"""class days

Revision ID: 37acdb847a25
Revises: ad7e3f5ea2f3
Create Date: 2026-07-31 16:40:25.479997

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '37acdb847a25'
down_revision: Union[str, None] = 'ad7e3f5ea2f3'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('class_days',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('course_id', sa.Integer(), nullable=False),
    sa.Column('date', sa.Date(), nullable=False),
    sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('course_id', 'date')
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('class_days')
    # ### end Alembic commands ###