Display services in document view

costs/admin.py

@@ -17,11 +17,28 @@ class CostInline(admin.TabularInline):
     extra = 0
 
 
+class ServiceInline(admin.TabularInline):
+    model = Service
+    fields = ('name', 'monthly_unit_cost', 'new_subscriber_cost')
+    readonly_fields = ('name', 'monthly_unit_cost', 'new_subscriber_cost')
+    show_change_link = True
+    extra = 0
+
+    def monthly_unit_cost(self, obj):
+        return '{:.2f}€'.format(obj.get_prices()['unit_recurring_price'])
+    monthly_unit_cost.short_description = "Coût de revient mensuel"
+
+    def new_subscriber_cost(self, obj):
+        return '{:.2f}€'.format(obj.get_prices()['total_goods_value_share'])
+    new_subscriber_cost.short_description = "Coût nouv. abo"
+
+
 @admin.register(Document)
 class DocumentAdmin(admin.ModelAdmin):
     list_display = ('name', 'date', 'type')
     actions = ['copy']
-    inlines = [GoodInline, CostInline]
+    inlines = [ServiceInline, GoodInline, CostInline]
+    save_on_top = True
 
     def copy(self, request, queryset):
         for i in queryset.all():
@@ -105,6 +122,7 @@ class ServiceAdmin(admin.ModelAdmin):
             'fields': ('reusable',)
         })
     )
+    save_on_top = True
 
     def get_form(self, request, obj=None, **kwargs):
         if obj: