perf: replace client-side pagination with server-side pagination in stock selection dialog and fix duplicate variable in semi.vue

inventory-backend/app/api/v1/inbound/stock.py

@@ -1,6 +1,5 @@
-from flask import Blueprint, jsonify, request, send_file
+from flask import Blueprint, jsonify, request, send_file, current_app
 from app.extensions import db, beijing_time
-# ★★★ 修复点：必须引入 datetime，否则下方更新时间时会报错 500 ★★★
 from datetime import datetime, timedelta
 from flask_jwt_extended import jwt_required
 from app.utils.decorators import permission_required
@@ -40,18 +39,6 @@ def _normalize_user_id(user_id):
     return user_id.strip()
 
 
-# 尝试导入半成品和成品
-try:
-    from app.models.inbound.semi import StockSemi
-except ImportError:
-    StockSemi = None
-
-try:
-    from app.models.inbound.product import StockProduct
-except ImportError:
-    StockProduct = None
-
-
 def get_stock_model(source_table):
     """根据source_table获取对应的库存模型"""
     if source_table == 'stock_buy':
@@ -151,6 +138,123 @@ def get_all_stock():
         return jsonify({"message": f"查询库存失败: {str(e)}"}), 500
 
 
+# ==============================================================================
+# 分页库存查询接口（服务端分页，出库/盘点/借用模块共用）
+# ==============================================================================
+@bp.route('/list', methods=['GET'])
+@jwt_required()
+def get_stock_list():
+    """
+    分页获取库存列表（stock_quantity > 0）
+    参数:
+        page    - 页码（默认 1）
+        pageSize - 每页条数（默认 20）
+        keyword - 搜索关键字（模糊匹配名称/规格/SKU）
+    """
+    try:
+        page = request.args.get('page', 1, type=int)
+        pageSize = request.args.get('pageSize', 20, type=int)
+        keyword = request.args.get('keyword', '', type=str).strip()
+
+        if page < 1:
+            page = 1
+        if pageSize < 1 or pageSize > 200:
+            pageSize = 20
+
+        all_items = []
+
+        # 1. 采购件
+        if StockBuy:
+            q = StockBuy.query.filter(StockBuy.stock_quantity > 0)
+            if keyword:
+                q = q.filter(
+                    db.or_(
+                        StockBuy.material_name.ilike(f'%{keyword}%'),
+                        StockBuy.spec_model.ilike(f'%{keyword}%'),
+                        StockBuy.sku.ilike(f'%{keyword}%')
+                    )
+                )
+            rows = q.all()
+            for item in rows:
+                d = item.to_dict()
+                d['stock_type'] = 'material'
+                d['type'] = 'material'
+                d['typeLabel'] = '采购件'
+                d['name'] = d.get('material_name', d.get('name', ''))
+                d['standard'] = d.get('spec_model', d.get('standard', ''))
+                d['available_quantity'] = d.get('qty_available', d.get('available_quantity', 0))
+                all_items.append(d)
+
+        # 2. 半成品
+        if StockSemi:
+            try:
+                q = StockSemi.query.filter(StockSemi.stock_quantity > 0)
+                if keyword:
+                    q = q.filter(
+                        db.or_(
+                            StockSemi.material_name.ilike(f'%{keyword}%'),
+                            StockSemi.spec_model.ilike(f'%{keyword}%'),
+                            StockSemi.sku.ilike(f'%{keyword}%')
+                        )
+                    )
+                rows = q.all()
+                for item in rows:
+                    d = item.to_dict()
+                    d['stock_type'] = 'semi'
+                    d['type'] = 'semi'
+                    d['typeLabel'] = '半成品'
+                    d['name'] = d.get('material_name', d.get('name', ''))
+                    d['standard'] = d.get('spec_model', d.get('standard', ''))
+                    d['available_quantity'] = d.get('qty_available', d.get('available_quantity', 0))
+                    all_items.append(d)
+            except Exception:
+                pass
+
+        # 3. 成品
+        if StockProduct:
+            try:
+                q = StockProduct.query.filter(StockProduct.stock_quantity > 0)
+                if keyword:
+                    q = q.filter(
+                        db.or_(
+                            StockProduct.product_name.ilike(f'%{keyword}%'),
+                            StockProduct.spec_model.ilike(f'%{keyword}%'),
+                            StockProduct.sku.ilike(f'%{keyword}%')
+                        )
+                    )
+                rows = q.all()
+                for item in rows:
+                    d = item.to_dict()
+                    d['stock_type'] = 'product'
+                    d['type'] = 'product'
+                    d['typeLabel'] = '成品'
+                    d['name'] = d.get('product_name', d.get('name', ''))
+                    d['standard'] = d.get('spec_model', d.get('standard', ''))
+                    d['available_quantity'] = d.get('qty_available', d.get('available_quantity', 0))
+                    all_items.append(d)
+            except Exception:
+                pass
+
+        total = len(all_items)
+        start = (page - 1) * pageSize
+        end = start + pageSize
+        paged = all_items[start:end]
+
+        return jsonify({
+            'msg': '获取成功',
+            'data': {
+                'list': paged,
+                'total': total,
+                'page': page,
+                'pageSize': pageSize
+            }
+        }), 200
+
+    except Exception as e:
+        current_app.logger.error(f"Get Stock List Failed: {str(e)}")
+        return jsonify({'msg': f'获取库存列表失败: {str(e)}'}), 500
+
+
 # --- 草稿箱接口 ---
 
 @bp.route('/draft/list', methods=['GET'])