eventespresso / event-espresso-core

core/services/collections/CollectionDetails.php

Indentation +349 added lines, -349 removed lines

@@ -43,353 +43,353 @@
 class CollectionDetails implements CollectionDetailsInterface
 {
 
-    /**
-     * if $identifier_type is set to this,
-     * then the collection will use each object's spl_object_hash() as it's identifier
-     */
-    const ID_OBJECT_HASH = 'identifier-uses-spl-object-hash';
-
-    /**
-     * if $identifier_type is set to this,
-     * then the collection will use each object's class name as it's identifier
-     */
-    const ID_CLASS_NAME = 'identifier-uses-object-class-name';
-
-    /**
-     * if $identifier_type is set to this,
-     * then the collection will use the return value from a specified callback method on each object
-     */
-    const ID_CALLBACK_METHOD = 'identifier-uses-callback-method';
-
-    /**
-     * The interface used for controlling what gets added to the collection
-     *
-     * @var string $collection_interface
-     */
-    protected $collection_interface = '';
-
-    /**
-     * a unique name used to identify the collection in filter names
-     * supplied value is run through sanitize_title_with_dashes(),
-     * but then also converts dashes to underscores
-     *
-     * @var string $collection_name
-     */
-    protected $collection_name = '';
-
-    /**
-     * what the collection uses for the object identifier.
-     * corresponds to one of the class constants above.
-     * CollectionDetails::ID_OBJECT_HASH will use spl_object_hash( object ) for the identifier
-     * CollectionDetails::ID_CLASS_NAME will use get_class( object ) for the identifier
-     * CollectionDetails::ID_CALLBACK_METHOD will use a callback for the identifier
-     * defaults to using spl_object_hash() so that multiple objects of the same class can be added
-     *
-     * @var string $identifier_type
-     */
-    protected $identifier_type = CollectionDetails::ID_OBJECT_HASH;
-
-    /**
-     * the pattern applied to paths when searching for class files to add to the collection
-     * ie: "My_Awesome_*.class.php"
-     * defaults to "*.php"
-     *
-     * @var string $file_mask
-     */
-    protected $file_mask = '';
-
-    /**
-     * if the $identifier_type above is set to CollectionDetails::ID_CALLBACK_METHOD,
-     * then this specifies the method to use on each entity.
-     * If the callback method does not exist, then an exception will be thrown
-     *
-     * @var string $identifier_callback
-     */
-    protected $identifier_callback = '';
-
-    /**
-     * an array of Fully Qualified Class Names
-     *  for example:
-     *  $FQCNs = array(
-     *      '/Fully/Qualified/ClassNameA'
-     *      '/Fully/Qualified/Other/ClassNameB'
-     *  );
-     *
-     * @var array $collection_FQCNs
-     */
-    protected $collection_FQCNs = array();
-
-    /**
-     * an array of full server paths to folders containing files to be loaded into collection
-     *  for example:
-     *  $paths = array(
-     *      '/full/server/path/to/ClassNameA.ext.php' // for class ClassNameA
-     *      '/full/server/path/to/other/ClassNameB.php' // for class ClassNameB
-     *  );
-     *
-     * @var array $collection_paths
-     */
-    protected $collection_paths = array();
-
-    /**
-     * @var LocatorInterface $file_locator
-     */
-    protected $file_locator;
-
-
-    /**
-     * CollectionDetails constructor.
-     *
-     * @access public
-     * @param string           $collection_name
-     * @param string           $collection_interface
-     * @param array            $collection_FQCNs
-     * @param array            $collection_paths
-     * @param string           $file_mask
-     * @param string           $identifier_type
-     * @param string           $identifier_callback
-     * @param LocatorInterface $file_locator
-     * @throws CollectionDetailsException
-     */
-    public function __construct(
-        $collection_name,
-        $collection_interface,
-        array $collection_FQCNs = array(),
-        array $collection_paths = array(),
-        $file_mask = '',
-        $identifier_type = CollectionDetails::ID_OBJECT_HASH,
-        $identifier_callback = '',
-        LocatorInterface $file_locator = null
-    ) {
-        try {
-            $this->setCollectionName($collection_name);
-            $this->setCollectionInterface($collection_interface);
-            $this->setCollectionFQCNs($collection_FQCNs);
-            $this->setCollectionPaths($collection_paths);
-            $this->setFileMasks($file_mask);
-            $this->setIdentifierType($identifier_type);
-            $this->setIdentifierCallback($identifier_callback);
-            $this->file_locator = $file_locator;
-        } catch (Exception $exception) {
-            throw new CollectionDetailsException($exception);
-        }
-    }
-
-
-    /**
-     * @access public
-     * @return mixed
-     */
-    public function getCollectionInterface()
-    {
-        return $this->collection_interface;
-    }
-
-
-    /**
-     * @access protected
-     * @param string $collection_interface
-     * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
-     */
-    protected function setCollectionInterface($collection_interface)
-    {
-        if (! (interface_exists($collection_interface) || class_exists($collection_interface))) {
-            throw new InvalidInterfaceException($collection_interface);
-        }
-        $this->collection_interface = $collection_interface;
-    }
-
-
-    /**
-     * the collection name will be used for creating dynamic filters
-     *
-     * @access public
-     * @return string
-     */
-    public function collectionName()
-    {
-        return $this->collection_name;
-    }
-
-
-    /**
-     * sanitizes collection name and converts spaces and dashes to underscores
-     *
-     * @access protected
-     * @param string $collection_name
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     */
-    protected function setCollectionName($collection_name)
-    {
-        if (! is_string($collection_name)) {
-            throw new InvalidDataTypeException('$collection_name', $collection_name, 'string');
-        }
-        $this->collection_name = str_replace(
-            '-',
-            '_',
-            sanitize_title_with_dashes($collection_name, '', 'save')
-        );
-    }
-
-
-    /**
-     * @access public
-     * @return string
-     */
-    public function identifierType()
-    {
-        return $this->identifier_type;
-    }
-
-
-    /**
-     * @access protected
-     * @param string $identifier_type
-     * @throws InvalidIdentifierException
-     */
-    protected function setIdentifierType($identifier_type)
-    {
-        if (
-            ! ($identifier_type === CollectionDetails::ID_CLASS_NAME
-               || $identifier_type === CollectionDetails::ID_OBJECT_HASH
-               || $identifier_type === CollectionDetails::ID_CALLBACK_METHOD
-            )
-        ) {
-            throw new InvalidIdentifierException(
-                $identifier_type,
-                'CollectionDetails::ID_CLASS_NAME or CollectionDetails::ID_OBJECT_HASH or CollectionDetails::ID_CALLBACK_METHOD'
-            );
-        }
-        $this->identifier_type = $identifier_type;
-    }
-
-
-    /**
-     * @access public
-     * @return string
-     */
-    public function identifierCallback()
-    {
-        return $this->identifier_callback;
-    }
-
-
-    /**
-     * @access protected
-     * @param string $identifier_callback
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     */
-    protected function setIdentifierCallback($identifier_callback = 'identifier')
-    {
-        if (! is_string($identifier_callback)) {
-            throw new InvalidDataTypeException('$identifier_callback', $identifier_callback, 'string');
-        }
-        $this->identifier_callback = $identifier_callback;
-    }
-
-
-    /**
-     * @access public
-     * @return string
-     */
-    public function getFileMask()
-    {
-        return $this->file_mask;
-    }
-
-
-    /**
-     * sets the file mask which is then used to filter what files get loaded
-     * when searching for classes to add to the collection. Defaults to '*.php'
-     *
-     * @access protected
-     * @param string $file_mask
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     */
-    protected function setFileMasks($file_mask)
-    {
-        $this->file_mask = ! empty($file_mask) ? $file_mask : '*.php';
-        // we know our default is a string, so if it's not a string now,
-        // then that means the incoming parameter was something else
-        if (! is_string($this->file_mask)) {
-            throw new InvalidDataTypeException('$file_mask', $this->file_mask, 'string');
-        }
-    }
-
-
-    /**
-     * @access public
-     * @return array
-     */
-    public function getCollectionFQCNs()
-    {
-        return $this->collection_FQCNs;
-    }
-
-
-    /**
-     * @access public
-     * @param string|array $collection_FQCNs
-     * @throws \EventEspresso\core\exceptions\InvalidClassException
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     */
-    public function setCollectionFQCNs($collection_FQCNs)
-    {
-        foreach ((array) $collection_FQCNs as $collection_FQCN) {
-            if (! empty($collection_FQCN)) {
-                if (class_exists($collection_FQCN)) {
-                    $this->collection_FQCNs[] = $collection_FQCN;
-                } else {
-                    foreach ($this->getFQCNsFromPartialNamespace($collection_FQCN) as $FQCN) {
-                        $this->collection_FQCNs[] = $FQCN;
-                    }
-                }
-            }
-        }
-    }
-
-
-    /**
-     * @access protected
-     * @param  string $partial_FQCN
-     * @return array
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     * @throws \EventEspresso\core\exceptions\InvalidClassException
-     */
-    protected function getFQCNsFromPartialNamespace($partial_FQCN)
-    {
-        if (! $this->file_locator instanceof FqcnLocator) {
-            $this->file_locator = new FqcnLocator();
-        }
-        $this->file_locator->locate($partial_FQCN);
-        return $this->file_locator->getFQCNs();
-    }
-
-
-    /**
-     * @access public
-     * @return array
-     */
-    public function getCollectionPaths()
-    {
-        return $this->collection_paths;
-    }
-
-
-    /**
-     * @access public
-     * @param string|array $collection_paths
-     * @throws \EventEspresso\core\exceptions\InvalidFilePathException
-     */
-    public function setCollectionPaths($collection_paths)
-    {
-        foreach ((array) $collection_paths as $collection_path) {
-            if (! empty($collection_path)) {
-                if (! is_readable($collection_path)) {
-                    throw new InvalidFilePathException($collection_path);
-                }
-                $this->collection_paths[] = $collection_path;
-            }
-        }
-    }
+	/**
+	 * if $identifier_type is set to this,
+	 * then the collection will use each object's spl_object_hash() as it's identifier
+	 */
+	const ID_OBJECT_HASH = 'identifier-uses-spl-object-hash';
+
+	/**
+	 * if $identifier_type is set to this,
+	 * then the collection will use each object's class name as it's identifier
+	 */
+	const ID_CLASS_NAME = 'identifier-uses-object-class-name';
+
+	/**
+	 * if $identifier_type is set to this,
+	 * then the collection will use the return value from a specified callback method on each object
+	 */
+	const ID_CALLBACK_METHOD = 'identifier-uses-callback-method';
+
+	/**
+	 * The interface used for controlling what gets added to the collection
+	 *
+	 * @var string $collection_interface
+	 */
+	protected $collection_interface = '';
+
+	/**
+	 * a unique name used to identify the collection in filter names
+	 * supplied value is run through sanitize_title_with_dashes(),
+	 * but then also converts dashes to underscores
+	 *
+	 * @var string $collection_name
+	 */
+	protected $collection_name = '';
+
+	/**
+	 * what the collection uses for the object identifier.
+	 * corresponds to one of the class constants above.
+	 * CollectionDetails::ID_OBJECT_HASH will use spl_object_hash( object ) for the identifier
+	 * CollectionDetails::ID_CLASS_NAME will use get_class( object ) for the identifier
+	 * CollectionDetails::ID_CALLBACK_METHOD will use a callback for the identifier
+	 * defaults to using spl_object_hash() so that multiple objects of the same class can be added
+	 *
+	 * @var string $identifier_type
+	 */
+	protected $identifier_type = CollectionDetails::ID_OBJECT_HASH;
+
+	/**
+	 * the pattern applied to paths when searching for class files to add to the collection
+	 * ie: "My_Awesome_*.class.php"
+	 * defaults to "*.php"
+	 *
+	 * @var string $file_mask
+	 */
+	protected $file_mask = '';
+
+	/**
+	 * if the $identifier_type above is set to CollectionDetails::ID_CALLBACK_METHOD,
+	 * then this specifies the method to use on each entity.
+	 * If the callback method does not exist, then an exception will be thrown
+	 *
+	 * @var string $identifier_callback
+	 */
+	protected $identifier_callback = '';
+
+	/**
+	 * an array of Fully Qualified Class Names
+	 *  for example:
+	 *  $FQCNs = array(
+	 *      '/Fully/Qualified/ClassNameA'
+	 *      '/Fully/Qualified/Other/ClassNameB'
+	 *  );
+	 *
+	 * @var array $collection_FQCNs
+	 */
+	protected $collection_FQCNs = array();
+
+	/**
+	 * an array of full server paths to folders containing files to be loaded into collection
+	 *  for example:
+	 *  $paths = array(
+	 *      '/full/server/path/to/ClassNameA.ext.php' // for class ClassNameA
+	 *      '/full/server/path/to/other/ClassNameB.php' // for class ClassNameB
+	 *  );
+	 *
+	 * @var array $collection_paths
+	 */
+	protected $collection_paths = array();
+
+	/**
+	 * @var LocatorInterface $file_locator
+	 */
+	protected $file_locator;
+
+
+	/**
+	 * CollectionDetails constructor.
+	 *
+	 * @access public
+	 * @param string           $collection_name
+	 * @param string           $collection_interface
+	 * @param array            $collection_FQCNs
+	 * @param array            $collection_paths
+	 * @param string           $file_mask
+	 * @param string           $identifier_type
+	 * @param string           $identifier_callback
+	 * @param LocatorInterface $file_locator
+	 * @throws CollectionDetailsException
+	 */
+	public function __construct(
+		$collection_name,
+		$collection_interface,
+		array $collection_FQCNs = array(),
+		array $collection_paths = array(),
+		$file_mask = '',
+		$identifier_type = CollectionDetails::ID_OBJECT_HASH,
+		$identifier_callback = '',
+		LocatorInterface $file_locator = null
+	) {
+		try {
+			$this->setCollectionName($collection_name);
+			$this->setCollectionInterface($collection_interface);
+			$this->setCollectionFQCNs($collection_FQCNs);
+			$this->setCollectionPaths($collection_paths);
+			$this->setFileMasks($file_mask);
+			$this->setIdentifierType($identifier_type);
+			$this->setIdentifierCallback($identifier_callback);
+			$this->file_locator = $file_locator;
+		} catch (Exception $exception) {
+			throw new CollectionDetailsException($exception);
+		}
+	}
+
+
+	/**
+	 * @access public
+	 * @return mixed
+	 */
+	public function getCollectionInterface()
+	{
+		return $this->collection_interface;
+	}
+
+
+	/**
+	 * @access protected
+	 * @param string $collection_interface
+	 * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
+	 */
+	protected function setCollectionInterface($collection_interface)
+	{
+		if (! (interface_exists($collection_interface) || class_exists($collection_interface))) {
+			throw new InvalidInterfaceException($collection_interface);
+		}
+		$this->collection_interface = $collection_interface;
+	}
+
+
+	/**
+	 * the collection name will be used for creating dynamic filters
+	 *
+	 * @access public
+	 * @return string
+	 */
+	public function collectionName()
+	{
+		return $this->collection_name;
+	}
+
+
+	/**
+	 * sanitizes collection name and converts spaces and dashes to underscores
+	 *
+	 * @access protected
+	 * @param string $collection_name
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 */
+	protected function setCollectionName($collection_name)
+	{
+		if (! is_string($collection_name)) {
+			throw new InvalidDataTypeException('$collection_name', $collection_name, 'string');
+		}
+		$this->collection_name = str_replace(
+			'-',
+			'_',
+			sanitize_title_with_dashes($collection_name, '', 'save')
+		);
+	}
+
+
+	/**
+	 * @access public
+	 * @return string
+	 */
+	public function identifierType()
+	{
+		return $this->identifier_type;
+	}
+
+
+	/**
+	 * @access protected
+	 * @param string $identifier_type
+	 * @throws InvalidIdentifierException
+	 */
+	protected function setIdentifierType($identifier_type)
+	{
+		if (
+			! ($identifier_type === CollectionDetails::ID_CLASS_NAME
+			   || $identifier_type === CollectionDetails::ID_OBJECT_HASH
+			   || $identifier_type === CollectionDetails::ID_CALLBACK_METHOD
+			)
+		) {
+			throw new InvalidIdentifierException(
+				$identifier_type,
+				'CollectionDetails::ID_CLASS_NAME or CollectionDetails::ID_OBJECT_HASH or CollectionDetails::ID_CALLBACK_METHOD'
+			);
+		}
+		$this->identifier_type = $identifier_type;
+	}
+
+
+	/**
+	 * @access public
+	 * @return string
+	 */
+	public function identifierCallback()
+	{
+		return $this->identifier_callback;
+	}
+
+
+	/**
+	 * @access protected
+	 * @param string $identifier_callback
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 */
+	protected function setIdentifierCallback($identifier_callback = 'identifier')
+	{
+		if (! is_string($identifier_callback)) {
+			throw new InvalidDataTypeException('$identifier_callback', $identifier_callback, 'string');
+		}
+		$this->identifier_callback = $identifier_callback;
+	}
+
+
+	/**
+	 * @access public
+	 * @return string
+	 */
+	public function getFileMask()
+	{
+		return $this->file_mask;
+	}
+
+
+	/**
+	 * sets the file mask which is then used to filter what files get loaded
+	 * when searching for classes to add to the collection. Defaults to '*.php'
+	 *
+	 * @access protected
+	 * @param string $file_mask
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 */
+	protected function setFileMasks($file_mask)
+	{
+		$this->file_mask = ! empty($file_mask) ? $file_mask : '*.php';
+		// we know our default is a string, so if it's not a string now,
+		// then that means the incoming parameter was something else
+		if (! is_string($this->file_mask)) {
+			throw new InvalidDataTypeException('$file_mask', $this->file_mask, 'string');
+		}
+	}
+
+
+	/**
+	 * @access public
+	 * @return array
+	 */
+	public function getCollectionFQCNs()
+	{
+		return $this->collection_FQCNs;
+	}
+
+
+	/**
+	 * @access public
+	 * @param string|array $collection_FQCNs
+	 * @throws \EventEspresso\core\exceptions\InvalidClassException
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 */
+	public function setCollectionFQCNs($collection_FQCNs)
+	{
+		foreach ((array) $collection_FQCNs as $collection_FQCN) {
+			if (! empty($collection_FQCN)) {
+				if (class_exists($collection_FQCN)) {
+					$this->collection_FQCNs[] = $collection_FQCN;
+				} else {
+					foreach ($this->getFQCNsFromPartialNamespace($collection_FQCN) as $FQCN) {
+						$this->collection_FQCNs[] = $FQCN;
+					}
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * @access protected
+	 * @param  string $partial_FQCN
+	 * @return array
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 * @throws \EventEspresso\core\exceptions\InvalidClassException
+	 */
+	protected function getFQCNsFromPartialNamespace($partial_FQCN)
+	{
+		if (! $this->file_locator instanceof FqcnLocator) {
+			$this->file_locator = new FqcnLocator();
+		}
+		$this->file_locator->locate($partial_FQCN);
+		return $this->file_locator->getFQCNs();
+	}
+
+
+	/**
+	 * @access public
+	 * @return array
+	 */
+	public function getCollectionPaths()
+	{
+		return $this->collection_paths;
+	}
+
+
+	/**
+	 * @access public
+	 * @param string|array $collection_paths
+	 * @throws \EventEspresso\core\exceptions\InvalidFilePathException
+	 */
+	public function setCollectionPaths($collection_paths)
+	{
+		foreach ((array) $collection_paths as $collection_path) {
+			if (! empty($collection_path)) {
+				if (! is_readable($collection_path)) {
+					throw new InvalidFilePathException($collection_path);
+				}
+				$this->collection_paths[] = $collection_path;
+			}
+		}
+	}
 }

Spacing +8 added lines, -8 removed lines

@@ -193,7 +193,7 @@ 
      */
     protected function setCollectionInterface($collection_interface)
     {
-        if (! (interface_exists($collection_interface) || class_exists($collection_interface))) {
+        if ( ! (interface_exists($collection_interface) || class_exists($collection_interface))) {
             throw new InvalidInterfaceException($collection_interface);
         }
         $this->collection_interface = $collection_interface;
@@ -221,7 +221,7 @@ 
      */
     protected function setCollectionName($collection_name)
     {
-        if (! is_string($collection_name)) {
+        if ( ! is_string($collection_name)) {
             throw new InvalidDataTypeException('$collection_name', $collection_name, 'string');
         }
         $this->collection_name = str_replace(
@@ -281,7 +281,7 @@ 
      */
     protected function setIdentifierCallback($identifier_callback = 'identifier')
     {
-        if (! is_string($identifier_callback)) {
+        if ( ! is_string($identifier_callback)) {
             throw new InvalidDataTypeException('$identifier_callback', $identifier_callback, 'string');
         }
         $this->identifier_callback = $identifier_callback;
@@ -311,7 +311,7 @@ 
         $this->file_mask = ! empty($file_mask) ? $file_mask : '*.php';
         // we know our default is a string, so if it's not a string now,
         // then that means the incoming parameter was something else
-        if (! is_string($this->file_mask)) {
+        if ( ! is_string($this->file_mask)) {
             throw new InvalidDataTypeException('$file_mask', $this->file_mask, 'string');
         }
     }
@@ -336,7 +336,7 @@ 
     public function setCollectionFQCNs($collection_FQCNs)
     {
         foreach ((array) $collection_FQCNs as $collection_FQCN) {
-            if (! empty($collection_FQCN)) {
+            if ( ! empty($collection_FQCN)) {
                 if (class_exists($collection_FQCN)) {
                     $this->collection_FQCNs[] = $collection_FQCN;
                 } else {
@@ -358,7 +358,7 @@ 
      */
     protected function getFQCNsFromPartialNamespace($partial_FQCN)
     {
-        if (! $this->file_locator instanceof FqcnLocator) {
+        if ( ! $this->file_locator instanceof FqcnLocator) {
             $this->file_locator = new FqcnLocator();
         }
         $this->file_locator->locate($partial_FQCN);
@@ -384,8 +384,8 @@ 
     public function setCollectionPaths($collection_paths)
     {
         foreach ((array) $collection_paths as $collection_path) {
-            if (! empty($collection_path)) {
-                if (! is_readable($collection_path)) {
+            if ( ! empty($collection_path)) {
+                if ( ! is_readable($collection_path)) {
                     throw new InvalidFilePathException($collection_path);
                 }
                 $this->collection_paths[] = $collection_path;

core/services/notifications/PersistentAdminNoticeManager.php

Spacing +9 added lines, -9 removed lines

@@ -85,7 +85,7 @@ 
      */
     public function setReturnUrl($return_url)
     {
-        if (! is_string($return_url)) {
+        if ( ! is_string($return_url)) {
             throw new InvalidDataTypeException('$return_url', $return_url, 'string');
         }
         $this->return_url = $return_url;
@@ -102,7 +102,7 @@ 
      */
     protected function getPersistentAdminNoticeCollection()
     {
-        if (! $this->notice_collection instanceof Collection) {
+        if ( ! $this->notice_collection instanceof Collection) {
             $this->notice_collection = new Collection(
                 'EventEspresso\core\domain\entities\notifications\PersistentAdminNotice'
             );
@@ -125,7 +125,7 @@ 
     protected function retrieveStoredNotices()
     {
         $persistent_admin_notices = get_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array());
-        if (! empty($persistent_admin_notices)) {
+        if ( ! empty($persistent_admin_notices)) {
             foreach ($persistent_admin_notices as $name => $details) {
                 if (is_array($details)) {
                     if (
@@ -247,14 +247,14 @@ 
     {
         wp_register_script(
             'espresso_core',
-            EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/espresso_core.js',
             array('jquery'),
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee_error_js',
-            EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/EE_Error.js',
             array('espresso_core'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -285,7 +285,7 @@ 
         // used in template
         $persistent_admin_notice_name = $persistent_admin_notice->getName();
         $persistent_admin_notice_message = $persistent_admin_notice->getMessage();
-        require EE_TEMPLATES . '/notifications/persistent_admin_notice.template.php';
+        require EE_TEMPLATES.'/notifications/persistent_admin_notice.template.php';
     }
 
 
@@ -310,7 +310,7 @@ 
     {
         $pan_name = $this->request->getRequestParam('ee_nag_notice', $pan_name);
         $this->notice_collection = $this->getPersistentAdminNoticeCollection();
-        if (! empty($pan_name) && $this->notice_collection->has($pan_name)) {
+        if ( ! empty($pan_name) && $this->notice_collection->has($pan_name)) {
             /** @var PersistentAdminNotice $persistent_admin_notice */
             $persistent_admin_notice = $this->notice_collection->get($pan_name);
             $persistent_admin_notice->setDismissed(true);
@@ -360,10 +360,10 @@ 
             foreach ($this->notice_collection as $persistent_admin_notice) {
                 // are we deleting this notice ?
                 if ($persistent_admin_notice->getPurge()) {
-                    unset($persistent_admin_notices[ $persistent_admin_notice->getName() ]);
+                    unset($persistent_admin_notices[$persistent_admin_notice->getName()]);
                 } else {
                     /** @var PersistentAdminNotice $persistent_admin_notice */
-                    $persistent_admin_notices[ $persistent_admin_notice->getName() ] = array(
+                    $persistent_admin_notices[$persistent_admin_notice->getName()] = array(
                         'message'     => $persistent_admin_notice->getMessage(),
                         'capability'  => $persistent_admin_notice->getCapability(),
                         'cap_context' => $persistent_admin_notice->getCapContext(),

Indentation +388 added lines, -388 removed lines

@@ -31,392 +31,392 @@
 class PersistentAdminNoticeManager
 {
 
-    const WP_OPTION_KEY = 'ee_pers_admin_notices';
-
-    /**
-     * @var Collection|PersistentAdminNotice[] $notice_collection
-     */
-    private $notice_collection;
-
-    /**
-     * if AJAX is not enabled, then the return URL will be used for redirecting back to the admin page where the
-     * persistent admin notice was displayed, and ultimately dismissed from.
-     *
-     * @var string $return_url
-     */
-    private $return_url;
-
-    /**
-     * @var CapabilitiesChecker $capabilities_checker
-     */
-    private $capabilities_checker;
-
-    /**
-     * @var RequestInterface $request
-     */
-    private $request;
-
-
-    /**
-     * PersistentAdminNoticeManager constructor
-     *
-     * @param CapabilitiesChecker $capabilities_checker
-     * @param RequestInterface    $request
-     * @param string              $return_url where to  redirect to after dismissing notices
-     * @throws InvalidDataTypeException
-     */
-    public function __construct(
-        CapabilitiesChecker $capabilities_checker,
-        RequestInterface $request,
-        $return_url = ''
-    ) {
-        $this->setReturnUrl($return_url);
-        $this->capabilities_checker = $capabilities_checker;
-        $this->request = $request;
-        // setup up notices at priority 9 because `EE_Admin::display_admin_notices()` runs at priority 10,
-        // and we want to retrieve and generate any nag notices at the last possible moment
-        add_action('admin_notices', array($this, 'displayNotices'), 9);
-        add_action('network_admin_notices', array($this, 'displayNotices'), 9);
-        add_action('wp_ajax_dismiss_ee_nag_notice', array($this, 'dismissNotice'));
-        add_action('shutdown', array($this, 'registerAndSaveNotices'), 998);
-    }
-
-
-    /**
-     * @param string $return_url
-     * @throws InvalidDataTypeException
-     */
-    public function setReturnUrl($return_url)
-    {
-        if (! is_string($return_url)) {
-            throw new InvalidDataTypeException('$return_url', $return_url, 'string');
-        }
-        $this->return_url = $return_url;
-    }
-
-
-    /**
-     * @return Collection
-     * @throws InvalidEntityException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    protected function getPersistentAdminNoticeCollection()
-    {
-        if (! $this->notice_collection instanceof Collection) {
-            $this->notice_collection = new Collection(
-                'EventEspresso\core\domain\entities\notifications\PersistentAdminNotice'
-            );
-            $this->retrieveStoredNotices();
-            $this->registerNotices();
-        }
-        return $this->notice_collection;
-    }
-
-
-    /**
-     * generates PersistentAdminNotice objects for all non-dismissed notices saved to the db
-     *
-     * @return void
-     * @throws InvalidEntityException
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    protected function retrieveStoredNotices()
-    {
-        $persistent_admin_notices = get_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array());
-        if (! empty($persistent_admin_notices)) {
-            foreach ($persistent_admin_notices as $name => $details) {
-                if (is_array($details)) {
-                    if (
-                        ! isset(
-                            $details['message'],
-                            $details['capability'],
-                            $details['cap_context'],
-                            $details['dismissed']
-                        )
-                    ) {
-                        throw new DomainException(
-                            sprintf(
-                                esc_html__(
-                                    'The "%1$s" PersistentAdminNotice could not be retrieved from the database.',
-                                    'event_espresso'
-                                ),
-                                $name
-                            )
-                        );
-                    }
-                    // new format for nag notices
-                    $this->notice_collection->add(
-                        new PersistentAdminNotice(
-                            $name,
-                            $details['message'],
-                            false,
-                            $details['capability'],
-                            $details['cap_context'],
-                            $details['dismissed']
-                        ),
-                        sanitize_key($name)
-                    );
-                } else {
-                    try {
-                        // old nag notices, that we want to convert to the new format
-                        $this->notice_collection->add(
-                            new PersistentAdminNotice(
-                                $name,
-                                (string) $details,
-                                false,
-                                '',
-                                '',
-                                empty($details)
-                            ),
-                            sanitize_key($name)
-                        );
-                    } catch (Exception $e) {
-                        EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-                    }
-                }
-                // each notice will self register when the action hook in registerNotices is triggered
-            }
-        }
-    }
-
-
-    /**
-     * exposes the Persistent Admin Notice Collection via an action
-     * so that PersistentAdminNotice objects can be added and/or removed
-     * without compromising the actual collection like a filter would
-     */
-    protected function registerNotices()
-    {
-        do_action(
-            'AHEE__EventEspresso_core_services_notifications_PersistentAdminNoticeManager__registerNotices',
-            $this->notice_collection
-        );
-    }
-
-
-    /**
-     * @throws DomainException
-     * @throws InvalidClassException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidEntityException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    public function displayNotices()
-    {
-        $this->notice_collection = $this->getPersistentAdminNoticeCollection();
-        if ($this->notice_collection->hasObjects()) {
-            $enqueue_assets = false;
-            // and display notices
-            foreach ($this->notice_collection as $persistent_admin_notice) {
-                /** @var PersistentAdminNotice $persistent_admin_notice */
-                // don't display notices that have already been dismissed
-                if ($persistent_admin_notice->getDismissed()) {
-                    continue;
-                }
-                try {
-                    $this->capabilities_checker->processCapCheck(
-                        $persistent_admin_notice->getCapCheck()
-                    );
-                } catch (InsufficientPermissionsException $e) {
-                    // user does not have required cap, so skip to next notice
-                    // and just eat the exception - nom nom nom nom
-                    continue;
-                }
-                if ($persistent_admin_notice->getMessage() === '') {
-                    continue;
-                }
-                $this->displayPersistentAdminNotice($persistent_admin_notice);
-                $enqueue_assets = true;
-            }
-            if ($enqueue_assets) {
-                $this->enqueueAssets();
-            }
-        }
-    }
-
-
-    /**
-     * does what it's named
-     *
-     * @return void
-     */
-    public function enqueueAssets()
-    {
-        wp_register_script(
-            'espresso_core',
-            EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
-            array('jquery'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee_error_js',
-            EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
-            array('espresso_core'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_localize_script(
-            'ee_error_js',
-            'ee_dismiss',
-            array(
-                'return_url'    => urlencode($this->return_url),
-                'ajax_url'      => WP_AJAX_URL,
-                'unknown_error' => wp_strip_all_tags(
-                    __(
-                        'An unknown error has occurred on the server while attempting to dismiss this notice.',
-                        'event_espresso'
-                    )
-                ),
-            )
-        );
-        wp_enqueue_script('ee_error_js');
-    }
-
-
-    /**
-     * displayPersistentAdminNoticeHtml
-     *
-     * @param  PersistentAdminNotice $persistent_admin_notice
-     */
-    protected function displayPersistentAdminNotice(PersistentAdminNotice $persistent_admin_notice)
-    {
-        // used in template
-        $persistent_admin_notice_name = $persistent_admin_notice->getName();
-        $persistent_admin_notice_message = $persistent_admin_notice->getMessage();
-        require EE_TEMPLATES . '/notifications/persistent_admin_notice.template.php';
-    }
-
-
-    /**
-     * dismissNotice
-     *
-     * @param string $pan_name the name, or key of the Persistent Admin Notice to be dismissed
-     * @param bool   $purge    if true, then delete it from the db
-     * @param bool   $return   forget all of this AJAX or redirect nonsense, and just return
-     * @return void
-     * @throws InvalidEntityException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidArgumentException
-     * @throws InvalidArgumentException
-     * @throws InvalidArgumentException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    public function dismissNotice($pan_name = '', $purge = false, $return = false)
-    {
-        $pan_name = $this->request->getRequestParam('ee_nag_notice', $pan_name);
-        $this->notice_collection = $this->getPersistentAdminNoticeCollection();
-        if (! empty($pan_name) && $this->notice_collection->has($pan_name)) {
-            /** @var PersistentAdminNotice $persistent_admin_notice */
-            $persistent_admin_notice = $this->notice_collection->get($pan_name);
-            $persistent_admin_notice->setDismissed(true);
-            $persistent_admin_notice->setPurge($purge);
-            $this->saveNotices();
-        }
-        if ($return) {
-            return;
-        }
-        if ($this->request->isAjax()) {
-            // grab any notices and concatenate into string
-            echo wp_json_encode(
-                array(
-                    'errors' => implode('<br />', EE_Error::get_notices(false)),
-                )
-            );
-            exit();
-        }
-        // save errors to a transient to be displayed on next request (after redirect)
-        EE_Error::get_notices(false, true);
-        wp_safe_redirect(
-            urldecode(
-                $this->request->getRequestParam('return_url', '')
-            )
-        );
-    }
-
-
-    /**
-     * saveNotices
-     *
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidEntityException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    public function saveNotices()
-    {
-        $this->notice_collection = $this->getPersistentAdminNoticeCollection();
-        if ($this->notice_collection->hasObjects()) {
-            $persistent_admin_notices = get_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array());
-            // maybe initialize persistent_admin_notices
-            if (empty($persistent_admin_notices)) {
-                add_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array(), '', 'no');
-            }
-            foreach ($this->notice_collection as $persistent_admin_notice) {
-                // are we deleting this notice ?
-                if ($persistent_admin_notice->getPurge()) {
-                    unset($persistent_admin_notices[ $persistent_admin_notice->getName() ]);
-                } else {
-                    /** @var PersistentAdminNotice $persistent_admin_notice */
-                    $persistent_admin_notices[ $persistent_admin_notice->getName() ] = array(
-                        'message'     => $persistent_admin_notice->getMessage(),
-                        'capability'  => $persistent_admin_notice->getCapability(),
-                        'cap_context' => $persistent_admin_notice->getCapContext(),
-                        'dismissed'   => $persistent_admin_notice->getDismissed(),
-                    );
-                }
-            }
-            update_option(PersistentAdminNoticeManager::WP_OPTION_KEY, $persistent_admin_notices);
-        }
-    }
-
-
-    /**
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws InvalidInterfaceException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    public function registerAndSaveNotices()
-    {
-        $this->getPersistentAdminNoticeCollection();
-        $this->registerNotices();
-        $this->saveNotices();
-        add_filter(
-            'PersistentAdminNoticeManager__registerAndSaveNotices__complete',
-            '__return_true'
-        );
-    }
-
-
-    /**
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws DuplicateCollectionIdentifierException
-     */
-    public static function loadRegisterAndSaveNotices()
-    {
-        /** @var PersistentAdminNoticeManager $persistent_admin_notice_manager */
-        $persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-        );
-        // if shutdown has already run, then call registerAndSaveNotices() manually
-        if (did_action('shutdown')) {
-            $persistent_admin_notice_manager->registerAndSaveNotices();
-        }
-    }
+	const WP_OPTION_KEY = 'ee_pers_admin_notices';
+
+	/**
+	 * @var Collection|PersistentAdminNotice[] $notice_collection
+	 */
+	private $notice_collection;
+
+	/**
+	 * if AJAX is not enabled, then the return URL will be used for redirecting back to the admin page where the
+	 * persistent admin notice was displayed, and ultimately dismissed from.
+	 *
+	 * @var string $return_url
+	 */
+	private $return_url;
+
+	/**
+	 * @var CapabilitiesChecker $capabilities_checker
+	 */
+	private $capabilities_checker;
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	private $request;
+
+
+	/**
+	 * PersistentAdminNoticeManager constructor
+	 *
+	 * @param CapabilitiesChecker $capabilities_checker
+	 * @param RequestInterface    $request
+	 * @param string              $return_url where to  redirect to after dismissing notices
+	 * @throws InvalidDataTypeException
+	 */
+	public function __construct(
+		CapabilitiesChecker $capabilities_checker,
+		RequestInterface $request,
+		$return_url = ''
+	) {
+		$this->setReturnUrl($return_url);
+		$this->capabilities_checker = $capabilities_checker;
+		$this->request = $request;
+		// setup up notices at priority 9 because `EE_Admin::display_admin_notices()` runs at priority 10,
+		// and we want to retrieve and generate any nag notices at the last possible moment
+		add_action('admin_notices', array($this, 'displayNotices'), 9);
+		add_action('network_admin_notices', array($this, 'displayNotices'), 9);
+		add_action('wp_ajax_dismiss_ee_nag_notice', array($this, 'dismissNotice'));
+		add_action('shutdown', array($this, 'registerAndSaveNotices'), 998);
+	}
+
+
+	/**
+	 * @param string $return_url
+	 * @throws InvalidDataTypeException
+	 */
+	public function setReturnUrl($return_url)
+	{
+		if (! is_string($return_url)) {
+			throw new InvalidDataTypeException('$return_url', $return_url, 'string');
+		}
+		$this->return_url = $return_url;
+	}
+
+
+	/**
+	 * @return Collection
+	 * @throws InvalidEntityException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	protected function getPersistentAdminNoticeCollection()
+	{
+		if (! $this->notice_collection instanceof Collection) {
+			$this->notice_collection = new Collection(
+				'EventEspresso\core\domain\entities\notifications\PersistentAdminNotice'
+			);
+			$this->retrieveStoredNotices();
+			$this->registerNotices();
+		}
+		return $this->notice_collection;
+	}
+
+
+	/**
+	 * generates PersistentAdminNotice objects for all non-dismissed notices saved to the db
+	 *
+	 * @return void
+	 * @throws InvalidEntityException
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	protected function retrieveStoredNotices()
+	{
+		$persistent_admin_notices = get_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array());
+		if (! empty($persistent_admin_notices)) {
+			foreach ($persistent_admin_notices as $name => $details) {
+				if (is_array($details)) {
+					if (
+						! isset(
+							$details['message'],
+							$details['capability'],
+							$details['cap_context'],
+							$details['dismissed']
+						)
+					) {
+						throw new DomainException(
+							sprintf(
+								esc_html__(
+									'The "%1$s" PersistentAdminNotice could not be retrieved from the database.',
+									'event_espresso'
+								),
+								$name
+							)
+						);
+					}
+					// new format for nag notices
+					$this->notice_collection->add(
+						new PersistentAdminNotice(
+							$name,
+							$details['message'],
+							false,
+							$details['capability'],
+							$details['cap_context'],
+							$details['dismissed']
+						),
+						sanitize_key($name)
+					);
+				} else {
+					try {
+						// old nag notices, that we want to convert to the new format
+						$this->notice_collection->add(
+							new PersistentAdminNotice(
+								$name,
+								(string) $details,
+								false,
+								'',
+								'',
+								empty($details)
+							),
+							sanitize_key($name)
+						);
+					} catch (Exception $e) {
+						EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+					}
+				}
+				// each notice will self register when the action hook in registerNotices is triggered
+			}
+		}
+	}
+
+
+	/**
+	 * exposes the Persistent Admin Notice Collection via an action
+	 * so that PersistentAdminNotice objects can be added and/or removed
+	 * without compromising the actual collection like a filter would
+	 */
+	protected function registerNotices()
+	{
+		do_action(
+			'AHEE__EventEspresso_core_services_notifications_PersistentAdminNoticeManager__registerNotices',
+			$this->notice_collection
+		);
+	}
+
+
+	/**
+	 * @throws DomainException
+	 * @throws InvalidClassException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidEntityException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	public function displayNotices()
+	{
+		$this->notice_collection = $this->getPersistentAdminNoticeCollection();
+		if ($this->notice_collection->hasObjects()) {
+			$enqueue_assets = false;
+			// and display notices
+			foreach ($this->notice_collection as $persistent_admin_notice) {
+				/** @var PersistentAdminNotice $persistent_admin_notice */
+				// don't display notices that have already been dismissed
+				if ($persistent_admin_notice->getDismissed()) {
+					continue;
+				}
+				try {
+					$this->capabilities_checker->processCapCheck(
+						$persistent_admin_notice->getCapCheck()
+					);
+				} catch (InsufficientPermissionsException $e) {
+					// user does not have required cap, so skip to next notice
+					// and just eat the exception - nom nom nom nom
+					continue;
+				}
+				if ($persistent_admin_notice->getMessage() === '') {
+					continue;
+				}
+				$this->displayPersistentAdminNotice($persistent_admin_notice);
+				$enqueue_assets = true;
+			}
+			if ($enqueue_assets) {
+				$this->enqueueAssets();
+			}
+		}
+	}
+
+
+	/**
+	 * does what it's named
+	 *
+	 * @return void
+	 */
+	public function enqueueAssets()
+	{
+		wp_register_script(
+			'espresso_core',
+			EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
+			array('jquery'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee_error_js',
+			EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
+			array('espresso_core'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_localize_script(
+			'ee_error_js',
+			'ee_dismiss',
+			array(
+				'return_url'    => urlencode($this->return_url),
+				'ajax_url'      => WP_AJAX_URL,
+				'unknown_error' => wp_strip_all_tags(
+					__(
+						'An unknown error has occurred on the server while attempting to dismiss this notice.',
+						'event_espresso'
+					)
+				),
+			)
+		);
+		wp_enqueue_script('ee_error_js');
+	}
+
+
+	/**
+	 * displayPersistentAdminNoticeHtml
+	 *
+	 * @param  PersistentAdminNotice $persistent_admin_notice
+	 */
+	protected function displayPersistentAdminNotice(PersistentAdminNotice $persistent_admin_notice)
+	{
+		// used in template
+		$persistent_admin_notice_name = $persistent_admin_notice->getName();
+		$persistent_admin_notice_message = $persistent_admin_notice->getMessage();
+		require EE_TEMPLATES . '/notifications/persistent_admin_notice.template.php';
+	}
+
+
+	/**
+	 * dismissNotice
+	 *
+	 * @param string $pan_name the name, or key of the Persistent Admin Notice to be dismissed
+	 * @param bool   $purge    if true, then delete it from the db
+	 * @param bool   $return   forget all of this AJAX or redirect nonsense, and just return
+	 * @return void
+	 * @throws InvalidEntityException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidArgumentException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	public function dismissNotice($pan_name = '', $purge = false, $return = false)
+	{
+		$pan_name = $this->request->getRequestParam('ee_nag_notice', $pan_name);
+		$this->notice_collection = $this->getPersistentAdminNoticeCollection();
+		if (! empty($pan_name) && $this->notice_collection->has($pan_name)) {
+			/** @var PersistentAdminNotice $persistent_admin_notice */
+			$persistent_admin_notice = $this->notice_collection->get($pan_name);
+			$persistent_admin_notice->setDismissed(true);
+			$persistent_admin_notice->setPurge($purge);
+			$this->saveNotices();
+		}
+		if ($return) {
+			return;
+		}
+		if ($this->request->isAjax()) {
+			// grab any notices and concatenate into string
+			echo wp_json_encode(
+				array(
+					'errors' => implode('<br />', EE_Error::get_notices(false)),
+				)
+			);
+			exit();
+		}
+		// save errors to a transient to be displayed on next request (after redirect)
+		EE_Error::get_notices(false, true);
+		wp_safe_redirect(
+			urldecode(
+				$this->request->getRequestParam('return_url', '')
+			)
+		);
+	}
+
+
+	/**
+	 * saveNotices
+	 *
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidEntityException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	public function saveNotices()
+	{
+		$this->notice_collection = $this->getPersistentAdminNoticeCollection();
+		if ($this->notice_collection->hasObjects()) {
+			$persistent_admin_notices = get_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array());
+			// maybe initialize persistent_admin_notices
+			if (empty($persistent_admin_notices)) {
+				add_option(PersistentAdminNoticeManager::WP_OPTION_KEY, array(), '', 'no');
+			}
+			foreach ($this->notice_collection as $persistent_admin_notice) {
+				// are we deleting this notice ?
+				if ($persistent_admin_notice->getPurge()) {
+					unset($persistent_admin_notices[ $persistent_admin_notice->getName() ]);
+				} else {
+					/** @var PersistentAdminNotice $persistent_admin_notice */
+					$persistent_admin_notices[ $persistent_admin_notice->getName() ] = array(
+						'message'     => $persistent_admin_notice->getMessage(),
+						'capability'  => $persistent_admin_notice->getCapability(),
+						'cap_context' => $persistent_admin_notice->getCapContext(),
+						'dismissed'   => $persistent_admin_notice->getDismissed(),
+					);
+				}
+			}
+			update_option(PersistentAdminNoticeManager::WP_OPTION_KEY, $persistent_admin_notices);
+		}
+	}
+
+
+	/**
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws InvalidInterfaceException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	public function registerAndSaveNotices()
+	{
+		$this->getPersistentAdminNoticeCollection();
+		$this->registerNotices();
+		$this->saveNotices();
+		add_filter(
+			'PersistentAdminNoticeManager__registerAndSaveNotices__complete',
+			'__return_true'
+		);
+	}
+
+
+	/**
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws DuplicateCollectionIdentifierException
+	 */
+	public static function loadRegisterAndSaveNotices()
+	{
+		/** @var PersistentAdminNoticeManager $persistent_admin_notice_manager */
+		$persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+		);
+		// if shutdown has already run, then call registerAndSaveNotices() manually
+		if (did_action('shutdown')) {
+			$persistent_admin_notice_manager->registerAndSaveNotices();
+		}
+	}
 }

core/services/database/TableAnalysis.php

Spacing +2 added lines, -2 removed lines

@@ -32,7 +32,7 @@ 
     public function ensureTableNameHasPrefix($table_name)
     {
         global $wpdb;
-        return strpos($table_name, $wpdb->base_prefix) === 0 ? $table_name : $wpdb->prefix . $table_name;
+        return strpos($table_name, $wpdb->base_prefix) === 0 ? $table_name : $wpdb->prefix.$table_name;
     }
 
 
@@ -81,7 +81,7 @@ 
         $wpdb->last_error = $old_error;
         $EZSQL_ERROR = $ezsql_error_cache;
         // if there was a table doesn't exist error
-        if (! empty($new_error)) {
+        if ( ! empty($new_error)) {
             if (
                 in_array(
                     \EEH_Activation::last_wpdb_error_code(),

Indentation +121 added lines, -121 removed lines

@@ -14,132 +14,132 @@
 class TableAnalysis extends \EE_Base
 {
 
-    /**
-     * The maximum number of characters that can be indexed on a column using utf8mb4 collation,
-     * see https://events.codebasehq.com/redirect?https://make.wordpress.org/core/2015/04/02/the-utf8mb4-upgrade/
-     */
-    const INDEX_COLUMN_SIZE = 191;
+	/**
+	 * The maximum number of characters that can be indexed on a column using utf8mb4 collation,
+	 * see https://events.codebasehq.com/redirect?https://make.wordpress.org/core/2015/04/02/the-utf8mb4-upgrade/
+	 */
+	const INDEX_COLUMN_SIZE = 191;
 
-    /**
-     * Returns the table name which will definitely have the wpdb prefix on the front,
-     * except if it currently has the wpdb->base_prefix on the front, in which case
-     * it will have the wpdb->base_prefix on it
-     *
-     * @global \wpdb $wpdb
-     * @param string $table_name
-     * @return string $tableName, having ensured it has the wpdb prefix on the front
-     */
-    public function ensureTableNameHasPrefix($table_name)
-    {
-        global $wpdb;
-        return strpos($table_name, $wpdb->base_prefix) === 0 ? $table_name : $wpdb->prefix . $table_name;
-    }
+	/**
+	 * Returns the table name which will definitely have the wpdb prefix on the front,
+	 * except if it currently has the wpdb->base_prefix on the front, in which case
+	 * it will have the wpdb->base_prefix on it
+	 *
+	 * @global \wpdb $wpdb
+	 * @param string $table_name
+	 * @return string $tableName, having ensured it has the wpdb prefix on the front
+	 */
+	public function ensureTableNameHasPrefix($table_name)
+	{
+		global $wpdb;
+		return strpos($table_name, $wpdb->base_prefix) === 0 ? $table_name : $wpdb->prefix . $table_name;
+	}
 
 
-    /**
-     * Indicates whether or not the table has any entries. $table_name can
-     * optionally start with $wpdb->prefix or not
-     *
-     * @global \wpdb $wpdb
-     * @param string $table_name
-     * @return bool
-     */
-    public function tableIsEmpty($table_name)
-    {
-        global $wpdb;
-        $table_name = $this->ensureTableNameHasPrefix($table_name);
-        if ($this->tableExists($table_name)) {
-            $count = $wpdb->get_var("SELECT COUNT(*) FROM $table_name");
-            return absint($count) === 0 ? true : false;
-        }
-        return false;
-    }
+	/**
+	 * Indicates whether or not the table has any entries. $table_name can
+	 * optionally start with $wpdb->prefix or not
+	 *
+	 * @global \wpdb $wpdb
+	 * @param string $table_name
+	 * @return bool
+	 */
+	public function tableIsEmpty($table_name)
+	{
+		global $wpdb;
+		$table_name = $this->ensureTableNameHasPrefix($table_name);
+		if ($this->tableExists($table_name)) {
+			$count = $wpdb->get_var("SELECT COUNT(*) FROM $table_name");
+			return absint($count) === 0 ? true : false;
+		}
+		return false;
+	}
 
 
-    /**
-     * Indicates whether or not the table exists. $table_name can optionally
-     * have the $wpdb->prefix on the beginning, or not.
-     *
-     * @global \wpdb $wpdb
-     * @global array EZSQL_Error
-     * @param        $table_name
-     * @return bool
-     */
-    public function tableExists($table_name)
-    {
-        global $wpdb, $EZSQL_ERROR;
-        $table_name = $this->ensureTableNameHasPrefix($table_name);
-        // ignore if this causes an sql error
-        $old_error = $wpdb->last_error;
-        $old_suppress_errors = $wpdb->suppress_errors();
-        $old_show_errors_value = $wpdb->show_errors(false);
-        $ezsql_error_cache = $EZSQL_ERROR;
-        $wpdb->get_results("SELECT * from $table_name LIMIT 1");
-        $wpdb->show_errors($old_show_errors_value);
-        $wpdb->suppress_errors($old_suppress_errors);
-        $new_error = $wpdb->last_error;
-        $wpdb->last_error = $old_error;
-        $EZSQL_ERROR = $ezsql_error_cache;
-        // if there was a table doesn't exist error
-        if (! empty($new_error)) {
-            if (
-                in_array(
-                    \EEH_Activation::last_wpdb_error_code(),
-                    array(
-                    1051, // bad table
-                    1109, // unknown table
-                    117, // no such table
-                    )
-                )
-                ||
-                preg_match(
-                    '~^Table .* doesn\'t exist~',
-                    $new_error
-                ) // in case not using mysql and error codes aren't reliable, just check for this error string
-            ) {
-                return false;
-            } else {
-                // log this because that's weird. Just use the normal PHP error log
-                error_log(
-                    sprintf(
-                        esc_html__(
-                            'Event Espresso error detected when checking if table existed: %1$s (it wasn\'t just that the table didn\'t exist either)',
-                            'event_espresso'
-                        ),
-                        $new_error
-                    )
-                );
-            }
-        }
-        return true;
-    }
+	/**
+	 * Indicates whether or not the table exists. $table_name can optionally
+	 * have the $wpdb->prefix on the beginning, or not.
+	 *
+	 * @global \wpdb $wpdb
+	 * @global array EZSQL_Error
+	 * @param        $table_name
+	 * @return bool
+	 */
+	public function tableExists($table_name)
+	{
+		global $wpdb, $EZSQL_ERROR;
+		$table_name = $this->ensureTableNameHasPrefix($table_name);
+		// ignore if this causes an sql error
+		$old_error = $wpdb->last_error;
+		$old_suppress_errors = $wpdb->suppress_errors();
+		$old_show_errors_value = $wpdb->show_errors(false);
+		$ezsql_error_cache = $EZSQL_ERROR;
+		$wpdb->get_results("SELECT * from $table_name LIMIT 1");
+		$wpdb->show_errors($old_show_errors_value);
+		$wpdb->suppress_errors($old_suppress_errors);
+		$new_error = $wpdb->last_error;
+		$wpdb->last_error = $old_error;
+		$EZSQL_ERROR = $ezsql_error_cache;
+		// if there was a table doesn't exist error
+		if (! empty($new_error)) {
+			if (
+				in_array(
+					\EEH_Activation::last_wpdb_error_code(),
+					array(
+					1051, // bad table
+					1109, // unknown table
+					117, // no such table
+					)
+				)
+				||
+				preg_match(
+					'~^Table .* doesn\'t exist~',
+					$new_error
+				) // in case not using mysql and error codes aren't reliable, just check for this error string
+			) {
+				return false;
+			} else {
+				// log this because that's weird. Just use the normal PHP error log
+				error_log(
+					sprintf(
+						esc_html__(
+							'Event Espresso error detected when checking if table existed: %1$s (it wasn\'t just that the table didn\'t exist either)',
+							'event_espresso'
+						),
+						$new_error
+					)
+				);
+			}
+		}
+		return true;
+	}
 
 
-    /**
-     * @param $table_name
-     * @param $index_name
-     * @return array of columns used on that index, Each entry is an object with the following properties {
-     * @type string Table
-     * @type string Non_unique "0" or "1"
-     * @type string Key_name
-     * @type string Seq_in_index
-     * @type string Column_name
-     * @type string Collation
-     * @type string Cardinality
-     * @type string Sub_part on a column, usually this is just the number of characters from this column to use in
-     *       indexing
-     * @type string|null Packed
-     * @type string Null
-     * @type string Index_type
-     * @type string Comment
-     * @type string Index_comment
-     * }
-     */
-    public function showIndexes($table_name, $index_name)
-    {
-        global $wpdb;
-        $table_name = $this->ensureTableNameHasPrefix($table_name);
-        $index_exists_query = "SHOW INDEX FROM {$table_name} WHERE Key_name = '{$index_name}'";
-        return $wpdb->get_results($index_exists_query);
-    }
+	/**
+	 * @param $table_name
+	 * @param $index_name
+	 * @return array of columns used on that index, Each entry is an object with the following properties {
+	 * @type string Table
+	 * @type string Non_unique "0" or "1"
+	 * @type string Key_name
+	 * @type string Seq_in_index
+	 * @type string Column_name
+	 * @type string Collation
+	 * @type string Cardinality
+	 * @type string Sub_part on a column, usually this is just the number of characters from this column to use in
+	 *       indexing
+	 * @type string|null Packed
+	 * @type string Null
+	 * @type string Index_type
+	 * @type string Comment
+	 * @type string Index_comment
+	 * }
+	 */
+	public function showIndexes($table_name, $index_name)
+	{
+		global $wpdb;
+		$table_name = $this->ensureTableNameHasPrefix($table_name);
+		$index_exists_query = "SHOW INDEX FROM {$table_name} WHERE Key_name = '{$index_name}'";
+		return $wpdb->get_results($index_exists_query);
+	}
 }

core/services/cache/TransientCacheStorage.php

Indentation +363 added lines, -363 removed lines

@@ -16,367 +16,367 @@
 class TransientCacheStorage implements CacheStorageInterface
 {
 
-    /**
-     * wp-option option_name for tracking transients
-     *
-     * @type string
-     */
-    const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';
-
-    /**
-     * @var int $current_time
-     */
-    private $current_time;
-
-    /**
-     * how often to perform transient cleanup
-     *
-     * @var string $transient_cleanup_frequency
-     */
-    private $transient_cleanup_frequency;
-
-    /**
-     * options for how often to perform transient cleanup
-     *
-     * @var array $transient_cleanup_frequency_options
-     */
-    private $transient_cleanup_frequency_options = array();
-
-    /**
-     * @var array $transients
-     */
-    private $transients;
-
-
-    /**
-     * TransientCacheStorage constructor.
-     */
-    public function __construct()
-    {
-        $this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
-        // round current time down to closest 5 minutes to simplify scheduling
-        $this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
-        $this->transients = (array) get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
-            add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
-        }
-    }
-
-
-    /**
-     * Sets how often transient cleanup occurs
-     *
-     * @return string
-     */
-    private function setTransientCleanupFrequency()
-    {
-        // sets how often transients are cleaned up
-        $this->transient_cleanup_frequency_options = apply_filters(
-            'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
-            array(
-                'off',
-                '15-minutes',
-                'hour',
-                '12-hours',
-                'day',
-            )
-        );
-        $transient_cleanup_frequency = apply_filters(
-            'FHEE__TransientCacheStorage__transient_cleanup_schedule',
-            'hour'
-        );
-        return in_array(
-            $transient_cleanup_frequency,
-            $this->transient_cleanup_frequency_options,
-            true
-        )
-            ? $transient_cleanup_frequency
-            : 'hour';
-    }
-
-
-    /**
-     * we need to be able to round timestamps off to match the set transient cleanup frequency
-     * so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
-     * then that timestamp needs to be rounded up to 2:00 pm so that it is removed
-     * during the next scheduled cleanup after its expiration.
-     * We also round off the current time timestamp to the closest 5 minutes
-     * just to make the timestamps a little easier to round which helps with debugging.
-     *
-     * @param int    $timestamp [required]
-     * @param string $cleanup_frequency
-     * @param bool   $round_up
-     * @return int
-     */
-    private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
-    {
-        $cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
-        // in order to round the time to the closest xx minutes (or hours),
-        // we take the minutes (or hours) portion of the timestamp and divide it by xx,
-        // round down to a whole number, then multiply by xx to bring us almost back up to where we were
-        // why round down ? so the minutes (or hours) don't go over 60 (or 24)
-        // and bump the hour, which could bump the day, which could bump the month, etc,
-        // which would be bad because we don't always want to round up,
-        // but when we do we can easily achieve that by simply adding the desired offset,
-        $minutes = '00';
-        $hours = 'H';
-        switch ($cleanup_frequency) {
-            case '5-minutes':
-                $minutes = floor((int) date('i', $timestamp) / 5) * 5;
-                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
-                $offset = MINUTE_IN_SECONDS * 5;
-                break;
-            case '15-minutes':
-                $minutes = floor((int) date('i', $timestamp) / 15) * 15;
-                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
-                $offset = MINUTE_IN_SECONDS * 15;
-                break;
-            case '12-hours':
-                $hours = floor((int) date('H', $timestamp) / 12) * 12;
-                $hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
-                $offset = HOUR_IN_SECONDS * 12;
-                break;
-            case 'day':
-                $hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
-                $offset = DAY_IN_SECONDS;
-                break;
-            case 'hour':
-            default:
-                $offset = HOUR_IN_SECONDS;
-                break;
-        }
-        $rounded_timestamp = (int) strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
-        $rounded_timestamp += $round_up ? $offset : 0;
-        return apply_filters(
-            'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
-            $rounded_timestamp,
-            $timestamp,
-            $cleanup_frequency,
-            $round_up
-        );
-    }
-
-
-    /**
-     * Saves supplied data to a transient
-     * if an expiration is set, then it automatically schedules the transient for cleanup
-     *
-     * @param string $transient_key [required]
-     * @param string $data          [required]
-     * @param int    $expiration    number of seconds until the cache expires
-     * @return bool
-     */
-    public function add($transient_key, $data, $expiration = 0)
-    {
-        $expiration = (int) abs($expiration);
-        $saved = set_transient($transient_key, $data, $expiration);
-        if ($saved && $expiration) {
-            $this->scheduleTransientCleanup($transient_key, $expiration);
-        }
-        return $saved;
-    }
-
-
-    /**
-     * retrieves transient data
-     * automatically triggers early cache refresh for standard cache items
-     * in order to avoid cache stampedes on busy sites.
-     * For non-standard cache items like PHP Session data where early refreshing is not wanted,
-     * the $standard_cache parameter should be set to false when retrieving data
-     *
-     * @param string $transient_key [required]
-     * @param bool   $standard_cache
-     * @return mixed|null
-     */
-    public function get($transient_key, $standard_cache = true)
-    {
-        if (isset($this->transients[ $transient_key ])) {
-            // to avoid cache stampedes (AKA:dogpiles) for standard cache items,
-            // check if known cache expires within the next minute,
-            // and if so, remove it from our tracking and and return nothing.
-            // this should trigger the cache content to be regenerated during this request,
-            // while allowing any following requests to still access the existing cache
-            // until it gets replaced with the refreshed content
-            if (
-                $standard_cache
-                && $this->transients[ $transient_key ] - time() <= MINUTE_IN_SECONDS
-            ) {
-                unset($this->transients[ $transient_key ]);
-                $this->updateTransients();
-                return null;
-            }
-
-            // for non standard cache items, remove the key from our tracking,
-            // but proceed to retrieve the transient so that it also gets removed from the db
-            if ($this->transients[ $transient_key ] <= time()) {
-                unset($this->transients[ $transient_key ]);
-                $this->updateTransients();
-            }
-        }
-
-        $content = get_transient($transient_key);
-        return $content !== false ? $content : null;
-    }
-
-
-    /**
-     * delete a single transient and remove tracking
-     *
-     * @param string $transient_key [required] full or partial transient key to be deleted
-     */
-    public function delete($transient_key)
-    {
-        $this->deleteMany(array($transient_key));
-    }
-
-
-    /**
-     * delete multiple transients and remove tracking
-     *
-     * @param array $transient_keys [required] array of full or partial transient keys to be deleted
-     * @param bool  $force_delete   [optional] if true, then will not check incoming keys against those being tracked
-     *                              and proceed directly to deleting those entries from the cache storage
-     */
-    public function deleteMany(array $transient_keys, $force_delete = false)
-    {
-        $full_transient_keys = $force_delete ? $transient_keys : array();
-        if (empty($full_transient_keys)) {
-            foreach ($this->transients as $transient_key => $expiration) {
-                foreach ($transient_keys as $transient_key_to_delete) {
-                    if (strpos($transient_key, $transient_key_to_delete) !== false) {
-                        $full_transient_keys[] = $transient_key;
-                    }
-                }
-            }
-        }
-        if ($this->deleteTransientKeys($full_transient_keys)) {
-            $this->updateTransients();
-        }
-    }
-
-
-    /**
-     * sorts transients numerically by timestamp
-     * then saves the transient schedule to a WP option
-     */
-    private function updateTransients()
-    {
-        asort($this->transients, SORT_NUMERIC);
-        update_option(
-            TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
-            $this->transients
-        );
-    }
-
-
-    /**
-     * schedules a transient for cleanup by adding it to the transient tracking
-     *
-     * @param string $transient_key [required]
-     * @param int    $expiration    [required]
-     */
-    private function scheduleTransientCleanup($transient_key, $expiration)
-    {
-        // make sure a valid future timestamp is set
-        $expiration += $expiration < time() ? time() : 0;
-        // and round to the closest 15 minutes
-        $expiration = $this->roundTimestamp($expiration);
-        // save transients to clear using their ID as the key to avoid duplicates
-        $this->transients[ $transient_key ] = $expiration;
-        $this->updateTransients();
-    }
-
-
-    /**
-     * Since our tracked transients are sorted by their timestamps
-     * we can grab the first transient and see when it is scheduled for cleanup.
-     * If that timestamp is less than or equal to the current time,
-     * then cleanup is triggered
-     */
-    public function checkTransientCleanupSchedule()
-    {
-        if (empty($this->transients)) {
-            return;
-        }
-        // when do we run the next cleanup job?
-        reset($this->transients);
-        $next_scheduled_cleanup = current($this->transients);
-        // if the next cleanup job is scheduled for the current hour
-        if ($next_scheduled_cleanup <= $this->current_time) {
-            if ($this->cleanupExpiredTransients()) {
-                $this->updateTransients();
-            }
-        }
-    }
-
-
-    /**
-     * loops through the array of tracked transients,
-     * compiles a list of those that have expired, and sends that list off for deletion.
-     * Also removes any bad records from the transients array
-     *
-     * @return bool
-     */
-    private function cleanupExpiredTransients()
-    {
-        $update = false;
-        // filter the query limit. Set to 0 to turn off garbage collection
-        $limit = (int) abs(
-            apply_filters(
-                'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
-                50
-            )
-        );
-        // non-zero LIMIT means take out the trash
-        if ($limit) {
-            $transient_keys = array();
-            foreach ($this->transients as $transient_key => $expiration) {
-                if ($expiration > $this->current_time) {
-                    continue;
-                }
-                if (! $expiration || ! $transient_key) {
-                    unset($this->transients[ $transient_key ]);
-                    $update = true;
-                    continue;
-                }
-                $transient_keys[] = $transient_key;
-            }
-            // delete expired keys, but maintain value of $update if nothing is deleted
-            $update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
-            do_action('FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
-        }
-        return $update;
-    }
-
-
-    /**
-     * calls delete_transient() on each transient key provided, up to the specified limit
-     *
-     * @param array $transient_keys [required]
-     * @param int   $limit
-     * @return bool
-     */
-    private function deleteTransientKeys(array $transient_keys, $limit = 50)
-    {
-        if (empty($transient_keys)) {
-            return false;
-        }
-        $counter = 0;
-        foreach ($transient_keys as $transient_key) {
-            if ($counter === $limit) {
-                break;
-            }
-            // remove any transient prefixes
-            $transient_key = strpos($transient_key, '_transient_timeout_') === 0
-                ? str_replace('_transient_timeout_', '', $transient_key)
-                : $transient_key;
-            $transient_key = strpos($transient_key, '_transient_') === 0
-                ? str_replace('_transient_', '', $transient_key)
-                : $transient_key;
-            delete_transient($transient_key);
-            unset($this->transients[ $transient_key ]);
-            $counter++;
-        }
-        return $counter > 0;
-    }
+	/**
+	 * wp-option option_name for tracking transients
+	 *
+	 * @type string
+	 */
+	const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';
+
+	/**
+	 * @var int $current_time
+	 */
+	private $current_time;
+
+	/**
+	 * how often to perform transient cleanup
+	 *
+	 * @var string $transient_cleanup_frequency
+	 */
+	private $transient_cleanup_frequency;
+
+	/**
+	 * options for how often to perform transient cleanup
+	 *
+	 * @var array $transient_cleanup_frequency_options
+	 */
+	private $transient_cleanup_frequency_options = array();
+
+	/**
+	 * @var array $transients
+	 */
+	private $transients;
+
+
+	/**
+	 * TransientCacheStorage constructor.
+	 */
+	public function __construct()
+	{
+		$this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
+		// round current time down to closest 5 minutes to simplify scheduling
+		$this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
+		$this->transients = (array) get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
+		if (! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
+			add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
+		}
+	}
+
+
+	/**
+	 * Sets how often transient cleanup occurs
+	 *
+	 * @return string
+	 */
+	private function setTransientCleanupFrequency()
+	{
+		// sets how often transients are cleaned up
+		$this->transient_cleanup_frequency_options = apply_filters(
+			'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
+			array(
+				'off',
+				'15-minutes',
+				'hour',
+				'12-hours',
+				'day',
+			)
+		);
+		$transient_cleanup_frequency = apply_filters(
+			'FHEE__TransientCacheStorage__transient_cleanup_schedule',
+			'hour'
+		);
+		return in_array(
+			$transient_cleanup_frequency,
+			$this->transient_cleanup_frequency_options,
+			true
+		)
+			? $transient_cleanup_frequency
+			: 'hour';
+	}
+
+
+	/**
+	 * we need to be able to round timestamps off to match the set transient cleanup frequency
+	 * so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
+	 * then that timestamp needs to be rounded up to 2:00 pm so that it is removed
+	 * during the next scheduled cleanup after its expiration.
+	 * We also round off the current time timestamp to the closest 5 minutes
+	 * just to make the timestamps a little easier to round which helps with debugging.
+	 *
+	 * @param int    $timestamp [required]
+	 * @param string $cleanup_frequency
+	 * @param bool   $round_up
+	 * @return int
+	 */
+	private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
+	{
+		$cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
+		// in order to round the time to the closest xx minutes (or hours),
+		// we take the minutes (or hours) portion of the timestamp and divide it by xx,
+		// round down to a whole number, then multiply by xx to bring us almost back up to where we were
+		// why round down ? so the minutes (or hours) don't go over 60 (or 24)
+		// and bump the hour, which could bump the day, which could bump the month, etc,
+		// which would be bad because we don't always want to round up,
+		// but when we do we can easily achieve that by simply adding the desired offset,
+		$minutes = '00';
+		$hours = 'H';
+		switch ($cleanup_frequency) {
+			case '5-minutes':
+				$minutes = floor((int) date('i', $timestamp) / 5) * 5;
+				$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
+				$offset = MINUTE_IN_SECONDS * 5;
+				break;
+			case '15-minutes':
+				$minutes = floor((int) date('i', $timestamp) / 15) * 15;
+				$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
+				$offset = MINUTE_IN_SECONDS * 15;
+				break;
+			case '12-hours':
+				$hours = floor((int) date('H', $timestamp) / 12) * 12;
+				$hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
+				$offset = HOUR_IN_SECONDS * 12;
+				break;
+			case 'day':
+				$hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
+				$offset = DAY_IN_SECONDS;
+				break;
+			case 'hour':
+			default:
+				$offset = HOUR_IN_SECONDS;
+				break;
+		}
+		$rounded_timestamp = (int) strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
+		$rounded_timestamp += $round_up ? $offset : 0;
+		return apply_filters(
+			'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
+			$rounded_timestamp,
+			$timestamp,
+			$cleanup_frequency,
+			$round_up
+		);
+	}
+
+
+	/**
+	 * Saves supplied data to a transient
+	 * if an expiration is set, then it automatically schedules the transient for cleanup
+	 *
+	 * @param string $transient_key [required]
+	 * @param string $data          [required]
+	 * @param int    $expiration    number of seconds until the cache expires
+	 * @return bool
+	 */
+	public function add($transient_key, $data, $expiration = 0)
+	{
+		$expiration = (int) abs($expiration);
+		$saved = set_transient($transient_key, $data, $expiration);
+		if ($saved && $expiration) {
+			$this->scheduleTransientCleanup($transient_key, $expiration);
+		}
+		return $saved;
+	}
+
+
+	/**
+	 * retrieves transient data
+	 * automatically triggers early cache refresh for standard cache items
+	 * in order to avoid cache stampedes on busy sites.
+	 * For non-standard cache items like PHP Session data where early refreshing is not wanted,
+	 * the $standard_cache parameter should be set to false when retrieving data
+	 *
+	 * @param string $transient_key [required]
+	 * @param bool   $standard_cache
+	 * @return mixed|null
+	 */
+	public function get($transient_key, $standard_cache = true)
+	{
+		if (isset($this->transients[ $transient_key ])) {
+			// to avoid cache stampedes (AKA:dogpiles) for standard cache items,
+			// check if known cache expires within the next minute,
+			// and if so, remove it from our tracking and and return nothing.
+			// this should trigger the cache content to be regenerated during this request,
+			// while allowing any following requests to still access the existing cache
+			// until it gets replaced with the refreshed content
+			if (
+				$standard_cache
+				&& $this->transients[ $transient_key ] - time() <= MINUTE_IN_SECONDS
+			) {
+				unset($this->transients[ $transient_key ]);
+				$this->updateTransients();
+				return null;
+			}
+
+			// for non standard cache items, remove the key from our tracking,
+			// but proceed to retrieve the transient so that it also gets removed from the db
+			if ($this->transients[ $transient_key ] <= time()) {
+				unset($this->transients[ $transient_key ]);
+				$this->updateTransients();
+			}
+		}
+
+		$content = get_transient($transient_key);
+		return $content !== false ? $content : null;
+	}
+
+
+	/**
+	 * delete a single transient and remove tracking
+	 *
+	 * @param string $transient_key [required] full or partial transient key to be deleted
+	 */
+	public function delete($transient_key)
+	{
+		$this->deleteMany(array($transient_key));
+	}
+
+
+	/**
+	 * delete multiple transients and remove tracking
+	 *
+	 * @param array $transient_keys [required] array of full or partial transient keys to be deleted
+	 * @param bool  $force_delete   [optional] if true, then will not check incoming keys against those being tracked
+	 *                              and proceed directly to deleting those entries from the cache storage
+	 */
+	public function deleteMany(array $transient_keys, $force_delete = false)
+	{
+		$full_transient_keys = $force_delete ? $transient_keys : array();
+		if (empty($full_transient_keys)) {
+			foreach ($this->transients as $transient_key => $expiration) {
+				foreach ($transient_keys as $transient_key_to_delete) {
+					if (strpos($transient_key, $transient_key_to_delete) !== false) {
+						$full_transient_keys[] = $transient_key;
+					}
+				}
+			}
+		}
+		if ($this->deleteTransientKeys($full_transient_keys)) {
+			$this->updateTransients();
+		}
+	}
+
+
+	/**
+	 * sorts transients numerically by timestamp
+	 * then saves the transient schedule to a WP option
+	 */
+	private function updateTransients()
+	{
+		asort($this->transients, SORT_NUMERIC);
+		update_option(
+			TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
+			$this->transients
+		);
+	}
+
+
+	/**
+	 * schedules a transient for cleanup by adding it to the transient tracking
+	 *
+	 * @param string $transient_key [required]
+	 * @param int    $expiration    [required]
+	 */
+	private function scheduleTransientCleanup($transient_key, $expiration)
+	{
+		// make sure a valid future timestamp is set
+		$expiration += $expiration < time() ? time() : 0;
+		// and round to the closest 15 minutes
+		$expiration = $this->roundTimestamp($expiration);
+		// save transients to clear using their ID as the key to avoid duplicates
+		$this->transients[ $transient_key ] = $expiration;
+		$this->updateTransients();
+	}
+
+
+	/**
+	 * Since our tracked transients are sorted by their timestamps
+	 * we can grab the first transient and see when it is scheduled for cleanup.
+	 * If that timestamp is less than or equal to the current time,
+	 * then cleanup is triggered
+	 */
+	public function checkTransientCleanupSchedule()
+	{
+		if (empty($this->transients)) {
+			return;
+		}
+		// when do we run the next cleanup job?
+		reset($this->transients);
+		$next_scheduled_cleanup = current($this->transients);
+		// if the next cleanup job is scheduled for the current hour
+		if ($next_scheduled_cleanup <= $this->current_time) {
+			if ($this->cleanupExpiredTransients()) {
+				$this->updateTransients();
+			}
+		}
+	}
+
+
+	/**
+	 * loops through the array of tracked transients,
+	 * compiles a list of those that have expired, and sends that list off for deletion.
+	 * Also removes any bad records from the transients array
+	 *
+	 * @return bool
+	 */
+	private function cleanupExpiredTransients()
+	{
+		$update = false;
+		// filter the query limit. Set to 0 to turn off garbage collection
+		$limit = (int) abs(
+			apply_filters(
+				'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
+				50
+			)
+		);
+		// non-zero LIMIT means take out the trash
+		if ($limit) {
+			$transient_keys = array();
+			foreach ($this->transients as $transient_key => $expiration) {
+				if ($expiration > $this->current_time) {
+					continue;
+				}
+				if (! $expiration || ! $transient_key) {
+					unset($this->transients[ $transient_key ]);
+					$update = true;
+					continue;
+				}
+				$transient_keys[] = $transient_key;
+			}
+			// delete expired keys, but maintain value of $update if nothing is deleted
+			$update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
+			do_action('FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
+		}
+		return $update;
+	}
+
+
+	/**
+	 * calls delete_transient() on each transient key provided, up to the specified limit
+	 *
+	 * @param array $transient_keys [required]
+	 * @param int   $limit
+	 * @return bool
+	 */
+	private function deleteTransientKeys(array $transient_keys, $limit = 50)
+	{
+		if (empty($transient_keys)) {
+			return false;
+		}
+		$counter = 0;
+		foreach ($transient_keys as $transient_key) {
+			if ($counter === $limit) {
+				break;
+			}
+			// remove any transient prefixes
+			$transient_key = strpos($transient_key, '_transient_timeout_') === 0
+				? str_replace('_transient_timeout_', '', $transient_key)
+				: $transient_key;
+			$transient_key = strpos($transient_key, '_transient_') === 0
+				? str_replace('_transient_', '', $transient_key)
+				: $transient_key;
+			delete_transient($transient_key);
+			unset($this->transients[ $transient_key ]);
+			$counter++;
+		}
+		return $counter > 0;
+	}
 }

Spacing +10 added lines, -10 removed lines

@@ -57,7 +57,7 @@ 
         // round current time down to closest 5 minutes to simplify scheduling
         $this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
         $this->transients = (array) get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
             add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
         }
     }
@@ -190,7 +190,7 @@ 
      */
     public function get($transient_key, $standard_cache = true)
     {
-        if (isset($this->transients[ $transient_key ])) {
+        if (isset($this->transients[$transient_key])) {
             // to avoid cache stampedes (AKA:dogpiles) for standard cache items,
             // check if known cache expires within the next minute,
             // and if so, remove it from our tracking and and return nothing.
@@ -199,17 +199,17 @@ 
             // until it gets replaced with the refreshed content
             if (
                 $standard_cache
-                && $this->transients[ $transient_key ] - time() <= MINUTE_IN_SECONDS
+                && $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
             ) {
-                unset($this->transients[ $transient_key ]);
+                unset($this->transients[$transient_key]);
                 $this->updateTransients();
                 return null;
             }
 
             // for non standard cache items, remove the key from our tracking,
             // but proceed to retrieve the transient so that it also gets removed from the db
-            if ($this->transients[ $transient_key ] <= time()) {
-                unset($this->transients[ $transient_key ]);
+            if ($this->transients[$transient_key] <= time()) {
+                unset($this->transients[$transient_key]);
                 $this->updateTransients();
             }
         }
@@ -282,7 +282,7 @@ 
         // and round to the closest 15 minutes
         $expiration = $this->roundTimestamp($expiration);
         // save transients to clear using their ID as the key to avoid duplicates
-        $this->transients[ $transient_key ] = $expiration;
+        $this->transients[$transient_key] = $expiration;
         $this->updateTransients();
     }
 
@@ -334,8 +334,8 @@ 
                 if ($expiration > $this->current_time) {
                     continue;
                 }
-                if (! $expiration || ! $transient_key) {
-                    unset($this->transients[ $transient_key ]);
+                if ( ! $expiration || ! $transient_key) {
+                    unset($this->transients[$transient_key]);
                     $update = true;
                     continue;
                 }
@@ -374,7 +374,7 @@ 
                 ? str_replace('_transient_', '', $transient_key)
                 : $transient_key;
             delete_transient($transient_key);
-            unset($this->transients[ $transient_key ]);
+            unset($this->transients[$transient_key]);
             $counter++;
         }
         return $counter > 0;

core/services/request/middleware/DetectLogin.php

Indentation +25 added lines, -25 removed lines

@@ -16,29 +16,29 @@
 class DetectLogin extends Middleware
 {
 
-    /**
-     * converts a Request to a Response
-     *
-     * @param RequestInterface  $request
-     * @param ResponseInterface $response
-     * @return ResponseInterface
-     */
-    public function handleRequest(RequestInterface $request, ResponseInterface $response)
-    {
-        $this->request = $request;
-        $this->response = $response;
-        global $pagenow;
-        if (
-            in_array(
-                $pagenow,
-                array('wp-login.php', 'wp-register.php'),
-                true
-            )
-            && ! filter_var($request->getRequestParam('ee_load_on_login'), FILTER_VALIDATE_BOOLEAN)
-        ) {
-            $this->response->terminateRequest();
-        }
-        $this->response = $this->processRequestStack($this->request, $this->response);
-        return $this->response;
-    }
+	/**
+	 * converts a Request to a Response
+	 *
+	 * @param RequestInterface  $request
+	 * @param ResponseInterface $response
+	 * @return ResponseInterface
+	 */
+	public function handleRequest(RequestInterface $request, ResponseInterface $response)
+	{
+		$this->request = $request;
+		$this->response = $response;
+		global $pagenow;
+		if (
+			in_array(
+				$pagenow,
+				array('wp-login.php', 'wp-register.php'),
+				true
+			)
+			&& ! filter_var($request->getRequestParam('ee_load_on_login'), FILTER_VALIDATE_BOOLEAN)
+		) {
+			$this->response->terminateRequest();
+		}
+		$this->response = $this->processRequestStack($this->request, $this->response);
+		return $this->response;
+	}
 }

core/services/container/DependencyInjector.php

Indentation +207 added lines, -207 removed lines

@@ -21,216 +21,216 @@
 class DependencyInjector implements InjectorInterface
 {
 
-    /**
-     * @var CoffeePotInterface $coffee_pot
-     */
-    private $coffee_pot;
-
-    /**
-     * @var EEH_Array $array_helper
-     */
-    private $array_helper;
-
-    /**
-     * @var ReflectionClass[] $reflectors
-     */
-    private $reflectors;
-
-    /**
-     * @var ReflectionMethod[] $constructors
-     */
-    private $constructors;
-
-    /**
-     * @var ReflectionParameter[] $parameters
-     */
-    private $parameters;
-
-
-    /**
-     * DependencyInjector constructor
-     *
-     * @param CoffeePotInterface $coffee_pot
-     * @param EEH_Array          $array_helper
-     */
-    public function __construct(CoffeePotInterface $coffee_pot, EEH_Array $array_helper)
-    {
-        $this->coffee_pot = $coffee_pot;
-        $this->array_helper = $array_helper;
-    }
-
-
-    /**
-     * getReflectionClass
-     * checks if a ReflectionClass object has already been generated for a class
-     * and returns that instead of creating a new one
-     *
-     * @param string $class_name
-     * @return ReflectionClass
-     */
-    public function getReflectionClass($class_name)
-    {
-        if (
-            ! isset($this->reflectors[ $class_name ])
-            || ! $this->reflectors[ $class_name ] instanceof ReflectionClass
-        ) {
-            $this->reflectors[ $class_name ] = new ReflectionClass($class_name);
-        }
-        return $this->reflectors[ $class_name ];
-    }
-
-
-    /**
-     * getConstructor
-     * checks if a ReflectionMethod object has already been generated for the class constructor
-     * and returns that instead of creating a new one
-     *
-     * @param ReflectionClass $reflector
-     * @return ReflectionMethod
-     */
-    protected function getConstructor(ReflectionClass $reflector)
-    {
-        if (
-            ! isset($this->constructors[ $reflector->getName() ])
-            || ! $this->constructors[ $reflector->getName() ] instanceof ReflectionMethod
-        ) {
-            $this->constructors[ $reflector->getName() ] = $reflector->getConstructor();
-        }
-        return $this->constructors[ $reflector->getName() ];
-    }
-
-
-    /**
-     * getParameters
-     * checks if an array of ReflectionParameter objects has already been generated for the class constructor
-     * and returns that instead of creating a new one
-     *
-     * @param ReflectionMethod $constructor
-     * @return ReflectionParameter[]
-     */
-    protected function getParameters(ReflectionMethod $constructor)
-    {
-        if (! isset($this->parameters[ $constructor->class ])) {
-            $this->parameters[ $constructor->class ] = $constructor->getParameters();
-        }
-        return $this->parameters[ $constructor->class ];
-    }
-
-
-    /**
-     * resolveDependencies
-     * examines the constructor for the requested class to determine
-     * if any dependencies exist, and if they can be injected.
-     * If so, then those classes will be added to the array of arguments passed to the constructor
-     * PLZ NOTE: this is achieved by type hinting the constructor params
-     * For example:
-     *        if attempting to load a class "Foo" with the following constructor:
-     *        __construct( Bar $bar_class, Fighter $grohl_class )
-     *        then $bar_class and $grohl_class will be added to the $arguments array,
-     *        but only IF they are NOT already present in the incoming arguments array,
-     *        and the correct classes can be loaded
-     *
-     * @param RecipeInterface $recipe
-     * @param ReflectionClass $reflector
-     * @param array           $arguments
-     * @return array
-     * @throws UnexpectedValueException
-     */
-    public function resolveDependencies(RecipeInterface $recipe, ReflectionClass $reflector, $arguments = array())
-    {
-        // if arguments array is numerically and sequentially indexed, then we want it to remain as is,
-        // else wrap it in an additional array so that it doesn't get split into multiple parameters
-        $arguments = $this->array_helper->is_array_numerically_and_sequentially_indexed($arguments)
-            ? $arguments
-            : array($arguments);
-        $resolved_parameters = array();
-        // let's examine the constructor
-        // let's examine the constructor
-        $constructor = $this->getConstructor($reflector);
-        // whu? huh? nothing?
-        if (! $constructor) {
-            return $arguments;
-        }
-        // get constructor parameters
-        $params = $this->getParameters($constructor);
-        if (empty($params)) {
-            return $resolved_parameters;
-        }
-        $ingredients = $recipe->ingredients();
-        // and the keys for the incoming arguments array so that we can compare existing arguments with what is expected
-        $argument_keys = array_keys($arguments);
-        // now loop thru all of the constructors expected parameters
-        foreach ($params as $index => $param) {
-            if (! $param instanceof ReflectionParameter) {
-                continue;
-            }
-            // is this a dependency for a specific class ?
-            $param_class = $param->getClass() ? $param->getClass()->name : '';
-            $param_name = $param->getName() ? $param->getName() : '';
-            if (
+	/**
+	 * @var CoffeePotInterface $coffee_pot
+	 */
+	private $coffee_pot;
+
+	/**
+	 * @var EEH_Array $array_helper
+	 */
+	private $array_helper;
+
+	/**
+	 * @var ReflectionClass[] $reflectors
+	 */
+	private $reflectors;
+
+	/**
+	 * @var ReflectionMethod[] $constructors
+	 */
+	private $constructors;
+
+	/**
+	 * @var ReflectionParameter[] $parameters
+	 */
+	private $parameters;
+
+
+	/**
+	 * DependencyInjector constructor
+	 *
+	 * @param CoffeePotInterface $coffee_pot
+	 * @param EEH_Array          $array_helper
+	 */
+	public function __construct(CoffeePotInterface $coffee_pot, EEH_Array $array_helper)
+	{
+		$this->coffee_pot = $coffee_pot;
+		$this->array_helper = $array_helper;
+	}
+
+
+	/**
+	 * getReflectionClass
+	 * checks if a ReflectionClass object has already been generated for a class
+	 * and returns that instead of creating a new one
+	 *
+	 * @param string $class_name
+	 * @return ReflectionClass
+	 */
+	public function getReflectionClass($class_name)
+	{
+		if (
+			! isset($this->reflectors[ $class_name ])
+			|| ! $this->reflectors[ $class_name ] instanceof ReflectionClass
+		) {
+			$this->reflectors[ $class_name ] = new ReflectionClass($class_name);
+		}
+		return $this->reflectors[ $class_name ];
+	}
+
+
+	/**
+	 * getConstructor
+	 * checks if a ReflectionMethod object has already been generated for the class constructor
+	 * and returns that instead of creating a new one
+	 *
+	 * @param ReflectionClass $reflector
+	 * @return ReflectionMethod
+	 */
+	protected function getConstructor(ReflectionClass $reflector)
+	{
+		if (
+			! isset($this->constructors[ $reflector->getName() ])
+			|| ! $this->constructors[ $reflector->getName() ] instanceof ReflectionMethod
+		) {
+			$this->constructors[ $reflector->getName() ] = $reflector->getConstructor();
+		}
+		return $this->constructors[ $reflector->getName() ];
+	}
+
+
+	/**
+	 * getParameters
+	 * checks if an array of ReflectionParameter objects has already been generated for the class constructor
+	 * and returns that instead of creating a new one
+	 *
+	 * @param ReflectionMethod $constructor
+	 * @return ReflectionParameter[]
+	 */
+	protected function getParameters(ReflectionMethod $constructor)
+	{
+		if (! isset($this->parameters[ $constructor->class ])) {
+			$this->parameters[ $constructor->class ] = $constructor->getParameters();
+		}
+		return $this->parameters[ $constructor->class ];
+	}
+
+
+	/**
+	 * resolveDependencies
+	 * examines the constructor for the requested class to determine
+	 * if any dependencies exist, and if they can be injected.
+	 * If so, then those classes will be added to the array of arguments passed to the constructor
+	 * PLZ NOTE: this is achieved by type hinting the constructor params
+	 * For example:
+	 *        if attempting to load a class "Foo" with the following constructor:
+	 *        __construct( Bar $bar_class, Fighter $grohl_class )
+	 *        then $bar_class and $grohl_class will be added to the $arguments array,
+	 *        but only IF they are NOT already present in the incoming arguments array,
+	 *        and the correct classes can be loaded
+	 *
+	 * @param RecipeInterface $recipe
+	 * @param ReflectionClass $reflector
+	 * @param array           $arguments
+	 * @return array
+	 * @throws UnexpectedValueException
+	 */
+	public function resolveDependencies(RecipeInterface $recipe, ReflectionClass $reflector, $arguments = array())
+	{
+		// if arguments array is numerically and sequentially indexed, then we want it to remain as is,
+		// else wrap it in an additional array so that it doesn't get split into multiple parameters
+		$arguments = $this->array_helper->is_array_numerically_and_sequentially_indexed($arguments)
+			? $arguments
+			: array($arguments);
+		$resolved_parameters = array();
+		// let's examine the constructor
+		// let's examine the constructor
+		$constructor = $this->getConstructor($reflector);
+		// whu? huh? nothing?
+		if (! $constructor) {
+			return $arguments;
+		}
+		// get constructor parameters
+		$params = $this->getParameters($constructor);
+		if (empty($params)) {
+			return $resolved_parameters;
+		}
+		$ingredients = $recipe->ingredients();
+		// and the keys for the incoming arguments array so that we can compare existing arguments with what is expected
+		$argument_keys = array_keys($arguments);
+		// now loop thru all of the constructors expected parameters
+		foreach ($params as $index => $param) {
+			if (! $param instanceof ReflectionParameter) {
+				continue;
+			}
+			// is this a dependency for a specific class ?
+			$param_class = $param->getClass() ? $param->getClass()->name : '';
+			$param_name = $param->getName() ? $param->getName() : '';
+			if (
 // param is not a class but is specified in the list of ingredients for this Recipe
-                is_string($param_name) && isset($ingredients[ $param_name ])
-            ) {
-                // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $ingredients[ $param_name ];
-            } elseif (
+				is_string($param_name) && isset($ingredients[ $param_name ])
+			) {
+				// attempt to inject the dependency
+				$resolved_parameters[ $index ] = $ingredients[ $param_name ];
+			} elseif (
 // param is specified in the list of ingredients for this Recipe
-                isset($ingredients[ $param_class ])
-            ) { // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $this->injectDependency($reflector, $ingredients[ $param_class ]);
-            } elseif (
+				isset($ingredients[ $param_class ])
+			) { // attempt to inject the dependency
+				$resolved_parameters[ $index ] = $this->injectDependency($reflector, $ingredients[ $param_class ]);
+			} elseif (
 // param is not even a class
-                empty($param_class)
-                // and something already exists in the incoming arguments for this param
-                && isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
-            ) {
-                // add parameter from incoming arguments
-                $resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
-            } elseif (
+				empty($param_class)
+				// and something already exists in the incoming arguments for this param
+				&& isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
+			) {
+				// add parameter from incoming arguments
+				$resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
+			} elseif (
 // parameter is type hinted as a class, exists as an incoming argument, AND it's the correct class
-                ! empty($param_class)
-                && isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
-                && $arguments[ $argument_keys[ $index ] ] instanceof $param_class
-            ) {
-                // add parameter from incoming arguments
-                $resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
-            } elseif (
+				! empty($param_class)
+				&& isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
+				&& $arguments[ $argument_keys[ $index ] ] instanceof $param_class
+			) {
+				// add parameter from incoming arguments
+				$resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
+			} elseif (
 // parameter is type hinted as a class, and should be injected
-                ! empty($param_class)
-            ) {
-                // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $this->injectDependency($reflector, $param_class);
-            } elseif ($param->isOptional()) {
-                $resolved_parameters[ $index ] = $param->getDefaultValue();
-            } else {
-                $resolved_parameters[ $index ] = null;
-            }
-        }
-        return $resolved_parameters;
-    }
-
-
-    /**
-     * @param ReflectionClass $reflector
-     * @param string          $param_class
-     * @return mixed
-     * @throws UnexpectedValueException
-     */
-    private function injectDependency(ReflectionClass $reflector, $param_class)
-    {
-        $dependency = $this->coffee_pot->brew($param_class);
-        if (! $dependency instanceof $param_class) {
-            throw new UnexpectedValueException(
-                sprintf(
-                    esc_html__(
-                        'Could not resolve dependency for "%1$s" for the "%2$s" class constructor.',
-                        'event_espresso'
-                    ),
-                    $param_class,
-                    $reflector->getName()
-                )
-            );
-        }
-        return $dependency;
-    }
+				! empty($param_class)
+			) {
+				// attempt to inject the dependency
+				$resolved_parameters[ $index ] = $this->injectDependency($reflector, $param_class);
+			} elseif ($param->isOptional()) {
+				$resolved_parameters[ $index ] = $param->getDefaultValue();
+			} else {
+				$resolved_parameters[ $index ] = null;
+			}
+		}
+		return $resolved_parameters;
+	}
+
+
+	/**
+	 * @param ReflectionClass $reflector
+	 * @param string          $param_class
+	 * @return mixed
+	 * @throws UnexpectedValueException
+	 */
+	private function injectDependency(ReflectionClass $reflector, $param_class)
+	{
+		$dependency = $this->coffee_pot->brew($param_class);
+		if (! $dependency instanceof $param_class) {
+			throw new UnexpectedValueException(
+				sprintf(
+					esc_html__(
+						'Could not resolve dependency for "%1$s" for the "%2$s" class constructor.',
+						'event_espresso'
+					),
+					$param_class,
+					$reflector->getName()
+				)
+			);
+		}
+		return $dependency;
+	}
 }

Spacing +26 added lines, -26 removed lines

@@ -71,12 +71,12 @@ 
     public function getReflectionClass($class_name)
     {
         if (
-            ! isset($this->reflectors[ $class_name ])
-            || ! $this->reflectors[ $class_name ] instanceof ReflectionClass
+            ! isset($this->reflectors[$class_name])
+            || ! $this->reflectors[$class_name] instanceof ReflectionClass
         ) {
-            $this->reflectors[ $class_name ] = new ReflectionClass($class_name);
+            $this->reflectors[$class_name] = new ReflectionClass($class_name);
         }
-        return $this->reflectors[ $class_name ];
+        return $this->reflectors[$class_name];
     }
 
 
@@ -91,12 +91,12 @@ 
     protected function getConstructor(ReflectionClass $reflector)
     {
         if (
-            ! isset($this->constructors[ $reflector->getName() ])
-            || ! $this->constructors[ $reflector->getName() ] instanceof ReflectionMethod
+            ! isset($this->constructors[$reflector->getName()])
+            || ! $this->constructors[$reflector->getName()] instanceof ReflectionMethod
         ) {
-            $this->constructors[ $reflector->getName() ] = $reflector->getConstructor();
+            $this->constructors[$reflector->getName()] = $reflector->getConstructor();
         }
-        return $this->constructors[ $reflector->getName() ];
+        return $this->constructors[$reflector->getName()];
     }
 
 
@@ -110,10 +110,10 @@ 
      */
     protected function getParameters(ReflectionMethod $constructor)
     {
-        if (! isset($this->parameters[ $constructor->class ])) {
-            $this->parameters[ $constructor->class ] = $constructor->getParameters();
+        if ( ! isset($this->parameters[$constructor->class])) {
+            $this->parameters[$constructor->class] = $constructor->getParameters();
         }
-        return $this->parameters[ $constructor->class ];
+        return $this->parameters[$constructor->class];
     }
 
 
@@ -148,7 +148,7 @@ 
         // let's examine the constructor
         $constructor = $this->getConstructor($reflector);
         // whu? huh? nothing?
-        if (! $constructor) {
+        if ( ! $constructor) {
             return $arguments;
         }
         // get constructor parameters
@@ -161,7 +161,7 @@ 
         $argument_keys = array_keys($arguments);
         // now loop thru all of the constructors expected parameters
         foreach ($params as $index => $param) {
-            if (! $param instanceof ReflectionParameter) {
+            if ( ! $param instanceof ReflectionParameter) {
                 continue;
             }
             // is this a dependency for a specific class ?
@@ -169,41 +169,41 @@ 
             $param_name = $param->getName() ? $param->getName() : '';
             if (
 // param is not a class but is specified in the list of ingredients for this Recipe
-                is_string($param_name) && isset($ingredients[ $param_name ])
+                is_string($param_name) && isset($ingredients[$param_name])
             ) {
                 // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $ingredients[ $param_name ];
+                $resolved_parameters[$index] = $ingredients[$param_name];
             } elseif (
 // param is specified in the list of ingredients for this Recipe
-                isset($ingredients[ $param_class ])
+                isset($ingredients[$param_class])
             ) { // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $this->injectDependency($reflector, $ingredients[ $param_class ]);
+                $resolved_parameters[$index] = $this->injectDependency($reflector, $ingredients[$param_class]);
             } elseif (
 // param is not even a class
                 empty($param_class)
                 // and something already exists in the incoming arguments for this param
-                && isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
+                && isset($argument_keys[$index], $arguments[$argument_keys[$index]])
             ) {
                 // add parameter from incoming arguments
-                $resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
+                $resolved_parameters[$index] = $arguments[$argument_keys[$index]];
             } elseif (
 // parameter is type hinted as a class, exists as an incoming argument, AND it's the correct class
                 ! empty($param_class)
-                && isset($argument_keys[ $index ], $arguments[ $argument_keys[ $index ] ])
-                && $arguments[ $argument_keys[ $index ] ] instanceof $param_class
+                && isset($argument_keys[$index], $arguments[$argument_keys[$index]])
+                && $arguments[$argument_keys[$index]] instanceof $param_class
             ) {
                 // add parameter from incoming arguments
-                $resolved_parameters[ $index ] = $arguments[ $argument_keys[ $index ] ];
+                $resolved_parameters[$index] = $arguments[$argument_keys[$index]];
             } elseif (
 // parameter is type hinted as a class, and should be injected
                 ! empty($param_class)
             ) {
                 // attempt to inject the dependency
-                $resolved_parameters[ $index ] = $this->injectDependency($reflector, $param_class);
+                $resolved_parameters[$index] = $this->injectDependency($reflector, $param_class);
             } elseif ($param->isOptional()) {
-                $resolved_parameters[ $index ] = $param->getDefaultValue();
+                $resolved_parameters[$index] = $param->getDefaultValue();
             } else {
-                $resolved_parameters[ $index ] = null;
+                $resolved_parameters[$index] = null;
             }
         }
         return $resolved_parameters;
@@ -219,7 +219,7 @@ 
     private function injectDependency(ReflectionClass $reflector, $param_class)
     {
         $dependency = $this->coffee_pot->brew($param_class);
-        if (! $dependency instanceof $param_class) {
+        if ( ! $dependency instanceof $param_class) {
             throw new UnexpectedValueException(
                 sprintf(
                     esc_html__(

core/db_classes/EE_Question_Option.class.php

Indentation +218 added lines, -218 removed lines

@@ -10,222 +10,222 @@
 class EE_Question_Option extends EE_Soft_Delete_Base_Class implements EEI_Duplicatable
 {
 
-    /**
-     * Question Option Opt Group Name
-     *
-     * @access protected
-     * @var string
-     */
-    protected $_QSO_opt_group = null;
-
-
-    /**
-     *
-     * @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  $date_formats            incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @return EE_Attendee
-     */
-    public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
-    {
-        $has_object = parent::_check_for_object($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 $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Attendee
-     */
-    public static function new_instance_from_db($props_n_values = array(), $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * Sets the option's key value
-     *
-     * @param string $value
-     * @return bool success
-     */
-    public function set_value($value)
-    {
-        $this->set('QSO_value', $value);
-    }
-
-
-    /**
-     * Sets the option's Display Text
-     *
-     * @param string $text
-     * @return bool success
-     */
-    public function set_desc($text)
-    {
-        $this->set('QSO_desc', $text);
-    }
-
-
-    /**
-     * Sets the order for this option
-     *
-     * @access public
-     * @param integer $order
-     * @return bool      $success
-     */
-    public function set_order($order)
-    {
-        $this->set('QSO_order', $order);
-    }
-
-
-    /**
-     * Sets the ID of the related question
-     *
-     * @param int $question_ID
-     * @return bool success
-     */
-    public function set_question_ID($question_ID)
-    {
-        $this->set('QST_ID', $question_ID);
-    }
-
-
-    /**
-     * Sets the option's opt_group
-     *
-     * @param string $text
-     * @return bool success
-     */
-    public function set_opt_group($text)
-    {
-        return $this->_QSO_opt_group = $text;
-    }
-
-
-    /**
-     * Gets the option's key value
-     *
-     * @return string
-     */
-    public function value()
-    {
-        return $this->get('QSO_value');
-    }
-
-
-    /**
-     * Gets the option's display text
-     *
-     * @return string
-     */
-    public function desc()
-    {
-        return $this->get('QSO_desc');
-    }
-
-
-    /**
-     * Returns whether this option has been deleted or not
-     *
-     * @return boolean
-     */
-    public function deleted()
-    {
-        return $this->get('QSO_deleted');
-    }
-
-
-    /**
-     * Returns the order or the Question Option
-     *
-     * @access public
-     * @return integer
-     */
-    public function order()
-    {
-        return $this->get('QSO_option');
-    }
-
-
-    /**
-     * Gets the related question's ID
-     *
-     * @return int
-     */
-    public function question_ID()
-    {
-        return $this->get('QST_ID');
-    }
-
-
-    /**
-     * Returns the question related to this question option
-     *
-     * @return EE_Question
-     */
-    public function question()
-    {
-        return $this->get_first_related('Question');
-    }
-
-
-    /**
-     * Gets the option's opt_group
-     *
-     * @return string
-     */
-    public function opt_group()
-    {
-        return $this->_QSO_opt_group;
-    }
-
-    /**
-     * Duplicates this question option. By default the new question option will be for the same question,
-     * but that can be overriden by setting the 'QST_ID' option
-     *
-     * @param array $options {
-     * @type int    $QST_ID  the QST_ID attribute of this question option, otherwise it will be for the same question
-     *                       as the original
-     */
-    public function duplicate($options = array())
-    {
-        $new_question_option = clone $this;
-        $new_question_option->set('QSO_ID', null);
-        if (
-            array_key_exists(
-                'QST_ID',
-                $options
-            )
-        ) {// use array_key_exists instead of isset because NULL might be a valid value
-            $new_question_option->set_question_ID($options['QST_ID']);
-        }
-        $new_question_option->save();
-    }
-
-    /**
-     * Gets the QSO_system value
-     *
-     * @return string|null
-     */
-    public function system()
-    {
-        return $this->get('QSO_system');
-    }
-
-    /**
-     * Sets QSO_system
-     *
-     * @param string $QSO_system
-     * @return bool
-     */
-    public function set_system($QSO_system)
-    {
-        return $this->set('QSO_system', $QSO_system);
-    }
+	/**
+	 * Question Option Opt Group Name
+	 *
+	 * @access protected
+	 * @var string
+	 */
+	protected $_QSO_opt_group = null;
+
+
+	/**
+	 *
+	 * @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  $date_formats            incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @return EE_Attendee
+	 */
+	public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
+	{
+		$has_object = parent::_check_for_object($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 $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Attendee
+	 */
+	public static function new_instance_from_db($props_n_values = array(), $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * Sets the option's key value
+	 *
+	 * @param string $value
+	 * @return bool success
+	 */
+	public function set_value($value)
+	{
+		$this->set('QSO_value', $value);
+	}
+
+
+	/**
+	 * Sets the option's Display Text
+	 *
+	 * @param string $text
+	 * @return bool success
+	 */
+	public function set_desc($text)
+	{
+		$this->set('QSO_desc', $text);
+	}
+
+
+	/**
+	 * Sets the order for this option
+	 *
+	 * @access public
+	 * @param integer $order
+	 * @return bool      $success
+	 */
+	public function set_order($order)
+	{
+		$this->set('QSO_order', $order);
+	}
+
+
+	/**
+	 * Sets the ID of the related question
+	 *
+	 * @param int $question_ID
+	 * @return bool success
+	 */
+	public function set_question_ID($question_ID)
+	{
+		$this->set('QST_ID', $question_ID);
+	}
+
+
+	/**
+	 * Sets the option's opt_group
+	 *
+	 * @param string $text
+	 * @return bool success
+	 */
+	public function set_opt_group($text)
+	{
+		return $this->_QSO_opt_group = $text;
+	}
+
+
+	/**
+	 * Gets the option's key value
+	 *
+	 * @return string
+	 */
+	public function value()
+	{
+		return $this->get('QSO_value');
+	}
+
+
+	/**
+	 * Gets the option's display text
+	 *
+	 * @return string
+	 */
+	public function desc()
+	{
+		return $this->get('QSO_desc');
+	}
+
+
+	/**
+	 * Returns whether this option has been deleted or not
+	 *
+	 * @return boolean
+	 */
+	public function deleted()
+	{
+		return $this->get('QSO_deleted');
+	}
+
+
+	/**
+	 * Returns the order or the Question Option
+	 *
+	 * @access public
+	 * @return integer
+	 */
+	public function order()
+	{
+		return $this->get('QSO_option');
+	}
+
+
+	/**
+	 * Gets the related question's ID
+	 *
+	 * @return int
+	 */
+	public function question_ID()
+	{
+		return $this->get('QST_ID');
+	}
+
+
+	/**
+	 * Returns the question related to this question option
+	 *
+	 * @return EE_Question
+	 */
+	public function question()
+	{
+		return $this->get_first_related('Question');
+	}
+
+
+	/**
+	 * Gets the option's opt_group
+	 *
+	 * @return string
+	 */
+	public function opt_group()
+	{
+		return $this->_QSO_opt_group;
+	}
+
+	/**
+	 * Duplicates this question option. By default the new question option will be for the same question,
+	 * but that can be overriden by setting the 'QST_ID' option
+	 *
+	 * @param array $options {
+	 * @type int    $QST_ID  the QST_ID attribute of this question option, otherwise it will be for the same question
+	 *                       as the original
+	 */
+	public function duplicate($options = array())
+	{
+		$new_question_option = clone $this;
+		$new_question_option->set('QSO_ID', null);
+		if (
+			array_key_exists(
+				'QST_ID',
+				$options
+			)
+		) {// use array_key_exists instead of isset because NULL might be a valid value
+			$new_question_option->set_question_ID($options['QST_ID']);
+		}
+		$new_question_option->save();
+	}
+
+	/**
+	 * Gets the QSO_system value
+	 *
+	 * @return string|null
+	 */
+	public function system()
+	{
+		return $this->get('QSO_system');
+	}
+
+	/**
+	 * Sets QSO_system
+	 *
+	 * @param string $QSO_system
+	 * @return bool
+	 */
+	public function set_system($QSO_system)
+	{
+		return $this->set('QSO_system', $QSO_system);
+	}
 }

core/db_classes/EE_Datetime.class.php

Spacing +9 added lines, -9 removed lines

@@ -533,7 +533,7 @@ 
             $date_or_time,
             $echo
         );
-        if (! $echo) {
+        if ( ! $echo) {
             return $dtt;
         }
         return '';
@@ -635,7 +635,7 @@ 
             ' ',
             $this->get_i18n_datetime('DTT_EVT_end', $dt_frmt)
         );
-        return $start !== $end ? $start . $conjunction . $end : $start;
+        return $start !== $end ? $start.$conjunction.$end : $start;
     }
 
 
@@ -743,7 +743,7 @@ 
             ' ',
             $this->get_i18n_datetime('DTT_EVT_end', $tm_format)
         );
-        return $start !== $end ? $start . $conjunction . $end : $start;
+        return $start !== $end ? $start.$conjunction.$end : $start;
     }
 
 
@@ -788,7 +788,7 @@ 
     ) {
         $dt_format = ! empty($dt_format) ? $dt_format : $this->_dt_frmt;
         $tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
-        $full_format = $dt_format . $separator . $tm_format;
+        $full_format = $dt_format.$separator.$tm_format;
         // the range output depends on various conditions
         switch (true) {
             // start date timestamp and end date timestamp are the same.
@@ -1029,7 +1029,7 @@ 
         // tickets remaining available for purchase
         // no need for special checks for infinite, because if DTT_reg_limit == EE_INF, then EE_INF - x = EE_INF
         $dtt_remaining = $this->reg_limit() - $this->sold_and_reserved();
-        if (! $consider_tickets) {
+        if ( ! $consider_tickets) {
             return $dtt_remaining;
         }
         $tickets_remaining = $this->tickets_remaining();
@@ -1053,7 +1053,7 @@ 
     {
         $sum = 0;
         $tickets = $this->tickets($query_params);
-        if (! empty($tickets)) {
+        if ( ! empty($tickets)) {
             foreach ($tickets as $ticket) {
                 if ($ticket instanceof EE_Ticket) {
                     // get the actual amount of tickets that can be sold
@@ -1204,7 +1204,7 @@ 
     {
         if ($use_dtt_name) {
             $dtt_name = $this->name();
-            if (! empty($dtt_name)) {
+            if ( ! empty($dtt_name)) {
                 return $dtt_name;
             }
         }
@@ -1212,14 +1212,14 @@ 
         if (
             date('m', $this->get_raw('DTT_EVT_start')) !== date('m', $this->get_raw('DTT_EVT_end'))
         ) {
-            $display_date = $this->start_date('M j\, Y g:i a') . ' - ' . $this->end_date('M j\, Y g:i a');
+            $display_date = $this->start_date('M j\, Y g:i a').' - '.$this->end_date('M j\, Y g:i a');
             // next condition is if its the same month but different day
         } else {
             if (
                 date('m', $this->get_raw('DTT_EVT_start')) === date('m', $this->get_raw('DTT_EVT_end'))
                 && date('d', $this->get_raw('DTT_EVT_start')) !== date('d', $this->get_raw('DTT_EVT_end'))
             ) {
-                $display_date = $this->start_date('M j\, g:i a') . ' - ' . $this->end_date('M j\, g:i a Y');
+                $display_date = $this->start_date('M j\, g:i a').' - '.$this->end_date('M j\, g:i a Y');
             } else {
                 $display_date = $this->start_date('F j\, Y')
                                 . ' @ '

Indentation +1404 added lines, -1404 removed lines

@@ -13,1412 +13,1412 @@
 class EE_Datetime extends EE_Soft_Delete_Base_Class
 {
 
-    /**
-     * constant used by get_active_status, indicates datetime has no more available spaces
-     */
-    const sold_out = 'DTS';
-
-    /**
-     * constant used by get_active_status, indicating datetime is still active (even is not over, can be registered-for)
-     */
-    const active = 'DTA';
-
-    /**
-     * constant used by get_active_status, indicating the datetime cannot be used for registrations yet, but has not
-     * expired
-     */
-    const upcoming = 'DTU';
-
-    /**
-     * Datetime is postponed
-     */
-    const postponed = 'DTP';
-
-    /**
-     * Datetime is cancelled
-     */
-    const cancelled = 'DTC';
-
-    /**
-     * constant used by get_active_status, indicates datetime has expired (event is over)
-     */
-    const expired = 'DTE';
-
-    /**
-     * constant used in various places indicating that an event is INACTIVE (not yet ready to be published)
-     */
-    const inactive = 'DTI';
-
-
-    /**
-     * @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  $date_formats      incoming date_formats in an array where the first value is the date_format
-     *                                  and the second value is the time format
-     * @return EE_Datetime
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
-    {
-        $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 $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Datetime
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public static function new_instance_from_db($props_n_values = array(), $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * @param $name
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_name($name)
-    {
-        $this->set('DTT_name', $name);
-    }
-
-
-    /**
-     * @param $description
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_description($description)
-    {
-        $this->set('DTT_description', $description);
-    }
-
-
-    /**
-     * Set event start date
-     * set the start date for an event
-     *
-     * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_start_date($date)
-    {
-        $this->_set_date_for($date, 'DTT_EVT_start');
-    }
-
-
-    /**
-     * Set event start time
-     * set the start time for an event
-     *
-     * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_start_time($time)
-    {
-        $this->_set_time_for($time, 'DTT_EVT_start');
-    }
-
-
-    /**
-     * Set event end date
-     * set the end date for an event
-     *
-     * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_end_date($date)
-    {
-        $this->_set_date_for($date, 'DTT_EVT_end');
-    }
-
-
-    /**
-     * Set event end time
-     * set the end time for an event
-     *
-     * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_end_time($time)
-    {
-        $this->_set_time_for($time, 'DTT_EVT_end');
-    }
-
-
-    /**
-     * Set registration limit
-     * set the maximum number of attendees that can be registered for this datetime slot
-     *
-     * @param int $reg_limit
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_reg_limit($reg_limit)
-    {
-        $this->set('DTT_reg_limit', $reg_limit);
-    }
-
-
-    /**
-     * get the number of tickets sold for this datetime slot
-     *
-     * @return mixed int on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold()
-    {
-        return $this->get_raw('DTT_sold');
-    }
-
-
-    /**
-     * @param int $sold
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_sold($sold)
-    {
-        // sold can not go below zero
-        $sold = max(0, $sold);
-        $this->set('DTT_sold', $sold);
-    }
-
-
-    /**
-     * Increments sold by amount passed by $qty, and persists it immediately to the database.
-     * Simultaneously decreases the reserved count, unless $also_decrease_reserved is false.
-     *
-     * @param int $qty
-     * @param boolean $also_decrease_reserved
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increaseSold($qty = 1, $also_decrease_reserved = true)
-    {
-        $qty = absint($qty);
-        if ($also_decrease_reserved) {
-            $success = $this->adjustNumericFieldsInDb(
-                [
-                    'DTT_reserved' => $qty * -1,
-                    'DTT_sold' => $qty
-                ]
-            );
-        } else {
-            $success = $this->adjustNumericFieldsInDb(
-                [
-                    'DTT_sold' => $qty
-                ]
-            );
-        }
-
-        do_action(
-            'AHEE__EE_Datetime__increase_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
-     * to save afterwards.)
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decreaseSold($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'DTT_sold' => $qty * -1
-            ]
-        );
-        do_action(
-            'AHEE__EE_Datetime__decrease_sold',
-            $this,
-            $qty,
-            $this->sold(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Gets qty of reserved tickets for this datetime
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function reserved()
-    {
-        return $this->get_raw('DTT_reserved');
-    }
-
-
-    /**
-     * Sets qty of reserved tickets for this datetime
-     *
-     * @param int $reserved
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function set_reserved($reserved)
-    {
-        // reserved can not go below zero
-        $reserved = max(0, (int) $reserved);
-        $this->set('DTT_reserved', $reserved);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increaseReserved($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->incrementFieldConditionallyInDb(
-            'DTT_reserved',
-            'DTT_sold',
-            'DTT_reg_limit',
-            $qty
-        );
-        do_action(
-            'AHEE__EE_Datetime__increase_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decreaseReserved($qty = 1)
-    {
-        $qty = absint($qty);
-        $success = $this->adjustNumericFieldsInDb(
-            [
-                'DTT_reserved' => $qty * -1
-            ]
-        );
-        do_action(
-            'AHEE__EE_Datetime__decrease_reserved',
-            $this,
-            $qty,
-            $this->reserved(),
-            $success
-        );
-        return $success;
-    }
-
-
-    /**
-     * total sold and reserved tickets
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold_and_reserved()
-    {
-        return $this->sold() + $this->reserved();
-    }
-
-
-    /**
-     * returns the datetime name
-     *
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function name()
-    {
-        return $this->get('DTT_name');
-    }
-
-
-    /**
-     * returns the datetime description
-     *
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function description()
-    {
-        return $this->get('DTT_description');
-    }
-
-
-    /**
-     * This helper simply returns whether the event_datetime for the current datetime is a primary datetime
-     *
-     * @return boolean  TRUE if is primary, FALSE if not.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_primary()
-    {
-        return $this->get('DTT_is_primary');
-    }
-
-
-    /**
-     * This helper simply returns the order for the datetime
-     *
-     * @return int  The order of the datetime for this event.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function order()
-    {
-        return $this->get('DTT_order');
-    }
-
-
-    /**
-     * This helper simply returns the parent id for the datetime
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function parent()
-    {
-        return $this->get('DTT_parent');
-    }
-
-
-    /**
-     * show date and/or time
-     *
-     * @param string $date_or_time    whether to display a date or time or both
-     * @param string $start_or_end    whether to display start or end datetimes
-     * @param string $dt_frmt
-     * @param string $tm_frmt
-     * @param bool   $echo            whether we echo or return (note echoing uses "pretty" formats,
-     *                                otherwise we use the standard formats)
-     * @return string|bool  string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    private function _show_datetime(
-        $date_or_time = null,
-        $start_or_end = 'start',
-        $dt_frmt = '',
-        $tm_frmt = '',
-        $echo = false
-    ) {
-        $field_name = "DTT_EVT_{$start_or_end}";
-        $dtt = $this->_get_datetime(
-            $field_name,
-            $dt_frmt,
-            $tm_frmt,
-            $date_or_time,
-            $echo
-        );
-        if (! $echo) {
-            return $dtt;
-        }
-        return '';
-    }
-
-
-    /**
-     * get event start date.  Provide either the date format, or NULL to re-use the
-     * last-used format, or '' to use the default date format
-     *
-     * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
-     * @return mixed            string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_date($dt_frmt = '')
-    {
-        return $this->_show_datetime('D', 'start', $dt_frmt);
-    }
-
-
-    /**
-     * Echoes start_date()
-     *
-     * @param string $dt_frmt
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_date($dt_frmt = '')
-    {
-        $this->_show_datetime('D', 'start', $dt_frmt, null, true);
-    }
-
-
-    /**
-     * get end date. Provide either the date format, or NULL to re-use the
-     * last-used format, or '' to use the default date format
-     *
-     * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
-     * @return mixed            string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_date($dt_frmt = '')
-    {
-        return $this->_show_datetime('D', 'end', $dt_frmt);
-    }
-
-
-    /**
-     * Echoes the end date. See end_date()
-     *
-     * @param string $dt_frmt
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_date($dt_frmt = '')
-    {
-        $this->_show_datetime('D', 'end', $dt_frmt, null, true);
-    }
-
-
-    /**
-     * get date_range - meaning the start AND end date
-     *
-     * @access public
-     * @param string $dt_frmt     string representation of date format defaults to WP settings
-     * @param string $conjunction conjunction junction what's your function ?
-     *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
-     * @return mixed              string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function date_range($dt_frmt = '', $conjunction = ' - ')
-    {
-        $dt_frmt = ! empty($dt_frmt) ? $dt_frmt : $this->_dt_frmt;
-        $start = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_start', $dt_frmt)
-        );
-        $end = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_end', $dt_frmt)
-        );
-        return $start !== $end ? $start . $conjunction . $end : $start;
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $conjunction
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_date_range($dt_frmt = '', $conjunction = ' - ')
-    {
-        echo esc_html($this->date_range($dt_frmt, $conjunction));
-    }
-
-
-    /**
-     * get start time
-     *
-     * @param string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return mixed        string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_time($tm_format = '')
-    {
-        return $this->_show_datetime('T', 'start', null, $tm_format);
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_time($tm_format = '')
-    {
-        $this->_show_datetime('T', 'start', null, $tm_format, true);
-    }
-
-
-    /**
-     * get end time
-     *
-     * @param string $tm_format string representation of time format defaults to 'g:i a'
-     * @return mixed                string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_time($tm_format = '')
-    {
-        return $this->_show_datetime('T', 'end', null, $tm_format);
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_time($tm_format = '')
-    {
-        $this->_show_datetime('T', 'end', null, $tm_format, true);
-    }
-
-
-    /**
-     * get time_range
-     *
-     * @access public
-     * @param string $tm_format   string representation of time format defaults to 'g:i a'
-     * @param string $conjunction conjunction junction what's your function ?
-     *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
-     * @return mixed              string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function time_range($tm_format = '', $conjunction = ' - ')
-    {
-        $tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
-        $start = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_start', $tm_format)
-        );
-        $end = str_replace(
-            ' ',
-            ' ',
-            $this->get_i18n_datetime('DTT_EVT_end', $tm_format)
-        );
-        return $start !== $end ? $start . $conjunction . $end : $start;
-    }
-
-
-    /**
-     * @param string $tm_format
-     * @param string $conjunction
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_time_range($tm_format = '', $conjunction = ' - ')
-    {
-        echo esc_html($this->time_range($tm_format, $conjunction));
-    }
-
-
-    /**
-     * This returns a range representation of the date and times.
-     * Output is dependent on the difference (or similarity) between DTT_EVT_start and DTT_EVT_end.
-     * Also, the return value is localized.
-     *
-     * @param string $dt_format
-     * @param string $tm_format
-     * @param string $conjunction used between two different dates or times.
-     *                            ex: Dec 1{$conjunction}}Dec 6, or 2pm{$conjunction}3pm
-     * @param string $separator   used between the date and time formats.
-     *                            ex: Dec 1, 2016{$separator}2pm
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function date_and_time_range(
-        $dt_format = '',
-        $tm_format = '',
-        $conjunction = ' - ',
-        $separator = ' '
-    ) {
-        $dt_format = ! empty($dt_format) ? $dt_format : $this->_dt_frmt;
-        $tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
-        $full_format = $dt_format . $separator . $tm_format;
-        // the range output depends on various conditions
-        switch (true) {
-            // start date timestamp and end date timestamp are the same.
-            case ($this->get_raw('DTT_EVT_start') === $this->get_raw('DTT_EVT_end')):
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format);
-                break;
-            // start and end date are the same but times are different
-            case ($this->start_date() === $this->end_date()):
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
-                          . $conjunction
-                          . $this->get_i18n_datetime('DTT_EVT_end', $tm_format);
-                break;
-            // all other conditions
-            default:
-                $output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
-                          . $conjunction
-                          . $this->get_i18n_datetime('DTT_EVT_end', $full_format);
-                break;
-        }
-        return $output;
-    }
-
-
-    /**
-     * This echos the results of date and time range.
-     *
-     * @see date_and_time_range() for more details on purpose.
-     * @param string $dt_format
-     * @param string $tm_format
-     * @param string $conjunction
-     * @return void
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_date_and_time_range($dt_format = '', $tm_format = '', $conjunction = ' - ')
-    {
-        echo esc_html($this->date_and_time_range($dt_format, $tm_format, $conjunction));
-    }
-
-
-    /**
-     * get start date and start time
-     *
-     * @param    string $dt_format - string representation of date format defaults to 'F j, Y'
-     * @param    string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return    mixed    string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start_date_and_time($dt_format = '', $tm_format = '')
-    {
-        return $this->_show_datetime('', 'start', $dt_format, $tm_format);
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_start_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        $this->_show_datetime('', 'start', $dt_frmt, $tm_format, true);
-    }
-
-
-    /**
-     * Shows the length of the event (start to end time).
-     * Can be shown in 'seconds','minutes','hours', or 'days'.
-     * By default, rounds up. (So if you use 'days', and then event
-     * only occurs for 1 hour, it will return 1 day).
-     *
-     * @param string $units 'seconds','minutes','hours','days'
-     * @param bool   $round_up
-     * @return float|int|mixed
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function length($units = 'seconds', $round_up = false)
-    {
-        $start = $this->get_raw('DTT_EVT_start');
-        $end = $this->get_raw('DTT_EVT_end');
-        $length_in_units = $end - $start;
-        switch ($units) {
-            // NOTE: We purposefully don't use "break;" in order to chain the divisions
-            /** @noinspection PhpMissingBreakStatementInspection */
-            // phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
-            case 'days':
-                $length_in_units /= 24;
-            /** @noinspection PhpMissingBreakStatementInspection */
-            case 'hours':
-                // fall through is intentional
-                $length_in_units /= 60;
-            /** @noinspection PhpMissingBreakStatementInspection */
-            case 'minutes':
-                // fall through is intentional
-                $length_in_units /= 60;
-            case 'seconds':
-            default:
-                $length_in_units = ceil($length_in_units);
-        }
-        // phpcs:enable
-        if ($round_up) {
-            $length_in_units = max($length_in_units, 1);
-        }
-        return $length_in_units;
-    }
-
-
-    /**
-     *        get end date and time
-     *
-     * @param string $dt_frmt   - string representation of date format defaults to 'F j, Y'
-     * @param string $tm_format - string representation of time format defaults to 'g:i a'
-     * @return    mixed                string on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        return $this->_show_datetime('', 'end', $dt_frmt, $tm_format);
-    }
-
-
-    /**
-     * @param string $dt_frmt
-     * @param string $tm_format
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function e_end_date_and_time($dt_frmt = '', $tm_format = '')
-    {
-        $this->_show_datetime('', 'end', $dt_frmt, $tm_format, true);
-    }
-
-
-    /**
-     *        get start timestamp
-     *
-     * @return        int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function start()
-    {
-        return $this->get_raw('DTT_EVT_start');
-    }
-
-
-    /**
-     *        get end timestamp
-     *
-     * @return        int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function end()
-    {
-        return $this->get_raw('DTT_EVT_end');
-    }
-
-
-    /**
-     *    get the registration limit for this datetime slot
-     *
-     * @return        mixed        int on success, FALSE on fail
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function reg_limit()
-    {
-        return $this->get_raw('DTT_reg_limit');
-    }
-
-
-    /**
-     *    have the tickets sold for this datetime, met or exceed the registration limit ?
-     *
-     * @return        boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sold_out()
-    {
-        return $this->reg_limit() > 0 && $this->sold() >= $this->reg_limit();
-    }
-
-
-    /**
-     * return the total number of spaces remaining at this venue.
-     * This only takes the venue's capacity into account, NOT the tickets available for sale
-     *
-     * @param bool $consider_tickets Whether to consider tickets remaining when determining if there are any spaces left
-     *                               Because if all tickets attached to this datetime have no spaces left,
-     *                               then this datetime IS effectively sold out.
-     *                               However, there are cases where we just want to know the spaces
-     *                               remaining for this particular datetime, hence the flag.
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function spaces_remaining($consider_tickets = false)
-    {
-        // tickets remaining available for purchase
-        // no need for special checks for infinite, because if DTT_reg_limit == EE_INF, then EE_INF - x = EE_INF
-        $dtt_remaining = $this->reg_limit() - $this->sold_and_reserved();
-        if (! $consider_tickets) {
-            return $dtt_remaining;
-        }
-        $tickets_remaining = $this->tickets_remaining();
-        return min($dtt_remaining, $tickets_remaining);
-    }
-
-
-    /**
-     * Counts the total tickets available
-     * (from all the different types of tickets which are available for this datetime).
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function tickets_remaining($query_params = array())
-    {
-        $sum = 0;
-        $tickets = $this->tickets($query_params);
-        if (! empty($tickets)) {
-            foreach ($tickets as $ticket) {
-                if ($ticket instanceof EE_Ticket) {
-                    // get the actual amount of tickets that can be sold
-                    $qty = $ticket->qty('saleable');
-                    if ($qty === EE_INF) {
-                        return EE_INF;
-                    }
-                    // no negative ticket quantities plz
-                    if ($qty > 0) {
-                        $sum += $qty;
-                    }
-                }
-            }
-        }
-        return $sum;
-    }
-
-
-    /**
-     * Gets the count of all the tickets available at this datetime (not ticket types)
-     * before any were sold
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function sum_tickets_initially_available($query_params = array())
-    {
-        return $this->sum_related('Ticket', $query_params, 'TKT_qty');
-    }
-
-
-    /**
-     * Returns the lesser-of-the two: spaces remaining at this datetime, or
-     * the total tickets remaining (a sum of the tickets remaining for each ticket type
-     * that is available for this datetime).
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function total_tickets_available_at_this_datetime()
-    {
-        return $this->spaces_remaining(true);
-    }
-
-
-    /**
-     * This simply compares the internal dtt for the given string with NOW
-     * and determines if the date is upcoming or not.
-     *
-     * @access public
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_upcoming()
-    {
-        return ($this->get_raw('DTT_EVT_start') > time());
-    }
-
-
-    /**
-     * This simply compares the internal datetime for the given string with NOW
-     * and returns if the date is active (i.e. start and end time)
-     *
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_active()
-    {
-        return ($this->get_raw('DTT_EVT_start') < time() && $this->get_raw('DTT_EVT_end') > time());
-    }
-
-
-    /**
-     * This simply compares the internal dtt for the given string with NOW
-     * and determines if the date is expired or not.
-     *
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function is_expired()
-    {
-        return ($this->get_raw('DTT_EVT_end') < time());
-    }
-
-
-    /**
-     * This returns the active status for whether an event is active, upcoming, or expired
-     *
-     * @return int return value will be one of the EE_Datetime status constants.
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function get_active_status()
-    {
-        $total_tickets_for_this_dtt = $this->total_tickets_available_at_this_datetime();
-        if ($total_tickets_for_this_dtt !== false && $total_tickets_for_this_dtt < 1) {
-            return EE_Datetime::sold_out;
-        }
-        if ($this->is_expired()) {
-            return EE_Datetime::expired;
-        }
-        if ($this->is_upcoming()) {
-            return EE_Datetime::upcoming;
-        }
-        if ($this->is_active()) {
-            return EE_Datetime::active;
-        }
-        return null;
-    }
-
-
-    /**
-     * This returns a nice display name for the datetime that is contingent on the span between the dates and times.
-     *
-     * @param  boolean $use_dtt_name if TRUE then we'll use DTT->name() if its not empty.
-     * @return string
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function get_dtt_display_name($use_dtt_name = false)
-    {
-        if ($use_dtt_name) {
-            $dtt_name = $this->name();
-            if (! empty($dtt_name)) {
-                return $dtt_name;
-            }
-        }
-        // first condition is to see if the months are different
-        if (
-            date('m', $this->get_raw('DTT_EVT_start')) !== date('m', $this->get_raw('DTT_EVT_end'))
-        ) {
-            $display_date = $this->start_date('M j\, Y g:i a') . ' - ' . $this->end_date('M j\, Y g:i a');
-            // next condition is if its the same month but different day
-        } else {
-            if (
-                date('m', $this->get_raw('DTT_EVT_start')) === date('m', $this->get_raw('DTT_EVT_end'))
-                && date('d', $this->get_raw('DTT_EVT_start')) !== date('d', $this->get_raw('DTT_EVT_end'))
-            ) {
-                $display_date = $this->start_date('M j\, g:i a') . ' - ' . $this->end_date('M j\, g:i a Y');
-            } else {
-                $display_date = $this->start_date('F j\, Y')
-                                . ' @ '
-                                . $this->start_date('g:i a')
-                                . ' - '
-                                . $this->end_date('g:i a');
-            }
-        }
-        return $display_date;
-    }
-
-
-    /**
-     * Gets all the tickets for this datetime
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Base_Class[]|EE_Ticket[]
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function tickets($query_params = array())
-    {
-        return $this->get_many_related('Ticket', $query_params);
-    }
-
-
-    /**
-     * Gets all the ticket types currently available for purchase
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Ticket[]
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function ticket_types_available_for_purchase($query_params = array())
-    {
-        // first check if datetime is valid
-        if ($this->sold_out() || ! ($this->is_upcoming() || $this->is_active())) {
-            return array();
-        }
-        if (empty($query_params)) {
-            $query_params = array(
-                array(
-                    'TKT_start_date' => array('<=', EEM_Ticket::instance()->current_time_for_query('TKT_start_date')),
-                    'TKT_end_date'   => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
-                    'TKT_deleted'    => false,
-                ),
-            );
-        }
-        return $this->tickets($query_params);
-    }
-
-
-    /**
-     * @return EE_Base_Class|EE_Event
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function event()
-    {
-        return $this->get_first_related('Event');
-    }
-
-
-    /**
-     * Updates the DTT_sold attribute (and saves) based on the number of registrations for this datetime
-     * (via the tickets).
-     *
-     * @return int
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function update_sold()
-    {
-        $count_regs_for_this_datetime = EEM_Registration::instance()->count(
-            array(
-                array(
-                    'STS_ID'                 => EEM_Registration::status_id_approved,
-                    'REG_deleted'            => 0,
-                    'Ticket.Datetime.DTT_ID' => $this->ID(),
-                ),
-            )
-        );
-        $this->set_sold($count_regs_for_this_datetime);
-        $this->save();
-        return $count_regs_for_this_datetime;
-    }
-
-
-    /*******************************************************************
+	/**
+	 * constant used by get_active_status, indicates datetime has no more available spaces
+	 */
+	const sold_out = 'DTS';
+
+	/**
+	 * constant used by get_active_status, indicating datetime is still active (even is not over, can be registered-for)
+	 */
+	const active = 'DTA';
+
+	/**
+	 * constant used by get_active_status, indicating the datetime cannot be used for registrations yet, but has not
+	 * expired
+	 */
+	const upcoming = 'DTU';
+
+	/**
+	 * Datetime is postponed
+	 */
+	const postponed = 'DTP';
+
+	/**
+	 * Datetime is cancelled
+	 */
+	const cancelled = 'DTC';
+
+	/**
+	 * constant used by get_active_status, indicates datetime has expired (event is over)
+	 */
+	const expired = 'DTE';
+
+	/**
+	 * constant used in various places indicating that an event is INACTIVE (not yet ready to be published)
+	 */
+	const inactive = 'DTI';
+
+
+	/**
+	 * @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  $date_formats      incoming date_formats in an array where the first value is the date_format
+	 *                                  and the second value is the time format
+	 * @return EE_Datetime
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
+	{
+		$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 $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Datetime
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public static function new_instance_from_db($props_n_values = array(), $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * @param $name
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_name($name)
+	{
+		$this->set('DTT_name', $name);
+	}
+
+
+	/**
+	 * @param $description
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_description($description)
+	{
+		$this->set('DTT_description', $description);
+	}
+
+
+	/**
+	 * Set event start date
+	 * set the start date for an event
+	 *
+	 * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_start_date($date)
+	{
+		$this->_set_date_for($date, 'DTT_EVT_start');
+	}
+
+
+	/**
+	 * Set event start time
+	 * set the start time for an event
+	 *
+	 * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_start_time($time)
+	{
+		$this->_set_time_for($time, 'DTT_EVT_start');
+	}
+
+
+	/**
+	 * Set event end date
+	 * set the end date for an event
+	 *
+	 * @param string $date a string representation of the event's date ex:  Dec. 25, 2025 or 12-25-2025
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_end_date($date)
+	{
+		$this->_set_date_for($date, 'DTT_EVT_end');
+	}
+
+
+	/**
+	 * Set event end time
+	 * set the end time for an event
+	 *
+	 * @param string $time a string representation of the event time ex:  9am  or  7:30 PM
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_end_time($time)
+	{
+		$this->_set_time_for($time, 'DTT_EVT_end');
+	}
+
+
+	/**
+	 * Set registration limit
+	 * set the maximum number of attendees that can be registered for this datetime slot
+	 *
+	 * @param int $reg_limit
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_reg_limit($reg_limit)
+	{
+		$this->set('DTT_reg_limit', $reg_limit);
+	}
+
+
+	/**
+	 * get the number of tickets sold for this datetime slot
+	 *
+	 * @return mixed int on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold()
+	{
+		return $this->get_raw('DTT_sold');
+	}
+
+
+	/**
+	 * @param int $sold
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_sold($sold)
+	{
+		// sold can not go below zero
+		$sold = max(0, $sold);
+		$this->set('DTT_sold', $sold);
+	}
+
+
+	/**
+	 * Increments sold by amount passed by $qty, and persists it immediately to the database.
+	 * Simultaneously decreases the reserved count, unless $also_decrease_reserved is false.
+	 *
+	 * @param int $qty
+	 * @param boolean $also_decrease_reserved
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increaseSold($qty = 1, $also_decrease_reserved = true)
+	{
+		$qty = absint($qty);
+		if ($also_decrease_reserved) {
+			$success = $this->adjustNumericFieldsInDb(
+				[
+					'DTT_reserved' => $qty * -1,
+					'DTT_sold' => $qty
+				]
+			);
+		} else {
+			$success = $this->adjustNumericFieldsInDb(
+				[
+					'DTT_sold' => $qty
+				]
+			);
+		}
+
+		do_action(
+			'AHEE__EE_Datetime__increase_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
+	 * to save afterwards.)
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decreaseSold($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'DTT_sold' => $qty * -1
+			]
+		);
+		do_action(
+			'AHEE__EE_Datetime__decrease_sold',
+			$this,
+			$qty,
+			$this->sold(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Gets qty of reserved tickets for this datetime
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function reserved()
+	{
+		return $this->get_raw('DTT_reserved');
+	}
+
+
+	/**
+	 * Sets qty of reserved tickets for this datetime
+	 *
+	 * @param int $reserved
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function set_reserved($reserved)
+	{
+		// reserved can not go below zero
+		$reserved = max(0, (int) $reserved);
+		$this->set('DTT_reserved', $reserved);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increaseReserved($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->incrementFieldConditionallyInDb(
+			'DTT_reserved',
+			'DTT_sold',
+			'DTT_reg_limit',
+			$qty
+		);
+		do_action(
+			'AHEE__EE_Datetime__increase_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decreaseReserved($qty = 1)
+	{
+		$qty = absint($qty);
+		$success = $this->adjustNumericFieldsInDb(
+			[
+				'DTT_reserved' => $qty * -1
+			]
+		);
+		do_action(
+			'AHEE__EE_Datetime__decrease_reserved',
+			$this,
+			$qty,
+			$this->reserved(),
+			$success
+		);
+		return $success;
+	}
+
+
+	/**
+	 * total sold and reserved tickets
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold_and_reserved()
+	{
+		return $this->sold() + $this->reserved();
+	}
+
+
+	/**
+	 * returns the datetime name
+	 *
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function name()
+	{
+		return $this->get('DTT_name');
+	}
+
+
+	/**
+	 * returns the datetime description
+	 *
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function description()
+	{
+		return $this->get('DTT_description');
+	}
+
+
+	/**
+	 * This helper simply returns whether the event_datetime for the current datetime is a primary datetime
+	 *
+	 * @return boolean  TRUE if is primary, FALSE if not.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_primary()
+	{
+		return $this->get('DTT_is_primary');
+	}
+
+
+	/**
+	 * This helper simply returns the order for the datetime
+	 *
+	 * @return int  The order of the datetime for this event.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function order()
+	{
+		return $this->get('DTT_order');
+	}
+
+
+	/**
+	 * This helper simply returns the parent id for the datetime
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function parent()
+	{
+		return $this->get('DTT_parent');
+	}
+
+
+	/**
+	 * show date and/or time
+	 *
+	 * @param string $date_or_time    whether to display a date or time or both
+	 * @param string $start_or_end    whether to display start or end datetimes
+	 * @param string $dt_frmt
+	 * @param string $tm_frmt
+	 * @param bool   $echo            whether we echo or return (note echoing uses "pretty" formats,
+	 *                                otherwise we use the standard formats)
+	 * @return string|bool  string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	private function _show_datetime(
+		$date_or_time = null,
+		$start_or_end = 'start',
+		$dt_frmt = '',
+		$tm_frmt = '',
+		$echo = false
+	) {
+		$field_name = "DTT_EVT_{$start_or_end}";
+		$dtt = $this->_get_datetime(
+			$field_name,
+			$dt_frmt,
+			$tm_frmt,
+			$date_or_time,
+			$echo
+		);
+		if (! $echo) {
+			return $dtt;
+		}
+		return '';
+	}
+
+
+	/**
+	 * get event start date.  Provide either the date format, or NULL to re-use the
+	 * last-used format, or '' to use the default date format
+	 *
+	 * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
+	 * @return mixed            string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_date($dt_frmt = '')
+	{
+		return $this->_show_datetime('D', 'start', $dt_frmt);
+	}
+
+
+	/**
+	 * Echoes start_date()
+	 *
+	 * @param string $dt_frmt
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_date($dt_frmt = '')
+	{
+		$this->_show_datetime('D', 'start', $dt_frmt, null, true);
+	}
+
+
+	/**
+	 * get end date. Provide either the date format, or NULL to re-use the
+	 * last-used format, or '' to use the default date format
+	 *
+	 * @param string $dt_frmt string representation of date format defaults to 'F j, Y'
+	 * @return mixed            string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_date($dt_frmt = '')
+	{
+		return $this->_show_datetime('D', 'end', $dt_frmt);
+	}
+
+
+	/**
+	 * Echoes the end date. See end_date()
+	 *
+	 * @param string $dt_frmt
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_date($dt_frmt = '')
+	{
+		$this->_show_datetime('D', 'end', $dt_frmt, null, true);
+	}
+
+
+	/**
+	 * get date_range - meaning the start AND end date
+	 *
+	 * @access public
+	 * @param string $dt_frmt     string representation of date format defaults to WP settings
+	 * @param string $conjunction conjunction junction what's your function ?
+	 *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
+	 * @return mixed              string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function date_range($dt_frmt = '', $conjunction = ' - ')
+	{
+		$dt_frmt = ! empty($dt_frmt) ? $dt_frmt : $this->_dt_frmt;
+		$start = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_start', $dt_frmt)
+		);
+		$end = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_end', $dt_frmt)
+		);
+		return $start !== $end ? $start . $conjunction . $end : $start;
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $conjunction
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_date_range($dt_frmt = '', $conjunction = ' - ')
+	{
+		echo esc_html($this->date_range($dt_frmt, $conjunction));
+	}
+
+
+	/**
+	 * get start time
+	 *
+	 * @param string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return mixed        string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_time($tm_format = '')
+	{
+		return $this->_show_datetime('T', 'start', null, $tm_format);
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_time($tm_format = '')
+	{
+		$this->_show_datetime('T', 'start', null, $tm_format, true);
+	}
+
+
+	/**
+	 * get end time
+	 *
+	 * @param string $tm_format string representation of time format defaults to 'g:i a'
+	 * @return mixed                string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_time($tm_format = '')
+	{
+		return $this->_show_datetime('T', 'end', null, $tm_format);
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_time($tm_format = '')
+	{
+		$this->_show_datetime('T', 'end', null, $tm_format, true);
+	}
+
+
+	/**
+	 * get time_range
+	 *
+	 * @access public
+	 * @param string $tm_format   string representation of time format defaults to 'g:i a'
+	 * @param string $conjunction conjunction junction what's your function ?
+	 *                            this string joins the start date with the end date ie: Jan 01 "to" Dec 31
+	 * @return mixed              string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function time_range($tm_format = '', $conjunction = ' - ')
+	{
+		$tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
+		$start = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_start', $tm_format)
+		);
+		$end = str_replace(
+			' ',
+			'&nbsp;',
+			$this->get_i18n_datetime('DTT_EVT_end', $tm_format)
+		);
+		return $start !== $end ? $start . $conjunction . $end : $start;
+	}
+
+
+	/**
+	 * @param string $tm_format
+	 * @param string $conjunction
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_time_range($tm_format = '', $conjunction = ' - ')
+	{
+		echo esc_html($this->time_range($tm_format, $conjunction));
+	}
+
+
+	/**
+	 * This returns a range representation of the date and times.
+	 * Output is dependent on the difference (or similarity) between DTT_EVT_start and DTT_EVT_end.
+	 * Also, the return value is localized.
+	 *
+	 * @param string $dt_format
+	 * @param string $tm_format
+	 * @param string $conjunction used between two different dates or times.
+	 *                            ex: Dec 1{$conjunction}}Dec 6, or 2pm{$conjunction}3pm
+	 * @param string $separator   used between the date and time formats.
+	 *                            ex: Dec 1, 2016{$separator}2pm
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function date_and_time_range(
+		$dt_format = '',
+		$tm_format = '',
+		$conjunction = ' - ',
+		$separator = ' '
+	) {
+		$dt_format = ! empty($dt_format) ? $dt_format : $this->_dt_frmt;
+		$tm_format = ! empty($tm_format) ? $tm_format : $this->_tm_frmt;
+		$full_format = $dt_format . $separator . $tm_format;
+		// the range output depends on various conditions
+		switch (true) {
+			// start date timestamp and end date timestamp are the same.
+			case ($this->get_raw('DTT_EVT_start') === $this->get_raw('DTT_EVT_end')):
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format);
+				break;
+			// start and end date are the same but times are different
+			case ($this->start_date() === $this->end_date()):
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
+						  . $conjunction
+						  . $this->get_i18n_datetime('DTT_EVT_end', $tm_format);
+				break;
+			// all other conditions
+			default:
+				$output = $this->get_i18n_datetime('DTT_EVT_start', $full_format)
+						  . $conjunction
+						  . $this->get_i18n_datetime('DTT_EVT_end', $full_format);
+				break;
+		}
+		return $output;
+	}
+
+
+	/**
+	 * This echos the results of date and time range.
+	 *
+	 * @see date_and_time_range() for more details on purpose.
+	 * @param string $dt_format
+	 * @param string $tm_format
+	 * @param string $conjunction
+	 * @return void
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_date_and_time_range($dt_format = '', $tm_format = '', $conjunction = ' - ')
+	{
+		echo esc_html($this->date_and_time_range($dt_format, $tm_format, $conjunction));
+	}
+
+
+	/**
+	 * get start date and start time
+	 *
+	 * @param    string $dt_format - string representation of date format defaults to 'F j, Y'
+	 * @param    string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return    mixed    string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start_date_and_time($dt_format = '', $tm_format = '')
+	{
+		return $this->_show_datetime('', 'start', $dt_format, $tm_format);
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_start_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		$this->_show_datetime('', 'start', $dt_frmt, $tm_format, true);
+	}
+
+
+	/**
+	 * Shows the length of the event (start to end time).
+	 * Can be shown in 'seconds','minutes','hours', or 'days'.
+	 * By default, rounds up. (So if you use 'days', and then event
+	 * only occurs for 1 hour, it will return 1 day).
+	 *
+	 * @param string $units 'seconds','minutes','hours','days'
+	 * @param bool   $round_up
+	 * @return float|int|mixed
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function length($units = 'seconds', $round_up = false)
+	{
+		$start = $this->get_raw('DTT_EVT_start');
+		$end = $this->get_raw('DTT_EVT_end');
+		$length_in_units = $end - $start;
+		switch ($units) {
+			// NOTE: We purposefully don't use "break;" in order to chain the divisions
+			/** @noinspection PhpMissingBreakStatementInspection */
+			// phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
+			case 'days':
+				$length_in_units /= 24;
+			/** @noinspection PhpMissingBreakStatementInspection */
+			case 'hours':
+				// fall through is intentional
+				$length_in_units /= 60;
+			/** @noinspection PhpMissingBreakStatementInspection */
+			case 'minutes':
+				// fall through is intentional
+				$length_in_units /= 60;
+			case 'seconds':
+			default:
+				$length_in_units = ceil($length_in_units);
+		}
+		// phpcs:enable
+		if ($round_up) {
+			$length_in_units = max($length_in_units, 1);
+		}
+		return $length_in_units;
+	}
+
+
+	/**
+	 *        get end date and time
+	 *
+	 * @param string $dt_frmt   - string representation of date format defaults to 'F j, Y'
+	 * @param string $tm_format - string representation of time format defaults to 'g:i a'
+	 * @return    mixed                string on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		return $this->_show_datetime('', 'end', $dt_frmt, $tm_format);
+	}
+
+
+	/**
+	 * @param string $dt_frmt
+	 * @param string $tm_format
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function e_end_date_and_time($dt_frmt = '', $tm_format = '')
+	{
+		$this->_show_datetime('', 'end', $dt_frmt, $tm_format, true);
+	}
+
+
+	/**
+	 *        get start timestamp
+	 *
+	 * @return        int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function start()
+	{
+		return $this->get_raw('DTT_EVT_start');
+	}
+
+
+	/**
+	 *        get end timestamp
+	 *
+	 * @return        int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function end()
+	{
+		return $this->get_raw('DTT_EVT_end');
+	}
+
+
+	/**
+	 *    get the registration limit for this datetime slot
+	 *
+	 * @return        mixed        int on success, FALSE on fail
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function reg_limit()
+	{
+		return $this->get_raw('DTT_reg_limit');
+	}
+
+
+	/**
+	 *    have the tickets sold for this datetime, met or exceed the registration limit ?
+	 *
+	 * @return        boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sold_out()
+	{
+		return $this->reg_limit() > 0 && $this->sold() >= $this->reg_limit();
+	}
+
+
+	/**
+	 * return the total number of spaces remaining at this venue.
+	 * This only takes the venue's capacity into account, NOT the tickets available for sale
+	 *
+	 * @param bool $consider_tickets Whether to consider tickets remaining when determining if there are any spaces left
+	 *                               Because if all tickets attached to this datetime have no spaces left,
+	 *                               then this datetime IS effectively sold out.
+	 *                               However, there are cases where we just want to know the spaces
+	 *                               remaining for this particular datetime, hence the flag.
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function spaces_remaining($consider_tickets = false)
+	{
+		// tickets remaining available for purchase
+		// no need for special checks for infinite, because if DTT_reg_limit == EE_INF, then EE_INF - x = EE_INF
+		$dtt_remaining = $this->reg_limit() - $this->sold_and_reserved();
+		if (! $consider_tickets) {
+			return $dtt_remaining;
+		}
+		$tickets_remaining = $this->tickets_remaining();
+		return min($dtt_remaining, $tickets_remaining);
+	}
+
+
+	/**
+	 * Counts the total tickets available
+	 * (from all the different types of tickets which are available for this datetime).
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function tickets_remaining($query_params = array())
+	{
+		$sum = 0;
+		$tickets = $this->tickets($query_params);
+		if (! empty($tickets)) {
+			foreach ($tickets as $ticket) {
+				if ($ticket instanceof EE_Ticket) {
+					// get the actual amount of tickets that can be sold
+					$qty = $ticket->qty('saleable');
+					if ($qty === EE_INF) {
+						return EE_INF;
+					}
+					// no negative ticket quantities plz
+					if ($qty > 0) {
+						$sum += $qty;
+					}
+				}
+			}
+		}
+		return $sum;
+	}
+
+
+	/**
+	 * Gets the count of all the tickets available at this datetime (not ticket types)
+	 * before any were sold
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function sum_tickets_initially_available($query_params = array())
+	{
+		return $this->sum_related('Ticket', $query_params, 'TKT_qty');
+	}
+
+
+	/**
+	 * Returns the lesser-of-the two: spaces remaining at this datetime, or
+	 * the total tickets remaining (a sum of the tickets remaining for each ticket type
+	 * that is available for this datetime).
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function total_tickets_available_at_this_datetime()
+	{
+		return $this->spaces_remaining(true);
+	}
+
+
+	/**
+	 * This simply compares the internal dtt for the given string with NOW
+	 * and determines if the date is upcoming or not.
+	 *
+	 * @access public
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_upcoming()
+	{
+		return ($this->get_raw('DTT_EVT_start') > time());
+	}
+
+
+	/**
+	 * This simply compares the internal datetime for the given string with NOW
+	 * and returns if the date is active (i.e. start and end time)
+	 *
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_active()
+	{
+		return ($this->get_raw('DTT_EVT_start') < time() && $this->get_raw('DTT_EVT_end') > time());
+	}
+
+
+	/**
+	 * This simply compares the internal dtt for the given string with NOW
+	 * and determines if the date is expired or not.
+	 *
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function is_expired()
+	{
+		return ($this->get_raw('DTT_EVT_end') < time());
+	}
+
+
+	/**
+	 * This returns the active status for whether an event is active, upcoming, or expired
+	 *
+	 * @return int return value will be one of the EE_Datetime status constants.
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function get_active_status()
+	{
+		$total_tickets_for_this_dtt = $this->total_tickets_available_at_this_datetime();
+		if ($total_tickets_for_this_dtt !== false && $total_tickets_for_this_dtt < 1) {
+			return EE_Datetime::sold_out;
+		}
+		if ($this->is_expired()) {
+			return EE_Datetime::expired;
+		}
+		if ($this->is_upcoming()) {
+			return EE_Datetime::upcoming;
+		}
+		if ($this->is_active()) {
+			return EE_Datetime::active;
+		}
+		return null;
+	}
+
+
+	/**
+	 * This returns a nice display name for the datetime that is contingent on the span between the dates and times.
+	 *
+	 * @param  boolean $use_dtt_name if TRUE then we'll use DTT->name() if its not empty.
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function get_dtt_display_name($use_dtt_name = false)
+	{
+		if ($use_dtt_name) {
+			$dtt_name = $this->name();
+			if (! empty($dtt_name)) {
+				return $dtt_name;
+			}
+		}
+		// first condition is to see if the months are different
+		if (
+			date('m', $this->get_raw('DTT_EVT_start')) !== date('m', $this->get_raw('DTT_EVT_end'))
+		) {
+			$display_date = $this->start_date('M j\, Y g:i a') . ' - ' . $this->end_date('M j\, Y g:i a');
+			// next condition is if its the same month but different day
+		} else {
+			if (
+				date('m', $this->get_raw('DTT_EVT_start')) === date('m', $this->get_raw('DTT_EVT_end'))
+				&& date('d', $this->get_raw('DTT_EVT_start')) !== date('d', $this->get_raw('DTT_EVT_end'))
+			) {
+				$display_date = $this->start_date('M j\, g:i a') . ' - ' . $this->end_date('M j\, g:i a Y');
+			} else {
+				$display_date = $this->start_date('F j\, Y')
+								. ' @ '
+								. $this->start_date('g:i a')
+								. ' - '
+								. $this->end_date('g:i a');
+			}
+		}
+		return $display_date;
+	}
+
+
+	/**
+	 * Gets all the tickets for this datetime
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Base_Class[]|EE_Ticket[]
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function tickets($query_params = array())
+	{
+		return $this->get_many_related('Ticket', $query_params);
+	}
+
+
+	/**
+	 * Gets all the ticket types currently available for purchase
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Ticket[]
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function ticket_types_available_for_purchase($query_params = array())
+	{
+		// first check if datetime is valid
+		if ($this->sold_out() || ! ($this->is_upcoming() || $this->is_active())) {
+			return array();
+		}
+		if (empty($query_params)) {
+			$query_params = array(
+				array(
+					'TKT_start_date' => array('<=', EEM_Ticket::instance()->current_time_for_query('TKT_start_date')),
+					'TKT_end_date'   => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
+					'TKT_deleted'    => false,
+				),
+			);
+		}
+		return $this->tickets($query_params);
+	}
+
+
+	/**
+	 * @return EE_Base_Class|EE_Event
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function event()
+	{
+		return $this->get_first_related('Event');
+	}
+
+
+	/**
+	 * Updates the DTT_sold attribute (and saves) based on the number of registrations for this datetime
+	 * (via the tickets).
+	 *
+	 * @return int
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function update_sold()
+	{
+		$count_regs_for_this_datetime = EEM_Registration::instance()->count(
+			array(
+				array(
+					'STS_ID'                 => EEM_Registration::status_id_approved,
+					'REG_deleted'            => 0,
+					'Ticket.Datetime.DTT_ID' => $this->ID(),
+				),
+			)
+		);
+		$this->set_sold($count_regs_for_this_datetime);
+		$this->save();
+		return $count_regs_for_this_datetime;
+	}
+
+
+	/*******************************************************************
      ***********************  DEPRECATED METHODS  **********************
      *******************************************************************/
 
 
-    /**
-     * Increments sold by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increase_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::increaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseSold($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
-     * to save afterwards.)
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decrease_sold($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::decreaseSold() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->decreaseSold($qty);
-    }
-
-
-    /**
-     * Increments reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean indicating success
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function increase_reserved($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::increaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->increaseReserved($qty);
-    }
-
-
-    /**
-     * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
-     *
-     * @deprecated 4.9.80.p
-     * @param int $qty
-     * @return boolean
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function decrease_reserved($qty = 1)
-    {
-        EE_Error::doing_it_wrong(
-            __FUNCTION__,
-            esc_html__('Please use EE_Datetime::decreaseReserved() instead', 'event_espresso'),
-            '4.9.80.p',
-            '5.0.0.p'
-        );
-        return $this->decreaseReserved($qty);
-    }
+	/**
+	 * Increments sold by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increase_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::increaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseSold($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) sold amount passed by $qty directly in the DB and on the model object. (Ie, no need
+	 * to save afterwards.)
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decrease_sold($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::decreaseSold() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->decreaseSold($qty);
+	}
+
+
+	/**
+	 * Increments reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean indicating success
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function increase_reserved($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::increaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->increaseReserved($qty);
+	}
+
+
+	/**
+	 * Decrements (subtracts) reserved by amount passed by $qty, and persists it immediately to the database.
+	 *
+	 * @deprecated 4.9.80.p
+	 * @param int $qty
+	 * @return boolean
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function decrease_reserved($qty = 1)
+	{
+		EE_Error::doing_it_wrong(
+			__FUNCTION__,
+			esc_html__('Please use EE_Datetime::decreaseReserved() instead', 'event_espresso'),
+			'4.9.80.p',
+			'5.0.0.p'
+		);
+		return $this->decreaseReserved($qty);
+	}
 }

core/db_classes/EE_Registration.class.php

Spacing +14 added lines, -14 removed lines

@@ -119,7 +119,7 @@ 
     {
         switch ($field_name) {
             case 'REG_code':
-                if (! empty($field_value) && $this->reg_code() === null) {
+                if ( ! empty($field_value) && $this->reg_code() === null) {
                     $this->set_reg_code($field_value, $use_default);
                 }
                 break;
@@ -406,7 +406,7 @@ 
     public function event()
     {
         $event = $this->get_first_related('Event');
-        if (! $event instanceof \EE_Event) {
+        if ( ! $event instanceof \EE_Event) {
             throw new EntityNotFoundException('Event ID', $this->event_ID());
         }
         return $event;
@@ -449,7 +449,7 @@ 
     {
         // reserved ticket and datetime counts will be decremented as sold counts are incremented
         // so stop tracking that this reg has a ticket reserved
-        $this->release_reserved_ticket(false, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+        $this->release_reserved_ticket(false, "REG: {$this->ID()} (ln:".__LINE__.')');
         $ticket = $this->ticket();
         $ticket->increaseSold();
         // possibly set event status to sold out
@@ -504,7 +504,7 @@ 
                 && $update_ticket
             ) {
                 $ticket = $this->ticket();
-                $ticket->increaseReserved(1, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+                $ticket->increaseReserved(1, "REG: {$this->ID()} (ln:".__LINE__.')');
                 $ticket->save();
             }
         }
@@ -536,7 +536,7 @@ 
                 && $update_ticket
             ) {
                 $ticket = $this->ticket();
-                $ticket->decreaseReserved(1, true, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+                $ticket->decreaseReserved(1, true, "REG: {$this->ID()} (ln:".__LINE__.')');
             }
         }
     }
@@ -1211,7 +1211,7 @@ 
                     : '';
                 break;
         }
-        return $icon . $status[ $this->status_ID() ];
+        return $icon.$status[$this->status_ID()];
     }
 
 
@@ -1455,7 +1455,7 @@ 
     {
         $DTT_ID = EEM_Datetime::instance()->ensure_is_ID($DTT_OR_ID);
 
-        if (! $DTT_ID) {
+        if ( ! $DTT_ID) {
             return false;
         }
 
@@ -1463,7 +1463,7 @@ 
 
         // if max uses is not set or equals infinity then return true cause its not a factor for whether user can
         // check-in or not.
-        if (! $max_uses || $max_uses === EE_INF) {
+        if ( ! $max_uses || $max_uses === EE_INF) {
             return true;
         }
 
@@ -1523,7 +1523,7 @@ 
             $datetime = $this->get_latest_related_datetime();
             $DTT_ID = $datetime instanceof EE_Datetime ? $datetime->ID() : 0;
             // verify the registration can checkin for the given DTT_ID
-        } elseif (! $this->can_checkin($DTT_ID, $verify)) {
+        } elseif ( ! $this->can_checkin($DTT_ID, $verify)) {
             EE_Error::add_error(
                 sprintf(
                     esc_html__(
@@ -1546,7 +1546,7 @@ 
         );
         // start by getting the current status so we know what status we'll be changing to.
         $cur_status = $this->check_in_status_for_datetime($DTT_ID, null);
-        $status_to = $status_paths[ $cur_status ];
+        $status_to = $status_paths[$cur_status];
         // database only records true for checked IN or false for checked OUT
         // no record ( null ) means checked in NEVER, but we obviously don't save that
         $new_status = $status_to === EE_Checkin::status_checked_in ? true : false;
@@ -1714,7 +1714,7 @@ 
     public function transaction()
     {
         $transaction = $this->get_first_related('Transaction');
-        if (! $transaction instanceof \EE_Transaction) {
+        if ( ! $transaction instanceof \EE_Transaction) {
             throw new EntityNotFoundException('Transaction ID', $this->transaction_ID());
         }
         return $transaction;
@@ -1768,11 +1768,11 @@ 
             );
             return;
         }
-        if (! $this->reg_code()) {
+        if ( ! $this->reg_code()) {
             parent::set('REG_code', $REG_code, $use_default);
         } else {
             EE_Error::doing_it_wrong(
-                __CLASS__ . '::' . __FUNCTION__,
+                __CLASS__.'::'.__FUNCTION__,
                 esc_html__('Can not change a registration REG_code once it has been set.', 'event_espresso'),
                 '4.6.0'
             );
@@ -1924,7 +1924,7 @@ 
                 break;
             }
         }
-        if (! ($line_item instanceof \EE_Line_Item && $line_item->OBJ_type() === 'Ticket')) {
+        if ( ! ($line_item instanceof \EE_Line_Item && $line_item->OBJ_type() === 'Ticket')) {
             throw new EntityNotFoundException('Line Item Ticket ID', $ticket->ID());
         }
         return $line_item;

Indentation +2113 added lines, -2113 removed lines

@@ -18,2117 +18,2117 @@
 {
 
 
-    /**
-     * Used to reference when a registration has never been checked in.
-     *
-     * @deprecated use \EE_Checkin::status_checked_never instead
-     * @type int
-     */
-    const checkin_status_never = 2;
-
-    /**
-     * Used to reference when a registration has been checked in.
-     *
-     * @deprecated use \EE_Checkin::status_checked_in instead
-     * @type int
-     */
-    const checkin_status_in = 1;
-
-
-    /**
-     * Used to reference when a registration has been checked out.
-     *
-     * @deprecated use \EE_Checkin::status_checked_out instead
-     * @type int
-     */
-    const checkin_status_out = 0;
-
-
-    /**
-     * extra meta key for tracking reg status os trashed registrations
-     *
-     * @type string
-     */
-    const PRE_TRASH_REG_STATUS_KEY = 'pre_trash_registration_status';
-
-
-    /**
-     * extra meta key for tracking if registration has reserved ticket
-     *
-     * @type string
-     */
-    const HAS_RESERVED_TICKET_KEY = 'has_reserved_ticket';
-
-
-    /**
-     * @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  $date_formats            incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @return EE_Registration
-     * @throws EE_Error
-     */
-    public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
-    {
-        $has_object = parent::_check_for_object($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 $timezone        incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Registration
-     */
-    public static function new_instance_from_db($props_n_values = array(), $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     *        Set Event ID
-     *
-     * @param        int $EVT_ID Event ID
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_event($EVT_ID = 0)
-    {
-        $this->set('EVT_ID', $EVT_ID);
-    }
-
-
-    /**
-     * Overrides parent set() method so that all calls to set( 'REG_code', $REG_code ) OR set( 'STS_ID', $STS_ID ) can
-     * be routed to internal methods
-     *
-     * @param string $field_name
-     * @param mixed  $field_value
-     * @param bool   $use_default
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public function set($field_name, $field_value, $use_default = false)
-    {
-        switch ($field_name) {
-            case 'REG_code':
-                if (! empty($field_value) && $this->reg_code() === null) {
-                    $this->set_reg_code($field_value, $use_default);
-                }
-                break;
-            case 'STS_ID':
-                $this->set_status($field_value, $use_default);
-                break;
-            default:
-                parent::set($field_name, $field_value, $use_default);
-        }
-    }
-
-
-    /**
-     * Set Status ID
-     * updates the registration status and ALSO...
-     * calls reserve_registration_space() if the reg status changes TO approved from any other reg status
-     * calls release_registration_space() if the reg status changes FROM approved to any other reg status
-     *
-     * @param string                $new_STS_ID
-     * @param boolean               $use_default
-     * @param ContextInterface|null $context
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws UnexpectedEntityException
-     */
-    public function set_status($new_STS_ID = null, $use_default = false, ContextInterface $context = null)
-    {
-        // get current REG_Status
-        $old_STS_ID = $this->status_ID();
-        // if status has changed
-        if (
-            $old_STS_ID !== $new_STS_ID // and that status has actually changed
-            && ! empty($old_STS_ID) // and that old status is actually set
-            && ! empty($new_STS_ID) // as well as the new status
-            && $this->ID() // ensure registration is in the db
-        ) {
-            // update internal status first
-            parent::set('STS_ID', $new_STS_ID, $use_default);
-            // THEN handle other changes that occur when reg status changes
-            // TO approved
-            if ($new_STS_ID === EEM_Registration::status_id_approved) {
-                // reserve a space by incrementing ticket and datetime sold values
-                $this->reserveRegistrationSpace();
-                do_action('AHEE__EE_Registration__set_status__to_approved', $this, $old_STS_ID, $new_STS_ID, $context);
-                // OR FROM  approved
-            } elseif ($old_STS_ID === EEM_Registration::status_id_approved) {
-                // release a space by decrementing ticket and datetime sold values
-                $this->releaseRegistrationSpace();
-                do_action(
-                    'AHEE__EE_Registration__set_status__from_approved',
-                    $this,
-                    $old_STS_ID,
-                    $new_STS_ID,
-                    $context
-                );
-            }
-            // update status
-            parent::set('STS_ID', $new_STS_ID, $use_default);
-            $this->updateIfCanceledOrReinstated($new_STS_ID, $old_STS_ID, $context);
-            if ($this->statusChangeUpdatesTransaction($context)) {
-                $this->updateTransactionAfterStatusChange();
-            }
-            do_action('AHEE__EE_Registration__set_status__after_update', $this, $old_STS_ID, $new_STS_ID, $context);
-            return true;
-        }
-        // even though the old value matches the new value, it's still good to
-        // allow the parent set method to have a say
-        parent::set('STS_ID', $new_STS_ID, $use_default);
-        return true;
-    }
-
-
-    /**
-     * update REGs and TXN when cancelled or declined registrations involved
-     *
-     * @param string                $new_STS_ID
-     * @param string                $old_STS_ID
-     * @param ContextInterface|null $context
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    private function updateIfCanceledOrReinstated($new_STS_ID, $old_STS_ID, ContextInterface $context = null)
-    {
-        // these reg statuses should not be considered in any calculations involving monies owing
-        $closed_reg_statuses = EEM_Registration::closed_reg_statuses();
-        // true if registration has been cancelled or declined
-        $this->updateIfCanceled(
-            $closed_reg_statuses,
-            $new_STS_ID,
-            $old_STS_ID,
-            $context
-        );
-        $this->updateIfReinstated(
-            $closed_reg_statuses,
-            $new_STS_ID,
-            $old_STS_ID,
-            $context
-        );
-    }
-
-
-    /**
-     * update REGs and TXN when cancelled or declined registrations involved
-     *
-     * @param array                 $closed_reg_statuses
-     * @param string                $new_STS_ID
-     * @param string                $old_STS_ID
-     * @param ContextInterface|null $context
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    private function updateIfCanceled(
-        array $closed_reg_statuses,
-        $new_STS_ID,
-        $old_STS_ID,
-        ContextInterface $context = null
-    ) {
-        // true if registration has been cancelled or declined
-        if (
-            in_array($new_STS_ID, $closed_reg_statuses, true)
-            && ! in_array($old_STS_ID, $closed_reg_statuses, true)
-        ) {
-            /** @type EE_Registration_Processor $registration_processor */
-            $registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
-            /** @type EE_Transaction_Processor $transaction_processor */
-            $transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
-            // cancelled or declined registration
-            $registration_processor->update_registration_after_being_canceled_or_declined(
-                $this,
-                $closed_reg_statuses
-            );
-            $transaction_processor->update_transaction_after_canceled_or_declined_registration(
-                $this,
-                $closed_reg_statuses,
-                false
-            );
-            do_action(
-                'AHEE__EE_Registration__set_status__canceled_or_declined',
-                $this,
-                $old_STS_ID,
-                $new_STS_ID,
-                $context
-            );
-            return;
-        }
-    }
-
-
-    /**
-     * update REGs and TXN when cancelled or declined registrations involved
-     *
-     * @param array                 $closed_reg_statuses
-     * @param string                $new_STS_ID
-     * @param string                $old_STS_ID
-     * @param ContextInterface|null $context
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    private function updateIfReinstated(
-        array $closed_reg_statuses,
-        $new_STS_ID,
-        $old_STS_ID,
-        ContextInterface $context = null
-    ) {
-        // true if reinstating cancelled or declined registration
-        if (
-            in_array($old_STS_ID, $closed_reg_statuses, true)
-            && ! in_array($new_STS_ID, $closed_reg_statuses, true)
-        ) {
-            /** @type EE_Registration_Processor $registration_processor */
-            $registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
-            /** @type EE_Transaction_Processor $transaction_processor */
-            $transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
-            // reinstating cancelled or declined registration
-            $registration_processor->update_canceled_or_declined_registration_after_being_reinstated(
-                $this,
-                $closed_reg_statuses
-            );
-            $transaction_processor->update_transaction_after_reinstating_canceled_registration(
-                $this,
-                $closed_reg_statuses,
-                false
-            );
-            do_action(
-                'AHEE__EE_Registration__set_status__after_reinstated',
-                $this,
-                $old_STS_ID,
-                $new_STS_ID,
-                $context
-            );
-        }
-    }
-
-
-    /**
-     * @param ContextInterface|null $context
-     * @return bool
-     */
-    private function statusChangeUpdatesTransaction(ContextInterface $context = null)
-    {
-        $contexts_that_do_not_update_transaction = (array) apply_filters(
-            'AHEE__EE_Registration__statusChangeUpdatesTransaction__contexts_that_do_not_update_transaction',
-            array('spco_reg_step_attendee_information_process_registrations'),
-            $context,
-            $this
-        );
-        return ! (
-            $context instanceof ContextInterface
-            && in_array($context->slug(), $contexts_that_do_not_update_transaction, true)
-        );
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    private function updateTransactionAfterStatusChange()
-    {
-        /** @type EE_Transaction_Payments $transaction_payments */
-        $transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
-        $transaction_payments->recalculate_transaction_total($this->transaction(), false);
-        $this->transaction()->update_status_based_on_total_paid(true);
-    }
-
-
-    /**
-     *        get Status ID
-     */
-    public function status_ID()
-    {
-        return $this->get('STS_ID');
-    }
-
-
-    /**
-     * Gets the ticket this registration is for
-     *
-     * @param boolean $include_archived whether to include archived tickets or not.
-     *
-     * @return EE_Ticket|EE_Base_Class
-     * @throws EE_Error
-     */
-    public function ticket($include_archived = true)
-    {
-        $query_params = array();
-        if ($include_archived) {
-            $query_params['default_where_conditions'] = 'none';
-        }
-        return $this->get_first_related('Ticket', $query_params);
-    }
-
-
-    /**
-     * Gets the event this registration is for
-     *
-     * @return EE_Event
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     */
-    public function event()
-    {
-        $event = $this->get_first_related('Event');
-        if (! $event instanceof \EE_Event) {
-            throw new EntityNotFoundException('Event ID', $this->event_ID());
-        }
-        return $event;
-    }
-
-
-    /**
-     * Gets the "author" of the registration.  Note that for the purposes of registrations, the author will correspond
-     * with the author of the event this registration is for.
-     *
-     * @since 4.5.0
-     * @return int
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     */
-    public function wp_user()
-    {
-        $event = $this->event();
-        if ($event instanceof EE_Event) {
-            return $event->wp_user();
-        }
-        return 0;
-    }
-
-
-    /**
-     * increments this registration's related ticket sold and corresponding datetime sold values
-     *
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws UnexpectedEntityException
-     */
-    private function reserveRegistrationSpace()
-    {
-        // reserved ticket and datetime counts will be decremented as sold counts are incremented
-        // so stop tracking that this reg has a ticket reserved
-        $this->release_reserved_ticket(false, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
-        $ticket = $this->ticket();
-        $ticket->increaseSold();
-        // possibly set event status to sold out
-        $this->event()->perform_sold_out_status_check();
-    }
-
-
-    /**
-     * decrements (subtracts) this registration's related ticket sold and corresponding datetime sold values
-     *
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws UnexpectedEntityException
-     */
-    private function releaseRegistrationSpace()
-    {
-        $ticket = $this->ticket();
-        $ticket->decreaseSold();
-        // possibly change event status from sold out back to previous status
-        $this->event()->perform_sold_out_status_check();
-    }
-
-
-    /**
-     * tracks this registration's ticket reservation in extra meta
-     * and can increment related ticket reserved and corresponding datetime reserved values
-     *
-     * @param bool $update_ticket if true, will increment ticket and datetime reserved count
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function reserve_ticket($update_ticket = false, $source = 'unknown')
-    {
-        // only reserve ticket if space is not currently reserved
-        if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) !== true) {
-            $this->update_extra_meta('reserve_ticket', "{$this->ticket_ID()} from {$source}");
-            // IMPORTANT !!!
-            // although checking $update_ticket first would be more efficient,
-            // we NEED to ALWAYS call update_extra_meta(), which is why that is done first
-            if (
-                $this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true)
-                && $update_ticket
-            ) {
-                $ticket = $this->ticket();
-                $ticket->increaseReserved(1, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
-                $ticket->save();
-            }
-        }
-    }
-
-
-    /**
-     * stops tracking this registration's ticket reservation in extra meta
-     * decrements (subtracts) related ticket reserved and corresponding datetime reserved values
-     *
-     * @param bool $update_ticket if true, will decrement ticket and datetime reserved count
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function release_reserved_ticket($update_ticket = false, $source = 'unknown')
-    {
-        // only release ticket if space is currently reserved
-        if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) === true) {
-            $this->update_extra_meta('release_reserved_ticket', "{$this->ticket_ID()} from {$source}");
-            // IMPORTANT !!!
-            // although checking $update_ticket first would be more efficient,
-            // we NEED to ALWAYS call update_extra_meta(), which is why that is done first
-            if (
-                $this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, false)
-                && $update_ticket
-            ) {
-                $ticket = $this->ticket();
-                $ticket->decreaseReserved(1, true, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
-            }
-        }
-    }
-
-
-    /**
-     * Set Attendee ID
-     *
-     * @param        int $ATT_ID Attendee ID
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_attendee_id($ATT_ID = 0)
-    {
-        $this->set('ATT_ID', $ATT_ID);
-    }
-
-
-    /**
-     *        Set Transaction ID
-     *
-     * @param        int $TXN_ID Transaction ID
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_transaction_id($TXN_ID = 0)
-    {
-        $this->set('TXN_ID', $TXN_ID);
-    }
-
-
-    /**
-     *        Set Session
-     *
-     * @param    string $REG_session PHP Session ID
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_session($REG_session = '')
-    {
-        $this->set('REG_session', $REG_session);
-    }
-
-
-    /**
-     *        Set Registration URL Link
-     *
-     * @param    string $REG_url_link Registration URL Link
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_reg_url_link($REG_url_link = '')
-    {
-        $this->set('REG_url_link', $REG_url_link);
-    }
-
-
-    /**
-     *        Set Attendee Counter
-     *
-     * @param        int $REG_count Primary Attendee
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_count($REG_count = 1)
-    {
-        $this->set('REG_count', $REG_count);
-    }
-
-
-    /**
-     *        Set Group Size
-     *
-     * @param        boolean $REG_group_size Group Registration
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_group_size($REG_group_size = false)
-    {
-        $this->set('REG_group_size', $REG_group_size);
-    }
-
-
-    /**
-     *    is_not_approved -  convenience method that returns TRUE if REG status ID ==
-     *    EEM_Registration::status_id_not_approved
-     *
-     * @return        boolean
-     */
-    public function is_not_approved()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_not_approved ? true : false;
-    }
-
-
-    /**
-     *    is_pending_payment -  convenience method that returns TRUE if REG status ID ==
-     *    EEM_Registration::status_id_pending_payment
-     *
-     * @return        boolean
-     */
-    public function is_pending_payment()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_pending_payment ? true : false;
-    }
-
-
-    /**
-     *    is_approved -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_approved
-     *
-     * @return        boolean
-     */
-    public function is_approved()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_approved ? true : false;
-    }
-
-
-    /**
-     *    is_cancelled -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_cancelled
-     *
-     * @return        boolean
-     */
-    public function is_cancelled()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_cancelled ? true : false;
-    }
-
-
-    /**
-     *    is_declined -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_declined
-     *
-     * @return        boolean
-     */
-    public function is_declined()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_declined ? true : false;
-    }
-
-
-    /**
-     *    is_incomplete -  convenience method that returns TRUE if REG status ID ==
-     *    EEM_Registration::status_id_incomplete
-     *
-     * @return        boolean
-     */
-    public function is_incomplete()
-    {
-        return $this->status_ID() == EEM_Registration::status_id_incomplete ? true : false;
-    }
-
-
-    /**
-     *        Set Registration Date
-     *
-     * @param        mixed ( int or string ) $REG_date Registration Date - Unix timestamp or string representation of
-     *                                                 Date
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_reg_date($REG_date = false)
-    {
-        $this->set('REG_date', $REG_date);
-    }
-
-
-    /**
-     *    Set final price owing for this registration after all ticket/price modifications
-     *
-     * @access    public
-     * @param    float $REG_final_price
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_final_price($REG_final_price = 0.00)
-    {
-        $this->set('REG_final_price', $REG_final_price);
-    }
-
-
-    /**
-     *    Set amount paid towards this registration's final price
-     *
-     * @access    public
-     * @param    float $REG_paid
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_paid($REG_paid = 0.00)
-    {
-        $this->set('REG_paid', $REG_paid);
-    }
-
-
-    /**
-     *        Attendee Is Going
-     *
-     * @param        boolean $REG_att_is_going Attendee Is Going
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_att_is_going($REG_att_is_going = false)
-    {
-        $this->set('REG_att_is_going', $REG_att_is_going);
-    }
-
-
-    /**
-     * Gets the related attendee
-     *
-     * @return EE_Attendee
-     * @throws EE_Error
-     */
-    public function attendee()
-    {
-        return $this->get_first_related('Attendee');
-    }
-
-    /**
-     * Gets the name of the attendee.
-     * @since 4.10.12.p
-     * @param bool $apply_html_entities set to true if you want to use HTML entities.
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function attendeeName($apply_html_entities = false)
-    {
-        $attendee = $this->get_first_related('Attendee');
-        if ($attendee instanceof EE_Attendee) {
-            $attendee_name = $attendee->full_name($apply_html_entities);
-        } else {
-            $attendee_name = esc_html__('Unknown', 'event_espresso');
-        }
-        return $attendee_name;
-    }
-
-
-    /**
-     *        get Event ID
-     */
-    public function event_ID()
-    {
-        return $this->get('EVT_ID');
-    }
-
-
-    /**
-     *        get Event ID
-     */
-    public function event_name()
-    {
-        $event = $this->event_obj();
-        if ($event) {
-            return $event->name();
-        } else {
-            return null;
-        }
-    }
-
-
-    /**
-     * Fetches the event this registration is for
-     *
-     * @return EE_Event
-     * @throws EE_Error
-     */
-    public function event_obj()
-    {
-        return $this->get_first_related('Event');
-    }
-
-
-    /**
-     *        get Attendee ID
-     */
-    public function attendee_ID()
-    {
-        return $this->get('ATT_ID');
-    }
-
-
-    /**
-     *        get PHP Session ID
-     */
-    public function session_ID()
-    {
-        return $this->get('REG_session');
-    }
-
-
-    /**
-     * Gets the string which represents the URL trigger for the receipt template in the message template system.
-     *
-     * @param string $messenger 'pdf' or 'html'.  Default 'html'.
-     * @return string
-     */
-    public function receipt_url($messenger = 'html')
-    {
-
-        /**
-         * The below will be deprecated one version after this.  We check first if there is a custom receipt template
-         * already in use on old system.  If there is then we just return the standard url for it.
-         *
-         * @since 4.5.0
-         */
-        $template_relative_path = 'modules/gateways/Invoice/lib/templates/receipt_body.template.php';
-        $has_custom = EEH_Template::locate_template(
-            $template_relative_path,
-            array(),
-            true,
-            true,
-            true
-        );
-
-        if ($has_custom) {
-            return add_query_arg(array('receipt' => 'true'), $this->invoice_url('launch'));
-        }
-        return apply_filters('FHEE__EE_Registration__receipt_url__receipt_url', '', $this, $messenger, 'receipt');
-    }
-
-
-    /**
-     * Gets the string which represents the URL trigger for the invoice template in the message template system.
-     *
-     * @param string $messenger 'pdf' or 'html'.  Default 'html'.
-     * @return string
-     * @throws EE_Error
-     */
-    public function invoice_url($messenger = 'html')
-    {
-        /**
-         * The below will be deprecated one version after this.  We check first if there is a custom invoice template
-         * already in use on old system.  If there is then we just return the standard url for it.
-         *
-         * @since 4.5.0
-         */
-        $template_relative_path = 'modules/gateways/Invoice/lib/templates/invoice_body.template.php';
-        $has_custom = EEH_Template::locate_template(
-            $template_relative_path,
-            array(),
-            true,
-            true,
-            true
-        );
-
-        if ($has_custom) {
-            if ($messenger == 'html') {
-                return $this->invoice_url('launch');
-            }
-            $route = $messenger == 'download' || $messenger == 'pdf' ? 'download_invoice' : 'launch_invoice';
-
-            $query_args = array('ee' => $route, 'id' => $this->reg_url_link());
-            if ($messenger == 'html') {
-                $query_args['html'] = true;
-            }
-            return add_query_arg($query_args, get_permalink(EE_Registry::instance()->CFG->core->thank_you_page_id));
-        }
-        return apply_filters('FHEE__EE_Registration__invoice_url__invoice_url', '', $this, $messenger, 'invoice');
-    }
-
-
-    /**
-     * get Registration URL Link
-     *
-     * @access public
-     * @return string
-     * @throws EE_Error
-     */
-    public function reg_url_link()
-    {
-        return (string) $this->get('REG_url_link');
-    }
-
-
-    /**
-     * Echoes out invoice_url()
-     *
-     * @param string $type 'download','launch', or 'html' (default is 'launch')
-     * @return void
-     * @throws EE_Error
-     */
-    public function e_invoice_url($type = 'launch')
-    {
-        echo esc_url_raw($this->invoice_url($type));
-    }
-
-
-    /**
-     * Echoes out payment_overview_url
-     */
-    public function e_payment_overview_url()
-    {
-        echo esc_url_raw($this->payment_overview_url());
-    }
-
-
-    /**
-     * Gets the URL for the checkout payment options reg step
-     * with this registration's REG_url_link added as a query parameter
-     *
-     * @param bool $clear_session Set to true when you want to clear the session on revisiting the
-     *                            payment overview url.
-     * @return string
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     */
-    public function payment_overview_url($clear_session = false)
-    {
-        return add_query_arg(
-            (array) apply_filters(
-                'FHEE__EE_Registration__payment_overview_url__query_args',
-                array(
-                    'e_reg_url_link' => $this->reg_url_link(),
-                    'step'           => 'payment_options',
-                    'revisit'        => true,
-                    'clear_session'  => (bool) $clear_session,
-                ),
-                $this
-            ),
-            EE_Registry::instance()->CFG->core->reg_page_url()
-        );
-    }
-
-
-    /**
-     * Gets the URL for the checkout attendee information reg step
-     * with this registration's REG_url_link added as a query parameter
-     *
-     * @return string
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     */
-    public function edit_attendee_information_url()
-    {
-        return add_query_arg(
-            (array) apply_filters(
-                'FHEE__EE_Registration__edit_attendee_information_url__query_args',
-                array(
-                    'e_reg_url_link' => $this->reg_url_link(),
-                    'step'           => 'attendee_information',
-                    'revisit'        => true,
-                ),
-                $this
-            ),
-            EE_Registry::instance()->CFG->core->reg_page_url()
-        );
-    }
-
-
-    /**
-     * Simply generates and returns the appropriate admin_url link to edit this registration
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_edit_url()
-    {
-        return EEH_URL::add_query_args_and_nonce(
-            array(
-                'page'    => 'espresso_registrations',
-                'action'  => 'view_registration',
-                '_REG_ID' => $this->ID(),
-            ),
-            admin_url('admin.php')
-        );
-    }
-
-
-    /**
-     *    is_primary_registrant?
-     */
-    public function is_primary_registrant()
-    {
-        return $this->get('REG_count') === 1 ? true : false;
-    }
-
-
-    /**
-     * This returns the primary registration object for this registration group (which may be this object).
-     *
-     * @return EE_Registration
-     * @throws EE_Error
-     */
-    public function get_primary_registration()
-    {
-        if ($this->is_primary_registrant()) {
-            return $this;
-        }
-
-        // k reg_count !== 1 so let's get the EE_Registration object matching this txn_id and reg_count == 1
-        /** @var EE_Registration $primary_registrant */
-        $primary_registrant = EEM_Registration::instance()->get_one(
-            array(
-                array(
-                    'TXN_ID'    => $this->transaction_ID(),
-                    'REG_count' => 1,
-                ),
-            )
-        );
-        return $primary_registrant;
-    }
-
-
-    /**
-     *        get  Attendee Number
-     *
-     * @access        public
-     */
-    public function count()
-    {
-        return $this->get('REG_count');
-    }
-
-
-    /**
-     *        get Group Size
-     */
-    public function group_size()
-    {
-        return $this->get('REG_group_size');
-    }
-
-
-    /**
-     *        get Registration Date
-     */
-    public function date()
-    {
-        return $this->get('REG_date');
-    }
-
-
-    /**
-     * gets a pretty date
-     *
-     * @param string $date_format
-     * @param string $time_format
-     * @return string
-     * @throws EE_Error
-     */
-    public function pretty_date($date_format = null, $time_format = null)
-    {
-        return $this->get_datetime('REG_date', $date_format, $time_format);
-    }
-
-
-    /**
-     * final_price
-     * the registration's share of the transaction total, so that the
-     * sum of all the transaction's REG_final_prices equal the transaction's total
-     *
-     * @return float
-     * @throws EE_Error
-     */
-    public function final_price()
-    {
-        return $this->get('REG_final_price');
-    }
-
-
-    /**
-     * pretty_final_price
-     *  final price as formatted string, with correct decimal places and currency symbol
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function pretty_final_price()
-    {
-        return $this->get_pretty('REG_final_price');
-    }
-
-
-    /**
-     * get paid (yeah)
-     *
-     * @return float
-     * @throws EE_Error
-     */
-    public function paid()
-    {
-        return $this->get('REG_paid');
-    }
-
-
-    /**
-     * pretty_paid
-     *
-     * @return float
-     * @throws EE_Error
-     */
-    public function pretty_paid()
-    {
-        return $this->get_pretty('REG_paid');
-    }
-
-
-    /**
-     * owes_monies_and_can_pay
-     * whether or not this registration has monies owing and it's' status allows payment
-     *
-     * @param array $requires_payment
-     * @return bool
-     * @throws EE_Error
-     */
-    public function owes_monies_and_can_pay($requires_payment = array())
-    {
-        // these reg statuses require payment (if event is not free)
-        $requires_payment = ! empty($requires_payment)
-            ? $requires_payment
-            : EEM_Registration::reg_statuses_that_allow_payment();
-        if (
-            in_array($this->status_ID(), $requires_payment) &&
-            $this->final_price() != 0 &&
-            $this->final_price() != $this->paid()
-        ) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-
-    /**
-     * Prints out the return value of $this->pretty_status()
-     *
-     * @param bool $show_icons
-     * @return void
-     * @throws EE_Error
-     */
-    public function e_pretty_status($show_icons = false)
-    {
-        echo wp_kses($this->pretty_status($show_icons), AllowedTags::getAllowedTags());
-    }
-
-
-    /**
-     * Returns a nice version of the status for displaying to customers
-     *
-     * @param bool $show_icons
-     * @return string
-     * @throws EE_Error
-     */
-    public function pretty_status($show_icons = false)
-    {
-        $status = EEM_Status::instance()->localized_status(
-            array($this->status_ID() => esc_html__('unknown', 'event_espresso')),
-            false,
-            'sentence'
-        );
-        $icon = '';
-        switch ($this->status_ID()) {
-            case EEM_Registration::status_id_approved:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-star-filled ee-icon-size-16 green-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_pending_payment:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-star-half ee-icon-size-16 orange-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_not_approved:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-marker ee-icon-size-16 orange-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_cancelled:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-no ee-icon-size-16 lt-grey-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_incomplete:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-no ee-icon-size-16 lt-orange-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_declined:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-no ee-icon-size-16 red-text"></span>'
-                    : '';
-                break;
-            case EEM_Registration::status_id_wait_list:
-                $icon = $show_icons
-                    ? '<span class="dashicons dashicons-clipboard ee-icon-size-16 purple-text"></span>'
-                    : '';
-                break;
-        }
-        return $icon . $status[ $this->status_ID() ];
-    }
-
-
-    /**
-     *        get Attendee Is Going
-     */
-    public function att_is_going()
-    {
-        return $this->get('REG_att_is_going');
-    }
-
-
-    /**
-     * Gets related answers
-     *
-     * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-     * @return EE_Answer[]
-     * @throws EE_Error
-     */
-    public function answers($query_params = null)
-    {
-        return $this->get_many_related('Answer', $query_params);
-    }
-
-
-    /**
-     * Gets the registration's answer value to the specified question
-     * (either the question's ID or a question object)
-     *
-     * @param EE_Question|int $question
-     * @param bool            $pretty_value
-     * @return array|string if pretty_value= true, the result will always be a string
-     * (because the answer might be an array of answer values, so passing pretty_value=true
-     * will convert it into some kind of string)
-     * @throws EE_Error
-     */
-    public function answer_value_to_question($question, $pretty_value = true)
-    {
-        $question_id = EEM_Question::instance()->ensure_is_ID($question);
-        return EEM_Answer::instance()->get_answer_value_to_question($this, $question_id, $pretty_value);
-    }
-
-
-    /**
-     * question_groups
-     * returns an array of EE_Question_Group objects for this registration
-     *
-     * @return EE_Question_Group[]
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function question_groups()
-    {
-        return EEM_Event::instance()->get_question_groups_for_event($this->event_ID(), $this);
-    }
-
-
-    /**
-     * count_question_groups
-     * returns a count of the number of EE_Question_Group objects for this registration
-     *
-     * @return int
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function count_question_groups()
-    {
-        return EEM_Event::instance()->count_related(
-            $this->event_ID(),
-            'Question_Group',
-            [
-                [
-                    'Event_Question_Group.'
-                    . EEM_Event_Question_Group::instance()->fieldNameForContext($this->is_primary_registrant()) => true,
-                ]
-            ]
-        );
-    }
-
-
-    /**
-     * Returns the registration date in the 'standard' string format
-     * (function may be improved in the future to allow for different formats and timezones)
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function reg_date()
-    {
-        return $this->get_datetime('REG_date');
-    }
-
-
-    /**
-     * Gets the datetime-ticket for this registration (ie, it can be used to isolate
-     * the ticket this registration purchased, or the datetime they have registered
-     * to attend)
-     *
-     * @return EE_Datetime_Ticket
-     * @throws EE_Error
-     */
-    public function datetime_ticket()
-    {
-        return $this->get_first_related('Datetime_Ticket');
-    }
-
-
-    /**
-     * Sets the registration's datetime_ticket.
-     *
-     * @param EE_Datetime_Ticket $datetime_ticket
-     * @return EE_Datetime_Ticket
-     * @throws EE_Error
-     */
-    public function set_datetime_ticket($datetime_ticket)
-    {
-        return $this->_add_relation_to($datetime_ticket, 'Datetime_Ticket');
-    }
-
-    /**
-     * Gets deleted
-     *
-     * @return bool
-     * @throws EE_Error
-     */
-    public function deleted()
-    {
-        return $this->get('REG_deleted');
-    }
-
-    /**
-     * Sets deleted
-     *
-     * @param boolean $deleted
-     * @return bool
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_deleted($deleted)
-    {
-        if ($deleted) {
-            $this->delete();
-        } else {
-            $this->restore();
-        }
-    }
-
-
-    /**
-     * Get the status object of this object
-     *
-     * @return EE_Status
-     * @throws EE_Error
-     */
-    public function status_obj()
-    {
-        return $this->get_first_related('Status');
-    }
-
-
-    /**
-     * Returns the number of times this registration has checked into any of the datetimes
-     * its available for
-     *
-     * @return int
-     * @throws EE_Error
-     */
-    public function count_checkins()
-    {
-        return $this->get_model()->count_related($this, 'Checkin');
-    }
-
-
-    /**
-     * Returns the number of current Check-ins this registration is checked into for any of the datetimes the
-     * registration is for.  Note, this is ONLY checked in (does not include checkedout)
-     *
-     * @return int
-     * @throws EE_Error
-     */
-    public function count_checkins_not_checkedout()
-    {
-        return $this->get_model()->count_related($this, 'Checkin', array(array('CHK_in' => 1)));
-    }
-
-
-    /**
-     * The purpose of this method is simply to check whether this registration can checkin to the given datetime.
-     *
-     * @param int | EE_Datetime $DTT_OR_ID      The datetime the registration is being checked against
-     * @param bool              $check_approved This is used to indicate whether the caller wants can_checkin to also
-     *                                          consider registration status as well as datetime access.
-     * @return bool
-     * @throws EE_Error
-     */
-    public function can_checkin($DTT_OR_ID, $check_approved = true)
-    {
-        $DTT_ID = EEM_Datetime::instance()->ensure_is_ID($DTT_OR_ID);
-
-        // first check registration status
-        if (($check_approved && ! $this->is_approved()) || ! $DTT_ID) {
-            return false;
-        }
-        // is there a datetime ticket that matches this dtt_ID?
-        if (
-            ! (EEM_Datetime_Ticket::instance()->exists(
-                array(
-                array(
-                    'TKT_ID' => $this->get('TKT_ID'),
-                    'DTT_ID' => $DTT_ID,
-                ),
-                )
-            ))
-        ) {
-            return false;
-        }
-
-        // final check is against TKT_uses
-        return $this->verify_can_checkin_against_TKT_uses($DTT_ID);
-    }
-
-
-    /**
-     * This method verifies whether the user can checkin for the given datetime considering the max uses value set on
-     * the ticket. To do this,  a query is done to get the count of the datetime records already checked into.  If the
-     * datetime given does not have a check-in record and checking in for that datetime will exceed the allowed uses,
-     * then return false.  Otherwise return true.
-     *
-     * @param int | EE_Datetime $DTT_OR_ID The datetime the registration is being checked against
-     * @return bool true means can checkin.  false means cannot checkin.
-     * @throws EE_Error
-     */
-    public function verify_can_checkin_against_TKT_uses($DTT_OR_ID)
-    {
-        $DTT_ID = EEM_Datetime::instance()->ensure_is_ID($DTT_OR_ID);
-
-        if (! $DTT_ID) {
-            return false;
-        }
-
-        $max_uses = $this->ticket() instanceof EE_Ticket ? $this->ticket()->uses() : EE_INF;
-
-        // if max uses is not set or equals infinity then return true cause its not a factor for whether user can
-        // check-in or not.
-        if (! $max_uses || $max_uses === EE_INF) {
-            return true;
-        }
-
-        // does this datetime have a checkin record?  If so, then the dtt count has already been verified so we can just
-        // go ahead and toggle.
-        if (EEM_Checkin::instance()->exists(array(array('REG_ID' => $this->ID(), 'DTT_ID' => $DTT_ID)))) {
-            return true;
-        }
-
-        // made it here so the last check is whether the number of checkins per unique datetime on this registration
-        // disallows further check-ins.
-        $count_unique_dtt_checkins = EEM_Checkin::instance()->count(
-            array(
-                array(
-                    'REG_ID' => $this->ID(),
-                    'CHK_in' => true,
-                ),
-            ),
-            'DTT_ID',
-            true
-        );
-        // checkins have already reached their max number of uses
-        // so registrant can NOT checkin
-        if ($count_unique_dtt_checkins >= $max_uses) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Check-in denied because number of datetime uses for the ticket has been reached or exceeded.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * toggle Check-in status for this registration
-     * Check-ins are toggled in the following order:
-     * never checked in -> checked in
-     * checked in -> checked out
-     * checked out -> checked in
-     *
-     * @param  int $DTT_ID  include specific datetime to toggle Check-in for.
-     *                      If not included or null, then it is assumed latest datetime is being toggled.
-     * @param bool $verify  If true then can_checkin() is used to verify whether the person
-     *                      can be checked in or not.  Otherwise this forces change in checkin status.
-     * @return bool|int     the chk_in status toggled to OR false if nothing got changed.
-     * @throws EE_Error
-     */
-    public function toggle_checkin_status($DTT_ID = null, $verify = false)
-    {
-        if (empty($DTT_ID)) {
-            $datetime = $this->get_latest_related_datetime();
-            $DTT_ID = $datetime instanceof EE_Datetime ? $datetime->ID() : 0;
-            // verify the registration can checkin for the given DTT_ID
-        } elseif (! $this->can_checkin($DTT_ID, $verify)) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'The given registration (ID:%1$d) can not be checked in to the given DTT_ID (%2$d), because the registration does not have access',
-                        'event_espresso'
-                    ),
-                    $this->ID(),
-                    $DTT_ID
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        $status_paths = array(
-            EE_Checkin::status_checked_never => EE_Checkin::status_checked_in,
-            EE_Checkin::status_checked_in    => EE_Checkin::status_checked_out,
-            EE_Checkin::status_checked_out   => EE_Checkin::status_checked_in,
-        );
-        // start by getting the current status so we know what status we'll be changing to.
-        $cur_status = $this->check_in_status_for_datetime($DTT_ID, null);
-        $status_to = $status_paths[ $cur_status ];
-        // database only records true for checked IN or false for checked OUT
-        // no record ( null ) means checked in NEVER, but we obviously don't save that
-        $new_status = $status_to === EE_Checkin::status_checked_in ? true : false;
-        // add relation - note Check-ins are always creating new rows
-        // because we are keeping track of Check-ins over time.
-        // Eventually we'll probably want to show a list table
-        // for the individual Check-ins so that they can be managed.
-        $checkin = EE_Checkin::new_instance(
-            array(
-                'REG_ID' => $this->ID(),
-                'DTT_ID' => $DTT_ID,
-                'CHK_in' => $new_status,
-            )
-        );
-        // if the record could not be saved then return false
-        if ($checkin->save() === 0) {
-            if (WP_DEBUG) {
-                global $wpdb;
-                $error = sprintf(
-                    esc_html__(
-                        'Registration check in update failed because of the following database error: %1$s%2$s',
-                        'event_espresso'
-                    ),
-                    '<br />',
-                    $wpdb->last_error
-                );
-            } else {
-                $error = esc_html__(
-                    'Registration check in update failed because of an unknown database error',
-                    'event_espresso'
-                );
-            }
-            EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        // Fire a checked_in and checkout_out action.
-        $checked_status = $status_to === EE_Checkin::status_checked_in ? 'checked_in' : 'checked_out';
-        do_action("AHEE__EE_Registration__toggle_checkin_status__{$checked_status}", $this, $DTT_ID);
-        return $status_to;
-    }
-
-
-    /**
-     * Returns the latest datetime related to this registration (via the ticket attached to the registration).
-     * "Latest" is defined by the `DTT_EVT_start` column.
-     *
-     * @return EE_Datetime|null
-     * @throws EE_Error
-     */
-    public function get_latest_related_datetime()
-    {
-        return EEM_Datetime::instance()->get_one(
-            array(
-                array(
-                    'Ticket.Registration.REG_ID' => $this->ID(),
-                ),
-                'order_by' => array('DTT_EVT_start' => 'DESC'),
-            )
-        );
-    }
-
-
-    /**
-     * Returns the earliest datetime related to this registration (via the ticket attached to the registration).
-     * "Earliest" is defined by the `DTT_EVT_start` column.
-     *
-     * @throws EE_Error
-     */
-    public function get_earliest_related_datetime()
-    {
-        return EEM_Datetime::instance()->get_one(
-            array(
-                array(
-                    'Ticket.Registration.REG_ID' => $this->ID(),
-                ),
-                'order_by' => array('DTT_EVT_start' => 'ASC'),
-            )
-        );
-    }
-
-
-    /**
-     * This method simply returns the check-in status for this registration and the given datetime.
-     * If neither the datetime nor the checkin values are provided as arguments,
-     * then this will return the LATEST check-in status for the registration across all datetimes it belongs to.
-     *
-     * @param  int       $DTT_ID  The ID of the datetime we're checking against
-     *                            (if empty we'll get the primary datetime for
-     *                            this registration (via event) and use it's ID);
-     * @param EE_Checkin $checkin If present, we use the given checkin object rather than the dtt_id.
-     *
-     * @return int                Integer representing Check-in status.
-     * @throws EE_Error
-     */
-    public function check_in_status_for_datetime($DTT_ID = 0, $checkin = null)
-    {
-        $checkin_query_params = array(
-            'order_by' => array('CHK_timestamp' => 'DESC'),
-        );
-
-        if ($DTT_ID > 0) {
-            $checkin_query_params[0] = array('DTT_ID' => $DTT_ID);
-        }
-
-        // get checkin object (if exists)
-        $checkin = $checkin instanceof EE_Checkin
-            ? $checkin
-            : $this->get_first_related('Checkin', $checkin_query_params);
-        if ($checkin instanceof EE_Checkin) {
-            if ($checkin->get('CHK_in')) {
-                return EE_Checkin::status_checked_in; // checked in
-            }
-            return EE_Checkin::status_checked_out; // had checked in but is now checked out.
-        }
-        return EE_Checkin::status_checked_never; // never been checked in
-    }
-
-
-    /**
-     * This method returns a localized message for the toggled Check-in message.
-     *
-     * @param  int $DTT_ID include specific datetime to get the correct Check-in message.  If not included or null,
-     *                     then it is assumed Check-in for primary datetime was toggled.
-     * @param bool $error  This just flags that you want an error message returned. This is put in so that the error
-     *                     message can be customized with the attendee name.
-     * @return string internationalized message
-     * @throws EE_Error
-     */
-    public function get_checkin_msg($DTT_ID, $error = false)
-    {
-        // let's get the attendee first so we can include the name of the attendee
-        $attendee = $this->get_first_related('Attendee');
-        if ($attendee instanceof EE_Attendee) {
-            if ($error) {
-                return sprintf(esc_html__("%s's check-in status was not changed.", "event_espresso"), $attendee->full_name());
-            }
-            $cur_status = $this->check_in_status_for_datetime($DTT_ID);
-            // what is the status message going to be?
-            switch ($cur_status) {
-                case EE_Checkin::status_checked_never:
-                    return sprintf(
-                        esc_html__("%s has been removed from Check-in records", "event_espresso"),
-                        $attendee->full_name()
-                    );
-                    break;
-                case EE_Checkin::status_checked_in:
-                    return sprintf(esc_html__('%s has been checked in', 'event_espresso'), $attendee->full_name());
-                    break;
-                case EE_Checkin::status_checked_out:
-                    return sprintf(esc_html__('%s has been checked out', 'event_espresso'), $attendee->full_name());
-                    break;
-            }
-        }
-        return esc_html__("The check-in status could not be determined.", "event_espresso");
-    }
-
-
-    /**
-     * Returns the related EE_Transaction to this registration
-     *
-     * @return EE_Transaction
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     */
-    public function transaction()
-    {
-        $transaction = $this->get_first_related('Transaction');
-        if (! $transaction instanceof \EE_Transaction) {
-            throw new EntityNotFoundException('Transaction ID', $this->transaction_ID());
-        }
-        return $transaction;
-    }
-
-
-    /**
-     *        get Registration Code
-     */
-    public function reg_code()
-    {
-        return $this->get('REG_code');
-    }
-
-
-    /**
-     *        get Transaction ID
-     */
-    public function transaction_ID()
-    {
-        return $this->get('TXN_ID');
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     */
-    public function ticket_ID()
-    {
-        return $this->get('TKT_ID');
-    }
-
-
-    /**
-     *        Set Registration Code
-     *
-     * @access    public
-     * @param    string  $REG_code Registration Code
-     * @param    boolean $use_default
-     * @throws EE_Error
-     */
-    public function set_reg_code($REG_code, $use_default = false)
-    {
-        if (empty($REG_code)) {
-            EE_Error::add_error(
-                esc_html__('REG_code can not be empty.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return;
-        }
-        if (! $this->reg_code()) {
-            parent::set('REG_code', $REG_code, $use_default);
-        } else {
-            EE_Error::doing_it_wrong(
-                __CLASS__ . '::' . __FUNCTION__,
-                esc_html__('Can not change a registration REG_code once it has been set.', 'event_espresso'),
-                '4.6.0'
-            );
-        }
-    }
-
-
-    /**
-     * Returns all other registrations in the same group as this registrant who have the same ticket option.
-     * Note, if you want to just get all registrations in the same transaction (group), use:
-     *    $registration->transaction()->registrations();
-     *
-     * @since 4.5.0
-     * @return EE_Registration[] or empty array if this isn't a group registration.
-     * @throws EE_Error
-     */
-    public function get_all_other_registrations_in_group()
-    {
-        if ($this->group_size() < 2) {
-            return array();
-        }
-
-        $query[0] = array(
-            'TXN_ID' => $this->transaction_ID(),
-            'REG_ID' => array('!=', $this->ID()),
-            'TKT_ID' => $this->ticket_ID(),
-        );
-        /** @var EE_Registration[] $registrations */
-        $registrations = $this->get_model()->get_all($query);
-        return $registrations;
-    }
-
-    /**
-     * Return the link to the admin details for the object.
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_details_link()
-    {
-        EE_Registry::instance()->load_helper('URL');
-        return EEH_URL::add_query_args_and_nonce(
-            array(
-                'page'    => 'espresso_registrations',
-                'action'  => 'view_registration',
-                '_REG_ID' => $this->ID(),
-            ),
-            admin_url('admin.php')
-        );
-    }
-
-    /**
-     * Returns the link to the editor for the object.  Sometimes this is the same as the details.
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_edit_link()
-    {
-        return $this->get_admin_details_link();
-    }
-
-    /**
-     * Returns the link to a settings page for the object.
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_settings_link()
-    {
-        return $this->get_admin_details_link();
-    }
-
-    /**
-     * Returns the link to the "overview" for the object (typically the "list table" view).
-     *
-     * @return string
-     */
-    public function get_admin_overview_link()
-    {
-        EE_Registry::instance()->load_helper('URL');
-        return EEH_URL::add_query_args_and_nonce(
-            array(
-                'page' => 'espresso_registrations',
-            ),
-            admin_url('admin.php')
-        );
-    }
-
-
-    /**
-     * @param array $query_params
-     *
-     * @return \EE_Registration[]
-     * @throws EE_Error
-     */
-    public function payments($query_params = array())
-    {
-        return $this->get_many_related('Payment', $query_params);
-    }
-
-
-    /**
-     * @param array $query_params
-     *
-     * @return \EE_Registration_Payment[]
-     * @throws EE_Error
-     */
-    public function registration_payments($query_params = array())
-    {
-        return $this->get_many_related('Registration_Payment', $query_params);
-    }
-
-
-    /**
-     * This grabs the payment method corresponding to the last payment made for the amount owing on the registration.
-     * Note: if there are no payments on the registration there will be no payment method returned.
-     *
-     * @return EE_Payment_Method|null
-     */
-    public function payment_method()
-    {
-        return EEM_Payment_Method::instance()->get_last_used_for_registration($this);
-    }
-
-
-    /**
-     * @return \EE_Line_Item
-     * @throws EntityNotFoundException
-     * @throws EE_Error
-     */
-    public function ticket_line_item()
-    {
-        $ticket = $this->ticket();
-        $transaction = $this->transaction();
-        $line_item = null;
-        $ticket_line_items = \EEH_Line_Item::get_line_items_by_object_type_and_IDs(
-            $transaction->total_line_item(),
-            'Ticket',
-            array($ticket->ID())
-        );
-        foreach ($ticket_line_items as $ticket_line_item) {
-            if (
-                $ticket_line_item instanceof \EE_Line_Item
-                && $ticket_line_item->OBJ_type() === 'Ticket'
-                && $ticket_line_item->OBJ_ID() === $ticket->ID()
-            ) {
-                $line_item = $ticket_line_item;
-                break;
-            }
-        }
-        if (! ($line_item instanceof \EE_Line_Item && $line_item->OBJ_type() === 'Ticket')) {
-            throw new EntityNotFoundException('Line Item Ticket ID', $ticket->ID());
-        }
-        return $line_item;
-    }
-
-
-    /**
-     * Soft Deletes this model object.
-     *
-     * @return boolean | int
-     * @throws RuntimeException
-     * @throws EE_Error
-     */
-    public function delete()
-    {
-        if ($this->update_extra_meta(EE_Registration::PRE_TRASH_REG_STATUS_KEY, $this->status_ID()) === true) {
-            $this->set_status(EEM_Registration::status_id_cancelled);
-        }
-        return parent::delete();
-    }
-
-
-    /**
-     * Restores whatever the previous status was on a registration before it was trashed (if possible)
-     *
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function restore()
-    {
-        $previous_status = $this->get_extra_meta(
-            EE_Registration::PRE_TRASH_REG_STATUS_KEY,
-            true,
-            EEM_Registration::status_id_cancelled
-        );
-        if ($previous_status) {
-            $this->delete_extra_meta(EE_Registration::PRE_TRASH_REG_STATUS_KEY);
-            $this->set_status($previous_status);
-        }
-        return parent::restore();
-    }
-
-
-    /**
-     * possibly toggle Registration status based on comparison of REG_paid vs REG_final_price
-     *
-     * @param  boolean $trigger_set_status_logic EE_Registration::set_status() can trigger additional logic
-     *                                           depending on whether the reg status changes to or from "Approved"
-     * @return boolean whether the Registration status was updated
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function updateStatusBasedOnTotalPaid($trigger_set_status_logic = true)
-    {
-        $paid = $this->paid();
-        $price = $this->final_price();
-        switch (true) {
-            // overpaid or paid
-            case EEH_Money::compare_floats($paid, $price, '>'):
-            case EEH_Money::compare_floats($paid, $price):
-                $new_status = EEM_Registration::status_id_approved;
-                break;
-            //  underpaid
-            case EEH_Money::compare_floats($paid, $price, '<'):
-                $new_status = EEM_Registration::status_id_pending_payment;
-                break;
-            // uhhh Houston...
-            default:
-                throw new RuntimeException(
-                    esc_html__('The total paid calculation for this registration is inaccurate.', 'event_espresso')
-                );
-        }
-        if ($new_status !== $this->status_ID()) {
-            if ($trigger_set_status_logic) {
-                return $this->set_status($new_status);
-            }
-            parent::set('STS_ID', $new_status);
-            return true;
-        }
-        return false;
-    }
-
-
-    /*************************** DEPRECATED ***************************/
-
-
-    /**
-     * @deprecated
-     * @since     4.7.0
-     * @access    public
-     */
-    public function price_paid()
-    {
-        EE_Error::doing_it_wrong(
-            'EE_Registration::price_paid()',
-            esc_html__(
-                'This method is deprecated, please use EE_Registration::final_price() instead.',
-                'event_espresso'
-            ),
-            '4.7.0'
-        );
-        return $this->final_price();
-    }
-
-
-    /**
-     * @deprecated
-     * @since     4.7.0
-     * @access    public
-     * @param    float $REG_final_price
-     * @throws EE_Error
-     * @throws RuntimeException
-     */
-    public function set_price_paid($REG_final_price = 0.00)
-    {
-        EE_Error::doing_it_wrong(
-            'EE_Registration::set_price_paid()',
-            esc_html__(
-                'This method is deprecated, please use EE_Registration::set_final_price() instead.',
-                'event_espresso'
-            ),
-            '4.7.0'
-        );
-        $this->set_final_price($REG_final_price);
-    }
-
-
-    /**
-     * @deprecated
-     * @since 4.7.0
-     * @return string
-     * @throws EE_Error
-     */
-    public function pretty_price_paid()
-    {
-        EE_Error::doing_it_wrong(
-            'EE_Registration::pretty_price_paid()',
-            esc_html__(
-                'This method is deprecated, please use EE_Registration::pretty_final_price() instead.',
-                'event_espresso'
-            ),
-            '4.7.0'
-        );
-        return $this->pretty_final_price();
-    }
-
-
-    /**
-     * Gets the primary datetime related to this registration via the related Event to this registration
-     *
-     * @deprecated 4.9.17
-     * @return EE_Datetime
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     */
-    public function get_related_primary_datetime()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__(
-                'Use EE_Registration::get_latest_related_datetime() or EE_Registration::get_earliest_related_datetime()',
-                'event_espresso'
-            ),
-            '4.9.17',
-            '5.0.0'
-        );
-        return $this->event()->primary_datetime();
-    }
-
-    /**
-     * Returns the contact's name (or "Unknown" if there is no contact.)
-     * @since 4.10.12.p
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function name()
-    {
-        return $this->attendeeName();
-    }
+	/**
+	 * Used to reference when a registration has never been checked in.
+	 *
+	 * @deprecated use \EE_Checkin::status_checked_never instead
+	 * @type int
+	 */
+	const checkin_status_never = 2;
+
+	/**
+	 * Used to reference when a registration has been checked in.
+	 *
+	 * @deprecated use \EE_Checkin::status_checked_in instead
+	 * @type int
+	 */
+	const checkin_status_in = 1;
+
+
+	/**
+	 * Used to reference when a registration has been checked out.
+	 *
+	 * @deprecated use \EE_Checkin::status_checked_out instead
+	 * @type int
+	 */
+	const checkin_status_out = 0;
+
+
+	/**
+	 * extra meta key for tracking reg status os trashed registrations
+	 *
+	 * @type string
+	 */
+	const PRE_TRASH_REG_STATUS_KEY = 'pre_trash_registration_status';
+
+
+	/**
+	 * extra meta key for tracking if registration has reserved ticket
+	 *
+	 * @type string
+	 */
+	const HAS_RESERVED_TICKET_KEY = 'has_reserved_ticket';
+
+
+	/**
+	 * @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  $date_formats            incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @return EE_Registration
+	 * @throws EE_Error
+	 */
+	public static function new_instance($props_n_values = array(), $timezone = null, $date_formats = array())
+	{
+		$has_object = parent::_check_for_object($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 $timezone        incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Registration
+	 */
+	public static function new_instance_from_db($props_n_values = array(), $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 *        Set Event ID
+	 *
+	 * @param        int $EVT_ID Event ID
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_event($EVT_ID = 0)
+	{
+		$this->set('EVT_ID', $EVT_ID);
+	}
+
+
+	/**
+	 * Overrides parent set() method so that all calls to set( 'REG_code', $REG_code ) OR set( 'STS_ID', $STS_ID ) can
+	 * be routed to internal methods
+	 *
+	 * @param string $field_name
+	 * @param mixed  $field_value
+	 * @param bool   $use_default
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public function set($field_name, $field_value, $use_default = false)
+	{
+		switch ($field_name) {
+			case 'REG_code':
+				if (! empty($field_value) && $this->reg_code() === null) {
+					$this->set_reg_code($field_value, $use_default);
+				}
+				break;
+			case 'STS_ID':
+				$this->set_status($field_value, $use_default);
+				break;
+			default:
+				parent::set($field_name, $field_value, $use_default);
+		}
+	}
+
+
+	/**
+	 * Set Status ID
+	 * updates the registration status and ALSO...
+	 * calls reserve_registration_space() if the reg status changes TO approved from any other reg status
+	 * calls release_registration_space() if the reg status changes FROM approved to any other reg status
+	 *
+	 * @param string                $new_STS_ID
+	 * @param boolean               $use_default
+	 * @param ContextInterface|null $context
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws UnexpectedEntityException
+	 */
+	public function set_status($new_STS_ID = null, $use_default = false, ContextInterface $context = null)
+	{
+		// get current REG_Status
+		$old_STS_ID = $this->status_ID();
+		// if status has changed
+		if (
+			$old_STS_ID !== $new_STS_ID // and that status has actually changed
+			&& ! empty($old_STS_ID) // and that old status is actually set
+			&& ! empty($new_STS_ID) // as well as the new status
+			&& $this->ID() // ensure registration is in the db
+		) {
+			// update internal status first
+			parent::set('STS_ID', $new_STS_ID, $use_default);
+			// THEN handle other changes that occur when reg status changes
+			// TO approved
+			if ($new_STS_ID === EEM_Registration::status_id_approved) {
+				// reserve a space by incrementing ticket and datetime sold values
+				$this->reserveRegistrationSpace();
+				do_action('AHEE__EE_Registration__set_status__to_approved', $this, $old_STS_ID, $new_STS_ID, $context);
+				// OR FROM  approved
+			} elseif ($old_STS_ID === EEM_Registration::status_id_approved) {
+				// release a space by decrementing ticket and datetime sold values
+				$this->releaseRegistrationSpace();
+				do_action(
+					'AHEE__EE_Registration__set_status__from_approved',
+					$this,
+					$old_STS_ID,
+					$new_STS_ID,
+					$context
+				);
+			}
+			// update status
+			parent::set('STS_ID', $new_STS_ID, $use_default);
+			$this->updateIfCanceledOrReinstated($new_STS_ID, $old_STS_ID, $context);
+			if ($this->statusChangeUpdatesTransaction($context)) {
+				$this->updateTransactionAfterStatusChange();
+			}
+			do_action('AHEE__EE_Registration__set_status__after_update', $this, $old_STS_ID, $new_STS_ID, $context);
+			return true;
+		}
+		// even though the old value matches the new value, it's still good to
+		// allow the parent set method to have a say
+		parent::set('STS_ID', $new_STS_ID, $use_default);
+		return true;
+	}
+
+
+	/**
+	 * update REGs and TXN when cancelled or declined registrations involved
+	 *
+	 * @param string                $new_STS_ID
+	 * @param string                $old_STS_ID
+	 * @param ContextInterface|null $context
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	private function updateIfCanceledOrReinstated($new_STS_ID, $old_STS_ID, ContextInterface $context = null)
+	{
+		// these reg statuses should not be considered in any calculations involving monies owing
+		$closed_reg_statuses = EEM_Registration::closed_reg_statuses();
+		// true if registration has been cancelled or declined
+		$this->updateIfCanceled(
+			$closed_reg_statuses,
+			$new_STS_ID,
+			$old_STS_ID,
+			$context
+		);
+		$this->updateIfReinstated(
+			$closed_reg_statuses,
+			$new_STS_ID,
+			$old_STS_ID,
+			$context
+		);
+	}
+
+
+	/**
+	 * update REGs and TXN when cancelled or declined registrations involved
+	 *
+	 * @param array                 $closed_reg_statuses
+	 * @param string                $new_STS_ID
+	 * @param string                $old_STS_ID
+	 * @param ContextInterface|null $context
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	private function updateIfCanceled(
+		array $closed_reg_statuses,
+		$new_STS_ID,
+		$old_STS_ID,
+		ContextInterface $context = null
+	) {
+		// true if registration has been cancelled or declined
+		if (
+			in_array($new_STS_ID, $closed_reg_statuses, true)
+			&& ! in_array($old_STS_ID, $closed_reg_statuses, true)
+		) {
+			/** @type EE_Registration_Processor $registration_processor */
+			$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
+			/** @type EE_Transaction_Processor $transaction_processor */
+			$transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
+			// cancelled or declined registration
+			$registration_processor->update_registration_after_being_canceled_or_declined(
+				$this,
+				$closed_reg_statuses
+			);
+			$transaction_processor->update_transaction_after_canceled_or_declined_registration(
+				$this,
+				$closed_reg_statuses,
+				false
+			);
+			do_action(
+				'AHEE__EE_Registration__set_status__canceled_or_declined',
+				$this,
+				$old_STS_ID,
+				$new_STS_ID,
+				$context
+			);
+			return;
+		}
+	}
+
+
+	/**
+	 * update REGs and TXN when cancelled or declined registrations involved
+	 *
+	 * @param array                 $closed_reg_statuses
+	 * @param string                $new_STS_ID
+	 * @param string                $old_STS_ID
+	 * @param ContextInterface|null $context
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	private function updateIfReinstated(
+		array $closed_reg_statuses,
+		$new_STS_ID,
+		$old_STS_ID,
+		ContextInterface $context = null
+	) {
+		// true if reinstating cancelled or declined registration
+		if (
+			in_array($old_STS_ID, $closed_reg_statuses, true)
+			&& ! in_array($new_STS_ID, $closed_reg_statuses, true)
+		) {
+			/** @type EE_Registration_Processor $registration_processor */
+			$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
+			/** @type EE_Transaction_Processor $transaction_processor */
+			$transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
+			// reinstating cancelled or declined registration
+			$registration_processor->update_canceled_or_declined_registration_after_being_reinstated(
+				$this,
+				$closed_reg_statuses
+			);
+			$transaction_processor->update_transaction_after_reinstating_canceled_registration(
+				$this,
+				$closed_reg_statuses,
+				false
+			);
+			do_action(
+				'AHEE__EE_Registration__set_status__after_reinstated',
+				$this,
+				$old_STS_ID,
+				$new_STS_ID,
+				$context
+			);
+		}
+	}
+
+
+	/**
+	 * @param ContextInterface|null $context
+	 * @return bool
+	 */
+	private function statusChangeUpdatesTransaction(ContextInterface $context = null)
+	{
+		$contexts_that_do_not_update_transaction = (array) apply_filters(
+			'AHEE__EE_Registration__statusChangeUpdatesTransaction__contexts_that_do_not_update_transaction',
+			array('spco_reg_step_attendee_information_process_registrations'),
+			$context,
+			$this
+		);
+		return ! (
+			$context instanceof ContextInterface
+			&& in_array($context->slug(), $contexts_that_do_not_update_transaction, true)
+		);
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	private function updateTransactionAfterStatusChange()
+	{
+		/** @type EE_Transaction_Payments $transaction_payments */
+		$transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
+		$transaction_payments->recalculate_transaction_total($this->transaction(), false);
+		$this->transaction()->update_status_based_on_total_paid(true);
+	}
+
+
+	/**
+	 *        get Status ID
+	 */
+	public function status_ID()
+	{
+		return $this->get('STS_ID');
+	}
+
+
+	/**
+	 * Gets the ticket this registration is for
+	 *
+	 * @param boolean $include_archived whether to include archived tickets or not.
+	 *
+	 * @return EE_Ticket|EE_Base_Class
+	 * @throws EE_Error
+	 */
+	public function ticket($include_archived = true)
+	{
+		$query_params = array();
+		if ($include_archived) {
+			$query_params['default_where_conditions'] = 'none';
+		}
+		return $this->get_first_related('Ticket', $query_params);
+	}
+
+
+	/**
+	 * Gets the event this registration is for
+	 *
+	 * @return EE_Event
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 */
+	public function event()
+	{
+		$event = $this->get_first_related('Event');
+		if (! $event instanceof \EE_Event) {
+			throw new EntityNotFoundException('Event ID', $this->event_ID());
+		}
+		return $event;
+	}
+
+
+	/**
+	 * Gets the "author" of the registration.  Note that for the purposes of registrations, the author will correspond
+	 * with the author of the event this registration is for.
+	 *
+	 * @since 4.5.0
+	 * @return int
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 */
+	public function wp_user()
+	{
+		$event = $this->event();
+		if ($event instanceof EE_Event) {
+			return $event->wp_user();
+		}
+		return 0;
+	}
+
+
+	/**
+	 * increments this registration's related ticket sold and corresponding datetime sold values
+	 *
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws UnexpectedEntityException
+	 */
+	private function reserveRegistrationSpace()
+	{
+		// reserved ticket and datetime counts will be decremented as sold counts are incremented
+		// so stop tracking that this reg has a ticket reserved
+		$this->release_reserved_ticket(false, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+		$ticket = $this->ticket();
+		$ticket->increaseSold();
+		// possibly set event status to sold out
+		$this->event()->perform_sold_out_status_check();
+	}
+
+
+	/**
+	 * decrements (subtracts) this registration's related ticket sold and corresponding datetime sold values
+	 *
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws UnexpectedEntityException
+	 */
+	private function releaseRegistrationSpace()
+	{
+		$ticket = $this->ticket();
+		$ticket->decreaseSold();
+		// possibly change event status from sold out back to previous status
+		$this->event()->perform_sold_out_status_check();
+	}
+
+
+	/**
+	 * tracks this registration's ticket reservation in extra meta
+	 * and can increment related ticket reserved and corresponding datetime reserved values
+	 *
+	 * @param bool $update_ticket if true, will increment ticket and datetime reserved count
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function reserve_ticket($update_ticket = false, $source = 'unknown')
+	{
+		// only reserve ticket if space is not currently reserved
+		if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) !== true) {
+			$this->update_extra_meta('reserve_ticket', "{$this->ticket_ID()} from {$source}");
+			// IMPORTANT !!!
+			// although checking $update_ticket first would be more efficient,
+			// we NEED to ALWAYS call update_extra_meta(), which is why that is done first
+			if (
+				$this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true)
+				&& $update_ticket
+			) {
+				$ticket = $this->ticket();
+				$ticket->increaseReserved(1, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+				$ticket->save();
+			}
+		}
+	}
+
+
+	/**
+	 * stops tracking this registration's ticket reservation in extra meta
+	 * decrements (subtracts) related ticket reserved and corresponding datetime reserved values
+	 *
+	 * @param bool $update_ticket if true, will decrement ticket and datetime reserved count
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function release_reserved_ticket($update_ticket = false, $source = 'unknown')
+	{
+		// only release ticket if space is currently reserved
+		if ((bool) $this->get_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, true) === true) {
+			$this->update_extra_meta('release_reserved_ticket', "{$this->ticket_ID()} from {$source}");
+			// IMPORTANT !!!
+			// although checking $update_ticket first would be more efficient,
+			// we NEED to ALWAYS call update_extra_meta(), which is why that is done first
+			if (
+				$this->update_extra_meta(EE_Registration::HAS_RESERVED_TICKET_KEY, false)
+				&& $update_ticket
+			) {
+				$ticket = $this->ticket();
+				$ticket->decreaseReserved(1, true, "REG: {$this->ID()} (ln:" . __LINE__ . ')');
+			}
+		}
+	}
+
+
+	/**
+	 * Set Attendee ID
+	 *
+	 * @param        int $ATT_ID Attendee ID
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_attendee_id($ATT_ID = 0)
+	{
+		$this->set('ATT_ID', $ATT_ID);
+	}
+
+
+	/**
+	 *        Set Transaction ID
+	 *
+	 * @param        int $TXN_ID Transaction ID
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_transaction_id($TXN_ID = 0)
+	{
+		$this->set('TXN_ID', $TXN_ID);
+	}
+
+
+	/**
+	 *        Set Session
+	 *
+	 * @param    string $REG_session PHP Session ID
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_session($REG_session = '')
+	{
+		$this->set('REG_session', $REG_session);
+	}
+
+
+	/**
+	 *        Set Registration URL Link
+	 *
+	 * @param    string $REG_url_link Registration URL Link
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_reg_url_link($REG_url_link = '')
+	{
+		$this->set('REG_url_link', $REG_url_link);
+	}
+
+
+	/**
+	 *        Set Attendee Counter
+	 *
+	 * @param        int $REG_count Primary Attendee
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_count($REG_count = 1)
+	{
+		$this->set('REG_count', $REG_count);
+	}
+
+
+	/**
+	 *        Set Group Size
+	 *
+	 * @param        boolean $REG_group_size Group Registration
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_group_size($REG_group_size = false)
+	{
+		$this->set('REG_group_size', $REG_group_size);
+	}
+
+
+	/**
+	 *    is_not_approved -  convenience method that returns TRUE if REG status ID ==
+	 *    EEM_Registration::status_id_not_approved
+	 *
+	 * @return        boolean
+	 */
+	public function is_not_approved()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_not_approved ? true : false;
+	}
+
+
+	/**
+	 *    is_pending_payment -  convenience method that returns TRUE if REG status ID ==
+	 *    EEM_Registration::status_id_pending_payment
+	 *
+	 * @return        boolean
+	 */
+	public function is_pending_payment()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_pending_payment ? true : false;
+	}
+
+
+	/**
+	 *    is_approved -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_approved
+	 *
+	 * @return        boolean
+	 */
+	public function is_approved()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_approved ? true : false;
+	}
+
+
+	/**
+	 *    is_cancelled -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_cancelled
+	 *
+	 * @return        boolean
+	 */
+	public function is_cancelled()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_cancelled ? true : false;
+	}
+
+
+	/**
+	 *    is_declined -  convenience method that returns TRUE if REG status ID == EEM_Registration::status_id_declined
+	 *
+	 * @return        boolean
+	 */
+	public function is_declined()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_declined ? true : false;
+	}
+
+
+	/**
+	 *    is_incomplete -  convenience method that returns TRUE if REG status ID ==
+	 *    EEM_Registration::status_id_incomplete
+	 *
+	 * @return        boolean
+	 */
+	public function is_incomplete()
+	{
+		return $this->status_ID() == EEM_Registration::status_id_incomplete ? true : false;
+	}
+
+
+	/**
+	 *        Set Registration Date
+	 *
+	 * @param        mixed ( int or string ) $REG_date Registration Date - Unix timestamp or string representation of
+	 *                                                 Date
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_reg_date($REG_date = false)
+	{
+		$this->set('REG_date', $REG_date);
+	}
+
+
+	/**
+	 *    Set final price owing for this registration after all ticket/price modifications
+	 *
+	 * @access    public
+	 * @param    float $REG_final_price
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_final_price($REG_final_price = 0.00)
+	{
+		$this->set('REG_final_price', $REG_final_price);
+	}
+
+
+	/**
+	 *    Set amount paid towards this registration's final price
+	 *
+	 * @access    public
+	 * @param    float $REG_paid
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_paid($REG_paid = 0.00)
+	{
+		$this->set('REG_paid', $REG_paid);
+	}
+
+
+	/**
+	 *        Attendee Is Going
+	 *
+	 * @param        boolean $REG_att_is_going Attendee Is Going
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_att_is_going($REG_att_is_going = false)
+	{
+		$this->set('REG_att_is_going', $REG_att_is_going);
+	}
+
+
+	/**
+	 * Gets the related attendee
+	 *
+	 * @return EE_Attendee
+	 * @throws EE_Error
+	 */
+	public function attendee()
+	{
+		return $this->get_first_related('Attendee');
+	}
+
+	/**
+	 * Gets the name of the attendee.
+	 * @since 4.10.12.p
+	 * @param bool $apply_html_entities set to true if you want to use HTML entities.
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function attendeeName($apply_html_entities = false)
+	{
+		$attendee = $this->get_first_related('Attendee');
+		if ($attendee instanceof EE_Attendee) {
+			$attendee_name = $attendee->full_name($apply_html_entities);
+		} else {
+			$attendee_name = esc_html__('Unknown', 'event_espresso');
+		}
+		return $attendee_name;
+	}
+
+
+	/**
+	 *        get Event ID
+	 */
+	public function event_ID()
+	{
+		return $this->get('EVT_ID');
+	}
+
+
+	/**
+	 *        get Event ID
+	 */
+	public function event_name()
+	{
+		$event = $this->event_obj();
+		if ($event) {
+			return $event->name();
+		} else {
+			return null;
+		}
+	}
+
+
+	/**
+	 * Fetches the event this registration is for
+	 *
+	 * @return EE_Event
+	 * @throws EE_Error
+	 */
+	public function event_obj()
+	{
+		return $this->get_first_related('Event');
+	}
+
+
+	/**
+	 *        get Attendee ID
+	 */
+	public function attendee_ID()
+	{
+		return $this->get('ATT_ID');
+	}
+
+
+	/**
+	 *        get PHP Session ID
+	 */
+	public function session_ID()
+	{
+		return $this->get('REG_session');
+	}
+
+
+	/**
+	 * Gets the string which represents the URL trigger for the receipt template in the message template system.
+	 *
+	 * @param string $messenger 'pdf' or 'html'.  Default 'html'.
+	 * @return string
+	 */
+	public function receipt_url($messenger = 'html')
+	{
+
+		/**
+		 * The below will be deprecated one version after this.  We check first if there is a custom receipt template
+		 * already in use on old system.  If there is then we just return the standard url for it.
+		 *
+		 * @since 4.5.0
+		 */
+		$template_relative_path = 'modules/gateways/Invoice/lib/templates/receipt_body.template.php';
+		$has_custom = EEH_Template::locate_template(
+			$template_relative_path,
+			array(),
+			true,
+			true,
+			true
+		);
+
+		if ($has_custom) {
+			return add_query_arg(array('receipt' => 'true'), $this->invoice_url('launch'));
+		}
+		return apply_filters('FHEE__EE_Registration__receipt_url__receipt_url', '', $this, $messenger, 'receipt');
+	}
+
+
+	/**
+	 * Gets the string which represents the URL trigger for the invoice template in the message template system.
+	 *
+	 * @param string $messenger 'pdf' or 'html'.  Default 'html'.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function invoice_url($messenger = 'html')
+	{
+		/**
+		 * The below will be deprecated one version after this.  We check first if there is a custom invoice template
+		 * already in use on old system.  If there is then we just return the standard url for it.
+		 *
+		 * @since 4.5.0
+		 */
+		$template_relative_path = 'modules/gateways/Invoice/lib/templates/invoice_body.template.php';
+		$has_custom = EEH_Template::locate_template(
+			$template_relative_path,
+			array(),
+			true,
+			true,
+			true
+		);
+
+		if ($has_custom) {
+			if ($messenger == 'html') {
+				return $this->invoice_url('launch');
+			}
+			$route = $messenger == 'download' || $messenger == 'pdf' ? 'download_invoice' : 'launch_invoice';
+
+			$query_args = array('ee' => $route, 'id' => $this->reg_url_link());
+			if ($messenger == 'html') {
+				$query_args['html'] = true;
+			}
+			return add_query_arg($query_args, get_permalink(EE_Registry::instance()->CFG->core->thank_you_page_id));
+		}
+		return apply_filters('FHEE__EE_Registration__invoice_url__invoice_url', '', $this, $messenger, 'invoice');
+	}
+
+
+	/**
+	 * get Registration URL Link
+	 *
+	 * @access public
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function reg_url_link()
+	{
+		return (string) $this->get('REG_url_link');
+	}
+
+
+	/**
+	 * Echoes out invoice_url()
+	 *
+	 * @param string $type 'download','launch', or 'html' (default is 'launch')
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function e_invoice_url($type = 'launch')
+	{
+		echo esc_url_raw($this->invoice_url($type));
+	}
+
+
+	/**
+	 * Echoes out payment_overview_url
+	 */
+	public function e_payment_overview_url()
+	{
+		echo esc_url_raw($this->payment_overview_url());
+	}
+
+
+	/**
+	 * Gets the URL for the checkout payment options reg step
+	 * with this registration's REG_url_link added as a query parameter
+	 *
+	 * @param bool $clear_session Set to true when you want to clear the session on revisiting the
+	 *                            payment overview url.
+	 * @return string
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 */
+	public function payment_overview_url($clear_session = false)
+	{
+		return add_query_arg(
+			(array) apply_filters(
+				'FHEE__EE_Registration__payment_overview_url__query_args',
+				array(
+					'e_reg_url_link' => $this->reg_url_link(),
+					'step'           => 'payment_options',
+					'revisit'        => true,
+					'clear_session'  => (bool) $clear_session,
+				),
+				$this
+			),
+			EE_Registry::instance()->CFG->core->reg_page_url()
+		);
+	}
+
+
+	/**
+	 * Gets the URL for the checkout attendee information reg step
+	 * with this registration's REG_url_link added as a query parameter
+	 *
+	 * @return string
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 */
+	public function edit_attendee_information_url()
+	{
+		return add_query_arg(
+			(array) apply_filters(
+				'FHEE__EE_Registration__edit_attendee_information_url__query_args',
+				array(
+					'e_reg_url_link' => $this->reg_url_link(),
+					'step'           => 'attendee_information',
+					'revisit'        => true,
+				),
+				$this
+			),
+			EE_Registry::instance()->CFG->core->reg_page_url()
+		);
+	}
+
+
+	/**
+	 * Simply generates and returns the appropriate admin_url link to edit this registration
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_edit_url()
+	{
+		return EEH_URL::add_query_args_and_nonce(
+			array(
+				'page'    => 'espresso_registrations',
+				'action'  => 'view_registration',
+				'_REG_ID' => $this->ID(),
+			),
+			admin_url('admin.php')
+		);
+	}
+
+
+	/**
+	 *    is_primary_registrant?
+	 */
+	public function is_primary_registrant()
+	{
+		return $this->get('REG_count') === 1 ? true : false;
+	}
+
+
+	/**
+	 * This returns the primary registration object for this registration group (which may be this object).
+	 *
+	 * @return EE_Registration
+	 * @throws EE_Error
+	 */
+	public function get_primary_registration()
+	{
+		if ($this->is_primary_registrant()) {
+			return $this;
+		}
+
+		// k reg_count !== 1 so let's get the EE_Registration object matching this txn_id and reg_count == 1
+		/** @var EE_Registration $primary_registrant */
+		$primary_registrant = EEM_Registration::instance()->get_one(
+			array(
+				array(
+					'TXN_ID'    => $this->transaction_ID(),
+					'REG_count' => 1,
+				),
+			)
+		);
+		return $primary_registrant;
+	}
+
+
+	/**
+	 *        get  Attendee Number
+	 *
+	 * @access        public
+	 */
+	public function count()
+	{
+		return $this->get('REG_count');
+	}
+
+
+	/**
+	 *        get Group Size
+	 */
+	public function group_size()
+	{
+		return $this->get('REG_group_size');
+	}
+
+
+	/**
+	 *        get Registration Date
+	 */
+	public function date()
+	{
+		return $this->get('REG_date');
+	}
+
+
+	/**
+	 * gets a pretty date
+	 *
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function pretty_date($date_format = null, $time_format = null)
+	{
+		return $this->get_datetime('REG_date', $date_format, $time_format);
+	}
+
+
+	/**
+	 * final_price
+	 * the registration's share of the transaction total, so that the
+	 * sum of all the transaction's REG_final_prices equal the transaction's total
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 */
+	public function final_price()
+	{
+		return $this->get('REG_final_price');
+	}
+
+
+	/**
+	 * pretty_final_price
+	 *  final price as formatted string, with correct decimal places and currency symbol
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function pretty_final_price()
+	{
+		return $this->get_pretty('REG_final_price');
+	}
+
+
+	/**
+	 * get paid (yeah)
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 */
+	public function paid()
+	{
+		return $this->get('REG_paid');
+	}
+
+
+	/**
+	 * pretty_paid
+	 *
+	 * @return float
+	 * @throws EE_Error
+	 */
+	public function pretty_paid()
+	{
+		return $this->get_pretty('REG_paid');
+	}
+
+
+	/**
+	 * owes_monies_and_can_pay
+	 * whether or not this registration has monies owing and it's' status allows payment
+	 *
+	 * @param array $requires_payment
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function owes_monies_and_can_pay($requires_payment = array())
+	{
+		// these reg statuses require payment (if event is not free)
+		$requires_payment = ! empty($requires_payment)
+			? $requires_payment
+			: EEM_Registration::reg_statuses_that_allow_payment();
+		if (
+			in_array($this->status_ID(), $requires_payment) &&
+			$this->final_price() != 0 &&
+			$this->final_price() != $this->paid()
+		) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Prints out the return value of $this->pretty_status()
+	 *
+	 * @param bool $show_icons
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function e_pretty_status($show_icons = false)
+	{
+		echo wp_kses($this->pretty_status($show_icons), AllowedTags::getAllowedTags());
+	}
+
+
+	/**
+	 * Returns a nice version of the status for displaying to customers
+	 *
+	 * @param bool $show_icons
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function pretty_status($show_icons = false)
+	{
+		$status = EEM_Status::instance()->localized_status(
+			array($this->status_ID() => esc_html__('unknown', 'event_espresso')),
+			false,
+			'sentence'
+		);
+		$icon = '';
+		switch ($this->status_ID()) {
+			case EEM_Registration::status_id_approved:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-star-filled ee-icon-size-16 green-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_pending_payment:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-star-half ee-icon-size-16 orange-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_not_approved:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-marker ee-icon-size-16 orange-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_cancelled:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-no ee-icon-size-16 lt-grey-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_incomplete:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-no ee-icon-size-16 lt-orange-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_declined:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-no ee-icon-size-16 red-text"></span>'
+					: '';
+				break;
+			case EEM_Registration::status_id_wait_list:
+				$icon = $show_icons
+					? '<span class="dashicons dashicons-clipboard ee-icon-size-16 purple-text"></span>'
+					: '';
+				break;
+		}
+		return $icon . $status[ $this->status_ID() ];
+	}
+
+
+	/**
+	 *        get Attendee Is Going
+	 */
+	public function att_is_going()
+	{
+		return $this->get('REG_att_is_going');
+	}
+
+
+	/**
+	 * Gets related answers
+	 *
+	 * @param array $query_params @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+	 * @return EE_Answer[]
+	 * @throws EE_Error
+	 */
+	public function answers($query_params = null)
+	{
+		return $this->get_many_related('Answer', $query_params);
+	}
+
+
+	/**
+	 * Gets the registration's answer value to the specified question
+	 * (either the question's ID or a question object)
+	 *
+	 * @param EE_Question|int $question
+	 * @param bool            $pretty_value
+	 * @return array|string if pretty_value= true, the result will always be a string
+	 * (because the answer might be an array of answer values, so passing pretty_value=true
+	 * will convert it into some kind of string)
+	 * @throws EE_Error
+	 */
+	public function answer_value_to_question($question, $pretty_value = true)
+	{
+		$question_id = EEM_Question::instance()->ensure_is_ID($question);
+		return EEM_Answer::instance()->get_answer_value_to_question($this, $question_id, $pretty_value);
+	}
+
+
+	/**
+	 * question_groups
+	 * returns an array of EE_Question_Group objects for this registration
+	 *
+	 * @return EE_Question_Group[]
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function question_groups()
+	{
+		return EEM_Event::instance()->get_question_groups_for_event($this->event_ID(), $this);
+	}
+
+
+	/**
+	 * count_question_groups
+	 * returns a count of the number of EE_Question_Group objects for this registration
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function count_question_groups()
+	{
+		return EEM_Event::instance()->count_related(
+			$this->event_ID(),
+			'Question_Group',
+			[
+				[
+					'Event_Question_Group.'
+					. EEM_Event_Question_Group::instance()->fieldNameForContext($this->is_primary_registrant()) => true,
+				]
+			]
+		);
+	}
+
+
+	/**
+	 * Returns the registration date in the 'standard' string format
+	 * (function may be improved in the future to allow for different formats and timezones)
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function reg_date()
+	{
+		return $this->get_datetime('REG_date');
+	}
+
+
+	/**
+	 * Gets the datetime-ticket for this registration (ie, it can be used to isolate
+	 * the ticket this registration purchased, or the datetime they have registered
+	 * to attend)
+	 *
+	 * @return EE_Datetime_Ticket
+	 * @throws EE_Error
+	 */
+	public function datetime_ticket()
+	{
+		return $this->get_first_related('Datetime_Ticket');
+	}
+
+
+	/**
+	 * Sets the registration's datetime_ticket.
+	 *
+	 * @param EE_Datetime_Ticket $datetime_ticket
+	 * @return EE_Datetime_Ticket
+	 * @throws EE_Error
+	 */
+	public function set_datetime_ticket($datetime_ticket)
+	{
+		return $this->_add_relation_to($datetime_ticket, 'Datetime_Ticket');
+	}
+
+	/**
+	 * Gets deleted
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function deleted()
+	{
+		return $this->get('REG_deleted');
+	}
+
+	/**
+	 * Sets deleted
+	 *
+	 * @param boolean $deleted
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_deleted($deleted)
+	{
+		if ($deleted) {
+			$this->delete();
+		} else {
+			$this->restore();
+		}
+	}
+
+
+	/**
+	 * Get the status object of this object
+	 *
+	 * @return EE_Status
+	 * @throws EE_Error
+	 */
+	public function status_obj()
+	{
+		return $this->get_first_related('Status');
+	}
+
+
+	/**
+	 * Returns the number of times this registration has checked into any of the datetimes
+	 * its available for
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function count_checkins()
+	{
+		return $this->get_model()->count_related($this, 'Checkin');
+	}
+
+
+	/**
+	 * Returns the number of current Check-ins this registration is checked into for any of the datetimes the
+	 * registration is for.  Note, this is ONLY checked in (does not include checkedout)
+	 *
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function count_checkins_not_checkedout()
+	{
+		return $this->get_model()->count_related($this, 'Checkin', array(array('CHK_in' => 1)));
+	}
+
+
+	/**
+	 * The purpose of this method is simply to check whether this registration can checkin to the given datetime.
+	 *
+	 * @param int | EE_Datetime $DTT_OR_ID      The datetime the registration is being checked against
+	 * @param bool              $check_approved This is used to indicate whether the caller wants can_checkin to also
+	 *                                          consider registration status as well as datetime access.
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function can_checkin($DTT_OR_ID, $check_approved = true)
+	{
+		$DTT_ID = EEM_Datetime::instance()->ensure_is_ID($DTT_OR_ID);
+
+		// first check registration status
+		if (($check_approved && ! $this->is_approved()) || ! $DTT_ID) {
+			return false;
+		}
+		// is there a datetime ticket that matches this dtt_ID?
+		if (
+			! (EEM_Datetime_Ticket::instance()->exists(
+				array(
+				array(
+					'TKT_ID' => $this->get('TKT_ID'),
+					'DTT_ID' => $DTT_ID,
+				),
+				)
+			))
+		) {
+			return false;
+		}
+
+		// final check is against TKT_uses
+		return $this->verify_can_checkin_against_TKT_uses($DTT_ID);
+	}
+
+
+	/**
+	 * This method verifies whether the user can checkin for the given datetime considering the max uses value set on
+	 * the ticket. To do this,  a query is done to get the count of the datetime records already checked into.  If the
+	 * datetime given does not have a check-in record and checking in for that datetime will exceed the allowed uses,
+	 * then return false.  Otherwise return true.
+	 *
+	 * @param int | EE_Datetime $DTT_OR_ID The datetime the registration is being checked against
+	 * @return bool true means can checkin.  false means cannot checkin.
+	 * @throws EE_Error
+	 */
+	public function verify_can_checkin_against_TKT_uses($DTT_OR_ID)
+	{
+		$DTT_ID = EEM_Datetime::instance()->ensure_is_ID($DTT_OR_ID);
+
+		if (! $DTT_ID) {
+			return false;
+		}
+
+		$max_uses = $this->ticket() instanceof EE_Ticket ? $this->ticket()->uses() : EE_INF;
+
+		// if max uses is not set or equals infinity then return true cause its not a factor for whether user can
+		// check-in or not.
+		if (! $max_uses || $max_uses === EE_INF) {
+			return true;
+		}
+
+		// does this datetime have a checkin record?  If so, then the dtt count has already been verified so we can just
+		// go ahead and toggle.
+		if (EEM_Checkin::instance()->exists(array(array('REG_ID' => $this->ID(), 'DTT_ID' => $DTT_ID)))) {
+			return true;
+		}
+
+		// made it here so the last check is whether the number of checkins per unique datetime on this registration
+		// disallows further check-ins.
+		$count_unique_dtt_checkins = EEM_Checkin::instance()->count(
+			array(
+				array(
+					'REG_ID' => $this->ID(),
+					'CHK_in' => true,
+				),
+			),
+			'DTT_ID',
+			true
+		);
+		// checkins have already reached their max number of uses
+		// so registrant can NOT checkin
+		if ($count_unique_dtt_checkins >= $max_uses) {
+			EE_Error::add_error(
+				esc_html__(
+					'Check-in denied because number of datetime uses for the ticket has been reached or exceeded.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * toggle Check-in status for this registration
+	 * Check-ins are toggled in the following order:
+	 * never checked in -> checked in
+	 * checked in -> checked out
+	 * checked out -> checked in
+	 *
+	 * @param  int $DTT_ID  include specific datetime to toggle Check-in for.
+	 *                      If not included or null, then it is assumed latest datetime is being toggled.
+	 * @param bool $verify  If true then can_checkin() is used to verify whether the person
+	 *                      can be checked in or not.  Otherwise this forces change in checkin status.
+	 * @return bool|int     the chk_in status toggled to OR false if nothing got changed.
+	 * @throws EE_Error
+	 */
+	public function toggle_checkin_status($DTT_ID = null, $verify = false)
+	{
+		if (empty($DTT_ID)) {
+			$datetime = $this->get_latest_related_datetime();
+			$DTT_ID = $datetime instanceof EE_Datetime ? $datetime->ID() : 0;
+			// verify the registration can checkin for the given DTT_ID
+		} elseif (! $this->can_checkin($DTT_ID, $verify)) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'The given registration (ID:%1$d) can not be checked in to the given DTT_ID (%2$d), because the registration does not have access',
+						'event_espresso'
+					),
+					$this->ID(),
+					$DTT_ID
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		$status_paths = array(
+			EE_Checkin::status_checked_never => EE_Checkin::status_checked_in,
+			EE_Checkin::status_checked_in    => EE_Checkin::status_checked_out,
+			EE_Checkin::status_checked_out   => EE_Checkin::status_checked_in,
+		);
+		// start by getting the current status so we know what status we'll be changing to.
+		$cur_status = $this->check_in_status_for_datetime($DTT_ID, null);
+		$status_to = $status_paths[ $cur_status ];
+		// database only records true for checked IN or false for checked OUT
+		// no record ( null ) means checked in NEVER, but we obviously don't save that
+		$new_status = $status_to === EE_Checkin::status_checked_in ? true : false;
+		// add relation - note Check-ins are always creating new rows
+		// because we are keeping track of Check-ins over time.
+		// Eventually we'll probably want to show a list table
+		// for the individual Check-ins so that they can be managed.
+		$checkin = EE_Checkin::new_instance(
+			array(
+				'REG_ID' => $this->ID(),
+				'DTT_ID' => $DTT_ID,
+				'CHK_in' => $new_status,
+			)
+		);
+		// if the record could not be saved then return false
+		if ($checkin->save() === 0) {
+			if (WP_DEBUG) {
+				global $wpdb;
+				$error = sprintf(
+					esc_html__(
+						'Registration check in update failed because of the following database error: %1$s%2$s',
+						'event_espresso'
+					),
+					'<br />',
+					$wpdb->last_error
+				);
+			} else {
+				$error = esc_html__(
+					'Registration check in update failed because of an unknown database error',
+					'event_espresso'
+				);
+			}
+			EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		// Fire a checked_in and checkout_out action.
+		$checked_status = $status_to === EE_Checkin::status_checked_in ? 'checked_in' : 'checked_out';
+		do_action("AHEE__EE_Registration__toggle_checkin_status__{$checked_status}", $this, $DTT_ID);
+		return $status_to;
+	}
+
+
+	/**
+	 * Returns the latest datetime related to this registration (via the ticket attached to the registration).
+	 * "Latest" is defined by the `DTT_EVT_start` column.
+	 *
+	 * @return EE_Datetime|null
+	 * @throws EE_Error
+	 */
+	public function get_latest_related_datetime()
+	{
+		return EEM_Datetime::instance()->get_one(
+			array(
+				array(
+					'Ticket.Registration.REG_ID' => $this->ID(),
+				),
+				'order_by' => array('DTT_EVT_start' => 'DESC'),
+			)
+		);
+	}
+
+
+	/**
+	 * Returns the earliest datetime related to this registration (via the ticket attached to the registration).
+	 * "Earliest" is defined by the `DTT_EVT_start` column.
+	 *
+	 * @throws EE_Error
+	 */
+	public function get_earliest_related_datetime()
+	{
+		return EEM_Datetime::instance()->get_one(
+			array(
+				array(
+					'Ticket.Registration.REG_ID' => $this->ID(),
+				),
+				'order_by' => array('DTT_EVT_start' => 'ASC'),
+			)
+		);
+	}
+
+
+	/**
+	 * This method simply returns the check-in status for this registration and the given datetime.
+	 * If neither the datetime nor the checkin values are provided as arguments,
+	 * then this will return the LATEST check-in status for the registration across all datetimes it belongs to.
+	 *
+	 * @param  int       $DTT_ID  The ID of the datetime we're checking against
+	 *                            (if empty we'll get the primary datetime for
+	 *                            this registration (via event) and use it's ID);
+	 * @param EE_Checkin $checkin If present, we use the given checkin object rather than the dtt_id.
+	 *
+	 * @return int                Integer representing Check-in status.
+	 * @throws EE_Error
+	 */
+	public function check_in_status_for_datetime($DTT_ID = 0, $checkin = null)
+	{
+		$checkin_query_params = array(
+			'order_by' => array('CHK_timestamp' => 'DESC'),
+		);
+
+		if ($DTT_ID > 0) {
+			$checkin_query_params[0] = array('DTT_ID' => $DTT_ID);
+		}
+
+		// get checkin object (if exists)
+		$checkin = $checkin instanceof EE_Checkin
+			? $checkin
+			: $this->get_first_related('Checkin', $checkin_query_params);
+		if ($checkin instanceof EE_Checkin) {
+			if ($checkin->get('CHK_in')) {
+				return EE_Checkin::status_checked_in; // checked in
+			}
+			return EE_Checkin::status_checked_out; // had checked in but is now checked out.
+		}
+		return EE_Checkin::status_checked_never; // never been checked in
+	}
+
+
+	/**
+	 * This method returns a localized message for the toggled Check-in message.
+	 *
+	 * @param  int $DTT_ID include specific datetime to get the correct Check-in message.  If not included or null,
+	 *                     then it is assumed Check-in for primary datetime was toggled.
+	 * @param bool $error  This just flags that you want an error message returned. This is put in so that the error
+	 *                     message can be customized with the attendee name.
+	 * @return string internationalized message
+	 * @throws EE_Error
+	 */
+	public function get_checkin_msg($DTT_ID, $error = false)
+	{
+		// let's get the attendee first so we can include the name of the attendee
+		$attendee = $this->get_first_related('Attendee');
+		if ($attendee instanceof EE_Attendee) {
+			if ($error) {
+				return sprintf(esc_html__("%s's check-in status was not changed.", "event_espresso"), $attendee->full_name());
+			}
+			$cur_status = $this->check_in_status_for_datetime($DTT_ID);
+			// what is the status message going to be?
+			switch ($cur_status) {
+				case EE_Checkin::status_checked_never:
+					return sprintf(
+						esc_html__("%s has been removed from Check-in records", "event_espresso"),
+						$attendee->full_name()
+					);
+					break;
+				case EE_Checkin::status_checked_in:
+					return sprintf(esc_html__('%s has been checked in', 'event_espresso'), $attendee->full_name());
+					break;
+				case EE_Checkin::status_checked_out:
+					return sprintf(esc_html__('%s has been checked out', 'event_espresso'), $attendee->full_name());
+					break;
+			}
+		}
+		return esc_html__("The check-in status could not be determined.", "event_espresso");
+	}
+
+
+	/**
+	 * Returns the related EE_Transaction to this registration
+	 *
+	 * @return EE_Transaction
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 */
+	public function transaction()
+	{
+		$transaction = $this->get_first_related('Transaction');
+		if (! $transaction instanceof \EE_Transaction) {
+			throw new EntityNotFoundException('Transaction ID', $this->transaction_ID());
+		}
+		return $transaction;
+	}
+
+
+	/**
+	 *        get Registration Code
+	 */
+	public function reg_code()
+	{
+		return $this->get('REG_code');
+	}
+
+
+	/**
+	 *        get Transaction ID
+	 */
+	public function transaction_ID()
+	{
+		return $this->get('TXN_ID');
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function ticket_ID()
+	{
+		return $this->get('TKT_ID');
+	}
+
+
+	/**
+	 *        Set Registration Code
+	 *
+	 * @access    public
+	 * @param    string  $REG_code Registration Code
+	 * @param    boolean $use_default
+	 * @throws EE_Error
+	 */
+	public function set_reg_code($REG_code, $use_default = false)
+	{
+		if (empty($REG_code)) {
+			EE_Error::add_error(
+				esc_html__('REG_code can not be empty.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return;
+		}
+		if (! $this->reg_code()) {
+			parent::set('REG_code', $REG_code, $use_default);
+		} else {
+			EE_Error::doing_it_wrong(
+				__CLASS__ . '::' . __FUNCTION__,
+				esc_html__('Can not change a registration REG_code once it has been set.', 'event_espresso'),
+				'4.6.0'
+			);
+		}
+	}
+
+
+	/**
+	 * Returns all other registrations in the same group as this registrant who have the same ticket option.
+	 * Note, if you want to just get all registrations in the same transaction (group), use:
+	 *    $registration->transaction()->registrations();
+	 *
+	 * @since 4.5.0
+	 * @return EE_Registration[] or empty array if this isn't a group registration.
+	 * @throws EE_Error
+	 */
+	public function get_all_other_registrations_in_group()
+	{
+		if ($this->group_size() < 2) {
+			return array();
+		}
+
+		$query[0] = array(
+			'TXN_ID' => $this->transaction_ID(),
+			'REG_ID' => array('!=', $this->ID()),
+			'TKT_ID' => $this->ticket_ID(),
+		);
+		/** @var EE_Registration[] $registrations */
+		$registrations = $this->get_model()->get_all($query);
+		return $registrations;
+	}
+
+	/**
+	 * Return the link to the admin details for the object.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_details_link()
+	{
+		EE_Registry::instance()->load_helper('URL');
+		return EEH_URL::add_query_args_and_nonce(
+			array(
+				'page'    => 'espresso_registrations',
+				'action'  => 'view_registration',
+				'_REG_ID' => $this->ID(),
+			),
+			admin_url('admin.php')
+		);
+	}
+
+	/**
+	 * Returns the link to the editor for the object.  Sometimes this is the same as the details.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_edit_link()
+	{
+		return $this->get_admin_details_link();
+	}
+
+	/**
+	 * Returns the link to a settings page for the object.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_settings_link()
+	{
+		return $this->get_admin_details_link();
+	}
+
+	/**
+	 * Returns the link to the "overview" for the object (typically the "list table" view).
+	 *
+	 * @return string
+	 */
+	public function get_admin_overview_link()
+	{
+		EE_Registry::instance()->load_helper('URL');
+		return EEH_URL::add_query_args_and_nonce(
+			array(
+				'page' => 'espresso_registrations',
+			),
+			admin_url('admin.php')
+		);
+	}
+
+
+	/**
+	 * @param array $query_params
+	 *
+	 * @return \EE_Registration[]
+	 * @throws EE_Error
+	 */
+	public function payments($query_params = array())
+	{
+		return $this->get_many_related('Payment', $query_params);
+	}
+
+
+	/**
+	 * @param array $query_params
+	 *
+	 * @return \EE_Registration_Payment[]
+	 * @throws EE_Error
+	 */
+	public function registration_payments($query_params = array())
+	{
+		return $this->get_many_related('Registration_Payment', $query_params);
+	}
+
+
+	/**
+	 * This grabs the payment method corresponding to the last payment made for the amount owing on the registration.
+	 * Note: if there are no payments on the registration there will be no payment method returned.
+	 *
+	 * @return EE_Payment_Method|null
+	 */
+	public function payment_method()
+	{
+		return EEM_Payment_Method::instance()->get_last_used_for_registration($this);
+	}
+
+
+	/**
+	 * @return \EE_Line_Item
+	 * @throws EntityNotFoundException
+	 * @throws EE_Error
+	 */
+	public function ticket_line_item()
+	{
+		$ticket = $this->ticket();
+		$transaction = $this->transaction();
+		$line_item = null;
+		$ticket_line_items = \EEH_Line_Item::get_line_items_by_object_type_and_IDs(
+			$transaction->total_line_item(),
+			'Ticket',
+			array($ticket->ID())
+		);
+		foreach ($ticket_line_items as $ticket_line_item) {
+			if (
+				$ticket_line_item instanceof \EE_Line_Item
+				&& $ticket_line_item->OBJ_type() === 'Ticket'
+				&& $ticket_line_item->OBJ_ID() === $ticket->ID()
+			) {
+				$line_item = $ticket_line_item;
+				break;
+			}
+		}
+		if (! ($line_item instanceof \EE_Line_Item && $line_item->OBJ_type() === 'Ticket')) {
+			throw new EntityNotFoundException('Line Item Ticket ID', $ticket->ID());
+		}
+		return $line_item;
+	}
+
+
+	/**
+	 * Soft Deletes this model object.
+	 *
+	 * @return boolean | int
+	 * @throws RuntimeException
+	 * @throws EE_Error
+	 */
+	public function delete()
+	{
+		if ($this->update_extra_meta(EE_Registration::PRE_TRASH_REG_STATUS_KEY, $this->status_ID()) === true) {
+			$this->set_status(EEM_Registration::status_id_cancelled);
+		}
+		return parent::delete();
+	}
+
+
+	/**
+	 * Restores whatever the previous status was on a registration before it was trashed (if possible)
+	 *
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function restore()
+	{
+		$previous_status = $this->get_extra_meta(
+			EE_Registration::PRE_TRASH_REG_STATUS_KEY,
+			true,
+			EEM_Registration::status_id_cancelled
+		);
+		if ($previous_status) {
+			$this->delete_extra_meta(EE_Registration::PRE_TRASH_REG_STATUS_KEY);
+			$this->set_status($previous_status);
+		}
+		return parent::restore();
+	}
+
+
+	/**
+	 * possibly toggle Registration status based on comparison of REG_paid vs REG_final_price
+	 *
+	 * @param  boolean $trigger_set_status_logic EE_Registration::set_status() can trigger additional logic
+	 *                                           depending on whether the reg status changes to or from "Approved"
+	 * @return boolean whether the Registration status was updated
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function updateStatusBasedOnTotalPaid($trigger_set_status_logic = true)
+	{
+		$paid = $this->paid();
+		$price = $this->final_price();
+		switch (true) {
+			// overpaid or paid
+			case EEH_Money::compare_floats($paid, $price, '>'):
+			case EEH_Money::compare_floats($paid, $price):
+				$new_status = EEM_Registration::status_id_approved;
+				break;
+			//  underpaid
+			case EEH_Money::compare_floats($paid, $price, '<'):
+				$new_status = EEM_Registration::status_id_pending_payment;
+				break;
+			// uhhh Houston...
+			default:
+				throw new RuntimeException(
+					esc_html__('The total paid calculation for this registration is inaccurate.', 'event_espresso')
+				);
+		}
+		if ($new_status !== $this->status_ID()) {
+			if ($trigger_set_status_logic) {
+				return $this->set_status($new_status);
+			}
+			parent::set('STS_ID', $new_status);
+			return true;
+		}
+		return false;
+	}
+
+
+	/*************************** DEPRECATED ***************************/
+
+
+	/**
+	 * @deprecated
+	 * @since     4.7.0
+	 * @access    public
+	 */
+	public function price_paid()
+	{
+		EE_Error::doing_it_wrong(
+			'EE_Registration::price_paid()',
+			esc_html__(
+				'This method is deprecated, please use EE_Registration::final_price() instead.',
+				'event_espresso'
+			),
+			'4.7.0'
+		);
+		return $this->final_price();
+	}
+
+
+	/**
+	 * @deprecated
+	 * @since     4.7.0
+	 * @access    public
+	 * @param    float $REG_final_price
+	 * @throws EE_Error
+	 * @throws RuntimeException
+	 */
+	public function set_price_paid($REG_final_price = 0.00)
+	{
+		EE_Error::doing_it_wrong(
+			'EE_Registration::set_price_paid()',
+			esc_html__(
+				'This method is deprecated, please use EE_Registration::set_final_price() instead.',
+				'event_espresso'
+			),
+			'4.7.0'
+		);
+		$this->set_final_price($REG_final_price);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @since 4.7.0
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function pretty_price_paid()
+	{
+		EE_Error::doing_it_wrong(
+			'EE_Registration::pretty_price_paid()',
+			esc_html__(
+				'This method is deprecated, please use EE_Registration::pretty_final_price() instead.',
+				'event_espresso'
+			),
+			'4.7.0'
+		);
+		return $this->pretty_final_price();
+	}
+
+
+	/**
+	 * Gets the primary datetime related to this registration via the related Event to this registration
+	 *
+	 * @deprecated 4.9.17
+	 * @return EE_Datetime
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 */
+	public function get_related_primary_datetime()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__(
+				'Use EE_Registration::get_latest_related_datetime() or EE_Registration::get_earliest_related_datetime()',
+				'event_espresso'
+			),
+			'4.9.17',
+			'5.0.0'
+		);
+		return $this->event()->primary_datetime();
+	}
+
+	/**
+	 * Returns the contact's name (or "Unknown" if there is no contact.)
+	 * @since 4.10.12.p
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function name()
+	{
+		return $this->attendeeName();
+	}
 }