From 936baf19a58024eb6f825845e49eaea023ef19ca Mon Sep 17 00:00:00 2001
From: Tobias Werth <werth@cs.fau.de>
Date: Mon, 18 Apr 2022 13:43:54 +0200
Subject: [PATCH] Allow deletion of individual files in executable.

Part of #1526.
---
 .../Controller/Jury/ExecutableController.php  | 25 +++++++++++++++++++
 .../jury/executable_edit_content.html.twig    |  6 +++++
 2 files changed, 31 insertions(+)

diff --git a/webapp/src/Controller/Jury/ExecutableController.php b/webapp/src/Controller/Jury/ExecutableController.php
index 6fe8608d105..923eca00a0c 100644
--- a/webapp/src/Controller/Jury/ExecutableController.php
+++ b/webapp/src/Controller/Jury/ExecutableController.php
@@ -225,6 +225,31 @@ public function downloadAction(string $execId): Response
         return Utils::streamAsBinaryFile($zipFileContent, $filename, 'zip');
     }
 
+    /**
+     * @Route("/{execId}/delete/{rank}", name="jury_executable_delete_single")
+     * @IsGranted("ROLE_ADMIN")
+     */
+    public function deleteSingleAction(string $execId, int $rank): Response
+    {
+        /** @var Executable $executable */
+        $executable = $this->em->getRepository(Executable::class)->find($execId);
+        if (!$executable) {
+            throw new NotFoundHttpException(sprintf('Executable with ID %s not found.', $execId));
+        }
+
+        /** @var ExecutableFile[] $files */
+        $files = array_values($executable->getImmutableExecutable()->getFiles()->toArray());
+        foreach ($files as $file) {
+            if ($file->getRank() == $rank) {
+                $this->em->remove($file);
+                $this->em->flush();
+                return $this->redirectToRoute('jury_executable_edit_files', ['execId' => $execId]);
+            }
+        }
+
+        throw new NotFoundHttpException(sprintf('No file with rank %d found.', $rank));
+    }
+
     /**
      * @Route("/{execId}/download/{rank}", name="jury_executable_download_single")
      */
diff --git a/webapp/templates/jury/executable_edit_content.html.twig b/webapp/templates/jury/executable_edit_content.html.twig
index 352851914c3..c0d70714764 100644
--- a/webapp/templates/jury/executable_edit_content.html.twig
+++ b/webapp/templates/jury/executable_edit_content.html.twig
@@ -33,6 +33,12 @@
                        href="{{ path('jury_executable_download_single', {execId: executable.execid, rank: ranks[idx]}) }}">
                         <i class="fas fa-download"></i> Download
                     </a>
+                    {% if is_granted('ROLE_ADMIN') %}
+                        <a class="btn btn-secondary btn-sm"
+                           href="{{ path('jury_executable_delete_single', {execId: executable.execid, rank: ranks[idx]}) }}">
+                            <i class="fas fa-trash"></i> Delete
+                        </a>
+                    {% endif %}
                 </div>
 
                 {{ files[idx] | codeEditor(idx, null, true, 'form_source' ~ idx, aceFilenames[idx]) }}