Update main.py

main.py

@@ -312,4 +312,33 @@ def notify_boss(name, tel, date, time, pax, amount):
     headers = {"Authorization": f"Bearer {LINE_ACCESS_TOKEN}"}
     payload = {"to": BOSS_LINE_ID, "messages": [{"type": "text", "text": msg}]}
     try: requests.post("https://api.line.me/v2/bot/message/push", headers=headers, json=payload)
-    except: pass
+    except: pass
+
+# ==========================================
+# 🌟 新增：計算某日庫存與銷量的 API 🌟
+# ==========================================
+@app.get("/api/inventory/{query_date}")
+async def get_inventory(query_date: str):
+    if not supabase: return {}
+    try:
+        # 找出這天所有的訂單
+        res = supabase.table("bookings").select("cart, status").eq("date", query_date).execute()
+        sold_counts = {}
+        if res.data:
+            for b in res.data:
+                # 排除已經取消或 No-Show 的訂單，把扣打還給庫存
+                if "取消" in b.get("status", "") or "No-Show" in b.get("status", ""):
+                    continue
+                
+                # 計算這筆訂單買了什麼
+                cart = b.get("cart", {})
+                for item_id, qty in cart.items():
+                    # 防呆：確保 qty 是整數
+                    try: qty = int(qty)
+                    except: qty = 0
+                    sold_counts[item_id] = sold_counts.get(item_id, 0) + qty
+                    
+        return sold_counts # 回傳格式如：{"steak": 2, "fries": 5}
+    except Exception as e:
+        print(f"Inventory Error: {e}")
+        return {}