disable buttons for large courses on legacy and beta instr dash

set max enrollment for downloads to 200

lms/djangoapps/instructor/views/instructor_dashboard.py

@@ -9,6 +9,7 @@ from mitxmako.shortcuts import render_to_response
 from django.core.urlresolvers import reverse
 from django.utils.html import escape
 from django.http import Http404
+from django.conf import settings
 
 from courseware.access import has_access
 from courseware.courses import get_course_by_id
@@ -45,10 +46,19 @@ def instructor_dashboard_2(request, course_id):
         _section_analytics(course_id),
     ]
 
+    enrollment_count = sections[0]['enrollment_count']
+
+    disable_buttons = False
+    max_enrollment_for_buttons = settings.MITX_FEATURES.get("MAX_ENROLLMENT_INSTR_BUTTONS")
+    if max_enrollment_for_buttons is not None:
+        disable_buttons = enrollment_count > max_enrollment_for_buttons
+
+
     context = {
         'course': course,
         'old_dashboard_url': reverse('instructor_dashboard', kwargs={'course_id': course_id}),
         'sections': sections,
+        'disable_buttons': disable_buttons,
     }
 
     return render_to_response('instructor/instructor_dashboard_2/instructor_dashboard_2.html', context)

lms/djangoapps/instructor/views/legacy.py

@@ -105,12 +105,15 @@ def instructor_dashboard(request, course_id):
     else:
         idash_mode = request.session.get('idash_mode', 'Grades')
 
+    enrollment_number = CourseEnrollment.objects.filter(course_id=course_id, is_active=1).count()
+
     # assemble some course statistics for output to instructor
     def get_course_stats_table():
-        datatable = {'header': ['Statistic', 'Value'],
+        datatable = {
+            'header': ['Statistic', 'Value'],
             'title': _u('Course Statistics At A Glance'),
         }
-        data = [['# Enrolled', CourseEnrollment.objects.filter(course_id=course_id, is_active=1).count()]]
+        data = [['# Enrolled', enrollment_number]]
         data += [['Date', timezone.now().isoformat()]]
         data += compute_course_stats(course).items()
         if request.user.is_staff:
@@ -832,10 +835,17 @@ def instructor_dashboard(request, course_id):
     if not datatable:
         course_stats = get_course_stats_table()
 
+    # disable buttons for large courses
+    disable_buttons = False
+    max_enrollment_for_buttons = settings.MITX_FEATURES.get("MAX_ENROLLMENT_INSTR_BUTTONS")
+    if max_enrollment_for_buttons is not None:
+        disable_buttons = enrollment_number > max_enrollment_for_buttons
+
     #----------------------------------------
     # context for rendering
 
-    context = {'course': course,
+    context = {
+        'course': course,
         'staff_access': True,
         'admin_access': request.user.is_staff,
         'instructor_access': instructor_access,
@@ -860,6 +870,7 @@ def instructor_dashboard(request, course_id):
         'cohorts_ajax_url': reverse('cohorts', kwargs={'course_id': course_id}),
 
         'analytics_results': analytics_results,
+        'disable_buttons': disable_buttons
     }
 
     if settings.MITX_FEATURES.get('ENABLE_INSTRUCTOR_BETA_DASHBOARD'):

lms/envs/common.py

@@ -182,6 +182,10 @@ MITX_FEATURES = {
 
     # Automatically approve student identity verification attempts
     'AUTOMATIC_VERIFY_STUDENT_IDENTITY_FOR_TESTING': False,
+
+    # Disable instructor dash buttons for downloading course data
+    # when enrollment exceeds this number
+    'MAX_ENROLLMENT_INSTR_BUTTONS': 200,
 }
 
 # Used for A/B testing

lms/templates/courseware/instructor_dashboard.html

@@ -150,31 +150,46 @@ function goto( mode)
           <input type='checkbox' name='use_offline_grades' value='${_("yes")}'></font> </p>
     %endif
 
+
+    <hr width="40%" style="align:left">
+    <h2>${_("Grade Downloads")}</h2>
+    % if disable_buttons:
+      <p><font color="red">
+        ${_("Note: some of these buttons are known to time out for larger "
+            "courses. We have temporarily disabled those features for courses "
+            "with more than {max_enrollment} students. We are urgently working on "
+            "fixing this issue. Thank you for your patience as we continue "
+            "working to improve the platform!").format(
+            max_enrollment=settings.MITX_FEATURES['MAX_ENROLLMENT_INSTR_BUTTONS']
+          )}
+      </font></p>
+    % endif
+
     <p>
-    <a href="${reverse('gradebook', kwargs=dict(course_id=course.id))}">${_("Gradebook")}</a>
+    <a href="${reverse('gradebook', kwargs=dict(course_id=course.id))}" class="${'is-disabled' if disable_buttons else ''}">${_("Gradebook")}</a>
     </p>
 
     <p>
-    <a href="${reverse('grade_summary', kwargs=dict(course_id=course.id))}">${_("Grade summary")}</a>
+    <a href="${reverse('grade_summary', kwargs=dict(course_id=course.id))}" class="${'is-disabled' if disable_buttons else ''}">${_("Grade summary")}</a>
     </p>
 
     <p>
-    <input type="submit" name="action" value="Dump list of enrolled students">
+    <input type="submit" name="action" value="Dump list of enrolled students" class="${'is-disabled' if disable_buttons else ''}">
     </p>
 
     <p>
-    <input type="submit" name="action" value="Dump Grades for all students in this course">
-    <input type="submit" name="action" value="Download CSV of all student grades for this course">
+    <input type="submit" name="action" value="Dump Grades for all students in this course" class="${'is-disabled' if disable_buttons else ''}">
+    <input type="submit" name="action" value="Download CSV of all student grades for this course" class="${'is-disabled' if disable_buttons else ''}">
     </p>
 
     <p>
-    <input type="submit" name="action" value="Dump all RAW grades for all students in this course">
-    <input type="submit" name="action" value="Download CSV of all RAW grades">
+    <input type="submit" name="action" value="Dump all RAW grades for all students in this course" class="${'is-disabled' if disable_buttons else ''}">
+    <input type="submit" name="action" value="Download CSV of all RAW grades" class="${'is-disabled' if disable_buttons else ''}">
     </p>
 
     <p>
-    <input type="submit" name="action" value="Download CSV of answer distributions">
-    <input type="submit" name="action" value="Dump description of graded assignments configuration">
+    <input type="submit" name="action" value="Download CSV of answer distributions" class="${'is-disabled' if disable_buttons else ''}">
+    <input type="submit" name="action" value="Dump description of graded assignments configuration" class="${'is-disabled' if disable_buttons else ''}">
     </p>
     <hr width="40%" style="align:left">
 
@@ -369,9 +384,22 @@ function goto( mode)
 %if modeflag.get('Enrollment'):
 
     <hr width="40%" style="align:left">
-    <p>
-    <input type="submit" name="action" value="List enrolled students">
-    <input type="submit" name="action" value="List students who may enroll but may not have yet signed up">
+    <h2>${_("Enrollment Data")}</h2>
+    % if disable_buttons:
+    <p><font color="red">
+        ${_("Note: some of these buttons are known to time out for larger "
+            "courses. We have temporarily disabled those features for courses "
+            "with more than {max_enrollment} students. We are urgently working on "
+            "fixing this issue. Thank you for your patience as we continue "
+            "working to improve the platform!").format(
+            max_enrollment=settings.MITX_FEATURES['MAX_ENROLLMENT_INSTR_BUTTONS']
+          )}
+      </font></p>
+      <br>
+    % endif
+
+    <input type="submit" name="action" value="List enrolled students" class="${'is-disabled' if disable_buttons else ''}">
+    <input type="submit" name="action" value="List students who may enroll but may not have yet signed up" class="${'is-disabled' if disable_buttons else ''}">
     <hr width="40%" style="align:left">
 
   %if settings.MITX_FEATURES.get('REMOTE_GRADEBOOK_URL','') and instructor_access:
@@ -392,7 +420,7 @@ function goto( mode)
     <hr width="40%" style="align:left">
 
   %endif
-
+  <h2>${_("Batch Enrollment")}</h2>
   <p>${_("Enroll or un-enroll one or many students: enter emails, separated by new lines or commas;")}</p>
   <textarea rows="6" cols="70" name="multiple_students"></textarea>
   <p>

lms/templates/instructor/instructor_dashboard_2/data_download.html

 <%! from django.utils.translation import ugettext as _ %>
 <%page args="section_data"/>
 
-<input type="button" name="list-profiles" value="${_("List enrolled students with profile information")}" data-endpoint="${ section_data['get_students_features_url'] }" >
-<input type="button" name="list-profiles" value="CSV" data-csv="true" class="csv" data-endpoint="${ section_data['get_students_features_url'] }" >
+
+<h2>${_("Data Download")}</h2>
+% if disable_buttons:
+	<p><font color="red">
+	    ${_("Note: some of these buttons are known to time out for larger "
+			"courses. We have temporarily disabled those features for courses "
+			"with more than {max_enrollment} students. We are urgently working on "
+			"fixing this issue. Thank you for your patience as we continue "
+			"working to improve the platform!").format(
+	        max_enrollment=settings.MITX_FEATURES['MAX_ENROLLMENT_INSTR_BUTTONS']
+	      )}
+	</font></p>
+	<br>
+% endif
+
+<input type="button" name="list-profiles" value="${_("List enrolled students with profile information")}" data-endpoint="${ section_data['get_students_features_url'] }" class="${'is-disabled' if disable_buttons else ''}">
+<input type="button" name="list-profiles" value="CSV" data-csv="true" class="csv ${'is-disabled' if disable_buttons else ''}" data-endpoint="${ section_data['get_students_features_url'] }" >
 <br>
 ## <input type="button" name="list-grades" value="Student grades">
 ## <input type="button" name="list-profiles" value="CSV" data-csv="true" class="csv">
@@ -10,8 +25,7 @@
 ## <input type="button" name="list-answer-distributions" value="Answer distributions (x students got y points)">
 ## <br>
 <input type="button" name="dump-gradeconf" value="${_("Grading Configuration")}" data-endpoint="${ section_data['get_grading_config_url'] }">
-<input type="button" name="list-anon-ids" value="${_("Get Student Anonymized IDs CSV")}" data-csv="true" class="csv" data-endpoint="${ section_data['get_anon_ids_url'] }">
-
+<input type="button" name="list-anon-ids" value="${_("Get Student Anonymized IDs CSV")}" data-csv="true" class="csv" data-endpoint="${ section_data['get_anon_ids_url'] }" class="${'is-disabled' if disable_buttons else ''}">
 
 <div class="data-display">
   <div class="data-display-text"></div>

lms/templates/instructor/instructor_dashboard_2/student_admin.html

@@ -79,7 +79,7 @@
 
 %if settings.MITX_FEATURES.get('ENABLE_INSTRUCTOR_BACKGROUND_TASKS') and section_data['access']['instructor']:
   <div class="course-specific-container action-type-container">
-    <H2>${_('Course-specific grade adjustment')}</h2>
+    <h2>${_('Course-specific grade adjustment')}</h2>
     <div class="request-response-error"></div>
 
     <p>