Initial commit

.eslintrc

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+{
+  "extends": "airbnb-base",
+  "rules": {
+    // windows linebreaks when not in production environment
+    "linebreak-style": ["error", "windows"],
+    "indent": 0,
+    "no-underscore-dangle": 0,
+    "class-methods-use-this": 0,
+    "consistent-return": 0,
+    "no-cond-assign": 0,
+    "no-param-reassign": 0,
+    "object-curly-newline": 0,
+    "eqeqeq": 0
+  }
+}

.gitignore

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+node_modules
+*.log
+.idea
+*.log.*

api.js

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+const bodyParser = require('body-parser');
+const config = require('config');
+const express = require('express');
+const Router = require('./routing/router');
+
+class API {
+  constructor() {
+    this.app = express();
+    this.router = new Router(this.app);
+
+    this.port = config.get('api.port');
+    this.host = config.get('api.host');
+  }
+
+  start() {
+    this.app.use(bodyParser.urlencoded({ extended: true }));
+    this.app.use(bodyParser.json());
+    this.router.registerRoutes();
+    this.app.listen(this.port, this.host);
+
+    console.log(`RESTful API server started on: ${this.port}`);
+  }
+}
+
+module.exports = API;

config/default.json

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+{
+  "debug": true,
+  "api": {
+    "host": "",
+    "port": 3000,
+    "security": {
+      "jwtSecret": "secret"
+    }
+  }
+}

controllers/booksListController.js

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+const halson = require('halson');
+const ControllerBase = require('./controllerBase');
+
+class BooksListController extends ControllerBase {
+  async getBook() {
+    try {
+      const { id } = this.params;
+
+      const resource = halson({ id });
+
+      const removeURI = await this.uriGenerator.getURI(
+          this.controllers.BooksListController.removeBook,
+          { id },
+      );
+      if (removeURI) {
+        resource.addLink(removeURI.id, removeURI);
+      }
+
+      const rateURI = await this.uriGenerator.getURI(
+          this.controllers.BooksListController.rateBook,
+          { id },
+      );
+      if (rateURI) {
+        resource.addLink(rateURI.id, rateURI);
+      }
+
+      this.ok(resource);
+    } catch (err) {
+      this.error(err);
+    }
+  }
+
+  async rateBook() {
+    try {
+      const { id } = this.params;
+      const { rating } = this.body;
+
+      const resource = halson({ id, rating });
+
+      this.ok(resource);
+    } catch (err) {
+      this.error(err);
+    }
+  }
+
+  async removeBook() {
+    try {
+      const { id } = this.params;
+
+      const resource = halson({ id });
+
+      this.ok(resource);
+    } catch (err) {
+      this.error(err);
+    }
+  }
+}
+
+module.exports = BooksListController;

controllers/controllerBase.js

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+class ControllerBase {
+  constructor({ uriGenerator, controllers, req, res }) {
+    this.uriGenerator = uriGenerator;
+    this.controllers = controllers;
+    this.req = req;
+    this.res = res;
+    this.params = this.req.params;
+    this.query = this.req.query;
+    this.body = this.req.body;
+  }
+
+  error(err) {
+    const status = err.statusCode || err.status;
+    const statusCode = status || 500;
+    this.res.status(statusCode).send(err);
+  }
+
+  created(location, data) {
+    if (location) {
+      this.res.location(location);
+    }
+
+    this.res.status(201).send(data);
+  }
+
+  ok(data) {
+    this.res.status(200).send(data);
+  }
+
+  noContent() {
+    this.res.status(204).send();
+  }
+}
+
+module.exports = ControllerBase;

controllers/indexController.js

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+const halson = require('halson');
+const ControllerBase = require('./controllerBase');
+
+class IndexController extends ControllerBase {
+  async index() {
+    const getBookURI = this.uriGenerator.getURI(
+        this.controllers.BooksListController.getBook,
+    );
+
+    const rateBookURI = this.uriGenerator.getURI(
+        this.controllers.BooksListController.rateBook,
+    );
+
+    const removeBookURI = this.uriGenerator.getURI(
+        this.controllers.BooksListController.removeBook,
+    );
+
+    const resource = halson({ api: 'api v1' });
+    try {
+      const links = await Promise.all([
+        getBookURI,
+        rateBookURI,
+        removeBookURI,
+      ]);
+
+      links.forEach((link) => {
+        if (link) {
+          resource.addLink(link.id, link);
+        }
+      });
+
+      super.ok(resource);
+    } catch (err) {
+      super.error(err);
+    }
+  }
+}
+
+module.exports = IndexController;