"""add stars

Revision ID: 2088f2b81010
Revises: 1c5b738283a5
Create Date: 2014-12-02 17:45:00.707498

"""

# revision identifiers, used by Alembic.
revision = '2088f2b81010'
down_revision = '707d5191eda'

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

def upgrade(tables):
    op.create_table('star',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('repository_id', sa.Integer(), nullable=False),
        sa.Column('created', sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(['repository_id'], ['repository.id'], name=op.f('fk_star_repository_id_repository')),
        sa.ForeignKeyConstraint(['user_id'], ['user.id'], name=op.f('fk_star_user_id_user')),
        sa.PrimaryKeyConstraint('id', name=op.f('pk_star'))
    )
    with op.batch_alter_table('star', schema=None) as batch_op:
        batch_op.create_index('star_repository_id', ['repository_id'], unique=False)
        batch_op.create_index('star_user_id', ['user_id'], unique=False)
        batch_op.create_index('star_user_id_repository_id', ['user_id', 'repository_id'], unique=True)

def downgrade(tables):
    op.drop_constraint('fk_star_repository_id_repository', 'star', type_='foreignkey')
    op.drop_constraint('fk_star_user_id_user', 'star', type_='foreignkey')
    with op.batch_alter_table('star', schema=None) as batch_op:
        batch_op.drop_index('star_user_id_repository_id')
        batch_op.drop_index('star_user_id')
        batch_op.drop_index('star_repository_id')

    op.drop_table('star')