Add Cost Estimates

cotisations/admin.py

@@ -30,7 +30,7 @@ from django.contrib import admin
 from reversion.admin import VersionAdmin
 
 from .models import Facture, Article, Banque, Paiement, Cotisation, Vente
-from .models import CustomInvoice
+from .models import CustomInvoice, CostEstimate
 
 
 class FactureAdmin(VersionAdmin):
@@ -38,6 +38,11 @@ class FactureAdmin(VersionAdmin):
     pass
 
 
+class CostEstimateAdmin(VersionAdmin):
+    """Admin class for cost estimates."""
+    pass
+
+
 class CustomInvoiceAdmin(VersionAdmin):
     """Admin class for custom invoices."""
     pass
@@ -76,3 +81,4 @@ admin.site.register(Paiement, PaiementAdmin)
 admin.site.register(Vente, VenteAdmin)
 admin.site.register(Cotisation, CotisationAdmin)
 admin.site.register(CustomInvoice, CustomInvoiceAdmin)
+admin.site.register(CostEstimate, CostEstimateAdmin)

cotisations/forms.py

@@ -46,7 +46,10 @@ from django.shortcuts import get_object_or_404
 
 from re2o.field_permissions import FieldPermissionFormMixin
 from re2o.mixins import FormRevMixin
-from .models import Article, Paiement, Facture, Banque, CustomInvoice, Vente
+from .models import (
+    Article, Paiement, Facture, Banque,
+    CustomInvoice, Vente, CostEstimate
+)
 from .payment_methods import balance
 
 
@@ -153,6 +156,15 @@ class CustomInvoiceForm(FormRevMixin, ModelForm):
         fields = '__all__'
 
 
+class CostEstimateForm(FormRevMixin, ModelForm):
+    """
+    Form used to create a cost estimate.
+    """
+    class Meta:
+        model = CostEstimate
+        exclude = ['paid', 'final_invoice']
+
+
 class ArticleForm(FormRevMixin, ModelForm):
     """
     Form used to create an article.

cotisations/migrations/0037_costestimate.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-12-29 21:03
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cotisations', '0036_custominvoice_remark'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CostEstimate',
+            fields=[
+                ('custominvoice_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='cotisations.CustomInvoice')),
+                ('validity', models.DurationField(verbose_name='Period of validity')),
+                ('final_invoice', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='origin_cost_estimate', to='cotisations.CustomInvoice')),
+            ],
+            options={
+                'permissions': (('view_costestimate', 'Can view a cost estimate object'),),
+            },
+            bases=('cotisations.custominvoice',),
+        ),
+    ]

cotisations/migrations/0038_auto_20181231_1657.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-12-31 22:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cotisations', '0037_costestimate'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='costestimate',
+            name='final_invoice',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='origin_cost_estimate', to='cotisations.CustomInvoice'),
+        ),
+        migrations.AlterField(
+            model_name='costestimate',
+            name='validity',
+            field=models.DurationField(help_text='DD HH:MM:SS', verbose_name='Period of validity'),
+        ),
+        migrations.AlterField(
+            model_name='custominvoice',
+            name='paid',
+            field=models.BooleanField(default=False, verbose_name='Paid'),
+        ),
+    ]

cotisations/models.py

@@ -284,7 +284,8 @@ class CustomInvoice(BaseInvoice):
         verbose_name=_("Address")
     )
     paid = models.BooleanField(
-        verbose_name=_("Paid")
+        verbose_name=_("Paid"),
+        default=False
     )
     remark = models.TextField(
         verbose_name=_("Remark"),
@@ -293,6 +294,57 @@ class CustomInvoice(BaseInvoice):
     )
 
 
+class CostEstimate(CustomInvoice):
+    class Meta:
+        permissions = (
+            ('view_costestimate', _("Can view a cost estimate object")),
+        )
+    validity = models.DurationField(
+        verbose_name=_("Period of validity"),
+        help_text="DD HH:MM:SS"
+    )
+    final_invoice = models.ForeignKey(
+        CustomInvoice,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="origin_cost_estimate",
+        primary_key=False
+    )
+
+    def create_invoice(self):
+        """Create a CustomInvoice from the CostEstimate."""
+        if self.final_invoice is not None:
+            return self.final_invoice
+        invoice = CustomInvoice()
+        invoice.recipient = self.recipient
+        invoice.payment = self.payment
+        invoice.address = self.address
+        invoice.paid = False
+        invoice.remark = self.remark
+        invoice.date = timezone.now()
+        invoice.save()
+        self.final_invoice = invoice
+        self.save()
+        for sale in self.vente_set.all():
+            Vente.objects.create(
+                facture=invoice,
+                name=sale.name,
+                prix=sale.prix,
+                number=sale.number,
+            )
+        return invoice
+
+    def can_delete(self, user_request, *args, **kwargs):
+        if not user_request.has_perm('cotisations.delete_costestimate'):
+            return False, _("You don't have the right "
+                            "to delete a cost estimate.")
+        if self.final_invoice is not None:
+            return False, _("The cost estimate has an "
+                            "invoice and cannot be deleted.")
+        return True, None
+
+
 # TODO : change Vente to Purchase
 class Vente(RevMixin, AclMixin, models.Model):
     """

cotisations/templates/cotisations/aff_cost_estimate.html

@@ -0,0 +1,101 @@
+{% comment %}
+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 © 2018  Hugo Levy-Falk
+
+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.
+{% endcomment %}
+{% load i18n %}
+{% load acl %}
+{% load logs_extra %}
+{% load design %}
+
+<div class="table-responsive">
+    {% if cost_estimate_list.paginator %}
+    {% include 'pagination.html' with list=cost_estimate_list%}
+    {% endif %}
+
+    <table class="table table-striped">
+        <thead>
+            <tr>
+                <th>
+                    {% trans "Recipient" as tr_recip %}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='user' text=tr_user %}
+                </th>
+                <th>{% trans "Designation" %}</th>
+                <th>{% trans "Total price" %}</th>
+                <th>
+                    {% trans "Payment method" as tr_payment_method %}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='payement' text=tr_payment_method %}
+                </th>
+                <th>
+                    {% trans "Date" as tr_date %}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='date' text=tr_date %}
+                </th>
+                <th>
+                    {% trans "Validity" as tr_validity %}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='validity' text=tr_validity %}
+                </th>
+                <th>
+                    {% trans "Cost estimate ID" as tr_estimate_id %}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='id' text=tr_estimate_id %}
+                </th>
+                <th>
+                    {% trans "Invoice created" as tr_invoice_created%}
+                    {% include 'buttons/sort.html' with prefix='invoice' col='paid' text=tr_invoice_created %}
+                </th>
+                <th></th>
+                <th></th>
+            </tr>
+        </thead>
+        {% for estimate in cost_estimate_list %}
+        <tr>
+            <td>{{ estimate.recipient }}</td>
+            <td>{{ estimate.name }}</td>
+            <td>{{ estimate.prix_total }}</td>
+            <td>{{ estimate.payment }}</td>
+            <td>{{ estimate.date }}</td>
+            <td>{{ estimate.validity }}</td>
+            <td>{{ estimate.id }}</td>
+            <td>
+                {% if estimate.final_invoice %}
+                <a href="{% url 'cotisations:edit-custom-invoice' estimate.final_invoice.pk %}"><i style="color: #1ECA18;" class="fa fa-check"></i></a>
+                {% else %}
+                <i style="color: #D10115;" class="fa fa-times"></i>'
+                {% endif %}
+            </td>
+            <td>
+                {% can_edit estimate %}
+                {% include 'buttons/edit.html' with href='cotisations:edit-cost-estimate' id=estimate.id %}
+                {% acl_end %}
+                {% history_button estimate %}
+                {% include 'buttons/suppr.html' with href='cotisations:del-cost-estimate' id=estimate.id %}
+                <a class="btn btn-primary btn-sm" role="button" href="{% url 'cotisations:cost-estimate-to-invoice' estimate.id %}">
+                    <i class="fa fa-file"></i>
+                </a>
+                <a class="btn btn-primary btn-sm" role="button" href="{% url 'cotisations:cost-estimate-pdf' estimate.id %}">
+                    <i class="fa fa-file-pdf-o"></i> {% trans "PDF" %}
+                </a>
+            </td>
+        </tr>
+        {% endfor %}
+    </table>
+
+    {% if custom_invoice_list.paginator %}
+    {% include 'pagination.html' with list=custom_invoice_list %}
+    {% endif %}
+</div>

cotisations/templates/cotisations/edit_facture.html

@@ -35,7 +35,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 <form class="form" method="post">
     {% csrf_token %}
+    {% if title %}
+    <h3>{{title}}</h3>
+    {% else %}
     <h3>{% trans "Edit the invoice" %}</h3>
+    {% endif %}
     {% massive_bootstrap_form factureform 'user' %}
     {{ venteform.management_form }}
     <h3>{% trans "Articles" %}</h3>

cotisations/templates/cotisations/factures.tex

@@ -75,8 +75,12 @@
         {\bf Pour :} {{recipient_name|safe}} & {\bf Date :} {{DATE}} \\
         {\bf Adresse :} {% if address is None %}Aucune adresse renseignée{% else %}{{address}}{% endif %} & \\
         {% if fid is not None %}
+        {% if is_estimate %}
+        {\bf Devis n\textsuperscript{o} :} {{ fid }} & \\
+        {% else %}
         {\bf Facture n\textsuperscript{o} :} {{ fid }} & \\
         {% endif %}
+        {% endif %}
     \end{tabular*}
     \\
 
@@ -104,9 +108,11 @@
         \begin{tabular}{|l|r|}
             \hline
             \textbf{Total} & {{total|floatformat:2}} \euro \\
+            {% if not is_estimate %}
             \textbf{Votre règlement} & {% if paid %}{{total|floatformat:2}}{% else %} 00,00 {% endif %} \euro \\
             \doublehline
             \textbf{À PAYER} & {% if not paid %}{{total|floatformat:2}}{% else %} 00,00 {% endif %} \euro\\
+            {% endif %}
             \hline
         \end{tabular}
 
@@ -119,6 +125,10 @@
         \textbf{Remarque} & {{remark|safe}} \\
         \hline
         {% endif %}
+        {% if end_validity %}
+        \textbf{Validité} & Jusqu'au {{end_validity}} \\
+        \hline
+        {% endif %}
     \end{tabularx}
 
 

cotisations/templates/cotisations/index_cost_estimate.html

@@ -0,0 +1,36 @@
+{% extends "cotisations/sidebar.html" %}
+{% comment %}
+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.
+{% endcomment %}
+{% load acl %}
+{% load i18n %}
+
+{% block title %}{% trans "Cost estimates" %}{% endblock %}
+
+{% block content %}
+<h2>{% trans "Cost estimates list" %}</h2>
+{% can_create CostEstimate %}
+{% include "buttons/add.html" with href='cotisations:new-cost-estimate'%}
+{% acl_end %}
+{% include 'cotisations/aff_cost_estimate.html' %}
+{% endblock %}

cotisations/templates/cotisations/sidebar.html

@@ -45,6 +45,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
         <i class="fa fa-list-ul"></i> {% trans "Custom invoices" %}
     </a>
     {% acl_end %}
+    {% can_view_all CostEstimate %}
+    <a class="list-group-item list-group-item-info" href="{% url "cotisations:index-cost-estimate" %}">
+        <i class="fa fa-list-ul"></i> {% trans "Cost estimate" %}
+    </a>
+    {% acl_end %}
     {% can_view_all Article %}
     <a class="list-group-item list-group-item-info" href="{% url "cotisations:index-article" %}">
         <i class="fa fa-list-ul"></i> {% trans "Available articles" %}

cotisations/tex.py

@@ -49,8 +49,9 @@ def render_invoice(_request, ctx={}):
     Render an invoice using some available information such as the current
     date, the user, the articles, the prices, ...
     """
+    is_estimate = ctx.get('is_estimate', False)
     filename = '_'.join([
-        'invoice',
+        'cost_estimate' if is_estimate else 'invoice',
         slugify(ctx.get('asso_name', "")),
         slugify(ctx.get('recipient_name', "")),
         str(ctx.get('DATE', datetime.now()).year),

cotisations/urls.py

@@ -51,11 +51,41 @@ urlpatterns = [
         views.facture_pdf,
         name='facture-pdf'
     ),
+    url(
+        r'^new_cost_estimate/$',
+        views.new_cost_estimate,
+        name='new-cost-estimate'
+    ),
+    url(
+        r'^index_cost_estimate/$',
+        views.index_cost_estimate,
+        name='index-cost-estimate'
+    ),
+    url(
+        r'^cost_estimate_pdf/(?P<costestimateid>[0-9]+)$',
+        views.cost_estimate_pdf,
+        name='cost-estimate-pdf',
+    ),
     url(
         r'^index_custom_invoice/$',
         views.index_custom_invoice,
         name='index-custom-invoice'
     ),
+    url(
+        r'^edit_cost_estimate/(?P<costestimateid>[0-9]+)$',
+        views.edit_cost_estimate,
+        name='edit-cost-estimate'
+    ),
+    url(
+        r'^cost_estimate_to_invoice/(?P<costestimateid>[0-9]+)$',
+        views.cost_estimate_to_invoice,
+        name='cost-estimate-to-invoice'
+    ),
+    url(
+        r'^del_cost_estimate/(?P<costestimateid>[0-9]+)$',
+        views.del_cost_estimate,
+        name='del-cost-estimate'
+    ),
     url(
         r'^new_custom_invoice/$',
         views.new_custom_invoice,

cotisations/views.py

@@ -68,7 +68,8 @@ from .models import (
     Paiement,
     Banque,
     CustomInvoice,
-    BaseInvoice
+    BaseInvoice,
+    CostEstimate
 )
 from .forms import (
     FactureForm,
@@ -81,7 +82,8 @@ from .forms import (
     SelectArticleForm,
     RechargeForm,
     CustomInvoiceForm,
-    DiscountForm
+    DiscountForm,
+    CostEstimateForm,
 )
 from .tex import render_invoice, escape_chars
 from .payment_methods.forms import payment_method_factory
@@ -179,7 +181,58 @@ def new_facture(request, user, userid):
     )
 
 
-# TODO : change facture to invoice
+@login_required
+@can_create(CostEstimate)
+def new_cost_estimate(request):
+    """
+    View used to generate a custom invoice. It's mainly used to
+    get invoices that are not taken into account, for the administrative
+    point of view.
+    """
+    # The template needs the list of articles (for the JS part)
+    articles = Article.objects.filter(
+        Q(type_user='All') | Q(type_user=request.user.class_name)
+    )
+    # Building the invocie form and the article formset
+    cost_estimate_form = CostEstimateForm(request.POST or None)
+
+    articles_formset = formset_factory(SelectArticleForm)(
+        request.POST or None,
+        form_kwargs={'user': request.user}
+    )
+    discount_form = DiscountForm(request.POST or None)
+
+    if cost_estimate_form.is_valid() and articles_formset.is_valid() and discount_form.is_valid():
+        cost_estimate_instance = cost_estimate_form.save()
+        for art_item in articles_formset:
+            if art_item.cleaned_data:
+                article = art_item.cleaned_data['article']
+                quantity = art_item.cleaned_data['quantity']
+                Vente.objects.create(
+                    facture=cost_estimate_instance,
+                    name=article.name,
+                    prix=article.prix,
+                    type_cotisation=article.type_cotisation,
+                    duration=article.duration,
+                    number=quantity
+                )
+        discount_form.apply_to_invoice(cost_estimate_instance)
+        messages.success(
+            request,
+            _("The cost estimate was created.")
+        )
+        return redirect(reverse('cotisations:index-cost-estimate'))
+
+    return form({
+        'factureform': cost_estimate_form,
+        'action_name': _("Confirm"),
+        'articlesformset': articles_formset,
+        'articlelist': articles,
+        'discount_form': discount_form,
+        'title': _("Cost estimate"),
+    }, 'cotisations/facture.html', request)
+
+
 @login_required
 @can_create(CustomInvoice)
 def new_custom_invoice(request):
@@ -336,6 +389,55 @@ def del_facture(request, facture, **_kwargs):
     }, 'cotisations/delete.html', request)
 
 
+@login_required
+@can_edit(CostEstimate)
+def edit_cost_estimate(request, invoice, **kwargs):
+    # Building the invocie form and the article formset
+    invoice_form = CostEstimateForm(
+        request.POST or None,
+        instance=invoice
+    )
+    purchases_objects = Vente.objects.filter(facture=invoice)
+    purchase_form_set = modelformset_factory(
+        Vente,
+        fields=('name', 'number'),
+        extra=0,
+        max_num=len(purchases_objects)
+    )
+    purchase_form = purchase_form_set(
+        request.POST or None,
+        queryset=purchases_objects
+    )
+    if invoice_form.is_valid() and purchase_form.is_valid():
+        if invoice_form.changed_data:
+            invoice_form.save()
+        purchase_form.save()
+        messages.success(
+            request,
+            _("The cost estimate was edited.")
+        )
+        return redirect(reverse('cotisations:index-cost-estimate'))
+
+    return form({
+        'factureform': invoice_form,
+        'venteform': purchase_form,
+        'title': "Edit the cost estimate"
+    }, 'cotisations/edit_facture.html', request)
+
+
+@login_required
+@can_edit(CostEstimate)
+@can_create(CustomInvoice)
+def cost_estimate_to_invoice(request, cost_estimate, **_kwargs):
+    """Create a custom invoice from a cos estimate"""
+    cost_estimate.create_invoice()
+    messages.success(
+        request,
+        _("An invoice was successfully created from your cost estimate.")
+    )
+    return redirect(reverse('cotisations:index-custom-invoice'))
+
+
 @login_required
 @can_edit(CustomInvoice)
 def edit_custom_invoice(request, invoice, **kwargs):
@@ -371,6 +473,68 @@ def edit_custom_invoice(request, invoice, **kwargs):
     }, 'cotisations/edit_facture.html', request)
 
 
+@login_required
+@can_view(CostEstimate)
+def cost_estimate_pdf(request, invoice, **_kwargs):
+    """
+    View used to generate a PDF file from an existing cost estimate in database
+    Creates a line for each Purchase (thus article sold) and generate the
+    invoice with the total price, the payment method, the address and the
+    legal information for the user.
+    """
+    # TODO : change vente to purchase
+    purchases_objects = Vente.objects.all().filter(facture=invoice)
+    # Get the article list and build an list out of it
+    # contiaining (article_name, article_price, quantity, total_price)
+    purchases_info = []
+    for purchase in purchases_objects:
+        purchases_info.append({
+            'name': escape_chars(purchase.name),
+            'price': purchase.prix,
+            'quantity': purchase.number,
+            'total_price': purchase.prix_total
+        })
+    return render_invoice(request, {
+        'paid': invoice.paid,
+        'fid': invoice.id,
+        'DATE': invoice.date,
+        'recipient_name': invoice.recipient,
+        'address': invoice.address,
+        'article': purchases_info,
+        'total': invoice.prix_total(),
+        'asso_name': AssoOption.get_cached_value('name'),
+        'line1': AssoOption.get_cached_value('adresse1'),
+        'line2': AssoOption.get_cached_value('adresse2'),
+        'siret': AssoOption.get_cached_value('siret'),
+        'email': AssoOption.get_cached_value('contact'),
+        'phone': AssoOption.get_cached_value('telephone'),
+        'tpl_path': os.path.join(settings.BASE_DIR, LOGO_PATH),
+        'payment_method': invoice.payment,
+        'remark': invoice.remark,
+        'end_validity': invoice.date + invoice.validity,
+        'is_estimate': True,
+    })
+
+
+@login_required
+@can_delete(CostEstimate)
+def del_cost_estimate(request, estimate, **_kwargs):
+    """
+    View used to delete an existing invocie.
+    """
+    if request.method == "POST":
+        estimate.delete()
+        messages.success(
+            request,
+            _("The cost estimate was deleted.")
+        )
+        return redirect(reverse('cotisations:index-cost-estimate'))
+    return form({
+        'objet': estimate,
+        'objet_name': _("Cost Estimate")
+    }, 'cotisations/delete.html', request)
+
+
 @login_required
 @can_view(CustomInvoice)
 def custom_invoice_pdf(request, invoice, **_kwargs):
@@ -412,7 +576,6 @@ def custom_invoice_pdf(request, invoice, **_kwargs):
     })
 
 
-# TODO : change facture to invoice
 @login_required
 @can_delete(CustomInvoice)
 def del_custom_invoice(request, invoice, **_kwargs):
@@ -763,12 +926,35 @@ def index_banque(request):
     })
 
 
+@login_required
+@can_view_all(CustomInvoice)
+def index_cost_estimate(request):
+    """View used to display every custom invoice."""
+    pagination_number = GeneralOption.get_cached_value('pagination_number')
+    cost_estimate_list = CostEstimate.objects.prefetch_related('vente_set')
+    cost_estimate_list = SortTable.sort(
+        cost_estimate_list,
+        request.GET.get('col'),
+        request.GET.get('order'),
+        SortTable.COTISATIONS_CUSTOM
+    )
+    cost_estimate_list = re2o_paginator(
+        request,
+        cost_estimate_list,
+        pagination_number,
+    )
+    return render(request, 'cotisations/index_cost_estimate.html', {
+        'cost_estimate_list': cost_estimate_list
+    })
+
+
 @login_required
 @can_view_all(CustomInvoice)
 def index_custom_invoice(request):
     """View used to display every custom invoice."""
     pagination_number = GeneralOption.get_cached_value('pagination_number')
-    custom_invoice_list = CustomInvoice.objects.prefetch_related('vente_set')
+    cost_estimate_ids = [i for i, in CostEstimate.objects.values_list('id')]
+    custom_invoice_list = CustomInvoice.objects.prefetch_related('vente_set').exclude(id__in=cost_estimate_ids)
     custom_invoice_list = SortTable.sort(
         custom_invoice_list,
         request.GET.get('col'),