PLT-3506 Added flagged posts functionality (#3679)

* Added flagged posts functionality

* UI Improvements to flags (#3697)

* Added flag functionality for mobile

* Updating flagged text (#3699)

* Add back button to RHS thread when coming from flagged posts

* Updating position of flags (#3708)

* Plt 3506 - Reverting flag position (#3724)

* Revert "Updating position of flags (#3708)"

This reverts commit aaa05632c5d9eda35a048300a5bd7e99584c5b58.

* Fixing the icon in search

* Help text and white space improvements (#3730)

* Updatng help text and some white spacing.

* Updating help text

webapp/actions/global_actions.jsx

@@ -190,7 +190,8 @@ export function emitPostFocusRightHandSideFromSearch(post, isMentionSearch) {
             AppDispatcher.handleServerAction({
                 type: ActionTypes.RECEIVED_POST_SELECTED,
                 postId: Utils.getRootId(post),
-                from_search: SearchStore.getSearchTerm()
+                from_search: SearchStore.getSearchTerm(),
+                from_flagged_posts: SearchStore.getIsFlaggedPosts()
             });
 
             AppDispatcher.handleServerAction({

webapp/actions/post_actions.jsx

@@ -9,12 +9,13 @@ import TeamStore from 'stores/team_store.jsx';
 import UserStore from 'stores/user_store.jsx';
 
 import * as PostUtils from 'utils/post_utils.jsx';
-import Constants from 'utils/constants.jsx';
-const ActionTypes = Constants.ActionTypes;
-
 import Client from 'client/web_client.jsx';
 import * as AsyncClient from 'utils/async_client.jsx';
 
+import Constants from 'utils/constants.jsx';
+const ActionTypes = Constants.ActionTypes;
+const Preferences = Constants.Preferences;
+
 export function handleNewPost(post, msg) {
     if (ChannelStore.getCurrentId() === post.channel_id) {
         if (window.isActive) {
@@ -116,3 +117,38 @@ export function setUnreadPost(channelId, postId) {
         ChannelStore.emitLastViewed(lastViewed, ownNewMessage);
     }
 }
+
+export function flagPost(postId) {
+    AsyncClient.savePreference(Preferences.CATEGORY_FLAGGED_POST, postId, 'true');
+}
+
+export function unflagPost(postId, success) {
+    const pref = {
+        user_id: UserStore.getCurrentId(),
+        category: Preferences.CATEGORY_FLAGGED_POST,
+        name: postId
+    };
+    AsyncClient.deletePreferences([pref], success);
+}
+
+export function getFlaggedPosts() {
+    Client.getFlaggedPosts(0, Constants.POST_CHUNK_SIZE,
+        (data) => {
+            AppDispatcher.handleServerAction({
+                type: ActionTypes.RECEIVED_SEARCH,
+                results: data,
+                is_flagged_posts: true
+            });
+
+            AppDispatcher.handleServerAction({
+                type: ActionTypes.RECEIVED_SEARCH_TERM,
+                term: null,
+                do_search: false,
+                is_mention_search: false
+            });
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'getFlaggedPosts');
+        }
+    );
+}