盘库操作初设计

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

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+from flask import Blueprint, jsonify, request
+# ★ [核心修复] 导入正确的模型类名 StockBuy (替换原来的 InboundBuy)
+from app.models.inbound.buy import StockBuy
+
+# 尝试导入半成品和成品模型 (根据你的命名习惯修正为 StockSemi/StockProduct)
+# 使用 try-except 防止如果其他文件还没改名导致再次报错
+try:
+    from app.models.inbound.semi import StockSemi
+except ImportError:
+    StockSemi = None
+
+try:
+    from app.models.inbound.product import StockProduct
+except ImportError:
+    StockProduct = None
+
+from app.services.print.network_print_service import NetworkPrintService
+
+bp = Blueprint('stock_ops', __name__)
+
+
+@bp.route('/all', methods=['GET'])
+def get_all_stock():
+    """
+    获取所有在库物品（采购件+半成品+成品）
+    用于：盘点初始化、出库选单列表
+    """
+    try:
+        # 1. 获取采购件
+        # ★ [核心修复] 使用 StockBuy 查询，并将状态条件改为 '在库' (匹配你的 Model 定义)
+        materials = []
+        if StockBuy:
+            materials = StockBuy.query.filter(StockBuy.status == '在库').all()
+
+        # 2. 获取半成品
+        semis = []
+        if StockSemi:
+            try:
+                # 假设半成品也使用 '在库' 状态
+                semis = StockSemi.query.filter(StockSemi.status == '在库').all()
+            except Exception:
+                semis = []
+
+        # 3. 获取成品
+        products = []
+        if StockProduct:
+            try:
+                products = StockProduct.query.filter(StockProduct.status == '在库').all()
+            except Exception:
+                products = []
+
+        return jsonify({
+            "materials": [item.to_dict() for item in materials],
+            "semis": [item.to_dict() for item in semis],
+            "products": [item.to_dict() for item in products]
+        }), 200
+    except Exception as e:
+        print(f"Error in get_all_stock: {e}") # 输出错误日志以便调试
+        return jsonify({"message": f"查询库存失败: {str(e)}"}), 500
+
+
+@bp.route('/print/selection', methods=['POST'])
+def print_selection():
+    """打印出库选单"""
+    try:
+        data = request.json
+        items = data.get('items', [])
+
+        if not items:
+            return jsonify({"message": "未选择任何物品"}), 400
+
+        printer = NetworkPrintService()  # 默认连接 192.168.9.205
+        success, msg = printer.print_outbound_selection(items)
+
+        if success:
+            return jsonify({"message": "打印指令已发送"}), 200
+        else:
+            return jsonify({"message": msg}), 500
+    except Exception as e:
+        return jsonify({"message": f"打印服务错误: {str(e)}"}), 500
+
+
+@bp.route('/print/stocktake', methods=['POST'])
+def print_stocktake():
+    """打印盘点报告"""
+    try:
+        data = request.json
+        # data 结构: { total, scanned, missing, missing_items: [] }
+
+        printer = NetworkPrintService()
+        success, msg = printer.print_stocktake_report(data)
+
+        if success:
+            return jsonify({"message": "盘点报告已发送"}), 200
+        else:
+            return jsonify({"message": msg}), 500
+    except Exception as e:
+        return jsonify({"message": f"打印服务错误: {str(e)}"}), 500