Use django-crud-mixins for CRUD helpers

core/forms.py

@@ -2,6 +2,7 @@ from django import forms
 from django.contrib.auth.forms import UserCreationForm
 from django.core.exceptions import FieldDoesNotExist
 from django.forms import ModelForm
+from mixins.restrictions import RestrictedFormMixin
 
 from .models import (
     Account,
@@ -20,36 +21,6 @@ from .models import (
 # flake8: noqa: E501
 
 
-class RestrictedFormMixin:
-    """
-    This mixin is used to restrict the queryset of a form to the current user.
-    The request object is passed from the view.
-    Fieldargs is used to pass additional arguments to the queryset filter.
-    """
-
-    fieldargs = {}
-
-    def __init__(self, *args, **kwargs):
-        # self.fieldargs = {}
-        self.request = kwargs.pop("request")
-        super().__init__(*args, **kwargs)
-        for field in self.fields:
-            # Check it's not something like a CharField which has no queryset
-            if not hasattr(self.fields[field], "queryset"):
-                continue
-
-            model = self.fields[field].queryset.model
-            # Check if the model has a user field
-            try:
-                model._meta.get_field("user")
-                # Add the user to the queryset filters
-                self.fields[field].queryset = model.objects.filter(
-                    user=self.request.user, **self.fieldargs.get(field, {})
-                )
-            except FieldDoesNotExist:
-                pass
-
-
 class NewUserForm(UserCreationForm):
     email = forms.EmailField(required=True)