42 lines
1.5 KiB
PHP
42 lines
1.5 KiB
PHP
<?php
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namespace Misuzu\DatabaseMigrations\RemoveWithRecursive;
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use PDO;
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function migrate_up(PDO $conn): void
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{
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$conn->exec('DROP VIEW `msz_forum_permissions_view`');
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}
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function migrate_down(PDO $conn): void
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{
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$conn->exec("
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CREATE VIEW `msz_forum_permissions_view` AS
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WITH RECURSIVE permissions(user_id, role_id, forum_id, forum_perms_allow, forum_perms_deny) as (
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SELECT
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pp.`user_id`, pp.`role_id`,
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pc.`forum_id`,
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IFNULL(pp.`forum_perms_allow`, 0), IFNULL(pp.`forum_perms_deny`, 0)
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FROM `msz_forum_categories` as pc
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LEFT JOIN `msz_forum_permissions` as pp
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ON pp.`forum_id` = pc.`forum_id`
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GROUP BY `user_id`, `role_id`, `forum_id`
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UNION ALL
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SELECT
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permissions.`user_id`, permissions.`role_id`,
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cc.`forum_id`,
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IFNULL(cp.`forum_perms_allow`, 0) | permissions.`forum_perms_allow`,
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IFNULL(cp.`forum_perms_deny`, 0) | permissions.`forum_perms_deny`
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FROM `msz_forum_categories` as cc
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LEFT JOIN `msz_forum_permissions` as cp
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ON cp.`forum_id` = cc.`forum_id`
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INNER JOIN permissions
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ON cc.`forum_parent` = permissions.`forum_id`
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)
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SELECT
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`user_id`, `role_id`, `forum_id`,
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(BIT_OR(`forum_perms_allow`) &~ BIT_OR(`forum_perms_deny`)) as `forum_perms`
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FROM permissions
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GROUP BY `user_id`, `role_id`, `forum_id`
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");
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}
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