User forms

* refactors user/forms.py by splitting into modals package and regular forms
    * regular forms can now be found at user/forms/user.py and user/forms/team.py
    * modal forms can now be found at user/forms/modals/...

user/forms/user.py

@@ -0,0 +1,113 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 18.08.22
+
+"""
+from django import forms
+from django.urls import reverse, reverse_lazy
+from django.utils.translation import gettext_lazy as _
+
+from api.models import APIUserToken
+from intervention.inputs import GenerateInput
+from konova.forms import BaseForm
+from user.models import User, UserNotification
+
+
+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": "list-unstyled",
+            }
+        ),
+        choices=[]
+    )
+
+    def __init__(self, user: User, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.user = user
+        self.form_title = _("Edit notifications")
+        self.form_caption = _("")
+        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
+
+        users_current_notifications = self.user.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.user.notifications.set(notifications)
+
+
+class UserAPITokenForm(BaseForm):
+    token = forms.CharField(
+        label=_("Token"),
+        label_suffix="",
+        max_length=255,
+        required=True,
+        help_text=_("Generated automatically"),
+        widget=GenerateInput(
+            attrs={
+                "class": "form-control",
+                "url": reverse_lazy("api:generate-new-token"),
+            }
+        )
+    )
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.form_title = _("Create new token")
+        self.form_caption = _("A new token needs to be validated by an administrator!")
+
+        self.action_url = reverse("user:api-token")
+        self.cancel_redirect = reverse("user:index")
+
+        # Make direct token editing by user impossible. Instead set the proper url for generating a new token
+        self.initialize_form_field("token", None)
+        self.fields["token"].widget.attrs["readonly"] = True
+
+    def save(self):
+        """ Saves the form data
+
+        Returns:
+            api_token (APIUserToken)
+        """
+        user = self.instance
+        new_token = self.cleaned_data["token"]
+        if user.api_token is not None:
+            user.api_token.delete()
+        new_token = APIUserToken.objects.create(
+            token=new_token
+        )
+        user.api_token = new_token
+        user.save()
+        return new_token