Implement database & model hashing

alembic_db/versions/565b08122d00_init.py

@@ -0,0 +1,34 @@
+"""init
+
+Revision ID: 565b08122d00
+Revises: 
+Create Date: 2025-05-29 19:15:56.230322
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '565b08122d00'
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    op.create_table('model',
+    sa.Column('type', sa.Text(), nullable=False),
+    sa.Column('path', sa.Text(), nullable=False),
+    sa.Column('hash', sa.Text(), nullable=True),
+    sa.Column('date_added', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
+    sa.PrimaryKeyConstraint('type', 'path')
+    )
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    op.drop_table('model')