mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-11-14 19:28:31 +00:00
739 lines
21 KiB
JavaScript
739 lines
21 KiB
JavaScript
( function ( mw, $ ) {
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/**
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* Notification view model
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*
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* @class
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* @mixins OO.EventEmitter
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*
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* @constructor
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* @param {mw.echo.dm.NetworkHandler} networkHandler Network handler
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* @param {Object} [config] Configuration object
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* @cfg {string} [id] Model id, used to refer to the model specifically.
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* Falls back to the model's unique source
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* @cfg {string} [title=''] An optional title for the model. This is mostly used
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* for nested bundled models inside group items.
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* @cfg {string|string[]} [type='alert'] Notification type 'alert', 'message'
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* or an array [ 'alert', 'message' ]
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* @cfg {string} [source='local'] Model source, 'local' or some symbolic name identifying
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* the source of the notification items for the network handler.
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* @cfg {number} [limit=25] Notification limit
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* @cfg {string} [userLang] User language
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* @cfg {boolean} [foreign] The model's source is foreign
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* @cfg {boolean} [removeReadNotifications=false] Remove read notifications completely. This
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* means the model will only contain unread notifications. This is useful for
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* cross-wiki bundled notifications.
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*/
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mw.echo.dm.NotificationsModel = function MwEchoDmNotificationsModel( networkHandler, config ) {
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config = config || {};
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// Mixin constructor
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OO.EventEmitter.call( this );
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// Mixin constructor
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mw.echo.dm.SortedList.call( this );
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this.type = config.type || 'alert';
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this.source = config.source || 'local';
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this.id = config.id || this.source;
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this.title = config.title || '';
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this.markingAllAsRead = false;
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this.autoMarkReadInProcess = false;
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this.removeReadNotifications = !!config.removeReadNotifications;
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this.foreign = !!config.foreign;
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this.networkHandler = networkHandler;
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this.seenTime = mw.config.get( 'wgEchoSeenTime' ) || {};
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// Store references to unseen and unread notifications
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this.unseenNotifications = new mw.echo.dm.NotificationList();
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this.unreadNotifications = new mw.echo.dm.NotificationList();
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// Events
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this.aggregate( {
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seen: 'itemSeen',
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read: 'itemRead',
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empty: 'itemGroupEmpty'
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} );
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this.connect( this, {
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itemSeen: 'onItemSeen',
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itemRead: 'onItemRead',
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itemGroupEmpty: 'onItemGroupEmpty'
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} );
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this.setSortingCallback( function ( a, b ) {
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var diff;
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if ( !a.isRead() && b.isRead() ) {
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return -1; // Unread items are always above read items
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} else if ( a.isRead() && !b.isRead() ) {
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return 1;
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} else {
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// Reverse sorting
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diff = Number( b.getTimestamp() ) - Number( a.getTimestamp() );
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if ( diff !== 0 ) {
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return diff;
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}
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// Fallback on IDs
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return b.getId() - a.getId();
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}
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} );
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};
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/* Initialization */
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OO.initClass( mw.echo.dm.NotificationsModel );
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OO.mixinClass( mw.echo.dm.NotificationsModel, OO.EventEmitter );
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OO.mixinClass( mw.echo.dm.NotificationsModel, mw.echo.dm.SortedList );
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/* Events */
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/**
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* @event updateSeenTime
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*
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* Seen time has been updated
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*/
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/**
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* @event unseenChange
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* @param {mw.echo.dm.NotificationItem} items An array of the unseen items
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*
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* Items' seen status has changed
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*/
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/**
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* @event unreadChange
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* @param {mw.echo.dm.NotificationItem} items An array of the unread items
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*
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* Items' read status has changed
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*/
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/**
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* @event allRead
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*
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* All items are marked as read
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*/
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/**
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* @event empty
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*
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* The model is empty
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*/
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/**
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* @event done
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* @param {boolean} success The operation is successful
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* @param {Object} result The result of the operation. For success, the
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* result includes the ids of the items. For failures, the result
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* includes the error code from the failed API request
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* @param {string[]} [result.ids] An array of notification IDs that were
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* fetched from the API. This only appears on success.
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* @param {string} [result.errCode] The error code from the API.
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* This only appears on failure.
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* @param {Object} [result.errObj] The error object from the API.
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* This only appears on failure.
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*
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* The process of fetching notifications from the API has finished
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*/
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/* Methods */
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/**
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* Respond to item seen state change
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*
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* @param {mw.echo.dm.NotificationItem} item Notification item
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* @param {boolean} isSeen Notification is seen
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* @fires unseenChange
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*/
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mw.echo.dm.NotificationsModel.prototype.onItemSeen = function ( item, isSeen ) {
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var id = item && item.getId(),
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unseenItem = id && this.unseenNotifications.getItemById( id );
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if ( unseenItem ) {
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if ( isSeen ) {
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this.unseenNotifications.removeItems( [ unseenItem ] );
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} else {
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this.unseenNotifications.addItems( [ unseenItem ] );
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}
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this.emit( 'unseenChange', this.unseenNotifications.getItems() );
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}
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};
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/**
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* Respond to item read state change
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*
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* @param {mw.echo.dm.NotificationItem} item Notification item
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* @param {boolean} isRead Notification is read
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* @fires unreadChange
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*/
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mw.echo.dm.NotificationsModel.prototype.onItemRead = function ( item, isRead ) {
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var id = item && item.getId(),
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unreadItem = id && this.unreadNotifications.getItemById( id );
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// Update unread status and emit events
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if ( unreadItem ) {
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if ( isRead ) {
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// We are skipping "mark as read" when the operation is "mark all read"
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// because the API takes a single request to mark all notifications
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// as read, and we don't need to send multiple individual requests.
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if ( !this.markingAllAsRead ) {
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this.markItemReadInApi( id );
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}
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if ( this.removeReadNotifications ) {
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// Remove this notification from the model
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this.removeItems( [ unreadItem ] );
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}
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// Remove the item from the counter after all other operations
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// finished, since some of the operations check if there are any
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// unread notifications to begin with.
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this.unreadNotifications.removeItems( [ unreadItem ] );
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} else {
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this.unreadNotifications.addItems( [ unreadItem ] );
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}
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this.emit( 'unreadChange', this.unreadNotifications.getItems() );
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}
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if ( this.unreadNotifications.isEmpty() ) {
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this.emit( 'allRead' );
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}
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if ( !this.countUnreadTalkPageNotifications() ) {
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this.emit( 'allTalkRead' );
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}
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};
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/**
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* Respond to grouped item being empty
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*
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* @param {mw.echo.dm.NotificationItem} item Group item
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*/
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mw.echo.dm.NotificationsModel.prototype.onItemGroupEmpty = function ( item ) {
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// TODO: When we have other types of bundles, we should check how to handle
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// empty bundles (and bundles with only 1 item left)
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// In this case, the notification is a "cross wiki" notification, which
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// goes away when it is empty
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this.removeItems( [ item ] );
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};
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/**
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* Count the unread messages that originate from the user talk page.
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*
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* @return {number} Number of unread talk page messages
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*/
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mw.echo.dm.NotificationsModel.prototype.countUnreadTalkPageNotifications = function () {
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var i, len,
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talk = 0,
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items = this.unreadNotifications.getItems();
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for ( i = 0, len = items.length; i < len; i++ ) {
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if ( items[i].getCategory() === 'edit-user-talk' ) {
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talk++;
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}
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}
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return talk;
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};
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/**
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* Get the type of the notifications that this model deals with.
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* Notifications types can be 'alert', 'message' or an array of both.
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*
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* @return {string|string[]} Notifications type
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*/
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mw.echo.dm.NotificationsModel.prototype.getType = function () {
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return this.type;
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};
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/**
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* Get the counter of how many notifications are unseen
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*
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* @return {number} Number of unseen notifications
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*/
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mw.echo.dm.NotificationsModel.prototype.getUnseenCount = function () {
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return this.unseenNotifications.getItemCount();
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};
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/**
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* Get the counter of how many notifications are unread
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*
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* @return {number} Number of unread notifications
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*/
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mw.echo.dm.NotificationsModel.prototype.getUnreadCount = function () {
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return this.unreadNotifications.getItemCount();
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};
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/**
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* Get the counter of how many regular, non bundled notifications are unread
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*
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* @return {number} Number of non bundled unread notifications
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*/
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mw.echo.dm.NotificationsModel.prototype.getNonbundledUnreadCount = function () {
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var i,
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nonBundleItems = 0,
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items = this.getItems();
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for ( i = 0; i < items.length; i++ ) {
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if (
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!( items[ i ] instanceof mw.echo.dm.NotificationGroupItem ) &&
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!items[ i ].isRead()
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) {
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nonBundleItems++;
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}
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}
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return nonBundleItems;
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};
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/**
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* Set the system seen time - the last time we've marked notification as seen
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*
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* @private
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* @param {string} Mediawiki seen timestamp in Mediawiki timestamp format
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*/
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mw.echo.dm.NotificationsModel.prototype.setSeenTime = function ( time ) {
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var i,
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type = $.isArray( this.type ) ? this.type : [ this.type ];
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for ( i = 0; i < type.length; i++ ) {
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// Update all types
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this.seenTime[ type[ i ] ] = time;
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}
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};
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/**
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* Get the system seen time
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*
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* @param {string} [type] Notification type
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* @return {string} Mediawiki seen timestamp in Mediawiki timestamp format
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*/
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mw.echo.dm.NotificationsModel.prototype.getSeenTime = function ( type ) {
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type = type || ( $.isArray( this.type ) ? this.type[ 0 ] : this.type );
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return this.seenTime[ type ];
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};
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/**
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* Update the seen timestamp
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*
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* @param {string|string[]} [type] Notification type
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* @return {jQuery.Promise} A promise that resolves with the seen timestamp
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* @fires updateSeenTime
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*/
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mw.echo.dm.NotificationsModel.prototype.updateSeenTime = function ( type ) {
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var i, len, promise,
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items = this.unseenNotifications.getItems();
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type = type || this.type;
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// Update the notifications seen status
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for ( i = 0, len = items.length; i < len; i++ ) {
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items[ i ].toggleSeen( true );
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}
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this.emit( 'updateSeenTime' );
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// Only update seenTime in the API locally
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if ( !this.isForeign() ) {
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promise = this.getApi().updateSeenTime( type );
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} else {
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promise = $.Deferred().resolve();
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}
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return promise
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.then( this.setSeenTime.bind( this ) );
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};
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/**
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* Mark all notifications as read
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*
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* @return {jQuery.Promise} A promise that resolves when all notifications
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* were marked as read.
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* @fires empty
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*/
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mw.echo.dm.NotificationsModel.prototype.markAllRead = function () {
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var i, len,
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items = this.unreadNotifications.getItems(),
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length = items.length;
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// Skip if this is an automatic "mark as read" and this model is
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// external
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if ( this.external && this.autoMarkReadInProcess ) {
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return $.Deferred().resolve( 0 ).promise();
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}
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// In some cases our model is empty out of technicalities -- that is,
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// we didn't fetch its items yet. In that case, when markAllRead is
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// called, we should emit the empty event (that would have been
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// emitted if there were items that were then marked as read and removed)
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// and return a resolved promise
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if ( length === 0 ) {
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if ( this.removeReadNotifications ) {
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this.emit( 'empty' );
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}
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return $.Deferred().resolve( 0 ).promise();
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}
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this.markingAllAsRead = true;
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for ( i = 0, len = items.length; i < len; i++ ) {
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// Skip items that are external if we are in automatic 'mark all as read'
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if ( !items[ i ].isForeign() || !this.autoMarkReadInProcess ) {
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items[ i ].toggleRead( true );
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items[ i ].toggleSeen( true );
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this.unreadNotifications.removeItems( [ items[ i ] ] );
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}
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}
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this.markingAllAsRead = false;
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return this.getApi().markAllRead();
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};
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/**
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* Trigger an automatic mark all notifications as read. It's important to mark
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* this process as an automatic one, because there are several cases where we
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* don't want to mark specific notifications as automatically read (like external
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* group items)
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*
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* @return {jQuery.Promise} A promise that resolves when all notifications
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* were marked as read.
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* @fires empty
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*/
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mw.echo.dm.NotificationsModel.prototype.autoMarkAllRead = function () {
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var model = this;
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this.autoMarkReadInProcess = true;
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this.markAllRead()
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.then( function () {
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model.autoMarkReadInProcess = false;
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} );
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};
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/**
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* Update the read status of a notification item in the API
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*
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* @param {string} itemId Item id
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* @return {jQuery.Promise} A promise that resolves when the notifications
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* were marked as read.
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*/
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mw.echo.dm.NotificationsModel.prototype.markItemReadInApi = function ( itemId ) {
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if ( !this.unreadNotifications.getItemCount() ) {
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return $.Deferred().resolve( 0 ).promise();
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}
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return this.getApi().markItemRead( itemId );
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};
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/**
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* Update the read status in the API only for the existing items in this model.
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* If an item id array is given, those items will be updated. Otherwise, all items
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* in the model are updated.
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*
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* @param {string[]} [itemIds] Array of item ids
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* @return {jQuery.Promise} A promise that resolves when the notifications
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* were marked as read.
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*/
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mw.echo.dm.NotificationsModel.prototype.markExistingItemsReadInApi = function ( itemIds ) {
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itemIds = itemIds || this.getAllItemIds();
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return this.getApi().markMultipleItemsRead( itemIds );
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};
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/**
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* Get an array of the notification IDs of the items in this model
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*
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* @return {string[]} Array of notification IDs
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*/
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mw.echo.dm.NotificationsModel.prototype.getAllItemIds = function () {
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var i,
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items = this.getItems(),
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result = [];
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for ( i = 0; i < items.length; i++ ) {
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result.push( items[ i ].getId() );
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}
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return result;
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};
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/**
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* Fetch notifications from the API and update the notifications list.
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*
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* @param {jQuery.Promise} An existing promise querying the API for notifications.
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* This allows us to send an API request external to the DM and have the model
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* handle the operation as if it asked for the request itself, updating all that
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* needs to be updated and emitting all proper events.
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* @return {jQuery.Promise} A promise that resolves with an array of notification IDs
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*/
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mw.echo.dm.NotificationsModel.prototype.fetchNotifications = function ( apiPromise ) {
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var model = this;
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// Rebuild the notifications promise either when it is null or when
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// it exists in a failed state
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return ( apiPromise || this.getApi().fetchNotifications() )
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.then(
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// Success
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function ( result ) {
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var notifData, id, t, tlen, s,
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notificationModel, types, content,
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newNotifData = {},
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sources = {},
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optionItems = [],
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idArray = [],
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data = OO.getProp( result.query, 'notifications', model.type ) || { index: [] },
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sourceDefinitions = OO.getProp( result.query, 'notifications', 'sources' ) || {};
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types = $.isArray( model.type ) ? model.type : [ model.type ];
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for ( t = 0, tlen = types.length; t < tlen; t++ ) {
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data = OO.getProp( result.query, 'notifications', types[ t ] ) || { list: [] };
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for ( id in data.list ) {
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notifData = data.list[ id ];
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content = notifData['*'] || {};
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if ( model.getItemById( id ) ) {
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// Skip if we already have the item
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// TODO: Instead of skipping, we should consider repopulating
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// the item, in case there are any changes that would result
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// in repositioning/resorting in the future.
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continue;
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}
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// Collect common data
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newNotifData = {
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read: !!notifData.read,
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seen: !!notifData.read || notifData.timestamp.mw <= model.getSeenTime(),
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timestamp: notifData.timestamp.utcmw,
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category: notifData.category,
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content: {
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header: content.header,
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body: content.body
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},
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iconURL: content.iconUrl,
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iconType: content.icon,
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type: model.getType(),
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foreign: model.isForeign(),
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source: model.getSource(),
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primaryUrl: OO.getProp( content.links, 'primary', 'url' ),
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secondaryUrls: OO.getProp( content.links, 'secondary' ) || []
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};
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if ( notifData.type === 'foreign' ) {
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// Define sources
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sources = {};
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for ( s = 0; s < notifData.sources.length; s++ ) {
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sources[ notifData.sources[ s ] ] = sourceDefinitions[ notifData.sources[ s ] ];
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}
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// Create model
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notificationModel = new mw.echo.dm.NotificationGroupItem(
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model.networkHandler,
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|
sources,
|
|
id,
|
|
$.extend( true, {}, newNotifData, {
|
|
// This should probably be separated by bundled
|
|
// type. Some types don't have read messages, but
|
|
// some do
|
|
removeReadNotifications: true,
|
|
// Override the foreign flag to 'true' for cross-wiki
|
|
// notifications.
|
|
// For bundles that are not foreign (like regular
|
|
// bundles of notifications) this flag should be false
|
|
foreign: true,
|
|
count: notifData.count
|
|
} )
|
|
);
|
|
} else {
|
|
notificationModel = new mw.echo.dm.NotificationItem(
|
|
id,
|
|
newNotifData
|
|
);
|
|
}
|
|
|
|
idArray.push( notifData.id );
|
|
optionItems.push( notificationModel );
|
|
}
|
|
}
|
|
|
|
// Add to the model
|
|
model.addItems( optionItems, 0 );
|
|
|
|
model.emit( 'done', true, { ids: idArray } );
|
|
return idArray;
|
|
},
|
|
// Failure
|
|
function ( errCode, errObj ) {
|
|
// TODO: The 'analysis' of which error we are working with should
|
|
// be in the network layer of Echo's frontend code
|
|
model.emit(
|
|
'done',
|
|
false,
|
|
{
|
|
errCode: errCode,
|
|
errInfo: errCode === 'http' ?
|
|
mw.msg( 'echo-api-failure-cross-wiki' ) :
|
|
OO.getProp( errObj, 'error', 'info' )
|
|
} );
|
|
}
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Update the unread and unseen tracking lists when we add items
|
|
*
|
|
* @param {mw.echo.dm.NotificationItem[]} items Items to add
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.addItems = function ( items ) {
|
|
var i, len;
|
|
|
|
for ( i = 0, len = items.length; i < len; i++ ) {
|
|
if ( !items[ i ].isRead() ) {
|
|
this.unreadNotifications.addItems( [ items[ i ] ] );
|
|
}
|
|
if ( !items[ i ].isSeen() ) {
|
|
this.unseenNotifications.addItems( [ items[ i ] ] );
|
|
}
|
|
}
|
|
// Parent
|
|
mw.echo.dm.SortedList.prototype.addItems.call( this, items );
|
|
};
|
|
|
|
/**
|
|
* Update the unread and unseen tracking lists when we remove items
|
|
*
|
|
* @param {mw.echo.dm.NotificationItem[]} items Items to remove
|
|
* @param {number} index Index to add items at
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.removeItems = function ( items ) {
|
|
var i, len;
|
|
|
|
for ( i = 0, len = items.length; i < len; i++ ) {
|
|
this.unreadNotifications.removeItems( [ items[ i ] ] );
|
|
this.unseenNotifications.removeItems( [ items[ i ] ] );
|
|
}
|
|
|
|
// Parent
|
|
mw.echo.dm.SortedList.prototype.removeItems.call( this, items );
|
|
|
|
if ( this.isEmpty() ) {
|
|
this.emit( 'empty' );
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Update the unread and unseen tracking lists when we clear items
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.clearItems = function () {
|
|
this.unreadNotifications.clearItems();
|
|
this.unseenNotifications.clearItems();
|
|
|
|
// Parent
|
|
mw.echo.dm.SortedList.prototype.clearItems.call( this );
|
|
this.emit( 'empty' );
|
|
};
|
|
|
|
/**
|
|
* Query the API for unread count of the notifications in this model
|
|
*
|
|
* @return {jQuery.Promise} jQuery promise that's resolved when the unread count is fetched
|
|
* and the badge label is updated.
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.fetchUnreadCountFromApi = function () {
|
|
return this.getApi().fetchUnreadCount();
|
|
};
|
|
|
|
/**
|
|
* Check whether the model is fetching notifications from the API
|
|
*
|
|
* @return {boolean} The model is in the process of fetching from the API
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.isFetchingNotifications = function () {
|
|
return this.getApi().isFetchingNotifications();
|
|
};
|
|
|
|
/**
|
|
* Check whether the model has an api error state flagged
|
|
*
|
|
* @return {boolean} The model is in api error state
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.isFetchingErrorState = function () {
|
|
return this.getApi().isFetchingErrorState();
|
|
};
|
|
|
|
/**
|
|
* Return the fetch notifications promise
|
|
* @return {jQuery.Promise} Promise that is resolved when notifications were
|
|
* fetched from the API.
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getFetchNotificationPromise = function () {
|
|
return this.getApi().getFetchNotificationPromise();
|
|
};
|
|
|
|
/**
|
|
* Get the timestamp of the latest unread item
|
|
*
|
|
* @return {mw.echo.dm.APIHandler} API handler
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getTimestamp = function () {
|
|
var items = this.getItems();
|
|
|
|
// This is a sorted list, so the top (first) item is also the 'latest'
|
|
// item for this purpose.
|
|
return items[ 0 ] && items[ 0 ].getTimestamp();
|
|
};
|
|
|
|
/**
|
|
* Get the API handler associated with this model's source
|
|
*
|
|
* @return {mw.echo.dm.APIHandler} API handler
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getApi = function () {
|
|
return this.networkHandler.getApiHandler( this.source );
|
|
};
|
|
|
|
/**
|
|
* Get the network handler
|
|
*
|
|
* @return {mw.echo.dm.NetworkHandler} Network handler
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getNetworkHandler = function () {
|
|
return this.networkHandler;
|
|
};
|
|
|
|
/**
|
|
* Get the source this model is associated with
|
|
*
|
|
* @return {string} Symbolic name for the APIHandler source
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getSource = function () {
|
|
return this.source;
|
|
};
|
|
|
|
/**
|
|
* Get the title of this model
|
|
*
|
|
* @return {string} Title
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getTitle = function () {
|
|
return this.title;
|
|
};
|
|
|
|
/**
|
|
* Get the id of this model
|
|
*
|
|
* @return {string} id
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.getId = function () {
|
|
return this.id;
|
|
};
|
|
|
|
/**
|
|
* This model is foreign
|
|
*
|
|
* @return {boolean} Model is foreign
|
|
*/
|
|
mw.echo.dm.NotificationsModel.prototype.isForeign = function () {
|
|
return this.foreign;
|
|
};
|
|
|
|
} )( mediaWiki, jQuery );
|