✨ Implement runGetScript, getSubjectList, getSubject

Author: OozyGrub

src/index.ts

@@ -1,10 +1,12 @@
-import { Faculty, FacultyMap, Subject } from "./types";
+import { Faculty, FacultyMap, Subject, SubjectMap } from "./types";
 import f from "./faculties.json";
+import s from "./subjects.json";
 import axios from "axios";
 import iconv from "iconv-lite";
-const fs = require("fs");
+import fs from "fs";
 
 const faculties = f as FacultyMap;
+const subjects = s as SubjectMap;
 
 export const getFacultyList = (): Faculty[] => {
   return Object.entries(faculties).map(([code, { name_en, name_th }]) => ({
@@ -20,19 +22,41 @@ export const getFaculty = (code: string): Faculty | undefined => {
   return { code, ...res };
 };
 
-export const getSubjectList = async (
-  facultyCode: string,
-): Promise<Subject[] | undefined> => {
+export const getSubjectList = (): Subject[] => {
+  return Object.entries(subjects).map(
+    ([
+      code,
+      { abbr, facultyCode, name, isClosed, openSemester, closeSemester },
+    ]) => ({
+      code,
+      abbr,
+      facultyCode,
+      name,
+      isClosed,
+      openSemester,
+      closeSemester,
+    }),
+  );
+};
+
+export const getSubject = (code: string): Subject | undefined => {
+  if (!(code in subjects)) return;
+  const res = subjects[code];
+  return { code, ...res };
+};
+
+export const runGetSubject = async (): Promise<Subject[] | undefined> => {
   const facultyList = getFacultyList();
   const noSubjectFacultyCodeList = ["56", "58", "99", "01"];
   const filteredFacultyList = facultyList.filter((f) => {
     return !noSubjectFacultyCodeList.includes(f.code);
   });
-  let results: any[] = [];
-  for (const fc of filteredFacultyList) {
+  let results;
+  const subjectData: SubjectMap = {};
+  for (const f of filteredFacultyList) {
     try {
       const response = await axios.get(
-        `https://www.reg.chula.ac.th/document/courseName${fc.code}.txt`,
+        `https://www.reg.chula.ac.th/document/courseName${f.code}.txt`,
         {
           responseType: "arraybuffer",
           transformResponse: [
@@ -42,31 +66,29 @@ export const getSubjectList = async (
           ],
         },
       );
-      const regex = /(\d+)\s+(\d+)\s+((?:\S+\s)+)\s+(\d\/\d+)(?:\s+)?(\d\/\d+)?\n(?:\s+)?([^\n]*)?\n(?:\s+)?([^\n]*)\n/g;
+      const regex = /(\d+)\s+(\d+)\s+((?:\S+\s)+)\s+(\d\/\d+)(?:\s+)?(\d\/\d+)?\n(?:\ +)?([^\n]+)?\n(?:\ +)?([^\n]+)?\n/g;
       const regexResults: RegExpMatchArray | null = response.data.match(regex);
-      if (regexResults === null) throw new Error("NULL");
-      const subjectList = regexResults.map<Subject>((s) => {
+      if (regexResults === null) throw new Error("regexResult is null");
+      regexResults.forEach((s) => {
         const subject = s.split(regex);
-        return {
-          code: subject[2],
-          facultyCode: fc.code,
-          abbr: subject[7],
+        subjectData[subject[2]] = {
+          facultyCode: f.code,
+          abbr: subject[3].trim(),
           name: {
-            en: subject[3].trim(),
-            th: subject[6].trim(),
+            en: subject[7],
+            th: subject[6],
           },
           isClosed: subject[5] !== undefined,
           openSemester: subject[4],
           closeSemester: subject[5],
         };
       });
-      results = results.concat(subjectList);
     } catch (e) {
       throw e;
     }
   }
-  const jsonData = JSON.stringify(results);
-  fs.writeFile(`subjects.json`, jsonData, function (err: any) {
+  const jsonData = JSON.stringify(subjectData);
+  await fs.writeFile(`subjects.json`, jsonData, function (err: any) {
     if (err) {
       console.log(err);
     }