Move logout route to auth blueprint

The logout route was relocated from the main app to the auth blueprint for better organization. The logout link in the base template was updated to reference the new route location.

app.py

@@ -1,28 +1,25 @@
 from flask import (
-    render_template,
     redirect,
     url_for,
-    request,
     send_from_directory,
 )
 from flask_login import (
     login_required,
     logout_user,
-    login_user,
     current_user,
 )
-from forms import LoginForm
 from models import User
 from application import db, app, login_manager
 from application.admin.routes import admin_bp
 from application.user.routes import user_bp
 from application.add_meal.routes import bp as add_meal_bp
+from application.auth.routes import bp as auth_bp
 from typing import Optional
 
 # Config
 app.config["SECRET_KEY"] = "Stef123"
 
-login_manager.login_view = "login"  # type: ignore
+login_manager.login_view = "auth.login"  # type: ignore
 
 
 @login_manager.user_loader  # type: ignore
@@ -34,6 +31,7 @@ def load_user(user_id: int):
 app.register_blueprint(admin_bp)
 app.register_blueprint(user_bp)
 app.register_blueprint(add_meal_bp)
+app.register_blueprint(auth_bp)
 
 
 # Routes
@@ -49,7 +47,7 @@ def default_return(next_page: Optional[str] = None):
 @app.route("/")
 @login_required
 def index():
-    return redirect(url_for("login"))
+    return redirect(url_for("auth.login"))
 
 
 @app.route("/favicon.ico")
@@ -57,32 +55,6 @@ def favicon():
     return send_from_directory("static", "favicon.ico")
 
 
-@app.route("/login", methods=["GET", "POST"])
-def login():
-    if current_user.is_authenticated:
-        return default_return()
-
-    form = LoginForm()
-    if form.validate_on_submit():
-        user = User.query.filter_by(username=form.username.data).first()
-        if user and user.check_password(password=form.password.data):
-            # User found and password correct
-            next_page = request.args.get("next")  # Get next page if given
-            login_user(user)  # Log in the user
-            return default_return(next_page=next_page)
-        else:
-            pass
-            # invalid user
-    return render_template("login.html", form=form)
-
-
-@app.route("/logout")
-@login_required
-def logout():
-    logout_user()
-    return redirect(url_for("index"))
-
-
 # Run
 if __name__ == "__main__":
     # If there are no users, create admin account

application/add_meal/routes.py

@@ -28,7 +28,7 @@ bp = Blueprint(
 @bp.before_request
 def login_required():
     if not current_user.is_authenticated:
-        return redirect(url_for("login"))
+        return redirect(url_for("auth.login"))
 
 
 @bp.route("/select_meal/<int:meal_type>", methods=["GET"])

application/auth/routes.py

@@ -0,0 +1,59 @@
+from flask import Blueprint, request, render_template, redirect, url_for
+from flask_login import current_user, login_user, logout_user
+from forms import LoginForm, ChangePasswordForm
+from models import User
+from application.utils import default_return
+from application import db
+
+bp = Blueprint(
+    "auth",
+    __name__,
+    template_folder="templates",
+)
+
+
+@bp.route("/login", methods=["GET", "POST"])
+def login():
+    if current_user.is_authenticated:
+        return default_return()
+
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user and user.check_password(password=form.password.data):
+            # User found and password correct
+            next_page = request.args.get("next")  # Get next page if given
+            login_user(user)  # Log in the user
+            return default_return(next_page=next_page)
+        else:
+            pass
+            # invalid user
+    return render_template("login.html", form=form)
+
+
+@bp.route("/change_password", methods=["GET", "POST"])
+def change_password():
+    if not current_user.is_authenticated:
+        return redirect(url_for("auth.login"))
+
+    form = ChangePasswordForm()
+    if form.validate_on_submit():
+        cur_check = current_user.check_password(
+            password=form.current_password.data
+        )
+        eq_check = form.new_password.data == form.confirm_password.data
+        if cur_check and eq_check:
+            current_user.change_password(form.new_password.data)
+            current_user.set_pw_change(False)
+            db.session.commit()
+            return default_return()
+    return render_template("change_password.html", form=form)
+
+
+@bp.route("/logout")
+def logout():
+    if not current_user.is_authenticated:
+        return redirect(url_for("auth.login"))
+
+    logout_user()
+    return redirect(url_for("index"))

application/auth/templates/change_password.html

@@ -0,0 +1,46 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container d-flex justify-content-center align-items-center">
+    <div class="card shadow-sm p-4" style="width: 100%; max-width: 400px;">
+        <h3 class="mb-4 text-center">Login</h3>
+        <form method="post">
+            {{ form.hidden_tag() }}
+
+            <div class="mb-3">
+                {{ form.current_password.label(class="form-label") }}
+                {{ form.current_password(class="form-control", placeholder="") }}
+                {% if form.current_password.errors %}
+                <div class="text-danger small">
+                    {{ form.current_password.errors[0] }}
+                </div>
+                {% endif %}
+            </div>
+
+            <div class="mb-3">
+                {{ form.new_password.label(class="form-label") }}
+                {{ form.new_password(class="form-control", placeholder="Enter password") }}
+                {% if form.new_password.errors %}
+                <div class="text-danger small">
+                    {{ form.new_password.errors[0] }}
+                </div>
+                {% endif %}
+            </div>
+
+            <div class="mb-3">
+                {{ form.confirm_password.label(class="form-label") }}
+                {{ form.confirm_password(class="form-control", placeholder="Enter password") }}
+                {% if form.confirm_password.errors %}
+                <div class="text-danger small">
+                    {{ form.confirm_password.errors[0] }}
+                </div>
+                {% endif %}
+            </div>
+
+            <div class="d-grid">
+                {{ form.submit(class="btn btn-primary btn-lg") }}
+            </div>
+        </form>
+    </div>
+</div>
+{% endblock%}

application/auth/templates/login.html

@@ -0,0 +1,36 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container d-flex justify-content-center align-items-center">
+    <div class="card shadow-sm p-4" style="width: 100%; max-width: 400px;">
+        <h3 class="mb-4 text-center">Login</h3>
+        <form method="post">
+            {{ form.hidden_tag() }}
+
+            <div class="mb-3">
+                {{ form.username.label(class="form-label") }}
+                {{ form.username(class="form-control", placeholder="Enter username") }}
+                {% if form.username.errors %}
+                <div class="text-danger small">
+                    {{ form.username.errors[0] }}
+                </div>
+                {% endif %}
+            </div>
+
+            <div class="mb-3">
+                {{ form.password.label(class="form-label") }}
+                {{ form.password(class="form-control", placeholder="Enter password") }}
+                {% if form.password.errors %}
+                <div class="text-danger small">
+                    {{ form.password.errors[0] }}
+                </div>
+                {% endif %}
+            </div>
+
+            <div class="d-grid">
+                {{ form.submit(class="btn btn-primary btn-lg") }}
+            </div>
+        </form>
+    </div>
+</div>
+{% endblock%}

application/templates/base.html

@@ -32,11 +32,11 @@
                     <ul class="navbar-nav">
                         {% if current_user.is_authenticated %}
                         <li class="nav-item">
-                            <a class="nav-link" href="{{ url_for('logout') }}">Logout</a>
+                            <a class="nav-link" href="{{ url_for('auth.logout') }}">Logout</a>
                         </li>
                         {% else %}
                         <li class="nav-item">
-                            <a class="nav-link" href="{{ url_for('login') }}">Login</a>
+                            <a class="nav-link" href="{{ url_for('auth.login') }}">Login</a>
                         </li>
                         {% endif %}
                         <li class="nav-item">

application/user/routes.py

@@ -12,6 +12,7 @@ from application import db
 from forms import FoodItemForm
 from models import FoodItem, FoodLog
 from datetime import datetime, timezone, timedelta
+from application.utils import login_required
 
 user_bp = Blueprint(
     "user",
@@ -20,10 +21,7 @@ user_bp = Blueprint(
 )
 
 
-@user_bp.before_request
-def login_required():
-    if not current_user.is_authenticated:
-        return redirect(url_for("login"))
+user_bp.before_request(login_required)
 
 
 @user_bp.route("/dashboard", methods=["GET"])

application/utils.py

@@ -0,0 +1,21 @@
+from flask_login import current_user
+from flask import redirect, url_for, flash
+from typing import Optional
+
+
+def login_required():
+    if not current_user.is_authenticated:
+        return redirect(url_for("auth.login"))
+    if current_user.must_change_password:
+        flash("You have to change your password")
+        return redirect(url_for("auth.change_password"))
+    return
+
+
+def default_return(next_page: Optional[str] = None):
+    return redirect(url_for("user.daily_log"))
+    if next_page:
+        return redirect(next_page)
+    if current_user.is_admin:
+        return redirect(url_for("admin.food_items"))
+    return redirect(url_for("dashboard"))

forms.py

@@ -11,7 +11,18 @@ from wtforms.validators import DataRequired, InputRequired, Optional
 class LoginForm(FlaskForm):
     username = StringField("Username", validators=[DataRequired()])
     password = PasswordField("Password", validators=[DataRequired()])
-    submit = SubmitField("Login")
+    submit = SubmitField("Log in")
+
+
+class ChangePasswordForm(FlaskForm):
+    current_password = PasswordField(
+        "Current password", validators=[DataRequired()]
+    )
+    new_password = PasswordField("New password", validators=[DataRequired()])
+    confirm_password = PasswordField(
+        "Confirm new password", validators=[DataRequired()]
+    )
+    submit = SubmitField("Change password")
 
 
 class FoodItemForm(FlaskForm):

migrations/versions/101002a6ef17_.py

@@ -0,0 +1,40 @@
+"""empty message
+
+Revision ID: 101002a6ef17
+Revises: dea130d45cec
+Create Date: 2025-08-11 17:16:34.617851
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "101002a6ef17"
+down_revision = "dea130d45cec"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table("user", schema=None) as batch_op:
+        batch_op.add_column(
+            sa.Column(
+                "must_change_password",
+                sa.Boolean(),
+                nullable=False,
+                server_default="1",
+            )
+        )
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table("user", schema=None) as batch_op:
+        batch_op.drop_column("must_change_password")
+
+    # ### end Alembic commands ###

models.py

@@ -12,17 +12,23 @@ class User(UserMixin, db.Model):
     username = db.Column(db.String(150), unique=True, nullable=False)
     password = db.Column(db.String, nullable=False)
     is_admin = db.Column(db.Boolean, nullable=False, default=False)
+    must_change_password = db.Column(db.Boolean, nullable=False, default=False)
 
     food_items = db.relationship("FoodItem", lazy="dynamic", backref="user")
     food_logs = db.relationship("FoodLog", lazy="dynamic", backref="user")
 
     def __init__(
-        self, username: str, password: str, is_admin: bool = False
+        self,
+        username: str,
+        password: str,
+        is_admin: bool = False,
+        must_change_password: bool = False,
     ) -> None:
         super().__init__()
         self.username = username
         self.password = generate_password_hash(password=password)
         self.is_admin = is_admin
+        self.must_change_password = must_change_password
 
     def check_password(self, password: str) -> bool:
         return check_password_hash(pwhash=self.password, password=password)
@@ -30,6 +36,9 @@ class User(UserMixin, db.Model):
     def change_password(self, password: str) -> None:
         self.password = generate_password_hash(password=password)
 
+    def set_pw_change(self, change: bool) -> None:
+        self.must_change_password = change
+
 
 class Unit(db.Model):
     __tablename__ = "unit"