feat: default grade designations configurable from settings

cms/djangoapps/contentstore/views/course.py

@@ -1327,6 +1327,7 @@ def grading_handler(request, course_key_string, grader_index=None):
                 'grading_url': reverse_course_url('grading_handler', course_key),
                 'is_credit_course': is_credit_course(course_key),
                 'mfe_proctored_exam_settings_url': get_proctored_exam_settings_url(course_module.id),
+                'default_grade_designations': settings.DEFAULT_GRADE_DESIGNATIONS
             })
         elif 'application/json' in request.META.get('HTTP_ACCEPT', ''):
             if request.method == 'GET':

cms/envs/common.py

@@ -2327,6 +2327,14 @@
 # Rate limit for regrading tasks that a grading policy change can kick off
 POLICY_CHANGE_TASK_RATE_LIMIT = '300/h'
 
+# .. setting_name: DEFAULT_GRADE_DESIGNATIONS
+# .. setting_default: ['A', 'B', 'C', 'D']
+# .. setting_description: The default 'pass' grade cutoff designations to be used. The failure grade
+#     is always 'F' and should not be included in this list.
+# .. setting_warning: The DEFAULT_GRADE_DESIGNATIONS list must have more than one designation,
+#     or else ['A', 'B', 'C', 'D'] will be used as the default grade designations.
+DEFAULT_GRADE_DESIGNATIONS = ['A', 'B', 'C', 'D']
+
 ############## Settings for CourseGraph ############################
 
 # .. setting_name: COURSEGRAPH_JOB_QUEUE

cms/static/js/factories/settings_graders.js

@@ -2,7 +2,7 @@ define([
     'jquery', 'js/views/settings/grading', 'js/models/settings/course_grading_policy'
 ], function($, GradingView, CourseGradingPolicyModel) {
     'use strict';
-    return function(courseDetails, gradingUrl) {
+    return function(courseDetails, gradingUrl, gradeDesignations) {
         var model, editor;
 
         $('form :input')
@@ -17,7 +17,8 @@ define([
         model.urlRoot = gradingUrl;
         editor = new GradingView({
             el: $('.settings-grading'),
-            model: model
+            model: model,
+            gradeDesignations: gradeDesignations
         });
         editor.render();
     };

cms/static/js/views/settings/grading.js

@@ -24,7 +24,7 @@ define(['js/views/validation',
                 'focus :input': 'inputFocus',
                 'blur :input': 'inputUnfocus'
             },
-            initialize: function() {
+            initialize: function(options) {
         //  load template for grading view
                 var self = this;
                 this.template = HtmlUtils.template(
@@ -34,6 +34,7 @@ define(['js/views/validation',
             $('#course_grade_cutoff-tpl').text()
         );
                 this.setupCutoffs();
+                this.setupGradeDesignations(options.gradeDesignations);
 
                 this.listenTo(this.model, 'invalid', this.handleValidationError);
                 this.listenTo(this.model, 'change', this.showNotificationBar);
@@ -297,7 +298,7 @@ define(['js/views/validation',
             addNewGrade: function(e) {
                 e.preventDefault();
                 var gradeLength = this.descendingCutoffs.length; // cutoffs doesn't include fail/f so this is only the passing grades
-                if (gradeLength > 3) {
+                if (gradeLength > this.GRADES.length - 1) {
             // TODO shouldn't we disable the button
                     return;
                 }
@@ -377,6 +378,9 @@ define(['js/views/validation',
                 this.descendingCutoffs = _.sortBy(this.descendingCutoffs,
                                           function(gradeEle) { return -gradeEle.cutoff; });
             },
+            setupGradeDesignations: function(gradeDesignations) {
+                if (Array.isArray(gradeDesignations) && gradeDesignations.length > 1) { this.GRADES = gradeDesignations; }
+            },
             revertView: function() {
                 var self = this;
                 this.model.fetch({

cms/static/sass/views/_settings.scss

@@ -777,23 +777,23 @@
                 height: 17px;
               }
 
-              &:nth-child(1) {
+              &:nth-child(5n+1) {
                 background: #4fe696;
               }
 
-              &:nth-child(2) {
+              &:nth-child(5n+2) {
                 background: #ffdf7e;
               }
 
-              &:nth-child(3) {
+              &:nth-child(5n+3) {
                 background: #ffb657;
               }
 
-              &:nth-child(4) {
+              &:nth-child(5n+4) {
                 background: #ef54a1;
               }
 
-              &:nth-child(5),
+              &:nth-child(5n+5),
               &.bar-fail {
                 background: #fb336c;
               }

cms/templates/settings_graders.html

@@ -34,7 +34,8 @@
         SettingsGradersFactory(
             _.extend(${dump_js_escaped_json(course_details, cls=CourseSettingsEncoder) | n, decode.utf8},
                 {is_credit_course: ${is_credit_course | n, dump_js_escaped_json}}),
-            "${grading_url | n, js_escaped_string}"
+            "${grading_url | n, js_escaped_string}",
+            ${default_grade_designations | n, dump_js_escaped_json},
         );
     });
 </%block>