[MM-28363] User Limit Overage Warning Emails (#16053)

* Adding files, commit of UI in good shape

* Translations added, working with activation and deactivation

* Add check for error

* Fix i18n?

* Push without subscription check so Steve and Matt can look at it

* Fix font-weight in chrome

* Fix font-weight on button

* UX fixes

* Fixes for PR

* Add back subscription stuff

* Fix tests

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/user.go

@@ -155,6 +155,15 @@ func createUser(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// New user created, check cloud limits and send emails if needed
+	if ruser != nil {
+		err = c.App.CheckAndSendUserLimitWarningEmails()
+		if err != nil {
+			c.Err = err
+			return
+		}
+	}
+
 	auditRec.Success()
 	auditRec.AddMeta("user", ruser) // overwrite meta
 
@@ -1349,6 +1358,16 @@ func updateUserActive(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_USER_ACTIVATION_STATUS_CHANGE, "", "", "", nil)
 	c.App.Publish(message)
+
+	// If activating, run cloud check for limit overages
+	if active {
+		emailErr := c.App.CheckAndSendUserLimitWarningEmails()
+		if emailErr != nil {
+			c.Err = emailErr
+			return
+		}
+	}
+
 	ReturnStatusOK(w)
 }