From c7a792257f23252b9822e67c97fd0e999afdc8d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20Koci=C3=A1n?= <matej.kocian@gmail.com>
Date: Fri, 21 Apr 2017 22:43:08 +0200
Subject: [PATCH] =?UTF-8?q?Admin:=20odkazy=20na=20=C4=8D=C3=ADsla=20zad?=
 =?UTF-8?q?=C3=A1n=C3=AD/=C5=99e=C5=A1en=C3=AD=20z=20probl=C3=A9m=C5=AF?=
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---
 seminar/admin.py | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/seminar/admin.py b/seminar/admin.py
index 9ce11a93..cdb9f3fc 100644
--- a/seminar/admin.py
+++ b/seminar/admin.py
@@ -8,6 +8,8 @@ from solo.admin import SingletonModelAdmin
 from ckeditor.widgets import CKEditorWidget
 from django.db.models import Count
 from django.db import models
+from django.utils.safestring import mark_safe
+from django.core.urlresolvers import reverse
 
 from django.contrib.auth.models import User
 
@@ -478,11 +480,37 @@ create_modeladmin(ProblemNavrhAdmin, Problem, 'ProblemNavrh', verbose_name=u'Pro
 
 
 class ProblemZadanyAdmin(ProblemAdmin):
-    list_display = ['nazev', 'typ', 'autor', 'opravovatel', 'kod', 'verejne']
+    list_display = [
+        'nazev',
+        'typ',
+        'cislo_zadani_link',
+        'cislo_reseni_link',
+        'autor',
+        'opravovatel',
+        'kod',
+        'verejne'
+    ]
     list_filter = [
         'typ', 'zamereni', 'cislo_zadani__cislo', 'cislo_zadani__rocnik'
     ]
 
+    def cislo_zadani_link(self, obj):
+        return mark_safe('<a href="{}">{}</a>'.format(
+            reverse("admin:seminar_cislo_change", args=(obj.cislo_zadani.pk,)),
+            obj.cislo_zadani
+        ))
+    cislo_zadani_link.short_description = u'Číslo zadání'
+
+    # TODO pokud se budou odkazy v adminu více používat, možná by se hodilo je
+    # nějak zjednodušit, např. tímto?
+    # https://github.com/gitaarik/django-admin-relation-links
+    def cislo_reseni_link(self, obj):
+        return mark_safe('<a href="{}">{}</a>'.format(
+            reverse("admin:seminar_cislo_change", args=(obj.cislo_reseni.pk,)),
+            obj.cislo_reseni
+        ))
+    cislo_reseni_link.short_description = u'Číslo řešení'
+
     def get_inline_instances(self, request, obj=None):
         if obj and obj.typ == Problem.TYP_ULOHA:
             inlines = [ReseniKProblemuInline, PohadkaKProblemuInline]