fix multiple users as responsible field bug after merge conflict

news/forms.py

@@ -1,5 +1,6 @@
 from django import forms
 from django.contrib.auth.models import User
+from django.db.models import Count
 from django.db.utils import OperationalError, ProgrammingError
 from django.forms import inlineformset_factory
 from django.forms.widgets import ClearableFileInput
@@ -111,16 +112,6 @@ def __init__(self, *args, **kwargs):
         )
 
 
-class UserFullnameChoiceField(forms.ModelMultipleChoiceField):
-    """
-    Denne klassen overrider ModelChoiceField for å vise vanlige
-    fulle navn istedenfor brukernavn
-    """
-
-    def label_from_instance(self, obj):
-        return obj.get_full_name()
-
-
 class MaterialFileWidget(ClearableFileInput):
     template_name = "files/_file_widget.html"
 
@@ -175,16 +166,21 @@ class EventForm(UpdatePubDateOnDraftPublishMixin, forms.ModelForm):
     registration_end = SplitDateTimeFieldCustom(label="Påmeldingsfrist")
     deregistration_end = SplitDateTimeFieldCustom(label="Avmeldingsfrist")
 
-    responsibles = UserFullnameChoiceField(
+    responsibles = forms.Field(
         label=_("Arrangementansvarlig"),
-        queryset=User.objects.all()
-        .filter(groups__name__in=get_committees())
-        .order_by("first_name"),
     )
 
     def clean_responsibles(self):
-        data = self.cleaned_data["responsibles"]
-        return User.objects.filter(pk__in=data)
+        """Get users from responsibles data, filter and check if they exist."""
+        data = self.data.getlist("responsibles")
+        users = User.objects.annotate(group_count=Count("groups")).filter(
+            pk__in=data, group_count__gt=0
+        )
+        if type(data) is list and users.count() != len(data):
+            raise forms.ValidationError(
+                _("Bruker er ikke i en registert gruppe."), code="invalid"
+            )
+        return users
 
     class Meta:
         model = Event

news/templates/news/edit_event.html

@@ -8,7 +8,7 @@
     <link rel="stylesheet" type="text/css" href="{% static 'news/css/news_style.css' %}">
     <link href="{% static 'website/css/select2.min.css' %}" rel="stylesheet" />
     <style>
-        .select-wrapper {
+        #responsible-input-wrapper .select-wrapper {
             display: none;
         }
         .select2 {
@@ -91,7 +91,7 @@ <h5>Generelt</h5>
                             </p>
                             <span class="helper-text hs-red-text">{{ form.internal.errors }}</span>
                         </div>
-                        <div class="col s12 input-field">
+                        <div class="col s12 input-field" id="responsible-input-wrapper">
                             <i class="material-icons prefix">person</i>
                             <label for="responsible-list">{{ form.responsibles.label }}</label>
                             <div style="margin-top: 40px; margin-bottom: -20px;" class="helper-text hs-red-text">{{ form.responsibles.errors }}</div>