Upload photo authorizations

apps/registration/forms.py

@@ -1,6 +1,7 @@
 from django import forms
 from django.contrib.auth.forms import UserCreationForm
 from django.contrib.auth.models import User
+from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 
 from .models import AdminRegistration, CoachRegistration, StudentRegistration
@@ -44,6 +45,18 @@ class StudentRegistrationForm(forms.ModelForm):
         fields = ('student_class', 'school', 'give_contact_to_animath',)
 
 
+class PhotoAuthorizationForm(forms.ModelForm):
+    def clean_photo_authorization(self):
+        file = self.files["photo_authorization"]
+        if file.content_type not in ["application/pdf", "image/png", "image/jpeg"]:
+            raise ValidationError(_("The uploaded file must be a PDF, PNG of JPEG file."))
+        return self.cleaned_data["photo_authorization"]
+
+    class Meta:
+        model = StudentRegistration
+        fields = ('photo_authorization',)
+
+
 class CoachRegistrationForm(forms.ModelForm):
     class Meta:
         model = CoachRegistration