42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
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<?php
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/**
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* 家庭：数据空间的根，所有名册条目都挂在它下面。
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*/
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declare(strict_types=1);
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namespace App;
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final class Family
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{
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public static function find(int $id): ?array
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{
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$st = Database::get()->prepare('SELECT * FROM families WHERE id = ?');
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$st->execute([$id]);
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$row = $st->fetch();
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return $row ?: null;
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}
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public static function create(string $name, string $motto = ''): int
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{
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$st = Database::get()->prepare('INSERT INTO families (name, motto) VALUES (?, ?)');
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$st->execute([$name, $motto !== '' ? $motto : null]);
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return (int)Database::get()->lastInsertId();
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}
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public static function update(int $id, string $name, string $motto = ''): void
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{
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$st = Database::get()->prepare('UPDATE families SET name = ?, motto = ? WHERE id = ?');
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$st->execute([$name, $motto !== '' ? $motto : null, $id]);
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}
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public static function countMembers(int $familyId): int
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{
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$st = Database::get()->prepare(
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"SELECT COUNT(*) FROM persons WHERE family_id = ? AND kind = 'member'"
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);
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$st->execute([$familyId]);
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return (int)$st->fetchColumn();
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}
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}
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