update

backend/gestion/handlers/stats.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"fmt"
 	"gestion/db"
 	"gestion/models"
 	"net/http"
@@ -60,6 +61,54 @@ func GetAdminStats(c *gin.Context) {
 		}
 	}
 
+	// ── Revenus par jour sur 30 jours (commandes approuvées) ─────────────────
+	var dayRevRows []models.DayRevenueRow
+	gdb.Raw(`
+		SELECT DATE(created_at) AS day, COALESCE(SUM(total_prix), 0) AS revenue
+		FROM commandes
+		WHERE created_at >= NOW() - INTERVAL '30 days'
+		  AND status = 'approved'
+		GROUP BY DATE(created_at)
+		ORDER BY day
+	`).Scan(&dayRevRows)
+
+	byDayRevenue := make([]gin.H, len(dayRevRows))
+	for i, r := range dayRevRows {
+		byDayRevenue[i] = gin.H{
+			"day":     r.Day.Format("2006-01-02"),
+			"label":   r.Day.Format("02/01"),
+			"revenue": r.Revenue,
+		}
+	}
+
+	// ── Commandes & revenus par heure (all time, non annulées) ───────────────
+	var hourRows []models.HourRow
+	gdb.Raw(`
+		SELECT
+			EXTRACT(HOUR FROM created_at)::int AS hour,
+			COUNT(*)                           AS count,
+			COALESCE(SUM(total_prix), 0)       AS revenue
+		FROM commandes
+		WHERE status != 'cancelled'
+		GROUP BY hour
+		ORDER BY hour
+	`).Scan(&hourRows)
+
+	hourMap := make(map[int]models.HourRow, len(hourRows))
+	for _, r := range hourRows {
+		hourMap[r.Hour] = r
+	}
+	byHour := make([]gin.H, 24)
+	for h := 0; h < 24; h++ {
+		r := hourMap[h]
+		byHour[h] = gin.H{
+			"hour":    h,
+			"label":   fmt.Sprintf("%02dh", h),
+			"count":   r.Count,
+			"revenue": r.Revenue,
+		}
+	}
+
 	// ── Top produits (quantité vendue, commandes terminées) ───────────────────
 	var prodRows []models.ProductRow
 	gdb.Raw(`
@@ -125,8 +174,10 @@ func GetAdminStats(c *gin.Context) {
 			"top_product":   topProductName,
 			"avg_per_day":   avgPerDay,
 		},
-		"by_weekday":   byWeekday,
-		"by_day_30":    byDay,
-		"top_products": topProducts,
+		"by_weekday":    byWeekday,
+		"by_day_30":     byDay,
+		"by_day_revenue": byDayRevenue,
+		"by_hour":        byHour,
+		"top_products":  topProducts,
 	})
 }