feat(search): add grading basis filter to module list (#3666)

* Add grading basis to scraper ModuleInformation

* Add grading basis filter to ModuleFinderSidebar

* Add grading basis to ModuleInformation in frontend for consistency

* Add grading basis to module info collation

* Reorder filters

Author: chew01

scrapers/nus-v2/src/tasks/CollateModules.ts

@@ -153,6 +153,7 @@ const getModuleInfo = ({
   corequisite,
   semesterData,
   attributes,
+  gradingBasisDescription,
 }: ModuleWithoutTree): ModuleInformation => ({
   moduleCode,
   title,
@@ -165,6 +166,7 @@ const getModuleInfo = ({
   preclusion,
   corequisite,
   attributes,
+  gradingBasisDescription,
   semesterData: semesterData.map(({ semester, examDate, examDuration, covidZones }) => ({
     semester,
     examDate,

scrapers/nus-v2/src/types/modules.ts

@@ -166,6 +166,7 @@ export type ModuleInformation = Readonly<{
   faculty: Faculty;
   workload?: Workload;
   attributes?: NUSModuleAttributes;
+  gradingBasisDescription?: string;
 
   // Requsites
   prerequisite?: string;

website/src/types/modules.ts

@@ -170,6 +170,7 @@ export type ModuleInformation = Readonly<{
   workload?: Workload;
   aliases?: ModuleCode[];
   attributes?: NUSModuleAttributes;
+  gradingBasisDescription?: string;
 
   // Requsites
   prerequisite?: string;

website/src/views/modules/ModuleFinderSidebar.tsx

@@ -191,6 +191,17 @@ const ModuleFinderSidebar: React.FC = () => {
           translations={{ placeholder: 'Add departments filter...' }}
         />
 
+        <RefinementListFilter
+          id="grading"
+          title="Grading Basis"
+          field="gradingBasisDescription.keyword"
+          operator="OR"
+          orderKey="_term"
+          orderDirection="asc"
+          containerComponent={FilterContainer}
+          itemComponent={CheckboxItem}
+        />
+
         <RefinementListFilter
           id="attrs"
           title="Others"