easyappointments/application/migrations/011_remove_prefix_from_fkey_constraints.php

<?php defined('BASEPATH') or exit('No direct script access allowed');

/* ----------------------------------------------------------------------------
 * Easy!Appointments - Online Appointment Scheduler
 *
 * @package     EasyAppointments
 * @author      A.Tselegidis <alextselegidis@gmail.com>
 * @copyright   Copyright (c) Alex Tselegidis
 * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
 * @link        https://easyappointments.org
 * @since       v1.3.0
 * ---------------------------------------------------------------------------- */

class Migration_Remove_prefix_from_fkey_constraints extends EA_Migration
{
    /**
     * Upgrade method.
     */
    public function up()
    {
        // Drop table constraints.
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('appointments') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_2`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('appointments') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_3`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('appointments') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_4`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '` DROP FOREIGN KEY `fk_' .
                $this->db->dbprefix('secretaries_providers') .
                '_1`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '` DROP FOREIGN KEY `fk_' .
                $this->db->dbprefix('secretaries_providers') .
                '_2`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('services_providers') .
                '_ibfk_1`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('services_providers') .
                '_ibfk_2`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('services') .
                '_ibfk_1`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('users') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('users') .
                '_ibfk_1`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('user_settings') .
                '` DROP FOREIGN KEY `' .
                $this->db->dbprefix('user_settings') .
                '_ibfk_1`'
        );

        // Add table constraints again without the "ea" prefix.
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('appointments') .
                '`
            ADD CONSTRAINT `appointments_users_customer` FOREIGN KEY (`id_users_customer`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE,
            ADD CONSTRAINT `appointments_services` FOREIGN KEY (`id_services`) REFERENCES `' .
                $this->db->dbprefix('services') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE,
            ADD CONSTRAINT `appointments_users_provider` FOREIGN KEY (`id_users_provider`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '`
            ADD CONSTRAINT `secretaries_users_secretary` FOREIGN KEY (`id_users_secretary`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE,
            ADD CONSTRAINT `secretaries_users_provider` FOREIGN KEY (`id_users_provider`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services') .
                '`
            ADD CONSTRAINT `services_service_categories` FOREIGN KEY (`id_service_categories`) REFERENCES `' .
                $this->db->dbprefix('service_categories') .
                '` (`id`)
            ON DELETE SET NULL
            ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '`
            ADD CONSTRAINT `services_providers_users_provider` FOREIGN KEY (`id_users`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE,
            ADD CONSTRAINT `services_providers_services` FOREIGN KEY (`id_services`) REFERENCES `' .
                $this->db->dbprefix('services') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('users') .
                '`
            ADD CONSTRAINT `users_roles` FOREIGN KEY (`id_roles`) REFERENCES `' .
                $this->db->dbprefix('roles') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('user_settings') .
                '`
            ADD CONSTRAINT `user_settings_users` FOREIGN KEY (`id_users`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`)
            ON DELETE CASCADE
            ON UPDATE CASCADE'
        );
    }

    /**
     * Downgrade method.
     */
    public function down()
    {
        // Drop table constraints.
        $this->db->query(
            'ALTER TABLE `' . $this->db->dbprefix('appointments') . '` DROP FOREIGN KEY `appointments_services`'
        );
        $this->db->query(
            'ALTER TABLE `' . $this->db->dbprefix('appointments') . '` DROP FOREIGN KEY `appointments_users_customer`'
        );
        $this->db->query(
            'ALTER TABLE `' . $this->db->dbprefix('appointments') . '` DROP FOREIGN KEY `appointments_users_provider`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '` DROP FOREIGN KEY `secretaries_users_secretary`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '` DROP FOREIGN KEY `secretaries_users_provider`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '` DROP FOREIGN KEY `services_providers_users_provider`'
        );
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '` DROP FOREIGN KEY `services_providers_services`'
        );
        $this->db->query(
            'ALTER TABLE `' . $this->db->dbprefix('services') . '` DROP FOREIGN KEY `services_service_categories`'
        );
        $this->db->query('ALTER TABLE `' . $this->db->dbprefix('users') . '` DROP FOREIGN KEY `users_roles`');
        $this->db->query(
            'ALTER TABLE `' . $this->db->dbprefix('user_settings') . '` DROP FOREIGN KEY `user_settings_users`'
        );

        // Add table constraints again.
        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('appointments') .
                '`
            ADD CONSTRAINT `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_2` FOREIGN KEY (`id_users_customer`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
            ADD CONSTRAINT `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_3` FOREIGN KEY (`id_services`) REFERENCES `' .
                $this->db->dbprefix('services') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
            ADD CONSTRAINT `' .
                $this->db->dbprefix('appointments') .
                '_ibfk_4` FOREIGN KEY (`id_users_provider`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('secretaries_providers') .
                '`
            ADD CONSTRAINT `fk_' .
                $this->db->dbprefix('secretaries_providers') .
                '_1` FOREIGN KEY (`id_users_secretary`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
            ADD CONSTRAINT `fk_' .
                $this->db->dbprefix('secretaries_providers') .
                '_2` FOREIGN KEY (`id_users_provider`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services') .
                '`
            ADD CONSTRAINT `' .
                $this->db->dbprefix('services') .
                '_ibfk_1` FOREIGN KEY (`id_service_categories`) REFERENCES `' .
                $this->db->dbprefix('service_categories') .
                '` (`id`) ON DELETE SET NULL ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('services_providers') .
                '`
            ADD CONSTRAINT `' .
                $this->db->dbprefix('services_providers') .
                '_ibfk_1` FOREIGN KEY (`id_users`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
            ADD CONSTRAINT `' .
                $this->db->dbprefix('services_providers') .
                '_ibfk_2` FOREIGN KEY (`id_services`) REFERENCES `' .
                $this->db->dbprefix('services') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('users') .
                '`
            ADD CONSTRAINT `' .
                $this->db->dbprefix('users') .
                '_ibfk_1` FOREIGN KEY (`id_roles`) REFERENCES `' .
                $this->db->dbprefix('roles') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE'
        );

        $this->db->query(
            'ALTER TABLE `' .
                $this->db->dbprefix('user_settings') .
                '`
            ADD CONSTRAINT `' .
                $this->db->dbprefix('user_settings') .
                '_ibfk_1` FOREIGN KEY (`id_users`) REFERENCES `' .
                $this->db->dbprefix('users') .
                '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE'
        );
    }
}