add unretweet action to statuses.js

src/components/retweet_button/retweet_button.js

@@ -22,6 +22,7 @@ const RetweetButton = {
     classes () {
       return {
         'retweeted': this.status.repeated,
+        'retweeted-empty': !this.status.repeated,
         'animate-spin': this.animated
       }
     }

src/modules/statuses.js

@@ -388,6 +388,10 @@ const statuses = {
       commit('setRetweeted', { status, value: true })
       apiService.retweet({ id: status.id, credentials: rootState.users.currentUser.credentials })
     },
+    unretweet ({ rootState, commit }, status) {
+      commit('setRetweeted', { status, value: false })
+      apiService.unretweet({ id: status.id, credentials: rootState.users.currentUser.credentials })
+    },
     queueFlush ({ rootState, commit }, { timeline, id }) {
       commit('queueFlush', { timeline, id })
     }