78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
from typing import TYPE_CHECKING
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from sqlalchemy import Column, DateTime, String, ForeignKey, UniqueConstraint
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from sqlalchemy.sql import func
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from .base import AutoID, Base
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if TYPE_CHECKING:
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from .user import User
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from .project import ProjectItem
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from .workspace import Workspace
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class ProjectLike(Base, AutoID):
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"""项目点赞表"""
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__tablename__ = "project_likes"
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user_id = Column(
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String(User.id_length()),
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ForeignKey("users.id", ondelete="CASCADE"),
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index=True
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)
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project_item_id = Column(
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String(ProjectItem.id_length()),
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ForeignKey("project_items.id", ondelete="CASCADE"),
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index=True
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)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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# 联合唯一约束，防止同一用户重复点赞
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__table_args__ = (UniqueConstraint("user_id", "project_item_id", name="uq_user_project_like"),)
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class ProjectFavorite(Base, AutoID):
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"""项目收藏表"""
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__tablename__ = "project_favorites"
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user_id = Column(
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String(User.id_length()),
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ForeignKey("users.id", ondelete="CASCADE"),
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index=True
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)
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project_item_id = Column(
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String(ProjectItem.id_length()),
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ForeignKey("project_items.id", ondelete="CASCADE"),
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index=True
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)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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# 联合唯一约束，防止重复收藏
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__table_args__ = (UniqueConstraint("user_id", "project_item_id", name="uq_user_project_favorite"),)
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class ProjectShare(Base, AutoID):
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"""项目转发/分享记录表"""
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__tablename__ = "project_shares"
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user_id = Column(
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String(User.id_length()),
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ForeignKey("users.id", ondelete="CASCADE"),
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index=True
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)
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project_item_id = Column(
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String(ProjectItem.id_length()),
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ForeignKey("project_items.id", ondelete="CASCADE"),
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index=True
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)
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# 转发去向或渠道，例如 'internal' (转发到其他工作区), 'twitter', 'link' (复制链接)
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share_target = Column(String, default="internal", nullable=False)
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# 如果是转发到特定工作区，可以记录目标工作区 ID
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target_workspace_id = Column(
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String(Workspace.id_length()),
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ForeignKey("workspaces.id", ondelete="SET NULL"),
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nullable=True
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)
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created_at = Column(DateTime(timezone=True), server_default=func.now()) |