From ce70269e7bd513e12b671952d6e2755ce8a47536 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Delobelle?= <aurelien.delobelle@gmail.com>
Date: Sat, 8 Apr 2017 17:50:36 +0200
Subject: [PATCH] Fewer requests on create/update spectaclerevente in bda
 admin.

- O(#participant) -> O(1) requests
---
 bda/admin.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/bda/admin.py b/bda/admin.py
index 56c958dc..02eebad5 100644
--- a/bda/admin.py
+++ b/bda/admin.py
@@ -230,6 +230,24 @@ class SalleAdmin(admin.ModelAdmin):
     search_fields = ('name', 'address')
 
 
+class SpectacleReventeAdminForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['answered_mail'].queryset = (
+            Participant.objects
+            .select_related('user', 'tirage')
+        )
+        self.fields['seller'].queryset = (
+            Participant.objects
+            .select_related('user', 'tirage')
+        )
+        self.fields['soldTo'].queryset = (
+            Participant.objects
+            .select_related('user', 'tirage')
+        )
+
+
 class SpectacleReventeAdmin(admin.ModelAdmin):
     """
     Administration des reventes de spectacles
@@ -252,6 +270,7 @@ class SpectacleReventeAdmin(admin.ModelAdmin):
 
     actions = ['transfer', 'reinit']
     actions_on_bottom = True
+    form = SpectacleReventeAdminForm
 
     def transfer(self, request, queryset):
         """