Files
mostlymatter/web/react/stores/post_store.jsx

425 строки
14 KiB
JavaScript

// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var EventEmitter = require('events').EventEmitter;
var assign = require('object-assign');
var ChannelStore = require('../stores/channel_store.jsx');
var BrowserStore = require('../stores/browser_store.jsx');
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
var CHANGE_EVENT = 'change';
var SEARCH_CHANGE_EVENT = 'search_change';
var SEARCH_TERM_CHANGE_EVENT = 'search_term_change';
var SELECTED_POST_CHANGE_EVENT = 'selected_post_change';
var MENTION_DATA_CHANGE_EVENT = 'mention_data_change';
var ADD_MENTION_EVENT = 'add_mention';
var PostStore = assign({}, EventEmitter.prototype, {
emitChange: function emitChange() {
this.emit(CHANGE_EVENT);
},
addChangeListener: function addChangeListener(callback) {
this.on(CHANGE_EVENT, callback);
},
removeChangeListener: function removeChangeListener(callback) {
this.removeListener(CHANGE_EVENT, callback);
},
emitSearchChange: function emitSearchChange() {
this.emit(SEARCH_CHANGE_EVENT);
},
addSearchChangeListener: function addSearchChangeListener(callback) {
this.on(SEARCH_CHANGE_EVENT, callback);
},
removeSearchChangeListener: function removeSearchChangeListener(callback) {
this.removeListener(SEARCH_CHANGE_EVENT, callback);
},
emitSearchTermChange: function emitSearchTermChange(doSearch, isMentionSearch) {
this.emit(SEARCH_TERM_CHANGE_EVENT, doSearch, isMentionSearch);
},
addSearchTermChangeListener: function addSearchTermChangeListener(callback) {
this.on(SEARCH_TERM_CHANGE_EVENT, callback);
},
removeSearchTermChangeListener: function removeSearchTermChangeListener(callback) {
this.removeListener(SEARCH_TERM_CHANGE_EVENT, callback);
},
emitSelectedPostChange: function emitSelectedPostChange(fromSearch) {
this.emit(SELECTED_POST_CHANGE_EVENT, fromSearch);
},
addSelectedPostChangeListener: function addSelectedPostChangeListener(callback) {
this.on(SELECTED_POST_CHANGE_EVENT, callback);
},
removeSelectedPostChangeListener: function removeSelectedPostChangeListener(callback) {
this.removeListener(SELECTED_POST_CHANGE_EVENT, callback);
},
emitMentionDataChange: function emitMentionDataChange(id, mentionText) {
this.emit(MENTION_DATA_CHANGE_EVENT, id, mentionText);
},
addMentionDataChangeListener: function addMentionDataChangeListener(callback) {
this.on(MENTION_DATA_CHANGE_EVENT, callback);
},
removeMentionDataChangeListener: function removeMentionDataChangeListener(callback) {
this.removeListener(MENTION_DATA_CHANGE_EVENT, callback);
},
emitAddMention: function emitAddMention(id, username) {
this.emit(ADD_MENTION_EVENT, id, username);
},
addAddMentionListener: function addAddMentionListener(callback) {
this.on(ADD_MENTION_EVENT, callback);
},
removeAddMentionListener: function removeAddMentionListener(callback) {
this.removeListener(ADD_MENTION_EVENT, callback);
},
getCurrentPosts: function getCurrentPosts() {
var currentId = ChannelStore.getCurrentId();
if (currentId != null) {
return this.getPosts(currentId);
}
return null;
},
storePosts: function storePosts(channelId, newPostList) {
if (isPostListNull(newPostList)) {
return;
}
var postList = makePostListNonNull(PostStore.getPosts(channelId));
for (var pid in newPostList.posts) {
var 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];
}
var index = postList.order.indexOf(pid);
if (index !== -1) {
postList.order.splice(index, 1);
}
}
}
postList.order.sort(function postSort(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: function pStorePosts(channelId, posts) {
BrowserStore.setItem('posts_' + channelId, posts);
},
getPosts: function getPosts(channelId) {
return BrowserStore.getItem('posts_' + channelId);
},
storePost: function(post) {
this.pStorePost(post);
this.emitChange();
},
pStorePost: function(post) {
var postList = PostStore.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: function(postId, channelId) {
var postList = PostStore.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: function(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._storePendingPosts(post.channel_id, postList);
this.emitChange();
},
_storePendingPosts: function(channelId, postList) {
var posts = postList.posts;
// sort failed posts to the bottom
postList.order.sort(function postSort(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.setItem('pending_posts_' + channelId, postList);
},
getPendingPosts: function(channelId) {
return BrowserStore.getItem('pending_posts_' + channelId);
},
storeUnseenDeletedPost: function(post) {
var posts = this.getUnseenDeletedPosts(post.channel_id);
if (!posts) {
posts = {};
}
post.message = '(message deleted)';
post.state = Constants.POST_DELETED;
posts[post.id] = post;
this.storeUnseenDeletedPosts(post.channel_id, posts);
},
storeUnseenDeletedPosts: function(channelId, posts) {
BrowserStore.setItem('deleted_posts_' + channelId, posts);
},
getUnseenDeletedPosts: function(channelId) {
return BrowserStore.getItem('deleted_posts_' + channelId);
},
clearUnseenDeletedPosts: function(channelId) {
BrowserStore.setItem('deleted_posts_' + channelId, {});
},
removePendingPost: function(channelId, pendingPostId) {
this._removePendingPost(channelId, pendingPostId);
this.emitChange();
},
_removePendingPost: function(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._storePendingPosts(channelId, postList);
},
clearPendingPosts: function() {
BrowserStore.actionOnItemsWithPrefix('pending_posts_', function clearPending(key) {
BrowserStore.removeItem(key);
});
},
updatePendingPost: function(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._storePendingPosts(post.channel_id, postList);
this.emitChange();
},
storeSearchResults: function storeSearchResults(results, isMentionSearch) {
BrowserStore.setItem('search_results', results);
BrowserStore.setItem('is_mention_search', Boolean(isMentionSearch));
},
getSearchResults: function getSearchResults() {
return BrowserStore.getItem('search_results');
},
getIsMentionSearch: function getIsMentionSearch() {
return BrowserStore.getItem('is_mention_search');
},
storeSelectedPost: function storeSelectedPost(postList) {
BrowserStore.setItem('select_post', postList);
},
getSelectedPost: function getSelectedPost() {
return BrowserStore.getItem('select_post');
},
storeSearchTerm: function storeSearchTerm(term) {
BrowserStore.setItem('search_term', term);
},
getSearchTerm: function getSearchTerm() {
return BrowserStore.getItem('search_term');
},
getEmptyDraft: function getEmptyDraft(draft) {
return {message: '', uploadsInProgress: [], previews: []};
},
storeCurrentDraft: function storeCurrentDraft(draft) {
var channelId = ChannelStore.getCurrentId();
BrowserStore.setItem('draft_' + channelId, draft);
},
getCurrentDraft: function getCurrentDraft() {
var channelId = ChannelStore.getCurrentId();
return PostStore.getDraft(channelId);
},
storeDraft: function storeDraft(channelId, draft) {
BrowserStore.setItem('draft_' + channelId, draft);
},
getDraft: function getDraft(channelId) {
return BrowserStore.getItem('draft_' + channelId, PostStore.getEmptyDraft());
},
storeCommentDraft: function storeCommentDraft(parentPostId, draft) {
BrowserStore.setItem('comment_draft_' + parentPostId, draft);
},
getCommentDraft: function getCommentDraft(parentPostId) {
return BrowserStore.getItem('comment_draft_' + parentPostId, PostStore.getEmptyDraft());
},
clearDraftUploads: function clearDraftUploads() {
BrowserStore.actionOnItemsWithPrefix('draft_', function clearUploads(key, value) {
if (value) {
value.uploadsInProgress = [];
BrowserStore.setItem(key, value);
}
});
},
clearCommentDraftUploads: function clearCommentDraftUploads() {
BrowserStore.actionOnItemsWithPrefix('comment_draft_', function clearUploads(key, value) {
if (value) {
value.uploadsInProgress = [];
BrowserStore.setItem(key, value);
}
});
},
storeLatestUpdate: function(channelId, time) {
BrowserStore.setItem('latest_post_' + channelId, time);
},
getLatestUpdate: function(channelId) {
return BrowserStore.getItem('latest_post_' + channelId, 0);
}
});
PostStore.dispatchToken = AppDispatcher.register(function registry(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_SEARCH:
PostStore.storeSearchResults(action.results, action.is_mention_search);
PostStore.emitSearchChange();
break;
case ActionTypes.RECIEVED_SEARCH_TERM:
PostStore.storeSearchTerm(action.term);
PostStore.emitSearchTermChange(action.do_search, action.is_mention_search);
break;
case ActionTypes.RECIEVED_POST_SELECTED:
PostStore.storeSelectedPost(action.post_list);
PostStore.emitSelectedPostChange(action.from_search);
break;
case ActionTypes.RECIEVED_MENTION_DATA:
PostStore.emitMentionDataChange(action.id, action.mention_text);
break;
case ActionTypes.RECIEVED_ADD_MENTION:
PostStore.emitAddMention(action.id, action.username);
break;
default:
}
});
module.exports = 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;
}