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85 lines
2.3 KiB
85 lines
2.3 KiB
<?php
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require_once __DIR__ . '/Database.php';
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/**
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* 邮箱管理数据访问层
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*
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* @package storage
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*/
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class MailboxRepository {
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private $db;
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public function __construct() {
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$this->db = Database::getInstance();
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}
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/**
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* 获取用户邮箱大小限制
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* @param int $userId 用户ID
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* @return int 大小限制（字节）
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*/
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public function getSizeLimit($userId) {
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$stmt = $this->db->prepare("
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SELECT size_limit_bytes FROM user_mailbox_limits WHERE user_id = ?
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");
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$stmt->execute([$userId]);
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$result = $stmt->fetch();
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if ($result) {
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return (int)$result['size_limit_bytes'];
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}
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// 返回默认值
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return 104857600; // 100MB
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}
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/**
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* 设置用户邮箱大小限制
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* @param int $userId 用户ID
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* @param int $sizeBytes 大小限制（字节）
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* @return bool 是否成功
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*/
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public function setSizeLimit($userId, $sizeBytes) {
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$stmt = $this->db->prepare("
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INSERT INTO user_mailbox_limits (user_id, size_limit_bytes)
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VALUES (?, ?)
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ON DUPLICATE KEY UPDATE size_limit_bytes = VALUES(size_limit_bytes)
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");
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return $stmt->execute([$userId, $sizeBytes]);
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}
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/**
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* 获取用户当前邮箱使用大小
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* @param int $userId 用户ID
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* @return int 已使用大小（字节）
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*/
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public function getUsedSize($userId) {
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$stmt = $this->db->prepare("
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SELECT COALESCE(SUM(size_bytes), 0) as total_size
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FROM emails
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WHERE recipient_id = ? AND is_deleted = 0
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");
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$stmt->execute([$userId]);
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$result = $stmt->fetch();
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return (int)($result['total_size'] ?? 0);
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}
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/**
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* 获取用户邮箱使用情况
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* @param int $userId 用户ID
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* @return array ['limit' => int, 'used' => int, 'percentage' => float]
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*/
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public function getUsage($userId) {
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$limit = $this->getSizeLimit($userId);
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$used = $this->getUsedSize($userId);
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$percentage = $limit > 0 ? ($used / $limit) * 100 : 0;
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return [
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'limit' => $limit,
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'used' => $used,
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'percentage' => round($percentage, 2)
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];
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}
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}
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