ready for the task implementation

application/classes/Controller/Subscription.php

@@ -112,7 +112,15 @@ class Controller_Subscription extends Controller_Layout {
         {
           $model->save();
           $model->add('subscription', $subscription);
-          // TODO: send welcome letter
+          $task = ORM::factory('Task');
+          $letter = $subscription->next_letter();
+          $task->letter_id = $letter->id;
+          $task->client_id = $model->id;
+          // now we break the abstraction to speed things up
+          $task->status = Model_Task::STATUS_SENT;
+          $task->date = date('Y-m-d');
+          $task->create();
+          $letter->send($model->email);
         }
         else
         {

application/classes/Model/Subscription.php

@@ -70,4 +70,18 @@ class Model_Subscription extends ORM {
     $count = DB::select(array(DB::expr('COUNT(*)'), 'cnt'))->from('subscriptions')->where('id', '=', $id)->execute()->get('cnt');
     return ($count == 1);
   }
+
+  /**
+   * Get next letter in subscription
+   * @param int $offset search offset (typically number of already sent letters)
+   **/
+  public function next_letter($offset = 0)
+  {
+    return ORM::factory('Letter')
+      ->where('subscription_id', '=', $this->id)
+      ->order_by('order', 'ASC')
+      ->limit(1)
+      ->offset($offset)
+      ->find();
+  }
 }

application/classes/Model/Task.php

@@ -11,7 +11,7 @@ class Model_Task extends ORM {
   const STATUS_SENDING = 2;
   const STATUS_SENT = 3;
 
-  protected $has_many = array(
+  protected $_has_many = array(
     'letter',
     'client'
   );
@@ -40,4 +40,13 @@ class Model_Task extends ORM {
     'date' => 'Mailing date',
     'status' => 'Status'
   );
+
+  public function execute()
+  {
+    $letter = ORM::factory('Letter', $this->letter_id);
+    $client = ORM::factory('Client', $this->client_id);
+    $letter->send($client->email);
+    $this->status = STATUS_SENT;
+    $this->save();
+  }
 }