Module de paiement par note

cotisations/migrations/0035_notepayment.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-09-01 11:27
+from __future__ import unicode_literals
+
+import cotisations.payment_methods.mixins
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cotisations', '0034_auto_20180831_1532'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='NotePayment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('server', models.CharField(max_length=255, verbose_name='server')),
+                ('port', models.PositiveIntegerField(blank=True, null=True)),
+                ('id_note', models.PositiveIntegerField(blank=True, null=True)),
+                ('payment', models.OneToOneField(editable=False, on_delete=django.db.models.deletion.CASCADE, related_name='payment_method', to='cotisations.Paiement')),
+            ],
+            options={
+                'verbose_name': 'NoteKfet',
+            },
+            bases=(cotisations.payment_methods.mixins.PaymentMethodMixin, models.Model),
+        ),
+    ]

cotisations/payment_methods/__init__.py

@@ -127,10 +127,11 @@ method to your model, where `form` is an instance of
 """
 
 
-from . import comnpay, cheque, balance, urls
+from . import comnpay, cheque, balance, note, urls
 
 PAYMENT_METHODS = [
     comnpay,
     cheque,
     balance,
+    note
 ]

cotisations/payment_methods/note/__init__.py

+# -*- 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 © 2018  Gabriel Detraz, Pierre-Antoine Comby
+#
+# 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.
+"""
+This module contains a method to pay online using comnpay.
+"""
+from . import models, urls
+NAME = "NOTE"
+PaymentMethod = models.NotePayment

cotisations/payment_methods/note/forms.py

+# -*- 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 © 2018  Pierre-Antoine Comby
+# Copyright © 2018  Gabriel Detraz
+#
+# 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.
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+
+from cotisations.utils import find_payment_method
+
+class NoteCredentialForm(forms.Form):
+    """A special form to get credential to connect to a NoteKfet2015 server throught his API
+    object.
+    """
+    login = forms.CharField(
+            label=_("pseudo note")
+        )
+    password = forms.CharField(
+            label=_("Password"),
+            widget=forms.PasswordInput
+        )
+   

cotisations/payment_methods/note/models.py

+# -*- 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 © 2018  Pierre-Antoine Comby
+# Copyright © 2018  Gabriel Detraz
+#
+# 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.
+from django.db import models
+from django.shortcuts import render
+from django.urls import reverse
+from django.utils.translation import ugettext_lazy as _
+from django.contrib import messages
+
+from cotisations.models import Paiement
+from cotisations.payment_methods.mixins import PaymentMethodMixin
+
+from django.shortcuts import render, redirect
+
+
+class NotePayment(PaymentMethodMixin, models.Model):
+    """
+    The model allowing you to pay with NoteKfet2015.
+    """
+
+    class Meta:
+        verbose_name = _("NoteKfet")
+
+    payment = models.OneToOneField(
+        Paiement,
+        on_delete = models.CASCADE,
+        related_name = 'payment_method',
+        editable = False
+    )
+    server = models.CharField(
+        max_length=255,
+        verbose_name=_("server")
+    )
+    port = models.PositiveIntegerField(
+        blank = True,
+        null = True
+    )
+    id_note = models.PositiveIntegerField(
+        blank = True,
+        null = True
+    )
+
+    def end_payment(self, invoice, request):
+        return redirect(reverse(
+            'cotisations:note:note_payment',
+            kwargs={'factureid': invoice.id}
+        ))

cotisations/payment_methods/note/note.py

+#!/usr/bin/python3
+# -*- coding:utf-8 -*-
+
+# Codé par PAC , forké de 20-100
+
+""" Module pour dialoguer avec la NoteKfet2015 """
+
+import socket
+import json
+import ssl
+import traceback
+
+
+def get_response(socket):
+    length_str = b''
+    char = socket.recv(1)
+    while char != b'\n':
+        length_str += char
+        char = socket.recv(1)
+    total = int(length_str)
+    return json.loads(socket.recv(total).decode('utf-8'))
+
+def connect(server, port):
+    sock = socket.socket()
+    try:
+        # On établit la connexion sur port 4242
+        sock.connect((server, port))
+        # On passe en SSL
+        sock = ssl.wrap_socket(sock)
+        # On fait un hello
+        sock.send(b'["hello", "manual"]')
+        retcode = get_response(sock)
+    except:
+        # Si on a foiré quelque part, c'est que le serveur est down
+        return (False, sock, "Serveur indisponible")
+    return (True, sock, "")
+
+def login(server, port, username, password,  masque = [[], [], True]):
+    result, sock, err = connect(server, port)
+    if not result:
+        return (False, None, err)
+    try:
+        commande = ["login", [username, password, "bdd", masque]]
+        sock.send(json.dumps(commande).encode("utf-8"))
+        response = get_response(sock)
+        retcode = response['retcode']
+        if retcode == 0:
+            return (True, sock, "")
+        elif retcode == 5:
+            return (False, sock, "Login incorrect")
+        else:
+            return (False, sock, "Erreur inconnue " + str(retcode))
+    except:
+        # Si on a foiré quelque part, c'est que le serveur est down
+        return (False, sock, "Erreur de communication avec le serveur")
+
+
+def don(sock, montant, id_note, facture):
+    """
+    Faire faire un don à l'id_note
+    """
+    try:
+        sock.send(json.dumps(["dons", [[id_note], round(montant*100), "Facture : id=%s, designation=%s" % (facture.id, facture.name())]]).encode("utf-8"))
+        response = get_response(sock)
+        retcode = response['retcode']
+        transaction_retcode = response["msg"][0][0]
+        if 0 < retcode < 100 or 200 <= retcode or 0 < transaction_retcode < 100 or 200 <= transaction_retcode:
+            return (False, "Transaction échouée. (Solde trop négatif ?)")
+        elif retcode == 0:
+            return (True, "")
+        else:
+            return (False, "Erreur inconnue " + str(retcode))
+    except:
+        return (False, "Erreur de communication avec le serveur")

cotisations/payment_methods/note/urls.py

+# -*- 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 © 2018 Gabriel Detraz
+#
+# 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.
+from django.conf.urls import url
+from . import views
+
+urlpatterns = [
+    url(
+        r'^note_payment/(?P<factureid>[0-9]+)$',
+        views.note_payment,
+        name='note_payment'
+    ),
+]

cotisations/payment_methods/note/views.py

+# -*- 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 © 2018  Gabriel Detraz
+# Copyright © 2018  Pierre-Antoine Comby 
+#
+# 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.
+"""Payment
+
+Here are the views needed by comnpay
+"""
+
+from collections import OrderedDict
+
+from django.urls import reverse
+from django.shortcuts import redirect, get_object_or_404
+from django.contrib.auth.decorators import login_required
+from django.contrib import messages
+from django.views.decorators.csrf import csrf_exempt
+from django.utils.datastructures import MultiValueDictKeyError
+from django.utils.translation import ugettext as _
+from django.http import HttpResponse, HttpResponseBadRequest
+
+from cotisations.models import Facture
+from cotisations.utils import find_payment_method
+from .models import NotePayment
+from re2o.views import form
+from re2o.acl import (
+    can_create,
+    can_edit
+)
+from .note import login, don
+from .forms import NoteCredentialForm
+
+@login_required
+@can_edit(Facture)
+def note_payment(request, facture, factureid):
+    """
+    Build a request to start the negociation with NoteKfet by using
+    a facture id, the price and the login/password data stored in
+    the preferences.
+    """
+    user = facture.user
+    payment_method = find_payment_method(facture.paiement)
+    if not payment_method or not isinstance(payment_method, NotePayment):
+        messages.error(request, "Erreur inconnue")
+        return redirect(reverse(
+            'users:profil',
+            kwargs={'userid': user.id}
+         ))
+    noteform = NoteCredentialForm(request.POST or None)
+    if noteform.is_valid():
+        pseudo = noteform.cleaned_data['login']
+        password = noteform.cleaned_data['password']
+        result, sock, err = login(payment_method.server, payment_method.port, pseudo, password)
+        if not result:
+            messages.error(request, err)
+            return form(
+                {'form': noteform, 'amount': facture.prix_total()},
+                "cotisations/payment.html",
+                request
+            )
+        else:
+            result, err = don(sock, facture.prix_total(), payment_method.id_note, facture)
+            if not result:
+                messages.error(request, err)
+                return form(
+                    {'form': noteform, 'amount': facture.prix_total()},
+                    "cotisations/payment.html",
+                    request
+                )
+        facture.valid = True
+        facture.save()
+        messages.success(request, "Le paiement par note a bien été effectué")
+        return redirect(reverse(
+            'users:profil',
+            kwargs={'userid': user.id}
+         ))
+    return form(
+            {'form': noteform, 'amount': facture.prix_total()},
+            "cotisations/payment.html",
+            request
+        )

cotisations/payment_methods/urls.py

@@ -19,9 +19,10 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 from django.conf.urls import include, url
-from . import comnpay, cheque
+from . import comnpay, cheque, note
 
 urlpatterns = [
     url(r'^comnpay/', include(comnpay.urls, namespace='comnpay')),
     url(r'^cheque/', include(cheque.urls, namespace='cheque')),
+    url(r'^note/', include(note.urls, namespace='note')),
 ]