chill-bundles/src/Bundle/ChillPersonBundle/migrations/Version20210915093624.php

<?php

declare(strict_types=1);

namespace Chill\Migrations\Person;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

/**
 * Create view for PersonCurrentAddress and related indexes
 */
final class Version20210915093624 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create view for PersonCurrentAddress and related indexes';
    }

    public function up(Schema $schema): void
    {
        $this->addSql("CREATE VIEW view_chill_person_current_address AS
            SELECT
                cphm.person_id  AS person_id,
                cma.id AS address_id,
                CASE WHEN cphm.startdate > COALESCE(cma.validfrom, '-infinity'::date) THEN cphm.startdate ELSE cma.validfrom END AS valid_from,
                CASE WHEN COALESCE(cphm.enddate, 'infinity'::date) < COALESCE(cma.validto, 'infinity'::date) THEN cphm.enddate ELSE cma.validto END AS valid_to
            FROM chill_person_household_members AS cphm
                     LEFT JOIN chill_person_household_to_addresses AS cphta ON cphta.household_id = cphm.household_id
                     LEFT JOIN chill_main_address AS cma ON cphta.address_id = cma.id
            WHERE
                  cphm.sharedhousehold IS TRUE
            AND
                  current_date between cphm.startdate AND coalesce(enddate, 'infinity'::date)
            AND
                  current_date between cma.validfrom AND coalesce(validto, 'infinity'::date)
      ");

        $this->addSql("CREATE INDEX chill_custom_main_address_filtering_idx ON chill_main_address USING btree (id, validfrom ASC, validto DESC)");
        $this->addSql("CREATE INDEX chill_custom_person_household_members_sharing_idx ON chill_person_household_members USING btree (person_id, startdate ASC, enddate DESC, household_id) WHERE sharedhousehold IS TRUE");
    }

    public function down(Schema $schema): void
    {
        $this->addSql("DROP VIEW view_chill_person_current_address");
        $this->addSql("DROP INDEX chill_custom_main_address_filtering_idx");
        $this->addSql("DROP INDEX chill_custom_person_household_members_sharing_idx");
    }
}