add rest-hello project

michaelliao · michaelliao · commit 2ec21e79fc03 · 2016-09-11T19:02:04.000+08:00
diff --git a/samples/node/web/rest/rest-hello/.vscode/launch.json b/samples/node/web/rest/rest-hello/.vscode/launch.json
@@ -0,0 +1,25 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Start",
+            "type": "node",
+            "request": "launch",
+            "program": "${workspaceRoot}/start.js",
+            "stopOnEntry": false,
+            "args": [],
+            "cwd": "${workspaceRoot}",
+            "preLaunchTask": null,
+            "runtimeExecutable": null,
+            "runtimeArgs": [
+                "--nolazy"
+            ],
+            "env": {
+                "NODE_ENV": "development"
+            },
+            "externalConsole": false,
+            "sourceMaps": false,
+            "outDir": null
+        }
+    ]
+}
diff --git a/samples/node/web/rest/rest-hello/app.js b/samples/node/web/rest/rest-hello/app.js
@@ -0,0 +1,56 @@
+const Koa = require('koa');
+
+const bodyParser = require('koa-bodyparser');
+
+const router = require('koa-router')();
+
+const fs = require('fs');
+
+const app = new Koa();
+
+// log request URL:
+app.use(async (ctx, next) => {
+    console.log(`Process ${ctx.request.method} ${ctx.request.url}...`);
+    await next();
+});
+
+// parse request body:
+app.use(bodyParser());
+
+// add url-route in /controllers:
+function addMapping(router, mapping) {
+    for (var url in mapping) {
+        if (url.startsWith('GET ')) {
+            var path = url.substring(4);
+            router.get(path, mapping[url]);
+            console.log(`register URL mapping: GET ${path}`);
+        } else if (url.startsWith('POST ')) {
+            var path = url.substring(5);
+            router.post(path, mapping[url]);
+            console.log(`register URL mapping: POST ${path}`);
+        } else {
+            console.log(`invalid URL: ${url}`);
+        }
+    }
+}
+
+function addControllers(router) {
+    var files = fs.readdirSync(__dirname + '/controllers');
+    var js_files = files.filter((f) => {
+        return f.endsWith('.js');
+    }, files);
+
+    for (var f of js_files) {
+        console.log(`process controller: ${f}...`);
+        let mapping = require(__dirname + '/controllers/' + f);
+        addMapping(router, mapping);
+    }
+}
+
+addControllers(router);
+
+// add router middleware:
+app.use(router.routes());
+
+app.listen(3000);
+console.log('app started at port 3000...');
diff --git a/samples/node/web/rest/rest-hello/controllers/api.js b/samples/node/web/rest/rest-hello/controllers/api.js
@@ -0,0 +1,26 @@
+var products = [{
+    name: 'iPhone',
+    price: 6999
+}, {
+    name: 'Kindle',
+    price: 999
+}];
+
+module.exports = {
+    'GET /api/products': async (ctx, next) => {
+        ctx.response.type = 'application/json';
+        ctx.response.body = {
+            products: products
+        };
+    },
+
+    'POST /api/products': async (ctx, next) => {
+        var p = {
+            name: ctx.request.body.name,
+            price: ctx.request.body.price
+        };
+        products.push(p);
+        ctx.response.type = 'application/json';
+        ctx.response.body = p;
+    }
+};
diff --git a/samples/node/web/rest/rest-hello/package.json b/samples/node/web/rest/rest-hello/package.json
@@ -0,0 +1,29 @@
+{
+    "name": "rest-koa",
+    "version": "1.0.0",
+    "description": "koa 2 example with rest api",
+    "main": "start.js",
+    "scripts": {
+        "start": "node start.js"
+    },
+    "keywords": [
+        "koa",
+        "rest",
+        "api"
+    ],
+    "author": "Michael Liao",
+    "license": "Apache-2.0",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/michaelliao/learn-javascript.git"
+    },
+    "dependencies": {
+        "babel-core": "6.13.2",
+        "babel-polyfill": "6.13.0",
+        "babel-preset-es2015-node6": "0.3.0",
+        "babel-preset-stage-3": "6.5.0",
+        "koa": "2.0.0",
+        "koa-bodyparser": "3.2.0",
+        "koa-router": "7.0.0"
+    }
+}
diff --git a/samples/node/web/rest/rest-hello/start.js b/samples/node/web/rest/rest-hello/start.js
@@ -0,0 +1,5 @@
+require('babel-core/register')({
+    presets: ['stage-3']
+});
+
+require('./app.js');
