fix: 🐛 reduce courses without sections for restriction code filtering

apps/api/src/routes/v1/rest/websoc/+endpoint.ts

@@ -1,6 +1,7 @@
 import { PrismaClient } from "@libs/db";
 import { createHandler } from "@libs/lambda";
 import type { WebsocAPIResponse } from "@libs/uc-irvine-lib/websoc";
+import type { WebsocCourse } from "@libs/uc-irvine-lib/websoc";
 import { notNull } from "@libs/utils";
 import { combineAndNormalizeResponses, sortResponse } from "@libs/websoc-utils";
 import type { z } from "zod";
@@ -125,20 +126,27 @@ export const GET = createHandler(async (event, context, res) => {
 }, onWarm);
 
 function filterResults(query: z.infer<typeof QuerySchema>, websocResults: WebsocAPIResponse) {
+ if (!query.excludeRestrictionCodes) {
+ return websocResults;
+ }
+
  const excludeRestrictions = query.excludeRestrictionCodes ?? [];
 
  if (excludeRestrictions.length) {
  return websocResults.schools.map((school) => {
  const filteredDepartments = school.departments.map((department) => {
- const filteredCourses = department.courses.map((course) => {
+ const filteredCourses = department.courses.reduce((acc: WebsocCourse[], course) => {
  const filteredSections = course.sections.filter(
  (section) =>
  !section.restrictions
  .split(/ and | or /)
  .some((code: string) => excludeRestrictions.includes(code)),
  );
- return { ...course, sections: filteredSections };
- });
+ if (filteredSections.length > 0) {
+ acc.push({ ...course, sections: filteredSections });
+ }
+ return acc;
+ }, []);
  return { ...department, courses: filteredCourses };
  });
  return { ...school, departments: filteredDepartments };