From ab3094eeb7f36f77f13ff2e169b37e9cbca3dd61 Mon Sep 17 00:00:00 2001
From: Yorick Terweijden <yorick.terweijden@sourcefabric.org>
Date: Mon, 5 May 2014 12:04:49 +0200
Subject: [PATCH] Implements the deletion of SnippetTemplates

---
 .../Snippet/SnippetTemplateRepository.php     | 27 +++++++++++++++----
 .../Entity/Snippet/SnippetTemplate.php        |  4 +--
 .../Controller/SnippetTemplatesController.php | 27 +++++++++++++++++++
 3 files changed, 51 insertions(+), 7 deletions(-)

diff --git a/newscoop/library/Newscoop/Entity/Repository/Snippet/SnippetTemplateRepository.php b/newscoop/library/Newscoop/Entity/Repository/Snippet/SnippetTemplateRepository.php
index e3f3a11c88..3b087845c3 100644
--- a/newscoop/library/Newscoop/Entity/Repository/Snippet/SnippetTemplateRepository.php
+++ b/newscoop/library/Newscoop/Entity/Repository/Snippet/SnippetTemplateRepository.php
@@ -201,11 +201,28 @@ public function getCurrentlyUsed()
         return $queryBuilder->getQuery();
     }
 
-    /**
-     * Flush method
-     */
-    public function flush()
+    public function deleteSnippetTemplate($id, $force = false)
     {
-        $this->getEntityManager()->flush();
+        // check if the SnippetTemplate has any Snippets attached to it.
+        $snippetTemplate = $this->getTemplateById($id, 'all');
+        if (!is_null($snippetTemplate)) {
+            $snippets = $snippetTemplate->getSnippets()->toArray();
+            if (count($snippets) == 0 || $force == true) {
+                $em = $this->getEntityManager();
+                $em->remove($snippetTemplate);
+                $em->flush();
+
+                return true;
+            } else {
+                foreach ($snippets as $snippet) {
+                    $snippetIdArr[$snippet->getId()] = $snippet->getId();
+                }
+                $snippetIds = implode(", ", array_flip($snippetIdArr));
+
+                throw new \Newscoop\Exception\ResourcesConflictException('SnippetTemplate with ID: '.$id.' is in use by Snippets ('.$snippetIds.')');
+            }
+        } else {
+            throw new \Exception('SnippetTemplate with ID: '.$id.' does not exist');
+        }
     }
 }
diff --git a/newscoop/library/Newscoop/Entity/Snippet/SnippetTemplate.php b/newscoop/library/Newscoop/Entity/Snippet/SnippetTemplate.php
index 5edebab513..7a18c8c130 100644
--- a/newscoop/library/Newscoop/Entity/Snippet/SnippetTemplate.php
+++ b/newscoop/library/Newscoop/Entity/Snippet/SnippetTemplate.php
@@ -29,7 +29,7 @@ class SnippetTemplate
     protected $id;
 
     /**
-     * @ORM\OneToMany(targetEntity="Newscoop\Entity\Snippet", mappedBy="template")
+     * @ORM\OneToMany(targetEntity="Newscoop\Entity\Snippet", cascade={"remove"}, mappedBy="template")
      * @var Doctrine\Common\Collections\ArrayCollection
      */
     protected $snippets;
@@ -47,7 +47,7 @@ class SnippetTemplate
     protected $controller;
 
     /**
-     * @ORM\OneToMany(targetEntity="Newscoop\Entity\Snippet\SnippetTemplate\SnippetTemplateField", mappedBy="template", cascade={"persist"}, indexBy="templateFieldName")
+     * @ORM\OneToMany(targetEntity="Newscoop\Entity\Snippet\SnippetTemplate\SnippetTemplateField", mappedBy="template", cascade={"persist", "remove"}, indexBy="templateFieldName")
      * @var Doctrine\Common\Collections\ArrayCollection
      */
     protected $fields;
diff --git a/newscoop/src/Newscoop/GimmeBundle/Controller/SnippetTemplatesController.php b/newscoop/src/Newscoop/GimmeBundle/Controller/SnippetTemplatesController.php
index 68421c3a0f..b8220123c5 100644
--- a/newscoop/src/Newscoop/GimmeBundle/Controller/SnippetTemplatesController.php
+++ b/newscoop/src/Newscoop/GimmeBundle/Controller/SnippetTemplatesController.php
@@ -101,4 +101,31 @@ public function getSingleSnippetTemplateAction(Request $request, $id)
         return $snippetTemplate;
     }
 
+    /**
+     * Delete SnippetTemplate
+     *
+     * @ApiDoc(
+     *     statusCodes={
+     *         204="Returned when SnippetTemplate removed succesfuly",
+     *         404={
+     *           "Returned when the SnippetTemplate is not found",
+     *         },
+     *         409="Returned when SnippetTemplate is used by Articles"
+     *     },
+     *     parameters={
+     *         {"name"="force", "dataType"="boolean", "required"=false, "description"="Force delete"},
+     *     }
+     * )
+     *
+     * @Route("/snippetTemplates/{id}.{_format}", defaults={"_format"="json"})
+     * @Method("DELETE")
+     * @View(statusCode=204)
+     */
+    public function deleteSnippetTemplateAction(Request $request, $id)
+    {
+        $force = $request->query->get('force', false);
+        $em = $this->container->get('em');
+        $articleSnippets = $em->getRepository('Newscoop\Entity\Snippet\SnippetTemplate')
+            ->deleteSnippetTemplate($id, $force);
+    }
 }