Add directory.disabled column

app/models.py

@@ -1622,6 +1622,8 @@ class LifetimeCoupon(db.Model, ModelMixin):
 class Directory(db.Model, ModelMixin):
     user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
     name = db.Column(db.String(128), unique=True, nullable=False)
+    # when a directory is disabled, new alias can't be created on the fly
+    disabled = db.Column(db.Boolean, default=False, nullable=False, server_default="0")
 
     user = db.relationship(User)
 

migrations/versions/2020_120710_780a8344914b_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: 780a8344914b
+Revises: c0d91ff18f77
+Create Date: 2020-12-07 10:33:14.157476
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '780a8344914b'
+down_revision = 'c0d91ff18f77'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('directory', sa.Column('disabled', sa.Boolean(), server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('directory', 'disabled')
+    # ### end Alembic commands ###