[MM-43649] - Ability for end users to notify admin to upgrade workspace (#20338)

* [MM-43649] - Ability for end users to notify admin to upgrade workspace

* add test case

* move code to app layer

* feedback impl

* feedback impl-1

* feedback impl

* simplify logic

* fix typo and lint

* fix app layers

* Use a single critical section for users notified admin (#20488)

* Use a single critical section for users notifying admin

* change persistence mechanism

* add more tests

* change bot message

* fix translations

* update logic to notify once within cooloff period

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Nathaniel Allred <neallred@protonmail.com>

api4/cloud.go

@@ -48,6 +48,25 @@ func (api *API) InitCloud() {
 
 	// POST /api/v4/cloud/webhook
 	api.BaseRoutes.Cloud.Handle("/webhook", api.CloudAPIKeyRequired(handleCWSWebhook)).Methods("POST")
+
+	api.BaseRoutes.Cloud.Handle("/notify-admin-to-upgrade", api.APISessionRequired(handleNotifyAdminToUpgrade)).Methods("POST")
+}
+
+func handleNotifyAdminToUpgrade(c *Context, w http.ResponseWriter, r *http.Request) {
+	var notifyAdminRequest *model.NotifyAdminToUpgradeRequest
+	err := json.NewDecoder(r.Body).Decode(&notifyAdminRequest)
+	if err != nil {
+		c.SetInvalidParam("notifyAdminRequest")
+		return
+	}
+
+	appErr := c.App.NotifySystemAdminsToUpgrade(c.AppContext, notifyAdminRequest.CurrentTeamId)
+	if appErr != nil {
+		c.Err = appErr
+		return
+	}
+
+	ReturnStatusOK(w)
 }
 
 func getSubscription(c *Context, w http.ResponseWriter, r *http.Request) {