django: finish tutorial

django/mysite/polls/admin.py

@@ -1,5 +1,21 @@
 from django.contrib import admin
 from .models import Question, Choice
 
-admin.site.register(Question)
-admin.site.register(Choice)
+
+class ChoiceInline(admin.TabularInline):
+    model = Choice
+    extra = 3
+
+class QuestionAdmin(admin.ModelAdmin):
+    # fields = ['pub_date', 'question_text']
+    fieldsets = [
+        (None,               {'fields':  ['question_text']}),
+        ('Date information', {'fields':  ['pub_date'],
+                              'classes': ['collapse']}),
+    ]
+    inlines = [ChoiceInline]
+    list_display = ('question_text', 'pub_date', 'was_published_recently')
+    list_filter = ['pub_date']
+    search_fields = ['question_text']
+
+admin.site.register(Question, QuestionAdmin)

django/mysite/polls/models.py

@@ -13,6 +13,10 @@ class Question(models.Model):
     def was_published_recently(self):
         return timezone.now() - recent <= self.pub_date <= timezone.now()
 
+    was_published_recently.admin_order_field = 'pub_date'
+    was_published_recently.boolean = True
+    was_published_recently.short_description = 'Published recently?'
+
 class Choice(models.Model):
     question = models.ForeignKey(Question, on_delete=models.CASCADE)
     choice_text = models.CharField(max_length=200)