Some refactoring into separate files

rss.js

@@ -0,0 +1,101 @@
+const fs = require('fs')
+const { uuidv4 } = require('./utils')
+
+class RSS {
+
+  constructor(name) {
+    this.name = name;
+    this.filename = 'rss.xml';
+    this.feed = null;
+
+    this.read()
+  }
+
+  // reads RSS file
+  read() {
+    fs.readFile(this.filename, 'utf8', (err, content) => {
+      if (err) {
+        console.error("Unable to read file:", this.filename)
+        console.error(err);
+        return;
+      }
+
+      this.feed = content;
+    });
+
+  }
+
+  // writes RSS file
+  write(content=this.feed) {
+    fs.writeFile(this.filename, content, (err) => {
+      if (err) {
+          console.error(`Error writing to ${this.filename}:`, err);
+      } else {
+          console.log(`Successfully wrote to ${this.filename}`);
+      }
+    });
+  }
+
+  itemTemplate(times, date, url, n) {
+    const relativeDate = new Date().getTime() - (n * 100000000)
+    const time = this.formatDate(new Date(relativeDate))
+    // const currentRSSDate = this.formatDate(new Date());
+
+    return `
+ <item>
+  <title></title>
+  <description>Vi minner om miljøbilen fra FolloRen besøker oss på ${this.name} kl ${times.from}-${times.to} den ${date}.</description>
+  <link>${url}</link>
+  <guid isPermaLink="false">${uuidv4()}</guid>
+  <pubDate>${time}</pubDate>
+ </item>
+
+    `;
+  }
+
+  getRSSItems() {
+
+  }
+
+  generate(times, dates, url) {
+    const description = "Viser hentetider for miljøbilen fra folloren.no";
+    const currentRSSDate = this.formatDate(new Date())
+
+    const blocks = dates.reverse().map((date, n) => this.itemTemplate(times, date, url, n))
+    this.feed = `
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0">
+<channel>
+ <title>Miljøbilen hentetider ${this.name}</title>
+ <description>${description}</description>
+ <link>https://github.com/kevinmidboe/miljobilen-rss</link>
+ <copyright>2020 Example.com All rights reserved</copyright>
+ <lastBuildDate>${currentRSSDate}</lastBuildDate>
+ <pubDate>${currentRSSDate}</pubDate>
+ <ttl>1800</ttl>
+
+  ${blocks.join('')}
+
+</channel>
+</rss>
+    `;
+  }
+
+  formatDate(date) {
+    const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+    const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+    const day = days[date.getUTCDay()];
+    const dayOfMonth = date.getUTCDate();
+    const month = months[date.getUTCMonth()];
+    const year = date.getUTCFullYear();
+    const hours = String(date.getUTCHours()).padStart(2, '0');
+    const minutes = String(date.getUTCMinutes()).padStart(2, '0');
+    const seconds = String(date.getUTCSeconds()).padStart(2, '0');
+
+    return `${day}, ${dayOfMonth} ${month} ${year} ${hours}:${minutes}:${seconds} +0000`;
+  }
+}
+
+
+module.exports = RSS