first commit

Author: lucifer

Diff for: .gitignore

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+
+/node_modules

Diff for: app.js

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+const Koa = require("koa");
+const app = new Koa();
+const cors = require("@koa/cors");
+const views = require("koa-views");
+const json = require("koa-json");
+const onerror = require("koa-onerror");
+const bodyparser = require("koa-bodyparser");
+const logger = require("koa-logger");
+
+const index = require("./routes/index");
+const users = require("./routes/users");
+
+// error handler
+onerror(app);
+
+// middlewares
+app.use(
+  bodyparser({
+    enableTypes: ["json", "form", "text"],
+  })
+);
+app.use(cors());
+app.use(json());
+app.use(logger());
+app.use(require("koa-static")(__dirname + "/public"));
+
+app.use(
+  views(__dirname + "/views", {
+    extension: "pug",
+  })
+);
+
+// logger
+app.use(async (ctx, next) => {
+  const start = new Date();
+  await next();
+  const ms = new Date() - start;
+  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`);
+});
+
+// routes
+app.use(index.routes(), index.allowedMethods());
+app.use(users.routes(), users.allowedMethods());
+
+// error-handling
+app.on("error", (err, ctx) => {
+  console.error("server error", err, ctx);
+});
+
+module.exports = app;

Diff for: bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('demo:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+// app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app.callback());
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

Diff for: package.json

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+{
+  "name": "leetcode-pp-node",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "start": "node bin/www",
+    "dev": "./node_modules/.bin/nodemon bin/www",
+    "prd": "pm2 start bin/www",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": {
+    "@koa/cors": "^3.1.0",
+    "debug": "^4.1.1",
+    "koa": "^2.7.0",
+    "koa-bodyparser": "^4.2.1",
+    "koa-convert": "^1.2.0",
+    "koa-json": "^2.0.2",
+    "koa-logger": "^3.2.0",
+    "koa-onerror": "^4.1.0",
+    "koa-router": "^7.4.0",
+    "koa-static": "^5.0.0",
+    "koa-views": "^6.2.0",
+    "node-fetch": "^2.6.1",
+    "pug": "^2.0.3"
+  },
+  "devDependencies": {
+    "nodemon": "^1.19.1"
+  }
+}

Diff for: public/stylesheets/style.css

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+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

Diff for: routes/index.js

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+const fetch = require("node-fetch");
+const router = require("koa-router")();
+
+const clientId = "c16b80e7b58a5a007157";
+const clientSecret = process.env.secret;
+
+const db = [
+  {
+    login: "azl397985856",
+  },
+];
+
+router.get("/", async (ctx) => {
+  await ctx.render("index", {
+    title: "欢迎来到 91 天学算法~",
+  });
+});
+
+router.get("/api/v1/user", async (ctx) => {
+  const code = ctx.query.code;
+  const { access_token } = await fetch(
+    `https://github.com/login/oauth/access_token?code=${code}&client_id=${clientId}&client_secret=${clientSecret}`,
+    {
+      method: "POST",
+      headers: {
+        Accept: "application/json",
+      },
+    }
+  ).then((res) => res.json());
+
+  const user = await fetch("https://api.github.com/user", {
+    headers: {
+      Accept: "application/json",
+      Authorization: `token ${access_token}`,
+    },
+  }).then((res) => res.json());
+  if (db.find((q) => q.login === login)) {
+    ctx.body = {
+      ...user,
+      pay: true,
+    };
+  } else {
+    ctx.body = {
+      ...user,
+      pay: false,
+    };
+  }
+});
+
+module.exports = router;

Diff for: routes/users.js

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+const router = require('koa-router')()
+
+router.prefix('/users')
+
+router.get('/', function (ctx, next) {
+  ctx.body = 'this is a users response!'
+})
+
+router.get('/bar', function (ctx, next) {
+  ctx.body = 'this is a users/bar response'
+})
+
+module.exports = router

Diff for: views/error.pug

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+extends layout
+
+block content
+  h1= message
+  h2= error.status
+  pre #{error.stack}

Diff for: views/index.pug

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+extends layout
+
+block content
+  h1= title
+  p Welcome to #{title}

Diff for: views/layout.pug

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+doctype html
+html
+  head
+    title= title
+    link(rel='stylesheet', href='/stylesheets/style.css')
+  body
+    block content