Split API from demo app and began Express framework (#7)

api/.gitignore

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+node_modules/

api/app.js

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+const express = require("express");
+const app = express();
+const apiRoutes = require("routes");
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+app.use("/api", apiRoutes);
+
+app.use("*", (req, res) => {
+  res.status(404).json({ error: "Resource not found" });
+});
+
+app.listen(3000, () => {
+  console.log("Suggestion Service API is up!");
+});

api/package.json

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+{
+  "name": "oapen-suggestion-service-api",
+  "version": "0.0.1",
+  "description": "An API which allows you to search for books with similar content from the oapen.org library.",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.18.1"
+  }
+}

api/routes.js

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+const express = require("express");
+const router = express.Router();
+const validate = require("./validate");
+
+router.get("/:handle", async (req, res) => {
+  try {
+    await validate.checkHandle(req.params.handle);
+    //TODO: Call a data function to grab suggestions from DB
+    let responseData = { error: "Not implemented" };
+    res.status(200).json(responseData);
+  } catch (e) {
+    res.status(200).json({});
+  }
+});
+
+module.exports = router;

api/validate.js

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+let checkHandle = async (handle) => {
+  // TODO: Validate the book's handle
+  return true;
+};
+
+module.exports = {
+  checkHandle,
+};