Move apps in main directory

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/admin.py

@@ -0,0 +1,37 @@
+# Copyright (C) 2020 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.contrib import admin
+from django.contrib.admin import ModelAdmin
+from polymorphic.admin import PolymorphicChildModelAdmin, PolymorphicParentModelAdmin
+
+from .models import CoachRegistration, Payment, Registration, StudentRegistration, VolunteerRegistration
+
+
+@admin.register(Registration)
+class RegistrationAdmin(PolymorphicParentModelAdmin):
+    child_models = (StudentRegistration, CoachRegistration, VolunteerRegistration,)
+    list_display = ("user", "type", "email_confirmed",)
+    polymorphic_list = True
+
+
+@admin.register(StudentRegistration)
+class StudentRegistrationAdmin(PolymorphicChildModelAdmin):
+    pass
+
+
+@admin.register(CoachRegistration)
+class CoachRegistrationAdmin(PolymorphicChildModelAdmin):
+    pass
+
+
+@admin.register(VolunteerRegistration)
+class VolunteerRegistrationAdmin(PolymorphicChildModelAdmin):
+    pass
+
+
+@admin.register(Payment)
+class PaymentAdmin(ModelAdmin):
+    list_display = ('registration', 'type', 'valid', )
+    search_fields = ('registration__user__last_name', 'registration__user__first_name', 'registration__user__email',)
+    list_filter = ('type', 'valid',)