gestioCOF/gestioncof/autocomplete.py

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from django import shortcuts
from django.conf import settings
from django.contrib.auth.models import User
from django.db.models import Q
from django.http import Http404
from ldap3 import Connection
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from gestioncof.decorators import buro_required
from gestioncof.models import CofProfile
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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
def __str__(self):
return "{} ({})".format(self.clipper, self.fullname)
def __eq__(self, other):
return self.clipper == other.clipper and self.fullname == other.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)