From de7c73e5d09e51bed3664cc103824fc49aaab874 Mon Sep 17 00:00:00 2001
From: 3eef8a28f26fb2bcc514e6f1938929a1f931762
 <116031952+3eef8a28f26fb2bcc514e6f1938929a1f931762@users.noreply.github.com>
Date: Fri, 10 Feb 2023 21:10:08 -0500
Subject: [PATCH] Continue working on search

---
 js/search_helper.js | 47 +++++++++++++++++++++++++++++++--------------
 1 file changed, 33 insertions(+), 14 deletions(-)

diff --git a/js/search_helper.js b/js/search_helper.js
index e26ee3e3d..5f1f642cd 100644
--- a/js/search_helper.js
+++ b/js/search_helper.js
@@ -1,16 +1,35 @@
-const search_helper = function() {
-        const input = document.getElementById("search").value;
+"use strict";
+const search_helper = function(event) {
+        event.preventDefault();
+        // "a     b   cde 12" => "a b cde 12"
+        const input = document.getElementById("search").value.split(" ").join(" ");
         console.log(input);
-/*
-        const courseCodeInput = elem.value.replace(" ", "").replace("-", "");
-        const subCode = courseCodeInput.substring(0,4).toUpperCase();
-        const courseNum = courseCodeInput.substring(courseCodeInput.length-4,courseCodeInput.length);
-        if(`${subCode}-${courseNum}` in catalog){
-            // course exists
-            window.location.href = "./coursedisplay.html?course="+subCode+"-"+courseNum;
-        } else {
-            // course doesn't exist
-            window.location.href = "./search.html?search="+encodeURIComponent(elem.value);
-            showSearchResults();
-        }*/
+
+        var course_code = false;
+        if(input.length == 8) {
+                // "abcd1345" => ["abcd","1345"] 
+                course_code = input.match(/.{1,3}/g)
+        } else if(input.length == 9) {
+                // "abcd - 1345" => ["abcd","1345"]
+                course_code = input.split(/(?:,| )+/);
+        }
+        // only do this logic if the string might be a course code
+        if(course_code) {
+                // ["abcd","1345"] => "ABCD-1345"
+                course_code[0] = course_code[0].toUpperCase();
+                const code_str = course_code.join("-");
+
+                // check if "ABCD-1345" is a real course code
+                const course_exists = fetch("../courses_list.json")
+                        .then(list => list.json())
+                        .then(list => code_str in list);
+                
+                // if it is, redirect to it
+                if(course_exists) {
+                        location.href = code_str;
+                        return;
+                }
+        }
+
+        location.href = "../search?search=" + encodeURIComponent(input);
 }