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re2o/re2o/utils.py

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Python

# -*- mode: python; coding: utf-8 -*-
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2017 Gabriel Détraz
# Copyright © 2017 Goulven Kermarec
# Copyright © 2017 Augustin Lemesle
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# -*- coding: utf-8 -*-
# David Sinquin, Gabriel Détraz, Goulven Kermarec
"""
Regroupe les fonctions transversales utiles
Fonction :
- récupérer tous les utilisateurs actifs
- récupérer toutes les machines
- récupérer tous les bans
etc
"""
from __future__ import unicode_literals
from django.utils import timezone
from django.db.models import Q
from cotisations.models import Cotisation, Facture, Vente
from machines.models import Interface, Machine
from users.models import Adherent, User, Ban, Whitelist
from preferences.models import AssoOption
def all_adherent(search_time=None, including_asso=True):
""" Fonction renvoyant tous les users adherents. Optimisee pour n'est
qu'une seule requete sql
Inspecte les factures de l'user et ses cotisation, regarde si elles
sont posterieur à now (end_time)"""
if search_time is None:
search_time = timezone.now()
filter_user = (
Q(facture__in=Facture.objects.filter(
vente__in=Vente.objects.filter(
Q(type_cotisation='All') | Q(type_cotisation='Adhesion'),
cotisation__in=Cotisation.objects.filter(
vente__in=Vente.objects.filter(
facture__in=Facture.objects.all().exclude(valid=False)
)
).filter(Q(date_start__lt=search_time) & Q(date_end__gt=search_time))
)
)
))
if including_asso:
asso_user = AssoOption.get_cached_value('utilisateur_asso')
if asso_user:
filter_user |= Q(id=asso_user.id)
return User.objects.filter(filter_user).distinct()
def all_baned(search_time=None):
""" Fonction renvoyant tous les users bannis """
if search_time is None:
search_time = timezone.now()
return User.objects.filter(
ban__in=Ban.objects.filter(
Q(date_start__lt=search_time) & Q(date_end__gt=search_time)
)
).distinct()
def all_whitelisted(search_time=None):
""" Fonction renvoyant tous les users whitelistes """
if search_time is None:
search_time = timezone.now()
return User.objects.filter(
whitelist__in=Whitelist.objects.filter(
Q(date_start__lt=search_time) & Q(date_end__gt=search_time)
)
).distinct()
def all_has_access(search_time=None, including_asso=True):
""" Return all connected users : active users and whitelisted +
asso_user defined in AssoOption pannel
----
Renvoie tous les users beneficiant d'une connexion
: user adherent et whiteliste non banni plus l'utilisateur asso"""
if search_time is None:
search_time = timezone.now()
filter_user = (
Q(state=User.STATE_ACTIVE) &
~Q(ban__in=Ban.objects.filter(Q(date_start__lt=search_time) & Q(date_end__gt=search_time))) &
(Q(whitelist__in=Whitelist.objects.filter(Q(date_start__lt=search_time) & Q(date_end__gt=search_time))) |
Q(facture__in=Facture.objects.filter(
vente__in=Vente.objects.filter(
cotisation__in=Cotisation.objects.filter(
Q(type_cotisation='All') | Q(type_cotisation='Connexion'),
vente__in=Vente.objects.filter(
facture__in=Facture.objects.all()
.exclude(valid=False)
)
).filter(Q(date_start__lt=search_time) & Q(date_end__gt=search_time))
)
)))
)
if including_asso:
asso_user = AssoOption.get_cached_value('utilisateur_asso')
if asso_user:
filter_user |= Q(id=asso_user.id)
return User.objects.filter(filter_user).distinct()
def filter_active_interfaces(interface_set):
"""Filtre les machines autorisées à sortir sur internet dans une requête"""
return (interface_set
.filter(
machine__in=Machine.objects.filter(
user__in=all_has_access()
).filter(active=True)
).select_related('domain')
.select_related('machine')
.select_related('machine_type')
.select_related('ipv4')
.select_related('domain__extension')
.select_related('ipv4__ip_type')
.distinct())
def filter_complete_interfaces(interface_set):
"""Appel la fonction précédente avec un prefetch_related ipv6 en plus"""
return filter_active_interfaces(interface_set).prefetch_related('ipv6list')
def all_active_interfaces(full=False):
"""Renvoie l'ensemble des machines autorisées à sortir sur internet """
if full:
return filter_complete_interfaces(Interface.objects)
else:
return filter_active_interfaces(Interface.objects)
def all_active_assigned_interfaces(full=False):
""" Renvoie l'ensemble des machines qui ont une ipv4 assignées et
disposant de l'accès internet"""
return all_active_interfaces(full=full).filter(ipv4__isnull=False)
def all_active_interfaces_count():
""" Version light seulement pour compter"""
return Interface.objects.filter(
machine__in=Machine.objects.filter(
user__in=all_has_access()
).filter(active=True)
)
def all_active_assigned_interfaces_count():
""" Version light seulement pour compter"""
return all_active_interfaces_count().filter(ipv4__isnull=False)
def remove_user_room(room):
""" Déménage de force l'ancien locataire de la chambre """
try:
user = Adherent.objects.get(room=room)
except Adherent.DoesNotExist:
return
user.room = None
user.save()