Add challenges promotion

backend/alembic/versions/011_add_challenge_proposals.py

@@ -0,0 +1,28 @@
+"""Add challenge proposals support
+
+Revision ID: 011_add_challenge_proposals
+Revises: 010_add_telegram_profile
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '011_add_challenge_proposals'
+down_revision: Union[str, None] = '010_add_telegram_profile'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column('challenges', sa.Column('proposed_by_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=True))
+    op.add_column('challenges', sa.Column('status', sa.String(20), server_default='approved', nullable=False))
+
+
+def downgrade() -> None:
+    op.drop_column('challenges', 'status')
+    op.drop_column('challenges', 'proposed_by_id')