mirror of https://github.com/quatalog/site.git
48 lines
1.9 KiB
JavaScript
48 lines
1.9 KiB
JavaScript
"use strict";
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const search_helper = async function(event,from_course_page = true) {
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event.preventDefault();
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// "a b cde 12" => "a b cde 12"
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const input = document.getElementById("search").value.split(" ").join(" ");
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var course_code = false;
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if(input.length == 8) {
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// "abcd1345" => ["abcd","1345"]
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course_code = input.match(/.{1,4}/g)
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} else if(input.replace(/ |-/g,"").length == 8) {
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// "abcd - 1345" => ["abcd","1345"]
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const arr = input.split(/(?:-| )+/);
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if(arr.length == 2) course_code = arr;
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}
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// only do this logic if the string might be a course code
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// avoid having to fetch the courses_list if it definitely isn't one
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if(course_code) {
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// ["abcd","1345"] => "ABCD-1345"
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course_code[0] = course_code[0].toUpperCase();
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const code_str = course_code.join("-");
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// check if "ABCD-1345" is a real course code
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const course_exists = await fetch(
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from_course_page ? "../courses_list.json" : "courses_list.json"
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)
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.then(list => list.json())
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.then(list => list.includes(code_str));
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// if it is, redirect to it
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if(course_exists) {
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if(from_course_page) {
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location.href = code_str;
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} else {
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location.href = "courses/" + code_str;
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}
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return;
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}
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}
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if(from_course_page) {
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location.href = "../search?search=" + encodeURIComponent(input);
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} else {
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location.href = "search?search=" + encodeURIComponent(input);
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}
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}
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