refactor(vendor): 抽出缺貨 API 查詢服務

routes/vendor_routes.py

@@ -19,6 +19,8 @@ from database.vendor_manager import VendorDatabaseManager
 from database.vendor_models import VendorStockout, VendorList, VendorEmail, EmailSendLog
 from services.logger_manager import SystemLogger
 from services.vendor_stockout_query_service import (
+    get_stockout_api_list_payload,
+    get_stockout_batches_payload,
     get_vendor_dashboard_stats,
     get_vendor_stockout_list_context,
 )
@@ -331,104 +333,17 @@ def api_get_stockout_list():
     - sort_by: 排序方式 (created_at_desc/created_at_asc/vendor_code_asc/stockout_days_desc)
     """
     try:
-        # 取得查詢參數
-        page = request.args.get('page', 1, type=int)
-        page_size = request.args.get('page_size', 50, type=int)
-        batch_number = request.args.get('batch_number')
-        vendor_filter = request.args.get('vendor')
-        status_filter = request.args.get('status')
-        sort_by = request.args.get('sort_by', 'created_at_desc')
-
-        # 獲取 session
-        session = vendor_db.get_session()
-
-        # 建立查詢
-        query = session.query(VendorStockout)
-
-        # 套用篩選
-        if batch_number:
-            query = query.filter(VendorStockout.batch_id == batch_number)
-
-        if vendor_filter:
-            query = query.filter(
-                or_(
-                    VendorStockout.vendor_code.like(f'%{vendor_filter}%'),
-                    VendorStockout.vendor_name.like(f'%{vendor_filter}%')
-                )
-            )
-
-        if status_filter:
-            query = query.filter(VendorStockout.status == status_filter)
-
-        # 套用排序
-        if sort_by == 'created_at_asc':
-            query = query.order_by(VendorStockout.created_at.asc())
-        elif sort_by == 'vendor_code_asc':
-            query = query.order_by(VendorStockout.vendor_code.asc())
-        elif sort_by == 'stockout_days_desc':
-            query = query.order_by(VendorStockout.safe_stock_days.desc())
-        else:  # created_at_desc
-            query = query.order_by(VendorStockout.created_at.desc())
-
-        # 計算總數
-        total = query.count()
-
-        # 分頁
-        offset = (page - 1) * page_size
-        records = query.offset(offset).limit(page_size).all()
-
-        # 轉換為 JSON 格式
-        records_data = []
-        for record in records:
-            records_data.append({
-                'id': record.id,
-                'batch_number': record.batch_id,
-                'vendor_code': record.vendor_code,
-                'vendor_name': record.vendor_name,
-                'product_code': record.product_code,
-                'product_name': record.product_name,
-                'stockout_days': record.safe_stock_days,
-                'daily_avg_sales': float(record.daily_avg_sales) if record.daily_avg_sales else None,
-                'current_stock': record.current_stock,
-                'send_status': record.status or 'pending',
-                'created_at': record.created_at.isoformat() if record.created_at else None,
-                'notes': record.notes
-            })
-
-        # 計算統計數據
-        stats_query = session.query(VendorStockout)
-        if batch_number:
-            stats_query = stats_query.filter(VendorStockout.batch_id == batch_number)
-        if vendor_filter:
-            stats_query = stats_query.filter(
-                or_(
-                    VendorStockout.vendor_code.like(f'%{vendor_filter}%'),
-                    VendorStockout.vendor_name.like(f'%{vendor_filter}%')
-                )
-            )
-
-        total_stats = stats_query.count()
-        pending_count = stats_query.filter(or_(
-            VendorStockout.status == 'pending',
-            VendorStockout.status == None
-        )).count()
-        sent_count = stats_query.filter(VendorStockout.status == 'sent').count()
-        vendor_count = session.query(VendorStockout.vendor_code).distinct().count()
-
         return jsonify({
             'success': True,
-            'data': {
-                'records': records_data,
-                'total': total,
-                'page': page,
-                'page_size': page_size,
-                'stats': {
-                    'total': total_stats,
-                    'pending': pending_count,
-                    'sent': sent_count,
-                    'vendor_count': vendor_count
-                }
-            }
+            'data': get_stockout_api_list_payload(
+                vendor_db,
+                page=request.args.get('page', 1, type=int),
+                page_size=request.args.get('page_size', 50, type=int),
+                batch_number=request.args.get('batch_number'),
+                vendor_filter=request.args.get('vendor'),
+                status_filter=request.args.get('status'),
+                sort_by=request.args.get('sort_by', 'created_at_desc')
+            )
         })
 
     except Exception as e:
@@ -436,45 +351,20 @@ def api_get_stockout_list():
         import traceback
         traceback.print_exc()
         return jsonify({'success': False, 'message': f'查詢失敗: {str(e)}'}), 500
-    finally:
-        if 'session' in locals():
-            session.close()
 
 
 @vendor_bp.route('/api/stockout/batches', methods=['GET'])
 def api_get_stockout_batches():
     """取得批次清單"""
     try:
-        session = vendor_db.get_session()
-
-        # 查詢所有批次及其數量
-        batches = session.query(
-            VendorStockout.batch_id,
-            func.count(VendorStockout.id).label('count'),
-            func.max(VendorStockout.created_at).label('latest_date')
-        ).group_by(VendorStockout.batch_id)\
-         .order_by(desc('latest_date'))\
-         .all()
-
-        batch_data = []
-        for batch in batches:
-            batch_data.append({
-                'batch_number': batch.batch_id,
-                'count': batch.count,
-                'latest_date': batch.latest_date.isoformat() if batch.latest_date else None
-            })
-
         return jsonify({
             'success': True,
-            'data': batch_data
+            'data': get_stockout_batches_payload(vendor_db)
         })
 
     except Exception as e:
         sys_log.error(f"[API] 取得批次清單失敗 | 錯誤: {e}")
         return jsonify({'success': False, 'message': f'查詢失敗: {str(e)}'}), 500
-    finally:
-        if 'session' in locals():
-            session.close()
 
 
 @vendor_bp.route('/api/stockout/<int:stockout_id>', methods=['PUT'])