pagination_types.py
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#-*- coding:utf-8 -*-
from datetime import datetime
from dictionary.models import History, Lexeme, visible_vocabularies
import dictionary.forms as dictionary_forms
types = {}
def lexeme_history_list(params, user):
objects = History.objects.exclude(lexeme=None).distinct().values(
'lexeme', 'user', 'transaction_began')
lexemes = Lexeme.objects.filter(
owner_vocabulary__in=visible_vocabularies(user)).exclude(entry='')
for field, lookup, value in params['filters']:
if field == 'user':
if lookup == 'eq':
objects = objects.filter(user__pk=value)
elif lookup == 'ne':
objects = objects.exclude(user__username=value)
if field == 'time':
try:
date = datetime.strptime(value, '%d.%m.%Y')
if lookup == 'from':
objects = objects.filter(transaction_began__gte=date)
elif lookup == 'to':
objects = objects.filter(transaction_began__lte=date)
except ValueError:
pass
objects = objects.filter(lexeme__in=lexemes)
objects = objects.order_by(params['order_by'])
return objects
LEXEME_HISTORY_FILTERS = {
'user': (
u'Użytkownik',
[('eq', u'równy')],
dictionary_forms.UserFilterForm(),
),
'time': (
u'Data',
[('from', u'od'), ('to', u'do')],
dictionary_forms.TimeFilterForm(),
),
}
def dummy_perm(user, object, action):
return True
types['lexeme_history'] = (
lexeme_history_list,
'lexeme_history_item.html',
dummy_perm,
{},
LEXEME_HISTORY_FILTERS,
)