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Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>

inventory-backend/app/models/inbound/service.py

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+from app import db
+from datetime import datetime
+
+
+class StockService(db.Model):
+    """
+    服务权益库存表
+    对应数据库表: stock_service
+    """
+    __tablename__ = 'stock_service'
+
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    # 关联基础物料信息
+    base_id = db.Column(db.Integer, db.ForeignKey('material_base.id'), nullable=False)
+    # 系统生成的SKU，格式 SRV-YYYYMMDD-XXXX
+    sku = db.Column(db.String(64), unique=True, nullable=False)
+    # 售价
+    sale_price = db.Column(db.Numeric(10, 2), nullable=False)
+    # 服务商名称
+    provider_name = db.Column(db.String(255), nullable=False, default='')
+    # 服务详情/简介
+    description = db.Column(db.Text, default='')
+    # 创建时间与更新时间
+    created_at = db.Column(db.DateTime, default=datetime.now, nullable=False)
+    updated_at = db.Column(db.DateTime, default=datetime.now, onupdate=datetime.now, nullable=False)
+    # 软删除标志
+    is_deleted = db.Column(db.Boolean, default=False, nullable=False)
+
+    # 关系（可选）
+    material_base = db.relationship('MaterialBase', backref='service_stocks', lazy='joined')
+
+    def to_dict(self):
+        """转为字典，用于 API 响应"""
+        return {
+            'id': self.id,
+            'base_id': self.base_id,
+            'sku': self.sku,
+            'sale_price': float(self.sale_price) if self.sale_price is not None else 0,
+            'provider_name': self.provider_name,
+            'description': self.description,
+            'created_at': self.created_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else None,
+            'updated_at': self.updated_at.strftime('%Y-%m-%d %H:%M:%S') if self.updated_at else None,
+            'material_name': self.material_base.name if self.material_base else None,
+            'spec_model': self.material_base.spec_model if self.material_base else None,
+            'unit': self.material_base.unit if self.material_base else None,
+        }