chore: add tasks day 2

aufgabe-3-1/hello.js

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+import express from 'express';
+
+// var, const, let
+
+const app = express();
+const port = 3000;
+
+app.get('/', (request, response) => {
+  response.send('Hello World!');
+});
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`);
+});

aufgabe-3-3/endpoints.js

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+import express from 'express';
+
+const app = express();
+const port = 3000;
+
+app.get('/now', (request, response) => {
+  response.send(new Date().toLocaleString("de-CH"));
+});
+
+const names = [
+  "Hans",
+  "Franz",
+  "Jack",
+  "Daniel",
+  "Susanne",
+  "Ceren",
+  "Sara",
+  "Josef",
+  "Kunigunde"
+]
+
+app.get('/name', (request, response) => {
+  const index = Math.floor(Math.random() * names.length);
+  response.send(names[index]);
+})
+
+app.listen(port, () => {
+  console.log(`Endpoints app listening on port ${port}`);
+});

aufgabe-4-2/endpoints.js

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+import express from 'express';
+
+const app = express();
+app.use(express.json());
+app.use(express.urlencoded());
+const port = 3000;
+
+let names = [
+  "Hans",
+  "Franz",
+  "Jack",
+  "Daniel",
+  "Susanne",
+  "Ceren",
+  "Sara",
+  "Josef",
+  "Kunigunde"
+]
+
+app.get('/now', (request, response) => {
+  response.send(new Date().toLocaleString("de-CH", {timeZone: request.query.tz}));
+});
+
+app.get('/names', (_, response) => {
+  response.send(names);
+});
+
+app.delete('/names', (request, response) => {
+  const nameToDelete = request.query.name;
+  names = names.filter((name) => name !== nameToDelete);
+  response.sendStatus(204);
+});
+
+app.post('/test', (req, res) => {
+  console.log(req.body);
+  res.sendStatus(204);
+})
+
+app.listen(port, () => {
+  console.log(`Endpoints app listening on port ${port}`);
+});

aufgabe-5-1/library.js

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+import express from 'express';
+
+const app = express();
+app.use(express.json());
+const port = 3000;
+
+let books = [
+  { isbn: "978-3-7466-3938-5", title: "Die sieben Schwestern", author: "Lucinda Riley", year: 2014 },
+  { isbn: "978-3-498-03467-7", title: "Origin", author: "Dan Brown", year: 2017 },
+  { isbn: "978-3-426-28153-5", title: "Die Känguru-Apokryphen", author: "Marc-Uwe Kling", year: 2018 },
+  { isbn: "978-3-608-96159-1", title: "Die Geschichte der Bienen", author: "Maja Lunde", year: 2017 },
+  { isbn: "978-3-257-07164-6", title: "Tyll", author: "Daniel Kehlmann", year: 2017 },
+  { isbn: "978-3-570-10348-3", title: "Die Tribute von Panem - Flammender Zorn", author: "Suzanne Collins", year: 2010 },
+  { isbn: "978-3-442-71320-6", title: "Das Paket", author: "Sebastian Fitzek", year: 2016 },
+  { isbn: "978-3-10-397271-1", title: "QualityLand", author: "Marc-Uwe Kling", year: 2017 },
+  { isbn: "978-3-442-49058-8", title: "Das Labyrinth der Träumenden Bücher", author: "Walter Moers", year: 2011 }
+];
+
+let lends = [];
+
+app.get('/books', (request, response) => {
+  response.send(books);
+});
+
+app.get('/books/:isbn', (request, response) => {
+  response.send(books.find((book) => book.isbn === request.params.isbn));
+});
+
+app.post('/books', (request, response) => {
+  books = [...books, request.body];
+  response.send(request.body);
+});
+
+app.put('/books/:isbn', (request, response) => {
+  books = books.map(
+    (book) => book.isbn === request.params.isbn ? request.body : book
+  );
+  response.send(request.body);
+})
+
+app.delete('/books/:isbn', (request, response) => {
+  books = books.filter((book) => book.isbn !== request.body.isbn);
+  response.sendStatus(204);
+})
+
+app.listen(port, () => {
+  console.log(`Library app listening on port ${port}`);
+});

aufgabe-5-2/library.js

@@ -0,0 +1,68 @@
+import express from 'express';
+
+const app = express();
+app.use(express.json());
+const port = 3000;
+
+let books = [
+  { isbn: "978-3-7466-3938-5", title: "Die sieben Schwestern", author: "Lucinda Riley", year: 2014 },
+  { isbn: "978-3-498-03467-7", title: "Origin", author: "Dan Brown", year: 2017 },
+  { isbn: "978-3-426-28153-5", title: "Die Känguru-Apokryphen", author: "Marc-Uwe Kling", year: 2018 },
+  { isbn: "978-3-608-96159-1", title: "Die Geschichte der Bienen", author: "Maja Lunde", year: 2017 },
+  { isbn: "978-3-257-07164-6", title: "Tyll", author: "Daniel Kehlmann", year: 2017 },
+  { isbn: "978-3-570-10348-3", title: "Die Tribute von Panem - Flammender Zorn", author: "Suzanne Collins", year: 2010 },
+  { isbn: "978-3-442-71320-6", title: "Das Paket", author: "Sebastian Fitzek", year: 2016 },
+  { isbn: "978-3-10-397271-1", title: "QualityLand", author: "Marc-Uwe Kling", year: 2017 },
+  { isbn: "978-3-442-49058-8", title: "Das Labyrinth der Träumenden Bücher", author: "Walter Moers", year: 2011 }
+];
+
+let lends = [];
+
+app.get('/books', (request, response) => {
+  response.send(books);
+});
+
+app.get('/books/:isbn', (request, response) => {
+  response.send(books.find((book) => book.isbn === request.params.isbn));
+});
+
+app.post('/books', (request, response) => {
+  books = [...books, request.body];
+  response.send(request.body);
+});
+
+app.put('/books/:isbn', (request, response) => {
+  books = books.map(
+    (book) => book.isbn === request.params.isbn ? request.body : book
+  );
+  response.send(request.body);
+})
+
+app.delete('/books/:isbn', (request, response) => {
+  books = books.filter((book) => book.isbn !== request.body.isbn);
+  response.sendStatus(204);
+});
+
+app.get('/lends', (request, response) => {
+  response.send(lends);
+});
+
+app.post('/lends', (request, response) => {
+  if(request.body.isbn && books.findIndex((book) => book.isbn === request.body.isbn) === -1) {
+    return response.sendStatus(404);
+  }
+
+  const lend = {...request.body, id: crypto.randomUUID(), borrowed_at: new Date().getTime()}
+  lends = [...lends, lend];
+  response.send(lend);
+});
+
+app.delete('/lends/:id', (request, response) => {
+  lends.map(
+    (lend) => lends.id === request.params.id ? {...lend, returned_at: new Date().getTime()} : lend
+  )
+});
+
+app.listen(port, () => {
+  console.log(`Library app listening on port ${port}`);
+});

aufgabe-6-2/library.js

@@ -0,0 +1,86 @@
+import express from 'express';
+import swaggerAutogen from 'swagger-autogen';
+import swaggerUi from 'swagger-ui-express';
+import swaggerDocument from './swagger-output.json' assert { type: 'json' };
+
+const swaggerGenerator = swaggerAutogen();
+const app = express();
+app.use(express.json());
+app.use('/swagger-ui', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
+const port = 3000;
+
+let books = [
+  { isbn: "978-3-7466-3938-5", title: "Die sieben Schwestern", author: "Lucinda Riley", year: 2014 },
+  { isbn: "978-3-498-03467-7", title: "Origin", author: "Dan Brown", year: 2017 },
+  { isbn: "978-3-426-28153-5", title: "Die Känguru-Apokryphen", author: "Marc-Uwe Kling", year: 2018 },
+  { isbn: "978-3-608-96159-1", title: "Die Geschichte der Bienen", author: "Maja Lunde", year: 2017 },
+  { isbn: "978-3-257-07164-6", title: "Tyll", author: "Daniel Kehlmann", year: 2017 },
+  { isbn: "978-3-570-10348-3", title: "Die Tribute von Panem - Flammender Zorn", author: "Suzanne Collins", year: 2010 },
+  { isbn: "978-3-442-71320-6", title: "Das Paket", author: "Sebastian Fitzek", year: 2016 },
+  { isbn: "978-3-10-397271-1", title: "QualityLand", author: "Marc-Uwe Kling", year: 2017 },
+  { isbn: "978-3-442-49058-8", title: "Das Labyrinth der Träumenden Bücher", author: "Walter Moers", year: 2011 }
+];
+
+let lends = [];
+
+app.get('/books', (request, response) => {
+  response.send(books);
+});
+
+app.get('/books/:isbn', (request, response) => {
+  response.send(books.find((book) => book.isbn === request.params.isbn));
+});
+
+app.post('/books', (request, response) => {
+  books = [...books, request.body];
+  response.send(request.body);
+});
+
+app.put('/books/:isbn', (request, response) => {
+  books = books.map(
+    (book) => book.isbn === request.params.isbn ? request.body : book
+  );
+  response.send(request.body);
+})
+
+app.delete('/books/:isbn', (request, response) => {
+  books = books.filter((book) => book.isbn !== request.body.isbn);
+  response.sendStatus(204);
+});
+
+app.get('/lends', (request, response) => {
+  response.send(lends);
+});
+
+app.post('/lends', (request, response) => {
+  if(request.body.isbn && books.findIndex((book) => book.isbn === request.body.isbn) === -1) {
+    return response.sendStatus(404);
+  }
+
+  const lend = {...request.body, id: crypto.randomUUID(), borrowed_at: new Date().getTime()}
+  lends = [...lends, lend];
+  response.send(lend);
+});
+
+app.delete('/lends/:id', (request, response) => {
+  lends.map(
+    (lend) => lends.id === request.params.id ? {...lend, returned_at: new Date().getTime()} : lend
+  )
+});
+
+app.listen(port, () => {
+  console.log(`Library app listening on port ${port}`);
+});
+
+const doc = {
+  info: {
+    title: 'Library',
+    description: 'Meine tolle Bibliothek API'
+  },
+  host: 'localhost:3000'
+};
+
+const outputFile = './aufgabe-6-2/swagger-output.json';
+const routes = ['./aufgabe-6-2/library.js'];
+
+swaggerGenerator(outputFile, routes, doc);