From 2bf8f886009c2d12a845c4131f312f5ba423f605 Mon Sep 17 00:00:00 2001
From: lauraF <laura.faust@informatik.hs-fulda.de>
Date: Mon, 9 May 2022 19:57:12 +0200
Subject: [PATCH] HA05: new JSON Datei (blog.json), new Routes to Save
 BlogDatas in blog.json

---
 public/models/blog.json | 16 +++++++++++++
 routes/blog.js          | 51 ++++++++++++++++++++++++++++++++++-------
 2 files changed, 59 insertions(+), 8 deletions(-)
 create mode 100644 public/models/blog.json

diff --git a/public/models/blog.json b/public/models/blog.json
new file mode 100644
index 0000000..4083eae
--- /dev/null
+++ b/public/models/blog.json
@@ -0,0 +1,16 @@
+[
+  {
+    "id": 1,
+    "title": "titel eins",
+    "username": "name",
+    "date": "2022-04-27",
+    "text": "text"
+  },
+  {
+    "id": 2,
+    "title": "nummer Zwei",
+    "username": "noch ein Name",
+    "date": "2022-05-04",
+    "text": "und noch ein Text"
+  }
+]
\ No newline at end of file
diff --git a/routes/blog.js b/routes/blog.js
index 66f47a1..19496ff 100644
--- a/routes/blog.js
+++ b/routes/blog.js
@@ -1,23 +1,52 @@
 var express = require('express');
 let res = require('express/lib/response');
 var router = express.Router();
+//fileStream ermöglicht Lesen und Schreiben auf Festplatte
+var fs = require('fs'); 
 
-let blog = [];
+//let blog = [];
+
+//erstellt JSONObjekt
+let rawdata = fs.readFileSync('./public/models/blog.json');
+//wandelt JSONObjekt in JsObjekt
+let blogInhalt = JSON.parse(rawdata);
 
 /* GET home page. */
 router.route('/')
   .get((req, res, next) => {  // => Pfeilfunktion: ersetzt function()
-    res.send({ blog });
+    for (i = 0; i < blogInhalt.length; i++){
+      console.log(blogInhalt[i].id, "." , blogInhalt[i].title);
+    }
+    res.send({ blogInhalt });
   })
   .post((req, res, next) => {
-    let blogeintrag = [];
+
+    /*let blogeintrag = [];
     let title = req.body.title;
     let username = req.body.username;
     let date = req.body.date;
     let text = req.body.text;
     console.log(title);
     blogeintrag.push(title, username, date, text);
-    blog.push(blogeintrag);
+    blog.push(blogeintrag); */
+
+    let blogeintrag = {
+      id : blogInhalt.length + 1,
+      title : req.body.title,
+      username : req.body.username,
+      date : req.body.date,
+      text : req.body.text
+    }
+
+    console.log(blogeintrag);
+
+    //hänge blogeintrag an blogInhalt
+    blogInhalt.push(blogeintrag);
+
+    let date = JSON.stringify(blogInhalt, null, 2);
+
+    fs.writeFileSync('./public/models/blog.json', date);
+
     res.render('blogPost', { title: 'Nächster Post' })
   });
 
@@ -25,11 +54,17 @@ router.get('/newPost', function (req, res, next) {
   res.render('blogPost', { title: 'BlogEintrag' });
 });
 
-router.get('/:id', function (req, res, next) {
-  let blogID = req.params.id;
+router.get('/:postID', function (req, res, next) {
+  let blogID = req.params.postID;
+
+  if(blogID > blogInhalt.length){
+    console.log("kein entsprechender Eintrag vorhanden");
+    res.send("kein entsprechender Eintrag vorhanden")
+  } else {
+    console.log(blogInhalt[blogID - 1]);
+    res.send(blogInhalt[blogID - 1]);
+  }
 
-  console.log(blogID);
-  res.send(blog[blogID]);
 });
 
 module.exports = router;