"""empty message

Revision ID: 33284623adec
Revises: 
Create Date: 2020-07-27 11:23:41.047766

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '33284623adec'
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('channel',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('channelId', sa.String(length=30), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('channelId')
    )
    op.create_table('user',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('username', sa.String(length=64), nullable=True),
    sa.Column('email', sa.String(length=120), nullable=True),
    sa.Column('password_hash', sa.String(length=128), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
    op.create_index(op.f('ix_user_username'), 'user', ['username'], unique=True)
    op.create_table('channel_association',
    sa.Column('channel_id', sa.String(), nullable=True),
    sa.Column('user_id', sa.Integer(), nullable=True),
    sa.ForeignKeyConstraint(['channel_id'], ['channel.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['user.id'], )
    )
    op.create_table('followers',
    sa.Column('follower_id', sa.Integer(), nullable=True),
    sa.Column('followed_id', sa.Integer(), nullable=True),
    sa.ForeignKeyConstraint(['followed_id'], ['user.id'], ),
    sa.ForeignKeyConstraint(['follower_id'], ['user.id'], )
    )
    op.create_table('post',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('body', sa.String(length=140), nullable=True),
    sa.Column('timestamp', sa.String(length=100), nullable=True),
    sa.Column('url', sa.String(length=100), nullable=True),
    sa.Column('username', sa.String(length=24), nullable=True),
    sa.Column('user_id', sa.Integer(), nullable=True),
    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('url')
    )
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('post')
    op.drop_table('followers')
    op.drop_table('channel_association')
    op.drop_index(op.f('ix_user_username'), table_name='user')
    op.drop_index(op.f('ix_user_email'), table_name='user')
    op.drop_table('user')
    op.drop_table('channel')
    # ### end Alembic commands ###