re2o/cotisations/views.py

# App de gestion des users pour re2o
# Goulven Kermarec, Gabriel Détraz
# Gplv2
from django.shortcuts import render, redirect
from django.shortcuts import render_to_response, get_object_or_404
from django.core.context_processors import csrf
from django.template import Context, RequestContext, loader
from django.contrib.auth.decorators import login_required
from django.contrib import messages
from django.db.models import Max, ProtectedError

from .models import Facture, Article, Cotisation, Paiement, Banque
from .forms import NewFactureForm, EditFactureForm, ArticleForm, DelArticleForm, PaiementForm, DelPaiementForm, BanqueForm, DelBanqueForm
from users.models import User
from .tex import render_tex

from dateutil.relativedelta import relativedelta
from django.utils import timezone

def form(ctx, template, request):
    c = ctx
    c.update(csrf(request))
    return render_to_response(template, c, context_instance=RequestContext(request))

def end_adhesion(user):
    """ Renvoie la date de fin d'adhésion d'un user, False sinon """
    date_max = Cotisation.objects.all().filter(facture=Facture.objects.all().filter(user=user).exclude(valid=False)).aggregate(Max('date_end'))['date_end__max']
    return date_max

def is_adherent(user):
    """ Renvoie si un user est à jour de cotisation """
    end = end_adhesion(user)
    if not end:
        return False
    elif end < timezone.now():
        return False
    else:
        return True

def create_cotis(facture, user, duration):
    """ Update et crée l'objet cotisation associé à une facture, prend en argument l'user, la facture pour la quantitéi, et l'article pour la durée"""
    cotisation=Cotisation(facture=facture)
    date_max = end_adhesion(user) or timezone.now()
    if date_max < timezone.now():
        datemax = timezone.now()
    cotisation.date_start=date_max
    cotisation.date_end = cotisation.date_start + relativedelta(months=duration) 
    cotisation.save()
    return

@login_required
def new_facture(request, userid):
    try:
        user = User.objects.get(pk=userid)
    except User.DoesNotExist:
        messages.error(request, u"Utilisateur inexistant" )
        return redirect("/cotisations/")
    facture = Facture(user=user)
    facture_form = NewFactureForm(request.POST or None, instance=facture)
    if facture_form.is_valid():
        new_facture = facture_form.save(commit=False)
        article = facture_form.cleaned_data['article']
        new_facture.prix = sum(art.prix for art in article)
        new_facture.name = ' - '.join(art.name for art in article)
        new_facture.save()
        if any(art.cotisation for art in article):
            duration = sum(art.duration*facture.number for art in article if art.cotisation)
            create_cotis(new_facture, user, duration)
            messages.success(request, "La cotisation a été prolongée pour l'adhérent %s " % user.name )
        else:
            messages.success(request, "La facture a été crée")
        return redirect("/users/profil/" + userid)
    return form({'factureform': facture_form}, 'cotisations/facture.html', request)

@login_required
def new_facture_pdf(request):
    return render_tex(request, 'cotisations/factures.tex', {'DATE':None})

@login_required
def edit_facture(request, factureid):
    try:
        facture = Facture.objects.get(pk=factureid)
    except Facture.DoesNotExist:
        messages.error(request, u"Facture inexistante" )
        return redirect("/cotisations/")
    facture_form = EditFactureForm(request.POST or None, instance=facture)
    if facture_form.is_valid():
        facture_form.save()
        messages.success(request, "La facture a bien été modifiée")
        return redirect("/cotisations/")
    return form({'factureform': facture_form}, 'cotisations/facture.html', request)

@login_required
def add_article(request):
    article = ArticleForm(request.POST or None)
    if article.is_valid():
        article.save()
        messages.success(request, "L'article a été ajouté")
        return redirect("/cotisations/index_article/")
    return form({'factureform': article}, 'cotisations/facture.html', request)

@login_required
def edit_article(request, articleid):
    try:
        article_instance = Article.objects.get(pk=articleid)
    except Article.DoesNotExist:
        messages.error(request, u"Entrée inexistante" )
        return redirect("/cotisations/index_article/")
    article = ArticleForm(request.POST or None, instance=article_instance)
    if article.is_valid():
        article.save()
        messages.success(request, "Type d'article modifié")
        return redirect("/cotisations/index_article/")
    return form({'factureform': article}, 'cotisations/facture.html', request)

@login_required
def del_article(request):
    article = DelArticleForm(request.POST or None)
    if article.is_valid():
        article_del = article.cleaned_data['articles']
        article_del.delete()
        messages.success(request, "Le/les articles ont été supprimé")
        return redirect("/cotisations/index_article")
    return form({'factureform': article}, 'cotisations/facture.html', request)

@login_required
def add_paiement(request):
    paiement = PaiementForm(request.POST or None)
    if paiement.is_valid():
        paiement.save()
        messages.success(request, "Le moyen de paiement a été ajouté")
        return redirect("/cotisations/index_paiement/")
    return form({'factureform': paiement}, 'cotisations/facture.html', request)

@login_required
def edit_paiement(request, paiementid):
    try:
        paiement_instance = Paiement.objects.get(pk=paiementid)
    except Paiement.DoesNotExist:
        messages.error(request, u"Entrée inexistante" )
        return redirect("/cotisations/index_paiement/")
    paiement = PaiementForm(request.POST or None, instance=paiement_instance)
    if paiement.is_valid():
        paiement.save()
        messages.success(request, "Type de paiement modifié")
        return redirect("/cotisations/index_paiement/")
    return form({'factureform': paiement}, 'cotisations/facture.html', request)

@login_required
def del_paiement(request):
    paiement = DelPaiementForm(request.POST or None)
    if paiement.is_valid():
        paiement_dels = paiement.cleaned_data['paiements']
        for paiement_del in paiement_dels:
            try:
                paiement_del.delete()
                messages.success(request, "Le moyen de paiement a été supprimé")
            except ProtectedError:
                messages.error(request, "Le moyen de paiement %s est affecté à au moins une facture, vous ne pouvez pas le supprimer" % paiement_del)
        return redirect("/cotisations/index_paiement/")
    return form({'factureform': paiement}, 'cotisations/facture.html', request)

@login_required
def add_banque(request):
    banque = BanqueForm(request.POST or None)
    if banque.is_valid():
        banque.save()
        messages.success(request, "La banque a été ajoutée")
        return redirect("/cotisations/index_banque/")
    return form({'factureform': banque}, 'cotisations/facture.html', request)

@login_required
def edit_banque(request, banqueid):
    try:
        banque_instance = Article.objects.get(pk=banqueid)
    except Banque.DoesNotExist:
        messages.error(request, u"Entrée inexistante" )
        return redirect("/cotisations/index_banque/")
    banque = BanqueForm(request.POST or None, instance=banque_instance)
    if banque.is_valid():
        banque.save()
        messages.success(request, "Banque modifiée")
        return redirect("/cotisations/index_banque/")
    return form({'factureform': banque}, 'cotisations/facture.html', request)

@login_required
def del_banque(request):
    banque = DelBanqueForm(request.POST or None)
    if banque.is_valid():
        banque_dels = banque.cleaned_data['banques']
        for banque_del in banque_dels:
            try:
                banque_del.delete()
                messages.success(request, "La banque a été supprimée")
            except ProtectedError:
                messages.error(request, "La banque %s est affectée à au moins une facture, vous ne pouvez pas la supprimer" % banque_del)
        return redirect("/cotisations/index_banque/")
    return form({'factureform': banque}, 'cotisations/facture.html', request)

@login_required
def index_article(request):
    article_list = Article.objects.order_by('name')
    return render(request, 'cotisations/index_article.html', {'article_list':article_list})

@login_required
def index_paiement(request):
    paiement_list = Paiement.objects.order_by('moyen')
    return render(request, 'cotisations/index_paiement.html', {'paiement_list':paiement_list})

@login_required
def index_banque(request):
    banque_list = Banque.objects.order_by('name')
    return render(request, 'cotisations/index_banque.html', {'banque_list':banque_list})

@login_required
def index(request):
    facture_list = Facture.objects.order_by('date').reverse()
    return render(request, 'cotisations/index.html', {'facture_list': facture_list})