claudep/epcstages
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added a custom klass filter in the Student admin

Browse source
This commit is contained in:
Claude Paroz 2017-08-21 14:37:11 +02:00
parent 1562324234
commit 279b98171d
1 changed files with 11 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

12
stages/admin.py
View file

@ -5,6 +5,7 @@ import zipfile
from django import forms
from django.contrib import admin
from django.db import models
from django.db.models import Case, Count, When
from django.http import HttpResponse
from stages.models import (
@ -56,6 +57,15 @@ class ArchivedListFilter(admin.BooleanFieldListFilter):
return super().queryset(request, queryset)
class KlassRelatedListFilter(admin.RelatedFieldListFilter):
def field_choices(self, field, request, model_admin):
return [
(k.pk, k.name) for k in Klass.objects.annotate(
num_students=Count(Case(When(student__archived=False, then=1)))
).filter(num_students__gt=0).order_by('name')
]
class KlassAdmin(admin.ModelAdmin):
list_display = ('name', 'section')
ordering = ('name',)
@ -71,7 +81,7 @@ class TeacherAdmin(admin.ModelAdmin):
class StudentAdmin(admin.ModelAdmin):
list_display = ('__str__', 'pcode', 'city', 'klass', 'archived')
ordering = ('last_name', 'first_name')
list_filter = (('archived', ArchivedListFilter), 'klass')
list_filter = (('archived', ArchivedListFilter), ('klass', KlassRelatedListFilter))
search_fields = ('last_name', 'first_name', 'pcode', 'city', 'klass__name')
fields = (('last_name', 'first_name', 'ext_id'), ('street', 'pcode', 'city', 'district'),
('email', 'tel', 'mobile'), ('avs', 'birth_date'),