Admin: Fix ResitelInline

seminar/admin.py

@@ -76,11 +76,20 @@ def create_modeladmin(modeladmin, model, name = None, verbose_name = None, verbo
 
 class ResitelInline(admin.TabularInline):
     model = Resitel
-    fields = ['jmeno', 'prijmeni', 'skola', 'mesto', 'rok_maturity', ]
-    readonly_fields = ['jmeno', 'prijmeni', 'skola', 'mesto', 'rok_maturity', ]
+    fields = ['osoba_jmeno', 'osoba_prijmeni', 'skola', 'osoba_mesto', 'rok_maturity', ]
+    readonly_fields = ['osoba_jmeno', 'osoba_prijmeni', 'skola', 'osoba_mesto', 'rok_maturity', ]
     extra = 0
     view_on_site = False
 
+    def osoba_jmeno(self, obj):
+        return obj.osoba.jmeno
+
+    def osoba_prijmeni(self, obj):
+        return obj.osoba.prijmeni
+
+    def osoba_mesto(self, obj):
+        return obj.osoba.mesto
+
     def has_add_permission(self, req): return False