update status interaction upon retweet action response

src/modules/statuses.js

@@ -428,6 +428,17 @@ export const mutations = {
 
     newStatus.repeated = value
   },
+  setRetweetedConfirm (state, { status, user }) {
+    const newStatus = state.allStatusesObject[status.id]
+    newStatus.repeated = status.repeated
+    newStatus.repeat_num = status.repeat_num
+    const index = findIndex(newStatus.rebloggedBy, { id: user.id })
+    if (index !== -1 && !newStatus.repeated) {
+      newStatus.rebloggedBy.splice(index, 1)
+    } else if (index === -1 && newStatus.repeated) {
+      newStatus.rebloggedBy.push(user)
+    }
+  },
   setDeleted (state, { status }) {
     const newStatus = state.allStatusesObject[status.id]
     newStatus.deleted = true
@@ -521,10 +532,16 @@ const statuses = {
       // Optimistic retweeting...
       commit('setRetweeted', { status, value: true })
       apiService.retweet({ id: status.id, credentials: rootState.users.currentUser.credentials })
+        .then(status => {
+          commit('setRetweetedConfirm', { status: status.retweeted_status, user: rootState.users.currentUser })
+        })
     },
     unretweet ({ rootState, commit }, status) {
       commit('setRetweeted', { status, value: false })
       apiService.unretweet({ id: status.id, credentials: rootState.users.currentUser.credentials })
+        .then(status => {
+          commit('setRetweetedConfirm', { status, user: rootState.users.currentUser })
+        })
     },
     queueFlush ({ rootState, commit }, { timeline, id }) {
       commit('queueFlush', { timeline, id })