phase 3.1

backend/app/database/models/image.py

@@ -0,0 +1,34 @@
+"""Image model for uploaded images."""
+import uuid
+from datetime import datetime
+from sqlalchemy import BigInteger, Column, DateTime, ForeignKey, Integer, String
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy.orm import relationship
+
+from app.database.base import Base
+
+
+class Image(Base):
+    """Image model representing uploaded image files."""
+
+    __tablename__ = "images"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
+    filename = Column(String(255), nullable=False, index=True)
+    storage_path = Column(String(512), nullable=False)
+    file_size = Column(BigInteger, nullable=False)
+    mime_type = Column(String(100), nullable=False)
+    width = Column(Integer, nullable=False)
+    height = Column(Integer, nullable=False)
+    image_metadata = Column(JSONB, nullable=False)
+    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
+    reference_count = Column(Integer, nullable=False, default=0)
+
+    # Relationships
+    user = relationship("User", back_populates="images")
+    board_images = relationship("BoardImage", back_populates="image", cascade="all, delete-orphan")
+
+    def __repr__(self) -> str:
+        return f"<Image(id={self.id}, filename={self.filename})>"
+