"""empty message

Revision ID: 0021_add_delivered_failed_counts
Revises: 0020_template_history_fix
Create Date: 2016-05-23 15:05:25.109346

"""

# revision identifiers, used by Alembic.
revision = '0021_add_delivered_failed_counts'
down_revision = '0020_template_history_fix'

from alembic import op
import sqlalchemy as sa


def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.add_column('jobs', sa.Column('notifications_delivered', sa.Integer(), nullable=True))
    op.add_column('jobs', sa.Column('notifications_failed', sa.Integer(), nullable=True))
    conn = op.get_bind()
    results = conn.execute("select distinct job_id from notifications")
    res = results.fetchall()

    for x in res:
        if x.job_id:
            op.execute("update jobs set notifications_delivered = ("
                       "select count(status) from notifications where status = 'delivered' and job_id = '{}' "
                       "group by job_id)"
                       "where jobs.id = '{}'".format(x.job_id, x.job_id))

            op.execute("update jobs set notifications_failed = ("
                       "select count(status) from notifications "
                       "where status in ('failed','technical-failure', 'temporary-failure', 'permanent-failure') "
                       "and job_id = '{}' group by job_id)"
                       "where jobs.id = '{}'".format(x.job_id, x.job_id))
    op.execute("update jobs set notifications_delivered = 0 where notifications_delivered is null")
    op.execute("update jobs set notifications_failed = 0 where notifications_failed is null")
    op.alter_column('jobs', 'notifications_delivered', nullable=False)
    op.alter_column('jobs', 'notifications_failed', nullable=False)
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('jobs', 'notifications_failed')
    op.drop_column('jobs', 'notifications_delivered')
    ### end Alembic commands ###