Init

src/getCalendar.py

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+import datetime
+from caldav.davclient import DAVClient
+import argparse
+import html
+
+# Parse command-line arguments
+parser = argparse.ArgumentParser(description='Retrieve events from a CalDAV calendar.')
+parser.add_argument('url', type=str, help='Server URL')
+parser.add_argument('user', type=str, help='Username')
+parser.add_argument('password', type=str, help='Password')
+parser.add_argument('calendar', type=str, help='Calendar name')
+parser.add_argument('start_date', type=str, help='Start date (dd.mm.yyyy)')
+parser.add_argument('end_date', type=str, help='End date (dd.mm.yyyy)')
+args = parser.parse_args()
+
+# Create a DAV client
+client = DAVClient(args.url, username=args.user, password=args.password)
+
+# Find the calendar by its name ('myCalendar' in this case)
+principal = client.principal()
+calendars = principal.calendars()
+calendar = None
+for cal in calendars:
+    if cal.name == args.calendar:
+        calendar = cal
+        break
+
+if calendar:
+    # Set the start and end timestamps
+    start = datetime.datetime.strptime(args.start_date, "%d.%m.%Y")
+    end = datetime.datetime.strptime(args.end_date, "%d.%m.%Y")
+    start = start.replace(hour=0, minute=0, second=0)
+    end = end.replace(hour=23, minute=59, second=59)
+    
+    results = calendar.date_search(start, end)
+
+    # Store events in a list
+    events = []
+    for result in results:
+        event = result.instance.vevent
+        summary = event.summary.value if event.summary else None
+        start_time = event.dtstart.value.strftime("%d.%m.%Y %H:%M:%S")
+        events.append((start_time, summary))
+
+    # Sort the events by start time
+    events.sort(key=lambda x: datetime.datetime.strptime(x[0], "%d.%m.%Y %H:%M:%S"))
+
+    # Print the sorted events
+    for summary in events:
+        print('-', summary[1])
+
+else:
+    print('Calendar not found.')

src/requirements.txt

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+caldav

src/server.js

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+const express = require('express');
+const path = require('path');
+const app = express();
+const { spawnSync } = require('child_process');
+const moment = require('moment');
+
+// Befehl für die Skriptausführung
+const command = process.platform === 'win32' ? 'python' : 'python3';
+// Pfad zum Kalender-Skript
+const scriptPath = path.resolve(__dirname, 'getCalendar.py');
+
+
+// Definiere den Port, auf dem der Webserver lauschen soll
+const webPort = process.env.WEB_PORT || 3000;
+
+const templates = path.join(__dirname, 'templates');
+
+// Stelle den Pfad zum "views" Verzeichnis ein
+app.set('views', templates);
+// Verwende EJS als Vorlagen-Engine
+app.set('view engine', 'ejs');
+
+// Funktion zum Formatieren des Datums
+function formatDate(date) {
+    const day = date.getDate().toString().padStart(2, '0');
+    const month = (date.getMonth() + 1).toString().padStart(2, '0');
+    const year = date.getFullYear();
+    return `${day}.${month}.${year}`;
+}
+
+// Funktion zum Erstellen der Liste der letzten 50 Wochen
+function getLast50Weeks() {
+    let currentWeek = moment().startOf('isoWeek');
+    const last50Weeks = [];
+    
+    for (let i = 0; i < 50; i++) {
+        const startOfWeek = currentWeek.clone().format('DD.MM.YYYY');
+        const endOfWeek = currentWeek.clone().add(6, 'days').format('DD.MM.YYYY');
+        last50Weeks.push(startOfWeek + " - " + endOfWeek);
+        currentWeek.subtract(7, 'days');
+    }
+    
+    return last50Weeks;
+}
+
+function convertToJsEscape(str) {
+    return str.replace(/[\u00A0-\u9999]/g, function (match) {
+      return '\\u' + ('0000' + match.charCodeAt(0).toString(16)).slice(-4);
+    });
+}
+
+function getCalendarEntries(week) {
+    const weekDate = getLast50Weeks()[week];
+    const [startDateStr, endDateStr] = weekDate.split(" - ");
+    
+    // Argumente für das Kalender-Skript
+    const args = [
+        process.env.CALDAV_URL,
+        process.env.CALDAV_USER,
+        process.env.CALDAV_PASSWORD,
+        process.env.CALDAV_CALENDAR,
+        startDateStr,
+        endDateStr
+    ];
+    
+    // Skript ausführen und Output in einer Variable speichern
+    const result = spawnSync(command, [scriptPath, ...args], { encoding: 'utf-8' });
+        
+    console.log(convertToJsEscape(result.stdout.toString('utf-8')));
+    return result.stdout;
+}
+        
+// Definiere eine Route für die Startseite
+app.get('/', (req, res) => {
+    res.render('index', { options:getLast50Weeks() });
+});
+
+// Definiere eine Route für die Ausgabe der Daten
+app.get('/getreport', (req, res) => {
+    res.send(getCalendarEntries(req.query.week));
+});
+
+// Starte den Server und lass ihn auf Port 3000 lauschen
+app.listen(webPort, () => {
+    console.log('Webserver läuft auf Port', webPort);
+});

src/templates/index.ejs

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+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>BerichtExporter</title>
+    <style>
+        body {
+            font-family: 'Roboto', sans-serif;
+            font-size: 16px;
+            background-color: #f5f5f5;
+        }
+        
+        .selector {
+            margin-top: 10px;
+            margin-bottom: 10px;
+        }
+          
+        .selector select {
+            height: 30px;
+            font-size: 16px;
+        }
+        
+        .selector button {
+            font-size: 16px;
+            height: 30px;
+            margin-left: 10px;
+        }
+        
+        #export-textarea {
+            font-size: 16px;
+            width: 90%;
+            resize: none;
+            overflow-y: hidden; 
+        }
+    </style>
+</head>
+<body>
+    <h1>BerichtExporter</h1>
+    <div class="selector">
+        <select id="week-list">
+            <% options.forEach((element, index) => { %>
+                <option value="<%= index %>"><%= element %></option>
+            <% }); %>
+        </select>
+        <button id="export-button" onclick="exportReport()">Export</button>
+    </div>
+    <textarea id="export-textarea" readonly></textarea>
+    
+    <script>
+        const exportTextarea = document.getElementById('export-textarea');
+        const weekList = document.getElementById('week-list');
+        
+        function exportReport() {
+            const week = weekList.value;
+            
+            fetch('/getreport?week=' + week)
+                .then(response => {
+                    if (response.ok) {
+                        return response.text();
+                    } else {
+                        exportTextarea.value = 'Error while fetching report';
+                        throw new Error('Error while fetching report');
+                    }
+                }).then(text => {
+                    exportTextarea.value = text;
+                    exportTextarea.style.height = exportTextarea.scrollHeight + "px";
+                }).catch(error => {
+                    exportTextarea.value = 'Error while fetching report';
+                    console.error(error);
+                });
+        }
+    </script>
+</body>
+</html>