User menu

* adds user notifications and management

user/forms.py

@@ -0,0 +1,70 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: michel.peltriaux@sgdnord.rlp.de
+Created on: 08.07.21
+
+"""
+from django import forms
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
+from django.contrib.auth.models import User
+
+from konova.forms import BaseForm
+from user.models import UserNotification, KonovaUserExtension
+
+
+class UserNotificationForm(BaseForm):
+    """ Form for changing the notification settings of a user
+
+    """
+    notifications = forms.MultipleChoiceField(
+        label_suffix="",
+        label=_("Notifications"),
+        required=False,  # allow total disabling of all notifications
+        help_text=_("Select the situations when you want to receive a notification"),
+        widget=forms.CheckboxSelectMultiple(
+            attrs={
+                "class": "no-bullets",
+            }
+        ),
+        choices=[]
+    )
+
+    def __init__(self, user: User, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.user = user
+        self.form_title = _("Edit notifications")
+        self.action_url = reverse("user:notifications")
+        self.cancel_redirect = reverse("user:index")
+
+        # Insert all notifications into form field by creating choices as tuples
+        notifications = UserNotification.objects.filter(
+            is_active=True,
+        )
+        choices = []
+        for n in notifications:
+            choices.append(
+                (n.id, _(n.name))
+            )
+        self.fields["notifications"].choices = choices
+
+        # Set currently selected notifications as initial
+        self.konova_extension = KonovaUserExtension.objects.get_or_create(
+            user=user
+        )[0]
+        users_current_notifications = self.konova_extension.notifications.all()
+        users_current_notifications = [str(n.id) for n in users_current_notifications]
+        self.fields["notifications"].initial = users_current_notifications
+
+    def save(self):
+        """ Stores the changes in the user konova_extension
+
+        Returns:
+
+        """
+        selected_notification_ids = self.cleaned_data.get("notifications", [])
+        notifications = UserNotification.objects.filter(
+            id__in=selected_notification_ids,
+        )
+        self.konova_extension.notifications.set(notifications)