added user name change

cookbook/forms.py

@@ -27,6 +27,8 @@ class DateWidget(forms.DateInput):
 
 
 class UserPreferenceForm(forms.ModelForm):
+    prefix = 'preference'
+
     class Meta:
         model = UserPreference
         fields = ('theme', 'nav_color')
@@ -36,6 +38,18 @@ class UserPreferenceForm(forms.ModelForm):
         }
 
 
+class UserNameForm(forms.ModelForm):
+    prefix = 'name'
+
+    class Meta:
+        model = User
+        fields = ('first_name', 'last_name')
+
+        help_texts = {
+            'first_name': _('Both fields are optional. If none are given the username will be displayed instead')
+        }
+
+
 class ExternalRecipeForm(forms.ModelForm):
     file_path = forms.CharField(disabled=True, required=False)
     storage = forms.ModelChoiceField(queryset=Storage.objects.all(), disabled=True, required=False)