From 30758b5c5401477c0efea4219c410bb8989e9805 Mon Sep 17 00:00:00 2001
From: "Ja (Thanakul) Wattanawong" <ja@jwattanawong.com>
Date: Wed, 3 Apr 2019 18:16:28 -0700
Subject: [PATCH 1/2] initial add of button

---
 server/controllers/admin.py                    | 10 ++++++++++
 server/templates/staff/student/assignment.html |  5 ++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/server/controllers/admin.py b/server/controllers/admin.py
index 3eb8e6627..d16051af7 100644
--- a/server/controllers/admin.py
+++ b/server/controllers/admin.py
@@ -184,6 +184,16 @@ def grading_view(backup, form=None, is_composition=False):
                            backup=backup, group=group, files=files, diff_type=diff_type,
                            task=task, form=form, is_composition=is_composition)
 
+@admin.route('/delete_backup/<hashid:bid>', methods=["POST"])
+@is_staff()
+def delete_backup(bid):
+    backup = Backup.query.get(bid)
+    if not backup:
+        abort(404)
+
+    db.session.delete(backup)
+    db.session.commit()
+
 @admin.route('/grading/<hashid:bid>')
 @is_staff()
 def grading(bid):
diff --git a/server/templates/staff/student/assignment.html b/server/templates/staff/student/assignment.html
index d78994ab3..123ec53ad 100644
--- a/server/templates/staff/student/assignment.html
+++ b/server/templates/staff/student/assignment.html
@@ -201,7 +201,7 @@ <h3 class="box-title">Backups/Submissions</h3>
                       <th>Submitter</th>
                       <th>ID</th>
                       <th>Scores</th>
-                      <th>Action</th>
+                      <th>Actions</th>
                       <th>Flag</th>
                     </thead>
                     <tbody>
@@ -231,6 +231,9 @@ <h3 class="box-title">Backups/Submissions</h3>
                               <a href="{{ url_for('.grading', bid=item.id, diff='short') }}" class="btn btn-primary btn-flat">
                                   Grade
                               </a>
+                              <a href="{{ url_for('.delete_backup', bid=item.id, diff='short') }}" class="btn btn-danger btn-flat">
+                                Delete
+                            </a>
                             </div>
                             </td>
                             <td>

From 7d5f92a58c405f56b1edd211cb9748a5c601c885 Mon Sep 17 00:00:00 2001
From: "Ja (Thanakul) Wattanawong" <ja@jwattanawong.com>
Date: Wed, 3 Apr 2019 19:04:09 -0700
Subject: [PATCH 2/2] change to form type

---
 server/templates/staff/student/assignment.html | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/server/templates/staff/student/assignment.html b/server/templates/staff/student/assignment.html
index 123ec53ad..ac91774f0 100644
--- a/server/templates/staff/student/assignment.html
+++ b/server/templates/staff/student/assignment.html
@@ -231,9 +231,11 @@ <h3 class="box-title">Backups/Submissions</h3>
                               <a href="{{ url_for('.grading', bid=item.id, diff='short') }}" class="btn btn-primary btn-flat">
                                   Grade
                               </a>
-                              <a href="{{ url_for('.delete_backup', bid=item.id, diff='short') }}" class="btn btn-danger btn-flat">
-                                Delete
-                            </a>
+                              {% call forms.render_form_bare(csrf_form, action_url=url_for('.delete_backup', bid=item.id), class_='') %}
+                                <button class="btn btn-danger btn-flat"  type="submit" value="remove">
+                                    Delete
+                                </button>
+                              {% endcall %}
                             </div>
                             </td>
                             <td>