add colored status

fet2020/finance/admin.py

@@ -1,4 +1,5 @@
 from django.contrib import admin, messages
+from django.utils.safestring import mark_safe
 from django.utils.translation import ngettext
 
 from .forms import BankDataAdminForm, BillAdminForm, ResolutionAdminForm
@@ -25,7 +26,7 @@ class BillAdmin(admin.ModelAdmin):
         "amount",
         "purpose",
         "resolution",
-        "status",
+        "status_colored",
         "bill_creator",
         "affiliation",
         "wiref_id",
@@ -136,6 +137,16 @@ class BillAdmin(admin.ModelAdmin):
 
     get_bankdata_bic.short_description = "BIC"
 
+    def status_colored(self, obj):
+        colors = {
+            'S': 'red',
+            'C': 'darkorange',
+            'F': 'green',
+        }
+        return mark_safe('<b style="background:{};">{}</b>'.format(colors[obj.status], obj.get_status_display()))
+
+    status_colored.short_description = "Status"
+
     @admin.action(description="Als 'Abgerechnet' markieren.")
     def make_cleared(self, request, queryset):
         updated = queryset.update(status="C")