gestioCOF/gestioncof/autocomplete.py

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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
from django.conf import settings
from gestioncof.models import CofProfile
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from gestioncof.decorators import buro_required
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class Clipper(object):
def __init__(self, clipper, fullname):
if fullname is None:
fullname = ""
assert isinstance(clipper, str)
assert isinstance(fullname, str)
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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,
}
queries = {}
bits = q.split()
# Fetching data from User and CofProfile tables
queries['members'] = CofProfile.objects.filter(is_cof=True)
queries['users'] = User.objects.filter(profile__is_cof=False)
for bit in bits:
queries['members'] = queries['members'].filter(
Q(user__first_name__icontains=bit)
| Q(user__last_name__icontains=bit)
| Q(user__username__icontains=bit)
| Q(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('login_clipper', flat='True'))
| set(queries['users'].values_list('profile__login_clipper',
flat='True'))
)
# Fetching data from the SPI
if getattr(settings, 'LDAP_SERVER_URL', None):
# Fetching
ldap_query = '(&{:s})'.format(''.join(
'(|(cn=*{bit:s}*)(uid=*{bit:s}*))'.format(bit=bit)
for bit in bits if bit.isalnum()
))
if ldap_query != "(&)":
# If none of the bits were legal, we do not perform the query
entries = None
with Connection(settings.LDAP_SERVER_URL) as conn:
conn.search(
'dc=spi,dc=ens,dc=fr', ldap_query,
attributes=['uid', 'cn']
)
entries = conn.entries
# Clearing redundancies
queries['clippers'] = [
Clipper(entry.uid.value, entry.cn.value)
for entry in entries
if entry.uid.value
and entry.uid.value not in usernames
]
# Resulting data
data.update(queries)
data['options'] = sum(len(query) for query in queries)
return shortcuts.render(request, "autocomplete_user.html", data)