55 lines
2.5 KiB
Python
55 lines
2.5 KiB
Python
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# purchase - 认购群模型
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# Version: 0.0.1 (2026-04-24)
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# 认购群、成员、藏品管理
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from sqlalchemy import Column, String, Text, Integer, DECIMAL, DateTime, ForeignKey
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from sqlalchemy.sql import func
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from app.core.database import Base
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import uuid
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def generate_uuid():
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return str(uuid.uuid4())
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class PurchaseGroup(Base):
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"""认购群表"""
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__tablename__ = "purchase_group"
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id = Column(String(36), primary_key=True, default=generate_uuid)
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name = Column(String(100), nullable=False) # 认购群名称
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description = Column(Text, nullable=True) # 描述
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creator_id = Column(String(36), nullable=False) # 创建者ID
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creator_name = Column(String(50), nullable=True) # 创建者名字
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status = Column(String(20), default="active") # active/closed
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total_members = Column(Integer, default=0) # 总参与人数
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total_collections = Column(Integer, default=0) # 总藏品数
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total_amount = Column(DECIMAL(12,2), default=0) # 总金额
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avg_price = Column(DECIMAL(10,2), default=0) # 均价
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), onupdate=func.now())
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class PurchaseMember(Base):
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"""认购成员表"""
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__tablename__ = "purchase_member"
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id = Column(String(36), primary_key=True, default=generate_uuid)
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group_id = Column(String(36), ForeignKey("purchase_group.id"), nullable=False)
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user_id = Column(String(36), nullable=False)
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user_name = Column(String(50), nullable=True)
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user_avatar = Column(String(255), nullable=True)
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role = Column(String(20), default="member") # creator/admin/member
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joined_at = Column(DateTime(timezone=True), server_default=func.now())
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class PurchaseCollection(Base):
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"""认购藏品表"""
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__tablename__ = "purchase_collection"
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id = Column(String(36), primary_key=True, default=generate_uuid)
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group_id = Column(String(36), ForeignKey("purchase_group.id"), nullable=False)
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user_id = Column(String(36), nullable=False)
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user_name = Column(String(50), nullable=True)
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collection_name = Column(String(100), nullable=True) # 藏品名称
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collection_code = Column(String(50), nullable=True) # 藏品编号
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number = Column(String(50), nullable=True) # 冠字号
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price = Column(DECIMAL(10,2), nullable=False) # 认购价格
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status = Column(String(20), default="pending") # pending/confirmed
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submitted_at = Column(DateTime(timezone=True), server_default=func.now())
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