batman

app/auth/__init__.py

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+from flask import Blueprint
+
+bp = Blueprint('auth', __name__)
+
+from app.auth import routes 

app/auth/forms.py

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+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, BooleanField, SubmitField
+from wtforms.validators import DataRequired, Length, EqualTo, ValidationError
+from app.models.user import User
+
+class LoginForm(FlaskForm):
+    username = StringField('Username', validators=[DataRequired()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    remember_me = BooleanField('Remember Me')
+    submit = SubmitField('Sign In')
+
+class SignupForm(FlaskForm):
+    username = StringField('Username', validators=[DataRequired(), Length(min=3, max=64)])
+    password = PasswordField('Password', validators=[DataRequired(), Length(min=8)])
+    password2 = PasswordField('Repeat Password', validators=[DataRequired(), EqualTo('password')])
+    submit = SubmitField('Register')
+    
+    def validate_username(self, username):
+        user = User.query.filter_by(username=username.data).first()
+        if user is not None:
+            raise ValidationError('Please use a different username.') 

app/auth/routes.py

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+from flask import render_template, request, redirect, url_for, flash, jsonify, session
+from flask_login import login_user, logout_user, current_user, login_required
+from app import db
+from app.models.user import User
+from app.auth import bp
+from app.auth.forms import LoginForm, SignupForm
+from app.models.document import Category
+from urllib.parse import urlparse
+
+@bp.route('/login', methods=['GET', 'POST'])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+    
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('Invalid username or password', 'error')
+            return redirect(url_for('auth.login'))
+        
+        login_user(user, remember=form.remember_me.data)
+        session.permanent = True
+        
+        next_page = request.args.get('next')
+        if not next_page or urlparse(next_page).netloc != '':
+            next_page = url_for('main.index')
+        
+        return redirect(next_page)
+    
+    return render_template('auth/login.html', title='Sign In', form=form)
+
+@bp.route('/signup', methods=['GET', 'POST'])
+def signup():
+    if current_user.is_authenticated:
+        return redirect(url_for('main.index'))
+    
+    form = SignupForm()
+    if form.validate_on_submit():
+        user = User(username=form.username.data)
+        user.set_password(form.password.data)
+        
+        db.session.add(user)
+        db.session.flush()  # Get the user ID for the next step
+        
+        # Create root category for the user
+        root_category = Category(
+            name='My Documents',
+            icon='mdi-folder',
+            description='Default document category',
+            user_id=user.id,
+            is_root=True
+        )
+        db.session.add(root_category)
+        db.session.commit()
+        
+        flash('Your account has been created!', 'success')
+        login_user(user)
+        return redirect(url_for('main.index'))
+    
+    return render_template('auth/signup.html', title='Sign Up', form=form)
+
+@bp.route('/logout')
+def logout():
+    logout_user()
+    return redirect(url_for('auth.login'))
+
+@bp.route('/settings', methods=['GET', 'POST'])
+@login_required
+def settings():
+    if request.method == 'POST':
+        if 'theme_color' in request.form:
+            current_user.theme_color = request.form['theme_color']
+            db.session.commit()
+            flash('Settings updated!', 'success')
+    
+    return render_template('auth/settings.html', title='Settings')