chore: build

backend/gestion/handlers/stats.go

@@ -117,6 +117,83 @@ func GetAdminStatsByMonth(c *gin.Context) {
 	})
 }
 
+func GetAdminDailyDetail(c *gin.Context) {
+	database := c.MustGet("database").(*db.Database)
+
+	dateParam := c.Query("date")
+	date := time.Now()
+	if dateParam != "" {
+		parsed, err := time.Parse("2006-01-02", dateParam)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("paramètre date invalide (attendu YYYY-MM-DD) : %s", dateParam)})
+			return
+		}
+		date = parsed
+	}
+
+	var dailyRows []models.DailyProductRow
+	if err := database.DailyProductDetailForDate(&dailyRows, date); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("Erreur lors de la récupération du détail du jour: %s", err)})
+		return
+	}
+
+	type dailyCatGroup struct {
+		Category      string
+		CategoryColor string
+		TotalQuantity float64
+		TotalRevenue  float64
+		Products      []gin.H
+	}
+	var dailyCats []dailyCatGroup
+	dailyCatIdx := map[string]int{}
+	dailyTotalRevenue := 0.0
+	dailyTotalQty := 0.0
+
+	for _, r := range dailyRows {
+		dailyTotalRevenue += r.Revenue
+		dailyTotalQty += r.TotalQuantity
+		idx, ok := dailyCatIdx[r.Category]
+		if !ok {
+			idx = len(dailyCats)
+			dailyCats = append(dailyCats, dailyCatGroup{
+				Category:      r.Category,
+				CategoryColor: r.CategoryColor,
+			})
+			dailyCatIdx[r.Category] = idx
+		}
+		dailyCats[idx].TotalQuantity += r.TotalQuantity
+		dailyCats[idx].TotalRevenue += r.Revenue
+		dailyCats[idx].Products = append(dailyCats[idx].Products, gin.H{
+			"product_id":  r.ProductID,
+			"name":        r.ProductName,
+			"quantity":    r.TotalQuantity,
+			"order_count": r.OrderCount,
+			"revenue":     r.Revenue,
+		})
+	}
+
+	dailyCatsJSON := make([]gin.H, len(dailyCats))
+	for i, g := range dailyCats {
+		dailyCatsJSON[i] = gin.H{
+			"category":       g.Category,
+			"category_color": g.CategoryColor,
+			"total_quantity": g.TotalQuantity,
+			"total_revenue":  g.TotalRevenue,
+			"products":       g.Products,
+		}
+	}
+
+	dailyTotalOrders, _ := database.DailyOrdersCountForDate(date)
+
+	c.JSON(http.StatusOK, gin.H{
+		"date":           date.Format("02/01/2006"),
+		"total_orders":   dailyTotalOrders,
+		"total_quantity": dailyTotalQty,
+		"total_revenue":  dailyTotalRevenue,
+		"categories":     dailyCatsJSON,
+	})
+}
+
 // GetAdminStats returns aggregated order & product statistics for the admin dashboard.
 func GetAdminStats(c *gin.Context) {
 	database := c.MustGet("database").(*db.Database)