"""Youtube Playlists

Revision ID: 7e677b022eeb
Revises: 3d63f6ffd4bb
Create Date: 2020-10-22 10:50:32.824558

"""

# revision identifiers, used by Alembic.
revision = '7e677b022eeb'
down_revision = '3d63f6ffd4bb'
branch_labels = None
depends_on = None

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

def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('yt_playlist_video_positions',
    sa.Column('as_of', sa.Date(), nullable=False),
    sa.Column('playlist_ytid', sa.String(), nullable=False),
    sa.Column('video_ytid', sa.String(), nullable=False),
    sa.Column('position', sa.Integer(), nullable=False),
    sa.PrimaryKeyConstraint('as_of', 'playlist_ytid', 'video_ytid')
    )
    op.create_table('yt_playlists',
    sa.Column('ytid', sa.String(), nullable=False),
    sa.Column('name', sa.String(), nullable=True),
    sa.Column('last_updated', sa.DateTime(), nullable=True),
    sa.Column('active', sa.Boolean(), server_default=sa.text('true'), nullable=False),
    sa.Column('api_data', postgresql.JSONB(none_as_null=True, astext_type=sa.Text()), nullable=True),
    sa.Column('description', sa.Text(), sa.Computed("(api_data->'snippet'->>'description')", ), nullable=True),
    sa.Column('text_language', sa.Text(), sa.Computed("api_data->'snippet'->>'defaultLanguage'", ), nullable=True),
    sa.PrimaryKeyConstraint('ytid')
    )


def downgrade():
    op.drop_table('yt_playlists')
    op.drop_table('yt_playlist_video_positions')
    # ### end Alembic commands ###