Function getPrograms

src/Data/ProgramData.js:13–103

(isRefresh = false, query = {}, ranking = "cs_rank", {priority = FOREGROUND_PRIORITY} = {})

*/

export async function getPrograms(isRefresh = false, query = {}, ranking = "cs_rank", {priority = FOREGROUND_PRIORITY} = {}) {
    /*
    * Get the list of programs (without description) from the server or local storage
    * @param isRefresh [Boolean]: whether to refresh the data
    * @param query [Object]: {
    *   'u': [String]: university name,
    *   (NO PROGRAM) [Delete] 'p': [String]: program name [Delete],
    *   'd': [String]: degree,
    *   'm': [String]: major,
    *   'r': [String]: region,
    * }
    * @return: list of programs (without description)
    */
    const filters = {
        ...query,
        r: normalizeQueryValues(query.r),
        d: normalizeQueryValues(query.d),
        m: normalizeQueryValues(query.m),
    };
    let programs = await loadCachedValue({
        key: "programs",
        legacyFields: ["data"],
        forceRefresh: isRefresh,
        priority,
        load: async () => {
            const response = await apiJson(PROGRAM_LIST, {
                fetchPriority: priority,
            });
            return response.data;
        },
    });
    if (!programs) {
        return {};
    }
    const univAbbrOrder = univListOrder.reduce((acc, univ) => {
        acc[univ.abbr] = univ[ranking || 'cs_rank'];
        return acc;
    }, {});
    programs = Object.entries(programs).sort(([univ1], [univ2]) => {
        return univAbbrOrder[univ1] - univAbbrOrder[univ2];
    }).reduce((acc, [univ, programs]) => {
        acc[univ] = programs;
        return acc;
    }, {});

    const searchTerm = filters.u?.trim().toLowerCase() ?? '';
    const matchesUniversity = (univ) => (
        searchTerm === '' ||
        univ.abbr.toLowerCase().includes(searchTerm) ||
        univ.fullName.toLowerCase().includes(searchTerm)
    );
    const matchesRegion = (univ) => (
        !filters.r || filters.r.some(region => univ.region.includes(region))
    );
    const emptyUniversityMatches = new Set();
    const searchPrograms = Object.keys(programs).reduce((matchingPrograms, univName) => {
        const fullNameResults = (univAbbrFullNameMapping[univName] ?? '').toLowerCase().includes(searchTerm);
        const abbrResults = univName.toLowerCase().includes(searchTerm);