add migration script

migrations/versions/2020_052419_f680032cc361_.py

@@ -0,0 +1,53 @@
+"""empty message
+
+Revision ID: f680032cc361
+Revises: 00532ac6d4bc
+Create Date: 2020-05-24 19:03:10.209349
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'f680032cc361'
+down_revision = '00532ac6d4bc'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('fido',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=False),
+    sa.Column('updated_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=True),
+    sa.Column('credential_id', sa.String(), nullable=False),
+    sa.Column('uuid', sa.String(), nullable=False),
+    sa.Column('public_key', sa.String(), nullable=False),
+    sa.Column('sign_count', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=128), nullable=False),
+    sa.ForeignKeyConstraint(['uuid'], ['users.fido_uuid'], ondelete='cascade'),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('public_key')
+    )
+    op.create_index(op.f('ix_fido_credential_id'), 'fido', ['credential_id'], unique=True)
+    op.drop_constraint('users_fido_credential_id_key', 'users', type_='unique')
+    op.drop_constraint('users_fido_pk_key', 'users', type_='unique')
+    op.drop_column('users', 'fido_sign_count')
+    op.drop_column('users', 'fido_pk')
+    op.drop_column('users', 'fido_credential_id')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('fido_credential_id', sa.VARCHAR(), autoincrement=False, nullable=True))
+    op.add_column('users', sa.Column('fido_pk', sa.VARCHAR(), autoincrement=False, nullable=True))
+    op.add_column('users', sa.Column('fido_sign_count', sa.INTEGER(), autoincrement=False, nullable=True))
+    op.create_unique_constraint('users_fido_pk_key', 'users', ['fido_pk'])
+    op.create_unique_constraint('users_fido_credential_id_key', 'users', ['fido_credential_id'])
+    op.drop_index(op.f('ix_fido_credential_id'), table_name='fido')
+    op.drop_table('fido')
+    # ### end Alembic commands ###