forked from DGNum/gestioCOF
070752bd01
- Les charges et retraits sur des comptes modifient la balance de la
caisse sélectionnée.
- Comportement particulier pour le compte LIQ :
Pas de charge, pas de retrait. La balance de LIQ n'est jamais
modifiée (donc pas d'entrée dans AccountNegative). Les achats sur LIQ
modifient la balance de lacaisse.
546 lines
20 KiB
Python
546 lines
20 KiB
Python
from django.shortcuts import render, get_object_or_404, redirect
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from django.core.exceptions import PermissionDenied, ValidationError
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from django.views.generic import ListView, DetailView
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from django.views.generic.edit import CreateView, UpdateView, DeleteView
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from django.core.urlresolvers import reverse_lazy
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from django.contrib import messages
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from django.contrib.messages.views import SuccessMessageMixin
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from django.contrib.auth.decorators import login_required, permission_required
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from django.contrib.auth.models import User, Permission
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from django.http import HttpResponse, JsonResponse, Http404
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from django.forms import modelformset_factory
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from django.db import IntegrityError, transaction
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from django.utils import timezone
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from gestioncof.models import CofProfile, Clipper
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from kfet.models import Account, Checkout, Article, Settings, AccountNegative
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from kfet.forms import *
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from collections import defaultdict
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@login_required
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def home(request):
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return render(request, "kfet/base.html")
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def put_cleaned_data_in_dict(dict, form):
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for field in form.cleaned_data:
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dict[field] = form.cleaned_data[field]
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# -----
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# Account views
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# -----
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# Account - General
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@login_required
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@permission_required('kfet.is_team')
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def account(request):
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accounts = Account.objects.order_by('trigramme')
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return render(request, "kfet/account.html", { 'accounts' : accounts })
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@login_required
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@permission_required('kfet.is_team')
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def account_is_validandfree_ajax(request):
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if not request.GET.get("trigramme"):
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raise Http404
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trigramme = request.GET.get("trigramme")
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data = Account.is_validandfree(trigramme)
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return JsonResponse(data)
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# Account - Create
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@login_required
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@permission_required('kfet.is_team')
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def account_create(request):
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# A envoyer au template
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data_template = {
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'account_trigramme_form': AccountTriForm(),
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'errors' : {},
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}
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# Enregistrement
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if request.method == "POST":
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# Pour indiquer la tentative d'enregistrement au template
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# Checking permission
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if not request.user.has_perm('kfet.add_account'):
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raise PermissionDenied
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# Peuplement des forms
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username = request.POST.get('username')
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try:
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user = User.objects.get(username=username)
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(cof, _) = CofProfile.objects.get_or_create(user=user)
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user_form = UserForm(request.POST, instance=user)
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cof_form = CofForm(request.POST, instance=cof)
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except User.DoesNotExist:
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user_form = UserForm(request.POST)
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cof_form = CofForm(request.POST)
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trigramme_form = AccountTriForm(request.POST)
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account_form = AccountNoTriForm(request.POST)
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# Ajout des erreurs pour le template
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data_template['errors']['user_form'] = user_form.errors
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data_template['errors']['cof_form'] = cof_form.errors
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data_template['errors']['trigramme_form'] = trigramme_form.errors
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data_template['errors']['account_form'] = account_form.errors
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if all((user_form.is_valid(), cof_form.is_valid(),
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trigramme_form.is_valid(), account_form.is_valid())):
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data = {}
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# Fill data for Account.save()
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put_cleaned_data_in_dict(data, user_form)
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put_cleaned_data_in_dict(data, cof_form)
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try:
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account = trigramme_form.save(data = data)
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account_form = AccountNoTriForm(request.POST, instance=account)
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account_form.save()
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messages.success(request, 'Compte créé : %s' % account.trigramme)
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except Account.UserHasAccount as e:
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messages.error(request, \
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"Cet utilisateur a déjà un compte K-Fêt : %s" % e.trigramme)
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return render(request, "kfet/account_create.html", data_template)
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def account_form_set_readonly_fields(user_form, cof_form):
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user_form.fields['username'].widget.attrs['readonly'] = True
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cof_form.fields['login_clipper'].widget.attrs['readonly'] = True
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cof_form.fields['is_cof'].widget.attrs['disabled'] = True
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@login_required
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@permission_required('kfet.is_team')
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def account_create_ajax(request, username=None, login_clipper=None):
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user = None
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if login_clipper:
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# à partir d'un clipper
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# le user associé à ce clipper ne devrait pas encore existé
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clipper = get_object_or_404(Clipper, username = login_clipper)
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try:
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# Vérification que clipper ne soit pas déjà dans User
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user = User.objects.get(username=login_clipper)
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# Ici, on nous a menti, le user existe déjà
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username = user.username
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login_clipper = None
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except User.DoesNotExist:
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# Clipper (sans user déjà existant)
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# UserForm - Prefill + Création
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user_initial_data = {
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'username' : login_clipper,
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'email' : login_clipper + "@clipper.ens.fr"}
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if clipper.fullname:
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# Prefill du nom et prénom
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names = clipper.fullname.split()
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# Le premier, c'est le prénom
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user_initial_data['first_name'] = names[0]
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if len(names) > 1:
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# Si d'autres noms -> tous dans le nom de famille
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user_initial_data['last_name'] = " ".join(names[1:])
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user_form = UserForm(initial = user_initial_data)
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# CofForm - Prefill + Création
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cof_initial_data = { 'login_clipper': login_clipper }
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cof_form = CofForm(initial = cof_initial_data)
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# AccountForm
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account_form = AccountForm()
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# Protection (read-only) des champs username et login_clipper
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account_form_set_readonly_fields(user_form, cof_form)
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if username:
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# le user existe déjà
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user = get_object_or_404(User, username=username)
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# récupération du profil cof
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(cof, _) = CofProfile.objects.get_or_create(user=user)
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# UserForm + CofForm - Création à partir des instances existantes
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user_form = UserForm(instance = user)
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cof_form = CofForm(instance = cof)
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# AccountForm
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account_form = AccountNoTriForm()
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# Protection (read-only) des champs username et login_clipper
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account_form_set_readonly_fields(user_form, cof_form)
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elif not login_clipper:
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# connaît pas du tout, faut tout remplir
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user_form = UserForm()
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cof_form = CofForm()
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account_form = AccountNoTriForm()
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return render(request, "kfet/account_create_form.html", {
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'account_form' : account_form,
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'cof_form' : cof_form,
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'user_form' : user_form,
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})
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# Account - Read
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@login_required
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def account_read(request, trigramme):
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try:
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account = Account.objects.get(trigramme=trigramme)
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except Account.DoesNotExist:
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raise Http404
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# Checking permissions
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if not request.user.has_perm('kfet.is_team') \
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and request.user != account.user:
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raise PermissionDenied
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return render(request, "kfet/account_read.html", { 'account' : account })
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# Account - Update
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@login_required
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def account_update(request, trigramme):
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try:
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account = Account.objects.get(trigramme=trigramme)
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except Account.DoesNotExist:
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raise Http404
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# Checking permissions
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if not request.user.has_perm('kfet.is_team') \
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and request.user != account.user:
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raise PermissionDenied
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if request.method == "POST":
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# Update attempt
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# Checking permissions
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if not request.user.has_perm('kfet.change_account') \
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and request.user != account.user:
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raise PermissionDenied
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# Peuplement des forms
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if request.user.has_perm('kfet.change_account'):
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account_form = AccountForm(request.POST, instance = account)
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else:
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account_form = AccountRestrictForm(request.POST, instance = account)
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cof_form = CofRestrictForm(request.POST, instance=account.cofprofile)
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user_form = UserRestrictForm(request.POST, instance=account.user)
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if all((account_form.is_valid(), cof_form.is_valid(), user_form.is_valid())):
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data = {}
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# Fill data for Account.save()
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put_cleaned_data_in_dict(data, user_form)
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put_cleaned_data_in_dict(data, cof_form)
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# Updating
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account_form.save(data = data)
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if request.user == account.user:
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messages.success(request, \
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'Vos informations ont été mises à jour')
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else:
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messages.success(request, \
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'Informations du compte %s mises à jour' % account.trigramme)
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return redirect('kfet.account.read', account.trigramme)
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else:
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messages.error(request, \
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'Informations non mises à jour. Corrigez les erreurs')
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else:
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# No update attempt
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if request.user.has_perm('kfet.is_team'):
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account_form = AccountForm(instance = account)
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else:
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account_form = AccountRestrictForm(instance = account)
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cof_form = CofRestrictForm(instance = account.cofprofile)
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user_form = UserRestrictForm(instance = account.user)
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return render(request, "kfet/account_update.html", {
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'account' : account,
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'account_form' : account_form,
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'cof_form' : cof_form,
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'user_form' : user_form,
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})
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# -----
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# Checkout views
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# -----
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# Checkout - General
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class CheckoutList(ListView):
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model = Checkout
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template_name = 'kfet/checkout.html'
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context_object_name = 'checkouts'
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# Checkout - Create
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class CheckoutCreate(SuccessMessageMixin, CreateView):
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model = Checkout
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template_name = 'kfet/checkout_create.html'
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form_class = CheckoutForm
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success_message = 'Nouvelle caisse : %(name)s'
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# Surcharge de la validation
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def form_valid(self, form):
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# Checking permission
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if not self.request.user.has_perm('add_checkout'):
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raise PermissionDenied
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# Creating
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form.instance.created_by = self.request.user.profile.account_kfet
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return super(CheckoutCreate, self).form_valid(form)
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# Checkout - Read
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class CheckoutRead(DetailView):
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model = Checkout
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template_name = 'kfet/checkout_read.html'
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context_object_name = 'checkout'
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# Checkout - Update
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class CheckoutUpdate(SuccessMessageMixin, UpdateView):
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model = Checkout
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template_name = 'kfet/checkout_update.html'
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form_class = CheckoutRestrictForm
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success_message = 'Informations mises à jour pour la caisse : %(name)s'
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# Surcharge de la validation
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def form_valid(self, form):
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# Checking permission
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if not self.request.user.has_perm('change_checkout'):
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raise PermissionDenied
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# Updating
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return super(CheckoutUpdate, self).form_valid(form)
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# -----
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# Article views
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# -----
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# Article - General
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class ArticleList(ListView):
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model = Article
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queryset = Article.objects.order_by('category', '-is_sold', 'name')
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template_name = 'kfet/article.html'
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context_object_name = 'articles'
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# Article - Create
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class ArticleCreate(SuccessMessageMixin, CreateView):
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model = Article
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template_name = 'kfet/article_create.html'
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form_class = ArticleForm
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success_message = 'Nouvel item : %(category)s - %(name)s'
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# Surcharge de la validation
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def form_valid(self, form):
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# Checking permission
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if not self.request.user.has_perm('add_article'):
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raise PermissionDenied
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# Creating
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return super(ArticleCreate, self).form_valid(form)
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# Article - Read
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class ArticleRead(DetailView):
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model = Article
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template_name = 'kfet/article_read.html'
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context_object_name = 'article'
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# Article - Update
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class ArticleUpdate(UpdateView):
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model = Article
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template_name = 'kfet/article_update.html'
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form_class = ArticleRestrictForm
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success_message = "Informations mises à jour pour l'article : %(name)s"
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# Surcharge de la validation
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def form_valid(self, form):
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# Checking permission
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if not self.request.user.has_perm('change_article'):
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raise PermissionDenied
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# Updating
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return super(ArticleUpdate, self).form_valid(form)
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# -----
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# K-Psul
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# -----
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@permission_required('kfet.is_team')
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def kpsul(request):
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data = {}
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data['operationgroup_form'] = KPsulOperationGroupForm()
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data['trigramme_form'] = KPsulAccountForm()
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data['checkout_form'] = KPsulCheckoutForm()
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operation_formset = KPsulOperationFormSet(queryset=Operation.objects.none())
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data['operation_formset'] = operation_formset
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return render(request, 'kfet/kpsul.html', data)
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@permission_required('kfet.is_team')
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def kpsul_account_data(request):
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trigramme = request.POST.get('trigramme', '')
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account = get_object_or_404(Account, trigramme=trigramme)
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data = { 'pk': account.pk, 'name': account.name, 'email': account.email,
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'is_cof': account.is_cof, 'promo': account.promo,
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'balance': account.balance, 'is_frozen': account.is_frozen,
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'departement': account.departement, 'nickname': account.nickname }
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return JsonResponse(data)
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@permission_required('kfet.is_team')
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def kpsul_checkout_data(request):
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pk = request.POST.get('pk', 0)
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checkout = get_object_or_404(Checkout, pk=pk)
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data = { 'pk': checkout.pk, 'name': checkout.name, 'balance': checkout.balance,
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'valid_from': checkout.valid_from, 'valid_to': checkout.valid_to }
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return JsonResponse(data)
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@permission_required('kfet.is_team')
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def kpsul_perform_operations(request):
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# Initializing response data
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data = defaultdict(list)
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# Checking operationgroup
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operationgroup_form = KPsulOperationGroupForm(request.POST)
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if not operationgroup_form.is_valid():
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data['errors'].append({'operation_group': list(operationgroup_form.errors)})
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# Checking operation_formset
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operation_formset = KPsulOperationFormSet(request.POST)
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if not operation_formset.is_valid():
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data['errors'].append({'operations': list(operation_formset.errors) })
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# Returning BAD REQUEST if errors
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if 'errors' in data:
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return JsonResponse(data, status=400)
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# Pre-saving (no commit)
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operationgroup = operationgroup_form.save(commit = False)
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operations = operation_formset.save(commit = False)
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# Specific account's checking
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if operationgroup.on_acc.is_cash:
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for operation in operations:
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if operation.type in [Operation.DEPOSIT, Operation.WITHDRAW]:
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data['errors'].append(
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{'account': 'Charge et retrait impossible sur LIQ'})
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return JsonResponse(data, status=400)
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# Retrieving COF grant
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cof_grant = Settings.SUBVENTION_COF()
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# Retrieving addcosts data
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addcost_amount = Settings.ADDCOST_AMOUNT()
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addcost_for = Settings.ADDCOST_FOR()
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# Initializing vars
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required_perms = []
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cof_grant_divisor = 1 + cof_grant / 100
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is_addcost = (addcost_for and addcost_amount
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and addcost_for != operationgroup.on_acc)
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addcost_total = 0
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to_checkout_balance = 0
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# 1. Calculating amount of each PURCHASE operations
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# 1.1 Standard price for n articles
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# 1.2 Adding addcost if there is one
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# 1.3 Taking into account cof status
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# 2. Updating (no commit) stock of article for PURCHASE operations
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# 3. Calculating amount of operation group
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# 4. Adding required permissions to perform each operation
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# 5. Calculating total addcost
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# and adding addcost_for in operation instance
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# 6. Calculating diff for checkout's balance
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for operation in operations:
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if operation.type == Operation.PURCHASE:
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# 1.1
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operation.amount = - operation.article.price * operation.article_nb
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if is_addcost:
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# 1.2
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operation.addcost_amount = addcost_amount * operation.article_nb
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operation.amount -= operation.addcost_amount
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# 5
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addcost_total += operation.addcost_amount
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operation.addcost_for = addcost_for
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# 6
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if operationgroup.on_acc.is_cash:
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to_checkout_balance += -operation.amount
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# 1.3
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if operationgroup.on_acc.is_cof:
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operation.amount = operation.amount / cof_grant_divisor
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# 2
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operation.article.stock -= operation.article_nb
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else:
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# Ope.type is deposit or withdraw
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# 6 too
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to_checkout_balance += operation.amount
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# 3
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operationgroup.amount += operation.amount
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# 4
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if operation.type == Operation.DEPOSIT:
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required_perms.append('kfet.perform_deposit')
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# Starting transaction to ensure data consistency
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# Using select_for_update where it is critical
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try:
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with transaction.atomic():
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on_acc = operationgroup.on_acc
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on_acc = Account.objects.select_for_update().get(pk=on_acc.pk)
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# Adding required permissions to perform operation group
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(opegroup_perms, stop_ope) = on_acc.perms_to_perform_operation(
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amount = operationgroup.amount)
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required_perms += opegroup_perms
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# Checking authenticated user has all perms
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if stop_ope or not request.user.has_perms(required_perms):
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raise PermissionDenied
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# If 1 perm is required, saving who perform the operations
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if len(required_perms) > 0:
|
|
operationgroup.valid_by = request.user.profile.account_kfet
|
|
|
|
# Filling cof status for statistics
|
|
operationgroup.is_cof = on_acc.is_cof
|
|
|
|
# If not cash account,
|
|
# saving account's balance and adding to Negative if not in
|
|
if not on_acc.is_cash:
|
|
on_acc.balance += operationgroup.amount
|
|
on_acc.save()
|
|
if on_acc.balance < 0:
|
|
if hasattr(on_acc, 'negative'):
|
|
if not on_acc.negative.start:
|
|
on_acc.negative.start = timezone.now()
|
|
on_acc.negative.save()
|
|
else:
|
|
negative = AccountNegative(
|
|
account = on_acc, start = timezone.now())
|
|
negative.save()
|
|
elif (hasattr(on_acc, 'negative')
|
|
and not on_acc.negative.balance_offset):
|
|
on_acc.negative.delete()
|
|
|
|
# Updating checkout's balance
|
|
operationgroup.checkout.balance += to_checkout_balance
|
|
operationgroup.checkout.save()
|
|
|
|
# Saving addcost_for with new balance if there is one
|
|
if is_addcost:
|
|
addcost_for.balance += addcost_total
|
|
addcost_for.save()
|
|
|
|
# Saving operation group
|
|
operationgroup.save()
|
|
data['operationgroup'] = operationgroup.pk
|
|
|
|
# Filling operationgroup id for each operations and saving
|
|
# Saving articles with new stock
|
|
for operation in operations:
|
|
operation.group = operationgroup
|
|
operation.save()
|
|
if operation.type == Operation.PURCHASE:
|
|
operation.article.save()
|
|
data['operations'].append(operation.pk)
|
|
except PermissionDenied:
|
|
# Sending BAD_REQUEST with missing perms or url to manage negative
|
|
missing_perms = \
|
|
[ Permission.objects.get(codename=codename).name for codename in (
|
|
(perm.split('.'))[1] for perm in
|
|
required_perms if not request.user.has_perm(perm)
|
|
)]
|
|
if missing_perms:
|
|
data['errors'].append({'missing_perms': missing_perms })
|
|
if stop_ope:
|
|
data['errors'].append({'negative': 'url to manage negative'})
|
|
return JsonResponse(data, status=403)
|
|
|
|
return JsonResponse(data)
|