add web

app/models/asset_version.py

@@ -0,0 +1,35 @@
+from app.extensions import db
+
+class AssetVersion(db.Model):
+    id = db.Column(db.BigInteger, primary_key=True, unique=True, nullable=False, autoincrement=True)
+    asset_id = db.Column(db.BigInteger, nullable=False, index=True)
+    version = db.Column(db.BigInteger, nullable=False)
+    content_hash = db.Column(db.String(512), nullable=False)
+    created_at = db.Column(db.DateTime, nullable=False)
+    updated_at = db.Column(db.DateTime, nullable=False)
+    uploaded_by = db.Column(db.BigInteger, db.ForeignKey('user.id'), nullable=True, index=True)
+
+    def __init__(
+        self,
+        asset_id,
+        version,
+        content_hash,
+        created_at,
+        uploaded_by=None
+    ):
+        self.asset_id = asset_id
+        self.version = version
+        self.content_hash = content_hash
+        self.created_at = created_at
+        self.updated_at = created_at
+        self.uploaded_by = uploaded_by
+    
+    def __repr__(self):
+        return "<AssetVersion id={id} asset_id={asset_id} version={version} content_hash={content_hash} created_at={created_at} updated_at={updated_at}>".format(
+            id=self.id,
+            asset_id=self.asset_id,
+            version=self.version,
+            content_hash=self.content_hash,
+            created_at=self.created_at,
+            updated_at=self.updated_at
+        )