553 lines
22 KiB
PHP
553 lines
22 KiB
PHP
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<?php
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namespace App\Jobs;
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use App\Mail\ReplyToCustomer;
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use App\SendLog;
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use App\Thread;
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use App\Misc\SwiftGetSmtpQueueId;
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use Illuminate\Bus\Queueable;
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use Illuminate\Contracts\Queue\ShouldQueue;
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use Illuminate\Foundation\Bus\Dispatchable;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Queue\SerializesModels;
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use Mail;
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use Webklex\IMAP\Client;
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class SendReplyToCustomer implements ShouldQueue
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{
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use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
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public $conversation;
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public $threads;
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public $customer;
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private $failures = [];
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private $recipients = [];
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private $last_thread = null;
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private $message_id = '';
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private $customer_email = '';
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// Number of retries + 1
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public $tries = 168; // one per hour
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/**
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* The number of seconds the job can run before timing out.
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* fwrite() function in /vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php
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* in some cases may stuck and continue infinitely. This blocks queue:work and no other jobs are processed.
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* So we need to set the timeout. On timeout the whole queue:work process is being killed by Laravel.
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*/
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public $timeout = 120;
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/**
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* Create a new job instance.
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*
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* @return void
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*/
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public function __construct($conversation, $threads, $customer)
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{
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$this->conversation = $conversation;
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$this->threads = $threads;
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$this->customer = $customer;
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}
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/**
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* Execute the job.
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*
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* @return void
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*/
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public function handle()
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{
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$send_previous_messages = false;
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$is_forward = false;
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// When forwarding conversation is undone, new conversation is deleted.
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if (!$this->conversation) {
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return;
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}
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$mailbox = $this->conversation->mailbox;
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// Mailbox may be deleted.
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if (!$mailbox) {
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return;
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}
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// Add forwarded conversation replies.
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if ($this->conversation->threads_count == 1 && count($this->threads) == 1) {
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$forward_child_thread = $this->threads[0];
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if ($forward_child_thread->isForwarded() && $forward_child_thread->getForwardParentConversation()) {
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// Add replies from original conversation.
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$forwarded_replies = $forward_child_thread->getForwardParentConversation()->getReplies();
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$forwarded_replies = Thread::sortThreads($forwarded_replies);
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$forward_parent_thread = Thread::find($forward_child_thread->getMetaFw(Thread::META_FORWARD_PARENT_THREAD_ID));
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if ($forward_parent_thread) {
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// Remove threads created after forwarding.
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foreach ($forwarded_replies as $i => $thread) {
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if ($thread->created_at > $forward_parent_thread->created_at) {
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$forwarded_replies->forget($i);
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}
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}
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$this->threads = $this->threads->merge($forwarded_replies);
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$is_forward = true;
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}
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}
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}
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// Threads has to be sorted here, if sorted before, they come here in wrong order
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$this->threads = Thread::sortThreads($this->threads);
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$new = false;
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$headers = [];
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$this->last_thread = $this->threads->first();
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if ($this->last_thread === null) {
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return;
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}
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$last_customer_thread = null;
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// If thread is draft, it means it has been undone
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if ($this->last_thread->isDraft()) {
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return;
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}
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if (count($this->threads) == 1) {
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$new = true;
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}
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if (!$new) {
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$i = 0;
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foreach ($this->threads as $thread) {
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if ($i > 0 && $thread->type == Thread::TYPE_CUSTOMER) {
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$last_customer_thread = $thread;
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break;
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}
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$i++;
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}
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}
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// In-Reply-To and References headers.
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$references = '';
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if (!$new && !empty($last_customer_thread) && $last_customer_thread->message_id) {
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$headers['In-Reply-To'] = '<'.$last_customer_thread->message_id.'>';
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//$headers['References'] = '<'.$last_customer_thread->message_id.'>';
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// https://github.com/freescout-helpdesk/freescout/issues/3175
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$i = 0;
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$references_array = [];
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foreach ($this->threads as $thread) {
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if ($i > 0) {
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$reference = $thread->getMessageId();
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if ($reference) {
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$references_array[] = $reference;
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}
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}
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$i++;
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}
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if ($references_array) {
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$references = '<'.implode('> <', array_reverse($references_array)).'>';
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}
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if ($references) {
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$headers['References'] = $references;
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}
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}
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// Conversation history.
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$email_conv_history = config('app.email_conv_history');
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$threads_count = count($this->threads);
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$meta_conv_history = $this->last_thread->getMeta(Thread::META_CONVERSATION_HISTORY);
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if (!empty($meta_conv_history)) {
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$email_conv_history = $meta_conv_history;
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}
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if ($is_forward && $email_conv_history == 'global') {
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$email_conv_history = 'full';
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}
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if ($is_forward && $email_conv_history == 'none') {
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$email_conv_history = 'full';
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}
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if ($email_conv_history == 'full') {
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$send_previous_messages = true;
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}
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if ($email_conv_history == 'last') {
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$send_previous_messages = true;
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$this->threads = $this->threads->slice(0, 2);
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}
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if ($email_conv_history == 'none') {
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$send_previous_messages = false;
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}
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if (!$is_forward) {
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$send_previous_messages = \Eventy::filter('jobs.send_reply_to_customer.send_previous_messages', $send_previous_messages, $this->last_thread, $this->threads, $this->conversation, $this->customer);
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}
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// Remove previous messages.
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if (!$send_previous_messages) {
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$this->threads = $this->threads->slice(0, 1);
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}
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// Configure mail driver according to Mailbox settings
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\MailHelper::setMailDriver($mailbox, $this->last_thread->created_by_user, $this->conversation);
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// https://github.com/freescout-helpdesk/freescout/issues/3330
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if (!\MailHelper::$smtp_queue_id_plugin_registered) {
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\Mail::getSwiftMailer()->registerPlugin(new SwiftGetSmtpQueueId());
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\MailHelper::$smtp_queue_id_plugin_registered = true;
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}
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$this->message_id = $this->last_thread->getMessageId($mailbox);
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$headers['Message-ID'] = $this->message_id;
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$this->customer_email = $this->conversation->customer_email;
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// For phone conversations we may need to get customer email.
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// https://github.com/freescout-helpdesk/freescout/issues/3270
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if (!$this->customer_email && $this->conversation->isPhone()) {
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$this->customer_email = $this->conversation->customer->getMainEmail();
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if (!$this->customer_email) {
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return;
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}
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}
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$to_array = $mailbox->removeMailboxEmailsFromList($this->last_thread->getToArray());
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$cc_array = $mailbox->removeMailboxEmailsFromList($this->last_thread->getCcArray());
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$bcc_array = $mailbox->removeMailboxEmailsFromList($this->last_thread->getBccArray());
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// Remove customer email from CC and BCC
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$cc_array = \App\Misc\Mail::removeEmailFromArray($cc_array, $this->customer_email);
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$bcc_array = \App\Misc\Mail::removeEmailFromArray($bcc_array, $this->customer_email);
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// Auto Bcc.
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if ($mailbox->auto_bcc) {
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$auto_bcc = \MailHelper::sanitizeEmails($mailbox->auto_bcc);
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if ($auto_bcc) {
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$bcc_array = array_merge($bcc_array, $auto_bcc);
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}
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}
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// Remove from BCC emails which are present in CC
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foreach ($cc_array as $cc_email) {
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$bcc_array = \App\Misc\Mail::removeEmailFromArray($bcc_array, $cc_email);
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}
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$this->recipients = array_merge($to_array, $cc_array, $bcc_array);
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$to = [];
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if (count($to_array) > 1) {
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$to = $to_array;
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} else {
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$to = [['name' => $this->customer->getFullName(), 'email' => $this->customer_email]];
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}
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// If sending fails, all recipiens fail.
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// if ($this->attempts() > 1) {
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// $cc_array = [];
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// $bcc_array = [];
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// }
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$subject = $this->conversation->subject;
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if (!$new && !$is_forward) {
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$subject = 'Re: '.$subject;
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}
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$subject = \Eventy::filter('email.reply_to_customer.subject', $subject, $this->conversation, $this->last_thread);
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$this->threads = \Eventy::filter('email.reply_to_customer.threads', $this->threads, $this->conversation, $mailbox);
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$headers['X-FreeScout-Mail-Type'] = 'customer.message';
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$reply_mail = new ReplyToCustomer($this->conversation, $this->threads, $headers, $mailbox, $subject, $threads_count);
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$smtp_queue_id = null;
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try {
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Mail::to($to)
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->cc($cc_array)
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->bcc($bcc_array)
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->send($reply_mail);
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$smtp_queue_id = SwiftGetSmtpQueueId::$last_smtp_queue_id;
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} catch (\Exception $e) {
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// We come here in case SMTP server unavailable for example
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if ($this->attempts() == 1) {
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activity()
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->causedBy($this->customer)
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->withProperties([
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'error' => $e->getMessage().'; File: '.$e->getFile().' ('.$e->getLine().')',
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])
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->useLog(\App\ActivityLog::NAME_EMAILS_SENDING)
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->log(\App\ActivityLog::DESCRIPTION_EMAILS_SENDING_ERROR_TO_CUSTOMER);
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}
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// Failures will be saved to send log when retry attempts will finish
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// Mail::failures() is empty in case of connection error.
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$this->failures = $this->recipients;
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// Save to send log (only first attempt).
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if ($this->attempts() == 1) {
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$this->saveToSendLog($e->getMessage());
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}
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$error_message = $e->getMessage();
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// Remove stack trace from error message.
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$error_message = preg_replace('#[\r\n]*" in /.*#s', '"', $error_message);
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// SMTP response code is stored in the exception message:
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// Expected response code 235 but got code "535", with message...
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preg_match('#but got code "(\d+)",#', $error_message, $response_m);
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$response_code = (int)($response_m[1] ?? 0);
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// Retry job with delay.
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// https://stackoverflow.com/questions/35258175/how-can-i-create-delays-between-failed-queued-job-attempts-in-laravel
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if ($this->attempts() < $this->tries && !preg_match("/".config("app.no_retry_mail_errors")."/i", $error_message)) {
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if ($this->attempts() == 1) {
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// Second attempt after 5 min.
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$this->release(300);
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} else {
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// Others - after 1 hour.
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$this->release(3600);
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}
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// If an email has not been sent after 1 hour - show an error message to support agent.
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if ($this->attempts() >= 3 || $response_code >= 500) {
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$this->last_thread->send_status = SendLog::STATUS_SEND_INTERMEDIATE_ERROR;
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$this->last_thread->updateSendStatusData(['msg' => $error_message]);
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$this->last_thread->save();
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}
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throw $e;
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} else {
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$this->last_thread->send_status = SendLog::STATUS_SEND_ERROR;
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$this->last_thread->updateSendStatusData(['msg' => $error_message]);
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$this->last_thread->save();
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// This executes $this->failed().
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$this->fail($e);
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return;
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}
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}
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SwiftGetSmtpQueueId::$last_smtp_queue_id = null;
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// Clean error message if email finally has been sent.
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if ($this->last_thread->send_status == SendLog::STATUS_SEND_ERROR) {
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$this->last_thread->send_status = null;
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$this->last_thread->updateSendStatusData(['msg' => '']);
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$this->last_thread->save();
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}
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$imap_sent_folder = $mailbox->imap_sent_folder;
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if ($imap_sent_folder) {
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try {
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$client = \MailHelper::getMailboxClient($mailbox);
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$client->connect();
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$envelope['from'] = $mailbox->getMailFrom(null, $this->conversation)['address'];
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$envelope['to'] = $this->customer_email;
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$envelope['subject'] = $subject;
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$envelope['date'] = now()->toRfc2822String();
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$envelope['message_id'] = $this->message_id;
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// CC.
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if (count($cc_array)) {
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$envelope['cc'] = implode(',', $cc_array);
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|
}
|
||
|
|
|
||
|
|
// Get penultimate email Message-Id if reply
|
||
|
|
if (!$new && !empty($last_customer_thread) && $last_customer_thread->message_id) {
|
||
|
|
$envelope['custom_headers'] = [
|
||
|
|
'In-Reply-To: <'.$last_customer_thread->message_id.'>',
|
||
|
|
'References: '.$references,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
// Remove new lines to avoid "imap_mail_compose(): header injection attempt in subject".
|
||
|
|
foreach ($envelope as $i => $envelope_value) {
|
||
|
|
$envelope[$i] = preg_replace("/[\r\n]/", '', $envelope_value);
|
||
|
|
}
|
||
|
|
|
||
|
|
$parts = [];
|
||
|
|
|
||
|
|
// Multipart flag.
|
||
|
|
if ($this->last_thread->has_attachments) {
|
||
|
|
$multipart = [];
|
||
|
|
$multipart["type"] = TYPEMULTIPART;
|
||
|
|
$multipart["subtype"] = "alternative";
|
||
|
|
$parts[] = $multipart;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Body.
|
||
|
|
$part_body['type'] = TYPETEXT;
|
||
|
|
$part_body['subtype'] = 'html';
|
||
|
|
$part_body['contents.data'] = $reply_mail->render();
|
||
|
|
$part_body['charset'] = 'utf-8';
|
||
|
|
|
||
|
|
$parts[] = $part_body;
|
||
|
|
|
||
|
|
// Add attachments.
|
||
|
|
if ($this->last_thread->has_attachments) {
|
||
|
|
|
||
|
|
foreach ($this->last_thread->attachments as $attachment) {
|
||
|
|
|
||
|
|
if ($attachment->embedded) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($attachment->fileExists()) {
|
||
|
|
$part = [];
|
||
|
|
$part["type"] = 'APPLICATION';
|
||
|
|
$part["encoding"] = ENCBASE64;
|
||
|
|
$part["subtype"] = "octet-stream";
|
||
|
|
$part["description"] = $attachment->file_name;
|
||
|
|
$part['disposition.type'] = 'attachment';
|
||
|
|
$part['disposition'] = array('filename' => $attachment->file_name);
|
||
|
|
$part['type.parameters'] = array('name' => $attachment->file_name);
|
||
|
|
$part["description"] = '';
|
||
|
|
$part["contents.data"] = base64_encode($attachment->getFileContents());
|
||
|
|
|
||
|
|
$parts[] = $part;
|
||
|
|
} else {
|
||
|
|
\Log::error('[IMAP Folder To Save Outgoing Replies] Thread: '.$this->last_thread->id.'. Attachment file not find on disk: '.$attachment->getLocalFilePath());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
// https://github.com/freescout-helpdesk/freescout/issues/3502
|
||
|
|
$imap_sent_folder = mb_convert_encoding($imap_sent_folder, "UTF7-IMAP","UTF-8");
|
||
|
|
|
||
|
|
// https://github.com/Webklex/php-imap/issues/380
|
||
|
|
if (method_exists($client, 'getFolderByPath')) {
|
||
|
|
$folder = $client->getFolderByPath($imap_sent_folder);
|
||
|
|
} else {
|
||
|
|
$folder = $client->getFolder($imap_sent_folder);
|
||
|
|
}
|
||
|
|
// Get folder method does not work if sent folder has spaces.
|
||
|
|
if ($folder) {
|
||
|
|
try {
|
||
|
|
$save_result = $this->saveEmailToFolder($client, $folder, $envelope, $parts, $bcc_array);
|
||
|
|
|
||
|
|
// Sometimes emails with attachments by some reason are not saved.
|
||
|
|
// https://github.com/freescout-helpdesk/freescout/issues/2749
|
||
|
|
if (!$save_result) {
|
||
|
|
// Save without attachments.
|
||
|
|
$save_result = $this->saveEmailToFolder($client, $folder, $envelope, [$part_body], $bcc_array);
|
||
|
|
if (!$save_result) {
|
||
|
|
\Log::error($this->getImapSaveErrorPrefix($mailbox).'Could not save outgoing reply to the IMAP folder (check folder name and make sure IMAP folder does not have spaces - folders with spaces do not work): '.$imap_sent_folder);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
// Just log error and continue.
|
||
|
|
\Helper::logException($e, $this->getImapSaveErrorPrefix($mailbox).'Could not save outgoing reply to the IMAP folder: ');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
\Log::error($this->getImapSaveErrorPrefix($mailbox).'Could not save outgoing reply to the IMAP folder (check folder name and make sure IMAP folder does not have spaces - folders with spaces do not work): '.$imap_sent_folder);
|
||
|
|
}
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
// Just log error and continue.
|
||
|
|
\Helper::logException($e, $this->getImapSaveErrorPrefix($mailbox).'Could not save outgoing reply to the IMAP folder, IMAP folder not found: '.$imap_sent_folder.' - ');
|
||
|
|
//$this->saveToSendLog('['.date('Y-m-d H:i:s').'] Could not save outgoing reply to the IMAP folder: '.$imap_sent_folder);
|
||
|
|
}
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
// Just log error and continue.
|
||
|
|
//$this->saveToSendLog('['.date('Y-m-d H:i:s').'] Could not get mailbox IMAP folder: '.$imap_sent_folder);
|
||
|
|
\Helper::logException($e, $this->getImapSaveErrorPrefix($mailbox).'Could not save outgoing reply to the IMAP folder: '.$imap_sent_folder.' - ');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// In message_id we are storing Message-ID of the incoming email which created the thread
|
||
|
|
// Outcoming message_id can be generated for each thread by thread->id
|
||
|
|
// $this->last_thread->message_id = $message_id;
|
||
|
|
// $this->last_thread->save();
|
||
|
|
|
||
|
|
// Laravel tells us exactly what email addresses failed
|
||
|
|
$this->failures = Mail::failures();
|
||
|
|
|
||
|
|
// Save to send log
|
||
|
|
$this->saveToSendLog('', $smtp_queue_id);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getImapSaveErrorPrefix($mailbox)
|
||
|
|
{
|
||
|
|
return '['.$mailbox->name.' » Connection Settings » Fetching Emails » IMAP Folder To Save Outgoing Replies] ';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Save an email to IMAP folder.
|
||
|
|
public function saveEmailToFolder($client, $folder, $envelope, $parts, $bcc = [])
|
||
|
|
{
|
||
|
|
$envelope_str = imap_mail_compose($envelope, $parts);
|
||
|
|
|
||
|
|
// Add BCC.
|
||
|
|
// https://stackoverflow.com/questions/47353938/php-imap-append-with-bcc
|
||
|
|
if (!empty($bcc)) {
|
||
|
|
// There will be a "To:" parameter for sure.
|
||
|
|
$to_pos = strpos($envelope_str , "To:");
|
||
|
|
if ($to_pos !== false) {
|
||
|
|
$bcc_str = "Bcc: " . implode(',', $bcc) . "\r\n";
|
||
|
|
$envelope_str = substr_replace($envelope_str , $bcc_str, $to_pos, 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (get_class($client) == 'Webklex\PHPIMAP\Client') {
|
||
|
|
return $folder->appendMessage($envelope_str, ['\Seen'], now()->format('d-M-Y H:i:s O'));
|
||
|
|
} else {
|
||
|
|
return $folder->appendMessage($envelope_str, '\Seen', now()->format('d-M-Y H:i:s O'));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The job failed to process.
|
||
|
|
* This method is called after attempts had finished.
|
||
|
|
* At this stage method has access only to variables passed in constructor.
|
||
|
|
*
|
||
|
|
* @param Exception $exception
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function failed(\Exception $e)
|
||
|
|
{
|
||
|
|
activity()
|
||
|
|
->causedBy($this->customer)
|
||
|
|
->withProperties([
|
||
|
|
'error' => $e->getMessage().'; File: '.$e->getFile().' ('.$e->getLine().')',
|
||
|
|
'to' => $this->customer_email,
|
||
|
|
])
|
||
|
|
->useLog(\App\ActivityLog::NAME_EMAILS_SENDING)
|
||
|
|
->log(\App\ActivityLog::DESCRIPTION_EMAILS_SENDING_ERROR_TO_CUSTOMER);
|
||
|
|
|
||
|
|
$this->saveToSendLog();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save emails to send log.
|
||
|
|
*/
|
||
|
|
public function saveToSendLog($error_message = '', $smtp_queue_id = '')
|
||
|
|
{
|
||
|
|
foreach ($this->recipients as $recipient) {
|
||
|
|
if (in_array($recipient, $this->failures)) {
|
||
|
|
$status = SendLog::STATUS_SEND_ERROR;
|
||
|
|
$status_message = $error_message;
|
||
|
|
} else {
|
||
|
|
$status = SendLog::STATUS_ACCEPTED;
|
||
|
|
$status_message = '';
|
||
|
|
}
|
||
|
|
if ($this->customer_email == $recipient) {
|
||
|
|
$customer_id = $this->customer->id;
|
||
|
|
} else {
|
||
|
|
$customer_id = null;
|
||
|
|
}
|
||
|
|
SendLog::log($this->last_thread->id, $this->message_id, $recipient, SendLog::MAIL_TYPE_EMAIL_TO_CUSTOMER, $status, $customer_id, null, $status_message, $smtp_queue_id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|