Adding caching layer to some posts calls (#4779)

api/command_statuses_test.go

@@ -27,7 +27,7 @@ func commandAndTest(t *testing.T, th *TestHelper, status string) {
 		t.Fatal("Command failed to execute")
 	}
 
-	time.Sleep(500 * time.Millisecond)
+	time.Sleep(1000 * time.Millisecond)
 
 	statuses := Client.Must(Client.GetStatuses()).Data.(map[string]string)
 

api/context.go

@@ -564,4 +564,5 @@ func InvalidateAllCaches() {
 	ClearStatusCache()
 	store.ClearChannelCaches()
 	store.ClearUserCaches()
+	store.ClearPostCaches()
 }

api/post.go

@@ -166,6 +166,8 @@ func CreatePost(c *Context, post *model.Post, triggerWebhooks bool) (*model.Post
 		}
 	}
 
+	InvalidateCacheForChannelPosts(rpost.ChannelId)
+
 	handlePostEvents(c, rpost, triggerWebhooks)
 
 	return rpost, nil
@@ -1226,6 +1228,8 @@ func updatePost(c *Context, w http.ResponseWriter, r *http.Request) {
 
 		go Publish(message)
 
+		InvalidateCacheForChannelPosts(rpost.ChannelId)
+
 		w.Write([]byte(rpost.ToJson()))
 	}
 }
@@ -1278,7 +1282,7 @@ func getPosts(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	etagChan := Srv.Store.Post().GetEtag(id)
+	etagChan := Srv.Store.Post().GetEtag(id, true)
 
 	if !HasPermissionToChannelContext(c, id, model.PERMISSION_CREATE_POST) {
 		return
@@ -1508,6 +1512,8 @@ func deletePost(c *Context, w http.ResponseWriter, r *http.Request) {
 		go DeletePostFiles(post)
 		go DeleteFlaggedPost(c.Session.UserId, post)
 
+		InvalidateCacheForChannelPosts(post.ChannelId)
+
 		result := make(map[string]string)
 		result["id"] = postId
 		w.Write([]byte(model.MapToJson(result)))
@@ -1567,7 +1573,7 @@ func getPostsBeforeOrAfter(c *Context, w http.ResponseWriter, r *http.Request, b
 	}
 
 	// We can do better than this etag in this situation
-	etagChan := Srv.Store.Post().GetEtag(id)
+	etagChan := Srv.Store.Post().GetEtag(id, true)
 
 	if !HasPermissionToChannelContext(c, id, model.PERMISSION_READ_CHANNEL) {
 		return

api/slackimport.go

@@ -560,6 +560,8 @@ func SlackImport(fileData multipart.File, fileSize int64, teamID string) (*model
 		deactivateSlackBotUser(botUser)
 	}
 
+	InvalidateAllCaches()
+
 	log.WriteString(utils.T("api.slackimport.slack_import.notes"))
 	log.WriteString("=======\r\n\r\n")
 

api/web_hub.go

@@ -103,10 +103,30 @@ func PublishSkipClusterSend(message *model.WebSocketEvent) {
 }
 
 func InvalidateCacheForChannel(channelId string) {
+	InvalidateCacheForChannelSkipClusterSend(channelId)
+
+	if cluster := einterfaces.GetClusterInterface(); cluster != nil {
+		cluster.InvalidateCacheForChannel(channelId)
+	}
+}
+
+func InvalidateCacheForChannelSkipClusterSend(channelId string) {
 	Srv.Store.User().InvalidateProfilesInChannelCache(channelId)
 	Srv.Store.Channel().InvalidateMemberCount(channelId)
 }
 
+func InvalidateCacheForChannelPosts(channelId string) {
+	InvalidateCacheForChannelPostsSkipClusterSend(channelId)
+
+	if cluster := einterfaces.GetClusterInterface(); cluster != nil {
+		cluster.InvalidateCacheForChannelPosts(channelId)
+	}
+}
+
+func InvalidateCacheForChannelPostsSkipClusterSend(channelId string) {
+	Srv.Store.Post().InvalidatePostEtagCache(channelId)
+}
+
 func InvalidateCacheForUser(userId string) {
 	InvalidateCacheForUserSkipClusterSend(userId)