const config = require('config');

exports.up = async (knex) => knex.raw(`
    CREATE VIEW releases_not_showcased AS (
        SELECT releases.id AS release_id FROM releases
        LEFT JOIN entities AS channels ON channels.id = releases.entity_id
        LEFT JOIN entities AS studios ON studios.id = releases.studio_id
        LEFT JOIN entities AS networks ON networks .id = entities.parent_id
		WHERE (studios.showcased = false)
		OR (channel.showcased = false AND studios.showcased IS NOT true)
		OR (network.showcased = false AND channel.showcased IS NOT true AND studios.showcased IS NOT true)
    );

    COMMENT ON VIEW releases_not_showcased IS E'@foreignKey (release_id) references releases (id)';
    GRANT SELECT ON releases_not_showcased TO :visitor;
`, {
	visitor: knex.raw(config.database.query.user),
});

exports.down = async (knex) => knex.raw(`
    DROP VIEW IF EXISTS releases_not_showcased;
`);