"""notification table

Revision ID: ac71b9a4b040
Revises: 0ce7107c1910
Create Date: 2025-05-14 16:14:23.750891

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'ac71b9a4b040'
down_revision: Union[str, None] = '0ce7107c1910'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('notifications',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('title', sa.String(), nullable=True),
    sa.Column('message', sa.String(), nullable=True),
    sa.Column('is_read', sa.Boolean(), nullable=True),
    sa.Column('sender_id', sa.Integer(), nullable=False),
    sa.Column('receiver_id', sa.Integer(), nullable=False),
    sa.Column('create_time', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
    sa.Column('update_time', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
    sa.ForeignKeyConstraint(['receiver_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['sender_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_notifications_id'), 'notifications', ['id'], unique=False)
    op.create_index(op.f('ix_notifications_receiver_id'), 'notifications', ['receiver_id'], unique=False)
    op.create_index(op.f('ix_notifications_sender_id'), 'notifications', ['sender_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_notifications_sender_id'), table_name='notifications')
    op.drop_index(op.f('ix_notifications_receiver_id'), table_name='notifications')
    op.drop_index(op.f('ix_notifications_id'), table_name='notifications')
    op.drop_table('notifications')
    # ### end Alembic commands ###