README: Anleitung für STATS_PASSWORD und Dashboard ergänzt

app.py

@@ -1,9 +1,11 @@
-from flask import Flask, render_template, request
+from flask import Flask, render_template, request, redirect, url_for, session, abort
 from datetime import datetime, timedelta
 import numpy as np
 from dateutil.relativedelta import relativedelta
+import os
 
 app = Flask(__name__)
+app.secret_key = os.environ.get('SECRET_KEY', 'dev-key')
 
 # HTML-Template wird jetzt aus templates/index.html geladen
 
@@ -11,10 +13,20 @@ WOCHENTAGE = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samsta
 
 @app.route('/', methods=['GET', 'POST'])
 def index():
+    # Rudimentäres Logging für Page Impressions
+    log_dir = 'log'
+    os.makedirs(log_dir, exist_ok=True)
+    with open(os.path.join(log_dir, 'pageviews.log'), 'a', encoding='utf-8') as f:
+        from datetime import datetime as dt
+        f.write(f"{dt.now().isoformat()} PAGEVIEW\n")
     tage = werktage = wochentag = datumsrechnung = werktagsrechnung = kw_berechnen = kw_datum = wochen_monate = None
     active_idx = 0
     if request.method == 'POST':
         action = request.form.get('action')
+        # Funktions-Logging
+        with open(os.path.join(log_dir, 'pageviews.log'), 'a', encoding='utf-8') as f:
+            from datetime import datetime as dt
+            f.write(f"{dt.now().isoformat()} FUNC: {action}\n")
         if action == 'tage':
             active_idx = 0
             start = request.form.get('start1')
@@ -120,5 +132,31 @@ def index():
     return render_template('index.html', tage=tage, werktage=werktage, wochentag=wochentag, datumsrechnung=datumsrechnung, werktagsrechnung=werktagsrechnung, kw_berechnen=kw_berechnen, kw_datum=kw_datum, active_idx=active_idx, wochen_monate=wochen_monate)
 
 
+@app.route('/stats', methods=['GET', 'POST'])
+def stats():
+    stats_password = os.environ.get('STATS_PASSWORD', 'changeme')
+    if 'stats_auth' not in session:
+        if request.method == 'POST':
+            if request.form.get('password') == stats_password:
+                session['stats_auth'] = True
+                return redirect(url_for('stats'))
+            else:
+                return render_template('stats_login.html', error='Falsches Passwort!')
+        return render_template('stats_login.html', error=None)
+    # Auswertung der Logdatei
+    log_path = os.path.join('log', 'pageviews.log')
+    pageviews = 0
+    func_counts = {}
+    if os.path.exists(log_path):
+        with open(log_path, encoding='utf-8') as f:
+            for line in f:
+                if 'PAGEVIEW' in line:
+                    pageviews += 1
+                elif 'FUNC:' in line:
+                    func = line.split('FUNC:')[1].strip()
+                    func_counts[func] = func_counts.get(func, 0) + 1
+    return render_template('stats_dashboard.html', pageviews=pageviews, func_counts=func_counts)
+
+
 if __name__ == '__main__':
     app.run(debug=True)