Implementing Permalinks and jumping to post from search. Performance

improvements.

web/react/dispatcher/event_helpers.jsx

@@ -0,0 +1,83 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import AppDispatcher from '../dispatcher/app_dispatcher.jsx';
+import ChannelStore from '../stores/channel_store.jsx';
+import PostStore from '../stores/post_store.jsx';
+import Constants from '../utils/constants.jsx';
+const ActionTypes = Constants.ActionTypes;
+import * as AsyncClient from '../utils/async_client.jsx';
+import * as Client from '../utils/client.jsx';
+
+export function emitChannelClickEvent(channel) {
+    AsyncClient.getChannels();
+    AsyncClient.getChannelExtraInfo();
+    AsyncClient.updateLastViewedAt();
+    AsyncClient.getPosts(channel.id);
+
+    AppDispatcher.handleViewAction({
+        type: ActionTypes.CLICK_CHANNEL,
+        name: channel.name,
+        id: channel.id
+    });
+}
+
+export function emitPostFocusEvent(postId) {
+    Client.getPostById(
+        postId,
+        (data) => {
+            AppDispatcher.handleServerAction({
+                type: ActionTypes.RECIEVED_FOCUSED_POST,
+                postId,
+                post_list: data
+            });
+
+            AsyncClient.getPostsBefore(postId, 0, Constants.POST_FOCUS_CONTEXT_RADIUS);
+            AsyncClient.getPostsAfter(postId, 0, Constants.POST_FOCUS_CONTEXT_RADIUS);
+        }
+    );
+}
+
+export function emitLoadMorePostsEvent() {
+    const id = ChannelStore.getCurrentId();
+    loadMorePostsTop(id);
+}
+
+export function emitLoadMorePostsFocusedTopEvent() {
+    const id = PostStore.getFocusedPostId();
+    loadMorePostsTop(id);
+}
+
+export function loadMorePostsTop(id) {
+    const earliestPostId = PostStore.getEarliestPost(id).id;
+    if (PostStore.requestVisibilityIncrease(id, Constants.POST_CHUNK_SIZE)) {
+        AsyncClient.getPostsBefore(earliestPostId, 0, Constants.POST_CHUNK_SIZE);
+    }
+}
+
+export function emitLoadMorePostsFocusedBottomEvent() {
+    const id = PostStore.getFocusedPostId();
+    const latestPostId = PostStore.getLatestPost(id).id;
+    AsyncClient.getPostsAfter(latestPostId, 0, Constants.POST_CHUNK_SIZE);
+}
+
+export function emitPostRecievedEvent(post) {
+    AppDispatcher.handleServerAction({
+        type: ActionTypes.RECIEVED_POST,
+        post
+    });
+}
+
+export function emitUserPostedEvent(post) {
+    AppDispatcher.handleServerAction({
+        type: ActionTypes.CREATE_POST,
+        post
+    });
+}
+
+export function emitPostDeletedEvent(post) {
+    AppDispatcher.handleServerAction({
+        type: ActionTypes.POST_DELETED,
+        post
+    });
+}