Added search by Section ID

app/src/constants/frontend.ts

@@ -16,6 +16,7 @@ const SearchByStringExampleMap = new Map([
     ["course-code", "MAS3114"],
     ["course-title", "Linear Algebra"],
     ["instructor", "Huang"],
+    ["class-num", "14240"]
 ]);
 
 export function getSearchByStringExample(searchByStr: string): string {

app/src/constants/soc.ts

@@ -65,18 +65,21 @@ export enum SearchBy {
     COURSE_CODE = "Course Code",
     COURSE_TITLE = "Course Title",
     INSTRUCTOR = "Instructor",
+    SECTION_ID = "Section ID",
 }
 
 export const SearchBys = [
     SearchBy.COURSE_CODE,
     SearchBy.COURSE_TITLE,
     SearchBy.INSTRUCTOR,
+    SearchBy.SECTION_ID,
 ];
 
 const SearchByStringMap = new Map([
     ["course-code", SearchBy.COURSE_CODE],
     ["course-title", SearchBy.COURSE_TITLE],
     ["instructor", SearchBy.INSTRUCTOR],
+    ["class-num", SearchBy.SECTION_ID],
 ]);
 
 export function getSearchBy(searchByStr: string): SearchBy {

app/src/scripts/soc/soc.tsx

@@ -139,6 +139,12 @@ export abstract class SOC_Generic {
                     ),
                 ),
             );
+        } else if (searchBy === SearchBy.SECTION_ID) {
+            return this.courses.filter((c) =>
+                c.sections.some((s) =>
+                    s.number.toString().includes(phrase),
+                ),
+            );
         }
         throw new Error("Unhandled SearchBy.");
     }