Add survey feature

survey/forms.py

@@ -0,0 +1,28 @@
+from django import forms
+
+from .models import Survey
+
+
+class SurveyForm(forms.ModelForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if 'survey_id' in self.initial:
+            self.fields['survey_id'].disabled = True
+
+    class Meta:
+        model = Survey
+        exclude = ('completed_registrations', 'completed_teams',)
+        widgets = {
+            'completed_registrations': forms.SelectMultiple(attrs={
+                'class': 'selectpicker',
+                'data-live-search': 'true',
+                'data-live-search-normalize': 'true',
+                'data-width': 'fit',
+            }),
+            'completed_teams': forms.SelectMultiple(attrs={
+                'class': 'selectpicker',
+                'data-live-search': 'true',
+                'data-live-search-normalize': 'true',
+                'data-width': 'fit',
+            }),
+        }