cache unread count

2 files changed, 48 insertions, 5 deletions

diff --git a/js/service/FeedResource.js b/js/service/FeedResource.js
index 548c5a27c..5880c83fd 100644
--- a/js/service/FeedResource.js
+++ b/js/service/FeedResource.js
@@ -15,6 +15,31 @@ app.factory('FeedResource', (Resource, $http, BASE_URL) => {
         constructor ($http, BASE_URL) {
             super($http, BASE_URL, 'url');
             this.ids = {};
+            this.unreadCount = 0;
+            this.folderUnreadCount = {};
+        }
+
+
+        receive (data) {
+            super.receive(data);
+            this.updateUnreadCache();
+        }
+
+
+        updateUnreadCache () {
+            this.unreadCount = 0;
+            this.folderUnreadCount = {};
+
+            for (let value of this.values) {
+                if (value.unreadCount) {
+                    this.unreadCount += value.unreadCount;
+                }
+                if (value.folderId !== undefined) {
+                    this.folderUnreadCount[value.folderId] =
+                        this.folderUnreadCount[value.folderId] || 0;
+                    this.folderUnreadCount[value.folderId] += value.unreadCount;
+                }
+            }
         }
 
 
@@ -37,29 +62,47 @@ app.factory('FeedResource', (Resource, $http, BASE_URL) => {
             for (let feed of this.values) {
                 feed.unreadCount = 0;
             }
+            this.unreadCount = 0;
+            this.folderUnreadCount = {};
         }
 
 
         markFeedRead (feedId) {
             this.ids[feedId].unreadCount = 0;
+            this.updateUnreadCache();
+        }
+
+        markFolderRead (folderId) {
+            for (let feed of this.values) {
+                if (feed.folderId === folderId) {
+                    feed.unreadCount = 0;
+                }
+            }
+            this.updateUnreadCache();
         }
 
 
         markItemOfFeedRead (feedId) {
             this.ids[feedId].unreadCount -= 1;
+            this.updateUnreadCache();
         }
 
 
         markItemOfFeedUnread (feedId) {
             this.ids[feedId].unreadCount += 1;
+            this.updateUnreadCache();
         }
 
 
         getUnreadCount () {
-            return this.values.reduce((sum, feed) => sum + feed.unreadCount, 0);
+            return this.unreadCount;
         }
 
 
+        getFolderUnreadCount (folderId) {
+            return this.folderUnreadCount[folderId] || 0;
+        }
+
     }
 
     return new FeedResource($http, BASE_URL);
diff --git a/js/service/ItemResource.js b/js/service/ItemResource.js
index 67a6d23e6..983b9b39a 100644
--- a/js/service/ItemResource.js
+++ b/js/service/ItemResource.js
@@ -84,7 +84,7 @@ app.factory('ItemResource', (Resource, $http, BASE_URL) => {
         }
 
 
-        read (itemId, isRead=true) {
+        markItemRead (itemId, isRead=true) {
             this.get(itemId).unread = !isRead;
             return this.http({
                 url: `${this.BASE_URL}/items/${itemId}/read`,
@@ -96,7 +96,7 @@ app.factory('ItemResource', (Resource, $http, BASE_URL) => {
         }
 
 
-        readFeed (feedId, read=true) {
+        markFeedRead (feedId, read=true) {
             for (let item of this.values.filter(i => i.feedId === feedId)) {
                 item.unread = !read;
             }
@@ -104,7 +104,7 @@ app.factory('ItemResource', (Resource, $http, BASE_URL) => {
         }
 
 
-        readAll () {
+        markRead () {
             for (let item of this.values) {
                 item.unread = false;
             }
@@ -124,7 +124,7 @@ app.factory('ItemResource', (Resource, $http, BASE_URL) => {
 
         keepUnread (itemId) {
             this.get(itemId).keepUnread = true;
-            return this.read(itemId, false);
+            return this.markItemRead(itemId, false);
         }