poulpe/equipment/tables.py
2018-08-20 13:17:10 +02:00

108 lines
4 KiB
Python

from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import Group
from django.db.models import Q
from django.http.request import QueryDict
import django_filters
from django_filters.widgets import LinkWidget
from django_tables2.utils import A
import django_tables2 as tables
from .models import Equipment, EquipmentCategory
class EquipmentFilter(django_filters.FilterSet):
owner = django_filters.ModelChoiceFilter(
field_name='owner',
queryset=Group.objects.all(),
widget=LinkWidget(),
)
category = django_filters.ModelChoiceFilter(
field_name='category',
queryset=EquipmentCategory.objects.all(),
widget=LinkWidget(),
method='filter_category',
)
def filter_category(self, queryset, name, value):
return queryset.in_category(value)
def get_categories(self, qs):
"""
rend les catégories qui servent à filtrer les Equipments de qs
ie les catégories des equipments et tous leurs parents
"""
filtre = Q(id__lt=0)
for eq in qs:
current = eq.category
for k in range(100):
if current is None:
break
filtre |= Q(id=current.id)
current = current.parent
return EquipmentCategory.objects.filter(filtre)
def __init__(self, data=None, queryset=None, *, request=None, prefix=None):
# On que les requêtes vides rendent quelque chose
if data is None:
data = QueryDict('category&owner')
super().__init__(data=data, queryset=queryset,
request=request, prefix=prefix)
if self.queryset is not None:
for filter_ in self.filters.values():
if filter_.queryset.model == Group:
own_ids = [eq.owner.id for eq in self.queryset]
filtre = Q(id__lt=0)
for own_id in own_ids:
filtre |= Q(id=own_id)
filter_.queryset = Group.objects.filter(filtre)
if filter_.queryset.model == EquipmentCategory:
filter_.queryset = self.get_categories(self.queryset)
class Meta:
model = Equipment
fields = ['category', 'owner']
class AbstractEquipmentTable(tables.Table):
stock_aviable_p = tables.Column(
accessor=A('stock_aviable_p'),
orderable=False, # TODO le rendre ordorable
verbose_name=_("Quantité disponible"),
)
full_category_p = tables.Column(
accessor=A('full_category_p'),
order_by=('category'),
verbose_name=_("Catégorie"),
)
name = tables.LinkColumn(
'equipment:detail',
args=[A('pk')],
verbose_name=_("Matériel"),
)
admin = tables.LinkColumn(
'admin:equipment_equipment_change',
attrs={
'a': {'class': 'glyphicon glyphicon-cog'}
},
text="",
orderable=False,
args=[A('pk')],
verbose_name=_(""),
)
def before_render(self, request):
if (request.user.is_staff and
request.user.has_perm('equipment_change_equipment')):
self.columns.show('admin')
else:
self.columns.hide('admin')
class EquipmentTable(AbstractEquipmentTable):
class Meta:
model = Equipment
template_name = 'equipment/tables/bootstrap-responsive.html'
fields = ['name', 'stock', 'owner', ]
sequence = ['admin', 'name', 'stock', 'stock_aviable_p',
'full_category_p', 'owner', ]