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CN-JS-HuiBai
295
Xboard/app/Services/MailService.php
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295
Xboard/app/Services/MailService.php
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<?php
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namespace App\Services;
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use App\Jobs\SendEmailJob;
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use App\Models\MailLog;
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use App\Models\User;
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use App\Utils\CacheKey;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Config;
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use Illuminate\Support\Facades\Log;
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use Illuminate\Support\Facades\Mail;
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class MailService
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{
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// Render {{key}} / {{key|default}} placeholders.
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private static function renderPlaceholders(string $template, array $vars): string
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{
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if ($template === '' || empty($vars)) {
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return $template;
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}
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return (string) preg_replace_callback('/\{\{\s*([a-zA-Z0-9_.-]+)(?:\|([^}]*))?\s*\}\}/', function ($m) use ($vars) {
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$key = $m[1] ?? '';
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$default = array_key_exists(2, $m) ? trim((string) $m[2]) : null;
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if (!array_key_exists($key, $vars) || $vars[$key] === null || $vars[$key] === '') {
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return $default !== null ? $default : $m[0];
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}
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$value = $vars[$key];
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if (is_bool($value)) {
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return $value ? '1' : '0';
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}
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if (is_scalar($value)) {
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return (string) $value;
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}
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return json_encode($value, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '';
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}, $template);
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}
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/**
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* 获取需要发送提醒的用户总数
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*/
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public function getTotalUsersNeedRemind(): int
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{
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return User::where(function ($query) {
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$query->where('remind_expire', true)
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->orWhere('remind_traffic', true);
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})
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->where('banned', false)
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->whereNotNull('email')
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->count();
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}
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/**
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* 分块处理用户提醒邮件
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*/
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public function processUsersInChunks(int $chunkSize, ?callable $progressCallback = null): array
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{
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$statistics = [
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'processed_users' => 0,
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'expire_emails' => 0,
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'traffic_emails' => 0,
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'errors' => 0,
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'skipped' => 0,
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];
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User::select('id', 'email', 'expired_at', 'transfer_enable', 'u', 'd', 'remind_expire', 'remind_traffic')
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->where(function ($query) {
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$query->where('remind_expire', true)
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->orWhere('remind_traffic', true);
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})
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->where('banned', false)
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->whereNotNull('email')
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->chunk($chunkSize, function ($users) use (&$statistics, $progressCallback) {
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$this->processUserChunk($users, $statistics);
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if ($progressCallback) {
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$progressCallback();
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}
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// 定期清理内存
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if ($statistics['processed_users'] % 2500 === 0) {
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gc_collect_cycles();
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}
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});
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return $statistics;
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}
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/**
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* 处理用户块
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*/
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private function processUserChunk($users, array &$statistics): void
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{
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foreach ($users as $user) {
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try {
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$statistics['processed_users']++;
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$emailsSent = 0;
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// 检查并发送过期提醒
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if ($user->remind_expire && $this->shouldSendExpireRemind($user)) {
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$this->remindExpire($user);
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$statistics['expire_emails']++;
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$emailsSent++;
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}
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// 检查并发送流量提醒
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if ($user->remind_traffic && $this->shouldSendTrafficRemind($user)) {
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$this->remindTraffic($user);
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$statistics['traffic_emails']++;
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$emailsSent++;
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}
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if ($emailsSent === 0) {
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$statistics['skipped']++;
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}
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} catch (\Exception $e) {
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$statistics['errors']++;
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Log::error('发送提醒邮件失败', [
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'user_id' => $user->id,
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'email' => $user->email,
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'error' => $e->getMessage()
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]);
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}
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}
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}
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/**
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* 检查是否应该发送过期提醒
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*/
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private function shouldSendExpireRemind(User $user): bool
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{
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if ($user->expired_at === NULL) {
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return false;
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}
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$expiredAt = $user->expired_at;
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$now = time();
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if (($expiredAt - 86400) < $now && $expiredAt > $now) {
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return true;
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}
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return false;
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}
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/**
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* 检查是否应该发送流量提醒
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*/
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private function shouldSendTrafficRemind(User $user): bool
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{
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if ($user->transfer_enable <= 0) {
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return false;
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}
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$usedBytes = $user->u + $user->d;
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$usageRatio = $usedBytes / $user->transfer_enable;
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// 流量使用超过80%时发送提醒
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return $usageRatio >= 0.8;
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}
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public function remindTraffic(User $user)
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{
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if (!$user->remind_traffic)
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return;
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if (!$this->remindTrafficIsWarnValue($user->u, $user->d, $user->transfer_enable))
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return;
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$flag = CacheKey::get('LAST_SEND_EMAIL_REMIND_TRAFFIC', $user->id);
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if (Cache::get($flag))
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return;
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if (!Cache::put($flag, 1, 24 * 3600))
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return;
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SendEmailJob::dispatch([
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'email' => $user->email,
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'subject' => __('The traffic usage in :app_name has reached 80%', [
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'app_name' => admin_setting('app_name', 'XBoard')
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]),
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'template_name' => 'remindTraffic',
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'template_value' => [
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'name' => admin_setting('app_name', 'XBoard'),
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'url' => admin_setting('app_url')
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]
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]);
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}
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public function remindExpire(User $user)
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{
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if (!$this->shouldSendExpireRemind($user)) {
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return;
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}
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SendEmailJob::dispatch([
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'email' => $user->email,
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'subject' => __('The service in :app_name is about to expire', [
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'app_name' => admin_setting('app_name', 'XBoard')
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]),
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'template_name' => 'remindExpire',
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'template_value' => [
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'name' => admin_setting('app_name', 'XBoard'),
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'url' => admin_setting('app_url')
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]
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]);
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}
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private function remindTrafficIsWarnValue($u, $d, $transfer_enable)
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{
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$ud = $u + $d;
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if (!$ud)
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return false;
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if (!$transfer_enable)
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return false;
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$percentage = ($ud / $transfer_enable) * 100;
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if ($percentage < 80)
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return false;
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if ($percentage >= 100)
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return false;
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return true;
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}
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/**
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* 发送邮件
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*
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* @param array $params 包含邮件参数的数组，必须包含以下字段：
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* - email: 收件人邮箱地址
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* - subject: 邮件主题
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* - template_name: 邮件模板名称，例如 "welcome" 或 "password_reset"
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* - template_value: 邮件模板变量，一个关联数组，包含模板中需要替换的变量和对应的值
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* @return array 包含邮件发送结果的数组，包含以下字段：
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* - email: 收件人邮箱地址
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* - subject: 邮件主题
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* - template_name: 邮件模板名称
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* - error: 如果邮件发送失败，包含错误信息；否则为 null
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* @throws \InvalidArgumentException 如果 $params 参数缺少必要的字段，抛出此异常
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*/
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public static function sendEmail(array $params)
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{
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if (admin_setting('email_host')) {
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Config::set('mail.host', admin_setting('email_host', config('mail.host')));
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Config::set('mail.port', admin_setting('email_port', config('mail.port')));
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Config::set('mail.encryption', admin_setting('email_encryption', config('mail.encryption')));
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Config::set('mail.username', admin_setting('email_username', config('mail.username')));
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Config::set('mail.password', admin_setting('email_password', config('mail.password')));
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Config::set('mail.from.address', admin_setting('email_from_address', config('mail.from.address')));
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Config::set('mail.from.name', admin_setting('app_name', 'XBoard'));
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}
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$email = $params['email'];
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$subject = $params['subject'];
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$templateValue = $params['template_value'] ?? [];
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$vars = is_array($templateValue) ? ($templateValue['vars'] ?? []) : [];
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$contentMode = is_array($templateValue) ? ($templateValue['content_mode'] ?? null) : null;
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if (is_array($vars) && !empty($vars)) {
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$subject = self::renderPlaceholders((string) $subject, $vars);
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if (is_array($templateValue) && isset($templateValue['content']) && is_string($templateValue['content'])) {
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$templateValue['content'] = self::renderPlaceholders($templateValue['content'], $vars);
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}
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}
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// Mass mail default: treat admin content as plain text and escape.
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if ($contentMode === 'text' && is_array($templateValue) && isset($templateValue['content']) && is_string($templateValue['content'])) {
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$templateValue['content'] = e($templateValue['content']);
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}
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$params['template_value'] = $templateValue;
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$params['template_name'] = 'mail.' . admin_setting('email_template', 'default') . '.' . $params['template_name'];
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try {
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Mail::send(
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$params['template_name'],
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$params['template_value'],
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function ($message) use ($email, $subject) {
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$message->to($email)->subject($subject);
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}
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);
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$error = null;
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} catch (\Exception $e) {
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Log::error($e);
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$error = $e->getMessage();
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}
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$log = [
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'email' => $params['email'],
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'subject' => $params['subject'],
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'template_name' => $params['template_name'],
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'error' => $error,
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'config' => config('mail')
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];
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MailLog::create($log);
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return $log;
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}
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}
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