Working on recurring migration

app/Services/Recurring/CreateRecurringInvitations.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Services\Recurring;
+
+use App\Factory\InvoiceInvitationFactory;
+use App\Models\Invoice;
+use App\Models\InvoiceInvitation;
+use App\Services\AbstractService;
+use Illuminate\Support\Str;
+
+class CreateRecurringInvitations extends AbstractService
+{
+    private $entity;
+
+    private $entity_name;
+
+    private $entity_id_name;
+
+    private $invitation_class;
+
+    private $invitation_factory;
+
+    public function __construct($entity)
+    {
+        $this->entity = $entity;
+        $this->entity_name = lcfirst(Str::snake(class_basename($entity)));
+        $this->entity_id_name = $this->entity_name . "_id";
+        $this->invitation_class = Str::camel($this->entity_name);
+        $this->invitation_factory = $this->invitaiton_class . "Factory";
+    }
+
+    public function run()
+    {
+        $this->entity->client->contacts->each(function ($contact) {
+            $invitation = $this->invitation_class::whereCompanyId($this->entity->company_id)
+                                        ->whereClientContactId($contact->id)
+                                        ->where($this->entity_id_name, $this->entity->id)
+                                        ->withTrashed()
+                                        ->first();
+
+            if (! $invitation && $contact->send_email) {
+                $ii = $this->invitation_factory::create($this->entity->company_id, $this->entity->user_id);
+                $ii->{$this->entity_id} = $this->entity->id;
+                $ii->client_contact_id = $contact->id;
+                $ii->save();
+            } elseif ($invitation && ! $contact->send_email) {
+                $invitation->delete();
+            }
+        });
+
+        return $this->entity;
+    }
+}

app/Services/Recurring/RecurringService.php

@@ -12,6 +12,7 @@
 namespace App\Services\Recurring;
 
 use App\Models\RecurringInvoice;
+use App\Services\Recurring\CreateRecurringInvitations;
 use Illuminate\Support\Carbon;
 
 class RecurringService
@@ -37,6 +38,13 @@ class RecurringService
         return $this;
     }
 
+    public function createInvitations()
+    {
+        $this->recurring_entity = (new CreateRecurringInvitations($this->recurring_entity))->run();
+
+        return $this;
+    }
+
     public function start()
     {
     	//make sure next_send_date is either now or in the future else return.