Improve controller

.gitmodules

 [submodule "src/backend/public/algorithms"]
 	path = src/backend/public/algorithms
 	url = git@github.com:algorithm-visualizer/algorithms.git
+[submodule "src/backend/public/docs"]
+	path = src/backend/public/docs
+	url = git@github.com:algorithm-visualizer/tracers.wiki.git

src/backend/controllers/wiki.js → src/backend/controllers/docs.js

@@ -5,37 +5,37 @@ import { NotFoundError } from '/common/error';
 
 const router = express.Router();
 
-const getPath = (...args) => path.resolve(__dirname, '..', 'public', 'algorithm-visualizer.wiki', ...args);
+const getPath = (...args) => path.resolve(__dirname, '..', 'public', 'docs', ...args);
 
-const readWikis = () => {
+const readDocs = () => {
   const createKey = name => name.slice(0, -3);
   const list = dirPath => fs.readdirSync(dirPath).filter(filename => /(\.md)$/.test(filename));
-  return list(getPath()).map(wikiName => ({
-    key: createKey(wikiName),
-    name: wikiName,
+  return list(getPath()).map(docName => ({
+    key: createKey(docName),
+    name: docName,
   }));
 };
 
-const wikis = readWikis();
+const docs = readDocs();
 
-const getWikis = (req, res, next) => {
-  res.json({ wikis });
+const getDocs = (req, res, next) => {
+  res.json({ docs: docs });
 };
 
-const getWiki = (req, res, next) => {
-  const { wikiKey } = req.params;
+const getDoc = (req, res, next) => {
+  const { docKey } = req.params;
 
-  const wiki = wikis.find(wiki => wiki.key === wikiKey);
-  if (!wiki) return next(new NotFoundError());
+  const doc = docs.find(doc => doc.key === docKey);
+  if (!doc) return next(new NotFoundError());
 
-  const wikiPath = getPath(wiki.name);
-  res.sendFile(wikiPath);
+  const docPath = getPath(doc.name);
+  res.sendFile(docPath);
 };
 
 router.route('/')
-  .get(getWikis);
+  .get(getDocs);
 
-router.route('/:wikiKey')
-  .get(getWiki);
+router.route('/:docKey')
+  .get(getDoc);
 
 export default router;
\ No newline at end of file

src/backend/controllers/index.js

-import express from 'express';
-import { AuthorizationError, NotFoundError, PermissionError } from '/common/error';
-import auth from './auth';
-import category from './category';
-import compiler from './compiler';
-import wiki from './wiki';
-
-const router = new express.Router();
-
-router.use('/auth', auth);
-router.use('/category', category);
-router.use('/compiler', compiler);
-router.use('/wiki', wiki);
-router.use((req, res, next) => next(new NotFoundError()));
-router.use((err, req, res, next) => {
-  const statusMap = [
-    [AuthorizationError, 401],
-    [PermissionError, 403],
-    [NotFoundError, 404],
-    [Error, 500],
-  ];
-  const [, status] = statusMap.find(([Error]) => err instanceof Error);
-  res.status(status);
-  res.json({
-    status,
-    err,
-  });
-  console.error(err);
-});
-
-export default router;
+export { default as auth } from './auth';
+export { default as categories } from './categories';
+export { default as compilers } from './compilers';
+export { default as docs } from './docs';
\ No newline at end of file

src/backend/index.js

@@ -2,13 +2,30 @@ import express from 'express';
 import morgan from 'morgan';
 import cookieParser from 'cookie-parser';
 import bodyParser from 'body-parser';
-import controllers from '/controllers';
+import * as controllers from '/controllers';
+import { AuthorizationError, NotFoundError, PermissionError } from '/common/error';
 
 const app = express();
 app.use(morgan('tiny'));
 app.use(cookieParser());
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ extended: true }));
-app.use(controllers);
+Object.keys(controllers).forEach(key => app.use(`/${key}`, controllers[key]));
+app.use((req, res, next) => next(new NotFoundError()));
+app.use((err, req, res, next) => {
+  const statusMap = [
+    [AuthorizationError, 401],
+    [PermissionError, 403],
+    [NotFoundError, 404],
+    [Error, 500],
+  ];
+  const [, status] = statusMap.find(([Error]) => err instanceof Error);
+  res.status(status);
+  res.json({
+    status,
+    err,
+  });
+  console.error(err);
+});
 
 export default app;
\ No newline at end of file

docs @ 08dc9b23

+Subproject commit 08dc9b2369dd65a69fa5e3d9eb0e2c268fdb94fd

src/frontend/apis/index.js

@@ -54,13 +54,13 @@ const PATCH = URL => {
 };
 
 const CategoryApi = {
-  getCategories: GET('/category'),
-  getAlgorithm: GET('/category/:categoryKey/:algorithmKey'),
+  getCategories: GET('/categories'),
+  getAlgorithm: GET('/categories/:categoryKey/:algorithmKey'),
 };
 
-const WikiApi = {
-  getWikis: GET('/wiki'),
-  getWiki: GET('/wiki/:wiki'),
+const DocApi = {
+  getDocs: GET('/docs'),
+  getDoc: GET('/docs/:docKey'),
 };
 
 const GitHubApi = {
@@ -77,7 +77,7 @@ let jsWorker = null;
 const CompilerApi = {
   js: code => new Promise((resolve, reject) => {
     if (jsWorker) jsWorker.terminate();
-    jsWorker = new Worker('/api/compiler/js');
+    jsWorker = new Worker('/api/compilers/js');
     jsWorker.onmessage = e => resolve(e.data);
     jsWorker.onerror = reject;
     jsWorker.postMessage(code);
@@ -86,7 +86,7 @@ const CompilerApi = {
 
 export {
   CategoryApi,
-  WikiApi,
+  DocApi,
   GitHubApi,
   CompilerApi,
 };
\ No newline at end of file

src/frontend/components/WikiViewer/index.jsx

 import React from 'react';
-import { WikiApi } from '/apis';
+import { DocApi } from '/apis';
 import { MarkdownViewer } from '/components';
 import { classes } from '/common/util';
 import styles from './stylesheet.scss';
@@ -18,7 +18,7 @@ class WikiViewer extends React.Component {
   }
 
   loadMarkdown(href) {
-    WikiApi.getWiki(href)
+    DocApi.getDoc(href)
       .then(source => this.setState({ source }));
   }