chengkai3
1d11bf9fc3
- 后端：创建system_messages表模型和Schema - 后端：实现消息创建、查询、标记已读的服务层 - 后端：新增REST API接口（需admin.system_message权限） - 前端：完善系统消息抽屉弹窗，显示消息列表 - 前端：自动加载未读数量，支持标记已读 - 数据库：新增迁移脚本建表 Co-authored-by: multica-agent <github@multica.ai>
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from typing import TYPE_CHECKING
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from uuid import uuid4
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from sqlalchemy import Boolean, DateTime, String, Text
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from ..core.database import Base
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from .base import utcnow
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if TYPE_CHECKING:
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from .user import User
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class SystemMessage(Base):
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__tablename__ = "system_messages"
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id: Mapped[str] = mapped_column(
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"message_id",
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String(36),
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primary_key=True,
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default=lambda: uuid4().hex,
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)
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title: Mapped[str] = mapped_column(String(255))
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content: Mapped[str] = mapped_column(Text)
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message_type: Mapped[str] = mapped_column(
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String(32),
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default="info",
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index=True,
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)
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target_user_id: Mapped[str | None] = mapped_column(
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String(36),
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index=True,
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nullable=True,
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)
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is_read: Mapped[bool] = mapped_column(Boolean, default=False, index=True)
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created_at: Mapped[datetime] = mapped_column(
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"created_at",
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DateTime(timezone=False),
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default=utcnow,
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index=True,
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)
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read_at: Mapped[datetime | None] = mapped_column(
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"read_at",
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DateTime(timezone=False),
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nullable=True,
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)
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