bugfix: fix bug response card dashboard (#75)

bugfix:fix bug response card dashboard

module/feature/dashboard/handler/handler.go

@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"errors"
 	"fmt"
 	"github.com/capstone-kelompok-7/backend-disappear/module/entities"
 	"github.com/capstone-kelompok-7/backend-disappear/module/feature/dashboard"
@@ -28,10 +29,19 @@ func (h *DashboardHandler) GetCardDashboard() echo.HandlerFunc {
 		}
 		productCount, userCount, orderCount, incomeCount, err := h.service.GetCardDashboard()
 		if err != nil {
-			c.Logger().Error("handler: failed to fetch all products:", err.Error())
-			return response.SendBadRequestResponse(c, "Gagal mendapatkan data : "+err.Error())
+			c.Logger().Error("handler: failed to fetch dashboard data:", err.Error())
+			if errors.Is(err, errors.New("gagal menghitung total produk")) {
+				productCount = 0
+			} else if errors.Is(err, errors.New("gagal menghitung total pelanggan")) {
+				userCount = 0
+			} else if errors.Is(err, errors.New("gagal menghitung total pesanan")) {
+				orderCount = 0
+			} else if errors.Is(err, errors.New("gagal menghitung total pendapatan")) {
+				incomeCount = 0
+			} else {
+				return response.SendBadRequestResponse(c, "Gagal mendapatkan data: "+err.Error())
+			}
 		}
-
 		return response.SendStatusOkWithDataResponse(c, "Berhasil mendapatkan data cards dasboard", dto.FormatCardResponse(productCount, userCount, orderCount, incomeCount))
 	}
 }

module/feature/dashboard/repository/repository.go

@@ -1,6 +1,8 @@
 package repository
 
 import (
+	"database/sql"
+	"errors"
 	"github.com/capstone-kelompok-7/backend-disappear/module/entities"
 	"github.com/capstone-kelompok-7/backend-disappear/module/feature/dashboard"
 	"gorm.io/gorm"
@@ -45,18 +47,21 @@ func (r *DashboardRepository) CountOrder() (int64, error) {
 }
 
 func (r *DashboardRepository) CountIncome() (float64, error) {
-	var totalAmount float64
+	var totalAmount sql.NullFloat64
 
 	firstDay := time.Now().AddDate(0, 0, -time.Now().Day()+1).Format("2006-01-02")
 	lastDay := time.Now().AddDate(0, 1, -time.Now().Day()).Format("2006-01-02")
 	if err := r.db.Model(&entities.OrderModels{}).
 		Where("order_status = ? AND payment_status = ? AND created_at BETWEEN ? AND ?",
 			"proses", "konfirmasi", firstDay, lastDay).
 		Select("SUM(total_amount_paid)").
-		Scan(&totalAmount).Error; err != nil {
-		return 0, err
+		Row().Scan(&totalAmount); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return 0.0, nil
+		}
+		return 0.0, err
 	}
-	return totalAmount, nil
+	return totalAmount.Float64, nil
 }
 
 func (r *DashboardRepository) CountTotalGram() (int64, error) {
@@ -84,7 +89,6 @@ func (r *DashboardRepository) GetProductWithMaxReviews() ([]*entities.ProductMod
 		return nil, err
 	}
 	return products, nil
-
 }
 
 func (r *DashboardRepository) GetGramPlasticStat(startOfWeek, endOfWeek time.Time) (uint64, error) {

module/feature/dashboard/service/service.go

@@ -46,7 +46,6 @@ func (s *DashboardService) GetCardDashboard() (int64, int64, int64, float64, err
 	}
 
 	return productCount, userCount, orderCount, inComeCount, nil
-
 }
 
 func (s *DashboardService) GetLandingPage() (int64, int64, int64, error) {