Tweaking actions & models to properly clean up DB after attachment de…

…letion

src/Charcoal/Admin/Action/RemoveJoinAction.php

@@ -15,6 +15,7 @@
 use Charcoal\Loader\CollectionLoader;
 
 // From 'charcoal-attachment'
+use Charcoal\Attachment\Object\Attachment;
 use Charcoal\Attachment\Object\Join;
 
 /**
@@ -72,11 +73,22 @@ public function run(RequestInterface $request, ResponseInterface $response)
             ->addFilter('attachment_id', $attachmentId)
             ->addFilter('group', $group);
 
-        $existing_joins = $loader->load();
+        $existingJoins = $loader->load();
 
         // Should be just one, tho.
-        foreach ($existing_joins as $j) {
-            $j->delete();
+        foreach ($existingJoins as $joinModel) {
+            $joinModel->delete();
+        }
+
+        // Try loading the attachment
+        try {
+            $attachment = $this->modelFactory()->create(Attachment::class)->load($attachmentId);
+            if ($attachment['id'] !== null) {
+                $attachment->delete();
+            }
+        } catch (Exception $error) {
+            $this->setSuccess(false);
+            return $response;
         }
 
         $this->setSuccess(true);

src/Charcoal/Attachment/Object/Attachment.php

@@ -26,7 +26,6 @@
 // From 'charcoal-attachment'
 use Charcoal\Attachment\Interfaces\AttachableInterface;
 use Charcoal\Attachment\Interfaces\AttachmentContainerInterface;
-
 use Charcoal\Attachment\Object\File;
 use Charcoal\Attachment\Object\Image;
 use Charcoal\Attachment\Object\Text;
@@ -923,15 +922,14 @@ public function setPresenter($presenter)
      */
     public function preDelete()
     {
-        $attId = $this->id();
-        $joinProto = $this->modelFactory()->get(Join::class);
-        $loader = $this->collectionLoader();
-        $loader->setModel($joinProto);
-
-        $collection = $loader->addFilter('attachment_id', $attId)->load();
+        $joinCollection = $this->collectionLoader()
+            ->reset()
+            ->setModel(Join::class)
+            ->addFilter('attachment_id', $this['id'])
+            ->load();
 
-        foreach ($collection as $obj) {
-            $obj->delete();
+        foreach ($joinCollection as $joinModel) {
+            $joinModel->delete();
         }
 
         return parent::preDelete();

src/Charcoal/Attachment/Traits/AttachmentAwareTrait.php

@@ -341,6 +341,21 @@ public function removeAttachmentJoins()
         return true;
     }
 
+    /**
+     * Delete the objects associated to the current object.
+     *
+     * @param  array $options Filter the attachments by an option list.
+     * @return boolean
+     */
+    public function deleteAttachments(array $options = [])
+    {
+        foreach ($this->getAttachments($options) as $attachment) {
+            $attachment->delete();
+        }
+
+        return true;
+    }
+
     /**
      * Retrieve the attachment widget.
      *