feat(webhook): align chatwoot ingress routes

internal/handler/webhook/telegram_webhook.go

@@ -2,6 +2,7 @@ package webhook
 
 import (
 	"encoding/json"
+	"fmt"
 	"io"
 	"net/http"
 
@@ -10,7 +11,9 @@ import (
 	channelprovider "github.com/gochat/gochat/internal/channel/provider"
 	telegramchannel "github.com/gochat/gochat/internal/channel/telegram"
 	"github.com/gochat/gochat/internal/model"
+	channelmodel "github.com/gochat/gochat/internal/model/channel"
 	applogger "github.com/gochat/gochat/pkg/logger"
+	"gorm.io/gorm"
 )
 
 // TelegramWebhookHandler processes incoming Telegram webhook HTTP requests via Gin.
@@ -32,17 +35,19 @@ import (
 type TelegramWebhookHandler struct {
 	provider   *channelprovider.TelegramProvider
 	telWebhook *telegramchannel.WebhookHandler
-	// inboxRepo would be injected here for inbox lookup in production
+	db         *gorm.DB
 }
 
 // NewTelegramWebhookHandler creates a Telegram webhook handler for Gin integration.
 func NewTelegramWebhookHandler(
 	provider *channelprovider.TelegramProvider,
 	telWebhook *telegramchannel.WebhookHandler,
+	db *gorm.DB,
 ) *TelegramWebhookHandler {
 	return &TelegramWebhookHandler{
 		provider:   provider,
 		telWebhook: telWebhook,
+		db:         db,
 	}
 }
 
@@ -123,18 +128,20 @@ func (h *TelegramWebhookHandler) HandleTelegramWebhook(c *gin.Context) {
 // In production: queries GORM for Inbox with channel_type=telegram matching the bot_token.
 // Reference: Chatwoot: Inbox.find_by(channel: telegram, bot_token: token)
 func (h *TelegramWebhookHandler) lookupInbox(botToken string) (*model.Inbox, error) {
-	// TODO: Implement with GORM repository
-	// Placeholder — production would use:
-	//   var ch channelmodel.ChannelTelegram
-	//   db.Where("bot_token = ?", botToken).First(&ch)
-	//   var inbox model.Inbox
-	//   db.Where("id = ?", ch.InboxID).First(&inbox)
-	//
-	// For now, return a placeholder inbox
-	inbox := &model.Inbox{
-		ChannelType: "telegram",
+	if h.db == nil {
+		return nil, fmt.Errorf("telegram webhook database is not configured")
 	}
-	return inbox, nil
+
+	var channel channelmodel.ChannelTelegram
+	if err := h.db.Where("bot_token = ?", botToken).First(&channel).Error; err != nil {
+		return nil, fmt.Errorf("telegram channel not found for bot_token: %w", err)
+	}
+
+	var inbox model.Inbox
+	if err := h.db.Where("id = ? AND channel_type = ?", channel.InboxID, "telegram").First(&inbox).Error; err != nil {
+		return nil, fmt.Errorf("telegram inbox not found for channel inbox_id=%d: %w", channel.InboxID, err)
+	}
+	return &inbox, nil
 }
 
 // maskBotToken masks a bot token for safe logging (show first 8 chars only).
@@ -143,4 +150,4 @@ func maskBotToken(token string) string {
 		return token[:8] + "..."
 	}
 	return token
-}
+}