eventespresso / event-espresso-core

core/services/notices/NoticesContainer.php

Indentation +105 added lines, -105 removed lines

@@ -18,151 +18,151 @@
 {
 
 
-    /**
-     * @var NoticeInterface[] $attention
-     */
-    private $attention = array();
+	/**
+	 * @var NoticeInterface[] $attention
+	 */
+	private $attention = array();
 
 
-    /**
-     * @var NoticeInterface[] $error
-     */
-    private $error = array();
+	/**
+	 * @var NoticeInterface[] $error
+	 */
+	private $error = array();
 
 
-    /**
-     * @var NoticeInterface[] $success
-     */
-    private $success = array();
+	/**
+	 * @var NoticeInterface[] $success
+	 */
+	private $success = array();
 
 
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addAttention($notice, $file = '', $func = '', $line = '')
-    {
-        $this->attention[] = new Notice(Notice::ATTENTION, $notice, $file, $func, $line);
-    }
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addAttention($notice, $file = '', $func = '', $line = '')
+	{
+		$this->attention[] = new Notice(Notice::ATTENTION, $notice, $file, $func, $line);
+	}
 
 
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addError($notice, $file, $func, $line)
-    {
-        $this->error[] = new Notice(Notice::ERROR, $notice, $file, $func, $line);
-    }
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addError($notice, $file, $func, $line)
+	{
+		$this->error[] = new Notice(Notice::ERROR, $notice, $file, $func, $line);
+	}
 
 
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addSuccess($notice, $file = '', $func = '', $line = '')
-    {
-        $this->success[] = new Notice(Notice::SUCCESS, $notice, $file, $func, $line);
-    }
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addSuccess($notice, $file = '', $func = '', $line = '')
+	{
+		$this->success[] = new Notice(Notice::SUCCESS, $notice, $file, $func, $line);
+	}
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasAttention()
-    {
-        return ! empty($this->attention);
-    }
+	/**
+	 * @return boolean
+	 */
+	public function hasAttention()
+	{
+		return ! empty($this->attention);
+	}
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasError()
-    {
-        return ! empty($this->error);
-    }
+	/**
+	 * @return boolean
+	 */
+	public function hasError()
+	{
+		return ! empty($this->error);
+	}
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasSuccess()
-    {
-        return ! empty($this->success);
-    }
+	/**
+	 * @return boolean
+	 */
+	public function hasSuccess()
+	{
+		return ! empty($this->success);
+	}
 
 
 
-    /**
-     * @return int
-     */
-    public function countAttention()
-    {
-        return count($this->attention);
-    }
+	/**
+	 * @return int
+	 */
+	public function countAttention()
+	{
+		return count($this->attention);
+	}
 
 
 
-    /**
-     * @return int
-     */
-    public function countError()
-    {
-        return count($this->error);
-    }
+	/**
+	 * @return int
+	 */
+	public function countError()
+	{
+		return count($this->error);
+	}
 
 
 
-    /**
-     * @return int
-     */
-    public function countSuccess()
-    {
-        return count($this->success);
-    }
+	/**
+	 * @return int
+	 */
+	public function countSuccess()
+	{
+		return count($this->success);
+	}
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getAttention()
-    {
-        return $this->attention;
-    }
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getAttention()
+	{
+		return $this->attention;
+	}
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getError()
-    {
-        return $this->error;
-    }
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getError()
+	{
+		return $this->error;
+	}
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getSuccess()
-    {
-        return $this->success;
-    }
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getSuccess()
+	{
+		return $this->success;
+	}
 
 
 }

core/services/notices/Notice.php

Indentation +75 added lines, -75 removed lines

@@ -17,108 +17,108 @@
 class Notice implements NoticeInterface
 {
 
-    const ERROR = 'error';
-    const ATTENTION = 'attention';
-    const SUCCESS = 'success';
+	const ERROR = 'error';
+	const ATTENTION = 'attention';
+	const SUCCESS = 'success';
 
-    /**
-     * @var string $type
-     */
-    private $type;
+	/**
+	 * @var string $type
+	 */
+	private $type;
 
 
-    /**
-     * @var string $message
-     */
-    private $message;
+	/**
+	 * @var string $message
+	 */
+	private $message;
 
 
-    /**
-     * @var string $file
-     */
-    private $file;
+	/**
+	 * @var string $file
+	 */
+	private $file;
 
 
-    /**
-     * @var string $func
-     */
-    private $func;
+	/**
+	 * @var string $func
+	 */
+	private $func;
 
 
-    /**
-     * @var string $line
-     */
-    private $line;
+	/**
+	 * @var string $line
+	 */
+	private $line;
 
 
 
-    /**
-     * Notice constructor.
-     *
-     * @param string $type
-     * @param string $message
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function __construct($type, $message, $file, $func, $line)
-    {
-        $this->type = $type;
-        $this->message = $message;
-        $this->file = $file;
-        $this->func = $func;
-        $this->line = $line;
-    }
+	/**
+	 * Notice constructor.
+	 *
+	 * @param string $type
+	 * @param string $message
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function __construct($type, $message, $file, $func, $line)
+	{
+		$this->type = $type;
+		$this->message = $message;
+		$this->file = $file;
+		$this->func = $func;
+		$this->line = $line;
+	}
 
 
 
-    /**
-     * @return string
-     */
-    public function type()
-    {
-        return $this->type;
-    }
+	/**
+	 * @return string
+	 */
+	public function type()
+	{
+		return $this->type;
+	}
 
 
 
-    /**
-     * @return string
-     */
-    public function message()
-    {
-        return $this->message;
-    }
+	/**
+	 * @return string
+	 */
+	public function message()
+	{
+		return $this->message;
+	}
 
 
 
-    /**
-     * @return string
-     */
-    public function file()
-    {
-        return $this->file;
-    }
+	/**
+	 * @return string
+	 */
+	public function file()
+	{
+		return $this->file;
+	}
 
 
 
-    /**
-     * @return string
-     */
-    public function func()
-    {
-        return $this->func;
-    }
+	/**
+	 * @return string
+	 */
+	public function func()
+	{
+		return $this->func;
+	}
 
 
 
-    /**
-     * @return string
-     */
-    public function line()
-    {
-        return $this->line;
-    }
+	/**
+	 * @return string
+	 */
+	public function line()
+	{
+		return $this->line;
+	}
 
 
 

core/services/notices/NoticesContainerInterface.php

Indentation +57 added lines, -57 removed lines

@@ -16,94 +16,94 @@
 interface NoticesContainerInterface
 {
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addAttention($notice, $file = '', $func = '', $line = '');
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addAttention($notice, $file = '', $func = '', $line = '');
 
 
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addError($notice, $file, $func, $line);
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addError($notice, $file, $func, $line);
 
 
 
-    /**
-     * @param string $notice
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     */
-    public function addSuccess($notice, $file = '', $func = '', $line = '');
+	/**
+	 * @param string $notice
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 */
+	public function addSuccess($notice, $file = '', $func = '', $line = '');
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasAttention();
+	/**
+	 * @return boolean
+	 */
+	public function hasAttention();
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasError();
+	/**
+	 * @return boolean
+	 */
+	public function hasError();
 
 
 
-    /**
-     * @return boolean
-     */
-    public function hasSuccess();
+	/**
+	 * @return boolean
+	 */
+	public function hasSuccess();
 
 
 
-    /**
-     * @return int
-     */
-    public function countAttention();
+	/**
+	 * @return int
+	 */
+	public function countAttention();
 
 
 
-    /**
-     * @return int
-     */
-    public function countError();
+	/**
+	 * @return int
+	 */
+	public function countError();
 
 
 
-    /**
-     * @return int
-     */
-    public function countSuccess();
+	/**
+	 * @return int
+	 */
+	public function countSuccess();
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getAttention();
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getAttention();
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getError();
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getError();
 
 
 
-    /**
-     * @return NoticeInterface[]
-     */
-    public function getSuccess();
+	/**
+	 * @return NoticeInterface[]
+	 */
+	public function getSuccess();
 }
\ No newline at end of file

core/services/notices/NoticeInterface.php

Indentation +20 added lines, -20 removed lines

@@ -17,36 +17,36 @@
 interface NoticeInterface
 {
 
-    /**
-     * @return string
-     */
-    public function type();
+	/**
+	 * @return string
+	 */
+	public function type();
 
 
 
-    /**
-     * @return string
-     */
-    public function message();
+	/**
+	 * @return string
+	 */
+	public function message();
 
 
 
-    /**
-     * @return string
-     */
-    public function file();
+	/**
+	 * @return string
+	 */
+	public function file();
 
 
 
-    /**
-     * @return string
-     */
-    public function func();
+	/**
+	 * @return string
+	 */
+	public function func();
 
 
 
-    /**
-     * @return string
-     */
-    public function line();
+	/**
+	 * @return string
+	 */
+	public function line();
 }
\ No newline at end of file

core/services/notices/ConvertNoticesToEeErrors.php

Spacing +1 added lines, -1 removed lines

@@ -43,7 +43,7 @@
             $error_string = esc_html__('The following errors occurred:', 'event_espresso');
             foreach ($notices->getError() as $notice) {
                 if ($this->getThrowExceptions()) {
-                    $error_string .= '<br />' . $notice->message();
+                    $error_string .= '<br />'.$notice->message();
                 } else {
                     EE_Error::add_error(
                         $notice->message(),

Indentation +50 added lines, -50 removed lines

@@ -19,56 +19,56 @@
 class ConvertNoticesToEeErrors extends NoticeConverter
 {
 
-    /**
-     * Converts Notice objects into EE_Error notifications
-     *
-     * @param NoticesContainerInterface $notices
-     * @throws EE_Error
-     */
-    public function process(NoticesContainerInterface $notices)
-    {
-        $this->setNotices($notices);
-        $notices = $this->getNotices();
-        if ($notices->hasAttention()) {
-            foreach ($notices->getAttention() as $notice) {
-                EE_Error::add_attention(
-                    $notice->message(),
-                    $notice->file(),
-                    $notice->func(),
-                    $notice->line()
-                );
-            }
-        }
-        if ($notices->hasError()) {
-            $error_string = esc_html__('The following errors occurred:', 'event_espresso');
-            foreach ($notices->getError() as $notice) {
-                if ($this->getThrowExceptions()) {
-                    $error_string .= '<br />' . $notice->message();
-                } else {
-                    EE_Error::add_error(
-                        $notice->message(),
-                        $notice->file(),
-                        $notice->func(),
-                        $notice->line()
-                    );
-                }
-            }
-            if ($this->getThrowExceptions()) {
-                throw new EE_Error($error_string);
-            }
-        }
-        if ($notices->hasSuccess()) {
-            foreach ($notices->getSuccess() as $notice) {
-                EE_Error::add_success(
-                    $notice->message(),
-                    $notice->file(),
-                    $notice->func(),
-                    $notice->line()
-                );
-            }
-        }
-        $this->clearNotices();
-    }
+	/**
+	 * Converts Notice objects into EE_Error notifications
+	 *
+	 * @param NoticesContainerInterface $notices
+	 * @throws EE_Error
+	 */
+	public function process(NoticesContainerInterface $notices)
+	{
+		$this->setNotices($notices);
+		$notices = $this->getNotices();
+		if ($notices->hasAttention()) {
+			foreach ($notices->getAttention() as $notice) {
+				EE_Error::add_attention(
+					$notice->message(),
+					$notice->file(),
+					$notice->func(),
+					$notice->line()
+				);
+			}
+		}
+		if ($notices->hasError()) {
+			$error_string = esc_html__('The following errors occurred:', 'event_espresso');
+			foreach ($notices->getError() as $notice) {
+				if ($this->getThrowExceptions()) {
+					$error_string .= '<br />' . $notice->message();
+				} else {
+					EE_Error::add_error(
+						$notice->message(),
+						$notice->file(),
+						$notice->func(),
+						$notice->line()
+					);
+				}
+			}
+			if ($this->getThrowExceptions()) {
+				throw new EE_Error($error_string);
+			}
+		}
+		if ($notices->hasSuccess()) {
+			foreach ($notices->getSuccess() as $notice) {
+				EE_Error::add_success(
+					$notice->message(),
+					$notice->file(),
+					$notice->func(),
+					$notice->line()
+				);
+			}
+		}
+		$this->clearNotices();
+	}
 
 
 }

core/services/notices/NoticeConverterInterface.php

Doc Comments +2 added lines, -1 removed lines

@@ -24,6 +24,7 @@ 
 
     /**
      * @param bool $throw_exceptions
+     * @return void
      */
     public function setThrowExceptions($throw_exceptions);
 
@@ -41,7 +42,7 @@ 
     public function process(NoticesContainerInterface $notices);
 
     /**
-     * @return void;
+     * @return void
      */
     public function clearNotices();
 

Indentation +27 added lines, -27 removed lines

@@ -17,33 +17,33 @@
 interface NoticeConverterInterface
 {
 
-    /**
-     * @return NoticesContainerInterface
-     */
-    public function getNotices();
-
-    /**
-     * @param bool $throw_exceptions
-     */
-    public function setThrowExceptions($throw_exceptions);
-
-    /**
-     * @return bool
-     */
-    public function getThrowExceptions();
-
-    /**
-     * Converts NoticesContainerInterface objects into other format
-     *
-     * @param NoticesContainerInterface $notices
-     * @return
-     */
-    public function process(NoticesContainerInterface $notices);
-
-    /**
-     * @return void;
-     */
-    public function clearNotices();
+	/**
+	 * @return NoticesContainerInterface
+	 */
+	public function getNotices();
+
+	/**
+	 * @param bool $throw_exceptions
+	 */
+	public function setThrowExceptions($throw_exceptions);
+
+	/**
+	 * @return bool
+	 */
+	public function getThrowExceptions();
+
+	/**
+	 * Converts NoticesContainerInterface objects into other format
+	 *
+	 * @param NoticesContainerInterface $notices
+	 * @return
+	 */
+	public function process(NoticesContainerInterface $notices);
+
+	/**
+	 * @return void;
+	 */
+	public function clearNotices();
 
 
 }
\ No newline at end of file

core/services/notices/NoticeConverter.php

Indentation +54 added lines, -54 removed lines

@@ -17,79 +17,79 @@
 abstract class NoticeConverter implements NoticeConverterInterface
 {
 
-    /**
-     * @var NoticesContainerInterface $notices
-     */
-    private $notices;
+	/**
+	 * @var NoticesContainerInterface $notices
+	 */
+	private $notices;
 
-    /**
-     * if set to true, then errors will be thrown as exceptions
-     *
-     * @var boolean $throw_exceptions
-     */
-    private $throw_exceptions;
+	/**
+	 * if set to true, then errors will be thrown as exceptions
+	 *
+	 * @var boolean $throw_exceptions
+	 */
+	private $throw_exceptions;
 
 
 
-    /**
-     * NoticeConverter constructor.
-     *
-     * @param bool                      $throw_exceptions
-     */
-    public function __construct($throw_exceptions = false)
-    {
-        $this->throw_exceptions = $throw_exceptions;
-    }
+	/**
+	 * NoticeConverter constructor.
+	 *
+	 * @param bool                      $throw_exceptions
+	 */
+	public function __construct($throw_exceptions = false)
+	{
+		$this->throw_exceptions = $throw_exceptions;
+	}
 
 
 
-    /**
-     * @return NoticesContainerInterface
-     */
-    public function getNotices()
-    {
-        return $this->notices;
-    }
+	/**
+	 * @return NoticesContainerInterface
+	 */
+	public function getNotices()
+	{
+		return $this->notices;
+	}
 
 
 
-    /**
-     * @param NoticesContainerInterface $notices
-     */
-    protected function setNotices(NoticesContainerInterface $notices)
-    {
-        $this->notices = $notices;
-    }
+	/**
+	 * @param NoticesContainerInterface $notices
+	 */
+	protected function setNotices(NoticesContainerInterface $notices)
+	{
+		$this->notices = $notices;
+	}
 
 
 
-    /**
-     * @return bool
-     */
-    public function getThrowExceptions()
-    {
-        return $this->throw_exceptions;
-    }
+	/**
+	 * @return bool
+	 */
+	public function getThrowExceptions()
+	{
+		return $this->throw_exceptions;
+	}
 
 
 
-    /**
-     * @param bool $throw_exceptions
-     */
-    public function setThrowExceptions($throw_exceptions)
-    {
-        $this->throw_exceptions = filter_var($throw_exceptions, FILTER_VALIDATE_BOOLEAN);
-    }
+	/**
+	 * @param bool $throw_exceptions
+	 */
+	public function setThrowExceptions($throw_exceptions)
+	{
+		$this->throw_exceptions = filter_var($throw_exceptions, FILTER_VALIDATE_BOOLEAN);
+	}
 
 
 
-    /**
-     * @return void;
-     */
-    public function clearNotices()
-    {
-        $this->notices = null;
-    }
+	/**
+	 * @return void;
+	 */
+	public function clearNotices()
+	{
+		$this->notices = null;
+	}
 
 
 }

core/db_classes/EE_Event.class.php

Doc Comments +2 added lines, -2 removed lines

@@ -818,7 +818,7 @@ 
     /**
      * calculate spaces remaining based on "saleable" tickets
      *
-     * @param array $tickets
+     * @param EE_Base_Class[] $tickets
      * @param bool $filtered
      * @return int|float
      * @throws EE_Error
@@ -1174,7 +1174,7 @@ 
      *
      * @access public
      * @param boolean $echo whether to return (FALSE), or echo out the result (TRUE)
-     * @return mixed void|string
+     * @return string void|string
      * @throws EE_Error
      */
     public function pretty_active_status($echo = true)

Indentation +1399 added lines, -1399 removed lines

@@ -1,7 +1,7 @@ 
 <?php use EventEspresso\core\exceptions\InvalidStatusException;
 
 if (!defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -15,1403 +15,1403 @@ 
 class EE_Event extends EE_CPT_Base implements EEI_Line_Item_Object, EEI_Admin_Links, EEI_Has_Icon, EEI_Event
 {
 
-    /**
-     * cached value for the the logical active status for the event
-     *
-     * @see get_active_status()
-     * @var string
-     */
-    protected $_active_status = '';
-
-    /**
-     * This is just used for caching the Primary Datetime for the Event on initial retrieval
-     *
-     * @var EE_Datetime
-     */
-    protected $_Primary_Datetime;
-
-
-    /**
-     * @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 $date_formats incoming date_formats in an array where the first value is the
-     *                                        date_format and the second value is the time format
-     * @return EE_Event
-     * @throws EE_Error
-     */
-    public static function new_instance($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 $timezone incoming timezone as set by the model.  If not set the timezone for
-     *                                the website will be used.
-     * @return EE_Event
-     * @throws EE_Error
-     */
-    public static function new_instance_from_db($props_n_values = array(), $timezone = null)
-    {
-        return new self($props_n_values, true, $timezone);
-    }
-
-
-    /**
-     * Overrides parent set() method so that all calls to set( 'status', $status ) can be routed to internal methods
-     *
-     * @param string $field_name
-     * @param mixed $field_value
-     * @param bool $use_default
-     * @throws EE_Error
-     */
-    public function set($field_name, $field_value, $use_default = false)
-    {
-        switch ($field_name) {
-            case 'status' :
-                $this->set_status($field_value, $use_default);
-                break;
-            default :
-                parent::set($field_name, $field_value, $use_default);
-        }
-    }
-
-
-    /**
-     *    set_status
-     * Checks if event status is being changed to SOLD OUT
-     * and updates event meta data with previous event status
-     * so that we can revert things if/when the event is no longer sold out
-     *
-     * @access public
-     * @param string $new_status
-     * @param bool $use_default
-     * @return void
-     * @throws EE_Error
-     */
-    public function set_status($new_status = null, $use_default = false)
-    {
-        // if nothing is set, and we aren't explicitly wanting to reset the status, then just leave
-        if (empty($new_status) && !$use_default) {
-            return;
-        }
-        // get current Event status
-        $old_status = $this->status();
-        // if status has changed
-        if ($old_status !== $new_status) {
-            // TO sold_out
-            if ($new_status === EEM_Event::sold_out) {
-                // save the previous event status so that we can revert if the event is no longer sold out
-                $this->add_post_meta('_previous_event_status', $old_status);
-                do_action('AHEE__EE_Event__set_status__to_sold_out', $this, $old_status, $new_status);
-                // OR FROM  sold_out
-            } else if ($old_status === EEM_Event::sold_out) {
-                $this->delete_post_meta('_previous_event_status');
-                do_action('AHEE__EE_Event__set_status__from_sold_out', $this, $old_status, $new_status);
-            }
-            // update status
-            parent::set('status', $new_status, $use_default);
-            do_action('AHEE__EE_Event__set_status__after_update', $this);
-            return;
-        }
-        // 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('status', $new_status, $use_default);
-    }
-
-
-    /**
-     * Gets all the datetimes for this event
-     *
-     * @param array $query_params like EEM_Base::get_all
-     * @return EE_Base_Class[]|EE_Datetime[]
-     * @throws EE_Error
-     */
-    public function datetimes($query_params = array())
-    {
-        return $this->get_many_related('Datetime', $query_params);
-    }
-
-
-    /**
-     * Gets all the datetimes for this event, ordered by DTT_EVT_start in ascending order
-     *
-     * @return EE_Base_Class[]|EE_Datetime[]
-     * @throws EE_Error
-     */
-    public function datetimes_in_chronological_order()
-    {
-        return $this->get_many_related('Datetime', array('order_by' => array('DTT_EVT_start' => 'ASC')));
-    }
-
-
-    /**
-     * Gets all the datetimes for this event, ordered by the DTT_order on the datetime.
-     * @darren, we should probably UNSET timezone on the EEM_Datetime model
-     * after running our query, so that this timezone isn't set for EVERY query
-     * on EEM_Datetime for the rest of the request, no?
-     *
-     * @param boolean $show_expired whether or not to include expired events
-     * @param boolean $show_deleted whether or not to include deleted events
-     * @param null $limit
-     * @return EE_Datetime[]
-     * @throws EE_Error
-     */
-    public function datetimes_ordered($show_expired = true, $show_deleted = false, $limit = null)
-    {
-        return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_event_ordered_by_DTT_order(
-            $this->ID(),
-            $show_expired,
-            $show_deleted,
-            $limit
-        );
-    }
-
-
-    /**
-     * Returns one related datetime. Mostly only used by some legacy code.
-     *
-     * @return EE_Base_Class|EE_Datetime
-     * @throws EE_Error
-     */
-    public function first_datetime()
-    {
-        return $this->get_first_related('Datetime');
-    }
-
-
-    /**
-     * Returns the 'primary' datetime for the event
-     *
-     * @param bool $try_to_exclude_expired
-     * @param bool $try_to_exclude_deleted
-     * @return EE_Datetime
-     * @throws EE_Error
-     */
-    public function primary_datetime($try_to_exclude_expired = true, $try_to_exclude_deleted = true)
-    {
-        if (!empty ($this->_Primary_Datetime)) {
-            return $this->_Primary_Datetime;
-        }
-        $this->_Primary_Datetime = EEM_Datetime::instance($this->_timezone)->get_primary_datetime_for_event(
-            $this->ID(),
-            $try_to_exclude_expired,
-            $try_to_exclude_deleted
-        );
-        return $this->_Primary_Datetime;
-    }
-
-
-    /**
-     * Gets all the tickets available for purchase of this event
-     *
-     * @param array $query_params like EEM_Base::get_all
-     * @return EE_Base_Class[]|EE_Ticket[]
-     * @throws EE_Error
-     */
-    public function tickets($query_params = array())
-    {
-        //first get all datetimes
-        $datetimes = $this->datetimes_ordered();
-        if (!$datetimes) {
-            return array();
-        }
-        $datetime_ids = array();
-        foreach ($datetimes as $datetime) {
-            $datetime_ids[] = $datetime->ID();
-        }
-        $where_params = array('Datetime.DTT_ID' => array('IN', $datetime_ids));
-        //if incoming $query_params has where conditions let's merge but not override existing.
-        if (is_array($query_params) && isset($query_params[0])) {
-            $where_params = array_merge($query_params[0], $where_params);
-            unset($query_params[0]);
-        }
-        //now add $where_params to $query_params
-        $query_params[0] = $where_params;
-        return EEM_Ticket::instance()->get_all($query_params);
-    }
-
-
-    /**
-     * get all unexpired untrashed tickets
-     *
-     * @return EE_Ticket[]
-     * @throws EE_Error
-     */
-    public function active_tickets()
-    {
-        return $this->tickets(array(
-            array(
-                'TKT_end_date' => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
-                'TKT_deleted' => false,
-            ),
-        ));
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function additional_limit()
-    {
-        return $this->get('EVT_additional_limit');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function allow_overflow()
-    {
-        return $this->get('EVT_allow_overflow');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function created()
-    {
-        return $this->get('EVT_created');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function description()
-    {
-        return $this->get('EVT_desc');
-    }
-
-
-    /**
-     * Runs do_shortcode and wpautop on the description
-     *
-     * @return string of html
-     * @throws EE_Error
-     */
-    public function description_filtered()
-    {
-        return $this->get_pretty('EVT_desc');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function display_description()
-    {
-        return $this->get('EVT_display_desc');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function display_ticket_selector()
-    {
-        return (bool)$this->get('EVT_display_ticket_selector');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function external_url()
-    {
-        return $this->get('EVT_external_URL');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function member_only()
-    {
-        return $this->get('EVT_member_only');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function phone()
-    {
-        return $this->get('EVT_phone');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function modified()
-    {
-        return $this->get('EVT_modified');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function name()
-    {
-        return $this->get('EVT_name');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function order()
-    {
-        return $this->get('EVT_order');
-    }
-
-
-    /**
-     * @return bool|string
-     * @throws EE_Error
-     */
-    public function default_registration_status()
-    {
-        $event_default_registration_status = $this->get('EVT_default_registration_status');
-        return !empty($event_default_registration_status)
-            ? $event_default_registration_status
-            : EE_Registry::instance()->CFG->registration->default_STS_ID;
-    }
-
-
-    /**
-     * @param int $num_words
-     * @param null $more
-     * @param bool $not_full_desc
-     * @return bool|string
-     * @throws EE_Error
-     */
-    public function short_description($num_words = 55, $more = null, $not_full_desc = false)
-    {
-        $short_desc = $this->get('EVT_short_desc');
-        if (!empty($short_desc) || $not_full_desc) {
-            return $short_desc;
-        }
-        $full_desc = $this->get('EVT_desc');
-        return wp_trim_words($full_desc, $num_words, $more);
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function slug()
-    {
-        return $this->get('EVT_slug');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function timezone_string()
-    {
-        return $this->get('EVT_timezone_string');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function visible_on()
-    {
-        return $this->get('EVT_visible_on');
-    }
-
-
-    /**
-     * @return int
-     * @throws EE_Error
-     */
-    public function wp_user()
-    {
-        return $this->get('EVT_wp_user');
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function donations()
-    {
-        return $this->get('EVT_donations');
-    }
-
-
-    /**
-     * @param $limit
-     * @throws EE_Error
-     */
-    public function set_additional_limit($limit)
-    {
-        $this->set('EVT_additional_limit', $limit);
-    }
-
-
-    /**
-     * @param $created
-     * @throws EE_Error
-     */
-    public function set_created($created)
-    {
-        $this->set('EVT_created', $created);
-    }
-
-
-    /**
-     * @param $desc
-     * @throws EE_Error
-     */
-    public function set_description($desc)
-    {
-        $this->set('EVT_desc', $desc);
-    }
-
-
-    /**
-     * @param $display_desc
-     * @throws EE_Error
-     */
-    public function set_display_description($display_desc)
-    {
-        $this->set('EVT_display_desc', $display_desc);
-    }
-
-
-    /**
-     * @param $display_ticket_selector
-     * @throws EE_Error
-     */
-    public function set_display_ticket_selector($display_ticket_selector)
-    {
-        $this->set('EVT_display_ticket_selector', $display_ticket_selector);
-    }
-
-
-    /**
-     * @param $external_url
-     * @throws EE_Error
-     */
-    public function set_external_url($external_url)
-    {
-        $this->set('EVT_external_URL', $external_url);
-    }
-
-
-    /**
-     * @param $member_only
-     * @throws EE_Error
-     */
-    public function set_member_only($member_only)
-    {
-        $this->set('EVT_member_only', $member_only);
-    }
-
-
-    /**
-     * @param $event_phone
-     * @throws EE_Error
-     */
-    public function set_event_phone($event_phone)
-    {
-        $this->set('EVT_phone', $event_phone);
-    }
-
-
-    /**
-     * @param $modified
-     * @throws EE_Error
-     */
-    public function set_modified($modified)
-    {
-        $this->set('EVT_modified', $modified);
-    }
-
-
-    /**
-     * @param $name
-     * @throws EE_Error
-     */
-    public function set_name($name)
-    {
-        $this->set('EVT_name', $name);
-    }
-
-
-    /**
-     * @param $order
-     * @throws EE_Error
-     */
-    public function set_order($order)
-    {
-        $this->set('EVT_order', $order);
-    }
-
-
-    /**
-     * @param $short_desc
-     * @throws EE_Error
-     */
-    public function set_short_description($short_desc)
-    {
-        $this->set('EVT_short_desc', $short_desc);
-    }
-
-
-    /**
-     * @param $slug
-     * @throws EE_Error
-     */
-    public function set_slug($slug)
-    {
-        $this->set('EVT_slug', $slug);
-    }
-
-
-    /**
-     * @param $timezone_string
-     * @throws EE_Error
-     */
-    public function set_timezone_string($timezone_string)
-    {
-        $this->set('EVT_timezone_string', $timezone_string);
-    }
-
-
-    /**
-     * @param $visible_on
-     * @throws EE_Error
-     */
-    public function set_visible_on($visible_on)
-    {
-        $this->set('EVT_visible_on', $visible_on);
-    }
-
-
-    /**
-     * @param $wp_user
-     * @throws EE_Error
-     */
-    public function set_wp_user($wp_user)
-    {
-        $this->set('EVT_wp_user', $wp_user);
-    }
-
-
-    /**
-     * @param $default_registration_status
-     * @throws EE_Error
-     */
-    public function set_default_registration_status($default_registration_status)
-    {
-        $this->set('EVT_default_registration_status', $default_registration_status);
-    }
-
-
-    /**
-     * @param $donations
-     * @throws EE_Error
-     */
-    public function set_donations($donations)
-    {
-        $this->set('EVT_donations', $donations);
-    }
-
-
-    /**
-     * Adds a venue to this event
-     *
-     * @param EE_Venue /int $venue_id_or_obj
-     * @return EE_Base_Class|EE_Venue
-     * @throws EE_Error
-     */
-    public function add_venue($venue_id_or_obj)
-    {
-        return $this->_add_relation_to($venue_id_or_obj, 'Venue');
-    }
-
-
-    /**
-     * Removes a venue from the event
-     *
-     * @param EE_Venue /int $venue_id_or_obj
-     * @return EE_Base_Class|EE_Venue
-     * @throws EE_Error
-     */
-    public function remove_venue($venue_id_or_obj)
-    {
-        return $this->_remove_relation_to($venue_id_or_obj, 'Venue');
-    }
-
-
-    /**
-     * Gets all the venues related ot the event. May provide additional $query_params if desired
-     *
-     * @param array $query_params like EEM_Base::get_all's $query_params
-     * @return EE_Base_Class[]|EE_Venue[]
-     * @throws EE_Error
-     */
-    public function venues($query_params = array())
-    {
-        return $this->get_many_related('Venue', $query_params);
-    }
-
-
-    /**
-     * check if event id is present and if event is published
-     *
-     * @access public
-     * @return boolean true yes, false no
-     * @throws EE_Error
-     */
-    private function _has_ID_and_is_published()
-    {
-        // first check if event id is present and not NULL,
-        // then check if this event is published (or any of the equivalent "published" statuses)
-        return
-            $this->ID() && $this->ID() !== null
-            && (
-                $this->status() === 'publish'
-                || $this->status() === EEM_Event::sold_out
-                || $this->status() === EEM_Event::postponed
-                || $this->status() === EEM_Event::cancelled
-            );
-    }
-
-
-    /**
-     * This simply compares the internal dates with NOW and determines if the event is upcoming or not.
-     *
-     * @access public
-     * @return boolean true yes, false no
-     * @throws EE_Error
-     */
-    public function is_upcoming()
-    {
-        // check if event id is present and if this event is published
-        if ($this->is_inactive()) {
-            return false;
-        }
-        // set initial value
-        $upcoming = false;
-        //next let's get all datetimes and loop through them
-        $datetimes = $this->datetimes_in_chronological_order();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                //if this dtt is expired then we continue cause one of the other datetimes might be upcoming.
-                if ($datetime->is_expired()) {
-                    continue;
-                }
-                //if this dtt is active then we return false.
-                if ($datetime->is_active()) {
-                    return false;
-                }
-                //otherwise let's check upcoming status
-                $upcoming = $datetime->is_upcoming();
-            }
-        }
-        return $upcoming;
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function is_active()
-    {
-        // check if event id is present and if this event is published
-        if ($this->is_inactive()) {
-            return false;
-        }
-        // set initial value
-        $active = false;
-        //next let's get all datetimes and loop through them
-        $datetimes = $this->datetimes_in_chronological_order();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                //if this dtt is expired then we continue cause one of the other datetimes might be active.
-                if ($datetime->is_expired()) {
-                    continue;
-                }
-                //if this dtt is upcoming then we return false.
-                if ($datetime->is_upcoming()) {
-                    return false;
-                }
-                //otherwise let's check active status
-                $active = $datetime->is_active();
-            }
-        }
-        return $active;
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function is_expired()
-    {
-        // check if event id is present and if this event is published
-        if ($this->is_inactive()) {
-            return false;
-        }
-        // set initial value
-        $expired = false;
-        //first let's get all datetimes and loop through them
-        $datetimes = $this->datetimes_in_chronological_order();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                //if this dtt is upcoming or active then we return false.
-                if ($datetime->is_upcoming() || $datetime->is_active()) {
-                    return false;
-                }
-                //otherwise let's check active status
-                $expired = $datetime->is_expired();
-            }
-        }
-        return $expired;
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    public function is_inactive()
-    {
-        // check if event id is present and if this event is published
-        if ($this->_has_ID_and_is_published()) {
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * calculate spaces remaining based on "saleable" tickets
-     *
-     * @param array $tickets
-     * @param bool $filtered
-     * @return int|float
-     * @throws EE_Error
-     */
-    public function spaces_remaining($tickets = array(), $filtered = true)
-    {
-        // get all unexpired untrashed tickets if nothing was passed
-        $tickets = !empty($tickets) ? $tickets : $this->active_tickets();
-        // set initial value
-        $spaces_remaining = 0;
-        if (!empty($tickets)) {
-            foreach ($tickets as $ticket) {
-                if ($ticket instanceof EE_Ticket) {
-                    $spaces_remaining += $ticket->qty('saleable');
-                }
-            }
-        }
-        return $filtered
-            ? apply_filters(
-                'FHEE_EE_Event__spaces_remaining',
-                $spaces_remaining,
-                $this,
-                $tickets
-            )
-            : $spaces_remaining;
-    }
-
-
-    /**
-     *    perform_sold_out_status_check
-     *    checks all of this events's datetime  reg_limit - sold values to determine if ANY datetimes have spaces available...
-     *    if NOT, then the event status will get toggled to 'sold_out'
-     *
-     * @access public
-     * @return bool    return the ACTUAL sold out state.
-     * @throws EE_Error
-     */
-    public function perform_sold_out_status_check()
-    {
-        // get all unexpired untrashed tickets
-        $tickets = $this->active_tickets();
-        // if all the tickets are just expired, then don't update the event status to sold out
-        if (empty($tickets)) {
-            return true;
-        }
-        $spaces_remaining = $this->spaces_remaining($tickets);
-        if ($spaces_remaining < 1) {
-            $this->set_status(EEM_Event::sold_out);
-            $this->save();
-            $sold_out = true;
-        } else {
-            $sold_out = false;
-            // was event previously marked as sold out ?
-            if ($this->status() === EEM_Event::sold_out) {
-                // revert status to previous value, if it was set
-                $previous_event_status = $this->get_post_meta('_previous_event_status', true);
-                if ($previous_event_status) {
-                    $this->set_status($previous_event_status);
-                    $this->save();
-                }
-            }
-        }
-        do_action('AHEE__EE_Event__perform_sold_out_status_check__end', $this, $sold_out, $spaces_remaining, $tickets);
-        return $sold_out;
-    }
-
-
-    /**
-     * This returns the total remaining spaces for sale on this event.
-     * ############################
-     * VERY IMPORTANT FOR DEVELOPERS:
-     * While included here, this method is still being tested internally, so its signature and behaviour COULD change.
-     * While this comment block is in place, usage is at your own risk and know that it may change in future builds.
-     * ############################
-     *
-     * @uses EE_Event::total_available_spaces()
-     * @return float|int  (EE_INF is returned as float)
-     * @throws InvalidArgumentException
-     * @throws InvalidStatusException
-     * @throws EE_Error
-     */
-    public function spaces_remaining_for_sale()
-    {
-        //first get total available spaces including consideration for tickets that have already sold.
-        $spaces_available = $this->total_available_spaces(true);
-        //if total available = 0, then exit right away because that means everything is expired.
-        if ($spaces_available === 0) {
-            return 0;
-        }
-        //subtract total approved registrations from spaces available to get how many are remaining.
-        $spots_taken = EEM_Registration::instance()->event_reg_count_for_statuses($this->ID());
-        $spaces_remaining = $spaces_available - $spots_taken;
-        return $spaces_remaining > 0 ? $spaces_remaining : 0;
-    }
-
-
-    /**
-     * This returns the total spaces available for an event while considering all the qtys on the tickets and the reg limits
-     * on the datetimes attached to this event.
-     * ############################
-     * VERY IMPORTANT FOR DEVELOPERS:
-     * While included here, this method is still being tested internally, so its signature and behaviour COULD change. While
-     * this comment block is in place, usage is at your own risk and know that it may change in future builds.
-     * ############################
-     * Note: by "spaces available" we are not returning how many spaces remain.  That is a calculation involving using the value
-     * from this method and subtracting the approved registrations for the event.
-     *
-     * @param   bool $current_total_available Whether to consider any tickets that have already sold in our calculation.
-     *                                              If this is false, then we return the most tickets that could ever be sold
-     *                                              for this event with the datetime and tickets setup on the event under optimal
-     *                                              selling conditions.  Otherwise we return a live calculation of spaces available
-     *                                              based on tickets sold.  Depending on setup and stage of sales, this
-     *                                              may appear to equal remaining tickets.  However, the more tickets are
-     *                                              sold out, the more accurate the "live" total is.
-     * @return  int|float  (Note: if EE_INF is returned its considered a float by PHP)
-     * @throws EE_Error
-     */
-    public function total_available_spaces($current_total_available = false)
-    {
-        $spaces_available = 0;
-        //first get all tickets on the event and include expired tickets
-        $tickets = $this->tickets(array('default_where_conditions' => 'none'));
-        $ticket_sums = array();
-        $datetimes = array();
-        $datetime_limits = array();
-        //loop through tickets and normalize them
-        foreach ($tickets as $ticket) {
-            $datetimes = $ticket->datetimes(array('order_by' => array('DTT_reg_limit' => 'ASC')));
-            if (empty($datetimes)) {
-                continue;
-            }
-            //first datetime should be the lowest datetime
-            $least_datetime = reset($datetimes);
-            //lets reset the ticket quantity to be the lower of either the lowest datetime reg limit or the ticket quantity
-            //IF datetimes sold (and we're not doing current live total available, then use spaces remaining for datetime, not reg_limit.
-            if ($current_total_available) {
-                if ($ticket->is_remaining()) {
-                    $remaining = $ticket->remaining();
-                } else {
-                    $spaces_available += $ticket->sold();
-                    //and we don't cache this ticket to our list because its sold out.
-                    continue;
-                }
-            } else {
-                $remaining = min($ticket->qty(), $least_datetime->reg_limit());
-            }
-            //if $ticket_limit == infinity then let's drop out right away and just return that because any infinity amount trumps all other "available" amounts.
-            if ($remaining === EE_INF) {
-                return EE_INF;
-            }
-            //multiply normalized $tkt quantity by the number of datetimes on the ticket as the "sum"
-            //also include the sum of all the datetime reg limits on the ticket for breaking ties.
-            $ticket_sums[$ticket->ID()]['sum'] = $remaining * count($datetimes);
-            $ticket_sums[$ticket->ID()]['datetime_sums'] = 0;
-            foreach ($datetimes as $datetime) {
-                if ($datetime->reg_limit() === EE_INF) {
-                    $ticket_sums[$ticket->ID()]['datetime_sums'] = EE_INF;
-                } else {
-                    $ticket_sums[$ticket->ID()]['datetime_sums'] += $current_total_available
-                        ? $datetime->spaces_remaining()
-                        : $datetime->reg_limit();
-                }
-                $datetime_limits[$datetime->ID()] = $current_total_available
-                    ? $datetime->spaces_remaining()
-                    : $datetime->reg_limit();
-            }
-            $ticket_sums[$ticket->ID()]['ticket'] = $ticket;
-        }
-        //The order is sorted by lowest available first (which is calculated for each ticket by multiplying the normalized
-        //ticket quantity by the number of datetimes on the ticket).  For tie-breakers, then the next sort is based on the
-        //ticket with the greatest sum of all remaining datetime->spaces_remaining() ( or $datetime->reg_limit() if not
-        //$current_total_available ) for the datetimes on the ticket.
-        usort($ticket_sums, function ($a, $b) {
-            if ($a['sum'] === $b['sum']) {
-                if ($a['datetime_sums'] === $b['datetime_sums']) {
-                    return 0;
-                }
-                return $a['datetime_sums'] < $b['datetime_sums'] ? 1 : -1;
-            }
-            return ($a['sum'] < $b['sum']) ? -1 : 1;
-        });
-        //now let's loop through the sorted tickets and simulate sellouts
-        foreach ($ticket_sums as $ticket_info) {
-            if ($ticket_info['ticket'] instanceof EE_Ticket) {
-                $datetimes = $ticket_info['ticket']->datetimes(array('order_by' => array('DTT_reg_limit' => 'ASC')));
-                //need to sort these $datetimes by remaining (only if $current_total_available)
-                //setup datetimes for simulation
-                $ticket_datetimes_remaining = array();
-                foreach ($datetimes as $datetime) {
-                    $DTT_ID = $datetime->ID();
-                    $ticket_datetimes_remaining[$DTT_ID]['rem'] = $datetime_limits[$DTT_ID];
-                    $ticket_datetimes_remaining[$DTT_ID]['datetime'] = $datetime;
-                }
-                usort($ticket_datetimes_remaining, function ($a, $b) {
-                    if ($a['rem'] === $b['rem']) {
-                        return 0;
-                    }
-                    return ($a['rem'] < $b['rem']) ? -1 : 1;
-                });
-                //get the remaining on the first datetime (which should be the one with the least remaining) and that is
-                //what we add to the spaces_available running total.  Then we need to decrease the remaining on our datetime tracker.
-                $lowest_datetime = reset($ticket_datetimes_remaining);
-                //need to get the lower of; what the remaining is on the lowest datetime, and the remaining on the ticket.
-                // If this ends up being 0 (because of previous tickets in our simulation selling out), then it has already
-                // been tracked on $spaces available and this ticket is now sold out for the simulation, so we can continue
-                // to the next ticket.
-                if ($current_total_available) {
-                    $remaining = min($lowest_datetime['rem'], $ticket_info['ticket']->remaining());
-                } else {
-                    $remaining = min($lowest_datetime['rem'], $ticket_info['ticket']->qty());
-                }
-                //if $remaining is infinite that means that all datetimes on this ticket are infinite but we've made it here because all
-                //tickets have a quantity.  So we don't have to track datetimes, we can just use ticket quantities for total
-                //available.
-                if ($remaining === EE_INF) {
-                    $spaces_available += $ticket_info['ticket']->qty();
-                    continue;
-                }
-                //if ticket has sold amounts then we also need to add that (but only if doing live counts)
-                if ($current_total_available) {
-                    $spaces_available += $ticket_info['ticket']->sold();
-                }
-                if ($remaining <= 0) {
-                    continue;
-                }
-                $spaces_available += $remaining;
-                //loop through the datetimes and sell them out!
-                foreach ($ticket_datetimes_remaining as $datetime_info) {
-                    if ($datetime_info['datetime'] instanceof EE_Datetime) {
-                        $datetime_limits[$datetime_info['datetime']->ID()] += -$remaining;
-                    }
-                }
-            }
-        }
-        return apply_filters(
-            'FHEE_EE_Event__total_available_spaces__spaces_available',
-            $spaces_available,
-            $this,
-            $datetimes,
-            $tickets
-        );
-    }
-
-
-    /**
-     * Checks if the event is set to sold out
-     *
-     * @param  bool $actual whether or not to perform calculations to not only figure the
-     *                      actual status but also to flip the status if necessary to sold
-     *                      out If false, we just check the existing status of the event
-     * @return boolean
-     * @throws EE_Error
-     */
-    public function is_sold_out($actual = false)
-    {
-        if (!$actual) {
-            return $this->status() === EEM_Event::sold_out;
-        }
-        return $this->perform_sold_out_status_check();
-    }
-
-
-    /**
-     * Checks if the event is marked as postponed
-     *
-     * @return boolean
-     */
-    public function is_postponed()
-    {
-        return $this->status() === EEM_Event::postponed;
-    }
-
-
-    /**
-     * Checks if the event is marked as cancelled
-     *
-     * @return boolean
-     */
-    public function is_cancelled()
-    {
-        return $this->status() === EEM_Event::cancelled;
-    }
-
-
-    /**
-     * Get the logical active status in a hierarchical order for all the datetimes.  Note
-     * Basically, we order the datetimes by EVT_start_date.  Then first test on whether the event is published.  If its
-     * NOT published then we test for whether its expired or not.  IF it IS published then we test first on whether an
-     * event has any active dates.  If no active dates then we check for any upcoming dates.  If no upcoming dates then
-     * the event is considered expired.
-     * NOTE: this method does NOT calculate whether the datetimes are sold out when event is published.  Sold Out is a status
-     * set on the EVENT when it is not published and thus is done
-     *
-     * @param bool $reset
-     * @return bool | string - based on EE_Datetime active constants or FALSE if error.
-     * @throws EE_Error
-     */
-    public function get_active_status($reset = false)
-    {
-        // if the active status has already been set, then just use that value (unless we are resetting it)
-        if (!empty($this->_active_status) && !$reset) {
-            return $this->_active_status;
-        }
-        //first check if event id is present on this object
-        if (!$this->ID()) {
-            return false;
-        }
-        $where_params_for_event = array(array('EVT_ID' => $this->ID()));
-        //if event is published:
-        if ($this->status() === 'publish') {
-            //active?
-            if (EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::active, $where_params_for_event) > 0) {
-                $this->_active_status = EE_Datetime::active;
-            } else {
-                //upcoming?
-                if (EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::upcoming, $where_params_for_event) > 0) {
-                    $this->_active_status = EE_Datetime::upcoming;
-                } else {
-                    //expired?
-                    if (
-                        EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::expired, $where_params_for_event) > 0
-                    ) {
-                        $this->_active_status = EE_Datetime::expired;
-                    } else {
-                        //it would be odd if things make it this far because it basically means there are no datetime's
-                        //attached to the event.  So in this case it will just be considered inactive.
-                        $this->_active_status = EE_Datetime::inactive;
-                    }
-                }
-            }
-        } else {
-            //the event is not published, so let's just set it's active status according to its' post status
-            switch ($this->status()) {
-                case EEM_Event::sold_out :
-                    $this->_active_status = EE_Datetime::sold_out;
-                    break;
-                case EEM_Event::cancelled :
-                    $this->_active_status = EE_Datetime::cancelled;
-                    break;
-                case EEM_Event::postponed :
-                    $this->_active_status = EE_Datetime::postponed;
-                    break;
-                default :
-                    $this->_active_status = EE_Datetime::inactive;
-            }
-        }
-        return $this->_active_status;
-    }
-
-
-    /**
-     *    pretty_active_status
-     *
-     * @access public
-     * @param boolean $echo whether to return (FALSE), or echo out the result (TRUE)
-     * @return mixed void|string
-     * @throws EE_Error
-     */
-    public function pretty_active_status($echo = true)
-    {
-        $active_status = $this->get_active_status();
-        $status = '<span class="ee-status event-active-status-'
-            . $active_status
-            . '">'
-            . EEH_Template::pretty_status($active_status, false, 'sentence')
-            . '</span>';
-        if ($echo) {
-            echo $status;
-            return '';
-        }
-        return $status;
-    }
-
-
-    /**
-     * @return bool|int
-     * @throws EE_Error
-     */
-    public function get_number_of_tickets_sold()
-    {
-        $tkt_sold = 0;
-        if (!$this->ID()) {
-            return 0;
-        }
-        $datetimes = $this->datetimes();
-        foreach ($datetimes as $datetime) {
-            if ($datetime instanceof EE_Datetime) {
-                $tkt_sold += $datetime->sold();
-            }
-        }
-        return $tkt_sold;
-    }
-
-
-    /**
-     * This just returns a count of all the registrations for this event
-     *
-     * @access  public
-     * @return int
-     * @throws EE_Error
-     */
-    public function get_count_of_all_registrations()
-    {
-        return EEM_Event::instance()->count_related($this, 'Registration');
-    }
-
-
-    /**
-     * This returns the ticket with the earliest start time that is
-     * available for this event (across all datetimes attached to the event)
-     *
-     * @return EE_Base_Class|EE_Ticket|null
-     * @throws EE_Error
-     */
-    public function get_ticket_with_earliest_start_time()
-    {
-        $where['Datetime.EVT_ID'] = $this->ID();
-        $query_params = array($where, 'order_by' => array('TKT_start_date' => 'ASC'));
-        return EE_Registry::instance()->load_model('Ticket')->get_one($query_params);
-    }
-
-
-    /**
-     * This returns the ticket with the latest end time that is available
-     * for this event (across all datetimes attached to the event)
-     *
-     * @return EE_Base_Class|EE_Ticket|null
-     * @throws EE_Error
-     */
-    public function get_ticket_with_latest_end_time()
-    {
-        $where['Datetime.EVT_ID'] = $this->ID();
-        $query_params = array($where, 'order_by' => array('TKT_end_date' => 'DESC'));
-        return EE_Registry::instance()->load_model('Ticket')->get_one($query_params);
-    }
-
-
-    /**
-     * This returns whether there are any tickets on sale for this event.
-     *
-     * @return bool true = YES tickets on sale.
-     * @throws EE_Error
-     */
-    public function tickets_on_sale()
-    {
-        $earliest_ticket = $this->get_ticket_with_earliest_start_time();
-        $latest_ticket = $this->get_ticket_with_latest_end_time();
-        if (!$latest_ticket instanceof EE_Ticket && !$earliest_ticket instanceof EE_Ticket) {
-            return false;
-        }
-        //check on sale for these two tickets.
-        if ($latest_ticket->is_on_sale() || $earliest_ticket->is_on_sale()) {
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * Gets the URL for viewing this event on the front-end. Overrides parent
-     * to check for an external URL first
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_permalink()
-    {
-        if ($this->external_url()) {
-            return $this->external_url();
-        }
-        return parent::get_permalink();
-    }
-
-
-    /**
-     * Gets the first term for 'espresso_event_categories' we can find
-     *
-     * @param array $query_params like EEM_Base::get_all
-     * @return EE_Base_Class|EE_Term|null
-     * @throws EE_Error
-     */
-    public function first_event_category($query_params = array())
-    {
-        $query_params[0]['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
-        $query_params[0]['Term_Taxonomy.Event.EVT_ID'] = $this->ID();
-        return EEM_Term::instance()->get_one($query_params);
-    }
-
-
-    /**
-     * Gets all terms for 'espresso_event_categories' we can find
-     *
-     * @param array $query_params
-     * @return EE_Base_Class[]|EE_Term[]
-     * @throws EE_Error
-     */
-    public function get_all_event_categories($query_params = array())
-    {
-        $query_params[0]['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
-        $query_params[0]['Term_Taxonomy.Event.EVT_ID'] = $this->ID();
-        return EEM_Term::instance()->get_all($query_params);
-    }
-
-
-    /**
-     * Gets all the question groups, ordering them by QSG_order ascending
-     *
-     * @param array $query_params @see EEM_Base::get_all
-     * @return EE_Base_Class[]|EE_Question_Group[]
-     * @throws EE_Error
-     */
-    public function question_groups($query_params = array())
-    {
-        $query_params = !empty($query_params) ? $query_params : array('order_by' => array('QSG_order' => 'ASC'));
-        return $this->get_many_related('Question_Group', $query_params);
-    }
-
-
-    /**
-     * Implementation for EEI_Has_Icon interface method.
-     *
-     * @see EEI_Visual_Representation for comments
-     * @return string
-     */
-    public function get_icon()
-    {
-        return '<span class="dashicons dashicons-flag"></span>';
-    }
-
-
-    /**
-     * Implementation for EEI_Admin_Links interface method.
-     *
-     * @see EEI_Admin_Links for comments
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_details_link()
-    {
-        return $this->get_admin_edit_link();
-    }
-
-
-    /**
-     * Implementation for EEI_Admin_Links interface method.
-     *
-     * @see EEI_Admin_Links for comments
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_admin_edit_link()
-    {
-        return EEH_URL::add_query_args_and_nonce(array(
-            'page' => 'espresso_events',
-            'action' => 'edit',
-            'post' => $this->ID(),
-        ),
-            admin_url('admin.php')
-        );
-    }
-
-
-    /**
-     * Implementation for EEI_Admin_Links interface method.
-     *
-     * @see EEI_Admin_Links for comments
-     * @return string
-     */
-    public function get_admin_settings_link()
-    {
-        return EEH_URL::add_query_args_and_nonce(array(
-            'page' => 'espresso_events',
-            'action' => 'default_event_settings',
-        ),
-            admin_url('admin.php')
-        );
-    }
-
-
-    /**
-     * Implementation for EEI_Admin_Links interface method.
-     *
-     * @see EEI_Admin_Links for comments
-     * @return string
-     */
-    public function get_admin_overview_link()
-    {
-        return EEH_URL::add_query_args_and_nonce(array(
-            'page' => 'espresso_events',
-            'action' => 'default',
-        ),
-            admin_url('admin.php')
-        );
-    }
+	/**
+	 * cached value for the the logical active status for the event
+	 *
+	 * @see get_active_status()
+	 * @var string
+	 */
+	protected $_active_status = '';
+
+	/**
+	 * This is just used for caching the Primary Datetime for the Event on initial retrieval
+	 *
+	 * @var EE_Datetime
+	 */
+	protected $_Primary_Datetime;
+
+
+	/**
+	 * @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 $date_formats incoming date_formats in an array where the first value is the
+	 *                                        date_format and the second value is the time format
+	 * @return EE_Event
+	 * @throws EE_Error
+	 */
+	public static function new_instance($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 $timezone incoming timezone as set by the model.  If not set the timezone for
+	 *                                the website will be used.
+	 * @return EE_Event
+	 * @throws EE_Error
+	 */
+	public static function new_instance_from_db($props_n_values = array(), $timezone = null)
+	{
+		return new self($props_n_values, true, $timezone);
+	}
+
+
+	/**
+	 * Overrides parent set() method so that all calls to set( 'status', $status ) can be routed to internal methods
+	 *
+	 * @param string $field_name
+	 * @param mixed $field_value
+	 * @param bool $use_default
+	 * @throws EE_Error
+	 */
+	public function set($field_name, $field_value, $use_default = false)
+	{
+		switch ($field_name) {
+			case 'status' :
+				$this->set_status($field_value, $use_default);
+				break;
+			default :
+				parent::set($field_name, $field_value, $use_default);
+		}
+	}
+
+
+	/**
+	 *    set_status
+	 * Checks if event status is being changed to SOLD OUT
+	 * and updates event meta data with previous event status
+	 * so that we can revert things if/when the event is no longer sold out
+	 *
+	 * @access public
+	 * @param string $new_status
+	 * @param bool $use_default
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function set_status($new_status = null, $use_default = false)
+	{
+		// if nothing is set, and we aren't explicitly wanting to reset the status, then just leave
+		if (empty($new_status) && !$use_default) {
+			return;
+		}
+		// get current Event status
+		$old_status = $this->status();
+		// if status has changed
+		if ($old_status !== $new_status) {
+			// TO sold_out
+			if ($new_status === EEM_Event::sold_out) {
+				// save the previous event status so that we can revert if the event is no longer sold out
+				$this->add_post_meta('_previous_event_status', $old_status);
+				do_action('AHEE__EE_Event__set_status__to_sold_out', $this, $old_status, $new_status);
+				// OR FROM  sold_out
+			} else if ($old_status === EEM_Event::sold_out) {
+				$this->delete_post_meta('_previous_event_status');
+				do_action('AHEE__EE_Event__set_status__from_sold_out', $this, $old_status, $new_status);
+			}
+			// update status
+			parent::set('status', $new_status, $use_default);
+			do_action('AHEE__EE_Event__set_status__after_update', $this);
+			return;
+		}
+		// 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('status', $new_status, $use_default);
+	}
+
+
+	/**
+	 * Gets all the datetimes for this event
+	 *
+	 * @param array $query_params like EEM_Base::get_all
+	 * @return EE_Base_Class[]|EE_Datetime[]
+	 * @throws EE_Error
+	 */
+	public function datetimes($query_params = array())
+	{
+		return $this->get_many_related('Datetime', $query_params);
+	}
+
+
+	/**
+	 * Gets all the datetimes for this event, ordered by DTT_EVT_start in ascending order
+	 *
+	 * @return EE_Base_Class[]|EE_Datetime[]
+	 * @throws EE_Error
+	 */
+	public function datetimes_in_chronological_order()
+	{
+		return $this->get_many_related('Datetime', array('order_by' => array('DTT_EVT_start' => 'ASC')));
+	}
+
+
+	/**
+	 * Gets all the datetimes for this event, ordered by the DTT_order on the datetime.
+	 * @darren, we should probably UNSET timezone on the EEM_Datetime model
+	 * after running our query, so that this timezone isn't set for EVERY query
+	 * on EEM_Datetime for the rest of the request, no?
+	 *
+	 * @param boolean $show_expired whether or not to include expired events
+	 * @param boolean $show_deleted whether or not to include deleted events
+	 * @param null $limit
+	 * @return EE_Datetime[]
+	 * @throws EE_Error
+	 */
+	public function datetimes_ordered($show_expired = true, $show_deleted = false, $limit = null)
+	{
+		return EEM_Datetime::instance($this->_timezone)->get_datetimes_for_event_ordered_by_DTT_order(
+			$this->ID(),
+			$show_expired,
+			$show_deleted,
+			$limit
+		);
+	}
+
+
+	/**
+	 * Returns one related datetime. Mostly only used by some legacy code.
+	 *
+	 * @return EE_Base_Class|EE_Datetime
+	 * @throws EE_Error
+	 */
+	public function first_datetime()
+	{
+		return $this->get_first_related('Datetime');
+	}
+
+
+	/**
+	 * Returns the 'primary' datetime for the event
+	 *
+	 * @param bool $try_to_exclude_expired
+	 * @param bool $try_to_exclude_deleted
+	 * @return EE_Datetime
+	 * @throws EE_Error
+	 */
+	public function primary_datetime($try_to_exclude_expired = true, $try_to_exclude_deleted = true)
+	{
+		if (!empty ($this->_Primary_Datetime)) {
+			return $this->_Primary_Datetime;
+		}
+		$this->_Primary_Datetime = EEM_Datetime::instance($this->_timezone)->get_primary_datetime_for_event(
+			$this->ID(),
+			$try_to_exclude_expired,
+			$try_to_exclude_deleted
+		);
+		return $this->_Primary_Datetime;
+	}
+
+
+	/**
+	 * Gets all the tickets available for purchase of this event
+	 *
+	 * @param array $query_params like EEM_Base::get_all
+	 * @return EE_Base_Class[]|EE_Ticket[]
+	 * @throws EE_Error
+	 */
+	public function tickets($query_params = array())
+	{
+		//first get all datetimes
+		$datetimes = $this->datetimes_ordered();
+		if (!$datetimes) {
+			return array();
+		}
+		$datetime_ids = array();
+		foreach ($datetimes as $datetime) {
+			$datetime_ids[] = $datetime->ID();
+		}
+		$where_params = array('Datetime.DTT_ID' => array('IN', $datetime_ids));
+		//if incoming $query_params has where conditions let's merge but not override existing.
+		if (is_array($query_params) && isset($query_params[0])) {
+			$where_params = array_merge($query_params[0], $where_params);
+			unset($query_params[0]);
+		}
+		//now add $where_params to $query_params
+		$query_params[0] = $where_params;
+		return EEM_Ticket::instance()->get_all($query_params);
+	}
+
+
+	/**
+	 * get all unexpired untrashed tickets
+	 *
+	 * @return EE_Ticket[]
+	 * @throws EE_Error
+	 */
+	public function active_tickets()
+	{
+		return $this->tickets(array(
+			array(
+				'TKT_end_date' => array('>=', EEM_Ticket::instance()->current_time_for_query('TKT_end_date')),
+				'TKT_deleted' => false,
+			),
+		));
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function additional_limit()
+	{
+		return $this->get('EVT_additional_limit');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function allow_overflow()
+	{
+		return $this->get('EVT_allow_overflow');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function created()
+	{
+		return $this->get('EVT_created');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function description()
+	{
+		return $this->get('EVT_desc');
+	}
+
+
+	/**
+	 * Runs do_shortcode and wpautop on the description
+	 *
+	 * @return string of html
+	 * @throws EE_Error
+	 */
+	public function description_filtered()
+	{
+		return $this->get_pretty('EVT_desc');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function display_description()
+	{
+		return $this->get('EVT_display_desc');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function display_ticket_selector()
+	{
+		return (bool)$this->get('EVT_display_ticket_selector');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function external_url()
+	{
+		return $this->get('EVT_external_URL');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function member_only()
+	{
+		return $this->get('EVT_member_only');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function phone()
+	{
+		return $this->get('EVT_phone');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function modified()
+	{
+		return $this->get('EVT_modified');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function name()
+	{
+		return $this->get('EVT_name');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function order()
+	{
+		return $this->get('EVT_order');
+	}
+
+
+	/**
+	 * @return bool|string
+	 * @throws EE_Error
+	 */
+	public function default_registration_status()
+	{
+		$event_default_registration_status = $this->get('EVT_default_registration_status');
+		return !empty($event_default_registration_status)
+			? $event_default_registration_status
+			: EE_Registry::instance()->CFG->registration->default_STS_ID;
+	}
+
+
+	/**
+	 * @param int $num_words
+	 * @param null $more
+	 * @param bool $not_full_desc
+	 * @return bool|string
+	 * @throws EE_Error
+	 */
+	public function short_description($num_words = 55, $more = null, $not_full_desc = false)
+	{
+		$short_desc = $this->get('EVT_short_desc');
+		if (!empty($short_desc) || $not_full_desc) {
+			return $short_desc;
+		}
+		$full_desc = $this->get('EVT_desc');
+		return wp_trim_words($full_desc, $num_words, $more);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function slug()
+	{
+		return $this->get('EVT_slug');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function timezone_string()
+	{
+		return $this->get('EVT_timezone_string');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function visible_on()
+	{
+		return $this->get('EVT_visible_on');
+	}
+
+
+	/**
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function wp_user()
+	{
+		return $this->get('EVT_wp_user');
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function donations()
+	{
+		return $this->get('EVT_donations');
+	}
+
+
+	/**
+	 * @param $limit
+	 * @throws EE_Error
+	 */
+	public function set_additional_limit($limit)
+	{
+		$this->set('EVT_additional_limit', $limit);
+	}
+
+
+	/**
+	 * @param $created
+	 * @throws EE_Error
+	 */
+	public function set_created($created)
+	{
+		$this->set('EVT_created', $created);
+	}
+
+
+	/**
+	 * @param $desc
+	 * @throws EE_Error
+	 */
+	public function set_description($desc)
+	{
+		$this->set('EVT_desc', $desc);
+	}
+
+
+	/**
+	 * @param $display_desc
+	 * @throws EE_Error
+	 */
+	public function set_display_description($display_desc)
+	{
+		$this->set('EVT_display_desc', $display_desc);
+	}
+
+
+	/**
+	 * @param $display_ticket_selector
+	 * @throws EE_Error
+	 */
+	public function set_display_ticket_selector($display_ticket_selector)
+	{
+		$this->set('EVT_display_ticket_selector', $display_ticket_selector);
+	}
+
+
+	/**
+	 * @param $external_url
+	 * @throws EE_Error
+	 */
+	public function set_external_url($external_url)
+	{
+		$this->set('EVT_external_URL', $external_url);
+	}
+
+
+	/**
+	 * @param $member_only
+	 * @throws EE_Error
+	 */
+	public function set_member_only($member_only)
+	{
+		$this->set('EVT_member_only', $member_only);
+	}
+
+
+	/**
+	 * @param $event_phone
+	 * @throws EE_Error
+	 */
+	public function set_event_phone($event_phone)
+	{
+		$this->set('EVT_phone', $event_phone);
+	}
+
+
+	/**
+	 * @param $modified
+	 * @throws EE_Error
+	 */
+	public function set_modified($modified)
+	{
+		$this->set('EVT_modified', $modified);
+	}
+
+
+	/**
+	 * @param $name
+	 * @throws EE_Error
+	 */
+	public function set_name($name)
+	{
+		$this->set('EVT_name', $name);
+	}
+
+
+	/**
+	 * @param $order
+	 * @throws EE_Error
+	 */
+	public function set_order($order)
+	{
+		$this->set('EVT_order', $order);
+	}
+
+
+	/**
+	 * @param $short_desc
+	 * @throws EE_Error
+	 */
+	public function set_short_description($short_desc)
+	{
+		$this->set('EVT_short_desc', $short_desc);
+	}
+
+
+	/**
+	 * @param $slug
+	 * @throws EE_Error
+	 */
+	public function set_slug($slug)
+	{
+		$this->set('EVT_slug', $slug);
+	}
+
+
+	/**
+	 * @param $timezone_string
+	 * @throws EE_Error
+	 */
+	public function set_timezone_string($timezone_string)
+	{
+		$this->set('EVT_timezone_string', $timezone_string);
+	}
+
+
+	/**
+	 * @param $visible_on
+	 * @throws EE_Error
+	 */
+	public function set_visible_on($visible_on)
+	{
+		$this->set('EVT_visible_on', $visible_on);
+	}
+
+
+	/**
+	 * @param $wp_user
+	 * @throws EE_Error
+	 */
+	public function set_wp_user($wp_user)
+	{
+		$this->set('EVT_wp_user', $wp_user);
+	}
+
+
+	/**
+	 * @param $default_registration_status
+	 * @throws EE_Error
+	 */
+	public function set_default_registration_status($default_registration_status)
+	{
+		$this->set('EVT_default_registration_status', $default_registration_status);
+	}
+
+
+	/**
+	 * @param $donations
+	 * @throws EE_Error
+	 */
+	public function set_donations($donations)
+	{
+		$this->set('EVT_donations', $donations);
+	}
+
+
+	/**
+	 * Adds a venue to this event
+	 *
+	 * @param EE_Venue /int $venue_id_or_obj
+	 * @return EE_Base_Class|EE_Venue
+	 * @throws EE_Error
+	 */
+	public function add_venue($venue_id_or_obj)
+	{
+		return $this->_add_relation_to($venue_id_or_obj, 'Venue');
+	}
+
+
+	/**
+	 * Removes a venue from the event
+	 *
+	 * @param EE_Venue /int $venue_id_or_obj
+	 * @return EE_Base_Class|EE_Venue
+	 * @throws EE_Error
+	 */
+	public function remove_venue($venue_id_or_obj)
+	{
+		return $this->_remove_relation_to($venue_id_or_obj, 'Venue');
+	}
+
+
+	/**
+	 * Gets all the venues related ot the event. May provide additional $query_params if desired
+	 *
+	 * @param array $query_params like EEM_Base::get_all's $query_params
+	 * @return EE_Base_Class[]|EE_Venue[]
+	 * @throws EE_Error
+	 */
+	public function venues($query_params = array())
+	{
+		return $this->get_many_related('Venue', $query_params);
+	}
+
+
+	/**
+	 * check if event id is present and if event is published
+	 *
+	 * @access public
+	 * @return boolean true yes, false no
+	 * @throws EE_Error
+	 */
+	private function _has_ID_and_is_published()
+	{
+		// first check if event id is present and not NULL,
+		// then check if this event is published (or any of the equivalent "published" statuses)
+		return
+			$this->ID() && $this->ID() !== null
+			&& (
+				$this->status() === 'publish'
+				|| $this->status() === EEM_Event::sold_out
+				|| $this->status() === EEM_Event::postponed
+				|| $this->status() === EEM_Event::cancelled
+			);
+	}
+
+
+	/**
+	 * This simply compares the internal dates with NOW and determines if the event is upcoming or not.
+	 *
+	 * @access public
+	 * @return boolean true yes, false no
+	 * @throws EE_Error
+	 */
+	public function is_upcoming()
+	{
+		// check if event id is present and if this event is published
+		if ($this->is_inactive()) {
+			return false;
+		}
+		// set initial value
+		$upcoming = false;
+		//next let's get all datetimes and loop through them
+		$datetimes = $this->datetimes_in_chronological_order();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				//if this dtt is expired then we continue cause one of the other datetimes might be upcoming.
+				if ($datetime->is_expired()) {
+					continue;
+				}
+				//if this dtt is active then we return false.
+				if ($datetime->is_active()) {
+					return false;
+				}
+				//otherwise let's check upcoming status
+				$upcoming = $datetime->is_upcoming();
+			}
+		}
+		return $upcoming;
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function is_active()
+	{
+		// check if event id is present and if this event is published
+		if ($this->is_inactive()) {
+			return false;
+		}
+		// set initial value
+		$active = false;
+		//next let's get all datetimes and loop through them
+		$datetimes = $this->datetimes_in_chronological_order();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				//if this dtt is expired then we continue cause one of the other datetimes might be active.
+				if ($datetime->is_expired()) {
+					continue;
+				}
+				//if this dtt is upcoming then we return false.
+				if ($datetime->is_upcoming()) {
+					return false;
+				}
+				//otherwise let's check active status
+				$active = $datetime->is_active();
+			}
+		}
+		return $active;
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function is_expired()
+	{
+		// check if event id is present and if this event is published
+		if ($this->is_inactive()) {
+			return false;
+		}
+		// set initial value
+		$expired = false;
+		//first let's get all datetimes and loop through them
+		$datetimes = $this->datetimes_in_chronological_order();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				//if this dtt is upcoming or active then we return false.
+				if ($datetime->is_upcoming() || $datetime->is_active()) {
+					return false;
+				}
+				//otherwise let's check active status
+				$expired = $datetime->is_expired();
+			}
+		}
+		return $expired;
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function is_inactive()
+	{
+		// check if event id is present and if this event is published
+		if ($this->_has_ID_and_is_published()) {
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * calculate spaces remaining based on "saleable" tickets
+	 *
+	 * @param array $tickets
+	 * @param bool $filtered
+	 * @return int|float
+	 * @throws EE_Error
+	 */
+	public function spaces_remaining($tickets = array(), $filtered = true)
+	{
+		// get all unexpired untrashed tickets if nothing was passed
+		$tickets = !empty($tickets) ? $tickets : $this->active_tickets();
+		// set initial value
+		$spaces_remaining = 0;
+		if (!empty($tickets)) {
+			foreach ($tickets as $ticket) {
+				if ($ticket instanceof EE_Ticket) {
+					$spaces_remaining += $ticket->qty('saleable');
+				}
+			}
+		}
+		return $filtered
+			? apply_filters(
+				'FHEE_EE_Event__spaces_remaining',
+				$spaces_remaining,
+				$this,
+				$tickets
+			)
+			: $spaces_remaining;
+	}
+
+
+	/**
+	 *    perform_sold_out_status_check
+	 *    checks all of this events's datetime  reg_limit - sold values to determine if ANY datetimes have spaces available...
+	 *    if NOT, then the event status will get toggled to 'sold_out'
+	 *
+	 * @access public
+	 * @return bool    return the ACTUAL sold out state.
+	 * @throws EE_Error
+	 */
+	public function perform_sold_out_status_check()
+	{
+		// get all unexpired untrashed tickets
+		$tickets = $this->active_tickets();
+		// if all the tickets are just expired, then don't update the event status to sold out
+		if (empty($tickets)) {
+			return true;
+		}
+		$spaces_remaining = $this->spaces_remaining($tickets);
+		if ($spaces_remaining < 1) {
+			$this->set_status(EEM_Event::sold_out);
+			$this->save();
+			$sold_out = true;
+		} else {
+			$sold_out = false;
+			// was event previously marked as sold out ?
+			if ($this->status() === EEM_Event::sold_out) {
+				// revert status to previous value, if it was set
+				$previous_event_status = $this->get_post_meta('_previous_event_status', true);
+				if ($previous_event_status) {
+					$this->set_status($previous_event_status);
+					$this->save();
+				}
+			}
+		}
+		do_action('AHEE__EE_Event__perform_sold_out_status_check__end', $this, $sold_out, $spaces_remaining, $tickets);
+		return $sold_out;
+	}
+
+
+	/**
+	 * This returns the total remaining spaces for sale on this event.
+	 * ############################
+	 * VERY IMPORTANT FOR DEVELOPERS:
+	 * While included here, this method is still being tested internally, so its signature and behaviour COULD change.
+	 * While this comment block is in place, usage is at your own risk and know that it may change in future builds.
+	 * ############################
+	 *
+	 * @uses EE_Event::total_available_spaces()
+	 * @return float|int  (EE_INF is returned as float)
+	 * @throws InvalidArgumentException
+	 * @throws InvalidStatusException
+	 * @throws EE_Error
+	 */
+	public function spaces_remaining_for_sale()
+	{
+		//first get total available spaces including consideration for tickets that have already sold.
+		$spaces_available = $this->total_available_spaces(true);
+		//if total available = 0, then exit right away because that means everything is expired.
+		if ($spaces_available === 0) {
+			return 0;
+		}
+		//subtract total approved registrations from spaces available to get how many are remaining.
+		$spots_taken = EEM_Registration::instance()->event_reg_count_for_statuses($this->ID());
+		$spaces_remaining = $spaces_available - $spots_taken;
+		return $spaces_remaining > 0 ? $spaces_remaining : 0;
+	}
+
+
+	/**
+	 * This returns the total spaces available for an event while considering all the qtys on the tickets and the reg limits
+	 * on the datetimes attached to this event.
+	 * ############################
+	 * VERY IMPORTANT FOR DEVELOPERS:
+	 * While included here, this method is still being tested internally, so its signature and behaviour COULD change. While
+	 * this comment block is in place, usage is at your own risk and know that it may change in future builds.
+	 * ############################
+	 * Note: by "spaces available" we are not returning how many spaces remain.  That is a calculation involving using the value
+	 * from this method and subtracting the approved registrations for the event.
+	 *
+	 * @param   bool $current_total_available Whether to consider any tickets that have already sold in our calculation.
+	 *                                              If this is false, then we return the most tickets that could ever be sold
+	 *                                              for this event with the datetime and tickets setup on the event under optimal
+	 *                                              selling conditions.  Otherwise we return a live calculation of spaces available
+	 *                                              based on tickets sold.  Depending on setup and stage of sales, this
+	 *                                              may appear to equal remaining tickets.  However, the more tickets are
+	 *                                              sold out, the more accurate the "live" total is.
+	 * @return  int|float  (Note: if EE_INF is returned its considered a float by PHP)
+	 * @throws EE_Error
+	 */
+	public function total_available_spaces($current_total_available = false)
+	{
+		$spaces_available = 0;
+		//first get all tickets on the event and include expired tickets
+		$tickets = $this->tickets(array('default_where_conditions' => 'none'));
+		$ticket_sums = array();
+		$datetimes = array();
+		$datetime_limits = array();
+		//loop through tickets and normalize them
+		foreach ($tickets as $ticket) {
+			$datetimes = $ticket->datetimes(array('order_by' => array('DTT_reg_limit' => 'ASC')));
+			if (empty($datetimes)) {
+				continue;
+			}
+			//first datetime should be the lowest datetime
+			$least_datetime = reset($datetimes);
+			//lets reset the ticket quantity to be the lower of either the lowest datetime reg limit or the ticket quantity
+			//IF datetimes sold (and we're not doing current live total available, then use spaces remaining for datetime, not reg_limit.
+			if ($current_total_available) {
+				if ($ticket->is_remaining()) {
+					$remaining = $ticket->remaining();
+				} else {
+					$spaces_available += $ticket->sold();
+					//and we don't cache this ticket to our list because its sold out.
+					continue;
+				}
+			} else {
+				$remaining = min($ticket->qty(), $least_datetime->reg_limit());
+			}
+			//if $ticket_limit == infinity then let's drop out right away and just return that because any infinity amount trumps all other "available" amounts.
+			if ($remaining === EE_INF) {
+				return EE_INF;
+			}
+			//multiply normalized $tkt quantity by the number of datetimes on the ticket as the "sum"
+			//also include the sum of all the datetime reg limits on the ticket for breaking ties.
+			$ticket_sums[$ticket->ID()]['sum'] = $remaining * count($datetimes);
+			$ticket_sums[$ticket->ID()]['datetime_sums'] = 0;
+			foreach ($datetimes as $datetime) {
+				if ($datetime->reg_limit() === EE_INF) {
+					$ticket_sums[$ticket->ID()]['datetime_sums'] = EE_INF;
+				} else {
+					$ticket_sums[$ticket->ID()]['datetime_sums'] += $current_total_available
+						? $datetime->spaces_remaining()
+						: $datetime->reg_limit();
+				}
+				$datetime_limits[$datetime->ID()] = $current_total_available
+					? $datetime->spaces_remaining()
+					: $datetime->reg_limit();
+			}
+			$ticket_sums[$ticket->ID()]['ticket'] = $ticket;
+		}
+		//The order is sorted by lowest available first (which is calculated for each ticket by multiplying the normalized
+		//ticket quantity by the number of datetimes on the ticket).  For tie-breakers, then the next sort is based on the
+		//ticket with the greatest sum of all remaining datetime->spaces_remaining() ( or $datetime->reg_limit() if not
+		//$current_total_available ) for the datetimes on the ticket.
+		usort($ticket_sums, function ($a, $b) {
+			if ($a['sum'] === $b['sum']) {
+				if ($a['datetime_sums'] === $b['datetime_sums']) {
+					return 0;
+				}
+				return $a['datetime_sums'] < $b['datetime_sums'] ? 1 : -1;
+			}
+			return ($a['sum'] < $b['sum']) ? -1 : 1;
+		});
+		//now let's loop through the sorted tickets and simulate sellouts
+		foreach ($ticket_sums as $ticket_info) {
+			if ($ticket_info['ticket'] instanceof EE_Ticket) {
+				$datetimes = $ticket_info['ticket']->datetimes(array('order_by' => array('DTT_reg_limit' => 'ASC')));
+				//need to sort these $datetimes by remaining (only if $current_total_available)
+				//setup datetimes for simulation
+				$ticket_datetimes_remaining = array();
+				foreach ($datetimes as $datetime) {
+					$DTT_ID = $datetime->ID();
+					$ticket_datetimes_remaining[$DTT_ID]['rem'] = $datetime_limits[$DTT_ID];
+					$ticket_datetimes_remaining[$DTT_ID]['datetime'] = $datetime;
+				}
+				usort($ticket_datetimes_remaining, function ($a, $b) {
+					if ($a['rem'] === $b['rem']) {
+						return 0;
+					}
+					return ($a['rem'] < $b['rem']) ? -1 : 1;
+				});
+				//get the remaining on the first datetime (which should be the one with the least remaining) and that is
+				//what we add to the spaces_available running total.  Then we need to decrease the remaining on our datetime tracker.
+				$lowest_datetime = reset($ticket_datetimes_remaining);
+				//need to get the lower of; what the remaining is on the lowest datetime, and the remaining on the ticket.
+				// If this ends up being 0 (because of previous tickets in our simulation selling out), then it has already
+				// been tracked on $spaces available and this ticket is now sold out for the simulation, so we can continue
+				// to the next ticket.
+				if ($current_total_available) {
+					$remaining = min($lowest_datetime['rem'], $ticket_info['ticket']->remaining());
+				} else {
+					$remaining = min($lowest_datetime['rem'], $ticket_info['ticket']->qty());
+				}
+				//if $remaining is infinite that means that all datetimes on this ticket are infinite but we've made it here because all
+				//tickets have a quantity.  So we don't have to track datetimes, we can just use ticket quantities for total
+				//available.
+				if ($remaining === EE_INF) {
+					$spaces_available += $ticket_info['ticket']->qty();
+					continue;
+				}
+				//if ticket has sold amounts then we also need to add that (but only if doing live counts)
+				if ($current_total_available) {
+					$spaces_available += $ticket_info['ticket']->sold();
+				}
+				if ($remaining <= 0) {
+					continue;
+				}
+				$spaces_available += $remaining;
+				//loop through the datetimes and sell them out!
+				foreach ($ticket_datetimes_remaining as $datetime_info) {
+					if ($datetime_info['datetime'] instanceof EE_Datetime) {
+						$datetime_limits[$datetime_info['datetime']->ID()] += -$remaining;
+					}
+				}
+			}
+		}
+		return apply_filters(
+			'FHEE_EE_Event__total_available_spaces__spaces_available',
+			$spaces_available,
+			$this,
+			$datetimes,
+			$tickets
+		);
+	}
+
+
+	/**
+	 * Checks if the event is set to sold out
+	 *
+	 * @param  bool $actual whether or not to perform calculations to not only figure the
+	 *                      actual status but also to flip the status if necessary to sold
+	 *                      out If false, we just check the existing status of the event
+	 * @return boolean
+	 * @throws EE_Error
+	 */
+	public function is_sold_out($actual = false)
+	{
+		if (!$actual) {
+			return $this->status() === EEM_Event::sold_out;
+		}
+		return $this->perform_sold_out_status_check();
+	}
+
+
+	/**
+	 * Checks if the event is marked as postponed
+	 *
+	 * @return boolean
+	 */
+	public function is_postponed()
+	{
+		return $this->status() === EEM_Event::postponed;
+	}
+
+
+	/**
+	 * Checks if the event is marked as cancelled
+	 *
+	 * @return boolean
+	 */
+	public function is_cancelled()
+	{
+		return $this->status() === EEM_Event::cancelled;
+	}
+
+
+	/**
+	 * Get the logical active status in a hierarchical order for all the datetimes.  Note
+	 * Basically, we order the datetimes by EVT_start_date.  Then first test on whether the event is published.  If its
+	 * NOT published then we test for whether its expired or not.  IF it IS published then we test first on whether an
+	 * event has any active dates.  If no active dates then we check for any upcoming dates.  If no upcoming dates then
+	 * the event is considered expired.
+	 * NOTE: this method does NOT calculate whether the datetimes are sold out when event is published.  Sold Out is a status
+	 * set on the EVENT when it is not published and thus is done
+	 *
+	 * @param bool $reset
+	 * @return bool | string - based on EE_Datetime active constants or FALSE if error.
+	 * @throws EE_Error
+	 */
+	public function get_active_status($reset = false)
+	{
+		// if the active status has already been set, then just use that value (unless we are resetting it)
+		if (!empty($this->_active_status) && !$reset) {
+			return $this->_active_status;
+		}
+		//first check if event id is present on this object
+		if (!$this->ID()) {
+			return false;
+		}
+		$where_params_for_event = array(array('EVT_ID' => $this->ID()));
+		//if event is published:
+		if ($this->status() === 'publish') {
+			//active?
+			if (EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::active, $where_params_for_event) > 0) {
+				$this->_active_status = EE_Datetime::active;
+			} else {
+				//upcoming?
+				if (EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::upcoming, $where_params_for_event) > 0) {
+					$this->_active_status = EE_Datetime::upcoming;
+				} else {
+					//expired?
+					if (
+						EEM_Datetime::instance()->get_datetime_count_for_status(EE_Datetime::expired, $where_params_for_event) > 0
+					) {
+						$this->_active_status = EE_Datetime::expired;
+					} else {
+						//it would be odd if things make it this far because it basically means there are no datetime's
+						//attached to the event.  So in this case it will just be considered inactive.
+						$this->_active_status = EE_Datetime::inactive;
+					}
+				}
+			}
+		} else {
+			//the event is not published, so let's just set it's active status according to its' post status
+			switch ($this->status()) {
+				case EEM_Event::sold_out :
+					$this->_active_status = EE_Datetime::sold_out;
+					break;
+				case EEM_Event::cancelled :
+					$this->_active_status = EE_Datetime::cancelled;
+					break;
+				case EEM_Event::postponed :
+					$this->_active_status = EE_Datetime::postponed;
+					break;
+				default :
+					$this->_active_status = EE_Datetime::inactive;
+			}
+		}
+		return $this->_active_status;
+	}
+
+
+	/**
+	 *    pretty_active_status
+	 *
+	 * @access public
+	 * @param boolean $echo whether to return (FALSE), or echo out the result (TRUE)
+	 * @return mixed void|string
+	 * @throws EE_Error
+	 */
+	public function pretty_active_status($echo = true)
+	{
+		$active_status = $this->get_active_status();
+		$status = '<span class="ee-status event-active-status-'
+			. $active_status
+			. '">'
+			. EEH_Template::pretty_status($active_status, false, 'sentence')
+			. '</span>';
+		if ($echo) {
+			echo $status;
+			return '';
+		}
+		return $status;
+	}
+
+
+	/**
+	 * @return bool|int
+	 * @throws EE_Error
+	 */
+	public function get_number_of_tickets_sold()
+	{
+		$tkt_sold = 0;
+		if (!$this->ID()) {
+			return 0;
+		}
+		$datetimes = $this->datetimes();
+		foreach ($datetimes as $datetime) {
+			if ($datetime instanceof EE_Datetime) {
+				$tkt_sold += $datetime->sold();
+			}
+		}
+		return $tkt_sold;
+	}
+
+
+	/**
+	 * This just returns a count of all the registrations for this event
+	 *
+	 * @access  public
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function get_count_of_all_registrations()
+	{
+		return EEM_Event::instance()->count_related($this, 'Registration');
+	}
+
+
+	/**
+	 * This returns the ticket with the earliest start time that is
+	 * available for this event (across all datetimes attached to the event)
+	 *
+	 * @return EE_Base_Class|EE_Ticket|null
+	 * @throws EE_Error
+	 */
+	public function get_ticket_with_earliest_start_time()
+	{
+		$where['Datetime.EVT_ID'] = $this->ID();
+		$query_params = array($where, 'order_by' => array('TKT_start_date' => 'ASC'));
+		return EE_Registry::instance()->load_model('Ticket')->get_one($query_params);
+	}
+
+
+	/**
+	 * This returns the ticket with the latest end time that is available
+	 * for this event (across all datetimes attached to the event)
+	 *
+	 * @return EE_Base_Class|EE_Ticket|null
+	 * @throws EE_Error
+	 */
+	public function get_ticket_with_latest_end_time()
+	{
+		$where['Datetime.EVT_ID'] = $this->ID();
+		$query_params = array($where, 'order_by' => array('TKT_end_date' => 'DESC'));
+		return EE_Registry::instance()->load_model('Ticket')->get_one($query_params);
+	}
+
+
+	/**
+	 * This returns whether there are any tickets on sale for this event.
+	 *
+	 * @return bool true = YES tickets on sale.
+	 * @throws EE_Error
+	 */
+	public function tickets_on_sale()
+	{
+		$earliest_ticket = $this->get_ticket_with_earliest_start_time();
+		$latest_ticket = $this->get_ticket_with_latest_end_time();
+		if (!$latest_ticket instanceof EE_Ticket && !$earliest_ticket instanceof EE_Ticket) {
+			return false;
+		}
+		//check on sale for these two tickets.
+		if ($latest_ticket->is_on_sale() || $earliest_ticket->is_on_sale()) {
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Gets the URL for viewing this event on the front-end. Overrides parent
+	 * to check for an external URL first
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_permalink()
+	{
+		if ($this->external_url()) {
+			return $this->external_url();
+		}
+		return parent::get_permalink();
+	}
+
+
+	/**
+	 * Gets the first term for 'espresso_event_categories' we can find
+	 *
+	 * @param array $query_params like EEM_Base::get_all
+	 * @return EE_Base_Class|EE_Term|null
+	 * @throws EE_Error
+	 */
+	public function first_event_category($query_params = array())
+	{
+		$query_params[0]['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
+		$query_params[0]['Term_Taxonomy.Event.EVT_ID'] = $this->ID();
+		return EEM_Term::instance()->get_one($query_params);
+	}
+
+
+	/**
+	 * Gets all terms for 'espresso_event_categories' we can find
+	 *
+	 * @param array $query_params
+	 * @return EE_Base_Class[]|EE_Term[]
+	 * @throws EE_Error
+	 */
+	public function get_all_event_categories($query_params = array())
+	{
+		$query_params[0]['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
+		$query_params[0]['Term_Taxonomy.Event.EVT_ID'] = $this->ID();
+		return EEM_Term::instance()->get_all($query_params);
+	}
+
+
+	/**
+	 * Gets all the question groups, ordering them by QSG_order ascending
+	 *
+	 * @param array $query_params @see EEM_Base::get_all
+	 * @return EE_Base_Class[]|EE_Question_Group[]
+	 * @throws EE_Error
+	 */
+	public function question_groups($query_params = array())
+	{
+		$query_params = !empty($query_params) ? $query_params : array('order_by' => array('QSG_order' => 'ASC'));
+		return $this->get_many_related('Question_Group', $query_params);
+	}
+
+
+	/**
+	 * Implementation for EEI_Has_Icon interface method.
+	 *
+	 * @see EEI_Visual_Representation for comments
+	 * @return string
+	 */
+	public function get_icon()
+	{
+		return '<span class="dashicons dashicons-flag"></span>';
+	}
+
+
+	/**
+	 * Implementation for EEI_Admin_Links interface method.
+	 *
+	 * @see EEI_Admin_Links for comments
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_details_link()
+	{
+		return $this->get_admin_edit_link();
+	}
+
+
+	/**
+	 * Implementation for EEI_Admin_Links interface method.
+	 *
+	 * @see EEI_Admin_Links for comments
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_admin_edit_link()
+	{
+		return EEH_URL::add_query_args_and_nonce(array(
+			'page' => 'espresso_events',
+			'action' => 'edit',
+			'post' => $this->ID(),
+		),
+			admin_url('admin.php')
+		);
+	}
+
+
+	/**
+	 * Implementation for EEI_Admin_Links interface method.
+	 *
+	 * @see EEI_Admin_Links for comments
+	 * @return string
+	 */
+	public function get_admin_settings_link()
+	{
+		return EEH_URL::add_query_args_and_nonce(array(
+			'page' => 'espresso_events',
+			'action' => 'default_event_settings',
+		),
+			admin_url('admin.php')
+		);
+	}
+
+
+	/**
+	 * Implementation for EEI_Admin_Links interface method.
+	 *
+	 * @see EEI_Admin_Links for comments
+	 * @return string
+	 */
+	public function get_admin_overview_link()
+	{
+		return EEH_URL::add_query_args_and_nonce(array(
+			'page' => 'espresso_events',
+			'action' => 'default',
+		),
+			admin_url('admin.php')
+		);
+	}
 
 }

Spacing +17 added lines, -17 removed lines

@@ -1,6 +1,6 @@ 
 <?php use EventEspresso\core\exceptions\InvalidStatusException;
 
-if (!defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('No direct script access allowed');
 }
 
@@ -95,7 +95,7 @@ 
     public function set_status($new_status = null, $use_default = false)
     {
         // if nothing is set, and we aren't explicitly wanting to reset the status, then just leave
-        if (empty($new_status) && !$use_default) {
+        if (empty($new_status) && ! $use_default) {
             return;
         }
         // get current Event status
@@ -193,7 +193,7 @@ 
      */
     public function primary_datetime($try_to_exclude_expired = true, $try_to_exclude_deleted = true)
     {
-        if (!empty ($this->_Primary_Datetime)) {
+        if ( ! empty ($this->_Primary_Datetime)) {
             return $this->_Primary_Datetime;
         }
         $this->_Primary_Datetime = EEM_Datetime::instance($this->_timezone)->get_primary_datetime_for_event(
@@ -216,7 +216,7 @@ 
     {
         //first get all datetimes
         $datetimes = $this->datetimes_ordered();
-        if (!$datetimes) {
+        if ( ! $datetimes) {
             return array();
         }
         $datetime_ids = array();
@@ -320,7 +320,7 @@ 
      */
     public function display_ticket_selector()
     {
-        return (bool)$this->get('EVT_display_ticket_selector');
+        return (bool) $this->get('EVT_display_ticket_selector');
     }
 
 
@@ -391,7 +391,7 @@ 
     public function default_registration_status()
     {
         $event_default_registration_status = $this->get('EVT_default_registration_status');
-        return !empty($event_default_registration_status)
+        return ! empty($event_default_registration_status)
             ? $event_default_registration_status
             : EE_Registry::instance()->CFG->registration->default_STS_ID;
     }
@@ -407,7 +407,7 @@ 
     public function short_description($num_words = 55, $more = null, $not_full_desc = false)
     {
         $short_desc = $this->get('EVT_short_desc');
-        if (!empty($short_desc) || $not_full_desc) {
+        if ( ! empty($short_desc) || $not_full_desc) {
             return $short_desc;
         }
         $full_desc = $this->get('EVT_desc');
@@ -826,10 +826,10 @@ 
     public function spaces_remaining($tickets = array(), $filtered = true)
     {
         // get all unexpired untrashed tickets if nothing was passed
-        $tickets = !empty($tickets) ? $tickets : $this->active_tickets();
+        $tickets = ! empty($tickets) ? $tickets : $this->active_tickets();
         // set initial value
         $spaces_remaining = 0;
-        if (!empty($tickets)) {
+        if ( ! empty($tickets)) {
             foreach ($tickets as $ticket) {
                 if ($ticket instanceof EE_Ticket) {
                     $spaces_remaining += $ticket->qty('saleable');
@@ -991,7 +991,7 @@ 
         //ticket quantity by the number of datetimes on the ticket).  For tie-breakers, then the next sort is based on the
         //ticket with the greatest sum of all remaining datetime->spaces_remaining() ( or $datetime->reg_limit() if not
         //$current_total_available ) for the datetimes on the ticket.
-        usort($ticket_sums, function ($a, $b) {
+        usort($ticket_sums, function($a, $b) {
             if ($a['sum'] === $b['sum']) {
                 if ($a['datetime_sums'] === $b['datetime_sums']) {
                     return 0;
@@ -1012,7 +1012,7 @@ 
                     $ticket_datetimes_remaining[$DTT_ID]['rem'] = $datetime_limits[$DTT_ID];
                     $ticket_datetimes_remaining[$DTT_ID]['datetime'] = $datetime;
                 }
-                usort($ticket_datetimes_remaining, function ($a, $b) {
+                usort($ticket_datetimes_remaining, function($a, $b) {
                     if ($a['rem'] === $b['rem']) {
                         return 0;
                     }
@@ -1074,7 +1074,7 @@ 
      */
     public function is_sold_out($actual = false)
     {
-        if (!$actual) {
+        if ( ! $actual) {
             return $this->status() === EEM_Event::sold_out;
         }
         return $this->perform_sold_out_status_check();
@@ -1119,11 +1119,11 @@ 
     public function get_active_status($reset = false)
     {
         // if the active status has already been set, then just use that value (unless we are resetting it)
-        if (!empty($this->_active_status) && !$reset) {
+        if ( ! empty($this->_active_status) && ! $reset) {
             return $this->_active_status;
         }
         //first check if event id is present on this object
-        if (!$this->ID()) {
+        if ( ! $this->ID()) {
             return false;
         }
         $where_params_for_event = array(array('EVT_ID' => $this->ID()));
@@ -1200,7 +1200,7 @@ 
     public function get_number_of_tickets_sold()
     {
         $tkt_sold = 0;
-        if (!$this->ID()) {
+        if ( ! $this->ID()) {
             return 0;
         }
         $datetimes = $this->datetimes();
@@ -1266,7 +1266,7 @@ 
     {
         $earliest_ticket = $this->get_ticket_with_earliest_start_time();
         $latest_ticket = $this->get_ticket_with_latest_end_time();
-        if (!$latest_ticket instanceof EE_Ticket && !$earliest_ticket instanceof EE_Ticket) {
+        if ( ! $latest_ticket instanceof EE_Ticket && ! $earliest_ticket instanceof EE_Ticket) {
             return false;
         }
         //check on sale for these two tickets.
@@ -1332,7 +1332,7 @@ 
      */
     public function question_groups($query_params = array())
     {
-        $query_params = !empty($query_params) ? $query_params : array('order_by' => array('QSG_order' => 'ASC'));
+        $query_params = ! empty($query_params) ? $query_params : array('order_by' => array('QSG_order' => 'ASC'));
         return $this->get_many_related('Question_Group', $query_params);
     }
 

core/db_models/EEM_Registration.model.php

Doc Comments +1 added lines, -1 removed lines

@@ -467,7 +467,7 @@
      * @param    int $ATT_ID
      * @param    int $att_nmbr in case the ATT_ID is the same for multiple registrations (same details used) then the
      *                         attendee number is required
-     * @return        mixed        array on success, FALSE on fail
+     * @return        null|EE_Base_Class        array on success, FALSE on fail
      * @throws EE_Error
      */
     public function get_registration_for_transaction_attendee($TXN_ID = 0, $ATT_ID = 0, $att_nmbr = 0)

Unused Use Statements -1 removed lines

@@ -1,5 +1,4 @@
 <?php
-use EventEspresso\core\exceptions\InvalidIdentifierException;
 use EventEspresso\core\exceptions\InvalidStatusException;
 use EventEspresso\core\services\database\TableAnalysis;
 

Spacing +29 added lines, -29 removed lines

@@ -3,7 +3,7 @@ 
 use EventEspresso\core\exceptions\InvalidStatusException;
 use EventEspresso\core\services\database\TableAnalysis;
 
-if (!defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('No direct script access allowed');
 }
 
@@ -371,13 +371,13 @@ 
         //and the table hasn't actually been created, this could have an error
         /** @type WPDB $wpdb */
         global $wpdb;
-        if ($this->_get_table_analysis()->tableExists($wpdb->prefix . 'esp_status')) {
+        if ($this->_get_table_analysis()->tableExists($wpdb->prefix.'esp_status')) {
             $results = $wpdb->get_results(
                 "SELECT STS_ID, STS_code FROM {$wpdb->prefix}esp_status WHERE STS_type = 'registration'"
             );
             self::$_reg_status = array();
             foreach ($results as $status) {
-                if (!in_array($status->STS_ID, $exclude, true)) {
+                if ( ! in_array($status->STS_ID, $exclude, true)) {
                     self::$_reg_status[$status->STS_ID] = $status->STS_code;
                 }
             }
@@ -435,7 +435,7 @@ 
      */
     public function get_all_registrations_for_attendee($ATT_ID = 0)
     {
-        if (!$ATT_ID) {
+        if ( ! $ATT_ID) {
             return null;
         }
         return $this->get_all(array(array('ATT_ID' => $ATT_ID)));
@@ -452,7 +452,7 @@ 
      */
     public function get_registration_for_reg_url_link($REG_url_link)
     {
-        if (!$REG_url_link) {
+        if ( ! $REG_url_link) {
             return null;
         }
         return $this->get_one(array(array('REG_url_link' => $REG_url_link)));
@@ -499,7 +499,7 @@ 
             'REG_date' => array('>=', $sql_date),
             'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
         );
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_day_report')) {
+        if ( ! EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_day_report')) {
             $where['Event.EVT_wp_user'] = get_current_user_id();
         }
         $query_interval = EEH_DTT_Helper::get_sql_query_interval_for_offset($this->get_timezone(), 'REG_date');
@@ -511,7 +511,7 @@ 
             ),
             OBJECT,
             array(
-                'regDate' => array('DATE(' . $query_interval . ')', '%s'),
+                'regDate' => array('DATE('.$query_interval.')', '%s'),
                 'total' => array('count(REG_ID)', '%d'),
             ));
         return $results;
@@ -530,7 +530,7 @@ 
     public function get_registrations_per_day_and_per_status_report($period = '-1 month')
     {
         global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
+        $registration_table = $wpdb->prefix.'esp_registration';
         $event_table = $wpdb->posts;
         $sql_date = date('Y-m-d H:i:s', strtotime($period));
         //prepare the query interval for displaying offset
@@ -539,9 +539,9 @@ 
         $inner_date_query = "SELECT DISTINCT REG_date from {$registration_table} ";
         $inner_where = ' WHERE';
         //exclude events not authored by user if permissions in effect
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
+        if ( ! EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
             $inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
-            $inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
+            $inner_where .= ' post_author = '.get_current_user_id().' AND';
         }
         $inner_where .= " REG_date >= '{$sql_date}'";
         $inner_date_query .= $inner_where;
@@ -564,7 +564,7 @@ 
         //setup the joins
         $join .= implode(' LEFT JOIN ', $join_parts);
         //now let's put it all together
-        $query = $select . $join . ' GROUP BY Registration_REG_date';
+        $query = $select.$join.' GROUP BY Registration_REG_date';
         //and execute it
         return $wpdb->get_results($query, ARRAY_A);
     }
@@ -587,7 +587,7 @@ 
             'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
         );
         if (
-        !EE_Registry::instance()->CAP->current_user_can(
+        ! EE_Registry::instance()->CAP->current_user_can(
             'ee_read_others_registrations',
             'reg_per_event_report'
         )
@@ -622,16 +622,16 @@ 
     public function get_registrations_per_event_and_per_status_report($period = '-1 month')
     {
         global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
+        $registration_table = $wpdb->prefix.'esp_registration';
         $event_table = $wpdb->posts;
         $sql_date = date('Y-m-d H:i:s', strtotime($period));
         //inner date query
         $inner_date_query = "SELECT DISTINCT EVT_ID, REG_date from $registration_table ";
         $inner_where = ' WHERE';
         //exclude events not authored by user if permissions in effect
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
+        if ( ! EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
             $inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
-            $inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
+            $inner_where .= ' post_author = '.get_current_user_id().' AND';
         }
         $inner_where .= " REG_date >= '{$sql_date}'";
         $inner_date_query .= $inner_where;
@@ -654,7 +654,7 @@ 
         //setup remaining joins
         $join .= implode(' LEFT JOIN ', $join_parts);
         //now put it all together
-        $query = $select . $join . ' GROUP BY Registration_Event';
+        $query = $select.$join.' GROUP BY Registration_Event';
         //and execute
         return $wpdb->get_results($query, ARRAY_A);
     }
@@ -669,7 +669,7 @@ 
      */
     public function get_primary_registration_for_transaction_ID($TXN_ID = 0)
     {
-        if (!$TXN_ID) {
+        if ( ! $TXN_ID) {
             return null;
         }
         return $this->get_one(array(
@@ -737,11 +737,11 @@ 
         $query = $wpdb->prepare(
             'SELECT '
             . 'COUNT( DISTINCT checkins.REG_ID ) '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
+            . 'FROM '.EEM_Checkin::instance()->table().' AS checkins INNER JOIN'
             . '( SELECT '
             . 'max( CHK_timestamp ) AS latest_checkin, '
             . 'REG_ID AS REG_ID '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' '
+            . 'FROM '.EEM_Checkin::instance()->table().' '
             . 'WHERE DTT_ID=%d '
             . 'GROUP BY REG_ID'
             . ') AS most_recent_checkin_per_reg '
@@ -752,7 +752,7 @@ 
             $DTT_ID,
             $checked_in
         );
-        return (int)$wpdb->get_var($query);
+        return (int) $wpdb->get_var($query);
     }
 
 
@@ -771,12 +771,12 @@ 
         $query = $wpdb->prepare(
             'SELECT '
             . 'COUNT( DISTINCT checkins.REG_ID ) '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
+            . 'FROM '.EEM_Checkin::instance()->table().' AS checkins INNER JOIN'
             . '( SELECT '
             . 'max( CHK_timestamp ) AS latest_checkin, '
             . 'REG_ID AS REG_ID '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS c '
-            . 'INNER JOIN ' . EEM_Datetime::instance()->table() . ' AS d '
+            . 'FROM '.EEM_Checkin::instance()->table().' AS c '
+            . 'INNER JOIN '.EEM_Datetime::instance()->table().' AS d '
             . 'ON c.DTT_ID=d.DTT_ID '
             . 'WHERE d.EVT_ID=%d '
             . 'GROUP BY REG_ID'
@@ -788,7 +788,7 @@ 
             $EVT_ID,
             $checked_in
         );
-        return (int)$wpdb->get_var($query);
+        return (int) $wpdb->get_var($query);
     }
 
 
@@ -805,11 +805,11 @@ 
     {
         //first do a native wp_query to get the latest REG_ID's matching these attendees.
         global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
+        $registration_table = $wpdb->prefix.'esp_registration';
         $attendee_table = $wpdb->posts;
         $attendee_ids = is_array($attendee_ids)
             ? array_map('absint', $attendee_ids)
-            : array((int)$attendee_ids);
+            : array((int) $attendee_ids);
         $ATT_IDs = implode(',', $attendee_ids);
         // first we do a query to get the registration ids
         // (because a group by before order by causes the order by to be ignored.)
@@ -857,10 +857,10 @@ 
      * @throws InvalidStatusException
      * @throws EE_Error
      */
-    public function event_reg_count_for_statuses($EVT_ID, $statuses = array() )
+    public function event_reg_count_for_statuses($EVT_ID, $statuses = array())
     {
         $EVT_ID = absint($EVT_ID);
-        if (! $EVT_ID) {
+        if ( ! $EVT_ID) {
             throw new InvalidArgumentException(
                 esc_html__('An invalid Event ID was supplied.', 'event_espresso')
             );
@@ -868,7 +868,7 @@ 
         $statuses = ! empty($statuses) ? $statuses : array(EEM_Registration::status_id_approved);
         $valid_reg_statuses = EEM_Registration::reg_statuses();
         foreach ($statuses as $status) {
-            if(! in_array($status, $valid_reg_statuses, true)) {
+            if ( ! in_array($status, $valid_reg_statuses, true)) {
                 throw new InvalidStatusException($status, esc_html__('Registration', 'event_espresso'));
             }
         }

Indentation +854 added lines, -854 removed lines

@@ -4,7 +4,7 @@ 
 use EventEspresso\core\services\database\TableAnalysis;
 
 if (!defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -18,802 +18,802 @@ 
 class EEM_Registration extends EEM_Soft_Delete_Base
 {
 
-    /**
-     * @var EEM_Registration $_instance
-     */
-    protected static $_instance;
-
-    /**
-     * Keys are the status IDs for registrations (eg, RAP, RCN, etc), and the values
-     * are status codes (eg, approved, cancelled, etc)
-     *
-     * @var array
-     */
-    private static $_reg_status;
-
-    /**
-     * The value of REG_count for a primary registrant
-     */
-    const PRIMARY_REGISTRANT_COUNT = 1;
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate an INCOMPLETE registration.
-     * Initial status for registrations when they are first created
-     * Payments are NOT allowed.
-     * Automatically toggled to whatever the default Event registration status is upon completion of the attendee
-     * information reg step NO space reserved. Registration is NOT active
-     */
-    const status_id_incomplete = 'RIC';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate an UNAPPROVED registration.
-     * Payments are NOT allowed.
-     * Event Admin must manually toggle STS_ID for it to change
-     * No space reserved.
-     * Registration is active
-     */
-    const status_id_not_approved = 'RNA';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate registration is PENDING_PAYMENT .
-     * Payments are allowed.
-     * STS_ID will automatically be toggled to RAP if payment is made in full by the attendee
-     * No space reserved.
-     * Registration is active
-     */
-    const status_id_pending_payment = 'RPP';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate registration is on the WAIT_LIST .
-     * Payments are allowed.
-     * STS_ID will automatically be toggled to RAP if payment is made in full by the attendee
-     * No space reserved.
-     * Registration is active
-     */
-    const status_id_wait_list = 'RWL';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate an APPROVED registration.
-     * the TXN may or may not be completed ( paid in full )
-     * Payments are allowed.
-     * A space IS reserved.
-     * Registration is active
-     */
-    const status_id_approved = 'RAP';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate a registration was CANCELLED by the attendee.
-     * Payments are NOT allowed.
-     * NO space reserved.
-     * Registration is NOT active
-     */
-    const status_id_cancelled = 'RCN';
-
-    /**
-     * Status ID (STS_ID on esp_status table) to indicate a registration was DECLINED by the Event Admin
-     * Payments are NOT allowed.
-     * No space reserved.
-     * Registration is NOT active
-     */
-    const status_id_declined = 'RDC';
-
-    /**
-     * @var TableAnalysis $table_analysis
-     */
-    protected $_table_analysis;
-
-
-    /**
-     *    private constructor to prevent direct creation
-     *
-     * @Constructor
-     * @access protected
-     * @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and any
-     *                         incoming timezone data that gets saved). Note this just sends the timezone info to the
-     *                         date time model field objects.  Default is NULL (and will be assumed using the set
-     *                         timezone in the 'timezone_string' wp option)
-     * @throws EE_Error
-     */
-    protected function __construct($timezone = null)
-    {
-        $this->_table_analysis = EE_Registry::instance()->create('TableAnalysis', array(), true);
-        $this->singular_item = esc_html__('Registration', 'event_espresso');
-        $this->plural_item = esc_html__('Registrations', 'event_espresso');
-        $this->_tables = array(
-            'Registration' => new EE_Primary_Table('esp_registration', 'REG_ID'),
-        );
-        $this->_fields = array(
-            'Registration' => array(
-                'REG_ID' => new EE_Primary_Key_Int_Field(
-                    'REG_ID',
-                    esc_html__('Registration ID', 'event_espresso')
-                ),
-                'EVT_ID' => new EE_Foreign_Key_Int_Field(
-                    'EVT_ID',
-                    esc_html__('Event ID', 'event_espresso'),
-                    false,
-                    0,
-                    'Event'
-                ),
-                'ATT_ID' => new EE_Foreign_Key_Int_Field(
-                    'ATT_ID',
-                    esc_html__('Attendee ID', 'event_espresso'),
-                    false,
-                    0,
-                    'Attendee'
-                ),
-                'TXN_ID' => new EE_Foreign_Key_Int_Field(
-                    'TXN_ID',
-                    esc_html__('Transaction ID', 'event_espresso'),
-                    false, 0, 'Transaction'
-                ),
-                'TKT_ID' => new EE_Foreign_Key_Int_Field(
-                    'TKT_ID',
-                    esc_html__('Ticket ID', 'event_espresso'),
-                    false,
-                    0, 'Ticket'
-                ),
-                'STS_ID' => new EE_Foreign_Key_String_Field(
-                    'STS_ID',
-                    esc_html__('Status ID', 'event_espresso'),
-                    false,
-                    EEM_Registration::status_id_incomplete,
-                    'Status'
-                ),
-                'REG_date' => new EE_Datetime_Field(
-                    'REG_date',
-                    esc_html__('Time registration occurred', 'event_espresso'),
-                    false,
-                    EE_Datetime_Field::now,
-                    $timezone
-                ),
-                'REG_final_price' => new EE_Money_Field(
-                    'REG_final_price',
-                    esc_html__('Registration\'s share of the transaction total', 'event_espresso'),
-                    false,
-                    0
-                ),
-                'REG_paid' => new EE_Money_Field(
-                    'REG_paid',
-                    esc_html__('Amount paid to date towards registration', 'event_espresso'),
-                    false,
-                    0
-                ),
-                'REG_session' => new EE_Plain_Text_Field(
-                    'REG_session',
-                    esc_html__('Session ID of registration', 'event_espresso'),
-                    false,
-                    ''
-                ),
-                'REG_code' => new EE_Plain_Text_Field(
-                    'REG_code',
-                    esc_html__('Unique Code for this registration', 'event_espresso'),
-                    false,
-                    ''
-                ),
-                'REG_url_link' => new EE_Plain_Text_Field(
-                    'REG_url_link',
-                    esc_html__('String to be used in URL for identifying registration', 'event_espresso'),
-                    false,
-                    ''
-                ),
-                'REG_count' => new EE_Integer_Field(
-                    'REG_count',
-                    esc_html__('Count of this registration in the group registration ', 'event_espresso'),
-                    true,
-                    1
-                ),
-                'REG_group_size' => new EE_Integer_Field(
-                    'REG_group_size',
-                    esc_html__('Number of registrations on this group', 'event_espresso'),
-                    false,
-                    1
-                ),
-                'REG_att_is_going' => new EE_Boolean_Field(
-                    'REG_att_is_going',
-                    esc_html__('Flag indicating the registrant plans on attending', 'event_espresso'),
-                    false,
-                    false
-                ),
-                'REG_deleted' => new EE_Trashed_Flag_Field(
-                    'REG_deleted',
-                    esc_html__('Flag indicating if registration has been archived or not.', 'event_espresso'),
-                    false,
-                    false
-                ),
-            ),
-        );
-        $this->_model_relations = array(
-            'Event' => new EE_Belongs_To_Relation(),
-            'Attendee' => new EE_Belongs_To_Relation(),
-            'Transaction' => new EE_Belongs_To_Relation(),
-            'Ticket' => new EE_Belongs_To_Relation(),
-            'Status' => new EE_Belongs_To_Relation(),
-            'Answer' => new EE_Has_Many_Relation(),
-            'Checkin' => new EE_Has_Many_Relation(),
-            'Registration_Payment' => new EE_Has_Many_Relation(),
-            'Payment' => new EE_HABTM_Relation('Registration_Payment'),
-            'Message' => new EE_Has_Many_Any_Relation(false)
-            //allow deletes even if there are messages in the queue related
-        );
-        $this->_model_chain_to_wp_user = 'Event';
-        parent::__construct($timezone);
-    }
-
-
-    /**
-     * a list of ALL valid registration statuses currently in use within the system
-     * generated by combining the filterable active and inactive reg status arrays
-     *
-     * @return array
-     */
-    public static function reg_statuses()
-    {
-        return array_unique(
-            array_merge(
-                EEM_Registration::active_reg_statuses(),
-                EEM_Registration::inactive_reg_statuses()
-            )
-        );
-    }
-
-
-    /**
-     * reg_statuses_that_allow_payment
-     * a filterable list of registration statuses that allow a registrant to make a payment
-     *
-     * @access public
-     * @return array
-     */
-    public static function reg_statuses_that_allow_payment()
-    {
-        return apply_filters(
-            'FHEE__EEM_Registration__reg_statuses_that_allow_payment',
-            array(
-                EEM_Registration::status_id_approved,
-                EEM_Registration::status_id_pending_payment,
-            )
-        );
-    }
-
-
-    /**
-     * active_reg_statuses
-     * a filterable list of registration statuses that are considered active
-     *
-     * @access public
-     * @return array
-     */
-    public static function active_reg_statuses()
-    {
-        return apply_filters(
-            'FHEE__EEM_Registration__active_reg_statuses',
-            array(
-                EEM_Registration::status_id_approved,
-                EEM_Registration::status_id_pending_payment,
-                EEM_Registration::status_id_wait_list,
-                EEM_Registration::status_id_not_approved,
-            )
-        );
-    }
-
-
-    /**
-     * inactive_reg_statuses
-     * a filterable list of registration statuses that are not considered active
-     *
-     * @access public
-     * @return array
-     */
-    public static function inactive_reg_statuses()
-    {
-        return apply_filters(
-            'FHEE__EEM_Registration__inactive_reg_statuses',
-            array(
-                EEM_Registration::status_id_incomplete,
-                EEM_Registration::status_id_cancelled,
-                EEM_Registration::status_id_declined,
-            )
-        );
-    }
-
-
-    /**
-     *    closed_reg_statuses
-     *    a filterable list of registration statuses that are considered "closed"
-     * meaning they should not be considered in any calculations involving monies owing
-     *
-     * @access public
-     * @return array
-     */
-    public static function closed_reg_statuses()
-    {
-        return apply_filters(
-            'FHEE__EEM_Registration__closed_reg_statuses',
-            array(
-                EEM_Registration::status_id_cancelled,
-                EEM_Registration::status_id_declined,
-                EEM_Registration::status_id_wait_list,
-            )
-        );
-    }
-
-
-    /**
-     *        get list of registration statuses
-     *
-     * @access public
-     * @param array $exclude The status ids to exclude from the returned results
-     * @param bool $translated If true will return the values as singular localized strings
-     * @return array
-     * @throws EE_Error
-     */
-    public static function reg_status_array($exclude = array(), $translated = false)
-    {
-        EEM_Registration::instance()->_get_registration_status_array($exclude);
-        return $translated
-            ? EEM_Status::instance()->localized_status(self::$_reg_status, false, 'sentence')
-            : self::$_reg_status;
-    }
-
-
-    /**
-     *    get list of registration statuses
-     *
-     * @access private
-     * @param array $exclude
-     * @return void
-     * @throws EE_Error
-     */
-    private function _get_registration_status_array($exclude = array())
-    {
-        //in the very rare circumstance that we are deleting a model's table's data
-        //and the table hasn't actually been created, this could have an error
-        /** @type WPDB $wpdb */
-        global $wpdb;
-        if ($this->_get_table_analysis()->tableExists($wpdb->prefix . 'esp_status')) {
-            $results = $wpdb->get_results(
-                "SELECT STS_ID, STS_code FROM {$wpdb->prefix}esp_status WHERE STS_type = 'registration'"
-            );
-            self::$_reg_status = array();
-            foreach ($results as $status) {
-                if (!in_array($status->STS_ID, $exclude, true)) {
-                    self::$_reg_status[$status->STS_ID] = $status->STS_code;
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Gets the injected table analyzer, or throws an exception
-     *
-     * @return TableAnalysis
-     * @throws EE_Error
-     */
-    protected function _get_table_analysis()
-    {
-        if ($this->_table_analysis instanceof TableAnalysis) {
-            return $this->_table_analysis;
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__('Table analysis class on class %1$s is not set properly.', 'event_espresso'),
-                get_class($this)
-            )
-        );
-    }
-
-
-    /**
-     * This returns a wpdb->results array of all registration date month and years matching the incoming query params
-     * and grouped by month and year.
-     *
-     * @param  array $where_params Array of query_params as described in the comments for EEM_Base::get_all()
-     * @return array
-     * @throws EE_Error
-     */
-    public function get_reg_months_and_years($where_params)
-    {
-        $query_params[0] = $where_params;
-        $query_params['group_by'] = array('reg_year', 'reg_month');
-        $query_params['order_by'] = array('REG_date' => 'DESC');
-        $columns_to_select = array(
-            'reg_year' => array('YEAR(REG_date)', '%s'),
-            'reg_month' => array('MONTHNAME(REG_date)', '%s'),
-        );
-        return $this->_get_all_wpdb_results($query_params, OBJECT, $columns_to_select);
-    }
-
-
-    /**
-     * retrieve ALL registrations for a particular Attendee from db
-     *
-     * @param int $ATT_ID
-     * @return EE_Base_Class[]|EE_Registration[]|null
-     * @throws EE_Error
-     */
-    public function get_all_registrations_for_attendee($ATT_ID = 0)
-    {
-        if (!$ATT_ID) {
-            return null;
-        }
-        return $this->get_all(array(array('ATT_ID' => $ATT_ID)));
-    }
-
-
-    /**
-     * Gets a registration given their REG_url_link. Yes, this should usually
-     * be passed via a GET parameter.
-     *
-     * @param string $REG_url_link
-     * @return EE_Base_Class|EE_Registration|null
-     * @throws EE_Error
-     */
-    public function get_registration_for_reg_url_link($REG_url_link)
-    {
-        if (!$REG_url_link) {
-            return null;
-        }
-        return $this->get_one(array(array('REG_url_link' => $REG_url_link)));
-    }
-
-
-    /**
-     *        retrieve registration for a specific transaction attendee from db
-     *
-     * @access        public
-     * @param    int $TXN_ID
-     * @param    int $ATT_ID
-     * @param    int $att_nmbr in case the ATT_ID is the same for multiple registrations (same details used) then the
-     *                         attendee number is required
-     * @return        mixed        array on success, FALSE on fail
-     * @throws EE_Error
-     */
-    public function get_registration_for_transaction_attendee($TXN_ID = 0, $ATT_ID = 0, $att_nmbr = 0)
-    {
-        return $this->get_one(array(
-            array(
-                'TXN_ID' => $TXN_ID,
-                'ATT_ID' => $ATT_ID,
-            ),
-            'limit' => array(min($att_nmbr - 1, 0), 1),
-        ));
-    }
-
-
-    /**
-     *        get the number of registrations per day  for the Registration Admin page Reports Tab.
-     *        (doesn't utilize models because it's a fairly specialized query)
-     *
-     * @access        public
-     * @param $period string which can be passed to php's strtotime function (eg "-1 month")
-     * @return stdClass[] with properties regDate and total
-     * @throws EE_Error
-     */
-    public function get_registrations_per_day_report($period = '-1 month')
-    {
-        $sql_date = $this->convert_datetime_for_query('REG_date', date('Y-m-d H:i:s', strtotime($period)),
-            'Y-m-d H:i:s', 'UTC');
-        $where = array(
-            'REG_date' => array('>=', $sql_date),
-            'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
-        );
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_day_report')) {
-            $where['Event.EVT_wp_user'] = get_current_user_id();
-        }
-        $query_interval = EEH_DTT_Helper::get_sql_query_interval_for_offset($this->get_timezone(), 'REG_date');
-        $results = $this->_get_all_wpdb_results(
-            array(
-                $where,
-                'group_by' => 'regDate',
-                'order_by' => array('REG_date' => 'ASC'),
-            ),
-            OBJECT,
-            array(
-                'regDate' => array('DATE(' . $query_interval . ')', '%s'),
-                'total' => array('count(REG_ID)', '%d'),
-            ));
-        return $results;
-    }
-
-
-    /**
-     * Get the number of registrations per day including the count of registrations for each Registration Status.
-     * Note: EEM_Registration::status_id_incomplete registrations are excluded from the results.
-     *
-     * @param string $period
-     * @return stdClass[] with properties Registration_REG_date and a column for each registration status as the STS_ID
-     * @throws EE_Error
-     *                    (i.e. RAP)
-     */
-    public function get_registrations_per_day_and_per_status_report($period = '-1 month')
-    {
-        global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
-        $event_table = $wpdb->posts;
-        $sql_date = date('Y-m-d H:i:s', strtotime($period));
-        //prepare the query interval for displaying offset
-        $query_interval = EEH_DTT_Helper::get_sql_query_interval_for_offset($this->get_timezone(), 'dates.REG_date');
-        //inner date query
-        $inner_date_query = "SELECT DISTINCT REG_date from {$registration_table} ";
-        $inner_where = ' WHERE';
-        //exclude events not authored by user if permissions in effect
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
-            $inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
-            $inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
-        }
-        $inner_where .= " REG_date >= '{$sql_date}'";
-        $inner_date_query .= $inner_where;
-        //start main query
-        $select = "SELECT DATE({$query_interval}) as Registration_REG_date, ";
-        $join = '';
-        $join_parts = array();
-        $select_parts = array();
-        //loop through registration stati to do parts for each status.
-        foreach (EEM_Registration::reg_status_array() as $STS_ID => $STS_code) {
-            if ($STS_ID === EEM_Registration::status_id_incomplete) {
-                continue;
-            }
-            $select_parts[] = "COUNT({$STS_code}.REG_ID) as {$STS_ID}";
-            $join_parts[] = "{$registration_table} AS {$STS_code} ON {$STS_code}.REG_date = dates.REG_date AND {$STS_code}.STS_ID = '{$STS_ID}'";
-        }
-        //setup the selects
-        $select .= implode(', ', $select_parts);
-        $select .= " FROM ($inner_date_query) AS dates LEFT JOIN ";
-        //setup the joins
-        $join .= implode(' LEFT JOIN ', $join_parts);
-        //now let's put it all together
-        $query = $select . $join . ' GROUP BY Registration_REG_date';
-        //and execute it
-        return $wpdb->get_results($query, ARRAY_A);
-    }
-
-
-    /**
-     *        get the number of registrations per event  for the Registration Admin page Reports Tab
-     *
-     * @access        public
-     * @param $period string which can be passed to php's strtotime function (eg "-1 month")
-     * @return stdClass[] each with properties event_name, reg_limit, and total
-     * @throws EE_Error
-     */
-    public function get_registrations_per_event_report($period = '-1 month')
-    {
-        $date_sql = $this->convert_datetime_for_query('REG_date', date('Y-m-d H:i:s', strtotime($period)),
-            'Y-m-d H:i:s', 'UTC');
-        $where = array(
-            'REG_date' => array('>=', $date_sql),
-            'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
-        );
-        if (
-        !EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_others_registrations',
-            'reg_per_event_report'
-        )
-        ) {
-            $where['Event.EVT_wp_user'] = get_current_user_id();
-        }
-        $results = $this->_get_all_wpdb_results(array(
-            $where,
-            'group_by' => 'Event.EVT_name',
-            'order_by' => 'Event.EVT_name',
-            'limit' => array(0, 24),
-        ),
-            OBJECT,
-            array(
-                'event_name' => array('Event_CPT.post_title', '%s'),
-                'total' => array('COUNT(REG_ID)', '%s'),
-            )
-        );
-        return $results;
-    }
-
-
-    /**
-     * Get the number of registrations per event grouped by registration status.
-     * Note: EEM_Registration::status_id_incomplete registrations are excluded from the results.
-     *
-     * @param string $period
-     * @return stdClass[] with properties `Registration_Event` and a column for each registration status as the STS_ID
-     * @throws EE_Error
-     *                    (i.e. RAP)
-     */
-    public function get_registrations_per_event_and_per_status_report($period = '-1 month')
-    {
-        global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
-        $event_table = $wpdb->posts;
-        $sql_date = date('Y-m-d H:i:s', strtotime($period));
-        //inner date query
-        $inner_date_query = "SELECT DISTINCT EVT_ID, REG_date from $registration_table ";
-        $inner_where = ' WHERE';
-        //exclude events not authored by user if permissions in effect
-        if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
-            $inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
-            $inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
-        }
-        $inner_where .= " REG_date >= '{$sql_date}'";
-        $inner_date_query .= $inner_where;
-        //build main query
-        $select = 'SELECT Event.post_title as Registration_Event, ';
-        $join = '';
-        $join_parts = array();
-        $select_parts = array();
-        //loop through registration stati to do parts for each status.
-        foreach (EEM_Registration::reg_status_array() as $STS_ID => $STS_code) {
-            if ($STS_ID === EEM_Registration::status_id_incomplete) {
-                continue;
-            }
-            $select_parts[] = "COUNT({$STS_code}.REG_ID) as {$STS_ID}";
-            $join_parts[] = "{$registration_table} AS {$STS_code} ON {$STS_code}.EVT_ID = dates.EVT_ID AND {$STS_code}.STS_ID = '{$STS_ID}' AND {$STS_code}.REG_date = dates.REG_date";
-        }
-        //setup the selects
-        $select .= implode(', ', $select_parts);
-        $select .= " FROM ($inner_date_query) AS dates LEFT JOIN $event_table as Event ON Event.ID = dates.EVT_ID LEFT JOIN ";
-        //setup remaining joins
-        $join .= implode(' LEFT JOIN ', $join_parts);
-        //now put it all together
-        $query = $select . $join . ' GROUP BY Registration_Event';
-        //and execute
-        return $wpdb->get_results($query, ARRAY_A);
-    }
-
-
-    /**
-     * Returns the EE_Registration of the primary attendee on the transaction id provided
-     *
-     * @param int $TXN_ID
-     * @return EE_Base_Class|EE_Registration|null
-     * @throws EE_Error
-     */
-    public function get_primary_registration_for_transaction_ID($TXN_ID = 0)
-    {
-        if (!$TXN_ID) {
-            return null;
-        }
-        return $this->get_one(array(
-            array(
-                'TXN_ID' => $TXN_ID,
-                'REG_count' => EEM_Registration::PRIMARY_REGISTRANT_COUNT,
-            ),
-        ));
-    }
-
-
-    /**
-     *        get_event_registration_count
-     *
-     * @access public
-     * @param int $EVT_ID
-     * @param boolean $for_incomplete_payments
-     * @return int
-     * @throws EE_Error
-     */
-    public function get_event_registration_count($EVT_ID, $for_incomplete_payments = false)
-    {
-        // we only count approved registrations towards registration limits
-        $query_params = array(array('EVT_ID' => $EVT_ID, 'STS_ID' => self::status_id_approved));
-        if ($for_incomplete_payments) {
-            $query_params[0]['Transaction.STS_ID'] = array('!=', EEM_Transaction::complete_status_code);
-        }
-        return $this->count($query_params);
-    }
-
-
-    /**
-     * Deletes all registrations with no transactions. Note that this needs to be very efficient
-     * and so it uses wpdb directly
-     *
-     * @global WPDB $wpdb
-     * @return int number deleted
-     * @throws EE_Error
-     */
-    public function delete_registrations_with_no_transaction()
-    {
-        /** @type WPDB $wpdb */
-        global $wpdb;
-        return $wpdb->query(
-            'DELETE r FROM '
-            . $this->table()
-            . ' r LEFT JOIN '
-            . EEM_Transaction::instance()->table()
-            . ' t ON r.TXN_ID = t.TXN_ID WHERE t.TXN_ID IS NULL');
-    }
-
-
-    /**
-     *  Count registrations checked into (or out of) a datetime
-     *
-     * @param int $DTT_ID datetime ID
-     * @param boolean $checked_in whether to count registrations checked IN or OUT
-     * @return int
-     * @throws EE_Error
-     */
-    public function count_registrations_checked_into_datetime($DTT_ID, $checked_in = true)
-    {
-        global $wpdb;
-        //subquery to get latest checkin
-        $query = $wpdb->prepare(
-            'SELECT '
-            . 'COUNT( DISTINCT checkins.REG_ID ) '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
-            . '( SELECT '
-            . 'max( CHK_timestamp ) AS latest_checkin, '
-            . 'REG_ID AS REG_ID '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' '
-            . 'WHERE DTT_ID=%d '
-            . 'GROUP BY REG_ID'
-            . ') AS most_recent_checkin_per_reg '
-            . 'ON checkins.REG_ID=most_recent_checkin_per_reg.REG_ID '
-            . 'AND checkins.CHK_timestamp = most_recent_checkin_per_reg.latest_checkin '
-            . 'WHERE '
-            . 'checkins.CHK_in=%d',
-            $DTT_ID,
-            $checked_in
-        );
-        return (int)$wpdb->get_var($query);
-    }
-
-
-    /**
-     *  Count registrations checked into (or out of) an event.
-     *
-     * @param int $EVT_ID event ID
-     * @param boolean $checked_in whether to count registrations checked IN or OUT
-     * @return int
-     * @throws EE_Error
-     */
-    public function count_registrations_checked_into_event($EVT_ID, $checked_in = true)
-    {
-        global $wpdb;
-        //subquery to get latest checkin
-        $query = $wpdb->prepare(
-            'SELECT '
-            . 'COUNT( DISTINCT checkins.REG_ID ) '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
-            . '( SELECT '
-            . 'max( CHK_timestamp ) AS latest_checkin, '
-            . 'REG_ID AS REG_ID '
-            . 'FROM ' . EEM_Checkin::instance()->table() . ' AS c '
-            . 'INNER JOIN ' . EEM_Datetime::instance()->table() . ' AS d '
-            . 'ON c.DTT_ID=d.DTT_ID '
-            . 'WHERE d.EVT_ID=%d '
-            . 'GROUP BY REG_ID'
-            . ') AS most_recent_checkin_per_reg '
-            . 'ON checkins.REG_ID=most_recent_checkin_per_reg.REG_ID '
-            . 'AND checkins.CHK_timestamp = most_recent_checkin_per_reg.latest_checkin '
-            . 'WHERE '
-            . 'checkins.CHK_in=%d',
-            $EVT_ID,
-            $checked_in
-        );
-        return (int)$wpdb->get_var($query);
-    }
-
-
-    /**
-     * The purpose of this method is to retrieve an array of
-     * EE_Registration objects that represent the latest registration
-     * for each ATT_ID given in the function argument.
-     *
-     * @param array $attendee_ids
-     * @return EE_Base_Class[]|EE_Registration[]
-     * @throws EE_Error
-     */
-    public function get_latest_registration_for_each_of_given_contacts($attendee_ids = array())
-    {
-        //first do a native wp_query to get the latest REG_ID's matching these attendees.
-        global $wpdb;
-        $registration_table = $wpdb->prefix . 'esp_registration';
-        $attendee_table = $wpdb->posts;
-        $attendee_ids = is_array($attendee_ids)
-            ? array_map('absint', $attendee_ids)
-            : array((int)$attendee_ids);
-        $ATT_IDs = implode(',', $attendee_ids);
-        // first we do a query to get the registration ids
-        // (because a group by before order by causes the order by to be ignored.)
-        $registration_id_query = "
+	/**
+	 * @var EEM_Registration $_instance
+	 */
+	protected static $_instance;
+
+	/**
+	 * Keys are the status IDs for registrations (eg, RAP, RCN, etc), and the values
+	 * are status codes (eg, approved, cancelled, etc)
+	 *
+	 * @var array
+	 */
+	private static $_reg_status;
+
+	/**
+	 * The value of REG_count for a primary registrant
+	 */
+	const PRIMARY_REGISTRANT_COUNT = 1;
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate an INCOMPLETE registration.
+	 * Initial status for registrations when they are first created
+	 * Payments are NOT allowed.
+	 * Automatically toggled to whatever the default Event registration status is upon completion of the attendee
+	 * information reg step NO space reserved. Registration is NOT active
+	 */
+	const status_id_incomplete = 'RIC';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate an UNAPPROVED registration.
+	 * Payments are NOT allowed.
+	 * Event Admin must manually toggle STS_ID for it to change
+	 * No space reserved.
+	 * Registration is active
+	 */
+	const status_id_not_approved = 'RNA';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate registration is PENDING_PAYMENT .
+	 * Payments are allowed.
+	 * STS_ID will automatically be toggled to RAP if payment is made in full by the attendee
+	 * No space reserved.
+	 * Registration is active
+	 */
+	const status_id_pending_payment = 'RPP';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate registration is on the WAIT_LIST .
+	 * Payments are allowed.
+	 * STS_ID will automatically be toggled to RAP if payment is made in full by the attendee
+	 * No space reserved.
+	 * Registration is active
+	 */
+	const status_id_wait_list = 'RWL';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate an APPROVED registration.
+	 * the TXN may or may not be completed ( paid in full )
+	 * Payments are allowed.
+	 * A space IS reserved.
+	 * Registration is active
+	 */
+	const status_id_approved = 'RAP';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate a registration was CANCELLED by the attendee.
+	 * Payments are NOT allowed.
+	 * NO space reserved.
+	 * Registration is NOT active
+	 */
+	const status_id_cancelled = 'RCN';
+
+	/**
+	 * Status ID (STS_ID on esp_status table) to indicate a registration was DECLINED by the Event Admin
+	 * Payments are NOT allowed.
+	 * No space reserved.
+	 * Registration is NOT active
+	 */
+	const status_id_declined = 'RDC';
+
+	/**
+	 * @var TableAnalysis $table_analysis
+	 */
+	protected $_table_analysis;
+
+
+	/**
+	 *    private constructor to prevent direct creation
+	 *
+	 * @Constructor
+	 * @access protected
+	 * @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and any
+	 *                         incoming timezone data that gets saved). Note this just sends the timezone info to the
+	 *                         date time model field objects.  Default is NULL (and will be assumed using the set
+	 *                         timezone in the 'timezone_string' wp option)
+	 * @throws EE_Error
+	 */
+	protected function __construct($timezone = null)
+	{
+		$this->_table_analysis = EE_Registry::instance()->create('TableAnalysis', array(), true);
+		$this->singular_item = esc_html__('Registration', 'event_espresso');
+		$this->plural_item = esc_html__('Registrations', 'event_espresso');
+		$this->_tables = array(
+			'Registration' => new EE_Primary_Table('esp_registration', 'REG_ID'),
+		);
+		$this->_fields = array(
+			'Registration' => array(
+				'REG_ID' => new EE_Primary_Key_Int_Field(
+					'REG_ID',
+					esc_html__('Registration ID', 'event_espresso')
+				),
+				'EVT_ID' => new EE_Foreign_Key_Int_Field(
+					'EVT_ID',
+					esc_html__('Event ID', 'event_espresso'),
+					false,
+					0,
+					'Event'
+				),
+				'ATT_ID' => new EE_Foreign_Key_Int_Field(
+					'ATT_ID',
+					esc_html__('Attendee ID', 'event_espresso'),
+					false,
+					0,
+					'Attendee'
+				),
+				'TXN_ID' => new EE_Foreign_Key_Int_Field(
+					'TXN_ID',
+					esc_html__('Transaction ID', 'event_espresso'),
+					false, 0, 'Transaction'
+				),
+				'TKT_ID' => new EE_Foreign_Key_Int_Field(
+					'TKT_ID',
+					esc_html__('Ticket ID', 'event_espresso'),
+					false,
+					0, 'Ticket'
+				),
+				'STS_ID' => new EE_Foreign_Key_String_Field(
+					'STS_ID',
+					esc_html__('Status ID', 'event_espresso'),
+					false,
+					EEM_Registration::status_id_incomplete,
+					'Status'
+				),
+				'REG_date' => new EE_Datetime_Field(
+					'REG_date',
+					esc_html__('Time registration occurred', 'event_espresso'),
+					false,
+					EE_Datetime_Field::now,
+					$timezone
+				),
+				'REG_final_price' => new EE_Money_Field(
+					'REG_final_price',
+					esc_html__('Registration\'s share of the transaction total', 'event_espresso'),
+					false,
+					0
+				),
+				'REG_paid' => new EE_Money_Field(
+					'REG_paid',
+					esc_html__('Amount paid to date towards registration', 'event_espresso'),
+					false,
+					0
+				),
+				'REG_session' => new EE_Plain_Text_Field(
+					'REG_session',
+					esc_html__('Session ID of registration', 'event_espresso'),
+					false,
+					''
+				),
+				'REG_code' => new EE_Plain_Text_Field(
+					'REG_code',
+					esc_html__('Unique Code for this registration', 'event_espresso'),
+					false,
+					''
+				),
+				'REG_url_link' => new EE_Plain_Text_Field(
+					'REG_url_link',
+					esc_html__('String to be used in URL for identifying registration', 'event_espresso'),
+					false,
+					''
+				),
+				'REG_count' => new EE_Integer_Field(
+					'REG_count',
+					esc_html__('Count of this registration in the group registration ', 'event_espresso'),
+					true,
+					1
+				),
+				'REG_group_size' => new EE_Integer_Field(
+					'REG_group_size',
+					esc_html__('Number of registrations on this group', 'event_espresso'),
+					false,
+					1
+				),
+				'REG_att_is_going' => new EE_Boolean_Field(
+					'REG_att_is_going',
+					esc_html__('Flag indicating the registrant plans on attending', 'event_espresso'),
+					false,
+					false
+				),
+				'REG_deleted' => new EE_Trashed_Flag_Field(
+					'REG_deleted',
+					esc_html__('Flag indicating if registration has been archived or not.', 'event_espresso'),
+					false,
+					false
+				),
+			),
+		);
+		$this->_model_relations = array(
+			'Event' => new EE_Belongs_To_Relation(),
+			'Attendee' => new EE_Belongs_To_Relation(),
+			'Transaction' => new EE_Belongs_To_Relation(),
+			'Ticket' => new EE_Belongs_To_Relation(),
+			'Status' => new EE_Belongs_To_Relation(),
+			'Answer' => new EE_Has_Many_Relation(),
+			'Checkin' => new EE_Has_Many_Relation(),
+			'Registration_Payment' => new EE_Has_Many_Relation(),
+			'Payment' => new EE_HABTM_Relation('Registration_Payment'),
+			'Message' => new EE_Has_Many_Any_Relation(false)
+			//allow deletes even if there are messages in the queue related
+		);
+		$this->_model_chain_to_wp_user = 'Event';
+		parent::__construct($timezone);
+	}
+
+
+	/**
+	 * a list of ALL valid registration statuses currently in use within the system
+	 * generated by combining the filterable active and inactive reg status arrays
+	 *
+	 * @return array
+	 */
+	public static function reg_statuses()
+	{
+		return array_unique(
+			array_merge(
+				EEM_Registration::active_reg_statuses(),
+				EEM_Registration::inactive_reg_statuses()
+			)
+		);
+	}
+
+
+	/**
+	 * reg_statuses_that_allow_payment
+	 * a filterable list of registration statuses that allow a registrant to make a payment
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public static function reg_statuses_that_allow_payment()
+	{
+		return apply_filters(
+			'FHEE__EEM_Registration__reg_statuses_that_allow_payment',
+			array(
+				EEM_Registration::status_id_approved,
+				EEM_Registration::status_id_pending_payment,
+			)
+		);
+	}
+
+
+	/**
+	 * active_reg_statuses
+	 * a filterable list of registration statuses that are considered active
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public static function active_reg_statuses()
+	{
+		return apply_filters(
+			'FHEE__EEM_Registration__active_reg_statuses',
+			array(
+				EEM_Registration::status_id_approved,
+				EEM_Registration::status_id_pending_payment,
+				EEM_Registration::status_id_wait_list,
+				EEM_Registration::status_id_not_approved,
+			)
+		);
+	}
+
+
+	/**
+	 * inactive_reg_statuses
+	 * a filterable list of registration statuses that are not considered active
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public static function inactive_reg_statuses()
+	{
+		return apply_filters(
+			'FHEE__EEM_Registration__inactive_reg_statuses',
+			array(
+				EEM_Registration::status_id_incomplete,
+				EEM_Registration::status_id_cancelled,
+				EEM_Registration::status_id_declined,
+			)
+		);
+	}
+
+
+	/**
+	 *    closed_reg_statuses
+	 *    a filterable list of registration statuses that are considered "closed"
+	 * meaning they should not be considered in any calculations involving monies owing
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public static function closed_reg_statuses()
+	{
+		return apply_filters(
+			'FHEE__EEM_Registration__closed_reg_statuses',
+			array(
+				EEM_Registration::status_id_cancelled,
+				EEM_Registration::status_id_declined,
+				EEM_Registration::status_id_wait_list,
+			)
+		);
+	}
+
+
+	/**
+	 *        get list of registration statuses
+	 *
+	 * @access public
+	 * @param array $exclude The status ids to exclude from the returned results
+	 * @param bool $translated If true will return the values as singular localized strings
+	 * @return array
+	 * @throws EE_Error
+	 */
+	public static function reg_status_array($exclude = array(), $translated = false)
+	{
+		EEM_Registration::instance()->_get_registration_status_array($exclude);
+		return $translated
+			? EEM_Status::instance()->localized_status(self::$_reg_status, false, 'sentence')
+			: self::$_reg_status;
+	}
+
+
+	/**
+	 *    get list of registration statuses
+	 *
+	 * @access private
+	 * @param array $exclude
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _get_registration_status_array($exclude = array())
+	{
+		//in the very rare circumstance that we are deleting a model's table's data
+		//and the table hasn't actually been created, this could have an error
+		/** @type WPDB $wpdb */
+		global $wpdb;
+		if ($this->_get_table_analysis()->tableExists($wpdb->prefix . 'esp_status')) {
+			$results = $wpdb->get_results(
+				"SELECT STS_ID, STS_code FROM {$wpdb->prefix}esp_status WHERE STS_type = 'registration'"
+			);
+			self::$_reg_status = array();
+			foreach ($results as $status) {
+				if (!in_array($status->STS_ID, $exclude, true)) {
+					self::$_reg_status[$status->STS_ID] = $status->STS_code;
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Gets the injected table analyzer, or throws an exception
+	 *
+	 * @return TableAnalysis
+	 * @throws EE_Error
+	 */
+	protected function _get_table_analysis()
+	{
+		if ($this->_table_analysis instanceof TableAnalysis) {
+			return $this->_table_analysis;
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__('Table analysis class on class %1$s is not set properly.', 'event_espresso'),
+				get_class($this)
+			)
+		);
+	}
+
+
+	/**
+	 * This returns a wpdb->results array of all registration date month and years matching the incoming query params
+	 * and grouped by month and year.
+	 *
+	 * @param  array $where_params Array of query_params as described in the comments for EEM_Base::get_all()
+	 * @return array
+	 * @throws EE_Error
+	 */
+	public function get_reg_months_and_years($where_params)
+	{
+		$query_params[0] = $where_params;
+		$query_params['group_by'] = array('reg_year', 'reg_month');
+		$query_params['order_by'] = array('REG_date' => 'DESC');
+		$columns_to_select = array(
+			'reg_year' => array('YEAR(REG_date)', '%s'),
+			'reg_month' => array('MONTHNAME(REG_date)', '%s'),
+		);
+		return $this->_get_all_wpdb_results($query_params, OBJECT, $columns_to_select);
+	}
+
+
+	/**
+	 * retrieve ALL registrations for a particular Attendee from db
+	 *
+	 * @param int $ATT_ID
+	 * @return EE_Base_Class[]|EE_Registration[]|null
+	 * @throws EE_Error
+	 */
+	public function get_all_registrations_for_attendee($ATT_ID = 0)
+	{
+		if (!$ATT_ID) {
+			return null;
+		}
+		return $this->get_all(array(array('ATT_ID' => $ATT_ID)));
+	}
+
+
+	/**
+	 * Gets a registration given their REG_url_link. Yes, this should usually
+	 * be passed via a GET parameter.
+	 *
+	 * @param string $REG_url_link
+	 * @return EE_Base_Class|EE_Registration|null
+	 * @throws EE_Error
+	 */
+	public function get_registration_for_reg_url_link($REG_url_link)
+	{
+		if (!$REG_url_link) {
+			return null;
+		}
+		return $this->get_one(array(array('REG_url_link' => $REG_url_link)));
+	}
+
+
+	/**
+	 *        retrieve registration for a specific transaction attendee from db
+	 *
+	 * @access        public
+	 * @param    int $TXN_ID
+	 * @param    int $ATT_ID
+	 * @param    int $att_nmbr in case the ATT_ID is the same for multiple registrations (same details used) then the
+	 *                         attendee number is required
+	 * @return        mixed        array on success, FALSE on fail
+	 * @throws EE_Error
+	 */
+	public function get_registration_for_transaction_attendee($TXN_ID = 0, $ATT_ID = 0, $att_nmbr = 0)
+	{
+		return $this->get_one(array(
+			array(
+				'TXN_ID' => $TXN_ID,
+				'ATT_ID' => $ATT_ID,
+			),
+			'limit' => array(min($att_nmbr - 1, 0), 1),
+		));
+	}
+
+
+	/**
+	 *        get the number of registrations per day  for the Registration Admin page Reports Tab.
+	 *        (doesn't utilize models because it's a fairly specialized query)
+	 *
+	 * @access        public
+	 * @param $period string which can be passed to php's strtotime function (eg "-1 month")
+	 * @return stdClass[] with properties regDate and total
+	 * @throws EE_Error
+	 */
+	public function get_registrations_per_day_report($period = '-1 month')
+	{
+		$sql_date = $this->convert_datetime_for_query('REG_date', date('Y-m-d H:i:s', strtotime($period)),
+			'Y-m-d H:i:s', 'UTC');
+		$where = array(
+			'REG_date' => array('>=', $sql_date),
+			'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
+		);
+		if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_day_report')) {
+			$where['Event.EVT_wp_user'] = get_current_user_id();
+		}
+		$query_interval = EEH_DTT_Helper::get_sql_query_interval_for_offset($this->get_timezone(), 'REG_date');
+		$results = $this->_get_all_wpdb_results(
+			array(
+				$where,
+				'group_by' => 'regDate',
+				'order_by' => array('REG_date' => 'ASC'),
+			),
+			OBJECT,
+			array(
+				'regDate' => array('DATE(' . $query_interval . ')', '%s'),
+				'total' => array('count(REG_ID)', '%d'),
+			));
+		return $results;
+	}
+
+
+	/**
+	 * Get the number of registrations per day including the count of registrations for each Registration Status.
+	 * Note: EEM_Registration::status_id_incomplete registrations are excluded from the results.
+	 *
+	 * @param string $period
+	 * @return stdClass[] with properties Registration_REG_date and a column for each registration status as the STS_ID
+	 * @throws EE_Error
+	 *                    (i.e. RAP)
+	 */
+	public function get_registrations_per_day_and_per_status_report($period = '-1 month')
+	{
+		global $wpdb;
+		$registration_table = $wpdb->prefix . 'esp_registration';
+		$event_table = $wpdb->posts;
+		$sql_date = date('Y-m-d H:i:s', strtotime($period));
+		//prepare the query interval for displaying offset
+		$query_interval = EEH_DTT_Helper::get_sql_query_interval_for_offset($this->get_timezone(), 'dates.REG_date');
+		//inner date query
+		$inner_date_query = "SELECT DISTINCT REG_date from {$registration_table} ";
+		$inner_where = ' WHERE';
+		//exclude events not authored by user if permissions in effect
+		if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
+			$inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
+			$inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
+		}
+		$inner_where .= " REG_date >= '{$sql_date}'";
+		$inner_date_query .= $inner_where;
+		//start main query
+		$select = "SELECT DATE({$query_interval}) as Registration_REG_date, ";
+		$join = '';
+		$join_parts = array();
+		$select_parts = array();
+		//loop through registration stati to do parts for each status.
+		foreach (EEM_Registration::reg_status_array() as $STS_ID => $STS_code) {
+			if ($STS_ID === EEM_Registration::status_id_incomplete) {
+				continue;
+			}
+			$select_parts[] = "COUNT({$STS_code}.REG_ID) as {$STS_ID}";
+			$join_parts[] = "{$registration_table} AS {$STS_code} ON {$STS_code}.REG_date = dates.REG_date AND {$STS_code}.STS_ID = '{$STS_ID}'";
+		}
+		//setup the selects
+		$select .= implode(', ', $select_parts);
+		$select .= " FROM ($inner_date_query) AS dates LEFT JOIN ";
+		//setup the joins
+		$join .= implode(' LEFT JOIN ', $join_parts);
+		//now let's put it all together
+		$query = $select . $join . ' GROUP BY Registration_REG_date';
+		//and execute it
+		return $wpdb->get_results($query, ARRAY_A);
+	}
+
+
+	/**
+	 *        get the number of registrations per event  for the Registration Admin page Reports Tab
+	 *
+	 * @access        public
+	 * @param $period string which can be passed to php's strtotime function (eg "-1 month")
+	 * @return stdClass[] each with properties event_name, reg_limit, and total
+	 * @throws EE_Error
+	 */
+	public function get_registrations_per_event_report($period = '-1 month')
+	{
+		$date_sql = $this->convert_datetime_for_query('REG_date', date('Y-m-d H:i:s', strtotime($period)),
+			'Y-m-d H:i:s', 'UTC');
+		$where = array(
+			'REG_date' => array('>=', $date_sql),
+			'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
+		);
+		if (
+		!EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_others_registrations',
+			'reg_per_event_report'
+		)
+		) {
+			$where['Event.EVT_wp_user'] = get_current_user_id();
+		}
+		$results = $this->_get_all_wpdb_results(array(
+			$where,
+			'group_by' => 'Event.EVT_name',
+			'order_by' => 'Event.EVT_name',
+			'limit' => array(0, 24),
+		),
+			OBJECT,
+			array(
+				'event_name' => array('Event_CPT.post_title', '%s'),
+				'total' => array('COUNT(REG_ID)', '%s'),
+			)
+		);
+		return $results;
+	}
+
+
+	/**
+	 * Get the number of registrations per event grouped by registration status.
+	 * Note: EEM_Registration::status_id_incomplete registrations are excluded from the results.
+	 *
+	 * @param string $period
+	 * @return stdClass[] with properties `Registration_Event` and a column for each registration status as the STS_ID
+	 * @throws EE_Error
+	 *                    (i.e. RAP)
+	 */
+	public function get_registrations_per_event_and_per_status_report($period = '-1 month')
+	{
+		global $wpdb;
+		$registration_table = $wpdb->prefix . 'esp_registration';
+		$event_table = $wpdb->posts;
+		$sql_date = date('Y-m-d H:i:s', strtotime($period));
+		//inner date query
+		$inner_date_query = "SELECT DISTINCT EVT_ID, REG_date from $registration_table ";
+		$inner_where = ' WHERE';
+		//exclude events not authored by user if permissions in effect
+		if (!EE_Registry::instance()->CAP->current_user_can('ee_read_others_registrations', 'reg_per_event_report')) {
+			$inner_date_query .= "LEFT JOIN {$event_table} ON ID = EVT_ID";
+			$inner_where .= ' post_author = ' . get_current_user_id() . ' AND';
+		}
+		$inner_where .= " REG_date >= '{$sql_date}'";
+		$inner_date_query .= $inner_where;
+		//build main query
+		$select = 'SELECT Event.post_title as Registration_Event, ';
+		$join = '';
+		$join_parts = array();
+		$select_parts = array();
+		//loop through registration stati to do parts for each status.
+		foreach (EEM_Registration::reg_status_array() as $STS_ID => $STS_code) {
+			if ($STS_ID === EEM_Registration::status_id_incomplete) {
+				continue;
+			}
+			$select_parts[] = "COUNT({$STS_code}.REG_ID) as {$STS_ID}";
+			$join_parts[] = "{$registration_table} AS {$STS_code} ON {$STS_code}.EVT_ID = dates.EVT_ID AND {$STS_code}.STS_ID = '{$STS_ID}' AND {$STS_code}.REG_date = dates.REG_date";
+		}
+		//setup the selects
+		$select .= implode(', ', $select_parts);
+		$select .= " FROM ($inner_date_query) AS dates LEFT JOIN $event_table as Event ON Event.ID = dates.EVT_ID LEFT JOIN ";
+		//setup remaining joins
+		$join .= implode(' LEFT JOIN ', $join_parts);
+		//now put it all together
+		$query = $select . $join . ' GROUP BY Registration_Event';
+		//and execute
+		return $wpdb->get_results($query, ARRAY_A);
+	}
+
+
+	/**
+	 * Returns the EE_Registration of the primary attendee on the transaction id provided
+	 *
+	 * @param int $TXN_ID
+	 * @return EE_Base_Class|EE_Registration|null
+	 * @throws EE_Error
+	 */
+	public function get_primary_registration_for_transaction_ID($TXN_ID = 0)
+	{
+		if (!$TXN_ID) {
+			return null;
+		}
+		return $this->get_one(array(
+			array(
+				'TXN_ID' => $TXN_ID,
+				'REG_count' => EEM_Registration::PRIMARY_REGISTRANT_COUNT,
+			),
+		));
+	}
+
+
+	/**
+	 *        get_event_registration_count
+	 *
+	 * @access public
+	 * @param int $EVT_ID
+	 * @param boolean $for_incomplete_payments
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function get_event_registration_count($EVT_ID, $for_incomplete_payments = false)
+	{
+		// we only count approved registrations towards registration limits
+		$query_params = array(array('EVT_ID' => $EVT_ID, 'STS_ID' => self::status_id_approved));
+		if ($for_incomplete_payments) {
+			$query_params[0]['Transaction.STS_ID'] = array('!=', EEM_Transaction::complete_status_code);
+		}
+		return $this->count($query_params);
+	}
+
+
+	/**
+	 * Deletes all registrations with no transactions. Note that this needs to be very efficient
+	 * and so it uses wpdb directly
+	 *
+	 * @global WPDB $wpdb
+	 * @return int number deleted
+	 * @throws EE_Error
+	 */
+	public function delete_registrations_with_no_transaction()
+	{
+		/** @type WPDB $wpdb */
+		global $wpdb;
+		return $wpdb->query(
+			'DELETE r FROM '
+			. $this->table()
+			. ' r LEFT JOIN '
+			. EEM_Transaction::instance()->table()
+			. ' t ON r.TXN_ID = t.TXN_ID WHERE t.TXN_ID IS NULL');
+	}
+
+
+	/**
+	 *  Count registrations checked into (or out of) a datetime
+	 *
+	 * @param int $DTT_ID datetime ID
+	 * @param boolean $checked_in whether to count registrations checked IN or OUT
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function count_registrations_checked_into_datetime($DTT_ID, $checked_in = true)
+	{
+		global $wpdb;
+		//subquery to get latest checkin
+		$query = $wpdb->prepare(
+			'SELECT '
+			. 'COUNT( DISTINCT checkins.REG_ID ) '
+			. 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
+			. '( SELECT '
+			. 'max( CHK_timestamp ) AS latest_checkin, '
+			. 'REG_ID AS REG_ID '
+			. 'FROM ' . EEM_Checkin::instance()->table() . ' '
+			. 'WHERE DTT_ID=%d '
+			. 'GROUP BY REG_ID'
+			. ') AS most_recent_checkin_per_reg '
+			. 'ON checkins.REG_ID=most_recent_checkin_per_reg.REG_ID '
+			. 'AND checkins.CHK_timestamp = most_recent_checkin_per_reg.latest_checkin '
+			. 'WHERE '
+			. 'checkins.CHK_in=%d',
+			$DTT_ID,
+			$checked_in
+		);
+		return (int)$wpdb->get_var($query);
+	}
+
+
+	/**
+	 *  Count registrations checked into (or out of) an event.
+	 *
+	 * @param int $EVT_ID event ID
+	 * @param boolean $checked_in whether to count registrations checked IN or OUT
+	 * @return int
+	 * @throws EE_Error
+	 */
+	public function count_registrations_checked_into_event($EVT_ID, $checked_in = true)
+	{
+		global $wpdb;
+		//subquery to get latest checkin
+		$query = $wpdb->prepare(
+			'SELECT '
+			. 'COUNT( DISTINCT checkins.REG_ID ) '
+			. 'FROM ' . EEM_Checkin::instance()->table() . ' AS checkins INNER JOIN'
+			. '( SELECT '
+			. 'max( CHK_timestamp ) AS latest_checkin, '
+			. 'REG_ID AS REG_ID '
+			. 'FROM ' . EEM_Checkin::instance()->table() . ' AS c '
+			. 'INNER JOIN ' . EEM_Datetime::instance()->table() . ' AS d '
+			. 'ON c.DTT_ID=d.DTT_ID '
+			. 'WHERE d.EVT_ID=%d '
+			. 'GROUP BY REG_ID'
+			. ') AS most_recent_checkin_per_reg '
+			. 'ON checkins.REG_ID=most_recent_checkin_per_reg.REG_ID '
+			. 'AND checkins.CHK_timestamp = most_recent_checkin_per_reg.latest_checkin '
+			. 'WHERE '
+			. 'checkins.CHK_in=%d',
+			$EVT_ID,
+			$checked_in
+		);
+		return (int)$wpdb->get_var($query);
+	}
+
+
+	/**
+	 * The purpose of this method is to retrieve an array of
+	 * EE_Registration objects that represent the latest registration
+	 * for each ATT_ID given in the function argument.
+	 *
+	 * @param array $attendee_ids
+	 * @return EE_Base_Class[]|EE_Registration[]
+	 * @throws EE_Error
+	 */
+	public function get_latest_registration_for_each_of_given_contacts($attendee_ids = array())
+	{
+		//first do a native wp_query to get the latest REG_ID's matching these attendees.
+		global $wpdb;
+		$registration_table = $wpdb->prefix . 'esp_registration';
+		$attendee_table = $wpdb->posts;
+		$attendee_ids = is_array($attendee_ids)
+			? array_map('absint', $attendee_ids)
+			: array((int)$attendee_ids);
+		$ATT_IDs = implode(',', $attendee_ids);
+		// first we do a query to get the registration ids
+		// (because a group by before order by causes the order by to be ignored.)
+		$registration_id_query = "
 			SELECT registrations.registration_ids as registration_id
 			FROM (
 				SELECT
@@ -827,63 +827,63 @@ 
 			  ) AS registrations
 			  GROUP BY registrations.attendee_ids
 		";
-        $registration_ids = $wpdb->get_results($registration_id_query, ARRAY_A);
-        if (empty($registration_ids)) {
-            return array();
-        }
-        $ids_for_model_query = array();
-        //let's flatten the ids so they can be used in the model query.
-        foreach ($registration_ids as $registration_id) {
-            if (isset($registration_id['registration_id'])) {
-                $ids_for_model_query[] = $registration_id['registration_id'];
-            }
-        }
-        //construct query
-        $_where = array(
-            'REG_ID' => array('IN', $ids_for_model_query),
-        );
-        return $this->get_all(array($_where));
-    }
-
-
-
-    /**
-     * returns a count of registrations for the supplied event having the status as specified
-     *
-     * @param int $EVT_ID
-     * @param array $statuses
-     * @return int
-     * @throws InvalidArgumentException
-     * @throws InvalidStatusException
-     * @throws EE_Error
-     */
-    public function event_reg_count_for_statuses($EVT_ID, $statuses = array() )
-    {
-        $EVT_ID = absint($EVT_ID);
-        if (! $EVT_ID) {
-            throw new InvalidArgumentException(
-                esc_html__('An invalid Event ID was supplied.', 'event_espresso')
-            );
-        }
-        $statuses = is_array($statuses) ? $statuses : array($statuses);
-        $statuses = ! empty($statuses) ? $statuses : array(EEM_Registration::status_id_approved);
-        $valid_reg_statuses = EEM_Registration::reg_statuses();
-        foreach ($statuses as $status) {
-            if(! in_array($status, $valid_reg_statuses, true)) {
-                throw new InvalidStatusException($status, esc_html__('Registration', 'event_espresso'));
-            }
-        }
-        return $this->count(
-            array(
-                array(
-                    'EVT_ID' => $EVT_ID,
-                    'STS_ID' => array('IN', $statuses),
-                ),
-            ),
-            'REG_ID',
-            true
-        );
-    }
+		$registration_ids = $wpdb->get_results($registration_id_query, ARRAY_A);
+		if (empty($registration_ids)) {
+			return array();
+		}
+		$ids_for_model_query = array();
+		//let's flatten the ids so they can be used in the model query.
+		foreach ($registration_ids as $registration_id) {
+			if (isset($registration_id['registration_id'])) {
+				$ids_for_model_query[] = $registration_id['registration_id'];
+			}
+		}
+		//construct query
+		$_where = array(
+			'REG_ID' => array('IN', $ids_for_model_query),
+		);
+		return $this->get_all(array($_where));
+	}
+
+
+
+	/**
+	 * returns a count of registrations for the supplied event having the status as specified
+	 *
+	 * @param int $EVT_ID
+	 * @param array $statuses
+	 * @return int
+	 * @throws InvalidArgumentException
+	 * @throws InvalidStatusException
+	 * @throws EE_Error
+	 */
+	public function event_reg_count_for_statuses($EVT_ID, $statuses = array() )
+	{
+		$EVT_ID = absint($EVT_ID);
+		if (! $EVT_ID) {
+			throw new InvalidArgumentException(
+				esc_html__('An invalid Event ID was supplied.', 'event_espresso')
+			);
+		}
+		$statuses = is_array($statuses) ? $statuses : array($statuses);
+		$statuses = ! empty($statuses) ? $statuses : array(EEM_Registration::status_id_approved);
+		$valid_reg_statuses = EEM_Registration::reg_statuses();
+		foreach ($statuses as $status) {
+			if(! in_array($status, $valid_reg_statuses, true)) {
+				throw new InvalidStatusException($status, esc_html__('Registration', 'event_espresso'));
+			}
+		}
+		return $this->count(
+			array(
+				array(
+					'EVT_ID' => $EVT_ID,
+					'STS_ID' => array('IN', $statuses),
+				),
+			),
+			'REG_ID',
+			true
+		);
+	}
 
 }
 // End of file EEM_Registration.model.php