Define the received participation

apps/participation/forms.py

@@ -3,6 +3,7 @@ import re
 from bootstrap_datepicker_plus import DateTimePickerInput
 from django import forms
 from django.core.exceptions import ValidationError
+from django.db.models import Q
 from django.utils.translation import gettext_lazy as _
 
 from .models import Participation, Phase, Team, Video
@@ -99,6 +100,21 @@ class UploadVideoForm(forms.ModelForm):
         return super().clean()
 
 
+class ReceiveParticipationForm(forms.ModelForm):
+    """
+    Update the received participation of a participation.
+    """
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["received_participation"].queryset = Participation.objects.filter(
+            ~Q(pk=self.instance.pk) & Q(problem=self.instance.problem, valid=True)
+        )
+
+    class Meta:
+        model = Participation
+        fields = ('received_participation',)
+
+
 class PhaseForm(forms.ModelForm):
     """
     Form to update the calendar of a phase.