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re2o/re2o/utils.py
Maël Kervella 8c2b2ca8df Fix #111 properly
2018-05-03 12:57:43 +00:00

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# -*- 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 django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from cotisations.models import Cotisation, Facture, Vente
from machines.models import Interface, Machine
from users.models import Adherent, User, Ban, Whitelist
# Mapping of srtftime format for better understanding
# https://docs.python.org/3.6/library/datetime.html#strftime-strptime-behavior
datetime_mapping={
'%a': '%a',
'%A': '%A',
'%w': '%w',
'%d': 'dd',
'%b': '%b',
'%B': '%B',
'%m': 'mm',
'%y': 'yy',
'%Y': 'yyyy',
'%H': 'HH',
'%I': 'HH(12h)',
'%p': 'AMPM',
'%M': 'MM',
'%S': 'SS',
'%f': 'µµ',
'%z': 'UTC(+/-HHMM)',
'%Z': 'UTC(TZ)',
'%j': '%j',
'%U': 'ww',
'%W': 'ww',
'%c': '%c',
'%x': '%x',
'%X': '%X',
'%%': '%%',
}
def convert_datetime_format(format):
i=0
new_format = ""
while i < len(format):
if format[i] == '%':
char = format[i:i+2]
new_format += datetime_mapping.get(char, char)
i += 2
else:
new_format += format[i]
i += 1
return new_format
def all_adherent(search_time=None):
""" 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()
return User.objects.filter(
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(date_end__gt=search_time)
)
)
).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(
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(
date_end__gt=search_time
)
).distinct()
def all_has_access(search_time=None):
""" Renvoie tous les users beneficiant d'une connexion
: user adherent ou whiteliste et non banni """
if search_time is None:
search_time = timezone.now()
return User.objects.filter(
Q(state=User.STATE_ACTIVE) &
~Q(ban__in=Ban.objects.filter(date_end__gt=search_time)) &
(Q(whitelist__in=Whitelist.objects.filter(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(date_end__gt=search_time)
)
)))
).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('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)
class SortTable:
""" Class gathering uselful stuff to sort the colums of a table, according
to the column and order requested. It's used with a dict of possible
values and associated model_fields """
# All the possible possible values
# The naming convention is based on the URL or the views function
# The syntax to describe the sort to apply is a dict where the keys are
# the url value and the values are a list of model field name to use to
# order the request. They are applied in the order they are given.
# A 'default' might be provided to specify what to do if the requested col
# doesn't match any keys.
USERS_INDEX = {
'user_name': ['name'],
'user_surname': ['surname'],
'user_pseudo': ['pseudo'],
'user_room': ['room'],
'default': ['state', 'pseudo']
}
USERS_INDEX_BAN = {
'ban_user': ['user__pseudo'],
'ban_start': ['date_start'],
'ban_end': ['date_end'],
'default': ['-date_end']
}
USERS_INDEX_WHITE = {
'white_user': ['user__pseudo'],
'white_start': ['date_start'],
'white_end': ['date_end'],
'default': ['-date_end']
}
USERS_INDEX_SCHOOL = {
'school_name': ['name'],
'default': ['name']
}
MACHINES_INDEX = {
'machine_name': ['name'],
'default': ['pk']
}
COTISATIONS_INDEX = {
'cotis_user': ['user__pseudo'],
'cotis_paiement': ['paiement__moyen'],
'cotis_date': ['date'],
'cotis_id': ['id'],
'default': ['-date']
}
COTISATIONS_CONTROL = {
'control_name': ['user__adherent__name'],
'control_surname': ['user__surname'],
'control_paiement': ['paiement'],
'control_date': ['date'],
'control_valid': ['valid'],
'control_control': ['control'],
'control_id': ['id'],
'control_user-id': ['user__id'],
'default': ['-date']
}
TOPOLOGIE_INDEX = {
'switch_dns': ['interface__domain__name'],
'switch_ip': ['interface__ipv4__ipv4'],
'switch_loc': ['switchbay__name'],
'switch_ports': ['number'],
'switch_stack': ['stack__name'],
'default': ['switchbay', 'stack', 'stack_member_id']
}
TOPOLOGIE_INDEX_PORT = {
'port_port': ['port'],
'port_room': ['room__name'],
'port_interface': ['machine_interface__domain__name'],
'port_related': ['related__switch__name'],
'port_radius': ['radius'],
'port_vlan': ['vlan_force__name'],
'default': ['port']
}
TOPOLOGIE_INDEX_ROOM = {
'room_name': ['name'],
'default': ['name']
}
TOPOLOGIE_INDEX_BUILDING = {
'building_name': ['name'],
'default': ['name']
}
TOPOLOGIE_INDEX_BORNE = {
'ap_name': ['interface__domain__name'],
'ap_ip': ['interface__ipv4__ipv4'],
'ap_mac': ['interface__mac_address'],
'default': ['interface__domain__name']
}
TOPOLOGIE_INDEX_STACK = {
'stack_name': ['name'],
'stack_id': ['stack_id'],
'default': ['stack_id'],
}
TOPOLOGIE_INDEX_MODEL_SWITCH = {
'model-switch_name': ['reference'],
'model-switch_contructor': ['constructor__name'],
'default': ['reference'],
}
TOPOLOGIE_INDEX_SWITCH_BAY = {
'switch-bay_name': ['name'],
'switch-bay_building': ['building__name'],
'default': ['name'],
}
TOPOLOGIE_INDEX_CONSTRUCTOR_SWITCH = {
'constructor-switch_name': ['name'],
'default': ['name'],
}
LOGS_INDEX = {
'sum_date': ['revision__date_created'],
'default': ['-revision__date_created'],
}
LOGS_STATS_LOGS = {
'logs_author': ['user__name'],
'logs_date': ['date_created'],
'default': ['-date_created']
}
@staticmethod
def sort(request, col, order, values):
""" Check if the given values are possible and add .order_by() and
a .reverse() as specified according to those values """
fields = values.get(col, None)
if not fields:
fields = values.get('default', [])
request = request.order_by(*fields)
if values.get(col, None) and order == 'desc':
return request.reverse()
else:
return request
def re2o_paginator(request, query_set, pagination_number):
"""Paginator script for list display in re2o.
:request:
:query_set: Query_set to paginate
:pagination_number: Number of entries to display"""
paginator = Paginator(query_set, pagination_number)
page = request.GET.get('page')
try:
results = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
results = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
results = paginator.page(paginator.num_pages)
return results
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()
def get_input_formats_help_text(input_formats):
"""Returns a help text about the possible input formats"""
if len(input_formats) > 1:
help_text_template="Format: {main} {more}"
else:
help_text_template="Format: {main}"
more_text_template="<i class=\"fa fa-question-circle\" title=\"{}\"></i>"
help_text = help_text_template.format(
main=convert_datetime_format(input_formats[0]),
more=more_text_template.format(
'\n'.join(map(convert_datetime_format, input_formats))
)
)
return help_text
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