[MM-48472]: Update the Upgrade Confirmation Email for yearly subscriptions (#21766)

api4/cloud.go

@@ -136,9 +136,16 @@ func changeSubscription(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	product, err := c.App.Cloud().GetCloudProduct(c.AppContext.Session().UserId, subscriptionChange.ProductID)
+	if err != nil || product == nil {
+		c.Logger.Error("Error finding the new cloud product", mlog.Err(err))
+	}
+
+	isYearly := product.IsYearly()
+
 	// Log failures for purchase confirmation email, but don't show an error to the user so as not to confuse them
 	// At this point, the upgrade is complete.
-	if appErr := c.App.SendUpgradeConfirmationEmail(); appErr != nil {
+	if appErr := c.App.SendUpgradeConfirmationEmail(isYearly); appErr != nil {
 		c.Logger.Error("Error sending purchase confirmation email", mlog.Err(appErr))
 	}
 
@@ -636,7 +643,26 @@ func handleCWSWebhook(c *Context, w http.ResponseWriter, r *http.Request) {
 			return
 		}
 	case model.EventTypeSendUpgradeConfirmationEmail:
-		if nErr := c.App.SendUpgradeConfirmationEmail(); nErr != nil {
+
+		// isYearly determines whether to send the yearly or monthly Upgrade email
+		isYearly := false
+		if event.Subscription != nil && event.CloudWorkspaceOwner != nil {
+			user, appErr := c.App.GetUserByUsername(event.CloudWorkspaceOwner.UserName)
+			if appErr != nil {
+				c.Err = model.NewAppError("Api4.handleCWSWebhook", appErr.Id, nil, appErr.Error(), appErr.StatusCode)
+				return
+			}
+
+			// Get the current cloud product to determine whether it's a monthly or yearly product
+			product, err := c.App.Cloud().GetCloudProduct(user.Id, event.Subscription.ProductID)
+			if err != nil {
+				c.Err = model.NewAppError("Api4.handleCWSWebhook", "api.cloud.request_error", nil, err.Error(), http.StatusInternalServerError)
+				return
+			}
+			isYearly = product.IsYearly()
+		}
+
+		if nErr := c.App.SendUpgradeConfirmationEmail(isYearly); nErr != nil {
 			c.Err = nErr
 			return
 		}