first commit

app/routes/auth.py

@@ -0,0 +1,56 @@
+from flask import Blueprint, render_template, request, redirect, url_for, flash
+from flask_login import login_user, logout_user, login_required, current_user
+from app.models import User
+from app import db
+
+auth_bp = Blueprint('auth', __name__)
+
+@auth_bp.route('/login', methods=['GET', 'POST'])
+def login():
+    if request.method == 'POST':
+        username = request.form['username']
+        password = request.form['password']
+        
+        user = User.query.filter_by(username=username).first()
+        
+        if user and user.check_password(password):
+            login_user(user)
+            next_page = request.args.get('next')
+            return redirect(next_page) if next_page else redirect(url_for('main.dashboard'))
+        else:
+            flash('Ungültiger Benutzername oder Passwort')
+    
+    return render_template('auth/login.html')
+
+@auth_bp.route('/register', methods=['GET', 'POST'])
+def register():
+    if request.method == 'POST':
+        username = request.form['username']
+        email = request.form['email']
+        password = request.form['password']
+        
+        # Prüfe ob Benutzer bereits existiert
+        if User.query.filter_by(username=username).first():
+            flash('Benutzername bereits vergeben')
+            return render_template('auth/register.html')
+        
+        if User.query.filter_by(email=email).first():
+            flash('E-Mail bereits vergeben')
+            return render_template('auth/register.html')
+        
+        # Erstelle neuen Benutzer
+        user = User(username=username, email=email)
+        user.set_password(password)
+        db.session.add(user)
+        db.session.commit()
+        
+        flash('Registrierung erfolgreich')
+        return redirect(url_for('auth.login'))
+    
+    return render_template('auth/register.html')
+
+@auth_bp.route('/logout')
+@login_required
+def logout():
+    logout_user()
+    return redirect(url_for('auth.login'))