cache the summary

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

@@ -412,6 +412,17 @@ const actions = {
     });
   },
 
+  updateConversationCachedSummary(
+    { commit },
+    { conversationId, cachedSummary, cachedSummaryAt }
+  ) {
+    commit(types.UPDATE_CONVERSATION_CACHED_SUMMARY, {
+      conversationId,
+      cachedSummary,
+      cachedSummaryAt,
+    });
+  },
+
   setChatStatusFilter({ commit }, data) {
     commit(types.CHANGE_CHAT_STATUS_FILTER, data);
   },

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

@@ -116,6 +116,16 @@ export const mutations = {
       chat.last_activity_at = lastActivityAt;
     }
   },
+  [types.UPDATE_CONVERSATION_CACHED_SUMMARY](
+    _state,
+    { conversationId, cachedSummary, cachedSummaryAt }
+  ) {
+    const [chat] = _state.allConversations.filter(c => c.id === conversationId);
+    if (chat) {
+      chat.cached_summary = cachedSummary;
+      chat.cached_summary_at = cachedSummaryAt;
+    }
+  },
   [types.ASSIGN_PRIORITY](_state, { priority, conversationId }) {
     const [chat] = _state.allConversations.filter(c => c.id === conversationId);
     chat.priority = priority;