kpsul/cof/autocomplete.py

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# -*- coding: utf-8 -*-
from ldap3 import Connection
from django import shortcuts
from django.http import Http404
from django.db.models import Q
from django.contrib.auth.models import User, Group
from .decorators import buro_required
from django.conf import settings
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class Clipper(object):
def __init__(self, clipper, fullname):
self.clipper = clipper
self.fullname = fullname
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@buro_required
def autocomplete(request):
if "q" not in request.GET:
raise Http404
q = request.GET['q']
data = {'q': q}
cof_members = Group.objects.get(name="cof_members")
queries = {}
bits = q.split()
# Fetching data from User and Profile tables
queries['members'] = User.objects.filter(groups=cof_members)
queries['users'] = User.objects.exclude(groups=cof_members)
for bit in bits:
queries['members'] = queries['members'].filter(
Q(first_name__icontains=bit)
| Q(last_name__icontains=bit)
| Q(username__icontains=bit)
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| Q(profile__login_clipper__icontains=bit))
queries['users'] = queries['users'].filter(
Q(first_name__icontains=bit)
| Q(last_name__icontains=bit)
| Q(username__icontains=bit))
queries['members'] = queries['members'].distinct()
queries['users'] = queries['users'].distinct()
# Clearing redundancies
usernames = (
set(queries['members'].values_list('profile__login_clipper',
flat='True'))
| set(queries['users'].values_list('profile__login_clipper',
flat='True'))
)
# Fetching data from the SPI
if hasattr(settings, 'LDAP_SERVER_URL'):
# Fetching
ldap_query = '(|{:s})'.format(''.join(
['(cn=*{bit:s}*)(uid=*{bit:s}*)'.format(bit=bit)
for bit in bits]
))
with Connection(settings.LDAP_SERVER_URL) as conn:
conn.search(
'dc=spi,dc=ens,dc=fr', ldap_query,
attributes=['uid', 'cn']
)
queries['clippers'] = conn.entries
# Clearing redundancies
queries['clippers'] = [
Clipper(clipper.uid, clipper.cn)
for clipper in queries['clippers']
if str(clipper.uid) not in usernames
]
# Resulting data
data.update(queries)
data['options'] = any(bool(query) for query in queries.values())
return shortcuts.render(request, "cof/autocomplete_user.html", data)