Files
mattermost/web/react/stores/post_store.jsx
2015-10-26 15:45:52 -04:00

435 lines
14 KiB
JavaScript

// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var EventEmitter = require('events').EventEmitter;
var ChannelStore = require('../stores/channel_store.jsx');
var BrowserStore = require('../stores/browser_store.jsx');
var UserStore = require('../stores/user_store.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
var CHANGE_EVENT = 'change';
var SELECTED_POST_CHANGE_EVENT = 'selected_post_change';
var EDIT_POST_EVENT = 'edit_post';
class PostStoreClass extends EventEmitter {
constructor() {
super();
this.emitChange = this.emitChange.bind(this);
this.addChangeListener = this.addChangeListener.bind(this);
this.removeChangeListener = this.removeChangeListener.bind(this);
this.emitSelectedPostChange = this.emitSelectedPostChange.bind(this);
this.addSelectedPostChangeListener = this.addSelectedPostChangeListener.bind(this);
this.removeSelectedPostChangeListener = this.removeSelectedPostChangeListener.bind(this);
this.emitEditPost = this.emitEditPost.bind(this);
this.addEditPostListener = this.addEditPostListener.bind(this);
this.removeEditPostListener = this.removeEditPostListener.bind(this);
this.getCurrentPosts = this.getCurrentPosts.bind(this);
this.storePosts = this.storePosts.bind(this);
this.pStorePosts = this.pStorePosts.bind(this);
this.getPosts = this.getPosts.bind(this);
this.storePost = this.storePost.bind(this);
this.pStorePost = this.pStorePost.bind(this);
this.removePost = this.removePost.bind(this);
this.storePendingPost = this.storePendingPost.bind(this);
this.pStorePendingPosts = this.pStorePendingPosts.bind(this);
this.getPendingPosts = this.getPendingPosts.bind(this);
this.storeUnseenDeletedPost = this.storeUnseenDeletedPost.bind(this);
this.storeUnseenDeletedPosts = this.storeUnseenDeletedPosts.bind(this);
this.getUnseenDeletedPosts = this.getUnseenDeletedPosts.bind(this);
this.clearUnseenDeletedPosts = this.clearUnseenDeletedPosts.bind(this);
this.removePendingPost = this.removePendingPost.bind(this);
this.pRemovePendingPost = this.pRemovePendingPost.bind(this);
this.clearPendingPosts = this.clearPendingPosts.bind(this);
this.updatePendingPost = this.updatePendingPost.bind(this);
this.storeSelectedPost = this.storeSelectedPost.bind(this);
this.getSelectedPost = this.getSelectedPost.bind(this);
this.getEmptyDraft = this.getEmptyDraft.bind(this);
this.storeCurrentDraft = this.storeCurrentDraft.bind(this);
this.getCurrentDraft = this.getCurrentDraft.bind(this);
this.storeDraft = this.storeDraft.bind(this);
this.getDraft = this.getDraft.bind(this);
this.storeCommentDraft = this.storeCommentDraft.bind(this);
this.getCommentDraft = this.getCommentDraft.bind(this);
this.clearDraftUploads = this.clearDraftUploads.bind(this);
this.clearCommentDraftUploads = this.clearCommentDraftUploads.bind(this);
this.storeLatestUpdate = this.storeLatestUpdate.bind(this);
this.getLatestUpdate = this.getLatestUpdate.bind(this);
this.getCurrentUsersLatestPost = this.getCurrentUsersLatestPost.bind(this);
}
emitChange() {
this.emit(CHANGE_EVENT);
}
addChangeListener(callback) {
this.on(CHANGE_EVENT, callback);
}
removeChangeListener(callback) {
this.removeListener(CHANGE_EVENT, callback);
}
emitSelectedPostChange(fromSearch) {
this.emit(SELECTED_POST_CHANGE_EVENT, fromSearch);
}
addSelectedPostChangeListener(callback) {
this.on(SELECTED_POST_CHANGE_EVENT, callback);
}
removeSelectedPostChangeListener(callback) {
this.removeListener(SELECTED_POST_CHANGE_EVENT, callback);
}
emitEditPost(post) {
this.emit(EDIT_POST_EVENT, post);
}
addEditPostListener(callback) {
this.on(EDIT_POST_EVENT, callback);
}
removeEditPostListener(callback) {
this.removeListener(EDIT_POST_EVENT, callback);
}
getCurrentPosts() {
var currentId = ChannelStore.getCurrentId();
if (currentId != null) {
return this.getPosts(currentId);
}
return null;
}
storePosts(channelId, newPostList) {
if (isPostListNull(newPostList)) {
return;
}
var postList = makePostListNonNull(this.getPosts(channelId));
for (const pid in newPostList.posts) {
if (newPostList.posts.hasOwnProperty(pid)) {
const np = newPostList.posts[pid];
if (np.delete_at === 0) {
postList.posts[pid] = np;
if (postList.order.indexOf(pid) === -1) {
postList.order.push(pid);
}
} else {
if (pid in postList.posts) {
delete postList.posts[pid];
}
const index = postList.order.indexOf(pid);
if (index !== -1) {
postList.order.splice(index, 1);
}
}
}
}
postList.order.sort((a, b) => {
if (postList.posts[a].create_at > postList.posts[b].create_at) {
return -1;
}
if (postList.posts[a].create_at < postList.posts[b].create_at) {
return 1;
}
return 0;
});
var latestUpdate = 0;
for (var pid in postList.posts) {
if (postList.posts[pid].update_at > latestUpdate) {
latestUpdate = postList.posts[pid].update_at;
}
}
this.storeLatestUpdate(channelId, latestUpdate);
this.pStorePosts(channelId, postList);
this.emitChange();
}
pStorePosts(channelId, posts) {
BrowserStore.setItem('posts_' + channelId, posts);
}
getPosts(channelId) {
return BrowserStore.getItem('posts_' + channelId);
}
getCurrentUsersLatestPost(channelId, rootId) {
const userId = UserStore.getCurrentId();
var postList = makePostListNonNull(this.getPosts(channelId));
var i = 0;
var len = postList.order.length;
var lastPost = null;
for (i; i < len; i++) {
if (postList.posts[postList.order[i]].user_id === userId) {
if (rootId) {
if (postList.posts[postList.order[i]].root_id === rootId || postList.posts[postList.order[i]].id === rootId) {
lastPost = postList.posts[postList.order[i]];
break;
}
} else {
lastPost = postList.posts[postList.order[i]];
break;
}
}
}
return lastPost;
}
storePost(post) {
this.pStorePost(post);
this.emitChange();
}
pStorePost(post) {
var postList = this.getPosts(post.channel_id);
postList = makePostListNonNull(postList);
if (post.pending_post_id !== '') {
this.removePendingPost(post.channel_id, post.pending_post_id);
}
post.pending_post_id = '';
postList.posts[post.id] = post;
if (postList.order.indexOf(post.id) === -1) {
postList.order.unshift(post.id);
}
this.pStorePosts(post.channel_id, postList);
}
removePost(postId, channelId) {
var postList = this.getPosts(channelId);
if (isPostListNull(postList)) {
return;
}
if (postId in postList.posts) {
delete postList.posts[postId];
}
var index = postList.order.indexOf(postId);
if (index !== -1) {
postList.order.splice(index, 1);
}
this.pStorePosts(channelId, postList);
}
storePendingPost(post) {
post.state = Constants.POST_LOADING;
var postList = this.getPendingPosts(post.channel_id);
postList = makePostListNonNull(postList);
postList.posts[post.pending_post_id] = post;
postList.order.unshift(post.pending_post_id);
this.pStorePendingPosts(post.channel_id, postList);
this.emitChange();
}
pStorePendingPosts(channelId, postList) {
var posts = postList.posts;
// sort failed posts to the bottom
postList.order.sort((a, b) => {
if (posts[a].state === Constants.POST_LOADING && posts[b].state === Constants.POST_FAILED) {
return 1;
}
if (posts[a].state === Constants.POST_FAILED && posts[b].state === Constants.POST_LOADING) {
return -1;
}
if (posts[a].create_at > posts[b].create_at) {
return -1;
}
if (posts[a].create_at < posts[b].create_at) {
return 1;
}
return 0;
});
BrowserStore.setGlobalItem('pending_posts_' + channelId, postList);
}
getPendingPosts(channelId) {
return BrowserStore.getGlobalItem('pending_posts_' + channelId);
}
storeUnseenDeletedPost(post) {
var posts = this.getUnseenDeletedPosts(post.channel_id);
if (!posts) {
posts = {};
}
post.message = '(message deleted)';
post.state = Constants.POST_DELETED;
post.filenames = [];
posts[post.id] = post;
this.storeUnseenDeletedPosts(post.channel_id, posts);
}
storeUnseenDeletedPosts(channelId, posts) {
BrowserStore.setItem('deleted_posts_' + channelId, posts);
}
getUnseenDeletedPosts(channelId) {
return BrowserStore.getItem('deleted_posts_' + channelId);
}
clearUnseenDeletedPosts(channelId) {
BrowserStore.setItem('deleted_posts_' + channelId, {});
}
removePendingPost(channelId, pendingPostId) {
this.pRemovePendingPost(channelId, pendingPostId);
this.emitChange();
}
pRemovePendingPost(channelId, pendingPostId) {
var postList = this.getPendingPosts(channelId);
postList = makePostListNonNull(postList);
if (pendingPostId in postList.posts) {
delete postList.posts[pendingPostId];
}
var index = postList.order.indexOf(pendingPostId);
if (index !== -1) {
postList.order.splice(index, 1);
}
this.pStorePendingPosts(channelId, postList);
}
clearPendingPosts() {
BrowserStore.actionOnGlobalItemsWithPrefix('pending_posts_', (key) => {
BrowserStore.removeItem(key);
});
}
updatePendingPost(post) {
var postList = this.getPendingPosts(post.channel_id);
postList = makePostListNonNull(postList);
if (postList.order.indexOf(post.pending_post_id) === -1) {
return;
}
postList.posts[post.pending_post_id] = post;
this.pStorePendingPosts(post.channel_id, postList);
this.emitChange();
}
storeSelectedPost(postList) {
BrowserStore.setItem('select_post', postList);
}
getSelectedPost() {
return BrowserStore.getItem('select_post');
}
getEmptyDraft() {
return {message: '', uploadsInProgress: [], previews: []};
}
storeCurrentDraft(draft) {
var channelId = ChannelStore.getCurrentId();
BrowserStore.setGlobalItem('draft_' + channelId, draft);
}
getCurrentDraft() {
var channelId = ChannelStore.getCurrentId();
return this.getDraft(channelId);
}
storeDraft(channelId, draft) {
BrowserStore.setGlobalItem('draft_' + channelId, draft);
}
getDraft(channelId) {
return BrowserStore.getGlobalItem('draft_' + channelId, this.getEmptyDraft());
}
storeCommentDraft(parentPostId, draft) {
BrowserStore.setGlobalItem('comment_draft_' + parentPostId, draft);
}
getCommentDraft(parentPostId) {
return BrowserStore.getGlobalItem('comment_draft_' + parentPostId, this.getEmptyDraft());
}
clearDraftUploads() {
BrowserStore.actionOnGlobalItemsWithPrefix('draft_', (key, value) => {
if (value) {
value.uploadsInProgress = [];
BrowserStore.setItem(key, value);
}
});
}
clearCommentDraftUploads() {
BrowserStore.actionOnGlobalItemsWithPrefix('comment_draft_', (key, value) => {
if (value) {
value.uploadsInProgress = [];
BrowserStore.setItem(key, value);
}
});
}
storeLatestUpdate(channelId, time) {
BrowserStore.setItem('latest_post_' + channelId, time);
}
getLatestUpdate(channelId) {
return BrowserStore.getItem('latest_post_' + channelId, 0);
}
}
var PostStore = new PostStoreClass();
PostStore.dispatchToken = AppDispatcher.register((payload) => {
var action = payload.action;
switch (action.type) {
case ActionTypes.RECIEVED_POSTS:
PostStore.storePosts(action.id, makePostListNonNull(action.post_list));
break;
case ActionTypes.RECIEVED_POST:
PostStore.pStorePost(action.post);
PostStore.emitChange();
break;
case ActionTypes.RECIEVED_POST_SELECTED:
PostStore.storeSelectedPost(action.post_list);
PostStore.emitSelectedPostChange(action.from_search);
break;
case ActionTypes.RECIEVED_EDIT_POST:
PostStore.emitEditPost(action);
break;
default:
}
});
export default PostStore;
function makePostListNonNull(pl) {
var postList = pl;
if (postList == null) {
postList = {order: [], posts: {}};
}
if (postList.order == null) {
postList.order = [];
}
if (postList.posts == null) {
postList.posts = {};
}
return postList;
}
function isPostListNull(pl) {
if (pl == null) {
return true;
}
if (pl.posts == null) {
return true;
}
if (pl.order == null) {
return true;
}
return false;
}