From 6959f2a6bfe4836782d3fc5bcebde221b6ff4999 Mon Sep 17 00:00:00 2001
From: Claudio Maggioni <claudio@maggioni.xyz>
Date: Mon, 28 Oct 2019 23:05:09 +0100
Subject: [PATCH] hw6: bonus done (tests pass, needs manual testing for HTML)

---
 hw6/Claudio_Maggioni/app.js                   |   3 +-
 .../routes/favourites_db_asaw/router.js       | 164 ++++++++++++++++++
 2 files changed, 166 insertions(+), 1 deletion(-)
 create mode 100644 hw6/Claudio_Maggioni/routes/favourites_db_asaw/router.js

diff --git a/hw6/Claudio_Maggioni/app.js b/hw6/Claudio_Maggioni/app.js
index 0ccd0e7..6d61bea 100644
--- a/hw6/Claudio_Maggioni/app.js
+++ b/hw6/Claudio_Maggioni/app.js
@@ -40,7 +40,8 @@ app.use(express.static('public'));
 const routers = require('./routes/routers');
 app.use('/', routers.root);
 // app.use('/favorites', routers.favourites_db);
-app.use('/favorites', routers.favourites_db_promises);
+// app.use('/favorites', routers.favourites_db_promises);
+app.use('/favorites', routers.favourites_db_asaw);
 app.use('/bookmarked', routers.bookmarked);
 
 module.exports = app;
diff --git a/hw6/Claudio_Maggioni/routes/favourites_db_asaw/router.js b/hw6/Claudio_Maggioni/routes/favourites_db_asaw/router.js
new file mode 100644
index 0000000..ae1385d
--- /dev/null
+++ b/hw6/Claudio_Maggioni/routes/favourites_db_asaw/router.js
@@ -0,0 +1,164 @@
+/** @module root/router */
+'use strict';
+// vim: set ts=2 sw=2 et tw=80:
+
+const fs = require('fs');
+const express = require('express');
+const router = express.Router();
+
+const mongoose = require('mongoose');
+const Favorite = mongoose.model('Favorite');
+
+const { error, catchErrs, renderFav, parseId, notFound } = require('../utils');
+
+async function findAndRender(filter, req, res) {
+  try {
+    const favs = await Favorite.find(filter);
+    renderFav(req, res, favs);
+  } catch(e) {
+    error(e, res);
+  }
+}
+
+router.post('/', async (req, res) => {
+  if (!req.body.name || !req.body.dataURL) {
+    res.writeHead(400, { 'Content-Type': 'text/plain' });
+    res.end('Bad create form parameters');
+    return;
+  }
+
+  const data = {
+    name: req.body.name,
+    dataURL: req.body.dataURL,
+    bookmarked: req.body.bookmarked,
+  };
+  const favourite = new Favorite(data);
+
+  if (req.body._id) {
+    favourite._id = req.body._id;
+  } else {
+    favourite._id = mongoose.Types.ObjectId();
+  }
+
+  try {
+    const fav = await favourite.save();
+    res.status = 201;
+    renderFav(req, res, fav, false);
+  } catch(e) {
+    error(e, res);
+  }
+});
+
+router.get('/', async (req, res) => {
+  await findAndRender({}, req, res);
+});
+
+router.get('/search', async (req, res) => {
+  const filter = Object.assign({}, req.query);
+  delete filter['dataURL'];
+  delete filter['_method'];
+
+  await findAndRender(filter, req, res);
+});
+
+function findOne(id) {
+  return async (req, res) => {
+    try {
+      const fav = await Favorite.findById(id(req));
+
+      if (notFound(fav, res)) {
+        return;
+      }
+
+      renderFav(req, res, fav, false);
+    } catch(e) {
+      error(e, res);
+    }
+  };
+}
+
+router.get('/:id', findOne(req => parseId(req)));
+
+function handleUpdate(partial = false) {
+  return async (req, res) => {
+    const edit = {};
+    for (const key of ['dataURL', 'name']) {
+      if (req.body[key]) {
+        edit[key] = req.body[key];
+      } else if (!partial) {
+        res.writeHead(400, { 'Content-Type': 'text/plain' });
+        res.end('Bad PUT form parameters');
+        return;
+      }
+    }
+
+    if (req.body.bookmarked !== undefined) {
+      edit.bookmarked = req.body.bookmarked;
+    }
+
+    try {
+      const fav = await Favorite.findByIdAndUpdate(parseId(req), { $set: edit }, {
+        new: false,
+        upsert: true,
+        setDefaultsOnInsert: true,
+      });
+
+      if (fav == null) {
+        res.status = 201;
+        await findOne(() => parseId(req))(req, res);
+        return;
+      }
+
+      res.status = 200;
+      renderFav(req, res, fav, false);
+    } catch (e) {
+      error(e, res);
+    }
+  };
+}
+
+router.put('/:id', handleUpdate());
+
+router.patch('/:id', handleUpdate(true));
+
+router.delete('/:id', async (req, res) => {
+  try {
+    const fav = await Favorite.findByIdAndDelete(parseId(req));
+
+    if (notFound(fav, res)) {
+      return;
+    }
+
+    res.format({
+      json: () => res.writeHead(204),
+      html: () => res.writeHead(302, { 'Location': '/favorites' })
+    });
+    res.end();
+  } catch (e) {
+    error(e, res);
+  }
+});
+
+router.put('/:id/bookmarked', (req, res) => {
+  try {
+    const fav = Favorite.findByIdAndUpdate(parseId(req), {
+        $set: { bookmarked: req.body.bookmarked }
+      }, { new: true });
+
+    if (notFound(fav, res)) {
+      return;
+    }
+
+    if (!req.body.bookmarked) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+      res.end('Bad PUT bookmark form parameters');
+    } else {
+      renderFav(req, res, fav, false);
+    }
+  } catch (e) {
+    error(e, res);
+  }
+});
+
+/** router for /root */
+module.exports = router;