Pohádka: model a admin

* migrace

seminar/admin.py

@@ -11,7 +11,7 @@ from django.db import models
 
 from django.contrib.auth.models import User
 
-from seminar.models import Skola, Resitel, Rocnik, Cislo, Problem, Reseni, PrilohaReseni, Nastaveni, Soustredeni, Soustredeni_Ucastnici, Soustredeni_Organizatori, Novinky, Organizator, Prispevek
+from seminar.models import Skola, Resitel, Rocnik, Cislo, Problem, Reseni, PrilohaReseni, Nastaveni, Soustredeni, Soustredeni_Ucastnici, Soustredeni_Organizatori, Novinky, Organizator, Prispevek, Pohadka
 from autocomplete_light import shortcuts as autocomplete_light
 
 
@@ -296,6 +296,39 @@ class ReseniAdmin(VersionAdmin):
 admin.site.register(Reseni, ReseniAdmin)
 
 
+### Pohádka
+
+class PohadkaAdminForm(forms.ModelForm):
+    class Meta:
+        model = Pohadka
+        exclude = []
+    autor = UserModelChoiceField(User.objects.filter(is_staff=True))
+    uloha = forms.ModelChoiceField(Problem.objects.filter(typ=Problem.TYP_ULOHA))
+
+class PohadkaAdmin(VersionAdmin):
+    form = PohadkaAdminForm
+
+    def get_kod_ulohy(self, obj):
+        return obj.uloha.kod_v_rocniku()
+    get_kod_ulohy.short_description = u'Kód úlohy'
+
+    def get_rocnik(self, obj):
+        return obj.uloha.cislo_zadani.rocnik.rocnik
+    get_rocnik.short_description = u'Ročník'
+
+    list_display = ['__str__', 'get_rocnik', 'get_kod_ulohy', 'uloha', 'autor', 'timestamp']
+
+    get_form = get_form_predvypln_autora
+
+class PohadkaKProblemuInline(admin.TabularInline):
+    form = PohadkaAdminForm
+    model = Pohadka
+    exclude = []
+    extra = 0
+
+admin.site.register(Pohadka, PohadkaAdmin)
+
+
 ### Problem
 
 from autocomplete_light.contrib.taggit_field import TaggitField, TaggitWidget
@@ -348,7 +381,14 @@ create_modeladmin(ProblemNavrhAdmin, Problem, 'ProblemNavrh', verbose_name=u'Pro
 class ProblemZadanyAdmin(ProblemAdmin):
     list_display = ['nazev', 'typ', 'autor', 'opravovatel', 'kod', 'cislo_zadani', 'pocet_reseni', 'verejne']
     list_filter = ['typ', 'zamereni', 'cislo_zadani__cislo', 'cislo_zadani__rocnik']
-    inlines = [ReseniKProblemuInline]
+
+    def get_inline_instances(self, request, obj=None):
+        if obj and obj.typ == Problem.TYP_ULOHA:
+            inlines = [ReseniKProblemuInline, PohadkaKProblemuInline]
+        else:
+            inlines = [ReseniKProblemuInline]
+
+        return [inline(self.model, self.admin_site) for inline in inlines]
 
     def get_queryset(self, request):
         qs = super(ProblemZadanyAdmin, self).get_queryset(request)

seminar/migrations/0039_pohadka.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('seminar', '0038_change_meta_prispevek'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Pohadka',
+            fields=[
+                ('id', models.AutoField(serialize=False, primary_key=True)),
+                ('text', models.TextField(verbose_name='Text poh\xe1dky')),
+                ('pred', models.BooleanField(default=True, verbose_name='P\u0159ed \xfalohou')),
+                ('timestamp', models.DateTimeField(default=django.utils.timezone.now, verbose_name='Vytvo\u0159eno', editable=False, blank=True)),
+                ('autor', models.ForeignKey(verbose_name=b'Autor poh\xc3\xa1dky', to=settings.AUTH_USER_MODEL)),
+                ('uloha', models.ForeignKey(related_name='pohadky', verbose_name='\xdaloha', to='seminar.Problem')),
+            ],
+            options={
+                'ordering': ['uloha__cislo_zadani', 'uloha__kod', '-pred'],
+                'db_table': 'seminar_pohadky',
+                'verbose_name': 'Poh\xe1dka',
+                'verbose_name_plural': 'Poh\xe1dky',
+            },
+        ),
+    ]

seminar/models.py

@@ -585,6 +585,48 @@ class PrilohaReseni(SeminarModelBase):
     def __str__(self):
         return force_unicode(self.soubor)
 
+
+@python_2_unicode_compatible
+class Pohadka(SeminarModelBase):
+    u"""Kus pohádky před/za úlohou v čísle"""
+
+    class Meta:
+        db_table = 'seminar_pohadky'
+        verbose_name = u'Pohádka'
+        verbose_name_plural = u'Pohádky'
+        ordering = ['uloha__cislo_zadani', 'uloha__kod', '-pred']
+
+    # Interní ID
+    id = models.AutoField(primary_key=True)
+
+    text = models.TextField(u'Text pohádky')
+    uloha = models.ForeignKey(
+        Problem,
+        verbose_name=u'Úloha',
+        related_name='pohadky'
+    )
+
+    # Kusů pohádky je v čísle obvykle o 1 více, než úloh. Jeden bude za úlohou
+    # místo před ní.
+    pred = models.BooleanField(u'Před úlohou', default=True)
+
+    autor = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        verbose_name="Autor pohádky"
+    )
+
+    timestamp = models.DateTimeField(
+        u'Vytvořeno',
+        default=timezone.now,
+        blank=True,
+        editable=False
+    )
+
+    def __str__(self):
+        uryvek = self.text if len(self.text) < (50-3) else self.text[:50]+"..."
+        return force_unicode(uryvek)
+
+
 @reversion.register(ignore_duplicate_revisions=True)
 class Prispevek(SeminarModelBase):
     problem = models.ForeignKey(Problem, verbose_name='Problém') # TODO autokompleet