Ajout de la date de création/mise à jour dans le modèle Participants

calendrier/admin.py

@@ -2,5 +2,11 @@ from django.contrib import admin
 
 from .models import Event, Participants
 
+class ParticipantsAdmin(admin.ModelAdmin):
+    fields = ["event", "participant", "reponse", "instrument", "instrument_autre", "dont_play_main", "details", "creationDate", "updateDate" ]
+    readonly_fields = [ "creationDate", "updateDate" ]
+    list_display = ["participant", "event", "reponse", "creationDate", "updateDate" ]
+
 # Add event by admin page return a 502 error
 admin.site.register(Event)
+admin.site.register(Participants, ParticipantsAdmin)

calendrier/migrations/0007_auto_20220314_2320.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.2.25 on 2022-03-14 23:20
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('calendrier', '0006_auto_20210929_1629'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='participants',
+            name='creationDate',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, verbose_name='Date de création'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='participants',
+            name='updateDate',
+            field=models.DateTimeField(auto_now=True, verbose_name='Dernière mise à jour'),
+        ),
+    ]

calendrier/models.py

@@ -73,3 +73,5 @@ class Participants(models.Model):
         choices=[("Non", _("Non")), ("Oui", _("Oui"))],
     )
     details = models.CharField(max_length=50, blank=True)
+    creationDate = models.DateTimeField(auto_now_add=True, verbose_name = _("Date de création"))
+    updateDate = models.DateTimeField(auto_now=True, verbose_name = _("Dernière mise à jour"))

calendrier/views.py

@@ -373,16 +373,16 @@ class ReponseEvent(LoginRequiredMixin, TemplateView):
         return context
 
     def post(self, request, *args, **kwargs):
-        form = self.form_class(request.POST)
         ev = get_object_or_404(Event, id=self.kwargs["id"])
         part = request.user.profile
+        try:
+            p = Participants.objects.get(event=ev, participant=part)
+        except Participants.DoesNotExist:
+            p = None
+        form = self.form_class(request.POST, instance = p)
         if form.is_valid():
-            try:
-                p = Participants.objects.get(event=ev, participant=part)
-                p.delete()
-            except Participants.DoesNotExist:
-                pass
             obj = form.save(commit=False)
+            # Si la participation existe déjà, ces 2 ligne sont redondantes
             obj.event = ev
             obj.participant = part
             obj.save()