基础信息读取错误，未修改完成

inventory-backend/app/services/inbound/base_service.py

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+from app.extensions import db
+from app.models.material import MaterialBase
+from app.models.stock import StockBuy  # 需要引入库存表做删除时的依赖检查
+from sqlalchemy import or_
+import traceback
+
+
+class MaterialBaseService:
+    @staticmethod
+    def get_list(page, limit, filters=None):
+        """
+        获取基础信息列表
+        :param page: 页码
+        :param limit: 每页条数
+        :param filters: 筛选条件字典 {keyword, category, type, isEnabled}
+        """
+        try:
+            query = MaterialBase.query
+
+            if filters:
+                # 1. 关键词模糊搜索 (名称 或 规格型号)
+                if filters.get('keyword'):
+                    kw = f"%{filters['keyword']}%"
+                    query = query.filter(or_(
+                        MaterialBase.name.like(kw),
+                        MaterialBase.spec_model.like(kw)
+                    ))
+
+                # 2. 精确筛选
+                if filters.get('category'):
+                    query = query.filter_by(category=filters['category'])
+
+                if filters.get('type'):
+                    query = query.filter_by(material_type=filters['type'])
+
+                if filters.get('isEnabled') is not None:
+                    # 前端传 1/0，转为 Boolean
+                    is_active = bool(int(filters['isEnabled']))
+                    query = query.filter_by(is_enabled=is_active)
+
+            # 按 ID 倒序排列
+            pagination = query.order_by(MaterialBase.id.desc()).paginate(page=page, per_page=limit, error_out=False)
+
+            items = [item.to_dict() for item in pagination.items]
+            return {"total": pagination.total, "items": items}
+
+        except Exception as e:
+            print(f"查询基础信息列表失败: {e}")
+            # 生产环境建议记录日志
+            return {"total": 0, "items": []}
+
+    @staticmethod
+    def create_material(data):
+        """新增基础信息"""
+        try:
+            # 0. 基础校验
+            if not data.get('name') or not data.get('spec'):
+                raise ValueError("名称和规格型号不能为空")
+
+            # 1. 查重 (名称+规格型号 唯一)
+            exist = MaterialBase.query.filter_by(
+                name=data['name'],
+                spec_model=data['spec']
+            ).first()
+            if exist:
+                raise ValueError(f"已存在相同名称和规格的数据 (ID: {exist.id})")
+
+            # 2. 创建对象 (注意前端驼峰 -> 后端下划线映射)
+            new_material = MaterialBase(
+                name=data['name'],
+                spec_model=data['spec'],  # 映射
+                category=data.get('category'),
+                material_type=data.get('type'),  # 映射
+                unit=data.get('unit'),
+                visibility_level=data.get('visibilityLevel'),  # 映射
+                manual_link=data.get('generalManual'),  # 映射
+                product_image=data.get('generalImage'),  # 映射
+                is_enabled=True if data.get('isEnabled', 1) == 1 else False
+            )
+
+            db.session.add(new_material)
+            db.session.commit()
+            return new_material
+
+        except Exception as e:
+            db.session.rollback()
+            raise e
+
+    @staticmethod
+    def update_material(m_id, data):
+        """修改基础信息"""
+        try:
+            material = MaterialBase.query.get(m_id)
+            if not material:
+                raise ValueError("数据不存在")
+
+            # 更新字段 (仅更新传入的字段)
+            if 'name' in data: material.name = data['name']
+            if 'spec' in data: material.spec_model = data['spec']
+            if 'category' in data: material.category = data['category']
+            if 'type' in data: material.material_type = data['type']
+            if 'unit' in data: material.unit = data['unit']
+            if 'visibilityLevel' in data: material.visibility_level = data['visibilityLevel']
+            if 'generalManual' in data: material.manual_link = data['generalManual']
+            if 'generalImage' in data: material.product_image = data['generalImage']
+
+            if 'isEnabled' in data:
+                material.is_enabled = bool(int(data['isEnabled']))
+
+            db.session.commit()
+            return material
+
+        except Exception as e:
+            db.session.rollback()
+            raise e
+
+    @staticmethod
+    def delete_material(m_id):
+        """删除基础信息 (带依赖检查)"""
+        try:
+            material = MaterialBase.query.get(m_id)
+            if not material:
+                raise ValueError("数据不存在")
+
+            # 1. 依赖检查：如果该基础信息已经在库存表(StockBuy)中使用，禁止物理删除
+            # 这里假设 StockBuy 表有一个外键或字段指向 MaterialBase (e.g., base_id)
+            usage_count = StockBuy.query.filter_by(base_id=m_id).count()
+            if usage_count > 0:
+                raise ValueError(f"无法删除：该基础信息已被 {usage_count} 条库存记录引用，请先清理库存或仅禁用此条目。")
+
+            # 2. 执行删除
+            db.session.delete(material)
+            db.session.commit()
+            return True
+
+        except Exception as e:
+            db.session.rollback()
+            print(f"删除基础信息失败: {e}")
+            raise e