- Implements welcome e-mail scheduling

lib/Config/Migrator.php

@@ -221,6 +221,7 @@ class Migrator {
       'count_processed mediumint(9) NOT NULL DEFAULT 0,',
       'count_to_process mediumint(9) NOT NULL DEFAULT 0,',
       'count_failed mediumint(9) NOT NULL DEFAULT 0,',
+      'scheduled_at TIMESTAMP NOT NULL DEFAULT 0,',
       'processed_at TIMESTAMP NOT NULL DEFAULT 0,',
       'created_at TIMESTAMP NOT NULL DEFAULT 0,',
       'updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',

lib/Models/Subscriber.php

@@ -1,6 +1,7 @@
 <?php
 namespace MailPoet\Models;
 use MailPoet\Mailer\Mailer;
+use MailPoet\Newsletter\Scheduler\Scheduler;
 use MailPoet\Util\Helpers;
 
 if(!defined('ABSPATH')) exit;
@@ -208,6 +209,7 @@ class Subscriber extends Model {
 
       if($subscriber->save()) {
         $subscriber->addToSegments($segment_ids);
+        Scheduler::newSegmentSubscriptionNewsletter($subscriber, $segment_ids);
       }
     }
 

lib/Newsletter/Scheduler/Scheduler.php

@@ -0,0 +1,71 @@
+<?php
+namespace MailPoet\Newsletter\Scheduler;
+
+use Carbon\Carbon;
+use MailPoet\Models\Newsletter;
+use MailPoet\Models\SendingQueue;
+
+class Scheduler {
+  static function newSegmentSubscriptionNewsletter(array $subscriber, array $segments) {
+    $newsletters = self::getWelcomeNewsletters();
+    if(!count($newsletters)) return;
+    foreach($newsletters as $newsletter) {
+      if($newsletter['event'] === 'segment' &&
+        in_array($newsletter['segment'], $segments)
+      ) {
+        self::scheduleWelcomeNewsletter($newsletter, $subscriber);
+      }
+    }
+  }
+
+  static function newUserRegistrationNewsletter(array $subscriber, array $wp_user) {
+    $newsletters = self::getWelcomeNewsletters();
+    if(!count($newsletters)) return;
+    foreach($newsletters as $newsletter) {
+      if($newsletter['event'] === 'user' &&
+        in_array($newsletter['role'], $wp_user['roles'])
+      ) {
+        self::scheduleWelcomeNewsletter($newsletter, $subscriber);
+      }
+    }
+  }
+
+  private static function getWelcomeNewsletters() {
+    return Newsletter::where('type', 'welcome')
+      ->filter('filterWithOptions')
+      ->findArray();
+  }
+
+  private static function scheduleWelcomeNewsletter($newsletter, $subscriber) {
+    $queue = SendingQueue::create();
+    $queue->newsletter_id = $newsletter['id'];
+    $queue->subscribers = serialize(
+      array(
+        'to_process' => array($subscriber['id'])
+      )
+    );
+    $queue->count_total = $queue->count_to_process = 1;
+    $after_time_type = $newsletter['afterTimeType'];
+    $after_time_number = $newsletter['afterTimeNumber'];
+    $scheduled_at = null;
+    switch($after_time_type) {
+      case 'hours':
+        $scheduled_at = Carbon::now()
+          ->addHours($after_time_number);
+        break;
+      case 'days':
+        $scheduled_at = Carbon::now()
+          ->addDays($after_time_number);
+        break;
+      case 'weeks':
+        $scheduled_at = Carbon::now()
+          ->addWeeks($after_time_number);
+        break;
+    }
+    if($scheduled_at) {
+      $queue->status = 'scheduled';
+      $queue->scheduled_at = $scheduled_at;
+    }
+    $queue->save();
+  }
+}

lib/Segments/WP.php

@@ -2,17 +2,15 @@
 namespace MailPoet\Segments;
 use \MailPoet\Models\Subscriber;
 use \MailPoet\Models\Segment;
+use MailPoet\Newsletter\Scheduler\Scheduler;
 
 class WP {
   static function synchronizeUser($wp_user_id) {
-    $wpUser = \get_userdata($wp_user_id);
+    $wp_user = \get_userdata($wp_user_id);
     $segment = Segment::getWPUsers();
-
-    if($wpUser === false or $segment === false) return;
-
-    $subscriber = Subscriber::where('wp_user_id', $wpUser->ID)
+    if($wp_user === false or $segment === false) return;
+    $subscriber = Subscriber::where('wp_user_id', $wp_user->ID)
       ->findOne();
-
     switch(current_filter()) {
       case 'delete_user':
       case 'deleted_user':
@@ -20,23 +18,22 @@ class WP {
         if($subscriber !== false && $subscriber->id()) {
           $subscriber->delete();
         }
-      break;
-
+        break;
       case 'user_register':
+        $new_user = (!$subscriber) ? true : false;
       case 'added_existing_user':
       case 'profile_update':
       default:
         // get first name & last name
-        $first_name = $wpUser->first_name;
-        $last_name = $wpUser->last_name;
-        if(empty($wpUser->first_name) && empty($wpUser->last_name)) {
-          $first_name = $wpUser->display_name;
+        $first_name = $wp_user->first_name;
+        $last_name = $wp_user->last_name;
+        if(empty($wp_user->first_name) && empty($wp_user->last_name)) {
+          $first_name = $wp_user->display_name;
         }
-
         // subscriber data
         $data = array(
-          'wp_user_id'=> $wpUser->ID,
-          'email' => $wpUser->user_email,
+          'wp_user_id' => $wp_user->ID,
+          'email' => $wp_user->user_email,
           'first_name' => $first_name,
           'last_name' => $last_name,
           'status' => 'subscribed'
@@ -46,13 +43,18 @@ class WP {
           $data['id'] = $subscriber->id();
         }
         $subscriber = Subscriber::createOrUpdate($data);
-
         if($subscriber->getErrors() === false && $subscriber->id > 0) {
           if($segment !== false) {
             $segment->addSubscriber($subscriber->id);
           }
+          if(isset($new_user) && $new_user === true) {
+            Scheduler::newUserRegistrationNewsletter(
+              $subscriber->asArray(),
+              (array) $wp_user
+            );
+          }
         }
-      break;
+        break;
     }
   }