framework/js/old/common/models/Discussion.js
2020-04-18 09:02:49 -04:00

105 lines
2.9 KiB
JavaScript

import Model from '../Model';
import computed from '../utils/computed';
import ItemList from '../utils/ItemList';
import Badge from '../components/Badge';
export default class Discussion extends Model {}
Object.assign(Discussion.prototype, {
title: Model.attribute('title'),
slug: Model.attribute('slug'),
createdAt: Model.attribute('createdAt', Model.transformDate),
user: Model.hasOne('user'),
firstPost: Model.hasOne('firstPost'),
lastPostedAt: Model.attribute('lastPostedAt', Model.transformDate),
lastPostedUser: Model.hasOne('lastPostedUser'),
lastPost: Model.hasOne('lastPost'),
lastPostNumber: Model.attribute('lastPostNumber'),
commentCount: Model.attribute('commentCount'),
replyCount: computed('commentCount', (commentCount) => Math.max(0, commentCount - 1)),
posts: Model.hasMany('posts'),
mostRelevantPost: Model.hasOne('mostRelevantPost'),
lastReadAt: Model.attribute('lastReadAt', Model.transformDate),
lastReadPostNumber: Model.attribute('lastReadPostNumber'),
isUnread: computed('unreadCount', (unreadCount) => !!unreadCount),
isRead: computed('unreadCount', (unreadCount) => app.session.user && !unreadCount),
hiddenAt: Model.attribute('hiddenAt', Model.transformDate),
hiddenUser: Model.hasOne('hiddenUser'),
isHidden: computed('hiddenAt', (hiddenAt) => !!hiddenAt),
canReply: Model.attribute('canReply'),
canRename: Model.attribute('canRename'),
canHide: Model.attribute('canHide'),
canDelete: Model.attribute('canDelete'),
/**
* Remove a post from the discussion's posts relationship.
*
* @param {Integer} id The ID of the post to remove.
* @public
*/
removePost(id) {
const relationships = this.data.relationships;
const posts = relationships && relationships.posts;
if (posts) {
posts.data.some((data, i) => {
if (id === data.id) {
posts.data.splice(i, 1);
return true;
}
});
}
},
/**
* Get the estimated number of unread posts in this discussion for the current
* user.
*
* @return {Integer}
* @public
*/
unreadCount() {
const user = app.session.user;
if (user && user.markedAllAsReadAt() < this.lastPostedAt()) {
return Math.max(0, this.lastPostNumber() - (this.lastReadPostNumber() || 0));
}
return 0;
},
/**
* Get the Badge components that apply to this discussion.
*
* @return {ItemList}
* @public
*/
badges() {
const items = new ItemList();
if (this.isHidden()) {
items.add('hidden', <Badge type="hidden" icon="fas fa-trash" label={app.translator.trans('core.lib.badge.hidden_tooltip')} />);
}
return items;
},
/**
* Get a list of all of the post IDs in this discussion.
*
* @return {Array}
* @public
*/
postIds() {
const posts = this.data.relationships.posts;
return posts ? posts.data.map((link) => link.id) : [];
},
});