mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-11-27 17:20:40 +00:00
381 lines
10 KiB
PHP
381 lines
10 KiB
PHP
<?php
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/**
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* An object that manages attributes of echo notifications: category, elegibility,
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* group, section etc.
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*/
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class EchoAttributeManager {
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/**
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* @var array
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*/
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protected $notifications;
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/**
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* @var array
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*/
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protected $categories;
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/**
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* @var array
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*/
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protected $defaultNotifyTypeAvailability;
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/**
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* @var array
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*/
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protected $notifyTypeAvailabilityByCategory;
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/**
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* @var array
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*/
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protected $dismissabilityByCategory;
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/**
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* @var array
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*/
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protected $notifiers;
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/**
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* Notification section constant
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*/
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const ALERT = 'alert';
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const MESSAGE = 'message';
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const ALL = 'all';
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protected static $DEFAULT_SECTION = self::ALERT;
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/**
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* Notifications are broken down to two sections, default is alert
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* @var array
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*/
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public static $sections = [
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self::ALERT,
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self::MESSAGE
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];
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/**
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* Names for keys in $wgEchoNotifications notification config
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*/
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const ATTR_LOCATORS = 'user-locators';
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const ATTR_FILTERS = 'user-filters';
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/**
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* An EchoAttributeManager instance created from global variables
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* @param EchoAttributeManager
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*/
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protected static $globalVarInstance = null;
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/**
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* @param array $notifications Notification attributes
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* @param array $categories Notification categories
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* @param array $defaultNotifyTypeAvailability Associative array with output
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* formats as keys and whether they are available as boolean values.
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* @param array $notifyTypeAvailabilityByCategory Associative array with
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* categories as keys and value an associative array as with
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* $defaultNotifyTypeAvailability.
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* @param array $notifiers Associative array mapping notify types to notifier
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* that handles them
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*/
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public function __construct( array $notifications, array $categories, array $defaultNotifyTypeAvailability, array $notifyTypeAvailabilityByCategory, array $notifiers ) {
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// Extensions can define their own notifications and categories
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$this->notifications = $notifications;
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$this->categories = $categories;
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$this->defaultNotifyTypeAvailability = $defaultNotifyTypeAvailability;
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$this->notifyTypeAvailabilityByCategory = $notifyTypeAvailabilityByCategory;
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$this->dismissabilityByCategory = null;
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$this->notifiers = $notifiers;
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}
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/**
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* Create an instance from global variables
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* @return EchoAttributeManager
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*/
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public static function newFromGlobalVars() {
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global $wgEchoNotifications, $wgEchoNotificationCategories, $wgDefaultNotifyTypeAvailability, $wgNotifyTypeAvailabilityByCategory, $wgEchoNotifiers;
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// Unit test may alter the global data for test purpose
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if ( defined( 'MW_PHPUNIT_TEST' ) ) {
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return new self( $wgEchoNotifications, $wgEchoNotificationCategories, $wgDefaultNotifyTypeAvailability, $wgNotifyTypeAvailabilityByCategory, $wgEchoNotifiers );
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}
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if ( self::$globalVarInstance === null ) {
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self::$globalVarInstance = new self(
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$wgEchoNotifications,
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$wgEchoNotificationCategories,
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$wgDefaultNotifyTypeAvailability,
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$wgNotifyTypeAvailabilityByCategory,
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$wgEchoNotifiers
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);
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}
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return self::$globalVarInstance;
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}
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/**
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* Get the user-locators|user-filters related to the provided event type
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*
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* @param string $type
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* @param string $locator Either self::ATTR_LOCATORS or self::ATTR_FILTERS
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* @return array
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*/
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public function getUserCallable( $type, $locator = self::ATTR_LOCATORS ) {
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if ( isset( $this->notifications[$type][$locator] ) ) {
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return (array)$this->notifications[$type][$locator];
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} else {
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return [];
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}
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}
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/**
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* Get the enabled events for a user, which excludes user-dismissed events
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* from the general enabled events
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* @param User $user
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* @param string $notifyType Either "web" or "email".
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* @return string[]
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*/
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public function getUserEnabledEvents( User $user, $notifyType ) {
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$eventTypesToLoad = $this->notifications;
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foreach ( $eventTypesToLoad as $eventType => $eventData ) {
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$category = $this->getNotificationCategory( $eventType );
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// Make sure the user is eligible to receive this type of notification
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if ( !$this->getCategoryEligibility( $user, $category ) ) {
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unset( $eventTypesToLoad[$eventType] );
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}
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if ( !$user->getOption( 'echo-subscriptions-' . $notifyType . '-' . $category ) ) {
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unset( $eventTypesToLoad[$eventType] );
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}
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}
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$eventTypes = array_keys( $eventTypesToLoad );
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return $eventTypes;
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}
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/**
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* Get the user enabled events for the specified sections
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* @param User $user
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* @param string $notifyType Either "web" or "email".
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* @param string[] $sections
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* @return string[]
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*/
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public function getUserEnabledEventsbySections( User $user, $notifyType, array $sections ) {
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$events = [];
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foreach ( $sections as $section ) {
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$events = array_merge(
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$events,
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$this->getEventsForSection( $section )
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);
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}
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return array_intersect(
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$this->getUserEnabledEvents( $user, $notifyType ),
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$events
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);
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}
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/**
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* Gets events (notification types) for a given section
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*
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* @param string $section Internal section name, one of the values from self::$sections
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*
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* @return array Array of notification types in this section
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*/
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public function getEventsForSection( $section ) {
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$events = [];
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$isDefault = ( $section === self::$DEFAULT_SECTION );
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foreach ( $this->notifications as $event => $attribs ) {
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if (
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(
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isset( $attribs['section'] ) &&
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$attribs['section'] === $section
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) ||
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(
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$isDefault &&
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(
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!isset( $attribs['section'] ) ||
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// Invalid section
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!in_array( $attribs['section'], self::$sections )
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)
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)
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) {
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$events[] = $event;
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}
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}
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return $events;
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}
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/**
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* Gets array of internal category names
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*
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* @return All internal names
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*/
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public function getInternalCategoryNames() {
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return array_keys( $this->categories );
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}
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/**
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* See if a user is eligible to receive a certain type of notification
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* (based on user groups, not user preferences)
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*
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* @param User
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* @param string A notification category defined in $wgEchoNotificationCategories
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* @return bool
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*/
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public function getCategoryEligibility( $user, $category ) {
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$usersGroups = $user->getGroups();
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if ( isset( $this->categories[$category]['usergroups'] ) ) {
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$allowedGroups = $this->categories[$category]['usergroups'];
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if ( !array_intersect( $usersGroups, $allowedGroups ) ) {
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return false;
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}
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}
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return true;
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}
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/**
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* Get the priority for a specific notification type
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*
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* @param string A notification type defined in $wgEchoNotifications
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* @return int From 1 to 10 (10 is default)
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*/
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public function getNotificationPriority( $notificationType ) {
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$category = $this->getNotificationCategory( $notificationType );
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return $this->getCategoryPriority( $category );
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}
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/**
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* Get the priority for a notification category
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*
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* @param string A notification category defined in $wgEchoNotificationCategories
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* @return int From 1 to 10 (10 is default)
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*/
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public function getCategoryPriority( $category ) {
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if ( isset( $this->categories[$category]['priority'] ) ) {
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$priority = $this->categories[$category]['priority'];
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if ( $priority >= 1 && $priority <= 10 ) {
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return $priority;
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}
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}
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return 10;
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}
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/**
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* Get the notification category for a notification type
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*
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* @param string A notification type defined in $wgEchoNotifications
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* @return string The name of the notification category or 'other' if no
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* category is explicitly assigned.
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*/
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public function getNotificationCategory( $notificationType ) {
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if ( isset( $this->notifications[$notificationType]['category'] ) ) {
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$category = $this->notifications[$notificationType]['category'];
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if ( isset( $this->categories[$category] ) ) {
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return $category;
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}
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}
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return 'other';
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}
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/**
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* Gets an associative array mapping categories to the notification types in
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* the category
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*
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* @return array Associative array with category as key
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*/
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public function getEventsByCategory() {
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$eventsByCategory = [];
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foreach ( $this->categories as $category => $categoryDetails ) {
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$eventsByCategory[$category] = [];
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}
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foreach ( $this->notifications as $notificationType => $notificationDetails ) {
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$category = $notificationDetails['category'];
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if ( isset( $eventsByCategory[$category] ) ) {
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// Only real categories. Currently, this excludes the 'foreign'
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// psuedo-category.
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$eventsByCategory[$category][] = $notificationType;
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}
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}
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return $eventsByCategory;
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}
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/**
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* Checks whether the specified notify type is available for the specified
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* category.
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*
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* This means whether users *can* turn notifications for this category and format
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* on, regardless of the default or a particular user's preferences.
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*
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* @param string $category Category name
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* @param string $notifyType notify type, e.g. email/web.
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*/
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public function isNotifyTypeAvailableForCategory( $category, $notifyType ) {
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if ( isset( $this->notifyTypeAvailabilityByCategory[$category][$notifyType] ) ) {
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return $this->notifyTypeAvailabilityByCategory[$category][$notifyType];
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} else {
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return $this->defaultNotifyTypeAvailability[$notifyType];
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}
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}
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/**
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* Checks whether category is displayed in preferences
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*
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* @param string $category Category name
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*/
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public function isCategoryDisplayedInPreferences( $category ) {
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return !(
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isset( $this->categories[$category]['no-dismiss'] ) &&
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in_array( 'all', $this->categories[$category]['no-dismiss'] )
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);
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}
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/**
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* Checks whether the specified notify type is dismissable for the specified
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* category.
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*
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* This means whether the user is allowed to opt out of receiving notifications
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* for this category and format.
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*
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* @param string $category Name of category
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* @param string $notifyType notify type, e.g. email/web.
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*/
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public function isNotifyTypeDismissableForCategory( $category, $notifyType ) {
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return !(
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isset( $this->categories[$category]['no-dismiss'] ) &&
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(
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in_array( 'all', $this->categories[$category]['no-dismiss'] ) ||
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in_array( $notifyType, $this->categories[$category]['no-dismiss'] )
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)
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);
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}
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/**
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* Get notification section for a notification type
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* @todo add a unit test case
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* @param string $notificationType
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* @return string
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*/
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public function getNotificationSection( $notificationType ) {
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if ( isset( $this->notifications[$notificationType]['section'] ) ) {
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return $this->notifications[$notificationType]['section'];
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}
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return 'alert';
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}
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}
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