"""Add session and public_stream tables Revision ID: 0002 Revises: 0001 Create Date: 2023-04-01 00:00:00.000000 """ from alembic import op import sqlalchemy as sa from sqlalchemy.dialects import postgresql # revision identifiers, used by Alembic. revision = '0002' down_revision = '0001' branch_labels = None depends_on = None def upgrade(): # Create public_stream table op.create_table( 'public_stream', sa.Column('uid', sa.String(), nullable=False, comment='User ID of the stream owner'), sa.Column('filename', sa.String(), nullable=False, comment='Name of the audio file'), sa.Column('size', sa.BigInteger(), nullable=False, comment='File size in bytes'), sa.Column('mtime', sa.Float(), nullable=False, comment='Last modified time as Unix timestamp'), sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False), sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False, onupdate=sa.text('now()')), sa.PrimaryKeyConstraint('uid', 'filename') ) # Create session table op.create_table( 'session', sa.Column('id', sa.Integer(), autoincrement=True, nullable=False), sa.Column('user_id', sa.String(), nullable=False, index=True, comment='Reference to user.username'), sa.Column('token', sa.Text(), nullable=False, index=True, comment='Random session token'), sa.Column('ip_address', sa.String(45), nullable=False, comment='IP address of the client'), sa.Column('user_agent', sa.Text(), nullable=True, comment='User-Agent header from the client'), sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False), sa.Column('expires_at', sa.DateTime(), nullable=False, comment='When the session expires'), sa.Column('last_used_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False, onupdate=sa.text('now()')), sa.Column('is_active', sa.Boolean(), server_default=sa.text('true'), nullable=False, comment='Whether the session is active'), sa.ForeignKeyConstraint(['user_id'], ['user.username'], ondelete='CASCADE'), sa.PrimaryKeyConstraint('id') ) # Create indexes op.create_index('ix_session_user_id', 'session', ['user_id'], unique=False) op.create_index('ix_session_token', 'session', ['token'], unique=True) op.create_index('ix_session_expires_at', 'session', ['expires_at'], unique=False) op.create_index('ix_session_last_used_at', 'session', ['last_used_at'], unique=False) op.create_index('ix_public_stream_uid', 'public_stream', ['uid'], unique=False) op.create_index('ix_public_stream_updated_at', 'public_stream', ['updated_at'], unique=False) def downgrade(): # Drop indexes first op.drop_index('ix_session_user_id', table_name='session') op.drop_index('ix_session_token', table_name='session') op.drop_index('ix_session_expires_at', table_name='session') op.drop_index('ix_session_last_used_at', table_name='session') op.drop_index('ix_public_stream_uid', table_name='public_stream') op.drop_index('ix_public_stream_updated_at', table_name='public_stream') # Drop tables op.drop_table('session') op.drop_table('public_stream')