aircox-radiocampus/aircox/admin/filters.py

45 lines
1.5 KiB
Python

from django.db import models
from django.contrib.admin import filters
from django.utils.translation import gettext_lazy as _
__all__ = ('DateFieldFilter', 'DateTimeField')
class DateFieldFilter(filters.FieldListFilter):
""" Display date input """
template = 'admin/aircox/filters/date_filter.html'
input_type = 'date'
def __init__(self, field, request, params, model, model_admin, field_path):
self.field_generic = '%s__' % field_path
self.date_params = {k: v for k, v in params.items()
if k.startswith(self.field_generic)}
self.links = ((_('Exact'), self.field_generic + 'exact'),
(_('Since'), self.field_generic + 'gte'),
(_('Until'), self.field_generic + 'lte'))
super().__init__(field, request, params, model, model_admin, field_path)
def expected_parameters(self):
return [link[1] for link in self.links]
def choices(self, changelist):
for link in self.links:
yield {'label': link[0],
'name': link[1],
'value': self.date_params.get(link[1]),
'type': self.input_type,}
class DateTimeFieldFilter(DateFieldFilter):
""" Display datetime input """
input_type = 'datetime'
filters.FieldListFilter.register(
lambda f: isinstance(f, models.DateField), DateFieldFilter, take_priority=True)
filters.FieldListFilter.register(
lambda f: isinstance(f, models.DateTimeField), DateTimeFieldFilter, take_priority=True)