Feat(telegram): Added new controller to handle help and show

backend/internal/webhookeverything/main.go

@@ -30,6 +30,8 @@ func WebhookEverythingRoutes(db *gorm.DB, telegramEnv *telegrampackage.Env, host
 
 	// Telegram handlers
 	env.TelegramEnv.AddTelegramHandlerFunc(env.registerWebhook)
+	env.TelegramEnv.AddTelegramHandlerFunc(env.displayHelp)
+	env.TelegramEnv.AddTelegramHandlerFunc(env.showRoutes)
 
 	return r
 }

backend/internal/webhookeverything/routegencontrollertelegram.go

@@ -30,6 +30,34 @@ func (env *Env) registerWebhook(shortCode string, text string) (bool, *string) {
 	return false, nil
 }
 
+func (env *Env) displayHelp(shortCode string, text string) (bool, *string) {
+	commandSplitted := telegrampackage.ParseTelegramBotCommand(text)
+	if len(commandSplitted) > 0 && commandSplitted[0] == "/help" {
+		responseText := "/register -> Register for a chat ID\n/register-webhook -> Register for a web hook\n/show -> Show existing webhooks"
+		return true, &responseText
+	}
+	return false, nil
+}
+
+func (env *Env) showRoutes(shortCode string, text string) (bool, *string) {
+	commandSplitted := telegrampackage.ParseTelegramBotCommand(text)
+	if len(commandSplitted) > 0 && commandSplitted[0] == "/show" {
+		var results []WebhookRoute
+		env.DB.Where(&WebhookRoute{WebhookID: shortCode}).Find(&results)
+		responseText := "The following webhook URLs were previously registered:"
+		for _, curr := range results {
+			baseURL, _ := url.Parse(env.HostURL)
+			baseURL.Path = path.Join(baseURL.Path, "webhook")
+			baseURL.Path = path.Join(baseURL.Path, "routes")
+			baseURL.Path = path.Join(baseURL.Path, curr.WebhookID)
+			webhookURL := baseURL.String()
+			responseText += fmt.Sprintf("%s\n", webhookURL)
+		}
+		return true, &responseText
+	}
+	return false, nil
+}
+
 func genWebhookCode(n int) string {
 	var letters = []rune("abcdefghijklmnopqrstuvwxyz1234567890")
 	runeCode := make([]rune, n)