Change directory structure (move ./nopaque/* to ./)

app/settings/__init__.py

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+from flask import Blueprint
+
+
+settings = Blueprint('settings', __name__)
+from . import views  # noqa

app/settings/forms.py

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+from flask import current_app
+from flask_login import current_user
+from flask_wtf import FlaskForm
+from wtforms import (BooleanField, PasswordField, SelectField, StringField,
+                     SubmitField, ValidationError)
+from wtforms.validators import DataRequired, Email, EqualTo, Length, Regexp
+from ..models import User
+
+
+class ChangePasswordForm(FlaskForm):
+    password = PasswordField('Old password', validators=[DataRequired()])
+    new_password = PasswordField(
+        'New password',
+        validators=[DataRequired(), EqualTo('password_confirmation',
+                                            message='Passwords must match.')]
+    )
+    new_password2 = PasswordField(
+        'Confirm new password', validators=[DataRequired()])
+    submit = SubmitField('Change password')
+
+    def __init__(self, user=current_user, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.user = user
+
+    def validate_current_password(self, field):
+        if not self.user.verify_password(field.data):
+            raise ValidationError('Invalid password.')
+
+
+class EditGeneralSettingsForm(FlaskForm):
+    dark_mode = BooleanField('Dark mode')
+    email = StringField('E-Mail',
+                        validators=[DataRequired(), Length(1, 254), Email()])
+    username = StringField(
+        'Benutzername',
+        validators=[DataRequired(),
+                    Length(1, 64),
+                    Regexp(current_app.config['NOPAQUE_USERNAME_REGEX'],
+                           message='Usernames must have only letters, numbers,'
+                                   ' dots or underscores')]
+    )
+    submit = SubmitField('Submit')
+
+    def __init__(self, user=current_user, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.user = user
+
+    def validate_email(self, field):
+        if (field.data != self.user.email
+                and User.query.filter_by(email=field.data).first()):
+            raise ValidationError('Email already registered.')
+
+    def validate_username(self, field):
+        if (field.data != self.user.username
+                and User.query.filter_by(username=field.data).first()):
+            raise ValidationError('Username already in use.')
+
+
+class EditNotificationSettingsForm(FlaskForm):
+    job_status_mail_notifications = SelectField(
+        'Job status mail notifications',
+        choices=[('', 'Choose your option'),
+                 ('all', 'Notify on all status changes'),
+                 ('end', 'Notify only when a job ended'),
+                 ('none', 'No status update notifications')],
+        validators=[DataRequired()])
+    job_status_site_notifications = SelectField(
+        'Job status site notifications',
+        choices=[('', 'Choose your option'),
+                 ('all', 'Notify on all status changes'),
+                 ('end', 'Notify only when a job ended'),
+                 ('none', 'No status update notifications')],
+        validators=[DataRequired()])
+    submit = SubmitField('Save settings')
+
+    def __init__(self, user=current_user, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.user = user

app/settings/tasks.py

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+from .. import db
+from ..decorators import background
+from ..models import User
+
+
+@background
+def delete_user(user_id, *args, **kwargs):
+    with kwargs['app'].app_context():
+        user = User.query.get(user_id)
+        if user is None:
+            raise Exception('User {} not found'.format(user_id))
+        user.delete()
+        db.session.commit()

app/settings/views.py

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+from flask import flash, redirect, render_template, url_for
+from flask_login import current_user, login_required, logout_user
+from . import settings, tasks
+from .forms import (ChangePasswordForm, EditGeneralSettingsForm,
+                    EditNotificationSettingsForm)
+from .. import db
+
+
+@settings.route('/')
+@login_required
+def index():
+    return redirect(url_for('.edit_general_settings'))
+
+
+@settings.route('/change_password', methods=['GET', 'POST'])
+@login_required
+def change_password():
+    form = ChangePasswordForm()
+    if form.validate_on_submit():
+        current_user.password = form.new_password.data
+        db.session.commit()
+        flash('Your password has been updated.')
+        return redirect(url_for('.change_password'))
+    return render_template('settings/change_password.html.j2',
+                           form=form, title='Change password')
+
+
+@settings.route('/edit_general_settings', methods=['GET', 'POST'])
+@login_required
+def edit_general_settings():
+    form = EditGeneralSettingsForm()
+    if form.validate_on_submit():
+        current_user.email = form.email.data
+        current_user.setting_dark_mode = form.dark_mode.data
+        current_user.username = form.username.data
+        db.session.commit()
+        flash('Your changes have been saved.')
+        return redirect(url_for('.edit_general_settings'))
+    form.dark_mode.data = current_user.setting_dark_mode
+    form.email.data = current_user.email
+    form.username.data = current_user.username
+    return render_template('settings/edit_general_settings.html.j2',
+                           form=form, title='General settings')
+
+
+@settings.route('/edit_notification_settings', methods=['GET', 'POST'])
+@login_required
+def edit_notification_settings():
+    form = EditNotificationSettingsForm()
+    if form.validate_on_submit():
+        current_user.setting_job_status_mail_notifications = \
+            form.job_status_mail_notifications.data
+        current_user.setting_job_status_site_notifications = \
+            form.job_status_site_notifications.data
+        db.session.commit()
+        flash('Your changes have been saved.')
+        return redirect(url_for('.edit_notification_settings'))
+    form.job_status_mail_notifications.data = \
+        current_user.setting_job_status_mail_notifications
+    form.job_status_site_notifications.data = \
+        current_user.setting_job_status_site_notifications
+    return render_template('settings/edit_notification_settings.html.j2',
+                           form=form, title='Notification settings')
+
+
+@settings.route('/delete')
+@login_required
+def delete():
+    """
+    View to delete current_user and all associated data.
+    """
+    tasks.delete_user(current_user.id)
+    logout_user()
+    flash('Your account has been marked for deletion!')
+    return redirect(url_for('main.index'))