Add Daily Sales and Distributed Payment

internal/repository/orders/order.go

@@ -227,7 +227,7 @@ func (r *OrderRepository) GetDailySalesMetrics(ctx context.Context, req entity.O
 	// Build the query with GORM
 	query := r.db.WithContext(ctx).
 		Table("orders o").
-		Select(`DATE_TRUNC(?, o.created_at) AS day, s.id AS site_id, s.name AS site_name, o.payment_type, SUM(oi.qty * oi.price) AS total_quantity`, dateTrunc).
+		Select(`DATE_TRUNC(?, o.created_at) AS day, s.id AS site_id, s.name AS site_name, o.payment_type, SUM(oi.qty * oi.price) AS total`, dateTrunc).
 		Joins("JOIN order_items oi ON o.id = oi.order_id").
 		Joins("JOIN sites s ON o.site_id = s.id").
 		Where("o.status = ?", "PAID").
@@ -250,3 +250,45 @@ func (r *OrderRepository) GetDailySalesMetrics(ctx context.Context, req entity.O
 
 	return sales, nil
 }
+
+func (r *OrderRepository) GetPaymentTypeDistribution(ctx context.Context, req entity.OrderSearch) ([]entity.PaymentTypeDistribution, error) {
+	var distribution []entity.PaymentTypeDistribution
+
+	var periodFilter string
+	now := time.Now()
+
+	switch req.Period {
+	case "1d":
+		periodFilter = now.Add(-24 * time.Hour).Format("2006-01-02 15:04:05")
+	case "7d":
+		periodFilter = now.Add(-7 * 24 * time.Hour).Format("2006-01-02 15:04:05")
+	case "1m":
+		periodFilter = now.AddDate(0, -1, 0).Format("2006-01-02 15:04:05")
+	case "1y":
+		periodFilter = now.AddDate(-1, 0, 0).Format("2006-01-02 15:04:05")
+	default:
+		periodFilter = now.AddDate(0, -1, 0).Format("2006-01-02 15:04:05") // Default to last month
+	}
+
+	query := r.db.WithContext(ctx).
+		Table("orders o").
+		Select("payment_type, COUNT(*) as count").
+		Where("status = ?", "PAID").
+		Where("o.created_at >= ?", periodFilter)
+
+	if req.PartnerID != nil {
+		query = query.Where("o.partner_id = ?", *req.PartnerID)
+	}
+
+	if req.SiteID != nil {
+		query = query.Where("o.site_id = ?", *req.SiteID)
+	}
+
+	query = query.Group("payment_type")
+
+	if err := query.Scan(&distribution).Error; err != nil {
+		return nil, err
+	}
+
+	return distribution, nil
+}