61 lines
1.7 KiB
PHP
61 lines
1.7 KiB
PHP
<?php
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namespace Szurubooru\Upgrades;
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use Szurubooru\DatabaseConnection;
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class Upgrade10 implements IUpgrade
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{
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public function run(DatabaseConnection $databaseConnection)
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{
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$pdo = $databaseConnection->getPDO();
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$driver = $databaseConnection->getDriver();
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$pdo->exec('CREATE TABLE favorites
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(
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id INTEGER PRIMARY KEY ' . ($driver === 'mysql' ? 'AUTO_INCREMENT' : 'AUTOINCREMENT') . ',
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userId INTEGER NOT NULL,
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postId INTEGER NOT NULL,
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time DATETIME NOT NULL,
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UNIQUE (userId, postId)
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)');
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$pdo->exec('
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CREATE TRIGGER favoritesDelete BEFORE DELETE ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount - 1 WHERE posts.id = OLD.postId;
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UPDATE posts SET lastFavTime = (
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SELECT MAX(time) FROM favorites
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WHERE favorites.postId = posts.id)
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WHERE posts.id = OLD.postId;
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END');
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$pdo->exec('
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CREATE TRIGGER favoritesInsert AFTER INSERT ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
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UPDATE posts SET lastFavTime = (
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SELECT MAX(time) FROM favorites
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WHERE favorites.postId = posts.id)
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WHERE posts.id = NEW.postId;
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END');
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$pdo->exec('
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CREATE TRIGGER favoritesUpdate AFTER UPDATE ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
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UPDATE posts SET favCount = favCount - 1 WHERE posts.id = OLD.postId;
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UPDATE posts SET lastFavTime = (
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SELECT MAX(time) FROM favorites
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WHERE favorites.postId = posts.id)
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WHERE posts.id IN (OLD.postId, NEW.postId);
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END');
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$pdo->exec('ALTER TABLE posts ADD COLUMN favCount INTEGER NOT NULL DEFAULT 0');
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$pdo->exec('ALTER TABLE posts ADD COLUMN lastFavTime DATETIME');
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}
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}
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