phase 3.1

backend/app/database/models/share_link.py

@@ -0,0 +1,32 @@
+"""ShareLink model for board sharing."""
+import uuid
+from datetime import datetime
+from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import relationship
+
+from app.database.base import Base
+
+
+class ShareLink(Base):
+    """ShareLink model for sharing boards with permission control."""
+
+    __tablename__ = "share_links"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    board_id = Column(UUID(as_uuid=True), ForeignKey("boards.id", ondelete="CASCADE"), nullable=False, index=True)
+    token = Column(String(64), unique=True, nullable=False, index=True)
+    permission_level = Column(String(20), nullable=False)  # 'view-only' or 'view-comment'
+    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
+    expires_at = Column(DateTime, nullable=True)
+    last_accessed_at = Column(DateTime, nullable=True)
+    access_count = Column(Integer, nullable=False, default=0)
+    is_revoked = Column(Boolean, nullable=False, default=False, index=True)
+
+    # Relationships
+    board = relationship("Board", back_populates="share_links")
+    comments = relationship("Comment", back_populates="share_link")
+
+    def __repr__(self) -> str:
+        return f"<ShareLink(id={self.id}, token={self.token[:8]}...)>"
+