added delete button for assignments on assignment details page

README.md

@@ -2,7 +2,13 @@
 A free, open-source learning management system (LMS) build on Django and deployed on Heroku.
 
 ## Dev Notes
-* 6/19/2021 (v.0.1.1): Patch refining existing features:
+* 7/2/2021 (v0.1.2): Minor UI additions patch:
+  * Now use an iframe to display GitHub readme on home pages
+  * Added "report an issue" button to page footer
+  * Added social media sharing buttons to page footer
+  * Now display cumulative grade on student assignments overview
+  * Added delete button for assignments on assignment details page
+* 6/19/2021 (v0.1.1): Patch refining existing features:
   * Used CloudFlare proxy for HTTPS protocol to get website working on secure browsers (still unsafe due to half of protocol being unsecure)
   * Clicking on students on the Students page for teachers now shows a tabular summary of the student assignments.
   * Assignment page for students and teachers has been switched from a simple list of assignment names to a tabular summary of grades and submissions.
@@ -13,22 +19,17 @@ A free, open-source learning management system (LMS) build on Django and deploye
   * Creating assignments as a teacher and grading student submissions.
   * Submitting text submissions to assignments as a student and viewing the grades once available.
 
-## Priority Backlog (Next Patch)
-- [X] Use an iframe to display readme on home pages
-- [X] Add "report an issue" button
-- [X] Add social media sharing buttons
-- [X] Display cumulative grade on student assignments overview
-- [ ] Email notifications for assignment updates
-- [ ] Delete option for assignments
+## Priority Backlog (Next Patch - v0.1.3)
+- [X] "Unsaved changes" confirmation dialogue before leaving form pages
+- [X] Show assignment details on new submission form
+- [X] File attachment uploading for assignments and submissions
 
 ## Backlog
-* "Unsaved changes" confirmation dialogue before leaving form pages
-* Show assignment details on new submission form
-* File uploads for assignments and submissions
+* Email notifications for assignment updates
 * Status tags instead of unread/read formatting for assignments
 * Feature voting
 * Non-assignment pages
-* Actual SSL certification
+* Full SSL certification
 * Switch session course tracking method from cookies to request kwargs
 * Render readme iframe as formatted HTML
 * A breadcrumbs navigation bar

forum/templates/assignmentdetails_teacher.html

@@ -4,12 +4,24 @@
 {% block content %}
 <form action="{% url 'forum:assignmentdetails' assignment.id %}" method="POST">
     {% csrf_token %}
-    <h2>Assignment: <input name="title" type="text" value="{{assignment.title}}"></input></h2>
-    <p><i>
-        <b>Start date: </b><input name="start" type="datetime-local" value="{{assignment.start_datetime|date:'Y-m-d\TH:i'}}"></input><br>
-        <b>End date: </b><input name="end" type="datetime-local" value="{{assignment.end_datetime|date:'Y-m-d\TH:i'}}"></input><br>
-        <b>Total points: </b><input name="points" type="number" value="{{assignment.total_points}}"></input><br>
-    </i></p>
+    <div style="display: flex; flex-direction: row; justify-content: space-between;">
+        <div>
+            <h2>Assignment: <input name="title" type="text" value="{{assignment.title}}"></input></h2>
+            <p><i>
+                <b>Start date: </b><input name="start" type="datetime-local" value="{{assignment.start_datetime|date:'Y-m-d\TH:i'}}"></input><br>
+                <b>End date: </b><input name="end" type="datetime-local" value="{{assignment.end_datetime|date:'Y-m-d\TH:i'}}"></input><br>
+                <b>Total points: </b><input name="points" type="number" value="{{assignment.total_points}}"></input><br>
+            </i></p>
+        </div>
+        <div class="button" onclick="delete_assn()" style="height: fit-content; background-color: #df3838;">Delete assignment</div>
+        <script>
+            function delete_assn() {
+                if (confirm("Are you sure you want to delete this assignment?")) {
+                    location.href = "{% url 'forum:delete_assignment' assignment.id %}";
+                }
+            }
+        </script>
+    </div>
     <p><b><i>Description:</i></b></p>
     <textarea name="description">{{assignment.description}}</textarea>
     <br>

forum/urls.py

@@ -14,5 +14,6 @@
     path('assignments/newassignment', views.newassignment, name='newassignment'),
     path('assignments/<assignment_id>', views.assignmentdetails, name='assignmentdetails'),
     path('assignments/<assignment_id>/submit', views.newsubmission, name='newsubmission'),
+    path('assignments/<assignment_id>/delete', views.delete_assignment, name='delete_assignment'),
     path('assignments/submissions/assignment_id=<assignment_id>/student_id=<student_id>', views.viewsubmission, name='viewsubmission'),
 ]

forum/views.py

@@ -263,4 +263,13 @@ def studentgrades(request, student_id):
         context["student"] = student
         return render(request, "studentgrades.html", context)
     else:
-        return redirect('home')
+        return redirect('home')
+
+def delete_assignment(request, assignment_id):
+    if not request.user.is_authenticated:
+        return redirect('home')
+    course = Course.objects.filter(id=request.session.get('selected_course_id')).first()
+    if (course.owner != request.user):
+        return redirect('home')
+    Assignment.objects.filter(id=assignment_id).delete()
+    return redirect('forum:assignments')