disable buttons prototype for legacy and beta instr dash

CHANGELOG.rst

@@ -5,6 +5,7 @@ These are notable changes in edx-platform.  This is a rolling list of changes,
 in roughly chronological order, most recent first.  Add your entries at or near
 the top.  Include a label indicating the component affected.
 
+LMS: Disable data download buttons on the instructor dashboard for large courses
 
 LMS: Refactor and clean student dashboard templates.
 

lms/djangoapps/instructor/views/instructor_dashboard.py

@@ -9,6 +9,7 @@
 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'],
-                     'title': _u('Course Statistics At A Glance'),
-                     }
-        data = [['# Enrolled', CourseEnrollment.objects.filter(course_id=course_id, is_active=1).count()]]
+        datatable = {
+            'header': ['Statistic', 'Value'],
+            'title': _u('Course Statistics At A Glance'),
+        }
+        data = [['# Enrolled', enrollment_number]]
         data += [['Date', timezone.now().isoformat()]]
         data += compute_course_stats(course).items()
         if request.user.is_staff:
@@ -832,35 +835,43 @@ def get_analytics_result(analytics_name):
     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,
-               'staff_access': True,
-               'admin_access': request.user.is_staff,
-               'instructor_access': instructor_access,
-               'forum_admin_access': forum_admin_access,
-               'datatable': datatable,
-               'course_stats': course_stats,
-               'msg': msg,
-               'modeflag': {idash_mode: 'selectedmode'},
-               'studio_url': studio_url,
-
-               'to_option': email_to_option,      # email
-               'subject': email_subject,          # email
-               'editor': email_editor,            # email
-               'email_msg': email_msg,            # email
-               'show_email_tab': show_email_tab,  # email
-
-               'problems': problems,		# psychometrics
-               'plots': plots,			# psychometrics
-               'course_errors': modulestore().get_item_errors(course.location),
-               'instructor_tasks': instructor_tasks,
-               'offline_grade_log': offline_grades_available(course_id),
-               'cohorts_ajax_url': reverse('cohorts', kwargs={'course_id': course_id}),
-
-               'analytics_results': analytics_results,
-               }
+    context = {
+        'course': course,
+        'staff_access': True,
+        'admin_access': request.user.is_staff,
+        'instructor_access': instructor_access,
+        'forum_admin_access': forum_admin_access,
+        'datatable': datatable,
+        'course_stats': course_stats,
+        'msg': msg,
+        'modeflag': {idash_mode: 'selectedmode'},
+        'studio_url': studio_url,
+
+        'to_option': email_to_option,      # email
+        'subject': email_subject,          # email
+        'editor': email_editor,            # email
+        'email_msg': email_msg,            # email
+        'show_email_tab': show_email_tab,  # email
+
+        'problems': problems,		# psychometrics
+        'plots': plots,			# psychometrics
+        'course_errors': modulestore().get_item_errors(course.location),
+        'instructor_tasks': instructor_tasks,
+        'offline_grade_log': offline_grades_available(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'):
         context['beta_dashboard_url'] = reverse('instructor_dashboard_2', kwargs={'course_id': course_id})

lms/envs/common.py

@@ -182,6 +182,10 @@
 
     # 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/static/sass/base/_variables.scss

@@ -219,6 +219,11 @@ $action-secondary-disabled-fg: $white;
 $header-graphic-super-color: $m-blue-d1;
 $header-graphic-sub-color: $m-gray-d2;
 
+// State-based colors
+$error-color: $error-red;
+$warning-color: $m-pink;
+$confirm-color: $m-green;
+
 // ====================
 
 // MISC: visual horizontal rules

lms/static/sass/course/instructor/_instructor.scss

@@ -40,6 +40,8 @@
     }
   }
 
+  // ====================
+
   // system feedback - messages
   .msg {
     border-radius: 1px;
@@ -51,15 +53,51 @@
     }
   }
 
+  // TYPE: warning
+  .msg-warning {
+    border-top: 2px solid $warning-color;
+    background: tint($warning-color,95%);
+
+    .copy {
+      color: $warning-color;
+    }
+  }
+
+  // TYPE: confirm
   .msg-confirm {
-    border-top: 2px solid green;
-    background: tint(green,90%);
+    border-top: 2px solid $confirm-color;
+    background: tint($confirm-color,95%);
+
+    .copy {
+      color: $confirm-color;
+    }
+  }
+
+  // TYPE: confirm
+  .msg-error {
+    border-top: 2px solid $error-color;
+    background: tint($error-color,95%);
 
     .copy {
-      color: green;
+      color: $error-color;
     }
   }
 
+  // ====================
+
+  // inline copy
+  .copy-confirm {
+    color: $confirm-color;
+  }
+
+  .copy-warning {
+    color: $warning-color;
+  }
+
+  .copy-error {
+    color: $error-color;
+  }
+
   .list-advice {
     list-style: none;
     padding: 0;

lms/static/sass/course/instructor/_instructor_2.scss

@@ -18,6 +18,77 @@
     right: 15px;
     font-size: 11pt;
   }
+
+  // system feedback - messages
+  .msg {
+    border-radius: 1px;
+    padding: 10px 15px;
+    margin-bottom: 20px;
+
+    .copy {
+      font-weight: 600;
+    }
+  }
+
+  // TYPE: warning
+  .msg-warning {
+    border-top: 2px solid $warning-color;
+    background: tint($warning-color,95%);
+
+    .copy {
+      color: $warning-color;
+    }
+  }
+
+  // TYPE: confirm
+  .msg-confirm {
+    border-top: 2px solid $confirm-color;
+    background: tint($confirm-color,95%);
+
+    .copy {
+      color: $confirm-color;
+    }
+  }
+
+  // TYPE: confirm
+  .msg-error {
+    border-top: 2px solid $error-color;
+    background: tint($error-color,95%);
+
+    .copy {
+      color: $error-color;
+    }
+  }
+
+  // ====================
+
+  // inline copy
+  .copy-confirm {
+    color: $confirm-color;
+  }
+
+  .copy-warning {
+    color: $warning-color;
+  }
+
+  .copy-error {
+    color: $error-color;
+  }
+
+  .list-advice {
+    list-style: none;
+    padding: 0;
+    margin: 20px 0;
+
+    .item {
+      font-weight: 600;
+      margin-bottom: 10px;
+
+      &:last-child {
+        margin-bottom: 0;
+      }
+    }
+  }
 }
 
 section.instructor-dashboard-content-2 {