Add endpoint to reset students' start date for timed exams

.gitignore

@@ -58,4 +58,4 @@ __pycache__/
 # Spyder project settings
 .spyderproject
 
-.idea/
+.idea//tmp/

controllers/endpoints/courses.py

@@ -1077,6 +1077,38 @@ def modify_time():
         new_limits.append({"assignment": assignment.encode_json(), "time_limit": shown_amount})
     return ajax_success({'new_limits': new_limits})
 
+@courses.route('/reset_start_date', methods=['POST'])
+@courses.route('/reset_start_date/', methods=['POST'])
+@login_required
+def reset_start_date():
+    course_id = get_course_id(False)
+    user, user_id = get_user()
+    student_id = maybe_int(request.values.get("student_id", ""))
+    assignment_ids = request.values.get("assignment_ids", "")
+    # Check permissions
+    require_course_instructor(g.user, course_id)
+    # Load Resources
+    course = Course.by_id(course_id)
+    student = User.by_id(student_id)
+    check_resource_exists(student, "User", student_id)
+    check_resource_exists(course, "Course", course_id)
+    # Reset the date_started for the assignments of this user
+    reset_assignments = []
+    for assignment_id in assignment_ids.split(","):
+        assignment_id = maybe_int(assignment_id)
+        if assignment_id is None:
+            continue
+        assignment = Assignment.by_id(assignment_id)
+        submission = assignment.load_or_new_submission(student_id, course_id)
+        # Reset the start date
+        old_date = submission.date_started
+        submission.edit(dict(date_started=None))
+        make_log_entry(submission.id, submission.version, assignment_id, assignment.version,
+                       course_id, student_id, SubmissionLogEvent.RESET_START_DATE,
+                       message=f"User {user_id} reset start date from `{old_date}`")
+        reset_assignments.append({"assignment": assignment.encode_json(), "old_date": str(old_date) if old_date else None})
+    return ajax_success({'reset_assignments': reset_assignments})
+
 @courses.route('/manage_time', methods=['GET', 'POST'])
 @courses.route('/manage_time/', methods=['GET', 'POST'])
 @login_required

models/enums/logs.py

@@ -48,4 +48,5 @@ class SubmissionLogEvent(StrEnum):
     TRANSFER = "transfer"
     CANVAS = "canvas"
     EXTEND_TIME = "extend_time"
-    START_TIMER = "start_timer"
+    START_TIMER = "start_timer"
+    RESET_START_DATE = "reset_start_date"

templates/courses/manage_time.html

@@ -43,6 +43,35 @@
     );
 }
 
+function resetStartDate(studentId, resultTarget) {
+    var selected = $("#assignment-select").val().join(",");
+    if (selected === null || selected.length === 0) {
+        alert("Please select at least one assignment to update.");
+        return;
+    }
+    if (!confirm("Are you sure you want to reset the start date for this student? This will allow them to restart the exam timer.")) {
+        return;
+    }
+    $.post(
+        {{ url_for('courses.reset_start_date')|tojson}},
+        {
+            assignment_ids: selected,
+            student_id: studentId,
+            course_id: {{ course_id }}
+        },
+        function(data) {
+            if (data.success) {
+                const message = data.reset_assignments.map(
+                    update => `${update.assignment.name}: Start date reset`
+                ).join(", ");
+                $("#"+resultTarget).html(message + "<br><em>Student can now restart the timer.</em>");
+            } else {
+                alert("Error: " + data.message);
+            }
+        },
+    );
+}
+
 function MainModel() {
     var self = this;
 }
@@ -154,6 +183,11 @@ <h1>Manage Exam Time for Users</h1>
                     onclick="modifyTimeLimit({{ user.id }},'', 'time-limit-report-{{ user.id }}')">
                         Unset (use default time)
                     </button>
+                    <br><br>
+                    <button class="btn btn-sm btn-outline-warning" id="reset-start-date-{{ user.id }}"
+                    onclick="resetStartDate({{ user.id }}, 'time-limit-report-{{ user.id }}')">
+                        Reset Start Date
+                    </button>
 {#                    <span class="ml-4">#}
 {#                        <input type="text" id="custom-set-time-amount">#}
 {#                        <button class="btn btn-sm btn-outline-secondary" #}