Bugfix: Use server timestamp to set agent_last_seen_at (#1114)

app/javascript/dashboard/store/modules/conversations/actions.js

@@ -170,11 +170,18 @@ const actions = {
   },
 
   markMessagesRead: async ({ commit }, data) => {
-    setTimeout(() => {
-      commit(types.default.MARK_MESSAGE_READ, data);
-    }, 4000);
     try {
-      await ConversationApi.markMessageRead(data);
+      const {
+        data: { id, agent_last_seen_at: lastSeen },
+      } = await ConversationApi.markMessageRead(data);
+      setTimeout(
+        () =>
+          commit(types.default.MARK_MESSAGE_READ, {
+            id,
+            lastSeen,
+          }),
+        4000
+      );
     } catch (error) {
       // Handle error
     }

app/javascript/dashboard/store/modules/conversations/index.js

@@ -134,7 +134,9 @@ export const mutations = {
 
   [types.default.MARK_MESSAGE_READ](_state, { id, lastSeen }) {
     const [chat] = _state.allConversations.filter(c => c.id === id);
-    chat.agent_last_seen_at = lastSeen;
+    if (chat) {
+      chat.agent_last_seen_at = lastSeen;
+    }
   },
 
   [types.default.CHANGE_CHAT_STATUS_FILTER](_state, data) {