第二步

2026-09-01 12:24:43 +08:00
parent 47bf6cc5ca
commit 1d8621717a
14 changed files with 815 additions and 9 deletions
@@ -0,0 +1,49 @@
+"""Plan 套餐模型。"""
+
+from sqlalchemy import Boolean, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
+
+
+class Plan(UUIDPrimaryKeyMixin, TimestampMixin, Base):
+    """用户套餐（免费/基础/专业等）。
+
+    技术审查 §2.2：plans 表。
+    """
+
+    __tablename__ = "plans"
+
+    code: Mapped[str] = mapped_column(
+        String(32),
+        unique=True,
+        nullable=False,
+        comment="套餐代码 (free/basic/pro)",
+    )
+    name: Mapped[str] = mapped_column(
+        String(64),
+        nullable=False,
+        comment="套餐名称",
+    )
+    storage_quota: Mapped[int] = mapped_column(
+        Integer,
+        nullable=False,
+        comment="存储配额 (字节)",
+    )
+    max_file_size: Mapped[int] = mapped_column(
+        Integer,
+        nullable=False,
+        comment="单文件大小上限 (字节)",
+    )
+    is_active: Mapped[bool] = mapped_column(
+        Boolean,
+        default=True,
+        nullable=False,
+        comment="是否可用",
+    )
+
+    # 关系
+    users = relationship("User", back_populates="plan", lazy="selectin")
+
+    def __repr__(self) -> str:
+        return f"<Plan {self.code!r} ({self.name!r})>"