first commit

app/routes/auth.py

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+from __future__ import annotations
+
+from flask import Blueprint, flash, redirect, render_template, url_for
+from flask_login import current_user, login_required, login_user, logout_user
+
+from ..extensions import db
+from ..forms import LoginForm, RegisterForm
+from ..models import User
+
+
+bp = Blueprint("auth", __name__)
+
+
+@bp.route("/login", methods=["GET", "POST"])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for("tasks.my_tasks"))
+
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(email=form.email.data.lower().strip()).first()
+        if user and user.check_password(form.password.data):
+            login_user(user, remember=form.remember_me.data)
+            flash(f"Willkommen zurück, {user.name}.", "success")
+            return redirect(url_for("tasks.my_tasks"))
+        flash("Die Kombination aus E-Mail und Passwort passt leider nicht.", "error")
+    return render_template("auth/login.html", form=form)
+
+
+@bp.route("/register", methods=["GET", "POST"])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for("tasks.my_tasks"))
+
+    form = RegisterForm()
+    if form.validate_on_submit():
+        user = User(name=form.name.data.strip(), email=form.email.data.lower().strip())
+        user.set_password(form.password.data)
+        db.session.add(user)
+        db.session.commit()
+        login_user(user)
+        flash("Dein Konto ist bereit. Willkommen in der Putzliga.", "success")
+        return redirect(url_for("tasks.my_tasks"))
+    return render_template("auth/register.html", form=form)
+
+
+@bp.route("/logout")
+@login_required
+def logout():
+    logout_user()
+    flash("Du bist jetzt abgemeldet.", "info")
+    return redirect(url_for("auth.login"))
+