eventespresso / event-espresso-core

core/helpers/EEH_Qtip_Loader.helper.php

Indentation +278 added lines, -278 removed lines

@@ -16,282 +16,282 @@
 class EEH_Qtip_Loader extends EEH_Base
 {
 
-    /**
-     * @var LoaderInterface $loader
-     */
-    protected $loader;
-
-    /**
-     * @var EEH_Qtip_Loader
-     */
-    private static $_instance;
-
-    /**
-     * array of qtip config objects
-     * @var EE_Qtip_Config[]
-     */
-    private $_qtips = array();
-
-
-
-    /**
-     *@singleton method used to instantiate class object
-     *@access public
-     *@return EEH_Qtip_Loader instance
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated
-        if (! EEH_Qtip_Loader::$_instance instanceof EEH_Qtip_Loader) {
-            EEH_Qtip_Loader::$_instance = new EEH_Qtip_Loader();
-        }
-        return EEH_Qtip_Loader::$_instance;
-    }
-
-
-
-    /**
-     * private constructor to prevent direct creation
-     */
-    private function __construct()
-    {
-        // let's just make sure this is instantiated in the right place.
-        if (did_action('wp_print_styles') || did_action('admin_head')) {
-            EE_Error::doing_it_wrong(
-                'EEH_Qtip_Loader',
-                __(
-                    'This helper must be instantiated before or within a callback for the WordPress wp_enqueue_scripts hook action hook.',
-                    'event_espresso'
-                ),
-                '4.1'
-            );
-        }
-        $this->loader = LoaderFactory::getLoader();
-    }
-
-
-    /**
-     * Call this from wp_enqueue_scripts or admin_enqueue_scripts to setup and enqueue the qtip library
-     *
-     * @access public
-     * @return void
-     */
-    public function register_and_enqueue()
-    {
-        $qtips_js = !defined('SCRIPT_DEBUG')
-            ? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.js'
-            : EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.js';
-        $qtip_map = EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.map';
-        $qtip_css = !defined('SCRIPT_DEBUG')
-            ? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.css'
-            : EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.css';
-
-        wp_register_script('qtip-map', $qtip_map, array(), '3', true);
-        wp_register_script('qtip', $qtips_js, array('jquery'), '3.0.3', true);
-        wp_register_script(
-            'ee-qtip-helper',
-            EE_HELPERS_ASSETS . 'ee-qtip-helper.js',
-            array('qtip', JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-
-        wp_register_style('qtip-css', $qtip_css, array(), '2.2');
-
-        // k now let's see if there are any registered qtips.
-        // If there are, then we need to setup the localized script for ee-qtip-helper.js
-        // (and enqueue ee-qtip-helper.js of course!)
-        if (!empty($this->_qtips)) {
-            wp_enqueue_script('ee-qtip-helper');
-            wp_enqueue_style('qtip-css');
-            $qtips = array();
-            foreach ($this->_qtips as $qtip) {
-                $qts = $qtip->get_tips();
-                foreach ($qts as $qt) {
-                    if (! $qt instanceof EE_Qtip) {
-                        continue;
-                    }
-                    $qtips[] = array(
-                        'content_id' => $qt->content_id,
-                        'options' => $qt->options,
-                        'target' => $qt->target,
-                        );
-                }
-            }
-            if (!empty($qtips)) {
-                wp_localize_script('ee-qtip-helper', 'EE_QTIP_HELPER', array( 'qtips' => $qtips ));
-            }
-        } else {
-            // qtips has been requested without any registration (so assuming its just directly used in the admin).
-            wp_enqueue_script('qtip');
-            wp_enqueue_style('qtip-css');
-        }
-    }
-
-
-    /**
-     * This simply registers the given qtip config and:
-     * - adds it to the $_qtips property array.
-     * - sets up the content containers for all qtips in the config,
-     * - registers and enqueues the qtip scripts and styles.
-     *
-     * @access public
-     * @param array        $paths      Array of paths to check for the EE_Qtip class. If present we check these path(s)
-     *                                 first.  If not present (empty array), then it's assumed it's either in
-     *                                 core/libraries/qtips OR the file is already loaded.
-     * @param string|array $qtips      name of the Qtip class (full class name is expected and will be used for looking
-     *                                 for file, Qtip config classes must extend EE_Qtip_Config) [if this is an array,
-     *                                 then we loop through the array to instantiate and setup the qtips]
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function register($qtips, $paths = array())
-    {
-        // let's just make sure this is instantiated in the right place.
-        if (did_action('wp_enqueue_scripts') || did_action('admin_enqueue_scripts')) {
-            EE_Error::doing_it_wrong(
-                'EEH_Qtip_Loader->register()',
-                __(
-                    'EE_Qtip_Config objects must be registered before wp_enqueue_scripts is called.',
-                    'event_espresso'
-                ),
-                '4.1'
-            );
-        }
-
-        $qtips = (array) $qtips; // typecast to array
-        foreach ($qtips as $qtip) {
-            $this->_qtips[] = $this->_register($qtip, $paths);
-        }
-
-        // hook into appropriate footer
-        $footer_action = is_admin() ? 'admin_footer' : 'wp_footer';
-        add_action($footer_action, array($this, 'setup_qtip'), 10);
-
-        // make sure we "turn on" qtip js.
-        add_filter('FHEE_load_qtip', '__return_true');
-    }
-
-
-    /**
-     * private utility for registering and setting up qtip config objects
-     *
-     * @access private
-     * @param string $qtip  the short name of the class (will be used to generate the expected classname)
-     * @param array  $paths array of paths to check (or if empty we check core/libraries/qtips or assume its loaded)
-     * @return EE_Qtip_Config
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    private function _register($qtip, $paths)
-    {
-        // before doing anything we have to make sure that EE_Qtip_Config parent is required.
-        EE_Registry::instance()->load_lib('Qtip_Config', array(), true);
-        if (!empty($paths)) {
-            $paths = (array) $paths;
-            foreach ($paths as $path) {
-                $path .= $qtip . '.lib.php';
-                if (is_readable($path)) {
-                    require_once $path;
-                }
-            }
-        }
-
-        // does class exist at this point?  If it does then let's instantiate.  If it doesn't then let's continue with other paths.
-        if (! class_exists($qtip)) {
-            $path = EE_LIBRARIES . 'qtips/' . $qtip . '.lib.php';
-            if (! is_readable($path)) {
-                throw new DomainException(
-                    sprintf(
-                        __(
-                            'Unable to load the Qtip Config registered for this page (%s) because none of the file paths attempted are readable.  Please check the spelling of the paths you\'ve used in the registration',
-                            'event_espresso'
-                        ),
-                        $qtip
-                    )
-                );
-            }
-            require_once $path;
-        }
-
-        // now we attempt a class_exists one more time.
-        if (! class_exists($qtip)) {
-            throw new DomainException(
-                sprintf(
-                    __(
-                        'The Qtip_Config class being registered (%s) does not exist, please check the spelling.',
-                        'event_espresso'
-                    ),
-                    $qtip
-                )
-            );
-        }
-
-        // made it HERE?  FINALLY, let's get things setup.
-        $qtip_config = $this->loader->getShared($qtip);
-
-        // verify that $qtip is a valid object
-        if (! $qtip_config instanceof EE_Qtip_Config) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__(
-                        'The class given for the Qtip loader (%1$s) is not a child of the %2$sEE_Qtip_Config%3$s class. Please make sure you are extending EE_Qtip_Config.',
-                        'event_espresso'
-                    ),
-                    $qtip,
-                    '<strong>',
-                    '</strong>'
-                )
-            );
-        }
-
-        return $qtip_config;
-    }
-
-
-
-    /**
-     * This takes care of generating the qtip content containers.
-     * Output gets put in the appropriate page footer (depending on context (either admin_footer or wp_footer) )
-     *
-     * @return void
-     */
-    public function setup_qtip()
-    {
-        if (empty($this->_qtips)) {
-            return; // no qtips!
-        }
-
-        $content = array();
-
-        foreach ($this->_qtips as $qtip) {
-            $content[] = $this->_generate_content_container($qtip);
-        }
-
-        echo implode('<br />', $content);
-    }
-
-
-    /**
-     * Generates a content container from a given EE_Qtip_Config object.
-     *
-     * @param  EE_Qtip_Config $qtip
-     * @return string  (html content container for qtip);
-     */
-    private function _generate_content_container($qtip)
-    {
-        $qts = $qtip->get_tips();
-        $content = array();
-        foreach ($qts as $qt) {
-            if (! $qt instanceof EE_Qtip) {
-                continue;
-            }
-            $content[] = '<div class="ee-qtip-helper-content hidden" id="' . $qt->content_id . '">' . $qt->content . '</div>';
-        }
-
-        return implode('<br />', $content);
-    }
+	/**
+	 * @var LoaderInterface $loader
+	 */
+	protected $loader;
+
+	/**
+	 * @var EEH_Qtip_Loader
+	 */
+	private static $_instance;
+
+	/**
+	 * array of qtip config objects
+	 * @var EE_Qtip_Config[]
+	 */
+	private $_qtips = array();
+
+
+
+	/**
+	 *@singleton method used to instantiate class object
+	 *@access public
+	 *@return EEH_Qtip_Loader instance
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated
+		if (! EEH_Qtip_Loader::$_instance instanceof EEH_Qtip_Loader) {
+			EEH_Qtip_Loader::$_instance = new EEH_Qtip_Loader();
+		}
+		return EEH_Qtip_Loader::$_instance;
+	}
+
+
+
+	/**
+	 * private constructor to prevent direct creation
+	 */
+	private function __construct()
+	{
+		// let's just make sure this is instantiated in the right place.
+		if (did_action('wp_print_styles') || did_action('admin_head')) {
+			EE_Error::doing_it_wrong(
+				'EEH_Qtip_Loader',
+				__(
+					'This helper must be instantiated before or within a callback for the WordPress wp_enqueue_scripts hook action hook.',
+					'event_espresso'
+				),
+				'4.1'
+			);
+		}
+		$this->loader = LoaderFactory::getLoader();
+	}
+
+
+	/**
+	 * Call this from wp_enqueue_scripts or admin_enqueue_scripts to setup and enqueue the qtip library
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function register_and_enqueue()
+	{
+		$qtips_js = !defined('SCRIPT_DEBUG')
+			? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.js'
+			: EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.js';
+		$qtip_map = EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.map';
+		$qtip_css = !defined('SCRIPT_DEBUG')
+			? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.css'
+			: EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.css';
+
+		wp_register_script('qtip-map', $qtip_map, array(), '3', true);
+		wp_register_script('qtip', $qtips_js, array('jquery'), '3.0.3', true);
+		wp_register_script(
+			'ee-qtip-helper',
+			EE_HELPERS_ASSETS . 'ee-qtip-helper.js',
+			array('qtip', JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+
+		wp_register_style('qtip-css', $qtip_css, array(), '2.2');
+
+		// k now let's see if there are any registered qtips.
+		// If there are, then we need to setup the localized script for ee-qtip-helper.js
+		// (and enqueue ee-qtip-helper.js of course!)
+		if (!empty($this->_qtips)) {
+			wp_enqueue_script('ee-qtip-helper');
+			wp_enqueue_style('qtip-css');
+			$qtips = array();
+			foreach ($this->_qtips as $qtip) {
+				$qts = $qtip->get_tips();
+				foreach ($qts as $qt) {
+					if (! $qt instanceof EE_Qtip) {
+						continue;
+					}
+					$qtips[] = array(
+						'content_id' => $qt->content_id,
+						'options' => $qt->options,
+						'target' => $qt->target,
+						);
+				}
+			}
+			if (!empty($qtips)) {
+				wp_localize_script('ee-qtip-helper', 'EE_QTIP_HELPER', array( 'qtips' => $qtips ));
+			}
+		} else {
+			// qtips has been requested without any registration (so assuming its just directly used in the admin).
+			wp_enqueue_script('qtip');
+			wp_enqueue_style('qtip-css');
+		}
+	}
+
+
+	/**
+	 * This simply registers the given qtip config and:
+	 * - adds it to the $_qtips property array.
+	 * - sets up the content containers for all qtips in the config,
+	 * - registers and enqueues the qtip scripts and styles.
+	 *
+	 * @access public
+	 * @param array        $paths      Array of paths to check for the EE_Qtip class. If present we check these path(s)
+	 *                                 first.  If not present (empty array), then it's assumed it's either in
+	 *                                 core/libraries/qtips OR the file is already loaded.
+	 * @param string|array $qtips      name of the Qtip class (full class name is expected and will be used for looking
+	 *                                 for file, Qtip config classes must extend EE_Qtip_Config) [if this is an array,
+	 *                                 then we loop through the array to instantiate and setup the qtips]
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function register($qtips, $paths = array())
+	{
+		// let's just make sure this is instantiated in the right place.
+		if (did_action('wp_enqueue_scripts') || did_action('admin_enqueue_scripts')) {
+			EE_Error::doing_it_wrong(
+				'EEH_Qtip_Loader->register()',
+				__(
+					'EE_Qtip_Config objects must be registered before wp_enqueue_scripts is called.',
+					'event_espresso'
+				),
+				'4.1'
+			);
+		}
+
+		$qtips = (array) $qtips; // typecast to array
+		foreach ($qtips as $qtip) {
+			$this->_qtips[] = $this->_register($qtip, $paths);
+		}
+
+		// hook into appropriate footer
+		$footer_action = is_admin() ? 'admin_footer' : 'wp_footer';
+		add_action($footer_action, array($this, 'setup_qtip'), 10);
+
+		// make sure we "turn on" qtip js.
+		add_filter('FHEE_load_qtip', '__return_true');
+	}
+
+
+	/**
+	 * private utility for registering and setting up qtip config objects
+	 *
+	 * @access private
+	 * @param string $qtip  the short name of the class (will be used to generate the expected classname)
+	 * @param array  $paths array of paths to check (or if empty we check core/libraries/qtips or assume its loaded)
+	 * @return EE_Qtip_Config
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	private function _register($qtip, $paths)
+	{
+		// before doing anything we have to make sure that EE_Qtip_Config parent is required.
+		EE_Registry::instance()->load_lib('Qtip_Config', array(), true);
+		if (!empty($paths)) {
+			$paths = (array) $paths;
+			foreach ($paths as $path) {
+				$path .= $qtip . '.lib.php';
+				if (is_readable($path)) {
+					require_once $path;
+				}
+			}
+		}
+
+		// does class exist at this point?  If it does then let's instantiate.  If it doesn't then let's continue with other paths.
+		if (! class_exists($qtip)) {
+			$path = EE_LIBRARIES . 'qtips/' . $qtip . '.lib.php';
+			if (! is_readable($path)) {
+				throw new DomainException(
+					sprintf(
+						__(
+							'Unable to load the Qtip Config registered for this page (%s) because none of the file paths attempted are readable.  Please check the spelling of the paths you\'ve used in the registration',
+							'event_espresso'
+						),
+						$qtip
+					)
+				);
+			}
+			require_once $path;
+		}
+
+		// now we attempt a class_exists one more time.
+		if (! class_exists($qtip)) {
+			throw new DomainException(
+				sprintf(
+					__(
+						'The Qtip_Config class being registered (%s) does not exist, please check the spelling.',
+						'event_espresso'
+					),
+					$qtip
+				)
+			);
+		}
+
+		// made it HERE?  FINALLY, let's get things setup.
+		$qtip_config = $this->loader->getShared($qtip);
+
+		// verify that $qtip is a valid object
+		if (! $qtip_config instanceof EE_Qtip_Config) {
+			throw new DomainException(
+				sprintf(
+					esc_html__(
+						'The class given for the Qtip loader (%1$s) is not a child of the %2$sEE_Qtip_Config%3$s class. Please make sure you are extending EE_Qtip_Config.',
+						'event_espresso'
+					),
+					$qtip,
+					'<strong>',
+					'</strong>'
+				)
+			);
+		}
+
+		return $qtip_config;
+	}
+
+
+
+	/**
+	 * This takes care of generating the qtip content containers.
+	 * Output gets put in the appropriate page footer (depending on context (either admin_footer or wp_footer) )
+	 *
+	 * @return void
+	 */
+	public function setup_qtip()
+	{
+		if (empty($this->_qtips)) {
+			return; // no qtips!
+		}
+
+		$content = array();
+
+		foreach ($this->_qtips as $qtip) {
+			$content[] = $this->_generate_content_container($qtip);
+		}
+
+		echo implode('<br />', $content);
+	}
+
+
+	/**
+	 * Generates a content container from a given EE_Qtip_Config object.
+	 *
+	 * @param  EE_Qtip_Config $qtip
+	 * @return string  (html content container for qtip);
+	 */
+	private function _generate_content_container($qtip)
+	{
+		$qts = $qtip->get_tips();
+		$content = array();
+		foreach ($qts as $qt) {
+			if (! $qt instanceof EE_Qtip) {
+				continue;
+			}
+			$content[] = '<div class="ee-qtip-helper-content hidden" id="' . $qt->content_id . '">' . $qt->content . '</div>';
+		}
+
+		return implode('<br />', $content);
+	}
 }

Spacing +20 added lines, -20 removed lines

@@ -42,7 +42,7 @@ 
     public static function instance()
     {
         // check if class object is instantiated
-        if (! EEH_Qtip_Loader::$_instance instanceof EEH_Qtip_Loader) {
+        if ( ! EEH_Qtip_Loader::$_instance instanceof EEH_Qtip_Loader) {
             EEH_Qtip_Loader::$_instance = new EEH_Qtip_Loader();
         }
         return EEH_Qtip_Loader::$_instance;
@@ -78,19 +78,19 @@ 
      */
     public function register_and_enqueue()
     {
-        $qtips_js = !defined('SCRIPT_DEBUG')
+        $qtips_js = ! defined('SCRIPT_DEBUG')
             ? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.js'
-            : EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.js';
-        $qtip_map = EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.map';
-        $qtip_css = !defined('SCRIPT_DEBUG')
+            : EE_THIRD_PARTY_URL.'qtip/jquery.qtip.js';
+        $qtip_map = EE_THIRD_PARTY_URL.'qtip/jquery.qtip.min.map';
+        $qtip_css = ! defined('SCRIPT_DEBUG')
             ? EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.min.css'
-            : EE_THIRD_PARTY_URL . 'qtip/jquery.qtip.css';
+            : EE_THIRD_PARTY_URL.'qtip/jquery.qtip.css';
 
         wp_register_script('qtip-map', $qtip_map, array(), '3', true);
         wp_register_script('qtip', $qtips_js, array('jquery'), '3.0.3', true);
         wp_register_script(
             'ee-qtip-helper',
-            EE_HELPERS_ASSETS . 'ee-qtip-helper.js',
+            EE_HELPERS_ASSETS.'ee-qtip-helper.js',
             array('qtip', JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE),
             EVENT_ESPRESSO_VERSION,
             true
@@ -101,14 +101,14 @@ 
         // k now let's see if there are any registered qtips.
         // If there are, then we need to setup the localized script for ee-qtip-helper.js
         // (and enqueue ee-qtip-helper.js of course!)
-        if (!empty($this->_qtips)) {
+        if ( ! empty($this->_qtips)) {
             wp_enqueue_script('ee-qtip-helper');
             wp_enqueue_style('qtip-css');
             $qtips = array();
             foreach ($this->_qtips as $qtip) {
                 $qts = $qtip->get_tips();
                 foreach ($qts as $qt) {
-                    if (! $qt instanceof EE_Qtip) {
+                    if ( ! $qt instanceof EE_Qtip) {
                         continue;
                     }
                     $qtips[] = array(
@@ -118,8 +118,8 @@ 
                         );
                 }
             }
-            if (!empty($qtips)) {
-                wp_localize_script('ee-qtip-helper', 'EE_QTIP_HELPER', array( 'qtips' => $qtips ));
+            if ( ! empty($qtips)) {
+                wp_localize_script('ee-qtip-helper', 'EE_QTIP_HELPER', array('qtips' => $qtips));
             }
         } else {
             // qtips has been requested without any registration (so assuming its just directly used in the admin).
@@ -190,10 +190,10 @@ 
     {
         // before doing anything we have to make sure that EE_Qtip_Config parent is required.
         EE_Registry::instance()->load_lib('Qtip_Config', array(), true);
-        if (!empty($paths)) {
+        if ( ! empty($paths)) {
             $paths = (array) $paths;
             foreach ($paths as $path) {
-                $path .= $qtip . '.lib.php';
+                $path .= $qtip.'.lib.php';
                 if (is_readable($path)) {
                     require_once $path;
                 }
@@ -201,9 +201,9 @@ 
         }
 
         // does class exist at this point?  If it does then let's instantiate.  If it doesn't then let's continue with other paths.
-        if (! class_exists($qtip)) {
-            $path = EE_LIBRARIES . 'qtips/' . $qtip . '.lib.php';
-            if (! is_readable($path)) {
+        if ( ! class_exists($qtip)) {
+            $path = EE_LIBRARIES.'qtips/'.$qtip.'.lib.php';
+            if ( ! is_readable($path)) {
                 throw new DomainException(
                     sprintf(
                         __(
@@ -218,7 +218,7 @@ 
         }
 
         // now we attempt a class_exists one more time.
-        if (! class_exists($qtip)) {
+        if ( ! class_exists($qtip)) {
             throw new DomainException(
                 sprintf(
                     __(
@@ -234,7 +234,7 @@ 
         $qtip_config = $this->loader->getShared($qtip);
 
         // verify that $qtip is a valid object
-        if (! $qtip_config instanceof EE_Qtip_Config) {
+        if ( ! $qtip_config instanceof EE_Qtip_Config) {
             throw new DomainException(
                 sprintf(
                     esc_html__(
@@ -286,10 +286,10 @@ 
         $qts = $qtip->get_tips();
         $content = array();
         foreach ($qts as $qt) {
-            if (! $qt instanceof EE_Qtip) {
+            if ( ! $qt instanceof EE_Qtip) {
                 continue;
             }
-            $content[] = '<div class="ee-qtip-helper-content hidden" id="' . $qt->content_id . '">' . $qt->content . '</div>';
+            $content[] = '<div class="ee-qtip-helper-content hidden" id="'.$qt->content_id.'">'.$qt->content.'</div>';
         }
 
         return implode('<br />', $content);

core/helpers/EEH_Line_Item.helper.php

Spacing +38 added lines, -38 removed lines

@@ -138,7 +138,7 @@ 
      */
     public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
     {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+        if ( ! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -153,7 +153,7 @@ 
         // either increment the qty for an existing ticket
         $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
         // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
+        if ( ! $line_item instanceof EE_Line_Item) {
             $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
         }
         $total_line_item->recalculate_total_including_taxes();
@@ -214,7 +214,7 @@ 
      */
     public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty += $line_item->quantity();
             $line_item->set_quantity($qty);
             $line_item->set_total($line_item->unit_price() * $qty);
@@ -243,7 +243,7 @@ 
      */
     public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty = $line_item->quantity() - $qty;
             $qty = max($qty, 0);
             $line_item->set_quantity($qty);
@@ -272,7 +272,7 @@ 
      */
     public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $line_item->set_quantity($new_quantity);
             $line_item->set_total($line_item->unit_price() * $new_quantity);
             $line_item->save();
@@ -314,7 +314,7 @@ 
         // add $ticket to cart
         $line_item = EE_Line_Item::new_instance(array(
             'LIN_name'       => $ticket->name(),
-            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description().' '.$event : $event,
             'LIN_unit_price' => $ticket->price(),
             'LIN_quantity'   => $qty,
             'LIN_is_taxable' => $is_taxable,
@@ -464,7 +464,7 @@ 
                         'event_espresso'
                     ),
                     $ticket_line_item->name(),
-                    current_time(get_option('date_format') . ' ' . get_option('time_format'))
+                    current_time(get_option('date_format').' '.get_option('time_format'))
                 ),
                 'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
                 'LIN_quantity'   => $qty,
@@ -526,7 +526,7 @@ 
         );
         $cancellation_line_item = reset($cancellation_line_item);
         // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
+        if ( ! $cancellation_line_item instanceof EE_Line_Item) {
             return false;
         }
         if ($cancellation_line_item->quantity() > $qty) {
@@ -731,7 +731,7 @@ 
             'LIN_code'  => 'taxes',
             'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
             'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-            'LIN_order' => 1000,// this should always come last
+            'LIN_order' => 1000, // this should always come last
         ));
         $tax_line_item = apply_filters(
             'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
@@ -787,7 +787,7 @@ 
      */
     public static function get_event_code($event)
     {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+        return 'event-'.($event instanceof EE_Event ? $event->ID() : '0');
     }
 
 
@@ -836,7 +836,7 @@ 
     public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
     {
         $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
+        if ( ! $first_datetime instanceof EE_Datetime) {
             throw new EE_Error(
                 sprintf(
                     __('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
@@ -845,7 +845,7 @@ 
             );
         }
         $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
+        if ( ! $event instanceof EE_Event) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -857,7 +857,7 @@ 
             );
         }
         $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
+        if ( ! $events_sub_total instanceof EE_Line_Item) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -893,7 +893,7 @@ 
         $found = false;
         foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
             // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
+            if ( ! $event_line_item->OBJ_ID()) {
                 // let's use this! but first... set the event details
                 EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
                 $found = true;
@@ -905,7 +905,7 @@ 
                 break;
             }
         }
-        if (! $found) {
+        if ( ! $found) {
             // there is no event sub-total yet, so add it
             $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
             // create a new "event" subtotal below that
@@ -1022,7 +1022,7 @@ 
     public static function ensure_taxes_applied($total_line_item)
     {
         $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
+        if ( ! $taxes_subtotal->children()) {
             self::apply_taxes($total_line_item);
         }
         return $taxes_subtotal->total();
@@ -1089,7 +1089,7 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
 
         // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+        if ( ! empty($line_item_codes) && ! is_array($line_item_codes)) {
             // place single line_item_id in an array to appear as multiple line_item_ids
             $line_item_codes = array($line_item_codes);
         }
@@ -1196,7 +1196,7 @@ 
         if ($code_substring_for_whitelist !== null) {
             $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
         }
-        if (! $whitelisted && $line_item->is_line_item()) {
+        if ( ! $whitelisted && $line_item->is_line_item()) {
             $line_item->set_is_taxable($taxable);
         }
         foreach ($line_item->children() as $child_line_item) {
@@ -1558,7 +1558,7 @@ 
     public static function visualize(EE_Line_Item $line_item, $indentation = 0)
     {
         echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
+        if ( ! $indentation) {
             echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
         }
         for ($i = 0; $i < $indentation; $i++) {
@@ -1569,12 +1569,12 @@ 
             if ($line_item->is_percent()) {
                 $breakdown = "{$line_item->percent()}%";
             } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+                $breakdown = '$'."{$line_item->unit_price()} x {$line_item->quantity()}";
             }
         }
         echo $line_item->name();
         echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
+        echo '$'.(string) $line_item->total();
         if ($breakdown) {
             echo " ( {$breakdown} )";
         }
@@ -1662,8 +1662,8 @@ 
                         if ($line_item_id === 'taxable') {
                             continue;
                         }
-                        $taxable_total = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
+                        $taxable_total = $running_totals['taxable'][$line_item_id];
+                        $running_totals[$line_item_id] += ($taxable_total * $tax_percent_decimal);
                     }
                     break;
 
@@ -1671,7 +1671,7 @@ 
                     // ticket line items or ????
                     if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
                         // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
+                        if (isset($running_totals[$child_line_item->ID()])) {
                             // huh? that shouldn't happen.
                             $running_totals['total'] += $child_line_item->total();
                         } else {
@@ -1682,18 +1682,18 @@ 
                                 $taxable_amount = 0;
                             }
                             // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
-                                $quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ] = $quantity
+                            if (isset($billable_ticket_quantities[$child_line_item->OBJ_ID()])) {
+                                $quantity = $billable_ticket_quantities[$child_line_item->OBJ_ID()];
+                                $running_totals[$child_line_item->ID()] = $quantity
                                     ? $child_line_item->unit_price()
                                     : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+                                $running_totals['taxable'][$child_line_item->ID()] = $quantity
                                     ? $taxable_amount
                                     : 0;
                             } else {
                                 $quantity = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+                                $running_totals[$child_line_item->ID()] = $child_line_item->unit_price();
+                                $running_totals['taxable'][$child_line_item->ID()] = $taxable_amount;
                             }
                             $running_totals['taxable']['total'] += $taxable_amount * $quantity;
                             $running_totals['total'] += $child_line_item->unit_price() * $quantity;
@@ -1713,12 +1713,12 @@ 
                             }
                             // update the running totals
                             // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] =
+                            $running_totals[$line_item_id] =
                                 $line_items_percent_of_running_total * $this_running_total;
 
                             if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
-                                    $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
+                                $running_totals['taxable'][$line_item_id] =
+                                    $line_items_percent_of_running_total * $running_totals['taxable'][$line_item_id];
                             }
                         }
                     }
@@ -1745,14 +1745,14 @@ 
         EE_Line_Item $ticket_line_item
     ) {
         static $final_prices_per_ticket_line_item = array();
-        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[$total_line_item->ID()])) {
+            $final_prices_per_ticket_line_item[$total_line_item->ID()] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
                 $total_line_item
             );
         }
         // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+        if (isset($final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()])) {
+            return $final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()];
         }
         $message = sprintf(
             esc_html__(
@@ -1762,7 +1762,7 @@ 
             $ticket_line_item->ID()
         );
         if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+            $message .= '<br>'.print_r($final_prices_per_ticket_line_item, true);
             throw new OutOfRangeException($message);
         }
         EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);

Indentation +2055 added lines, -2055 removed lines

@@ -21,2059 +21,2059 @@
 class EEH_Line_Item
 {
 
-    /**
-     * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
-     * Does NOT automatically re-calculate the line item totals or update the related transaction.
-     * You should call recalculate_total_including_taxes() on the grant total line item after this
-     * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $unit_price
-     * @param string       $description
-     * @param int          $quantity
-     * @param boolean      $taxable
-     * @param boolean      $code if set to a value, ensures there is only one line item with that code
-     * @return boolean success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_unrelated_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $unit_price,
-        $description = '',
-        $quantity = 1,
-        $taxable = false,
-        $code = null
-    ) {
-        $items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $name,
-            'LIN_desc'       => $description,
-            'LIN_unit_price' => $unit_price,
-            'LIN_quantity'   => $quantity,
-            'LIN_percent'    => null,
-            'LIN_is_taxable' => $taxable,
-            'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
-            'LIN_total'      => (float) $unit_price * (int) $quantity,
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'LIN_code'       => $code,
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
-            $line_item,
-            $parent_line_item
-        );
-        return self::add_item($parent_line_item, $line_item);
-    }
-
-
-    /**
-     * Adds a simple item ( unrelated to any other model object) to the total line item,
-     * in the correct spot in the line item tree. Does not automatically
-     * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
-     * registrations' final prices (which should probably change because of this).
-     * You should call recalculate_total_including_taxes() on the grand total line item, then
-     * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $percentage_amount
-     * @param string       $description
-     * @param boolean      $taxable
-     * @return boolean success
-     * @throws EE_Error
-     */
-    public static function add_percentage_based_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $percentage_amount,
-        $description = '',
-        $taxable = false
-    ) {
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $name,
-            'LIN_desc'       => $description,
-            'LIN_unit_price' => 0,
-            'LIN_percent'    => $percentage_amount,
-            'LIN_quantity'   => 1,
-            'LIN_is_taxable' => $taxable,
-            'LIN_total'      => (float) ($percentage_amount * ($parent_line_item->total() / 100)),
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'LIN_parent'     => $parent_line_item->ID(),
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
-            $line_item
-        );
-        return $parent_line_item->add_child_line_item($line_item, false);
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     * ensures that ticket line item is saved, and that cart total has been recalculated.
-     * If this ticket has already been purchased, just increments its count.
-     * Automatically re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $total_line_item->ID()
-                )
-            );
-        }
-        // either increment the qty for an existing ticket
-        $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
-        // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
-            $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $line_item;
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_ticket_qty_if_already_in_cart(
-        EE_Line_Item $total_line_item,
-        EE_Ticket $ticket,
-        $qty = 1
-    ) {
-        $line_item = null;
-        if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
-            $ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
-            foreach ((array) $ticket_line_items as $ticket_line_item) {
-                if (
-                    $ticket_line_item instanceof EE_Line_Item
-                    && (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
-                ) {
-                    $line_item = $ticket_line_item;
-                    break;
-                }
-            }
-        }
-        if ($line_item instanceof EE_Line_Item) {
-            EEH_Line_Item::increment_quantity($line_item, $qty);
-            return $line_item;
-        }
-        return null;
-    }
-
-
-    /**
-     * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty += $line_item->quantity();
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty = $line_item->quantity() - $qty;
-            $qty = max($qty, 0);
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Updates the line item and its children's quantities to the specified number.
-     * Does NOT save them or recalculate totals.
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $new_quantity
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
-    {
-        if (! $line_item->is_percent()) {
-            $line_item->set_quantity($new_quantity);
-            $line_item->set_total($line_item->unit_price() * $new_quantity);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $new_quantity);
-            }
-        }
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        $datetimes = $ticket->datetimes();
-        $first_datetime = reset($datetimes);
-        $first_datetime_name = esc_html__('Event', 'event_espresso');
-        if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
-            $first_datetime_name = $first_datetime->event()->name();
-        }
-        $event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
-        // get event subtotal line
-        $events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
-        $taxes = $ticket->tax_price_modifiers();
-        $is_taxable = empty($taxes) ? $ticket->taxable() : false;
-        // add $ticket to cart
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $ticket->name(),
-            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
-            'LIN_unit_price' => $ticket->price(),
-            'LIN_quantity'   => $qty,
-            'LIN_is_taxable' => $is_taxable,
-            'LIN_order'      => count($events_sub_total->children()),
-            'LIN_total'      => $ticket->price() * $qty,
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'OBJ_ID'         => $ticket->ID(),
-            'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
-            $line_item
-        );
-        $events_sub_total->add_child_line_item($line_item);
-        // now add the sub-line items
-        $running_total_for_ticket = 0;
-        foreach ($ticket->prices(array('order_by' => array('PRC_order' => 'ASC'))) as $price) {
-            $sign = $price->is_discount() ? -1 : 1;
-            $price_total = $price->is_percent()
-                ? $running_total_for_ticket * $price->amount() / 100
-                : $price->amount() * $qty;
-            $sub_line_item = EE_Line_Item::new_instance(array(
-                'LIN_name'       => $price->name(),
-                'LIN_desc'       => $price->desc(),
-                'LIN_quantity'   => $price->is_percent() ? null : $qty,
-                'LIN_is_taxable' => false,
-                'LIN_order'      => $price->order(),
-                'LIN_total'      => $sign * $price_total,
-                'LIN_type'       => EEM_Line_Item::type_sub_line_item,
-                'OBJ_ID'         => $price->ID(),
-                'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-            ));
-            $sub_line_item = apply_filters(
-                'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
-                $sub_line_item
-            );
-            if ($price->is_percent()) {
-                $sub_line_item->set_percent($sign * $price->amount());
-            } else {
-                $sub_line_item->set_unit_price($sign * $price->amount());
-            }
-            $running_total_for_ticket += $price_total;
-            $line_item->add_child_line_item($sub_line_item);
-        }
-        return $line_item;
-    }
-
-
-    /**
-     * Adds the specified item under the pre-tax-sub-total line item. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $item to be added
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
-    {
-        $pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
-        if ($pre_tax_subtotal instanceof EE_Line_Item) {
-            $success = $pre_tax_subtotal->add_child_line_item($item);
-        } else {
-            return false;
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $success;
-    }
-
-
-    /**
-     * cancels an existing ticket line item,
-     * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        if ($ticket_line_item->quantity() < $qty) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $ticket_line_item->quantity()
-                )
-            );
-        }
-        // decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
-        foreach ($ticket_line_item->children() as $child_line_item) {
-            if (
-                $child_line_item->is_sub_line_item()
-                && ! $child_line_item->is_percent()
-                && ! $child_line_item->is_cancellation()
-            ) {
-                $child_line_item->set_quantity($child_line_item->quantity() - $qty);
-            }
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if ($cancellation_line_item instanceof EE_Line_Item) {
-            // increment cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
-        } else {
-            // create cancellation sub line item
-            $cancellation_line_item = EE_Line_Item::new_instance(array(
-                'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
-                'LIN_desc'       => sprintf(
-                    esc_html_x(
-                        'Cancelled %1$s : %2$s',
-                        'Cancelled Ticket Name : 2015-01-01 11:11',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->name(),
-                    current_time(get_option('date_format') . ' ' . get_option('time_format'))
-                ),
-                'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
-                'LIN_quantity'   => $qty,
-                'LIN_is_taxable' => $ticket_line_item->is_taxable(),
-                'LIN_order'      => count($ticket_line_item->children()),
-                'LIN_total'      => 0, // $ticket_line_item->unit_price()
-                'LIN_type'       => EEM_Line_Item::type_cancellation,
-            ));
-            $ticket_line_item->add_child_line_item($cancellation_line_item);
-        }
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // decrement parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() - $qty);
-                $event_line_item->save();
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * reinstates (un-cancels?) a previously canceled ticket line item,
-     * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
-            return false;
-        }
-        if ($cancellation_line_item->quantity() > $qty) {
-            // decrement cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-        } elseif ($cancellation_line_item->quantity() === $qty) {
-            // decrement cancelled quantity in case anyone still has the object kicking around
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-            // delete because quantity will end up as 0
-            $cancellation_line_item->delete();
-            // and attempt to destroy the object,
-            // even though PHP won't actually destroy it until it needs the memory
-            unset($cancellation_line_item);
-        } else {
-            // what ?!?! negative quantity ?!?!
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $cancellation_line_item->quantity()
-                )
-            );
-        }
-        // increment ticket quantity
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // increment parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() + $qty);
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
-     * then EE_Line_Item::recalculate_total_including_taxes() on the result
-     *
-     * @param EE_Line_Item $line_item
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
-    {
-        $grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
-        return $grand_total_line_item->recalculate_total_including_taxes();
-    }
-
-
-    /**
-     * Gets the line item which contains the subtotal of all the items
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
-    {
-        $pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
-        return $pre_tax_subtotal instanceof EE_Line_Item
-            ? $pre_tax_subtotal
-            : self::create_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * Gets the line item for the taxes subtotal
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
-    {
-        $taxes = $total_line_item->get_child_line_item('taxes');
-        return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
-    }
-
-
-    /**
-     * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
-     *
-     * @param EE_Line_Item   $line_item
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
-    {
-        if ($transaction) {
-            /** @type EEM_Transaction $EEM_Transaction */
-            $EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
-            $TXN_ID = $EEM_Transaction->ensure_is_ID($transaction);
-            $line_item->set_TXN_ID($TXN_ID);
-        }
-    }
-
-
-    /**
-     * Creates a new default total line item for the transaction,
-     * and its tickets subtotal and taxes subtotal line items (and adds the
-     * existing taxes as children of the taxes subtotal line item)
-     *
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item of type total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_total_line_item($transaction = null)
-    {
-        $total_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => 'total',
-            'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
-            'LIN_type' => EEM_Line_Item::type_total,
-            'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
-        ));
-        $total_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
-            $total_line_item
-        );
-        self::set_TXN_ID($total_line_item, $transaction);
-        self::create_pre_tax_subtotal($total_line_item, $transaction);
-        self::create_taxes_subtotal($total_line_item, $transaction);
-        return $total_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $pre_tax_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => 'pre-tax-subtotal',
-            'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
-            'LIN_type' => EEM_Line_Item::type_sub_total,
-        ));
-        $pre_tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
-            $pre_tax_line_item
-        );
-        self::set_TXN_ID($pre_tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($pre_tax_line_item);
-        self::create_event_subtotal($pre_tax_line_item, $transaction);
-        return $pre_tax_line_item;
-    }
-
-
-    /**
-     * Creates a line item for the taxes subtotal and finds all the tax prices
-     * and applies taxes to it
-     *
-     * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $tax_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code'  => 'taxes',
-            'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
-            'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-            'LIN_order' => 1000,// this should always come last
-        ));
-        $tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
-            $tax_line_item
-        );
-        self::set_TXN_ID($tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($tax_line_item);
-        // and lastly, add the actual taxes
-        self::apply_taxes($total_line_item);
-        return $tax_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $pre_tax_line_item
-     * @param EE_Transaction $transaction
-     * @param EE_Event       $event
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
-    {
-        $event_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => self::get_event_code($event),
-            'LIN_name' => self::get_event_name($event),
-            'LIN_desc' => self::get_event_desc($event),
-            'LIN_type' => EEM_Line_Item::type_sub_total,
-            'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
-            'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
-        ));
-        $event_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
-            $event_line_item
-        );
-        self::set_TXN_ID($event_line_item, $transaction);
-        $pre_tax_line_item->add_child_line_item($event_line_item);
-        return $event_line_item;
-    }
-
-
-    /**
-     * Gets what the event ticket's code SHOULD be
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_code($event)
-    {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
-    }
-
-
-    /**
-     * Gets the event name
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_name($event)
-    {
-        return $event instanceof EE_Event
-            ? mb_substr($event->name(), 0, 245)
-            : esc_html__('Event', 'event_espresso');
-    }
-
-
-    /**
-     * Gets the event excerpt
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_desc($event)
-    {
-        return $event instanceof EE_Event ? $event->short_description() : '';
-    }
-
-
-    /**
-     * Given the grand total line item and a ticket, finds the event sub-total
-     * line item the ticket's purchase should be added onto
-     *
-     * @access public
-     * @param EE_Line_Item $grand_total the grand total line item
-     * @param EE_Ticket    $ticket
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
-    {
-        $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
-            throw new EE_Error(
-                sprintf(
-                    __('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
-                    $ticket->ID()
-                )
-            );
-        }
-        $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied ticket (ID %d) has no event data associated with it.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID()
-                )
-            );
-        }
-        $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'There is no events sub-total for ticket %s on total line item %d',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $grand_total->ID()
-                )
-            );
-        }
-        return $events_sub_total;
-    }
-
-
-    /**
-     * Gets the event line item
-     *
-     * @param EE_Line_Item $grand_total
-     * @param EE_Event     $event
-     * @return EE_Line_Item for the event subtotal which is a child of $grand_total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item(EE_Line_Item $grand_total, $event)
-    {
-        /** @type EE_Event $event */
-        $event = EEM_Event::instance()->ensure_is_obj($event, true);
-        $event_line_item = null;
-        $found = false;
-        foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
-            // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
-                // let's use this! but first... set the event details
-                EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-                $found = true;
-                break;
-            }
-            if ($event_line_item->OBJ_ID() === $event->ID()) {
-                // found existing line item for this event in the cart, so break out of loop and use this one
-                $found = true;
-                break;
-            }
-        }
-        if (! $found) {
-            // there is no event sub-total yet, so add it
-            $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
-            // create a new "event" subtotal below that
-            $event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
-            // and set the event details
-            EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-        }
-        return $event_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $event_line_item
-     * @param EE_Event       $event
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_event_subtotal_details(
-        EE_Line_Item $event_line_item,
-        EE_Event $event,
-        $transaction = null
-    ) {
-        if ($event instanceof EE_Event) {
-            $event_line_item->set_code(self::get_event_code($event));
-            $event_line_item->set_name(self::get_event_name($event));
-            $event_line_item->set_desc(self::get_event_desc($event));
-            $event_line_item->set_OBJ_ID($event->ID());
-        }
-        self::set_TXN_ID($event_line_item, $transaction);
-    }
-
-
-    /**
-     * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
-     * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
-     * any old taxes are removed
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param bool         $update_txn_status
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
-    {
-        /** @type EEM_Price $EEM_Price */
-        $EEM_Price = EE_Registry::instance()->load_model('Price');
-        // get array of taxes via Price Model
-        $ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
-        ksort($ordered_taxes);
-        $taxes_line_item = self::get_taxes_subtotal($total_line_item);
-        // just to be safe, remove its old tax line items
-        $deleted = $taxes_line_item->delete_children_line_items();
-        $updates = false;
-        // loop thru taxes
-        foreach ($ordered_taxes as $order => $taxes) {
-            foreach ($taxes as $tax) {
-                if ($tax instanceof EE_Price) {
-                    $tax_line_item = EE_Line_Item::new_instance(
-                        array(
-                            'LIN_name'       => $tax->name(),
-                            'LIN_desc'       => $tax->desc(),
-                            'LIN_percent'    => $tax->amount(),
-                            'LIN_is_taxable' => false,
-                            'LIN_order'      => $order,
-                            'LIN_total'      => 0,
-                            'LIN_type'       => EEM_Line_Item::type_tax,
-                            'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-                            'OBJ_ID'         => $tax->ID(),
-                        )
-                    );
-                    $tax_line_item = apply_filters(
-                        'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
-                        $tax_line_item
-                    );
-                    $updates = $taxes_line_item->add_child_line_item($tax_line_item) ?
-                        true :
-                        $updates;
-                }
-            }
-        }
-        // only recalculate totals if something changed
-        if ($deleted || $updates) {
-            $total_line_item->recalculate_total_including_taxes($update_txn_status);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * Ensures that taxes have been applied to the order, if not applies them.
-     * Returns the total amount of tax
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function ensure_taxes_applied($total_line_item)
-    {
-        $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
-            self::apply_taxes($total_line_item);
-        }
-        return $taxes_subtotal->total();
-    }
-
-
-    /**
-     * Deletes ALL children of the passed line item
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function delete_all_child_items(EE_Line_Item $parent_line_item)
-    {
-        $deleted = 0;
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                $deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
-                if ($child_line_item->ID()) {
-                    $child_line_item->delete();
-                    unset($child_line_item);
-                } else {
-                    $parent_line_item->delete_child_line_item($child_line_item->code());
-                }
-                $deleted++;
-            }
-        }
-        return $deleted;
-    }
-
-
-    /**
-     * Deletes the line items as indicated by the line item code(s) provided,
-     * regardless of where they're found in the line item tree. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
-     * @param array|bool|string $line_item_codes
-     * @return int number of items successfully removed
-     * @throws EE_Error
-     */
-    public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
-    {
-
-        if ($total_line_item->type() !== EEM_Line_Item::type_total) {
-            EE_Error::doing_it_wrong(
-                'EEH_Line_Item::delete_items',
-                esc_html__(
-                    'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
-                    'event_espresso'
-                ),
-                '4.6.18'
-            );
-        }
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-
-        // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
-            // place single line_item_id in an array to appear as multiple line_item_ids
-            $line_item_codes = array($line_item_codes);
-        }
-        $removals = 0;
-        // cycle thru line_item_ids
-        foreach ($line_item_codes as $line_item_id) {
-            $removals += $total_line_item->delete_child_line_item($line_item_id);
-        }
-
-        if ($removals > 0) {
-            $total_line_item->recalculate_taxes_and_tax_total();
-            return $removals;
-        } else {
-            return false;
-        }
-    }
-
-
-    /**
-     * Overwrites the previous tax by clearing out the old taxes, and creates a new
-     * tax and updates the total line item accordingly
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param float        $amount
-     * @param string       $name
-     * @param string       $description
-     * @param string       $code
-     * @param boolean      $add_to_existing_line_item
-     *                          if true, and a duplicate line item with the same code is found,
-     *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
-     * @return EE_Line_Item the new tax line item created
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_total_tax_to(
-        EE_Line_Item $total_line_item,
-        $amount,
-        $name = null,
-        $description = null,
-        $code = null,
-        $add_to_existing_line_item = false
-    ) {
-        $tax_subtotal = self::get_taxes_subtotal($total_line_item);
-        $taxable_total = $total_line_item->taxable_total();
-
-        if ($add_to_existing_line_item) {
-            $new_tax = $tax_subtotal->get_child_line_item($code);
-            EEM_Line_Item::instance()->delete(
-                array(array('LIN_code' => array('!=', $code), 'LIN_parent' => $tax_subtotal->ID()))
-            );
-        } else {
-            $new_tax = null;
-            $tax_subtotal->delete_children_line_items();
-        }
-        if ($new_tax) {
-            $new_tax->set_total($new_tax->total() + $amount);
-            $new_tax->set_percent($taxable_total ? $new_tax->total() / $taxable_total * 100 : 0);
-        } else {
-            // no existing tax item. Create it
-            $new_tax = EE_Line_Item::new_instance(array(
-                'TXN_ID'      => $total_line_item->TXN_ID(),
-                'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
-                'LIN_desc'    => $description ? $description : '',
-                'LIN_percent' => $taxable_total ? ($amount / $taxable_total * 100) : 0,
-                'LIN_total'   => $amount,
-                'LIN_parent'  => $tax_subtotal->ID(),
-                'LIN_type'    => EEM_Line_Item::type_tax,
-                'LIN_code'    => $code,
-            ));
-        }
-
-        $new_tax = apply_filters(
-            'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
-            $new_tax,
-            $total_line_item
-        );
-        $new_tax->save();
-        $tax_subtotal->set_total($new_tax->total());
-        $tax_subtotal->save();
-        $total_line_item->recalculate_total_including_taxes();
-        return $new_tax;
-    }
-
-
-    /**
-     * Makes all the line items which are children of $line_item taxable (or not).
-     * Does NOT save the line items
-     *
-     * @param EE_Line_Item $line_item
-     * @param boolean      $taxable
-     * @param string       $code_substring_for_whitelist if this string is part of the line item's code
-     *                                                   it will be whitelisted (ie, except from becoming taxable)
-     * @throws EE_Error
-     */
-    public static function set_line_items_taxable(
-        EE_Line_Item $line_item,
-        $taxable = true,
-        $code_substring_for_whitelist = null
-    ) {
-        $whitelisted = false;
-        if ($code_substring_for_whitelist !== null) {
-            $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
-        }
-        if (! $whitelisted && $line_item->is_line_item()) {
-            $line_item->set_is_taxable($taxable);
-        }
-        foreach ($line_item->children() as $child_line_item) {
-            EEH_Line_Item::set_line_items_taxable(
-                $child_line_item,
-                $taxable,
-                $code_substring_for_whitelist
-            );
-        }
-    }
-
-
-    /**
-     * Gets all descendants that are event subtotals
-     *
-     * @uses  EEH_Line_Item::get_subtotals_of_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_event_subtotals(EE_Line_Item $parent_line_item)
-    {
-        return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_sub_total,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all descendants that are tickets
-     *
-     * @uses  EEH_Line_Item::get_line_items_of_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
-    {
-        return self::get_line_items_of_object_type(
-            $parent_line_item,
-            EEM_Line_Item::OBJ_TYPE_TICKET
-        );
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
-     *
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_tax_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_tax
-        );
-    }
-
-
-    /**
-     * Gets all the real items purchased which are children of this item
-     *
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $line_item_type   one of the EEM_Line_Item constants
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            $line_item_type,
-            null
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
-     * @param string        $line_item_type   one of the EEM_Line_Item constants
-     * @param string | NULL $obj_type         object model class name (minus prefix) or NULL to ignore object type when
-     *                                        searching
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    protected static function _get_descendants_by_type_and_object_type(
-        EE_Line_Item $parent_line_item,
-        $line_item_type,
-        $obj_type = null
-    ) {
-        $objects = array();
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->type() === $line_item_type
-                    && (
-                        $child_line_item->OBJ_type() === $obj_type || $obj_type === null
-                    )
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_type_and_object_type(
-                            $child_line_item,
-                            $line_item_type,
-                            $obj_type
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_items_by_object_type_and_IDs(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type = '',
-        $OBJ_IDs = array()
-    ) {
-        return self::_get_descendants_by_object_type_and_object_ID(
-            $parent_line_item,
-            $OBJ_type,
-            $OBJ_IDs
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    protected static function _get_descendants_by_object_type_and_object_ID(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type,
-        $OBJ_IDs
-    ) {
-        $objects = array();
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->OBJ_type() === $OBJ_type
-                    && is_array($OBJ_IDs)
-                    && in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_object_type_and_object_ID(
-                            $child_line_item,
-                            $OBJ_type,
-                            $OBJ_IDs
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant of
-     * the specified type and returns it, else NULL
-     *
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $type             like one of the EEM_Line_Item::type_*
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $code             any value used for LIN_code
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $search_field     name of EE_Line_Item property
-     * @param string       $value            any value stored in $search_field
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
-    {
-        foreach ($parent_line_item->children() as $child) {
-            if ($child->get($search_field) == $value) {
-                return $child;
-            }
-        }
-        foreach ($parent_line_item->children() as $child) {
-            $descendant_found = self::_get_nearest_descendant(
-                $child,
-                $search_field,
-                $value
-            );
-            if ($descendant_found) {
-                return $descendant_found;
-            }
-        }
-        return null;
-    }
-
-
-    /**
-     * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
-     * else recursively walks up the line item tree until a parent of type total is found,
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     */
-    public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
-    {
-        if ($line_item->TXN_ID()) {
-            $total_line_item = $line_item->transaction()->total_line_item(false);
-            if ($total_line_item instanceof EE_Line_Item) {
-                return $total_line_item;
-            }
-        } else {
-            $line_item_parent = $line_item->parent();
-            if ($line_item_parent instanceof EE_Line_Item) {
-                if ($line_item_parent->is_total()) {
-                    return $line_item_parent;
-                }
-                return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__(
-                    'A valid grand total for line item %1$d was not found.',
-                    'event_espresso'
-                ),
-                $line_item->ID()
-            )
-        );
-    }
-
-
-    /**
-     * Prints out a representation of the line item tree
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $indentation
-     * @return void
-     * @throws EE_Error
-     */
-    public static function visualize(EE_Line_Item $line_item, $indentation = 0)
-    {
-        echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
-            echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        }
-        for ($i = 0; $i < $indentation; $i++) {
-            echo '. ';
-        }
-        $breakdown = '';
-        if ($line_item->is_line_item()) {
-            if ($line_item->is_percent()) {
-                $breakdown = "{$line_item->percent()}%";
-            } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
-            }
-        }
-        echo $line_item->name();
-        echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
-        if ($breakdown) {
-            echo " ( {$breakdown} )";
-        }
-        if ($line_item->is_taxable()) {
-            echo '  * taxable';
-        }
-        if ($line_item->children()) {
-            foreach ($line_item->children() as $child) {
-                self::visualize($child, $indentation + 1);
-            }
-        }
-    }
-
-
-    /**
-     * Calculates the registration's final price, taking into account that they
-     * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
-     * and receive a portion of any transaction-wide discounts.
-     * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
-     * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
-     * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
-     * and brent's final price should be $5.50.
-     * In order to do this, we basically need to traverse the line item tree calculating
-     * the running totals (just as if we were recalculating the total), but when we identify
-     * regular line items, we need to keep track of their share of the grand total.
-     * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
-     * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
-     * when there are non-taxable items; otherwise they would be the same)
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $billable_ticket_quantities  array of EE_Ticket IDs and their corresponding quantity that
-     *                                                  can be included in price calculations at this moment
-     * @return array        keys are line items for tickets IDs and values are their share of the running total,
-     *                                                  plus the key 'total', and 'taxable' which also has keys of all
-     *                                                  the ticket IDs.
-     *                                                  Eg array(
-     *                                                      12 => 4.3
-     *                                                      23 => 8.0
-     *                                                      'total' => 16.6,
-     *                                                      'taxable' => array(
-     *                                                          12 => 10,
-     *                                                          23 => 4
-     *                                                      ).
-     *                                                  So to find which registrations have which final price, we need
-     *                                                  to find which line item is theirs, which can be done with
-     *                                                  `EEM_Line_Item::instance()->get_line_item_for_registration(
-     *                                                  $registration );`
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function calculate_reg_final_prices_per_line_item(
-        EE_Line_Item $line_item,
-        $billable_ticket_quantities = array()
-    ) {
-        $running_totals = [
-            'total'   => 0,
-            'taxable' => ['total' => 0]
-        ];
-        foreach ($line_item->children() as $child_line_item) {
-            switch ($child_line_item->type()) {
-                case EEM_Line_Item::type_sub_total:
-                    $running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                        $child_line_item,
-                        $billable_ticket_quantities
-                    );
-                    // combine arrays but preserve numeric keys
-                    $running_totals = array_replace_recursive($running_totals_from_subtotal, $running_totals);
-                    $running_totals['total'] += $running_totals_from_subtotal['total'];
-                    $running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
-                    break;
-
-                case EEM_Line_Item::type_tax_sub_total:
-                    // find how much the taxes percentage is
-                    if ($child_line_item->percent() !== 0) {
-                        $tax_percent_decimal = $child_line_item->percent() / 100;
-                    } else {
-                        $tax_percent_decimal = EE_Taxes::get_total_taxes_percentage() / 100;
-                    }
-                    // and apply to all the taxable totals, and add to the pretax totals
-                    foreach ($running_totals as $line_item_id => $this_running_total) {
-                        // "total" and "taxable" array key is an exception
-                        if ($line_item_id === 'taxable') {
-                            continue;
-                        }
-                        $taxable_total = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
-                    }
-                    break;
-
-                case EEM_Line_Item::type_line_item:
-                    // ticket line items or ????
-                    if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
-                        // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
-                            // huh? that shouldn't happen.
-                            $running_totals['total'] += $child_line_item->total();
-                        } else {
-                            // its not in our running totals yet. great.
-                            if ($child_line_item->is_taxable()) {
-                                $taxable_amount = $child_line_item->unit_price();
-                            } else {
-                                $taxable_amount = 0;
-                            }
-                            // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
-                                $quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ] = $quantity
-                                    ? $child_line_item->unit_price()
-                                    : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
-                                    ? $taxable_amount
-                                    : 0;
-                            } else {
-                                $quantity = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
-                            }
-                            $running_totals['taxable']['total'] += $taxable_amount * $quantity;
-                            $running_totals['total'] += $child_line_item->unit_price() * $quantity;
-                        }
-                    } else {
-                        // it's some other type of item added to the cart
-                        // it should affect the running totals
-                        // basically we want to convert it into a PERCENT modifier. Because
-                        // more clearly affect all registration's final price equally
-                        $line_items_percent_of_running_total = $running_totals['total'] > 0
-                            ? ($child_line_item->total() / $running_totals['total']) + 1
-                            : 1;
-                        foreach ($running_totals as $line_item_id => $this_running_total) {
-                            // the "taxable" array key is an exception
-                            if ($line_item_id === 'taxable') {
-                                continue;
-                            }
-                            // update the running totals
-                            // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] =
-                                $line_items_percent_of_running_total * $this_running_total;
-
-                            if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
-                                    $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
-                            }
-                        }
-                    }
-                    break;
-            }
-        }
-        return $running_totals;
-    }
-
-
-    /**
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $ticket_line_item
-     * @return float | null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws OutOfRangeException
-     * @throws ReflectionException
-     */
-    public static function calculate_final_price_for_ticket_line_item(
-        EE_Line_Item $total_line_item,
-        EE_Line_Item $ticket_line_item
-    ) {
-        static $final_prices_per_ticket_line_item = array();
-        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                $total_line_item
-            );
-        }
-        // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
-        }
-        $message = sprintf(
-            esc_html__(
-                'The final price for the ticket line item (ID:%1$d) could not be calculated.',
-                'event_espresso'
-            ),
-            $ticket_line_item->ID()
-        );
-        if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
-            throw new OutOfRangeException($message);
-        }
-        EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
-        return null;
-    }
-
-
-    /**
-     * Creates a duplicate of the line item tree, except only includes billable items
-     * and the portion of line items attributed to billable things
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
-    {
-        $copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
-        foreach ($line_item->children() as $child_li) {
-            $copy_li->add_child_line_item(
-                EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
-            );
-        }
-        // if this is the grand total line item, make sure the totals all add up
-        // (we could have duplicated this logic AS we copied the line items, but
-        // it seems DRYer this way)
-        if ($copy_li->type() === EEM_Line_Item::type_total) {
-            $copy_li->recalculate_total_including_taxes();
-        }
-        return $copy_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item from $line_item that factors in the
-     * number of billable registrations on $registrations.
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item(EE_Line_Item $line_item, $registrations)
-    {
-        $new_li_fields = $line_item->model_field_array();
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item &&
-            $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-        ) {
-            $count = 0;
-            foreach ($registrations as $registration) {
-                if (
-                    $line_item->OBJ_ID() === $registration->ticket_ID() &&
-                    in_array(
-                        $registration->status_ID(),
-                        EEM_Registration::reg_statuses_that_allow_payment(),
-                        true
-                    )
-                ) {
-                    $count++;
-                }
-            }
-            $new_li_fields['LIN_quantity'] = $count;
-        }
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Returns a modified line item tree where all the subtotals which have a total of 0
-     * are removed, and line items with a quantity of 0
-     *
-     * @param EE_Line_Item $line_item |null
-     * @return EE_Line_Item|null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_items(EE_Line_Item $line_item)
-    {
-        $copied_li = EEH_Line_Item::non_empty_line_item($line_item);
-        if ($copied_li === null) {
-            return null;
-        }
-        // if this is an event subtotal, we want to only include it if it
-        // has a non-zero total and at least one ticket line item child
-        $ticket_children = 0;
-        foreach ($line_item->children() as $child_li) {
-            $child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
-            if ($child_li_copy !== null) {
-                $copied_li->add_child_line_item($child_li_copy);
-                if (
-                    $child_li_copy->type() === EEM_Line_Item::type_line_item &&
-                    $child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-                ) {
-                    $ticket_children++;
-                }
-            }
-        }
-        // if this is an event subtotal with NO ticket children
-        // we basically want to ignore it
-        if (
-            $ticket_children === 0
-            && $line_item->type() === EEM_Line_Item::type_sub_total
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            && $line_item->total() === 0
-        ) {
-            return null;
-        }
-        return $copied_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item, but if it's a ticket line item
-     * with a total of 0, or a subtotal of 0, returns null instead
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_item(EE_Line_Item $line_item)
-    {
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            && $line_item->quantity() === 0
-        ) {
-            return null;
-        }
-        $new_li_fields = $line_item->model_field_array();
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Cycles through all of the ticket line items for the supplied total line item
-     * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @since 4.9.79.p
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
-    {
-        $ticket_line_items = self::get_ticket_line_items($total_line_item);
-        foreach ($ticket_line_items as $ticket_line_item) {
-            if (
-                $ticket_line_item instanceof EE_Line_Item
-                && $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            ) {
-                $ticket = $ticket_line_item->ticket();
-                if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
-                    $ticket_line_item->set_is_taxable($ticket->taxable());
-                    $ticket_line_item->save();
-                }
-            }
-        }
-    }
-
-
-
-    /**************************************** @DEPRECATED METHODS *************************************** */
-    /**
-     * @deprecated
-     * @param EE_Line_Item $total_line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_items_subtotal(EE_Line_Item $total_line_item)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::get_items_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::get_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::get_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_total_line_item($transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_total_line_item()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_total_line_item()'
-            ),
-            '4.6.0'
-        );
-        return self::create_total_line_item($transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_tickets_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_pre_tax_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_taxes_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_taxes_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_taxes_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_event_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_event_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_event_subtotal($total_line_item, $transaction);
-    }
+	/**
+	 * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
+	 * Does NOT automatically re-calculate the line item totals or update the related transaction.
+	 * You should call recalculate_total_including_taxes() on the grant total line item after this
+	 * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $unit_price
+	 * @param string       $description
+	 * @param int          $quantity
+	 * @param boolean      $taxable
+	 * @param boolean      $code if set to a value, ensures there is only one line item with that code
+	 * @return boolean success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_unrelated_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$unit_price,
+		$description = '',
+		$quantity = 1,
+		$taxable = false,
+		$code = null
+	) {
+		$items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $name,
+			'LIN_desc'       => $description,
+			'LIN_unit_price' => $unit_price,
+			'LIN_quantity'   => $quantity,
+			'LIN_percent'    => null,
+			'LIN_is_taxable' => $taxable,
+			'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
+			'LIN_total'      => (float) $unit_price * (int) $quantity,
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'LIN_code'       => $code,
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
+			$line_item,
+			$parent_line_item
+		);
+		return self::add_item($parent_line_item, $line_item);
+	}
+
+
+	/**
+	 * Adds a simple item ( unrelated to any other model object) to the total line item,
+	 * in the correct spot in the line item tree. Does not automatically
+	 * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
+	 * registrations' final prices (which should probably change because of this).
+	 * You should call recalculate_total_including_taxes() on the grand total line item, then
+	 * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $percentage_amount
+	 * @param string       $description
+	 * @param boolean      $taxable
+	 * @return boolean success
+	 * @throws EE_Error
+	 */
+	public static function add_percentage_based_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$percentage_amount,
+		$description = '',
+		$taxable = false
+	) {
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $name,
+			'LIN_desc'       => $description,
+			'LIN_unit_price' => 0,
+			'LIN_percent'    => $percentage_amount,
+			'LIN_quantity'   => 1,
+			'LIN_is_taxable' => $taxable,
+			'LIN_total'      => (float) ($percentage_amount * ($parent_line_item->total() / 100)),
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'LIN_parent'     => $parent_line_item->ID(),
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
+			$line_item
+		);
+		return $parent_line_item->add_child_line_item($line_item, false);
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 * ensures that ticket line item is saved, and that cart total has been recalculated.
+	 * If this ticket has already been purchased, just increments its count.
+	 * Automatically re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$total_line_item->ID()
+				)
+			);
+		}
+		// either increment the qty for an existing ticket
+		$line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
+		// or add a new one
+		if (! $line_item instanceof EE_Line_Item) {
+			$line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $line_item;
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_ticket_qty_if_already_in_cart(
+		EE_Line_Item $total_line_item,
+		EE_Ticket $ticket,
+		$qty = 1
+	) {
+		$line_item = null;
+		if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
+			$ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
+			foreach ((array) $ticket_line_items as $ticket_line_item) {
+				if (
+					$ticket_line_item instanceof EE_Line_Item
+					&& (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
+				) {
+					$line_item = $ticket_line_item;
+					break;
+				}
+			}
+		}
+		if ($line_item instanceof EE_Line_Item) {
+			EEH_Line_Item::increment_quantity($line_item, $qty);
+			return $line_item;
+		}
+		return null;
+	}
+
+
+	/**
+	 * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty += $line_item->quantity();
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty = $line_item->quantity() - $qty;
+			$qty = max($qty, 0);
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Updates the line item and its children's quantities to the specified number.
+	 * Does NOT save them or recalculate totals.
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $new_quantity
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
+	{
+		if (! $line_item->is_percent()) {
+			$line_item->set_quantity($new_quantity);
+			$line_item->set_total($line_item->unit_price() * $new_quantity);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $new_quantity);
+			}
+		}
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		$datetimes = $ticket->datetimes();
+		$first_datetime = reset($datetimes);
+		$first_datetime_name = esc_html__('Event', 'event_espresso');
+		if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
+			$first_datetime_name = $first_datetime->event()->name();
+		}
+		$event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
+		// get event subtotal line
+		$events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
+		$taxes = $ticket->tax_price_modifiers();
+		$is_taxable = empty($taxes) ? $ticket->taxable() : false;
+		// add $ticket to cart
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $ticket->name(),
+			'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+			'LIN_unit_price' => $ticket->price(),
+			'LIN_quantity'   => $qty,
+			'LIN_is_taxable' => $is_taxable,
+			'LIN_order'      => count($events_sub_total->children()),
+			'LIN_total'      => $ticket->price() * $qty,
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'OBJ_ID'         => $ticket->ID(),
+			'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
+			$line_item
+		);
+		$events_sub_total->add_child_line_item($line_item);
+		// now add the sub-line items
+		$running_total_for_ticket = 0;
+		foreach ($ticket->prices(array('order_by' => array('PRC_order' => 'ASC'))) as $price) {
+			$sign = $price->is_discount() ? -1 : 1;
+			$price_total = $price->is_percent()
+				? $running_total_for_ticket * $price->amount() / 100
+				: $price->amount() * $qty;
+			$sub_line_item = EE_Line_Item::new_instance(array(
+				'LIN_name'       => $price->name(),
+				'LIN_desc'       => $price->desc(),
+				'LIN_quantity'   => $price->is_percent() ? null : $qty,
+				'LIN_is_taxable' => false,
+				'LIN_order'      => $price->order(),
+				'LIN_total'      => $sign * $price_total,
+				'LIN_type'       => EEM_Line_Item::type_sub_line_item,
+				'OBJ_ID'         => $price->ID(),
+				'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+			));
+			$sub_line_item = apply_filters(
+				'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
+				$sub_line_item
+			);
+			if ($price->is_percent()) {
+				$sub_line_item->set_percent($sign * $price->amount());
+			} else {
+				$sub_line_item->set_unit_price($sign * $price->amount());
+			}
+			$running_total_for_ticket += $price_total;
+			$line_item->add_child_line_item($sub_line_item);
+		}
+		return $line_item;
+	}
+
+
+	/**
+	 * Adds the specified item under the pre-tax-sub-total line item. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $item to be added
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
+	{
+		$pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
+		if ($pre_tax_subtotal instanceof EE_Line_Item) {
+			$success = $pre_tax_subtotal->add_child_line_item($item);
+		} else {
+			return false;
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $success;
+	}
+
+
+	/**
+	 * cancels an existing ticket line item,
+	 * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		if ($ticket_line_item->quantity() < $qty) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$ticket_line_item->quantity()
+				)
+			);
+		}
+		// decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
+		foreach ($ticket_line_item->children() as $child_line_item) {
+			if (
+				$child_line_item->is_sub_line_item()
+				&& ! $child_line_item->is_percent()
+				&& ! $child_line_item->is_cancellation()
+			) {
+				$child_line_item->set_quantity($child_line_item->quantity() - $qty);
+			}
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if ($cancellation_line_item instanceof EE_Line_Item) {
+			// increment cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
+		} else {
+			// create cancellation sub line item
+			$cancellation_line_item = EE_Line_Item::new_instance(array(
+				'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
+				'LIN_desc'       => sprintf(
+					esc_html_x(
+						'Cancelled %1$s : %2$s',
+						'Cancelled Ticket Name : 2015-01-01 11:11',
+						'event_espresso'
+					),
+					$ticket_line_item->name(),
+					current_time(get_option('date_format') . ' ' . get_option('time_format'))
+				),
+				'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
+				'LIN_quantity'   => $qty,
+				'LIN_is_taxable' => $ticket_line_item->is_taxable(),
+				'LIN_order'      => count($ticket_line_item->children()),
+				'LIN_total'      => 0, // $ticket_line_item->unit_price()
+				'LIN_type'       => EEM_Line_Item::type_cancellation,
+			));
+			$ticket_line_item->add_child_line_item($cancellation_line_item);
+		}
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// decrement parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() - $qty);
+				$event_line_item->save();
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * reinstates (un-cancels?) a previously canceled ticket line item,
+	 * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if (! $cancellation_line_item instanceof EE_Line_Item) {
+			return false;
+		}
+		if ($cancellation_line_item->quantity() > $qty) {
+			// decrement cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+		} elseif ($cancellation_line_item->quantity() === $qty) {
+			// decrement cancelled quantity in case anyone still has the object kicking around
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+			// delete because quantity will end up as 0
+			$cancellation_line_item->delete();
+			// and attempt to destroy the object,
+			// even though PHP won't actually destroy it until it needs the memory
+			unset($cancellation_line_item);
+		} else {
+			// what ?!?! negative quantity ?!?!
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$cancellation_line_item->quantity()
+				)
+			);
+		}
+		// increment ticket quantity
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// increment parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() + $qty);
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
+	 * then EE_Line_Item::recalculate_total_including_taxes() on the result
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
+	{
+		$grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
+		return $grand_total_line_item->recalculate_total_including_taxes();
+	}
+
+
+	/**
+	 * Gets the line item which contains the subtotal of all the items
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
+	{
+		$pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
+		return $pre_tax_subtotal instanceof EE_Line_Item
+			? $pre_tax_subtotal
+			: self::create_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * Gets the line item for the taxes subtotal
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
+	{
+		$taxes = $total_line_item->get_child_line_item('taxes');
+		return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
+	 *
+	 * @param EE_Line_Item   $line_item
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
+	{
+		if ($transaction) {
+			/** @type EEM_Transaction $EEM_Transaction */
+			$EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
+			$TXN_ID = $EEM_Transaction->ensure_is_ID($transaction);
+			$line_item->set_TXN_ID($TXN_ID);
+		}
+	}
+
+
+	/**
+	 * Creates a new default total line item for the transaction,
+	 * and its tickets subtotal and taxes subtotal line items (and adds the
+	 * existing taxes as children of the taxes subtotal line item)
+	 *
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item of type total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_total_line_item($transaction = null)
+	{
+		$total_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => 'total',
+			'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
+			'LIN_type' => EEM_Line_Item::type_total,
+			'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
+		));
+		$total_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
+			$total_line_item
+		);
+		self::set_TXN_ID($total_line_item, $transaction);
+		self::create_pre_tax_subtotal($total_line_item, $transaction);
+		self::create_taxes_subtotal($total_line_item, $transaction);
+		return $total_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$pre_tax_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => 'pre-tax-subtotal',
+			'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
+			'LIN_type' => EEM_Line_Item::type_sub_total,
+		));
+		$pre_tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
+			$pre_tax_line_item
+		);
+		self::set_TXN_ID($pre_tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($pre_tax_line_item);
+		self::create_event_subtotal($pre_tax_line_item, $transaction);
+		return $pre_tax_line_item;
+	}
+
+
+	/**
+	 * Creates a line item for the taxes subtotal and finds all the tax prices
+	 * and applies taxes to it
+	 *
+	 * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$tax_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code'  => 'taxes',
+			'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
+			'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
+			'LIN_order' => 1000,// this should always come last
+		));
+		$tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
+			$tax_line_item
+		);
+		self::set_TXN_ID($tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($tax_line_item);
+		// and lastly, add the actual taxes
+		self::apply_taxes($total_line_item);
+		return $tax_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $pre_tax_line_item
+	 * @param EE_Transaction $transaction
+	 * @param EE_Event       $event
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
+	{
+		$event_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => self::get_event_code($event),
+			'LIN_name' => self::get_event_name($event),
+			'LIN_desc' => self::get_event_desc($event),
+			'LIN_type' => EEM_Line_Item::type_sub_total,
+			'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
+			'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
+		));
+		$event_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
+			$event_line_item
+		);
+		self::set_TXN_ID($event_line_item, $transaction);
+		$pre_tax_line_item->add_child_line_item($event_line_item);
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Gets what the event ticket's code SHOULD be
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_code($event)
+	{
+		return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+	}
+
+
+	/**
+	 * Gets the event name
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_name($event)
+	{
+		return $event instanceof EE_Event
+			? mb_substr($event->name(), 0, 245)
+			: esc_html__('Event', 'event_espresso');
+	}
+
+
+	/**
+	 * Gets the event excerpt
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_desc($event)
+	{
+		return $event instanceof EE_Event ? $event->short_description() : '';
+	}
+
+
+	/**
+	 * Given the grand total line item and a ticket, finds the event sub-total
+	 * line item the ticket's purchase should be added onto
+	 *
+	 * @access public
+	 * @param EE_Line_Item $grand_total the grand total line item
+	 * @param EE_Ticket    $ticket
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
+	{
+		$first_datetime = $ticket->first_datetime();
+		if (! $first_datetime instanceof EE_Datetime) {
+			throw new EE_Error(
+				sprintf(
+					__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
+					$ticket->ID()
+				)
+			);
+		}
+		$event = $first_datetime->event();
+		if (! $event instanceof EE_Event) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied ticket (ID %d) has no event data associated with it.',
+						'event_espresso'
+					),
+					$ticket->ID()
+				)
+			);
+		}
+		$events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
+		if (! $events_sub_total instanceof EE_Line_Item) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'There is no events sub-total for ticket %s on total line item %d',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$grand_total->ID()
+				)
+			);
+		}
+		return $events_sub_total;
+	}
+
+
+	/**
+	 * Gets the event line item
+	 *
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Event     $event
+	 * @return EE_Line_Item for the event subtotal which is a child of $grand_total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item(EE_Line_Item $grand_total, $event)
+	{
+		/** @type EE_Event $event */
+		$event = EEM_Event::instance()->ensure_is_obj($event, true);
+		$event_line_item = null;
+		$found = false;
+		foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
+			// default event subtotal, we should only ever find this the first time this method is called
+			if (! $event_line_item->OBJ_ID()) {
+				// let's use this! but first... set the event details
+				EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+				$found = true;
+				break;
+			}
+			if ($event_line_item->OBJ_ID() === $event->ID()) {
+				// found existing line item for this event in the cart, so break out of loop and use this one
+				$found = true;
+				break;
+			}
+		}
+		if (! $found) {
+			// there is no event sub-total yet, so add it
+			$pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
+			// create a new "event" subtotal below that
+			$event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
+			// and set the event details
+			EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+		}
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $event_line_item
+	 * @param EE_Event       $event
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_event_subtotal_details(
+		EE_Line_Item $event_line_item,
+		EE_Event $event,
+		$transaction = null
+	) {
+		if ($event instanceof EE_Event) {
+			$event_line_item->set_code(self::get_event_code($event));
+			$event_line_item->set_name(self::get_event_name($event));
+			$event_line_item->set_desc(self::get_event_desc($event));
+			$event_line_item->set_OBJ_ID($event->ID());
+		}
+		self::set_TXN_ID($event_line_item, $transaction);
+	}
+
+
+	/**
+	 * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
+	 * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
+	 * any old taxes are removed
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param bool         $update_txn_status
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
+	{
+		/** @type EEM_Price $EEM_Price */
+		$EEM_Price = EE_Registry::instance()->load_model('Price');
+		// get array of taxes via Price Model
+		$ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
+		ksort($ordered_taxes);
+		$taxes_line_item = self::get_taxes_subtotal($total_line_item);
+		// just to be safe, remove its old tax line items
+		$deleted = $taxes_line_item->delete_children_line_items();
+		$updates = false;
+		// loop thru taxes
+		foreach ($ordered_taxes as $order => $taxes) {
+			foreach ($taxes as $tax) {
+				if ($tax instanceof EE_Price) {
+					$tax_line_item = EE_Line_Item::new_instance(
+						array(
+							'LIN_name'       => $tax->name(),
+							'LIN_desc'       => $tax->desc(),
+							'LIN_percent'    => $tax->amount(),
+							'LIN_is_taxable' => false,
+							'LIN_order'      => $order,
+							'LIN_total'      => 0,
+							'LIN_type'       => EEM_Line_Item::type_tax,
+							'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+							'OBJ_ID'         => $tax->ID(),
+						)
+					);
+					$tax_line_item = apply_filters(
+						'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
+						$tax_line_item
+					);
+					$updates = $taxes_line_item->add_child_line_item($tax_line_item) ?
+						true :
+						$updates;
+				}
+			}
+		}
+		// only recalculate totals if something changed
+		if ($deleted || $updates) {
+			$total_line_item->recalculate_total_including_taxes($update_txn_status);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Ensures that taxes have been applied to the order, if not applies them.
+	 * Returns the total amount of tax
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function ensure_taxes_applied($total_line_item)
+	{
+		$taxes_subtotal = self::get_taxes_subtotal($total_line_item);
+		if (! $taxes_subtotal->children()) {
+			self::apply_taxes($total_line_item);
+		}
+		return $taxes_subtotal->total();
+	}
+
+
+	/**
+	 * Deletes ALL children of the passed line item
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function delete_all_child_items(EE_Line_Item $parent_line_item)
+	{
+		$deleted = 0;
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				$deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
+				if ($child_line_item->ID()) {
+					$child_line_item->delete();
+					unset($child_line_item);
+				} else {
+					$parent_line_item->delete_child_line_item($child_line_item->code());
+				}
+				$deleted++;
+			}
+		}
+		return $deleted;
+	}
+
+
+	/**
+	 * Deletes the line items as indicated by the line item code(s) provided,
+	 * regardless of where they're found in the line item tree. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
+	 * @param array|bool|string $line_item_codes
+	 * @return int number of items successfully removed
+	 * @throws EE_Error
+	 */
+	public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
+	{
+
+		if ($total_line_item->type() !== EEM_Line_Item::type_total) {
+			EE_Error::doing_it_wrong(
+				'EEH_Line_Item::delete_items',
+				esc_html__(
+					'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
+					'event_espresso'
+				),
+				'4.6.18'
+			);
+		}
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+
+		// check if only a single line_item_id was passed
+		if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+			// place single line_item_id in an array to appear as multiple line_item_ids
+			$line_item_codes = array($line_item_codes);
+		}
+		$removals = 0;
+		// cycle thru line_item_ids
+		foreach ($line_item_codes as $line_item_id) {
+			$removals += $total_line_item->delete_child_line_item($line_item_id);
+		}
+
+		if ($removals > 0) {
+			$total_line_item->recalculate_taxes_and_tax_total();
+			return $removals;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Overwrites the previous tax by clearing out the old taxes, and creates a new
+	 * tax and updates the total line item accordingly
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param float        $amount
+	 * @param string       $name
+	 * @param string       $description
+	 * @param string       $code
+	 * @param boolean      $add_to_existing_line_item
+	 *                          if true, and a duplicate line item with the same code is found,
+	 *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
+	 * @return EE_Line_Item the new tax line item created
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_total_tax_to(
+		EE_Line_Item $total_line_item,
+		$amount,
+		$name = null,
+		$description = null,
+		$code = null,
+		$add_to_existing_line_item = false
+	) {
+		$tax_subtotal = self::get_taxes_subtotal($total_line_item);
+		$taxable_total = $total_line_item->taxable_total();
+
+		if ($add_to_existing_line_item) {
+			$new_tax = $tax_subtotal->get_child_line_item($code);
+			EEM_Line_Item::instance()->delete(
+				array(array('LIN_code' => array('!=', $code), 'LIN_parent' => $tax_subtotal->ID()))
+			);
+		} else {
+			$new_tax = null;
+			$tax_subtotal->delete_children_line_items();
+		}
+		if ($new_tax) {
+			$new_tax->set_total($new_tax->total() + $amount);
+			$new_tax->set_percent($taxable_total ? $new_tax->total() / $taxable_total * 100 : 0);
+		} else {
+			// no existing tax item. Create it
+			$new_tax = EE_Line_Item::new_instance(array(
+				'TXN_ID'      => $total_line_item->TXN_ID(),
+				'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
+				'LIN_desc'    => $description ? $description : '',
+				'LIN_percent' => $taxable_total ? ($amount / $taxable_total * 100) : 0,
+				'LIN_total'   => $amount,
+				'LIN_parent'  => $tax_subtotal->ID(),
+				'LIN_type'    => EEM_Line_Item::type_tax,
+				'LIN_code'    => $code,
+			));
+		}
+
+		$new_tax = apply_filters(
+			'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
+			$new_tax,
+			$total_line_item
+		);
+		$new_tax->save();
+		$tax_subtotal->set_total($new_tax->total());
+		$tax_subtotal->save();
+		$total_line_item->recalculate_total_including_taxes();
+		return $new_tax;
+	}
+
+
+	/**
+	 * Makes all the line items which are children of $line_item taxable (or not).
+	 * Does NOT save the line items
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param boolean      $taxable
+	 * @param string       $code_substring_for_whitelist if this string is part of the line item's code
+	 *                                                   it will be whitelisted (ie, except from becoming taxable)
+	 * @throws EE_Error
+	 */
+	public static function set_line_items_taxable(
+		EE_Line_Item $line_item,
+		$taxable = true,
+		$code_substring_for_whitelist = null
+	) {
+		$whitelisted = false;
+		if ($code_substring_for_whitelist !== null) {
+			$whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
+		}
+		if (! $whitelisted && $line_item->is_line_item()) {
+			$line_item->set_is_taxable($taxable);
+		}
+		foreach ($line_item->children() as $child_line_item) {
+			EEH_Line_Item::set_line_items_taxable(
+				$child_line_item,
+				$taxable,
+				$code_substring_for_whitelist
+			);
+		}
+	}
+
+
+	/**
+	 * Gets all descendants that are event subtotals
+	 *
+	 * @uses  EEH_Line_Item::get_subtotals_of_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_event_subtotals(EE_Line_Item $parent_line_item)
+	{
+		return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_sub_total,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all descendants that are tickets
+	 *
+	 * @uses  EEH_Line_Item::get_line_items_of_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
+	{
+		return self::get_line_items_of_object_type(
+			$parent_line_item,
+			EEM_Line_Item::OBJ_TYPE_TICKET
+		);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
+	 *
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_tax_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_tax
+		);
+	}
+
+
+	/**
+	 * Gets all the real items purchased which are children of this item
+	 *
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $line_item_type   one of the EEM_Line_Item constants
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			$line_item_type,
+			null
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
+	 * @param string        $line_item_type   one of the EEM_Line_Item constants
+	 * @param string | NULL $obj_type         object model class name (minus prefix) or NULL to ignore object type when
+	 *                                        searching
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	protected static function _get_descendants_by_type_and_object_type(
+		EE_Line_Item $parent_line_item,
+		$line_item_type,
+		$obj_type = null
+	) {
+		$objects = array();
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->type() === $line_item_type
+					&& (
+						$child_line_item->OBJ_type() === $obj_type || $obj_type === null
+					)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_type_and_object_type(
+							$child_line_item,
+							$line_item_type,
+							$obj_type
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_items_by_object_type_and_IDs(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type = '',
+		$OBJ_IDs = array()
+	) {
+		return self::_get_descendants_by_object_type_and_object_ID(
+			$parent_line_item,
+			$OBJ_type,
+			$OBJ_IDs
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	protected static function _get_descendants_by_object_type_and_object_ID(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type,
+		$OBJ_IDs
+	) {
+		$objects = array();
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->OBJ_type() === $OBJ_type
+					&& is_array($OBJ_IDs)
+					&& in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_object_type_and_object_ID(
+							$child_line_item,
+							$OBJ_type,
+							$OBJ_IDs
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant of
+	 * the specified type and returns it, else NULL
+	 *
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $type             like one of the EEM_Line_Item::type_*
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $code             any value used for LIN_code
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $search_field     name of EE_Line_Item property
+	 * @param string       $value            any value stored in $search_field
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
+	{
+		foreach ($parent_line_item->children() as $child) {
+			if ($child->get($search_field) == $value) {
+				return $child;
+			}
+		}
+		foreach ($parent_line_item->children() as $child) {
+			$descendant_found = self::_get_nearest_descendant(
+				$child,
+				$search_field,
+				$value
+			);
+			if ($descendant_found) {
+				return $descendant_found;
+			}
+		}
+		return null;
+	}
+
+
+	/**
+	 * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
+	 * else recursively walks up the line item tree until a parent of type total is found,
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 */
+	public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
+	{
+		if ($line_item->TXN_ID()) {
+			$total_line_item = $line_item->transaction()->total_line_item(false);
+			if ($total_line_item instanceof EE_Line_Item) {
+				return $total_line_item;
+			}
+		} else {
+			$line_item_parent = $line_item->parent();
+			if ($line_item_parent instanceof EE_Line_Item) {
+				if ($line_item_parent->is_total()) {
+					return $line_item_parent;
+				}
+				return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__(
+					'A valid grand total for line item %1$d was not found.',
+					'event_espresso'
+				),
+				$line_item->ID()
+			)
+		);
+	}
+
+
+	/**
+	 * Prints out a representation of the line item tree
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $indentation
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function visualize(EE_Line_Item $line_item, $indentation = 0)
+	{
+		echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		if (! $indentation) {
+			echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		}
+		for ($i = 0; $i < $indentation; $i++) {
+			echo '. ';
+		}
+		$breakdown = '';
+		if ($line_item->is_line_item()) {
+			if ($line_item->is_percent()) {
+				$breakdown = "{$line_item->percent()}%";
+			} else {
+				$breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+			}
+		}
+		echo $line_item->name();
+		echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
+		echo '$' . (string) $line_item->total();
+		if ($breakdown) {
+			echo " ( {$breakdown} )";
+		}
+		if ($line_item->is_taxable()) {
+			echo '  * taxable';
+		}
+		if ($line_item->children()) {
+			foreach ($line_item->children() as $child) {
+				self::visualize($child, $indentation + 1);
+			}
+		}
+	}
+
+
+	/**
+	 * Calculates the registration's final price, taking into account that they
+	 * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
+	 * and receive a portion of any transaction-wide discounts.
+	 * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
+	 * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
+	 * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
+	 * and brent's final price should be $5.50.
+	 * In order to do this, we basically need to traverse the line item tree calculating
+	 * the running totals (just as if we were recalculating the total), but when we identify
+	 * regular line items, we need to keep track of their share of the grand total.
+	 * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
+	 * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
+	 * when there are non-taxable items; otherwise they would be the same)
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $billable_ticket_quantities  array of EE_Ticket IDs and their corresponding quantity that
+	 *                                                  can be included in price calculations at this moment
+	 * @return array        keys are line items for tickets IDs and values are their share of the running total,
+	 *                                                  plus the key 'total', and 'taxable' which also has keys of all
+	 *                                                  the ticket IDs.
+	 *                                                  Eg array(
+	 *                                                      12 => 4.3
+	 *                                                      23 => 8.0
+	 *                                                      'total' => 16.6,
+	 *                                                      'taxable' => array(
+	 *                                                          12 => 10,
+	 *                                                          23 => 4
+	 *                                                      ).
+	 *                                                  So to find which registrations have which final price, we need
+	 *                                                  to find which line item is theirs, which can be done with
+	 *                                                  `EEM_Line_Item::instance()->get_line_item_for_registration(
+	 *                                                  $registration );`
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_reg_final_prices_per_line_item(
+		EE_Line_Item $line_item,
+		$billable_ticket_quantities = array()
+	) {
+		$running_totals = [
+			'total'   => 0,
+			'taxable' => ['total' => 0]
+		];
+		foreach ($line_item->children() as $child_line_item) {
+			switch ($child_line_item->type()) {
+				case EEM_Line_Item::type_sub_total:
+					$running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+						$child_line_item,
+						$billable_ticket_quantities
+					);
+					// combine arrays but preserve numeric keys
+					$running_totals = array_replace_recursive($running_totals_from_subtotal, $running_totals);
+					$running_totals['total'] += $running_totals_from_subtotal['total'];
+					$running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
+					break;
+
+				case EEM_Line_Item::type_tax_sub_total:
+					// find how much the taxes percentage is
+					if ($child_line_item->percent() !== 0) {
+						$tax_percent_decimal = $child_line_item->percent() / 100;
+					} else {
+						$tax_percent_decimal = EE_Taxes::get_total_taxes_percentage() / 100;
+					}
+					// and apply to all the taxable totals, and add to the pretax totals
+					foreach ($running_totals as $line_item_id => $this_running_total) {
+						// "total" and "taxable" array key is an exception
+						if ($line_item_id === 'taxable') {
+							continue;
+						}
+						$taxable_total = $running_totals['taxable'][ $line_item_id ];
+						$running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
+					}
+					break;
+
+				case EEM_Line_Item::type_line_item:
+					// ticket line items or ????
+					if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
+						// kk it's a ticket
+						if (isset($running_totals[ $child_line_item->ID() ])) {
+							// huh? that shouldn't happen.
+							$running_totals['total'] += $child_line_item->total();
+						} else {
+							// its not in our running totals yet. great.
+							if ($child_line_item->is_taxable()) {
+								$taxable_amount = $child_line_item->unit_price();
+							} else {
+								$taxable_amount = 0;
+							}
+							// are we only calculating totals for some tickets?
+							if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
+								$quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
+								$running_totals[ $child_line_item->ID() ] = $quantity
+									? $child_line_item->unit_price()
+									: 0;
+								$running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+									? $taxable_amount
+									: 0;
+							} else {
+								$quantity = $child_line_item->quantity();
+								$running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
+								$running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+							}
+							$running_totals['taxable']['total'] += $taxable_amount * $quantity;
+							$running_totals['total'] += $child_line_item->unit_price() * $quantity;
+						}
+					} else {
+						// it's some other type of item added to the cart
+						// it should affect the running totals
+						// basically we want to convert it into a PERCENT modifier. Because
+						// more clearly affect all registration's final price equally
+						$line_items_percent_of_running_total = $running_totals['total'] > 0
+							? ($child_line_item->total() / $running_totals['total']) + 1
+							: 1;
+						foreach ($running_totals as $line_item_id => $this_running_total) {
+							// the "taxable" array key is an exception
+							if ($line_item_id === 'taxable') {
+								continue;
+							}
+							// update the running totals
+							// yes this actually even works for the running grand total!
+							$running_totals[ $line_item_id ] =
+								$line_items_percent_of_running_total * $this_running_total;
+
+							if ($child_line_item->is_taxable()) {
+								$running_totals['taxable'][ $line_item_id ] =
+									$line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
+							}
+						}
+					}
+					break;
+			}
+		}
+		return $running_totals;
+	}
+
+
+	/**
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $ticket_line_item
+	 * @return float | null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws OutOfRangeException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_final_price_for_ticket_line_item(
+		EE_Line_Item $total_line_item,
+		EE_Line_Item $ticket_line_item
+	) {
+		static $final_prices_per_ticket_line_item = array();
+		if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
+			$final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+				$total_line_item
+			);
+		}
+		// ok now find this new registration's final price
+		if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
+			return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+		}
+		$message = sprintf(
+			esc_html__(
+				'The final price for the ticket line item (ID:%1$d) could not be calculated.',
+				'event_espresso'
+			),
+			$ticket_line_item->ID()
+		);
+		if (WP_DEBUG) {
+			$message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+			throw new OutOfRangeException($message);
+		}
+		EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
+		return null;
+	}
+
+
+	/**
+	 * Creates a duplicate of the line item tree, except only includes billable items
+	 * and the portion of line items attributed to billable things
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
+	{
+		$copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
+		foreach ($line_item->children() as $child_li) {
+			$copy_li->add_child_line_item(
+				EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
+			);
+		}
+		// if this is the grand total line item, make sure the totals all add up
+		// (we could have duplicated this logic AS we copied the line items, but
+		// it seems DRYer this way)
+		if ($copy_li->type() === EEM_Line_Item::type_total) {
+			$copy_li->recalculate_total_including_taxes();
+		}
+		return $copy_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item from $line_item that factors in the
+	 * number of billable registrations on $registrations.
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item(EE_Line_Item $line_item, $registrations)
+	{
+		$new_li_fields = $line_item->model_field_array();
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item &&
+			$line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+		) {
+			$count = 0;
+			foreach ($registrations as $registration) {
+				if (
+					$line_item->OBJ_ID() === $registration->ticket_ID() &&
+					in_array(
+						$registration->status_ID(),
+						EEM_Registration::reg_statuses_that_allow_payment(),
+						true
+					)
+				) {
+					$count++;
+				}
+			}
+			$new_li_fields['LIN_quantity'] = $count;
+		}
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Returns a modified line item tree where all the subtotals which have a total of 0
+	 * are removed, and line items with a quantity of 0
+	 *
+	 * @param EE_Line_Item $line_item |null
+	 * @return EE_Line_Item|null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_items(EE_Line_Item $line_item)
+	{
+		$copied_li = EEH_Line_Item::non_empty_line_item($line_item);
+		if ($copied_li === null) {
+			return null;
+		}
+		// if this is an event subtotal, we want to only include it if it
+		// has a non-zero total and at least one ticket line item child
+		$ticket_children = 0;
+		foreach ($line_item->children() as $child_li) {
+			$child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
+			if ($child_li_copy !== null) {
+				$copied_li->add_child_line_item($child_li_copy);
+				if (
+					$child_li_copy->type() === EEM_Line_Item::type_line_item &&
+					$child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+				) {
+					$ticket_children++;
+				}
+			}
+		}
+		// if this is an event subtotal with NO ticket children
+		// we basically want to ignore it
+		if (
+			$ticket_children === 0
+			&& $line_item->type() === EEM_Line_Item::type_sub_total
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			&& $line_item->total() === 0
+		) {
+			return null;
+		}
+		return $copied_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item, but if it's a ticket line item
+	 * with a total of 0, or a subtotal of 0, returns null instead
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_item(EE_Line_Item $line_item)
+	{
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			&& $line_item->quantity() === 0
+		) {
+			return null;
+		}
+		$new_li_fields = $line_item->model_field_array();
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Cycles through all of the ticket line items for the supplied total line item
+	 * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @since 4.9.79.p
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
+	{
+		$ticket_line_items = self::get_ticket_line_items($total_line_item);
+		foreach ($ticket_line_items as $ticket_line_item) {
+			if (
+				$ticket_line_item instanceof EE_Line_Item
+				&& $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			) {
+				$ticket = $ticket_line_item->ticket();
+				if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
+					$ticket_line_item->set_is_taxable($ticket->taxable());
+					$ticket_line_item->save();
+				}
+			}
+		}
+	}
+
+
+
+	/**************************************** @DEPRECATED METHODS *************************************** */
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item $total_line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_items_subtotal(EE_Line_Item $total_line_item)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::get_items_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::get_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::get_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_total_line_item($transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_total_line_item()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_total_line_item()'
+			),
+			'4.6.0'
+		);
+		return self::create_total_line_item($transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_tickets_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_pre_tax_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_taxes_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_taxes_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_taxes_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_event_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_event_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_event_subtotal($total_line_item, $transaction);
+	}
 }

core/db_classes/EE_Ticket.class.php

Spacing +11 added lines, -11 removed lines

@@ -144,7 +144,7 @@ 
     public function ticket_status($display = false, $remaining = null)
     {
         $remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
-        if (! $remaining) {
+        if ( ! $remaining) {
             return $display ? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence') : EE_Ticket::sold_out;
         }
         if ($this->get('TKT_deleted')) {
@@ -273,7 +273,7 @@ 
             ? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
             : '';
 
-        return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
+        return $first_date && $last_date ? $first_date.$conjunction.$last_date : '';
     }
 
 
@@ -303,7 +303,7 @@ 
      */
     public function datetimes($query_params = [])
     {
-        if (! isset($query_params['order_by'])) {
+        if ( ! isset($query_params['order_by'])) {
             $query_params['order_by']['DTT_order'] = 'ASC';
         }
         return $this->get_many_related('Datetime', $query_params);
@@ -350,7 +350,7 @@ 
                 if (empty($tickets_sold['datetime'])) {
                     return $total;
                 }
-                if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
+                if ( ! empty($dtt_id) && ! isset($tickets_sold['datetime'][$dtt_id])) {
                     EE_Error::add_error(
                         __(
                             'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
@@ -362,7 +362,7 @@ 
                     );
                     return $total;
                 }
-                return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
+                return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][$dtt_id];
                 break;
             default:
                 return $total;
@@ -381,9 +381,9 @@ 
     {
         $datetimes    = $this->get_many_related('Datetime');
         $tickets_sold = [];
-        if (! empty($datetimes)) {
+        if ( ! empty($datetimes)) {
             foreach ($datetimes as $datetime) {
-                $tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
+                $tickets_sold['datetime'][$datetime->ID()] = $datetime->get('DTT_sold');
             }
         }
         // Tickets sold
@@ -1011,7 +1011,7 @@ 
                 'TKT_qty',
                 $qty
             );
-            if (! $success) {
+            if ( ! $success) {
                 // The datetimes were successfully bumped, but not the
                 // ticket. So we need to manually rollback the datetimes.
                 $this->decreaseReservedForDatetimes($qty);
@@ -1508,7 +1508,7 @@ 
         foreach ($this->datetimes() as $datetime) {
             $times[] = $datetime->start_date_and_time();
         }
-        return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
+        return $this->name().' @ '.implode(', ', $times).' for '.$this->pretty_price();
     }
 
 
@@ -1616,7 +1616,7 @@ 
     {
         // get one datetime to use for getting the event
         $datetime = $this->first_datetime();
-        if (! $datetime instanceof EE_Datetime) {
+        if ( ! $datetime instanceof EE_Datetime) {
             throw new UnexpectedEntityException(
                 $datetime,
                 'EE_Datetime',
@@ -1627,7 +1627,7 @@ 
             );
         }
         $event = $datetime->event();
-        if (! $event instanceof EE_Event) {
+        if ( ! $event instanceof EE_Event) {
             throw new UnexpectedEntityException(
                 $event,
                 'EE_Event',

Indentation +1998 added lines, -1998 removed lines

@@ -14,2006 +14,2006 @@
 class EE_Ticket extends EE_Soft_Delete_Base_Class implements EEI_Line_Item_Object, EEI_Event_Relation, EEI_Has_Icon
 {
 
-    /**
-     * TicKet Sold out:
-     * constant used by ticket_status() to indicate that a ticket is sold out
-     * and no longer available for purchases
-     */
-    const sold_out = 'TKS';
-
-    /**
-     * TicKet Expired:
-     * constant used by ticket_status() to indicate that a ticket is expired
-     * and no longer available for purchase
-     */
-    const expired = 'TKE';
-
-    /**
-     * TicKet Archived:
-     * constant used by ticket_status() to indicate that a ticket is archived
-     * and no longer available for purchase
-     */
-    const archived = 'TKA';
-
-    /**
-     * TicKet Pending:
-     * constant used by ticket_status() to indicate that a ticket is pending
-     * and is NOT YET available for purchase
-     */
-    const pending = 'TKP';
-
-    /**
-     * TicKet On sale:
-     * constant used by ticket_status() to indicate that a ticket is On Sale
-     * and IS available for purchase
-     */
-    const onsale = 'TKO';
-
-    /**
-     * extra meta key for tracking ticket reservations
-     *
-     * @type string
-     */
-    const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
-
-    /**
-     * override of parent property
-     *
-     * @var EEM_Ticket
-     */
-    protected $_model;
-
-    /**
-     * cached result from method of the same name
-     *
-     * @var float $_ticket_total_with_taxes
-     */
-    private $_ticket_total_with_taxes;
-
-
-    /**
-     * @param array  $props_n_values          incoming values
-     * @param string $timezone                incoming timezone (if not set the timezone set for the website will be
-     *                                        used.)
-     * @param array  $date_formats            incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @return EE_Ticket
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
-    {
-        $has_object = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
-        return $has_object ? $has_object : new self($props_n_values, false, $timezone, $date_formats);
-    }
-
-
-    /**
-     * @param array  $props_n_values  incoming values from the database
-     * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Ticket
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function new_instance_from_db($props_n_values = [], $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function parent()
-    {
-        return $this->get('TKT_parent');
-    }
-
-
-    /**
-     * return if a ticket has quantities available for purchase
-     *
-     * @param int $DTT_ID the primary key for a particular datetime
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function available($DTT_ID = 0)
-    {
-        // are we checking availability for a particular datetime ?
-        if ($DTT_ID) {
-            // get that datetime object
-            $datetime = $this->get_first_related('Datetime', [['DTT_ID' => $DTT_ID]]);
-            // if  ticket sales for this datetime have exceeded the reg limit...
-            if ($datetime instanceof EE_Datetime && $datetime->sold_out()) {
-                return false;
-            }
-        }
-        // datetime is still open for registration, but is this ticket sold out ?
-        return $this->qty() < 1 || $this->qty() > $this->sold();
-    }
-
-
-    /**
-     * Using the start date and end date this method calculates whether the ticket is On Sale, Pending, or Expired
-     *
-     * @param bool        $display   true = we'll return a localized string, otherwise we just return the value of the
-     *                               relevant status const
-     * @param bool | null $remaining if it is already known that tickets are available, then simply pass a bool to save
-     *                               further processing
-     * @return mixed status int if the display string isn't requested
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ticket_status($display = false, $remaining = null)
-    {
-        $remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
-        if (! $remaining) {
-            return $display ? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence') : EE_Ticket::sold_out;
-        }
-        if ($this->get('TKT_deleted')) {
-            return $display ? EEH_Template::pretty_status(EE_Ticket::archived, false, 'sentence') : EE_Ticket::archived;
-        }
-        if ($this->is_expired()) {
-            return $display ? EEH_Template::pretty_status(EE_Ticket::expired, false, 'sentence') : EE_Ticket::expired;
-        }
-        if ($this->is_pending()) {
-            return $display ? EEH_Template::pretty_status(EE_Ticket::pending, false, 'sentence') : EE_Ticket::pending;
-        }
-        if ($this->is_on_sale()) {
-            return $display ? EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence') : EE_Ticket::onsale;
-        }
-        return '';
-    }
-
-
-    /**
-     * The purpose of this method is to simply return a boolean for whether there are any tickets remaining for sale
-     * considering ALL the factors used for figuring that out.
-     *
-     * @access public
-     * @param int $DTT_ID if an int above 0 is included here then we get a specific dtt.
-     * @return boolean         true = tickets remaining, false not.
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_remaining($DTT_ID = 0)
-    {
-        $num_remaining = $this->remaining($DTT_ID);
-        if ($num_remaining === 0) {
-            return false;
-        }
-        if ($num_remaining > 0 && $num_remaining < $this->min()) {
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * return the total number of tickets available for purchase
-     *
-     * @param int $DTT_ID  the primary key for a particular datetime.
-     *                     set to 0 for all related datetimes
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function remaining($DTT_ID = 0)
-    {
-        return $this->real_quantity_on_ticket('saleable', $DTT_ID);
-    }
-
-
-    /**
-     * Gets min
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function min()
-    {
-        return $this->get('TKT_min');
-    }
-
-
-    /**
-     * return if a ticket is no longer available cause its available dates have expired.
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_expired()
-    {
-        return ($this->get_raw('TKT_end_date') < time());
-    }
-
-
-    /**
-     * Return if a ticket is yet to go on sale or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_pending()
-    {
-        return ($this->get_raw('TKT_start_date') >= time());
-    }
-
-
-    /**
-     * Return if a ticket is on sale or not
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_on_sale()
-    {
-        return ($this->get_raw('TKT_start_date') <= time() && $this->get_raw('TKT_end_date') >= time());
-    }
-
-
-    /**
-     * This returns the chronologically last datetime that this ticket is associated with
-     *
-     * @param string $date_format
-     * @param string $conjunction - conjunction junction what's your function ? this string joins the start date with
-     *                            the end date ie: Jan 01 "to" Dec 31
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function date_range($date_format = '', $conjunction = ' - ')
-    {
-        $date_format = ! empty($date_format) ? $date_format : $this->_dt_frmt;
-        $first_date  = $this->first_datetime() instanceof EE_Datetime
-            ? $this->first_datetime()->get_i18n_datetime('DTT_EVT_start', $date_format)
-            : '';
-        $last_date   = $this->last_datetime() instanceof EE_Datetime
-            ? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
-            : '';
-
-        return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
-    }
-
-
-    /**
-     * This returns the chronologically first datetime that this ticket is associated with
-     *
-     * @return EE_Datetime
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function first_datetime()
-    {
-        $datetimes = $this->datetimes(['limit' => 1]);
-        return reset($datetimes);
-    }
-
-
-    /**
-     * Gets all the datetimes this ticket can be used for attending.
-     * Unless otherwise specified, orders datetimes by start date.
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Datetime[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetimes($query_params = [])
-    {
-        if (! isset($query_params['order_by'])) {
-            $query_params['order_by']['DTT_order'] = 'ASC';
-        }
-        return $this->get_many_related('Datetime', $query_params);
-    }
-
-
-    /**
-     * This returns the chronologically last datetime that this ticket is associated with
-     *
-     * @return EE_Datetime
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function last_datetime()
-    {
-        $datetimes = $this->datetimes(['limit' => 1, 'order_by' => ['DTT_EVT_start' => 'DESC']]);
-        return end($datetimes);
-    }
-
-
-    /**
-     * This returns the total tickets sold depending on the given parameters.
-     *
-     * @param string $what    Can be one of two options: 'ticket', 'datetime'.
-     *                        'ticket' = total ticket sales for all datetimes this ticket is related to
-     *                        'datetime' = total ticket sales for a specified datetime (required $dtt_id)
-     *                        'datetime' = total ticket sales in the datetime_ticket table.
-     *                        If $dtt_id is not given then we return an array of sales indexed by datetime.
-     *                        If $dtt_id IS given then we return the tickets sold for that given datetime.
-     * @param int    $dtt_id  [optional] include the dtt_id with $what = 'datetime'.
-     * @return mixed (array|int)          how many tickets have sold
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function tickets_sold($what = 'ticket', $dtt_id = null)
-    {
-        $total        = 0;
-        $tickets_sold = $this->_all_tickets_sold();
-        switch ($what) {
-            case 'ticket':
-                return $tickets_sold['ticket'];
-                break;
-            case 'datetime':
-                if (empty($tickets_sold['datetime'])) {
-                    return $total;
-                }
-                if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
-                    EE_Error::add_error(
-                        __(
-                            'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
-                            'event_espresso'
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                    return $total;
-                }
-                return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
-                break;
-            default:
-                return $total;
-        }
-    }
-
-
-    /**
-     * This returns an array indexed by datetime_id for tickets sold with this ticket.
-     *
-     * @return EE_Ticket[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected function _all_tickets_sold()
-    {
-        $datetimes    = $this->get_many_related('Datetime');
-        $tickets_sold = [];
-        if (! empty($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                $tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
-            }
-        }
-        // Tickets sold
-        $tickets_sold['ticket'] = $this->sold();
-        return $tickets_sold;
-    }
-
-
-    /**
-     * This returns the base price object for the ticket.
-     *
-     * @param bool $return_array whether to return as an array indexed by price id or just the object.
-     * @return EE_Price|EE_Base_Class|EE_Price[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function base_price($return_array = false)
-    {
-        $_where = ['Price_Type.PBT_ID' => EEM_Price_Type::base_type_base_price];
-        return $return_array
-            ? $this->get_many_related('Price', [$_where])
-            : $this->get_first_related('Price', [$_where]);
-    }
-
-
-    /**
-     * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
-     *
-     * @access public
-     * @return EE_Price[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function price_modifiers()
-    {
-        $query_params = [
-            0 => [
-                'Price_Type.PBT_ID' => [
-                    'NOT IN',
-                    [EEM_Price_Type::base_type_base_price, EEM_Price_Type::base_type_tax],
-                ],
-            ],
-        ];
-        return $this->prices($query_params);
-    }
-
-
-    /**
-     * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
-     *
-     * @access public
-     * @return EE_Price[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function tax_price_modifiers()
-    {
-        $query_params = [
-            0 => [
-                'Price_Type.PBT_ID' => EEM_Price_Type::base_type_tax,
-            ],
-        ];
-        return $this->prices($query_params);
-    }
-
-
-    /**
-     * Gets all the prices that combine to form the final price of this ticket
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Price[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function prices($query_params = [])
-    {
-        return $this->get_many_related('Price', $query_params);
-    }
-
-
-    /**
-     * Gets all the ticket datetimes (ie, relations between datetimes and tickets)
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Datetime_Ticket|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetime_tickets($query_params = [])
-    {
-        return $this->get_many_related('Datetime_Ticket', $query_params);
-    }
-
-
-    /**
-     * Gets all the datetimes from the db ordered by DTT_order
-     *
-     * @param boolean $show_expired
-     * @param boolean $show_deleted
-     * @return EE_Datetime[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function datetimes_ordered($show_expired = true, $show_deleted = false)
-    {
-        return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_ticket_ordered_by_DTT_order(
-            $this->ID(),
-            $show_expired,
-            $show_deleted
-        );
-    }
-
-
-    /**
-     * Gets ID
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ID()
-    {
-        return $this->get('TKT_ID');
-    }
-
-
-    /**
-     * get the author of the ticket.
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.5.0
-     */
-    public function wp_user()
-    {
-        return $this->get('TKT_wp_user');
-    }
-
-
-    /**
-     * Gets the template for the ticket
-     *
-     * @return EE_Ticket_Template|EE_Base_Class
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function template()
-    {
-        return $this->get_first_related('Ticket_Template');
-    }
-
-
-    /**
-     * Simply returns an array of EE_Price objects that are taxes.
-     *
-     * @return EE_Price[]
-     * @throws EE_Error
-     */
-    public function get_ticket_taxes_for_admin()
-    {
-        return EE_Taxes::get_taxes_for_admin();
-    }
-
-
-    /**
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ticket_price()
-    {
-        return $this->get('TKT_price');
-    }
-
-
-    /**
-     * @return mixed
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function pretty_price()
-    {
-        return $this->get_pretty('TKT_price');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_free()
-    {
-        return $this->get_ticket_total_with_taxes() === (float) 0;
-    }
-
-
-    /**
-     * get_ticket_total_with_taxes
-     *
-     * @param bool $no_cache
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_ticket_total_with_taxes($no_cache = false)
-    {
-        if ($this->_ticket_total_with_taxes === null || $no_cache) {
-            $this->_ticket_total_with_taxes = $this->get_ticket_subtotal() + $this->get_ticket_taxes_total_for_admin();
-        }
-        return (float) $this->_ticket_total_with_taxes;
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function ensure_TKT_Price_correct()
-    {
-        $this->set('TKT_price', EE_Taxes::get_subtotal_for_admin($this));
-        $this->save();
-    }
-
-
-    /**
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_ticket_subtotal()
-    {
-        return EE_Taxes::get_subtotal_for_admin($this);
-    }
-
-
-    /**
-     * Returns the total taxes applied to this ticket
-     *
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_ticket_taxes_total_for_admin()
-    {
-        return EE_Taxes::get_total_taxes_for_admin($this);
-    }
-
-
-    /**
-     * Sets name
-     *
-     * @param string $name
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_name($name)
-    {
-        $this->set('TKT_name', $name);
-    }
-
-
-    /**
-     * Gets description
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function description()
-    {
-        return $this->get('TKT_description');
-    }
-
-
-    /**
-     * Sets description
-     *
-     * @param string $description
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_description($description)
-    {
-        $this->set('TKT_description', $description);
-    }
-
-
-    /**
-     * Gets start_date
-     *
-     * @param string $date_format
-     * @param string $time_format
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function start_date($date_format = '', $time_format = '')
-    {
-        return $this->_get_datetime('TKT_start_date', $date_format, $time_format);
-    }
-
-
-    /**
-     * Sets start_date
-     *
-     * @param string $start_date
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_start_date($start_date)
-    {
-        $this->_set_date_time('B', $start_date, 'TKT_start_date');
-    }
-
-
-    /**
-     * Gets end_date
-     *
-     * @param string $date_format
-     * @param string $time_format
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function end_date($date_format = '', $time_format = '')
-    {
-        return $this->_get_datetime('TKT_end_date', $date_format, $time_format);
-    }
-
-
-    /**
-     * Sets end_date
-     *
-     * @param string $end_date
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_end_date($end_date)
-    {
-        $this->_set_date_time('B', $end_date, 'TKT_end_date');
-    }
-
-
-    /**
-     * Sets sell until time
-     *
-     * @param string $time a string representation of the sell until time (ex 9am or 7:30pm)
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.5.0
-     */
-    public function set_end_time($time)
-    {
-        $this->_set_time_for($time, 'TKT_end_date');
-    }
-
-
-    /**
-     * Sets min
-     *
-     * @param int $min
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_min($min)
-    {
-        $this->set('TKT_min', $min);
-    }
-
-
-    /**
-     * Gets max
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function max()
-    {
-        return $this->get('TKT_max');
-    }
-
-
-    /**
-     * Sets max
-     *
-     * @param int $max
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_max($max)
-    {
-        $this->set('TKT_max', $max);
-    }
-
-
-    /**
-     * Sets price
-     *
-     * @param float $price
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_price($price)
-    {
-        $this->set('TKT_price', $price);
-    }
-
-
-    /**
-     * Gets sold
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function sold()
-    {
-        return $this->get_raw('TKT_sold');
-    }
-
-
-    /**
-     * Sets sold
-     *
-     * @param int $sold
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_sold($sold)
-    {
-        // sold can not go below zero
-        $sold = max(0, $sold);
-        $this->set('TKT_sold', $sold);
-    }
-
-
-    /**
-     * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
-     * associated datetimes.
-     *
-     * @param int $qty
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    public function increaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        // increment sold and decrement reserved datetime quantities simultaneously
-        // don't worry about failures, because they must have already had a spot reserved
-        $this->increaseSoldForDatetimes($qty);
-        // Increment and decrement ticket quantities simultaneously
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_reserved' => $qty * -1,
-                'TKT_sold'     => $qty,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__increase_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
-     *
-     * @param int           $qty positive or negative. Positive means to increase sold counts (and decrease reserved
-     *                           counts), Negative means to decreases old counts (and increase reserved counts).
-     * @param EE_Datetime[] $datetimes
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function increaseSoldForDatetimes($qty, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            $datetime->increaseSold($qty);
-        }
-    }
-
-
-    /**
-     * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
-     * DB and then updates the model objects.
-     * Does not affect the reserved counts.
-     *
-     * @param int $qty
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    public function decreaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        $this->decreaseSoldForDatetimes($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_sold' => $qty * -1,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__decrease_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decreases sold on related datetimes
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function decreaseSoldForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        if (is_array($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    $datetime->decreaseSold($qty);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Gets qty of reserved tickets
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function reserved()
-    {
-        return $this->get_raw('TKT_reserved');
-    }
-
-
-    /**
-     * Sets reserved
-     *
-     * @param int $reserved
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_reserved($reserved)
-    {
-        // reserved can not go below zero
-        $reserved = max(0, (int) $reserved);
-        $this->set('TKT_reserved', $reserved);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param string $source
-     * @return bool whether we successfully reserved the ticket or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    public function increaseReserved($qty = 1, $source = 'unknown')
-    {
-        $qty = absint($qty);
-        do_action(
-            'AHEE__EE_Ticket__increase_reserved__begin',
-            $this,
-            $qty,
-            $source
-        );
-        $this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "{$qty} from {$source}");
-        $success                         = false;
-        $datetimes_adjusted_successfully = $this->increaseReservedForDatetimes($qty);
-        if ($datetimes_adjusted_successfully) {
-            $success = $this->incrementFieldConditionallyInDb(
-                'TKT_reserved',
-                'TKT_sold',
-                'TKT_qty',
-                $qty
-            );
-            if (! $success) {
-                // The datetimes were successfully bumped, but not the
-                // ticket. So we need to manually rollback the datetimes.
-                $this->decreaseReservedForDatetimes($qty);
-            }
-        }
-        do_action(
-            'AHEE__EE_Ticket__increase_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Increases reserved counts on related datetimes
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @return boolean indicating success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.9.80.p
-     */
-    protected function increaseReservedForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes         = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        $datetimes_updated = [];
-        $limit_exceeded    = false;
-        if (is_array($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    if ($datetime->increaseReserved($qty)) {
-                        $datetimes_updated[] = $datetime;
-                    } else {
-                        $limit_exceeded = true;
-                        break;
-                    }
-                }
-            }
-            // If somewhere along the way we detected a datetime whose
-            // limit was exceeded, do a manual rollback.
-            if ($limit_exceeded) {
-                $this->decreaseReservedForDatetimes($qty, $datetimes_updated);
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param bool   $adjust_datetimes
-     * @param string $source
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    public function decreaseReserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
-    {
-        $qty = absint($qty);
-        $this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "-{$qty} from {$source}");
-        if ($adjust_datetimes) {
-            $this->decreaseReservedForDatetimes($qty);
-        }
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'TKT_reserved' => $qty * -1,
-            ]
-        );
-        do_action(
-            'AHEE__EE_Ticket__decrease_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decreases the reserved count on the specified datetimes.
-     *
-     * @param int           $qty
-     * @param EE_Datetime[] $datetimes
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.9.80.p
-     */
-    protected function decreaseReservedForDatetimes($qty = 1, array $datetimes = [])
-    {
-        $datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                $datetime->decreaseReserved($qty);
-            }
-        }
-    }
-
-
-    /**
-     * Gets ticket quantity
-     *
-     * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
-     *                            therefore $context can be one of three values: '', 'reg_limit', or 'saleable'
-     *                            '' (default) quantity is the actual db value for TKT_qty, unaffected by other objects
-     *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
-     *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
-     *                            is therefore the truest measure of tickets that can be purchased at the moment
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function qty($context = '')
-    {
-        switch ($context) {
-            case 'reg_limit':
-                return $this->real_quantity_on_ticket();
-            case 'saleable':
-                return $this->real_quantity_on_ticket('saleable');
-            default:
-                return $this->get_raw('TKT_qty');
-        }
-    }
-
-
-    /**
-     * Gets ticket quantity
-     *
-     * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
-     *                            therefore $context can be one of two values: 'reg_limit', or 'saleable'
-     *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
-     *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
-     *                            is therefore the truest measure of tickets that can be purchased at the moment
-     * @param int    $DTT_ID      the primary key for a particular datetime.
-     *                            set to 0 for all related datetimes
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function real_quantity_on_ticket($context = 'reg_limit', $DTT_ID = 0)
-    {
-        $raw = $this->get_raw('TKT_qty');
-        // return immediately if it's zero
-        if ($raw === 0) {
-            return $raw;
-        }
-        // echo "\n\n<br />Ticket: " . $this->name() . '<br />';
-        // ensure qty doesn't exceed raw value for THIS ticket
-        $qty = min(EE_INF, $raw);
-        // echo "\n . qty: " . $qty . '<br />';
-        // calculate this ticket's total sales and reservations
-        $sold_and_reserved_for_this_ticket = $this->sold() + $this->reserved();
-        // echo "\n . sold: " . $this->sold() . '<br />';
-        // echo "\n . reserved: " . $this->reserved() . '<br />';
-        // echo "\n . sold_and_reserved_for_this_ticket: " . $sold_and_reserved_for_this_ticket . '<br />';
-        // first we need to calculate the maximum number of tickets available for the datetime
-        // do we want data for one datetime or all of them ?
-        $query_params = $DTT_ID ? [['DTT_ID' => $DTT_ID]] : [];
-        $datetimes    = $this->datetimes($query_params);
-        if (is_array($datetimes) && ! empty($datetimes)) {
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    $datetime->refresh_from_db();
-                    // echo "\n . . datetime name: " . $datetime->name() . '<br />';
-                    // echo "\n . . datetime ID: " . $datetime->ID() . '<br />';
-                    // initialize with no restrictions for each datetime
-                    // but adjust datetime qty based on datetime reg limit
-                    $datetime_qty = min(EE_INF, $datetime->reg_limit());
-                    // echo "\n . . . datetime reg_limit: " . $datetime->reg_limit() . '<br />';
-                    // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                    // if we want the actual saleable amount, then we need to consider OTHER ticket sales
-                    // and reservations for this datetime, that do NOT include sales and reservations
-                    // for this ticket (so we add $this->sold() and $this->reserved() back in)
-                    if ($context === 'saleable') {
-                        $datetime_qty = max(
-                            $datetime_qty - $datetime->sold_and_reserved() + $sold_and_reserved_for_this_ticket,
-                            0
-                        );
-                        // echo "\n . . . datetime sold: " . $datetime->sold() . '<br />';
-                        // echo "\n . . . datetime reserved: " . $datetime->reserved() . '<br />';
-                        // echo "\n . . . datetime sold_and_reserved: " . $datetime->sold_and_reserved() . '<br />';
-                        // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                        $datetime_qty = ! $datetime->sold_out() ? $datetime_qty : 0;
-                        // echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
-                    }
-                    $qty = min($datetime_qty, $qty);
-                    // echo "\n . . qty: " . $qty . '<br />';
-                }
-            }
-        }
-        // NOW that we know the  maximum number of tickets available for the datetime
-        // we can finally factor in the details for this specific ticket
-        if ($qty > 0 && $context === 'saleable') {
-            // and subtract the sales for THIS ticket
-            $qty = max($qty - $sold_and_reserved_for_this_ticket, 0);
-            // echo "\n . qty: " . $qty . '<br />';
-        }
-        // echo "\nFINAL QTY: " . $qty . "<br /><br />";
-        return $qty;
-    }
-
-
-    /**
-     * Sets qty - IMPORTANT!!! Does NOT allow QTY to be set higher than the lowest reg limit of any related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_qty($qty)
-    {
-        $datetimes = $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                $qty = min($qty, $datetime->reg_limit());
-            }
-        }
-        $this->set('TKT_qty', $qty);
-    }
-
-
-    /**
-     * Gets uses
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function uses()
-    {
-        return $this->get('TKT_uses');
-    }
-
-
-    /**
-     * Sets uses
-     *
-     * @param int $uses
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_uses($uses)
-    {
-        $this->set('TKT_uses', $uses);
-    }
-
-
-    /**
-     * returns whether ticket is required or not.
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function required()
-    {
-        return $this->get('TKT_required');
-    }
-
-
-    /**
-     * sets the TKT_required property
-     *
-     * @param boolean $required
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_required($required)
-    {
-        $this->set('TKT_required', $required);
-    }
-
-
-    /**
-     * Gets taxable
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function taxable()
-    {
-        return $this->get('TKT_taxable');
-    }
-
-
-    /**
-     * Sets taxable
-     *
-     * @param boolean $taxable
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_taxable($taxable)
-    {
-        $this->set('TKT_taxable', $taxable);
-    }
-
-
-    /**
-     * Gets is_default
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_default()
-    {
-        return $this->get('TKT_is_default');
-    }
-
-
-    /**
-     * Sets is_default
-     *
-     * @param boolean $is_default
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_is_default($is_default)
-    {
-        $this->set('TKT_is_default', $is_default);
-    }
-
-
-    /**
-     * Gets order
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function order()
-    {
-        return $this->get('TKT_order');
-    }
-
-
-    /**
-     * Sets order
-     *
-     * @param int $order
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_order($order)
-    {
-        $this->set('TKT_order', $order);
-    }
-
-
-    /**
-     * Gets row
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function row()
-    {
-        return $this->get('TKT_row');
-    }
-
-
-    /**
-     * Sets row
-     *
-     * @param int $row
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_row($row)
-    {
-        $this->set('TKT_row', $row);
-    }
-
-
-    /**
-     * Gets deleted
-     *
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function deleted()
-    {
-        return $this->get('TKT_deleted');
-    }
-
-
-    /**
-     * Sets deleted
-     *
-     * @param boolean $deleted
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_deleted($deleted)
-    {
-        $this->set('TKT_deleted', $deleted);
-    }
-
-
-    /**
-     * Gets parent
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function parent_ID()
-    {
-        return $this->get('TKT_parent');
-    }
-
-
-    /**
-     * Sets parent
-     *
-     * @param int $parent
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function set_parent_ID($parent)
-    {
-        $this->set('TKT_parent', $parent);
-    }
-
-
-    /**
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function reverse_calculate()
-    {
-        return $this->get('TKT_reverse_calculate');
-    }
-
-
-    /**
-     * @param boolean $reverse_calculate
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function set_reverse_calculate($reverse_calculate)
-    {
-        $this->set('TKT_reverse_calculate', $reverse_calculate);
-    }
-
-
-    /**
-     * Gets a string which is handy for showing in gateways etc that describes the ticket.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function name_and_info()
-    {
-        $times = [];
-        foreach ($this->datetimes() as $datetime) {
-            $times[] = $datetime->start_date_and_time();
-        }
-        return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
-    }
-
-
-    /**
-     * Gets name
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function name()
-    {
-        return $this->get('TKT_name');
-    }
-
-
-    /**
-     * Gets price
-     *
-     * @return float
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function price()
-    {
-        return $this->get('TKT_price');
-    }
-
-
-    /**
-     * Gets all the registrations for this ticket
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Registration[]|EE_Base_Class[]
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function registrations($query_params = [])
-    {
-        return $this->get_many_related('Registration', $query_params);
-    }
-
-
-    /**
-     * Updates the TKT_sold attribute (and saves) based on the number of APPROVED registrations for this ticket.
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function update_tickets_sold()
-    {
-        $count_regs_for_this_ticket = $this->count_registrations(
-            [
-                [
-                    'STS_ID'      => EEM_Registration::status_id_approved,
-                    'REG_deleted' => 0,
-                ],
-            ]
-        );
-        $this->set_sold($count_regs_for_this_ticket);
-        $this->save();
-        return $count_regs_for_this_ticket;
-    }
-
-
-    /**
-     * Counts the registrations for this ticket
-     *
-     * @param array $query_params @see
-     *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function count_registrations($query_params = [])
-    {
-        return $this->count_related('Registration', $query_params);
-    }
-
-
-    /**
-     * Implementation for EEI_Has_Icon interface method.
-     *
-     * @return string
-     * @see EEI_Visual_Representation for comments
-     */
-    public function get_icon()
-    {
-        return '<span class="dashicons dashicons-tickets-alt"/>';
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return EE_Event
-     * @throws EE_Error
-     * @throws UnexpectedEntityException
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_related_event()
-    {
-        // get one datetime to use for getting the event
-        $datetime = $this->first_datetime();
-        if (! $datetime instanceof EE_Datetime) {
-            throw new UnexpectedEntityException(
-                $datetime,
-                'EE_Datetime',
-                sprintf(
-                    __('The ticket (%s) is not associated with any valid datetimes.', 'event_espresso'),
-                    $this->name()
-                )
-            );
-        }
-        $event = $datetime->event();
-        if (! $event instanceof EE_Event) {
-            throw new UnexpectedEntityException(
-                $event,
-                'EE_Event',
-                sprintf(
-                    __('The ticket (%s) is not associated with a valid event.', 'event_espresso'),
-                    $this->name()
-                )
-            );
-        }
-        return $event;
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return string
-     * @throws UnexpectedEntityException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_event_name()
-    {
-        $event = $this->get_related_event();
-        return $event instanceof EE_Event ? $event->name() : '';
-    }
-
-
-    /**
-     * Implementation of the EEI_Event_Relation interface method
-     *
-     * @return int
-     * @throws UnexpectedEntityException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see EEI_Event_Relation for comments
-     */
-    public function get_event_ID()
-    {
-        $event = $this->get_related_event();
-        return $event instanceof EE_Event ? $event->ID() : 0;
-    }
-
-
-    /**
-     * This simply returns whether a ticket can be permanently deleted or not.
-     * The criteria for determining this is whether the ticket has any related registrations.
-     * If there are none then it can be permanently deleted.
-     *
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function is_permanently_deleteable()
-    {
-        return $this->count_registrations() === 0;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function visibility(): int
-    {
-        return $this->get('TKT_visibility');
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isHidden(): int
-    {
-        return $this->visibility() === EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isNotHidden(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isPublicOnly(): int
-    {
-        return $this->isNotHidden() && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isMembersOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isAdminsOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE;
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function isAdminUiOnly(): int
-    {
-        return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE
-               && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMIN_UI_ONLY_VALUE;
-    }
-
-
-    /**
-     * @param int $visibility
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since   $VID:$
-     */
-    public function set_visibility(int $visibility)
-    {
-
-        $ticket_visibility_options = $this->_model->ticketVisibilityOptions();
-        $ticket_visibility         = -1;
-        foreach ($ticket_visibility_options as $ticket_visibility_option) {
-            if ($visibility === $ticket_visibility_option) {
-                $ticket_visibility = $visibility;
-            }
-        }
-        if ($ticket_visibility === -1) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__(
-                        'The supplied ticket visibility setting of "%1$s" is not valid. It needs to match one of the keys in the following array:%2$s %3$s ',
-                        'event_espresso'
-                    ),
-                    $visibility,
-                    '<br />',
-                    var_export($ticket_visibility_options, true)
-                )
-            );
-        }
-        $this->set('TKT_visibility', $ticket_visibility);
-    }
-
-
-    /*******************************************************************
+	/**
+	 * TicKet Sold out:
+	 * constant used by ticket_status() to indicate that a ticket is sold out
+	 * and no longer available for purchases
+	 */
+	const sold_out = 'TKS';
+
+	/**
+	 * TicKet Expired:
+	 * constant used by ticket_status() to indicate that a ticket is expired
+	 * and no longer available for purchase
+	 */
+	const expired = 'TKE';
+
+	/**
+	 * TicKet Archived:
+	 * constant used by ticket_status() to indicate that a ticket is archived
+	 * and no longer available for purchase
+	 */
+	const archived = 'TKA';
+
+	/**
+	 * TicKet Pending:
+	 * constant used by ticket_status() to indicate that a ticket is pending
+	 * and is NOT YET available for purchase
+	 */
+	const pending = 'TKP';
+
+	/**
+	 * TicKet On sale:
+	 * constant used by ticket_status() to indicate that a ticket is On Sale
+	 * and IS available for purchase
+	 */
+	const onsale = 'TKO';
+
+	/**
+	 * extra meta key for tracking ticket reservations
+	 *
+	 * @type string
+	 */
+	const META_KEY_TICKET_RESERVATIONS = 'ticket_reservations';
+
+	/**
+	 * override of parent property
+	 *
+	 * @var EEM_Ticket
+	 */
+	protected $_model;
+
+	/**
+	 * cached result from method of the same name
+	 *
+	 * @var float $_ticket_total_with_taxes
+	 */
+	private $_ticket_total_with_taxes;
+
+
+	/**
+	 * @param array  $props_n_values          incoming values
+	 * @param string $timezone                incoming timezone (if not set the timezone set for the website will be
+	 *                                        used.)
+	 * @param array  $date_formats            incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function new_instance($props_n_values = [], $timezone = null, $date_formats = [])
+	{
+		$has_object = parent::_check_for_object($props_n_values, __CLASS__, $timezone, $date_formats);
+		return $has_object ? $has_object : new self($props_n_values, false, $timezone, $date_formats);
+	}
+
+
+	/**
+	 * @param array  $props_n_values  incoming values from the database
+	 * @param string $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Ticket
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function new_instance_from_db($props_n_values = [], $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function parent()
+	{
+		return $this->get('TKT_parent');
+	}
+
+
+	/**
+	 * return if a ticket has quantities available for purchase
+	 *
+	 * @param int $DTT_ID the primary key for a particular datetime
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function available($DTT_ID = 0)
+	{
+		// are we checking availability for a particular datetime ?
+		if ($DTT_ID) {
+			// get that datetime object
+			$datetime = $this->get_first_related('Datetime', [['DTT_ID' => $DTT_ID]]);
+			// if  ticket sales for this datetime have exceeded the reg limit...
+			if ($datetime instanceof EE_Datetime && $datetime->sold_out()) {
+				return false;
+			}
+		}
+		// datetime is still open for registration, but is this ticket sold out ?
+		return $this->qty() < 1 || $this->qty() > $this->sold();
+	}
+
+
+	/**
+	 * Using the start date and end date this method calculates whether the ticket is On Sale, Pending, or Expired
+	 *
+	 * @param bool        $display   true = we'll return a localized string, otherwise we just return the value of the
+	 *                               relevant status const
+	 * @param bool | null $remaining if it is already known that tickets are available, then simply pass a bool to save
+	 *                               further processing
+	 * @return mixed status int if the display string isn't requested
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ticket_status($display = false, $remaining = null)
+	{
+		$remaining = is_bool($remaining) ? $remaining : $this->is_remaining();
+		if (! $remaining) {
+			return $display ? EEH_Template::pretty_status(EE_Ticket::sold_out, false, 'sentence') : EE_Ticket::sold_out;
+		}
+		if ($this->get('TKT_deleted')) {
+			return $display ? EEH_Template::pretty_status(EE_Ticket::archived, false, 'sentence') : EE_Ticket::archived;
+		}
+		if ($this->is_expired()) {
+			return $display ? EEH_Template::pretty_status(EE_Ticket::expired, false, 'sentence') : EE_Ticket::expired;
+		}
+		if ($this->is_pending()) {
+			return $display ? EEH_Template::pretty_status(EE_Ticket::pending, false, 'sentence') : EE_Ticket::pending;
+		}
+		if ($this->is_on_sale()) {
+			return $display ? EEH_Template::pretty_status(EE_Ticket::onsale, false, 'sentence') : EE_Ticket::onsale;
+		}
+		return '';
+	}
+
+
+	/**
+	 * The purpose of this method is to simply return a boolean for whether there are any tickets remaining for sale
+	 * considering ALL the factors used for figuring that out.
+	 *
+	 * @access public
+	 * @param int $DTT_ID if an int above 0 is included here then we get a specific dtt.
+	 * @return boolean         true = tickets remaining, false not.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_remaining($DTT_ID = 0)
+	{
+		$num_remaining = $this->remaining($DTT_ID);
+		if ($num_remaining === 0) {
+			return false;
+		}
+		if ($num_remaining > 0 && $num_remaining < $this->min()) {
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * return the total number of tickets available for purchase
+	 *
+	 * @param int $DTT_ID  the primary key for a particular datetime.
+	 *                     set to 0 for all related datetimes
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function remaining($DTT_ID = 0)
+	{
+		return $this->real_quantity_on_ticket('saleable', $DTT_ID);
+	}
+
+
+	/**
+	 * Gets min
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function min()
+	{
+		return $this->get('TKT_min');
+	}
+
+
+	/**
+	 * return if a ticket is no longer available cause its available dates have expired.
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_expired()
+	{
+		return ($this->get_raw('TKT_end_date') < time());
+	}
+
+
+	/**
+	 * Return if a ticket is yet to go on sale or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_pending()
+	{
+		return ($this->get_raw('TKT_start_date') >= time());
+	}
+
+
+	/**
+	 * Return if a ticket is on sale or not
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_on_sale()
+	{
+		return ($this->get_raw('TKT_start_date') <= time() && $this->get_raw('TKT_end_date') >= time());
+	}
+
+
+	/**
+	 * This returns the chronologically last datetime that this ticket is associated with
+	 *
+	 * @param string $date_format
+	 * @param string $conjunction - conjunction junction what's your function ? this string joins the start date with
+	 *                            the end date ie: Jan 01 "to" Dec 31
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function date_range($date_format = '', $conjunction = ' - ')
+	{
+		$date_format = ! empty($date_format) ? $date_format : $this->_dt_frmt;
+		$first_date  = $this->first_datetime() instanceof EE_Datetime
+			? $this->first_datetime()->get_i18n_datetime('DTT_EVT_start', $date_format)
+			: '';
+		$last_date   = $this->last_datetime() instanceof EE_Datetime
+			? $this->last_datetime()->get_i18n_datetime('DTT_EVT_end', $date_format)
+			: '';
+
+		return $first_date && $last_date ? $first_date . $conjunction . $last_date : '';
+	}
+
+
+	/**
+	 * This returns the chronologically first datetime that this ticket is associated with
+	 *
+	 * @return EE_Datetime
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function first_datetime()
+	{
+		$datetimes = $this->datetimes(['limit' => 1]);
+		return reset($datetimes);
+	}
+
+
+	/**
+	 * Gets all the datetimes this ticket can be used for attending.
+	 * Unless otherwise specified, orders datetimes by start date.
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Datetime[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetimes($query_params = [])
+	{
+		if (! isset($query_params['order_by'])) {
+			$query_params['order_by']['DTT_order'] = 'ASC';
+		}
+		return $this->get_many_related('Datetime', $query_params);
+	}
+
+
+	/**
+	 * This returns the chronologically last datetime that this ticket is associated with
+	 *
+	 * @return EE_Datetime
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function last_datetime()
+	{
+		$datetimes = $this->datetimes(['limit' => 1, 'order_by' => ['DTT_EVT_start' => 'DESC']]);
+		return end($datetimes);
+	}
+
+
+	/**
+	 * This returns the total tickets sold depending on the given parameters.
+	 *
+	 * @param string $what    Can be one of two options: 'ticket', 'datetime'.
+	 *                        'ticket' = total ticket sales for all datetimes this ticket is related to
+	 *                        'datetime' = total ticket sales for a specified datetime (required $dtt_id)
+	 *                        'datetime' = total ticket sales in the datetime_ticket table.
+	 *                        If $dtt_id is not given then we return an array of sales indexed by datetime.
+	 *                        If $dtt_id IS given then we return the tickets sold for that given datetime.
+	 * @param int    $dtt_id  [optional] include the dtt_id with $what = 'datetime'.
+	 * @return mixed (array|int)          how many tickets have sold
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function tickets_sold($what = 'ticket', $dtt_id = null)
+	{
+		$total        = 0;
+		$tickets_sold = $this->_all_tickets_sold();
+		switch ($what) {
+			case 'ticket':
+				return $tickets_sold['ticket'];
+				break;
+			case 'datetime':
+				if (empty($tickets_sold['datetime'])) {
+					return $total;
+				}
+				if (! empty($dtt_id) && ! isset($tickets_sold['datetime'][ $dtt_id ])) {
+					EE_Error::add_error(
+						__(
+							'You\'ve requested the amount of tickets sold for a given ticket and datetime, however there are no records for the datetime id you included.  Are you SURE that is a datetime related to this ticket?',
+							'event_espresso'
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+					return $total;
+				}
+				return empty($dtt_id) ? $tickets_sold['datetime'] : $tickets_sold['datetime'][ $dtt_id ];
+				break;
+			default:
+				return $total;
+		}
+	}
+
+
+	/**
+	 * This returns an array indexed by datetime_id for tickets sold with this ticket.
+	 *
+	 * @return EE_Ticket[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected function _all_tickets_sold()
+	{
+		$datetimes    = $this->get_many_related('Datetime');
+		$tickets_sold = [];
+		if (! empty($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				$tickets_sold['datetime'][ $datetime->ID() ] = $datetime->get('DTT_sold');
+			}
+		}
+		// Tickets sold
+		$tickets_sold['ticket'] = $this->sold();
+		return $tickets_sold;
+	}
+
+
+	/**
+	 * This returns the base price object for the ticket.
+	 *
+	 * @param bool $return_array whether to return as an array indexed by price id or just the object.
+	 * @return EE_Price|EE_Base_Class|EE_Price[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function base_price($return_array = false)
+	{
+		$_where = ['Price_Type.PBT_ID' => EEM_Price_Type::base_type_base_price];
+		return $return_array
+			? $this->get_many_related('Price', [$_where])
+			: $this->get_first_related('Price', [$_where]);
+	}
+
+
+	/**
+	 * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
+	 *
+	 * @access public
+	 * @return EE_Price[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function price_modifiers()
+	{
+		$query_params = [
+			0 => [
+				'Price_Type.PBT_ID' => [
+					'NOT IN',
+					[EEM_Price_Type::base_type_base_price, EEM_Price_Type::base_type_tax],
+				],
+			],
+		];
+		return $this->prices($query_params);
+	}
+
+
+	/**
+	 * This returns ONLY the price modifiers for the ticket (i.e. no taxes or base price)
+	 *
+	 * @access public
+	 * @return EE_Price[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function tax_price_modifiers()
+	{
+		$query_params = [
+			0 => [
+				'Price_Type.PBT_ID' => EEM_Price_Type::base_type_tax,
+			],
+		];
+		return $this->prices($query_params);
+	}
+
+
+	/**
+	 * Gets all the prices that combine to form the final price of this ticket
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Price[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function prices($query_params = [])
+	{
+		return $this->get_many_related('Price', $query_params);
+	}
+
+
+	/**
+	 * Gets all the ticket datetimes (ie, relations between datetimes and tickets)
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Datetime_Ticket|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetime_tickets($query_params = [])
+	{
+		return $this->get_many_related('Datetime_Ticket', $query_params);
+	}
+
+
+	/**
+	 * Gets all the datetimes from the db ordered by DTT_order
+	 *
+	 * @param boolean $show_expired
+	 * @param boolean $show_deleted
+	 * @return EE_Datetime[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function datetimes_ordered($show_expired = true, $show_deleted = false)
+	{
+		return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_ticket_ordered_by_DTT_order(
+			$this->ID(),
+			$show_expired,
+			$show_deleted
+		);
+	}
+
+
+	/**
+	 * Gets ID
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ID()
+	{
+		return $this->get('TKT_ID');
+	}
+
+
+	/**
+	 * get the author of the ticket.
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.5.0
+	 */
+	public function wp_user()
+	{
+		return $this->get('TKT_wp_user');
+	}
+
+
+	/**
+	 * Gets the template for the ticket
+	 *
+	 * @return EE_Ticket_Template|EE_Base_Class
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function template()
+	{
+		return $this->get_first_related('Ticket_Template');
+	}
+
+
+	/**
+	 * Simply returns an array of EE_Price objects that are taxes.
+	 *
+	 * @return EE_Price[]
+	 * @throws EE_Error
+	 */
+	public function get_ticket_taxes_for_admin()
+	{
+		return EE_Taxes::get_taxes_for_admin();
+	}
+
+
+	/**
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ticket_price()
+	{
+		return $this->get('TKT_price');
+	}
+
+
+	/**
+	 * @return mixed
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function pretty_price()
+	{
+		return $this->get_pretty('TKT_price');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_free()
+	{
+		return $this->get_ticket_total_with_taxes() === (float) 0;
+	}
+
+
+	/**
+	 * get_ticket_total_with_taxes
+	 *
+	 * @param bool $no_cache
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_ticket_total_with_taxes($no_cache = false)
+	{
+		if ($this->_ticket_total_with_taxes === null || $no_cache) {
+			$this->_ticket_total_with_taxes = $this->get_ticket_subtotal() + $this->get_ticket_taxes_total_for_admin();
+		}
+		return (float) $this->_ticket_total_with_taxes;
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function ensure_TKT_Price_correct()
+	{
+		$this->set('TKT_price', EE_Taxes::get_subtotal_for_admin($this));
+		$this->save();
+	}
+
+
+	/**
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_ticket_subtotal()
+	{
+		return EE_Taxes::get_subtotal_for_admin($this);
+	}
+
+
+	/**
+	 * Returns the total taxes applied to this ticket
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_ticket_taxes_total_for_admin()
+	{
+		return EE_Taxes::get_total_taxes_for_admin($this);
+	}
+
+
+	/**
+	 * Sets name
+	 *
+	 * @param string $name
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_name($name)
+	{
+		$this->set('TKT_name', $name);
+	}
+
+
+	/**
+	 * Gets description
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function description()
+	{
+		return $this->get('TKT_description');
+	}
+
+
+	/**
+	 * Sets description
+	 *
+	 * @param string $description
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_description($description)
+	{
+		$this->set('TKT_description', $description);
+	}
+
+
+	/**
+	 * Gets start_date
+	 *
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function start_date($date_format = '', $time_format = '')
+	{
+		return $this->_get_datetime('TKT_start_date', $date_format, $time_format);
+	}
+
+
+	/**
+	 * Sets start_date
+	 *
+	 * @param string $start_date
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_start_date($start_date)
+	{
+		$this->_set_date_time('B', $start_date, 'TKT_start_date');
+	}
+
+
+	/**
+	 * Gets end_date
+	 *
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function end_date($date_format = '', $time_format = '')
+	{
+		return $this->_get_datetime('TKT_end_date', $date_format, $time_format);
+	}
+
+
+	/**
+	 * Sets end_date
+	 *
+	 * @param string $end_date
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_end_date($end_date)
+	{
+		$this->_set_date_time('B', $end_date, 'TKT_end_date');
+	}
+
+
+	/**
+	 * Sets sell until time
+	 *
+	 * @param string $time a string representation of the sell until time (ex 9am or 7:30pm)
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.5.0
+	 */
+	public function set_end_time($time)
+	{
+		$this->_set_time_for($time, 'TKT_end_date');
+	}
+
+
+	/**
+	 * Sets min
+	 *
+	 * @param int $min
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_min($min)
+	{
+		$this->set('TKT_min', $min);
+	}
+
+
+	/**
+	 * Gets max
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function max()
+	{
+		return $this->get('TKT_max');
+	}
+
+
+	/**
+	 * Sets max
+	 *
+	 * @param int $max
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_max($max)
+	{
+		$this->set('TKT_max', $max);
+	}
+
+
+	/**
+	 * Sets price
+	 *
+	 * @param float $price
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_price($price)
+	{
+		$this->set('TKT_price', $price);
+	}
+
+
+	/**
+	 * Gets sold
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function sold()
+	{
+		return $this->get_raw('TKT_sold');
+	}
+
+
+	/**
+	 * Sets sold
+	 *
+	 * @param int $sold
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_sold($sold)
+	{
+		// sold can not go below zero
+		$sold = max(0, $sold);
+		$this->set('TKT_sold', $sold);
+	}
+
+
+	/**
+	 * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
+	 * associated datetimes.
+	 *
+	 * @param int $qty
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	public function increaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		// increment sold and decrement reserved datetime quantities simultaneously
+		// don't worry about failures, because they must have already had a spot reserved
+		$this->increaseSoldForDatetimes($qty);
+		// Increment and decrement ticket quantities simultaneously
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_reserved' => $qty * -1,
+				'TKT_sold'     => $qty,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__increase_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
+	 *
+	 * @param int           $qty positive or negative. Positive means to increase sold counts (and decrease reserved
+	 *                           counts), Negative means to decreases old counts (and increase reserved counts).
+	 * @param EE_Datetime[] $datetimes
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function increaseSoldForDatetimes($qty, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			$datetime->increaseSold($qty);
+		}
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
+	 * DB and then updates the model objects.
+	 * Does not affect the reserved counts.
+	 *
+	 * @param int $qty
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	public function decreaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		$this->decreaseSoldForDatetimes($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_sold' => $qty * -1,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__decrease_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decreases sold on related datetimes
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function decreaseSoldForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		if (is_array($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					$datetime->decreaseSold($qty);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Gets qty of reserved tickets
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function reserved()
+	{
+		return $this->get_raw('TKT_reserved');
+	}
+
+
+	/**
+	 * Sets reserved
+	 *
+	 * @param int $reserved
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_reserved($reserved)
+	{
+		// reserved can not go below zero
+		$reserved = max(0, (int) $reserved);
+		$this->set('TKT_reserved', $reserved);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param string $source
+	 * @return bool whether we successfully reserved the ticket or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	public function increaseReserved($qty = 1, $source = 'unknown')
+	{
+		$qty = absint($qty);
+		do_action(
+			'AHEE__EE_Ticket__increase_reserved__begin',
+			$this,
+			$qty,
+			$source
+		);
+		$this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "{$qty} from {$source}");
+		$success                         = false;
+		$datetimes_adjusted_successfully = $this->increaseReservedForDatetimes($qty);
+		if ($datetimes_adjusted_successfully) {
+			$success = $this->incrementFieldConditionallyInDb(
+				'TKT_reserved',
+				'TKT_sold',
+				'TKT_qty',
+				$qty
+			);
+			if (! $success) {
+				// The datetimes were successfully bumped, but not the
+				// ticket. So we need to manually rollback the datetimes.
+				$this->decreaseReservedForDatetimes($qty);
+			}
+		}
+		do_action(
+			'AHEE__EE_Ticket__increase_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Increases reserved counts on related datetimes
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @return boolean indicating success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.9.80.p
+	 */
+	protected function increaseReservedForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes         = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		$datetimes_updated = [];
+		$limit_exceeded    = false;
+		if (is_array($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					if ($datetime->increaseReserved($qty)) {
+						$datetimes_updated[] = $datetime;
+					} else {
+						$limit_exceeded = true;
+						break;
+					}
+				}
+			}
+			// If somewhere along the way we detected a datetime whose
+			// limit was exceeded, do a manual rollback.
+			if ($limit_exceeded) {
+				$this->decreaseReservedForDatetimes($qty, $datetimes_updated);
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param bool   $adjust_datetimes
+	 * @param string $source
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	public function decreaseReserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
+	{
+		$qty = absint($qty);
+		$this->add_extra_meta(EE_Ticket::META_KEY_TICKET_RESERVATIONS, "-{$qty} from {$source}");
+		if ($adjust_datetimes) {
+			$this->decreaseReservedForDatetimes($qty);
+		}
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'TKT_reserved' => $qty * -1,
+			]
+		);
+		do_action(
+			'AHEE__EE_Ticket__decrease_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decreases the reserved count on the specified datetimes.
+	 *
+	 * @param int           $qty
+	 * @param EE_Datetime[] $datetimes
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.9.80.p
+	 */
+	protected function decreaseReservedForDatetimes($qty = 1, array $datetimes = [])
+	{
+		$datetimes = ! empty($datetimes) ? $datetimes : $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				$datetime->decreaseReserved($qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Gets ticket quantity
+	 *
+	 * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
+	 *                            therefore $context can be one of three values: '', 'reg_limit', or 'saleable'
+	 *                            '' (default) quantity is the actual db value for TKT_qty, unaffected by other objects
+	 *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
+	 *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
+	 *                            is therefore the truest measure of tickets that can be purchased at the moment
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function qty($context = '')
+	{
+		switch ($context) {
+			case 'reg_limit':
+				return $this->real_quantity_on_ticket();
+			case 'saleable':
+				return $this->real_quantity_on_ticket('saleable');
+			default:
+				return $this->get_raw('TKT_qty');
+		}
+	}
+
+
+	/**
+	 * Gets ticket quantity
+	 *
+	 * @param string $context     ticket quantity is somewhat subjective depending on the exact information sought
+	 *                            therefore $context can be one of two values: 'reg_limit', or 'saleable'
+	 *                            REG LIMIT: caps qty based on DTT_reg_limit for ALL related datetimes
+	 *                            SALEABLE: also considers datetime sold and returns zero if ANY DTT is sold out, and
+	 *                            is therefore the truest measure of tickets that can be purchased at the moment
+	 * @param int    $DTT_ID      the primary key for a particular datetime.
+	 *                            set to 0 for all related datetimes
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function real_quantity_on_ticket($context = 'reg_limit', $DTT_ID = 0)
+	{
+		$raw = $this->get_raw('TKT_qty');
+		// return immediately if it's zero
+		if ($raw === 0) {
+			return $raw;
+		}
+		// echo "\n\n<br />Ticket: " . $this->name() . '<br />';
+		// ensure qty doesn't exceed raw value for THIS ticket
+		$qty = min(EE_INF, $raw);
+		// echo "\n . qty: " . $qty . '<br />';
+		// calculate this ticket's total sales and reservations
+		$sold_and_reserved_for_this_ticket = $this->sold() + $this->reserved();
+		// echo "\n . sold: " . $this->sold() . '<br />';
+		// echo "\n . reserved: " . $this->reserved() . '<br />';
+		// echo "\n . sold_and_reserved_for_this_ticket: " . $sold_and_reserved_for_this_ticket . '<br />';
+		// first we need to calculate the maximum number of tickets available for the datetime
+		// do we want data for one datetime or all of them ?
+		$query_params = $DTT_ID ? [['DTT_ID' => $DTT_ID]] : [];
+		$datetimes    = $this->datetimes($query_params);
+		if (is_array($datetimes) && ! empty($datetimes)) {
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					$datetime->refresh_from_db();
+					// echo "\n . . datetime name: " . $datetime->name() . '<br />';
+					// echo "\n . . datetime ID: " . $datetime->ID() . '<br />';
+					// initialize with no restrictions for each datetime
+					// but adjust datetime qty based on datetime reg limit
+					$datetime_qty = min(EE_INF, $datetime->reg_limit());
+					// echo "\n . . . datetime reg_limit: " . $datetime->reg_limit() . '<br />';
+					// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+					// if we want the actual saleable amount, then we need to consider OTHER ticket sales
+					// and reservations for this datetime, that do NOT include sales and reservations
+					// for this ticket (so we add $this->sold() and $this->reserved() back in)
+					if ($context === 'saleable') {
+						$datetime_qty = max(
+							$datetime_qty - $datetime->sold_and_reserved() + $sold_and_reserved_for_this_ticket,
+							0
+						);
+						// echo "\n . . . datetime sold: " . $datetime->sold() . '<br />';
+						// echo "\n . . . datetime reserved: " . $datetime->reserved() . '<br />';
+						// echo "\n . . . datetime sold_and_reserved: " . $datetime->sold_and_reserved() . '<br />';
+						// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+						$datetime_qty = ! $datetime->sold_out() ? $datetime_qty : 0;
+						// echo "\n . . . datetime_qty: " . $datetime_qty . '<br />';
+					}
+					$qty = min($datetime_qty, $qty);
+					// echo "\n . . qty: " . $qty . '<br />';
+				}
+			}
+		}
+		// NOW that we know the  maximum number of tickets available for the datetime
+		// we can finally factor in the details for this specific ticket
+		if ($qty > 0 && $context === 'saleable') {
+			// and subtract the sales for THIS ticket
+			$qty = max($qty - $sold_and_reserved_for_this_ticket, 0);
+			// echo "\n . qty: " . $qty . '<br />';
+		}
+		// echo "\nFINAL QTY: " . $qty . "<br /><br />";
+		return $qty;
+	}
+
+
+	/**
+	 * Sets qty - IMPORTANT!!! Does NOT allow QTY to be set higher than the lowest reg limit of any related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_qty($qty)
+	{
+		$datetimes = $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				$qty = min($qty, $datetime->reg_limit());
+			}
+		}
+		$this->set('TKT_qty', $qty);
+	}
+
+
+	/**
+	 * Gets uses
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function uses()
+	{
+		return $this->get('TKT_uses');
+	}
+
+
+	/**
+	 * Sets uses
+	 *
+	 * @param int $uses
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_uses($uses)
+	{
+		$this->set('TKT_uses', $uses);
+	}
+
+
+	/**
+	 * returns whether ticket is required or not.
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function required()
+	{
+		return $this->get('TKT_required');
+	}
+
+
+	/**
+	 * sets the TKT_required property
+	 *
+	 * @param boolean $required
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_required($required)
+	{
+		$this->set('TKT_required', $required);
+	}
+
+
+	/**
+	 * Gets taxable
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function taxable()
+	{
+		return $this->get('TKT_taxable');
+	}
+
+
+	/**
+	 * Sets taxable
+	 *
+	 * @param boolean $taxable
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_taxable($taxable)
+	{
+		$this->set('TKT_taxable', $taxable);
+	}
+
+
+	/**
+	 * Gets is_default
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_default()
+	{
+		return $this->get('TKT_is_default');
+	}
+
+
+	/**
+	 * Sets is_default
+	 *
+	 * @param boolean $is_default
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_is_default($is_default)
+	{
+		$this->set('TKT_is_default', $is_default);
+	}
+
+
+	/**
+	 * Gets order
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function order()
+	{
+		return $this->get('TKT_order');
+	}
+
+
+	/**
+	 * Sets order
+	 *
+	 * @param int $order
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_order($order)
+	{
+		$this->set('TKT_order', $order);
+	}
+
+
+	/**
+	 * Gets row
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function row()
+	{
+		return $this->get('TKT_row');
+	}
+
+
+	/**
+	 * Sets row
+	 *
+	 * @param int $row
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_row($row)
+	{
+		$this->set('TKT_row', $row);
+	}
+
+
+	/**
+	 * Gets deleted
+	 *
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function deleted()
+	{
+		return $this->get('TKT_deleted');
+	}
+
+
+	/**
+	 * Sets deleted
+	 *
+	 * @param boolean $deleted
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_deleted($deleted)
+	{
+		$this->set('TKT_deleted', $deleted);
+	}
+
+
+	/**
+	 * Gets parent
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function parent_ID()
+	{
+		return $this->get('TKT_parent');
+	}
+
+
+	/**
+	 * Sets parent
+	 *
+	 * @param int $parent
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function set_parent_ID($parent)
+	{
+		$this->set('TKT_parent', $parent);
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function reverse_calculate()
+	{
+		return $this->get('TKT_reverse_calculate');
+	}
+
+
+	/**
+	 * @param boolean $reverse_calculate
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function set_reverse_calculate($reverse_calculate)
+	{
+		$this->set('TKT_reverse_calculate', $reverse_calculate);
+	}
+
+
+	/**
+	 * Gets a string which is handy for showing in gateways etc that describes the ticket.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function name_and_info()
+	{
+		$times = [];
+		foreach ($this->datetimes() as $datetime) {
+			$times[] = $datetime->start_date_and_time();
+		}
+		return $this->name() . ' @ ' . implode(', ', $times) . ' for ' . $this->pretty_price();
+	}
+
+
+	/**
+	 * Gets name
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function name()
+	{
+		return $this->get('TKT_name');
+	}
+
+
+	/**
+	 * Gets price
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function price()
+	{
+		return $this->get('TKT_price');
+	}
+
+
+	/**
+	 * Gets all the registrations for this ticket
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Registration[]|EE_Base_Class[]
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function registrations($query_params = [])
+	{
+		return $this->get_many_related('Registration', $query_params);
+	}
+
+
+	/**
+	 * Updates the TKT_sold attribute (and saves) based on the number of APPROVED registrations for this ticket.
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function update_tickets_sold()
+	{
+		$count_regs_for_this_ticket = $this->count_registrations(
+			[
+				[
+					'STS_ID'      => EEM_Registration::status_id_approved,
+					'REG_deleted' => 0,
+				],
+			]
+		);
+		$this->set_sold($count_regs_for_this_ticket);
+		$this->save();
+		return $count_regs_for_this_ticket;
+	}
+
+
+	/**
+	 * Counts the registrations for this ticket
+	 *
+	 * @param array $query_params @see
+	 *                            https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function count_registrations($query_params = [])
+	{
+		return $this->count_related('Registration', $query_params);
+	}
+
+
+	/**
+	 * Implementation for EEI_Has_Icon interface method.
+	 *
+	 * @return string
+	 * @see EEI_Visual_Representation for comments
+	 */
+	public function get_icon()
+	{
+		return '<span class="dashicons dashicons-tickets-alt"/>';
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return EE_Event
+	 * @throws EE_Error
+	 * @throws UnexpectedEntityException
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_related_event()
+	{
+		// get one datetime to use for getting the event
+		$datetime = $this->first_datetime();
+		if (! $datetime instanceof EE_Datetime) {
+			throw new UnexpectedEntityException(
+				$datetime,
+				'EE_Datetime',
+				sprintf(
+					__('The ticket (%s) is not associated with any valid datetimes.', 'event_espresso'),
+					$this->name()
+				)
+			);
+		}
+		$event = $datetime->event();
+		if (! $event instanceof EE_Event) {
+			throw new UnexpectedEntityException(
+				$event,
+				'EE_Event',
+				sprintf(
+					__('The ticket (%s) is not associated with a valid event.', 'event_espresso'),
+					$this->name()
+				)
+			);
+		}
+		return $event;
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return string
+	 * @throws UnexpectedEntityException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_event_name()
+	{
+		$event = $this->get_related_event();
+		return $event instanceof EE_Event ? $event->name() : '';
+	}
+
+
+	/**
+	 * Implementation of the EEI_Event_Relation interface method
+	 *
+	 * @return int
+	 * @throws UnexpectedEntityException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see EEI_Event_Relation for comments
+	 */
+	public function get_event_ID()
+	{
+		$event = $this->get_related_event();
+		return $event instanceof EE_Event ? $event->ID() : 0;
+	}
+
+
+	/**
+	 * This simply returns whether a ticket can be permanently deleted or not.
+	 * The criteria for determining this is whether the ticket has any related registrations.
+	 * If there are none then it can be permanently deleted.
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function is_permanently_deleteable()
+	{
+		return $this->count_registrations() === 0;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function visibility(): int
+	{
+		return $this->get('TKT_visibility');
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isHidden(): int
+	{
+		return $this->visibility() === EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isNotHidden(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_NONE_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isPublicOnly(): int
+	{
+		return $this->isNotHidden() && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isMembersOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_PUBLIC_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isAdminsOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_MEMBERS_ONLY_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function isAdminUiOnly(): int
+	{
+		return $this->visibility() > EEM_Ticket::TICKET_VISIBILITY_ADMINS_ONLY_VALUE
+			   && $this->visibility() <= EEM_Ticket::TICKET_VISIBILITY_ADMIN_UI_ONLY_VALUE;
+	}
+
+
+	/**
+	 * @param int $visibility
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since   $VID:$
+	 */
+	public function set_visibility(int $visibility)
+	{
+
+		$ticket_visibility_options = $this->_model->ticketVisibilityOptions();
+		$ticket_visibility         = -1;
+		foreach ($ticket_visibility_options as $ticket_visibility_option) {
+			if ($visibility === $ticket_visibility_option) {
+				$ticket_visibility = $visibility;
+			}
+		}
+		if ($ticket_visibility === -1) {
+			throw new DomainException(
+				sprintf(
+					esc_html__(
+						'The supplied ticket visibility setting of "%1$s" is not valid. It needs to match one of the keys in the following array:%2$s %3$s ',
+						'event_espresso'
+					),
+					$visibility,
+					'<br />',
+					var_export($ticket_visibility_options, true)
+				)
+			);
+		}
+		$this->set('TKT_visibility', $ticket_visibility);
+	}
+
+
+	/*******************************************************************
      ***********************  DEPRECATED METHODS  **********************
      *******************************************************************/
 
 
-    /**
-     * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
-     * associated datetimes.
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    public function increase_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->increaseSold($qty);
-    }
-
-
-    /**
-     * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
-     *
-     * @param int $qty positive or negative. Positive means to increase sold counts (and decrease reserved counts),
-     *                 Negative means to decreases old counts (and increase reserved counts).
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _increase_sold_for_datetimes($qty)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseSoldForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->increaseSoldForDatetimes($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
-     * DB and then updates the model objects.
-     * Does not affect the reserved counts.
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    public function decrease_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseSold($qty);
-    }
-
-
-    /**
-     * Decreases sold on related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _decrease_sold_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseSoldForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseSoldForDatetimes($qty);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param string $source
-     * @return bool whether we successfully reserved the ticket or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    public function increase_reserved($qty = 1, $source = 'unknown')
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReserved($qty);
-    }
-
-
-    /**
-     * Increases sold on related datetimes
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @deprecated 4.9.80.p
-     */
-    protected function _increase_reserved_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::increaseReservedForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReservedForDatetimes($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int    $qty
-     * @param bool   $adjust_datetimes
-     * @param string $source
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    public function decrease_reserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseReserved($qty);
-    }
-
-
-    /**
-     * Decreases reserved on related datetimes
-     *
-     * @param int $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @deprecated 4.9.80.p
-     */
-    protected function _decrease_reserved_for_datetimes($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Ticket::decreaseReservedForDatetimes() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        $this->decreaseReservedForDatetimes($qty);
-    }
+	/**
+	 * Increments sold by amount passed by $qty AND decrements the reserved count on both this ticket and its
+	 * associated datetimes.
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	public function increase_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->increaseSold($qty);
+	}
+
+
+	/**
+	 * On each datetime related to this ticket, increases its sold count and decreases its reserved count by $qty.
+	 *
+	 * @param int $qty positive or negative. Positive means to increase sold counts (and decrease reserved counts),
+	 *                 Negative means to decreases old counts (and increase reserved counts).
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _increase_sold_for_datetimes($qty)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseSoldForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->increaseSoldForDatetimes($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold by amount passed by $qty on both the ticket and its related datetimes directly in the
+	 * DB and then updates the model objects.
+	 * Does not affect the reserved counts.
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	public function decrease_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseSold($qty);
+	}
+
+
+	/**
+	 * Decreases sold on related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _decrease_sold_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseSoldForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseSoldForDatetimes($qty);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param string $source
+	 * @return bool whether we successfully reserved the ticket or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	public function increase_reserved($qty = 1, $source = 'unknown')
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReserved($qty);
+	}
+
+
+	/**
+	 * Increases sold on related datetimes
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _increase_reserved_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::increaseReservedForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReservedForDatetimes($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int    $qty
+	 * @param bool   $adjust_datetimes
+	 * @param string $source
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	public function decrease_reserved($qty = 1, $adjust_datetimes = true, $source = 'unknown')
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseReserved($qty);
+	}
+
+
+	/**
+	 * Decreases reserved on related datetimes
+	 *
+	 * @param int $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @deprecated 4.9.80.p
+	 */
+	protected function _decrease_reserved_for_datetimes($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Ticket::decreaseReservedForDatetimes() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		$this->decreaseReservedForDatetimes($qty);
+	}
 }

core/services/converters/date_time_formats/PhpToUnicode.php

Indentation +85 added lines, -85 removed lines

@@ -4,97 +4,97 @@
 
 class PhpToUnicode
 {
-    /**
-     * array where keys are PHP date format parameters
-     * and values are Unicode Date Format substitutions
-     */
-    public static $date_formats = [
-        // YEAR
-        'y' => 'yy',    // 00, 01, ..., 99
-        'Y' => 'yyyy',  // 2000, 2001, ..., 2099
-        'o' => 'GGGG',  // ISO "week-numbering year" 2000, 2001, ..., 2099
-        // MONTH
-        'M' => 'MMM',   // Jan, Feb, ..., Dec
-        'n' => 'M',     // 1, 2, ..., 12
-        'm' => 'MM',    // 01, 02, ..., 12
-        'F' => 'MMMM',  // January, February, ..., December
-        // DAY
-        'd' => 'dd',    // 01, 02, ..., 31
-        'D' => 'eee',   // Sun, Mon, ..., Sat
-        'jS' => 'do',   // 1st, 2nd, ..., 31st
-        'j' => 'd',     // 1, 2, ..., 31
-        'l' => 'eeee',  // Sunday, Monday, ..., Saturday
-        'N' => 'e',     // Day of week 0, 1, ..., 6
-        'w' => 'i',     // ISO Day of week 1, 2, ..., 7
-        'z' => 'D',   // day of the year 0 - 365 to 1 - 366
-        // WEEK
-        'W' => 'w',
-    ];
+	/**
+	 * array where keys are PHP date format parameters
+	 * and values are Unicode Date Format substitutions
+	 */
+	public static $date_formats = [
+		// YEAR
+		'y' => 'yy',    // 00, 01, ..., 99
+		'Y' => 'yyyy',  // 2000, 2001, ..., 2099
+		'o' => 'GGGG',  // ISO "week-numbering year" 2000, 2001, ..., 2099
+		// MONTH
+		'M' => 'MMM',   // Jan, Feb, ..., Dec
+		'n' => 'M',     // 1, 2, ..., 12
+		'm' => 'MM',    // 01, 02, ..., 12
+		'F' => 'MMMM',  // January, February, ..., December
+		// DAY
+		'd' => 'dd',    // 01, 02, ..., 31
+		'D' => 'eee',   // Sun, Mon, ..., Sat
+		'jS' => 'do',   // 1st, 2nd, ..., 31st
+		'j' => 'd',     // 1, 2, ..., 31
+		'l' => 'eeee',  // Sunday, Monday, ..., Saturday
+		'N' => 'e',     // Day of week 0, 1, ..., 6
+		'w' => 'i',     // ISO Day of week 1, 2, ..., 7
+		'z' => 'D',   // day of the year 0 - 365 to 1 - 366
+		// WEEK
+		'W' => 'w',
+	];
 
 
-    /**
-     * array where keys are PHP time format parameters
-     * and values are Unicode Time Format substitutions
-     */
-    public static $time_formats = [
-        // 'a' => 'a', // am, pm, no pecific JS alternative
-        'A' => 'a', // AM, PM
-        // HOUR
-        // convert "g" to an intermediary format
-        // to avoid its result getting replaced by "h"
-        'g' => '@',     // 1, 2, ..., 12
-        'h' => 'hh',    // 01, 02, ..., 12
-        '@' => 'h',     // 1, 2, ..., 12
-        'G' => '#',     // 0, 1, ... 23
-        'H' => 'HH',    // 00, 01, ... 23
-        '#' => 'H',     // 0, 1, ... 23
-        // MINUTES & SECONDS
-        'i' => 'mm',    // minutes 00, 01, ..., 59
-        's' => 'ss',    // seconds 00, 01, ..., 59
-        'v' => 'SSS',   // milliseconds 000, 001, ..., 999
-        'u' => 'SSS',   // microseconds (not in unicode) 000, 001, ..., 999
-    ];
+	/**
+	 * array where keys are PHP time format parameters
+	 * and values are Unicode Time Format substitutions
+	 */
+	public static $time_formats = [
+		// 'a' => 'a', // am, pm, no pecific JS alternative
+		'A' => 'a', // AM, PM
+		// HOUR
+		// convert "g" to an intermediary format
+		// to avoid its result getting replaced by "h"
+		'g' => '@',     // 1, 2, ..., 12
+		'h' => 'hh',    // 01, 02, ..., 12
+		'@' => 'h',     // 1, 2, ..., 12
+		'G' => '#',     // 0, 1, ... 23
+		'H' => 'HH',    // 00, 01, ... 23
+		'#' => 'H',     // 0, 1, ... 23
+		// MINUTES & SECONDS
+		'i' => 'mm',    // minutes 00, 01, ..., 59
+		's' => 'ss',    // seconds 00, 01, ..., 59
+		'v' => 'SSS',   // milliseconds 000, 001, ..., 999
+		'u' => 'SSS',   // microseconds (not in unicode) 000, 001, ..., 999
+	];
 
 
-    /**
-     * array where keys are PHP timezone format parameters
-     * and values are Unicode Timezone Format substitutions
-     */
-    public static $timezone_formats = [
-        'Z' => 'ZZ',    // -0100, +0000, ..., +1200
-        'e' => 'Z',     // Timezone identifier UTC, GMT, Atlantic/Azores to -01:00, +00:00, ... +12:00
-        'T' => 'Z',     // Timezone abbreviation EST, MDT to -01:00, +00:00, ... +12:00
-        'P' => 'Z',     // -01:00, +00:00, ... +12:00
-        'O' => 'ZZ',    // -0100, +0000, ..., +1200
-    ];
+	/**
+	 * array where keys are PHP timezone format parameters
+	 * and values are Unicode Timezone Format substitutions
+	 */
+	public static $timezone_formats = [
+		'Z' => 'ZZ',    // -0100, +0000, ..., +1200
+		'e' => 'Z',     // Timezone identifier UTC, GMT, Atlantic/Azores to -01:00, +00:00, ... +12:00
+		'T' => 'Z',     // Timezone abbreviation EST, MDT to -01:00, +00:00, ... +12:00
+		'P' => 'Z',     // -01:00, +00:00, ... +12:00
+		'O' => 'ZZ',    // -0100, +0000, ..., +1200
+	];
 
 
-    /**
-     * @param string $date_format
-     * @return string
-     */
-    public function convertDateFormat($date_format)
-    {
-        foreach (PhpToUnicode::$date_formats as $find => $replace) {
-            $date_format = (string) str_replace($find, $replace, $date_format);
-        }
-        return $date_format;
-    }
+	/**
+	 * @param string $date_format
+	 * @return string
+	 */
+	public function convertDateFormat($date_format)
+	{
+		foreach (PhpToUnicode::$date_formats as $find => $replace) {
+			$date_format = (string) str_replace($find, $replace, $date_format);
+		}
+		return $date_format;
+	}
 
 
-    /**
-     * @param string $time_format
-     * @return string
-     */
-    public function convertTimeFormat($time_format)
-    {
-        foreach (PhpToUnicode::$time_formats as $find => $replace) {
-            $time_format = (string) str_replace($find, $replace, $time_format);
-        }
-        // and just in case the timezone has been added
-        foreach (PhpToUnicode::$timezone_formats as $find => $replace) {
-            $time_format = (string) str_replace($find, $replace, $time_format);
-        }
-        return $time_format;
-    }
+	/**
+	 * @param string $time_format
+	 * @return string
+	 */
+	public function convertTimeFormat($time_format)
+	{
+		foreach (PhpToUnicode::$time_formats as $find => $replace) {
+			$time_format = (string) str_replace($find, $replace, $time_format);
+		}
+		// and just in case the timezone has been added
+		foreach (PhpToUnicode::$timezone_formats as $find => $replace) {
+			$time_format = (string) str_replace($find, $replace, $time_format);
+		}
+		return $time_format;
+	}
 }

Spacing +30 added lines, -30 removed lines

@@ -10,23 +10,23 @@ 
      */
     public static $date_formats = [
         // YEAR
-        'y' => 'yy',    // 00, 01, ..., 99
-        'Y' => 'yyyy',  // 2000, 2001, ..., 2099
-        'o' => 'GGGG',  // ISO "week-numbering year" 2000, 2001, ..., 2099
+        'y' => 'yy', // 00, 01, ..., 99
+        'Y' => 'yyyy', // 2000, 2001, ..., 2099
+        'o' => 'GGGG', // ISO "week-numbering year" 2000, 2001, ..., 2099
         // MONTH
-        'M' => 'MMM',   // Jan, Feb, ..., Dec
-        'n' => 'M',     // 1, 2, ..., 12
-        'm' => 'MM',    // 01, 02, ..., 12
-        'F' => 'MMMM',  // January, February, ..., December
+        'M' => 'MMM', // Jan, Feb, ..., Dec
+        'n' => 'M', // 1, 2, ..., 12
+        'm' => 'MM', // 01, 02, ..., 12
+        'F' => 'MMMM', // January, February, ..., December
         // DAY
-        'd' => 'dd',    // 01, 02, ..., 31
-        'D' => 'eee',   // Sun, Mon, ..., Sat
-        'jS' => 'do',   // 1st, 2nd, ..., 31st
-        'j' => 'd',     // 1, 2, ..., 31
-        'l' => 'eeee',  // Sunday, Monday, ..., Saturday
-        'N' => 'e',     // Day of week 0, 1, ..., 6
-        'w' => 'i',     // ISO Day of week 1, 2, ..., 7
-        'z' => 'D',   // day of the year 0 - 365 to 1 - 366
+        'd' => 'dd', // 01, 02, ..., 31
+        'D' => 'eee', // Sun, Mon, ..., Sat
+        'jS' => 'do', // 1st, 2nd, ..., 31st
+        'j' => 'd', // 1, 2, ..., 31
+        'l' => 'eeee', // Sunday, Monday, ..., Saturday
+        'N' => 'e', // Day of week 0, 1, ..., 6
+        'w' => 'i', // ISO Day of week 1, 2, ..., 7
+        'z' => 'D', // day of the year 0 - 365 to 1 - 366
         // WEEK
         'W' => 'w',
     ];
@@ -42,17 +42,17 @@ 
         // HOUR
         // convert "g" to an intermediary format
         // to avoid its result getting replaced by "h"
-        'g' => '@',     // 1, 2, ..., 12
-        'h' => 'hh',    // 01, 02, ..., 12
-        '@' => 'h',     // 1, 2, ..., 12
-        'G' => '#',     // 0, 1, ... 23
-        'H' => 'HH',    // 00, 01, ... 23
-        '#' => 'H',     // 0, 1, ... 23
+        'g' => '@', // 1, 2, ..., 12
+        'h' => 'hh', // 01, 02, ..., 12
+        '@' => 'h', // 1, 2, ..., 12
+        'G' => '#', // 0, 1, ... 23
+        'H' => 'HH', // 00, 01, ... 23
+        '#' => 'H', // 0, 1, ... 23
         // MINUTES & SECONDS
-        'i' => 'mm',    // minutes 00, 01, ..., 59
-        's' => 'ss',    // seconds 00, 01, ..., 59
-        'v' => 'SSS',   // milliseconds 000, 001, ..., 999
-        'u' => 'SSS',   // microseconds (not in unicode) 000, 001, ..., 999
+        'i' => 'mm', // minutes 00, 01, ..., 59
+        's' => 'ss', // seconds 00, 01, ..., 59
+        'v' => 'SSS', // milliseconds 000, 001, ..., 999
+        'u' => 'SSS', // microseconds (not in unicode) 000, 001, ..., 999
     ];
 
 
@@ -61,11 +61,11 @@ 
      * and values are Unicode Timezone Format substitutions
      */
     public static $timezone_formats = [
-        'Z' => 'ZZ',    // -0100, +0000, ..., +1200
-        'e' => 'Z',     // Timezone identifier UTC, GMT, Atlantic/Azores to -01:00, +00:00, ... +12:00
-        'T' => 'Z',     // Timezone abbreviation EST, MDT to -01:00, +00:00, ... +12:00
-        'P' => 'Z',     // -01:00, +00:00, ... +12:00
-        'O' => 'ZZ',    // -0100, +0000, ..., +1200
+        'Z' => 'ZZ', // -0100, +0000, ..., +1200
+        'e' => 'Z', // Timezone identifier UTC, GMT, Atlantic/Azores to -01:00, +00:00, ... +12:00
+        'T' => 'Z', // Timezone abbreviation EST, MDT to -01:00, +00:00, ... +12:00
+        'P' => 'Z', // -01:00, +00:00, ... +12:00
+        'O' => 'ZZ', // -0100, +0000, ..., +1200
     ];
 
 

core/domain/entities/routing/data_nodes/core/GeneralSettings.php

Indentation +33 added lines, -33 removed lines

@@ -16,37 +16,37 @@
 class GeneralSettings extends JsonDataNode
 {
 
-    const NODE_NAME = 'generalSettings';
-
-    /**
-     * @var PhpToUnicode $converter
-    */
-    private $converter;
-
-
-    /**
-     * @param JsonDataNodeValidator $validator
-     * @param PhpToUnicode $converter
-     */
-    public function __construct(JsonDataNodeValidator $validator, PhpToUnicode $converter)
-    {
-        $this->converter = $converter;
-        parent::__construct($validator);
-        $this->setNodeName(GeneralSettings::NODE_NAME);
-    }
-
-
-    /**
-     * @inheritDoc
-     */
-    public function initialize()
-    {
-        $wpDateFormat = get_option('date_format');
-        $wpTimeFormat = get_option('time_format');
-        $this->addData('dateFormat', $this->converter->convertDateFormat($wpDateFormat));
-        $this->addData('timeFormat', $this->converter->convertTimeFormat($wpTimeFormat));
-        $this->addData('timezone', get_option('timezone_string'));
-        $this->addData('__typename', 'GeneralSettings');
-        $this->setInitialized(true);
-    }
+	const NODE_NAME = 'generalSettings';
+
+	/**
+	 * @var PhpToUnicode $converter
+	 */
+	private $converter;
+
+
+	/**
+	 * @param JsonDataNodeValidator $validator
+	 * @param PhpToUnicode $converter
+	 */
+	public function __construct(JsonDataNodeValidator $validator, PhpToUnicode $converter)
+	{
+		$this->converter = $converter;
+		parent::__construct($validator);
+		$this->setNodeName(GeneralSettings::NODE_NAME);
+	}
+
+
+	/**
+	 * @inheritDoc
+	 */
+	public function initialize()
+	{
+		$wpDateFormat = get_option('date_format');
+		$wpTimeFormat = get_option('time_format');
+		$this->addData('dateFormat', $this->converter->convertDateFormat($wpDateFormat));
+		$this->addData('timeFormat', $this->converter->convertTimeFormat($wpTimeFormat));
+		$this->addData('timezone', get_option('timezone_string'));
+		$this->addData('__typename', 'GeneralSettings');
+		$this->setInitialized(true);
+	}
 }

core/domain/services/assets/EspressoLegacyAdminAssetManager.php

Spacing +20 added lines, -20 removed lines

@@ -74,7 +74,7 @@ 
     {
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DIALOG,
-            EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
+            EE_ADMIN_URL.'assets/ee-dialog-helper.js',
             [
                 JqueryAssetManager::JS_HANDLE_JQUERY,
                 JqueryAssetManager::JS_HANDLE_JQUERY_UI_DRAGGABLE,
@@ -83,7 +83,7 @@ 
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
-            EE_ADMIN_URL . 'assets/ee-admin-page.js',
+            EE_ADMIN_URL.'assets/ee-admin-page.js',
             [
                 CoreAssetManager::JS_HANDLE_CORE,
                 EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
@@ -94,7 +94,7 @@ 
         // script for sorting tables
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_AJAX_TABLE_SORTING,
-            EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
+            EE_ADMIN_URL.'assets/espresso_ajax_table_sorting.js',
             [
                 EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
                 JqueryAssetManager::JS_HANDLE_JQUERY_UI_SORTABLE,
@@ -104,13 +104,13 @@ 
         // script for parsing uri's
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
-            EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js'
+            EE_GLOBAL_ASSETS_URL.'scripts/parseuri.js'
         );
 
         // and parsing associative serialized form elements
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_SERIALIZE_FULL_ARRAY,
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/jquery.serializefullarray.js',
             [JqueryAssetManager::JS_HANDLE_JQUERY]
 
         );
@@ -118,24 +118,24 @@ 
         // helpers scripts
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_TEXT_LINKS,
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
+            EE_PLUGIN_DIR_URL.'core/helpers/assets/ee_text_list_helper.js',
             [JqueryAssetManager::JS_HANDLE_JQUERY]
         );
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE,
-            EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js'
+            EE_THIRD_PARTY_URL.'moment/moment-with-locales.min.js'
         );
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
-            EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
+            EE_THIRD_PARTY_URL.'moment/moment-timezone-with-data.min.js',
             [EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE]
         );
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DATEPICKER,
-            EE_ADMIN_URL . 'assets/ee-datepicker.js',
+            EE_ADMIN_URL.'assets/ee-datepicker.js',
             [
                 JqueryAssetManager::JS_HANDLE_JQUERY_UI_TIMEPICKER_ADDON,
                 EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
@@ -153,7 +153,7 @@ 
         //ie: only injecting on certain script calls.
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_INJECT_WP,
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+            EE_ADMIN_URL.'assets/ee-cpt-wp-injects.js',
             [JqueryAssetManager::JS_HANDLE_JQUERY]
         );
 
@@ -161,13 +161,13 @@ 
 
         // joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook,
         // can be turned back on again via: add_filter('FHEE_load_joyride', '__return_true' );
-        if (! $joyride) {
+        if ( ! $joyride) {
             return;
         }
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
-            EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
+            EE_THIRD_PARTY_URL.'joyride/modernizr.mq.js',
             [],
             true,
             '2.1'
@@ -176,7 +176,7 @@ 
         // wanna go for a joyride?
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
-            EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+            EE_THIRD_PARTY_URL.'joyride/jquery.joyride-2.1.js',
             [
                 JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE,
                 EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
@@ -187,7 +187,7 @@ 
 
         $this->addJavascript(
             EspressoLegacyAdminAssetManager::JS_HANDLE_EE_HELP_TOUR,
-            EE_ADMIN_URL . 'assets/ee-help-tour.js',
+            EE_ADMIN_URL.'assets/ee-help-tour.js',
             [
                 EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
             ],
@@ -207,26 +207,26 @@ 
 
         $this->addStylesheet(
             EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_UI_THEME,
-            EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css'
+            EE_GLOBAL_ASSETS_URL.'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css'
         );
 
         $this->addStylesheet(
             EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_TEXT_LINKS,
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css'
+            EE_PLUGIN_DIR_URL.'core/helpers/assets/ee_text_list_helper.css'
         );
 
         $this->addStylesheet(
             EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_ADMIN,
-            EE_ADMIN_URL . 'assets/ee-admin-page.css'
+            EE_ADMIN_URL.'assets/ee-admin-page.css'
         )->setEnqueueImmediately();
 
-        if (! $joyride) {
+        if ( ! $joyride) {
             return;
         }
         // joyride style
         $this->addStylesheet(
             EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE,
-            EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css',
+            EE_THIRD_PARTY_URL.'joyride/joyride-2.1.css',
             [],
             'all',
             '2.1'
@@ -234,7 +234,7 @@ 
 
         $this->addStylesheet(
             EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_JOYRIDE,
-            EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
+            EE_GLOBAL_ASSETS_URL.'css/ee-joyride-styles.css',
             [EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE],
             'all',
             EVENT_ESPRESSO_VERSION

Indentation +225 added lines, -225 removed lines

@@ -15,245 +15,245 @@
 class EspressoLegacyAdminAssetManager extends AssetManager
 {
 
-    const JS_HANDLE_EE_ADMIN                = 'ee_admin_js';
+	const JS_HANDLE_EE_ADMIN                = 'ee_admin_js';
 
-    const JS_HANDLE_EE_AJAX_TABLE_SORTING   = 'espresso_ajax_table_sorting';
+	const JS_HANDLE_EE_AJAX_TABLE_SORTING   = 'espresso_ajax_table_sorting';
 
-    const JS_HANDLE_EE_DATEPICKER           = 'ee-datepicker';
+	const JS_HANDLE_EE_DATEPICKER           = 'ee-datepicker';
 
-    const JS_HANDLE_EE_DIALOG               = 'ee-dialog';
+	const JS_HANDLE_EE_DIALOG               = 'ee-dialog';
 
-    const JS_HANDLE_EE_HELP_TOUR            = 'ee-help-tour';
+	const JS_HANDLE_EE_HELP_TOUR            = 'ee-help-tour';
 
-    const JS_HANDLE_EE_INJECT_WP            = 'ee-inject-wp';
+	const JS_HANDLE_EE_INJECT_WP            = 'ee-inject-wp';
 
-    const JS_HANDLE_GOOGLE_CHARTS           = 'google-charts';
+	const JS_HANDLE_GOOGLE_CHARTS           = 'google-charts';
 
-    const JS_HANDLE_MOMENT                  = 'ee-moment';
+	const JS_HANDLE_MOMENT                  = 'ee-moment';
 
-    const JS_HANDLE_MOMENT_CORE             = 'ee-moment-core';
+	const JS_HANDLE_MOMENT_CORE             = 'ee-moment-core';
 
-    const JS_HANDLE_PARSE_URI               = 'ee-parse-uri';
+	const JS_HANDLE_PARSE_URI               = 'ee-parse-uri';
 
-    const JS_HANDLE_EE_TEXT_LINKS           = 'ee-text-links';
+	const JS_HANDLE_EE_TEXT_LINKS           = 'ee-text-links';
 
-    const JS_HANDLE_EE_SERIALIZE_FULL_ARRAY = 'ee-serialize-full-array';
+	const JS_HANDLE_EE_SERIALIZE_FULL_ARRAY = 'ee-serialize-full-array';
 
-    const JS_HANDLE_JOYRIDE_MODERNIZR       = 'joyride-modernizr';
+	const JS_HANDLE_JOYRIDE_MODERNIZR       = 'joyride-modernizr';
 
-    const JS_HANDLE_JQUERY_JOYRIDE          = 'jquery-joyride';
+	const JS_HANDLE_JQUERY_JOYRIDE          = 'jquery-joyride';
 
-    const CSS_HANDLE_EE_ADMIN               = 'ee-admin-css';
+	const CSS_HANDLE_EE_ADMIN               = 'ee-admin-css';
 
-    const CSS_HANDLE_EE_JOYRIDE             = 'ee-joyride-css';
-
-    const CSS_HANDLE_EE_TEXT_LINKS          = 'ee-text-links';
+	const CSS_HANDLE_EE_JOYRIDE             = 'ee-joyride-css';
+
+	const CSS_HANDLE_EE_TEXT_LINKS          = 'ee-text-links';
 
-    const CSS_HANDLE_EE_UI_THEME            = 'espresso-ui-theme';
-
-    const CSS_HANDLE_JOYRIDE                = 'joyride-css';
-
-
-    /**
-     * @inheritDoc
-     */
-    public function addAssets()
-    {
-        $joyride = filter_var(apply_filters('FHEE_load_joyride', false), FILTER_VALIDATE_BOOLEAN);
-        $this->registerJavascript($joyride);
-        $this->registerStyleSheets($joyride);
-    }
-
-
-    /**
-     * Register javascript assets
-     *
-     * @param bool $joyride
-     */
-    private function registerJavascript($joyride = false)
-    {
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DIALOG,
-            EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
-            [
-                JqueryAssetManager::JS_HANDLE_JQUERY,
-                JqueryAssetManager::JS_HANDLE_JQUERY_UI_DRAGGABLE,
-            ]
-        );
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
-            EE_ADMIN_URL . 'assets/ee-admin-page.js',
-            [
-                CoreAssetManager::JS_HANDLE_CORE,
-                EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
-                EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DIALOG,
-            ]
-        );
-
-        // script for sorting tables
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_AJAX_TABLE_SORTING,
-            EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
-            [
-                EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
-                JqueryAssetManager::JS_HANDLE_JQUERY_UI_SORTABLE,
-            ]
-        );
-
-        // script for parsing uri's
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
-            EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js'
-        );
-
-        // and parsing associative serialized form elements
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_SERIALIZE_FULL_ARRAY,
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
-            [JqueryAssetManager::JS_HANDLE_JQUERY]
-
-        );
-
-        // helpers scripts
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_TEXT_LINKS,
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
-            [JqueryAssetManager::JS_HANDLE_JQUERY]
-        );
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE,
-            EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js'
-        );
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
-            EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
-            [EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE]
-        );
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DATEPICKER,
-            EE_ADMIN_URL . 'assets/ee-datepicker.js',
-            [
-                JqueryAssetManager::JS_HANDLE_JQUERY_UI_TIMEPICKER_ADDON,
-                EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
-            ]
-        );
-
-        // google charts
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_GOOGLE_CHARTS,
-            'https://www.gstatic.com/charts/loader.js'
-        );
-
-        // this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
-        // Note: the intention of this script is to only do TARGETED injections.
-        //ie: only injecting on certain script calls.
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_INJECT_WP,
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
-            [JqueryAssetManager::JS_HANDLE_JQUERY]
-        );
-
-        $this->loadQtipJs();
-
-        // joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook,
-        // can be turned back on again via: add_filter('FHEE_load_joyride', '__return_true' );
-        if (! $joyride) {
-            return;
-        }
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
-            EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
-            [],
-            true,
-            '2.1'
-        );
-
-        // wanna go for a joyride?
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
-            EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
-            [
-                JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE,
-                EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
-            ],
-            true,
-            '2.1'
-        )->setEnqueueImmediately();
-
-        $this->addJavascript(
-            EspressoLegacyAdminAssetManager::JS_HANDLE_EE_HELP_TOUR,
-            EE_ADMIN_URL . 'assets/ee-help-tour.js',
-            [
-                EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
-            ],
-            true,
-            '2.1'
-        )->setEnqueueImmediately();
-    }
-
-
-    /**
-     * Register CSS assets.
-     *
-     * @param bool $joyride
-     */
-    private function registerStyleSheets($joyride = false)
-    {
-
-        $this->addStylesheet(
-            EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_UI_THEME,
-            EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css'
-        );
-
-        $this->addStylesheet(
-            EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_TEXT_LINKS,
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css'
-        );
-
-        $this->addStylesheet(
-            EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_ADMIN,
-            EE_ADMIN_URL . 'assets/ee-admin-page.css'
-        )->setEnqueueImmediately();
-
-        if (! $joyride) {
-            return;
-        }
-        // joyride style
-        $this->addStylesheet(
-            EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE,
-            EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css',
-            [],
-            'all',
-            '2.1'
-        );
-
-        $this->addStylesheet(
-            EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_JOYRIDE,
-            EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
-            [EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE],
-            'all',
-            EVENT_ESPRESSO_VERSION
-        )->setEnqueueImmediately();
-    }
-
-
-    /**
-     * registers assets for cleaning your ears
-     */
-    public function loadQtipJs()
-    {
-        // qtip is turned OFF by default, but prior to the wp_enqueue_scripts hook,
-        // can be turned back on again via: add_filter('FHEE_load_qtip', '__return_true' );
-        if (apply_filters('FHEE_load_qtip', false)) {
-            $qtip_loader = EEH_Qtip_Loader::instance();
-            if ($qtip_loader instanceof EEH_Qtip_Loader) {
-                $qtip_loader->register_and_enqueue();
-            }
-        }
-    }
+	const CSS_HANDLE_EE_UI_THEME            = 'espresso-ui-theme';
+
+	const CSS_HANDLE_JOYRIDE                = 'joyride-css';
+
+
+	/**
+	 * @inheritDoc
+	 */
+	public function addAssets()
+	{
+		$joyride = filter_var(apply_filters('FHEE_load_joyride', false), FILTER_VALIDATE_BOOLEAN);
+		$this->registerJavascript($joyride);
+		$this->registerStyleSheets($joyride);
+	}
+
+
+	/**
+	 * Register javascript assets
+	 *
+	 * @param bool $joyride
+	 */
+	private function registerJavascript($joyride = false)
+	{
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DIALOG,
+			EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
+			[
+				JqueryAssetManager::JS_HANDLE_JQUERY,
+				JqueryAssetManager::JS_HANDLE_JQUERY_UI_DRAGGABLE,
+			]
+		);
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
+			EE_ADMIN_URL . 'assets/ee-admin-page.js',
+			[
+				CoreAssetManager::JS_HANDLE_CORE,
+				EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
+				EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DIALOG,
+			]
+		);
+
+		// script for sorting tables
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_AJAX_TABLE_SORTING,
+			EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
+			[
+				EspressoLegacyAdminAssetManager::JS_HANDLE_EE_ADMIN,
+				JqueryAssetManager::JS_HANDLE_JQUERY_UI_SORTABLE,
+			]
+		);
+
+		// script for parsing uri's
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_PARSE_URI,
+			EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js'
+		);
+
+		// and parsing associative serialized form elements
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_SERIALIZE_FULL_ARRAY,
+			EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
+			[JqueryAssetManager::JS_HANDLE_JQUERY]
+
+		);
+
+		// helpers scripts
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_TEXT_LINKS,
+			EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
+			[JqueryAssetManager::JS_HANDLE_JQUERY]
+		);
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE,
+			EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js'
+		);
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
+			EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
+			[EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT_CORE]
+		);
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_DATEPICKER,
+			EE_ADMIN_URL . 'assets/ee-datepicker.js',
+			[
+				JqueryAssetManager::JS_HANDLE_JQUERY_UI_TIMEPICKER_ADDON,
+				EspressoLegacyAdminAssetManager::JS_HANDLE_MOMENT,
+			]
+		);
+
+		// google charts
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_GOOGLE_CHARTS,
+			'https://www.gstatic.com/charts/loader.js'
+		);
+
+		// this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
+		// Note: the intention of this script is to only do TARGETED injections.
+		//ie: only injecting on certain script calls.
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_INJECT_WP,
+			EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+			[JqueryAssetManager::JS_HANDLE_JQUERY]
+		);
+
+		$this->loadQtipJs();
+
+		// joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook,
+		// can be turned back on again via: add_filter('FHEE_load_joyride', '__return_true' );
+		if (! $joyride) {
+			return;
+		}
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
+			EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
+			[],
+			true,
+			'2.1'
+		);
+
+		// wanna go for a joyride?
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
+			EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+			[
+				JqueryAssetManager::JS_HANDLE_JQUERY_COOKIE,
+				EspressoLegacyAdminAssetManager::JS_HANDLE_JOYRIDE_MODERNIZR,
+			],
+			true,
+			'2.1'
+		)->setEnqueueImmediately();
+
+		$this->addJavascript(
+			EspressoLegacyAdminAssetManager::JS_HANDLE_EE_HELP_TOUR,
+			EE_ADMIN_URL . 'assets/ee-help-tour.js',
+			[
+				EspressoLegacyAdminAssetManager::JS_HANDLE_JQUERY_JOYRIDE,
+			],
+			true,
+			'2.1'
+		)->setEnqueueImmediately();
+	}
+
+
+	/**
+	 * Register CSS assets.
+	 *
+	 * @param bool $joyride
+	 */
+	private function registerStyleSheets($joyride = false)
+	{
+
+		$this->addStylesheet(
+			EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_UI_THEME,
+			EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css'
+		);
+
+		$this->addStylesheet(
+			EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_TEXT_LINKS,
+			EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css'
+		);
+
+		$this->addStylesheet(
+			EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_ADMIN,
+			EE_ADMIN_URL . 'assets/ee-admin-page.css'
+		)->setEnqueueImmediately();
+
+		if (! $joyride) {
+			return;
+		}
+		// joyride style
+		$this->addStylesheet(
+			EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE,
+			EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css',
+			[],
+			'all',
+			'2.1'
+		);
+
+		$this->addStylesheet(
+			EspressoLegacyAdminAssetManager::CSS_HANDLE_EE_JOYRIDE,
+			EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
+			[EspressoLegacyAdminAssetManager::CSS_HANDLE_JOYRIDE],
+			'all',
+			EVENT_ESPRESSO_VERSION
+		)->setEnqueueImmediately();
+	}
+
+
+	/**
+	 * registers assets for cleaning your ears
+	 */
+	public function loadQtipJs()
+	{
+		// qtip is turned OFF by default, but prior to the wp_enqueue_scripts hook,
+		// can be turned back on again via: add_filter('FHEE_load_qtip', '__return_true' );
+		if (apply_filters('FHEE_load_qtip', false)) {
+			$qtip_loader = EEH_Qtip_Loader::instance();
+			if ($qtip_loader instanceof EEH_Qtip_Loader) {
+				$qtip_loader->register_and_enqueue();
+			}
+		}
+	}
 }

core/services/assets/AssetManagerInterface.php

Indentation +61 added lines, -61 removed lines

@@ -18,75 +18,75 @@
  */
 interface AssetManagerInterface
 {
-    /**
-     * @since 4.9.71.p
-     * @return string
-     */
-    public function assetNamespace();
+	/**
+	 * @since 4.9.71.p
+	 * @return string
+	 */
+	public function assetNamespace();
 
-    /**
-     * @since 4.9.62.p
-     */
-    public function addAssets();
+	/**
+	 * @since 4.9.62.p
+	 */
+	public function addAssets();
 
 
-    /**
-     * @param string $handle
-     * @param string $source
-     * @param array  $dependencies
-     * @param bool   $load_in_footer
-     * @return JavascriptAsset
-     * @throws DuplicateCollectionIdentifierException
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @since 4.9.62.p
-     */
-    public function addJavascript(
-        $handle,
-        $source,
-        array $dependencies = array(),
-        $load_in_footer = true
-    );
+	/**
+	 * @param string $handle
+	 * @param string $source
+	 * @param array  $dependencies
+	 * @param bool   $load_in_footer
+	 * @return JavascriptAsset
+	 * @throws DuplicateCollectionIdentifierException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @since 4.9.62.p
+	 */
+	public function addJavascript(
+		$handle,
+		$source,
+		array $dependencies = array(),
+		$load_in_footer = true
+	);
 
 
-    /**
-     * @since 4.9.71.p
-     * @param string $handle
-     * @param array  $dependencies
-     * @param bool   $load_in_footer
-     * @return JavascriptAsset
-     */
-    public function addVendorJavascript(
-        $handle,
-        array $dependencies = array(),
-        $load_in_footer = true
-    );
+	/**
+	 * @since 4.9.71.p
+	 * @param string $handle
+	 * @param array  $dependencies
+	 * @param bool   $load_in_footer
+	 * @return JavascriptAsset
+	 */
+	public function addVendorJavascript(
+		$handle,
+		array $dependencies = array(),
+		$load_in_footer = true
+	);
 
 
 
-    /**
-     * @param string $handle
-     * @param string $source
-     * @param array  $dependencies
-     * @param string $media
-     * @return StylesheetAsset
-     * @throws DuplicateCollectionIdentifierException
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @since 4.9.62.p
-     */
-    public function addStylesheet(
-        $handle,
-        $source,
-        array $dependencies = array(),
-        $media = 'all'
-    );
+	/**
+	 * @param string $handle
+	 * @param string $source
+	 * @param array  $dependencies
+	 * @param string $media
+	 * @return StylesheetAsset
+	 * @throws DuplicateCollectionIdentifierException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @since 4.9.62.p
+	 */
+	public function addStylesheet(
+		$handle,
+		$source,
+		array $dependencies = array(),
+		$media = 'all'
+	);
 
 
-    /**
-     * @param string $handle
-     * @return bool
-     * @since 4.9.62.p
-     */
-    public function enqueueAsset($handle);
+	/**
+	 * @param string $handle
+	 * @return bool
+	 * @since 4.9.62.p
+	 */
+	public function enqueueAsset($handle);
 }

core/domain/values/assets/ManifestFile.php

Indentation +28 added lines, -28 removed lines

@@ -16,32 +16,32 @@
 class ManifestFile extends Asset
 {
 
-    /**
-     * Asset constructor.
-     *
-     * @param DomainInterface $domain
-     * @throws InvalidDataTypeException
-     */
-    public function __construct(DomainInterface $domain)
-    {
-        parent::__construct(Asset::TYPE_MANIFEST, $domain->assetNamespace(), $domain);
-    }
-
-
-    /**
-     * @return string
-     */
-    public function urlBase()
-    {
-        return $this->domain->distributionAssetsUrl();
-    }
-
-
-    /**
-     * @return string
-     */
-    public function filepath()
-    {
-        return $this->domain->distributionAssetsPath();
-    }
+	/**
+	 * Asset constructor.
+	 *
+	 * @param DomainInterface $domain
+	 * @throws InvalidDataTypeException
+	 */
+	public function __construct(DomainInterface $domain)
+	{
+		parent::__construct(Asset::TYPE_MANIFEST, $domain->assetNamespace(), $domain);
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function urlBase()
+	{
+		return $this->domain->distributionAssetsUrl();
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function filepath()
+	{
+		return $this->domain->distributionAssetsPath();
+	}
 }

core/services/factory/StaticFactoryInterface.php

Indentation +6 added lines, -6 removed lines

@@ -11,10 +11,10 @@
 interface StaticFactoryInterface
 {
 
-    /**
-     * @param string $fqcn      Fully Qualified Class Name
-     * @param array  $arguments [optional] array of data required for construction
-     * @return mixed
-     */
-    public static function create($fqcn, array $arguments = []);
+	/**
+	 * @param string $fqcn      Fully Qualified Class Name
+	 * @param array  $arguments [optional] array of data required for construction
+	 * @return mixed
+	 */
+	public static function create($fqcn, array $arguments = []);
 }