send request to payment service

lingo/migrations/0002_transaction.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import jsonfield.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lingo', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Transaction',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('start_date', models.DateTimeField(auto_now_add=True)),
+                ('end_date', models.DateTimeField(null=True)),
+                ('bank_data', jsonfield.fields.JSONField(default=dict, blank=True)),
+                ('order_id', models.CharField(max_length=200)),
+                ('items', models.ManyToManyField(to='lingo.BasketItem', blank=True)),
+            ],
+            options={
+            },
+            bases=(models.Model,),
+        ),
+    ]

lingo/models.py

@@ -70,6 +70,14 @@ class BasketItem(models.Model):
     payment_date = models.DateTimeField(null=True)
 
 
+class Transaction(models.Model):
+    items = models.ManyToManyField(BasketItem, blank=True)
+    start_date = models.DateTimeField(auto_now_add=True)
+    end_date = models.DateTimeField(null=True)
+    bank_data = JSONField(blank=True)
+    order_id = models.CharField(max_length=200)
+
+
 @register_cell_class
 class LingoBasketCell(CellBase):
 

lingo/templates/lingo/combo/basket.html

@@ -1,10 +1,11 @@
 {% load i18n %}
 {% if total %}
 <h3>{% trans "Basket" %}</h3>
-<form>
+<form action="{% url 'lingo-pay' %}" method="POST">
+{% csrf_token %}
 <ul>
   {% for item in items %}
-  <li><label><input type="checkbox" value="{{ item.id }}" checked/> {{ item.subject }}: {{ item.amount }} €</label> (<a href="{{ item.source_url}}">voir</a>)</li>
+  <li><label><input type="checkbox" name="item" value="{{ item.id }}" checked/> {{ item.subject }}: {{ item.amount }} €</label> (<a href="{{ item.source_url}}">voir</a>)</li>
   {% endfor %}
   <li><strong>{% trans "Total:" %}</strong> {{ total }} €</li>
 </ul>

lingo/urls.py

@@ -16,10 +16,11 @@
 
 from django.conf.urls import patterns, include, url
 
-from .views import RegiesApiView, AddBasketItemApiView
+from .views import RegiesApiView, AddBasketItemApiView, PayView
 
 urlpatterns = patterns('',
     url('^api/lingo/regies$', RegiesApiView.as_view(), name='api-regies'),
     url('^api/lingo/add-basket-item$', AddBasketItemApiView.as_view(),
         name='api-add-basket-item'),
+    url('^lingo/pay$', PayView.as_view(), name='lingo-pay'),
 )

lingo/views.py

@@ -18,11 +18,13 @@ from decimal import Decimal
 import json
 
 from django.contrib.auth.models import User
-from django.http import HttpResponse
+from django.http import HttpResponse, HttpResponseRedirect
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import View, ListView
 
-from .models import Regie, BasketItem
+import eopayment
+
+from .models import Regie, BasketItem, Transaction
 
 class RegiesApiView(ListView):
     model = Regie
@@ -78,3 +80,30 @@ class AddBasketItemApiView(View):
         response = HttpResponse(content_type='application/json')
         response.write(json.dumps({'result': 'success'}))
         return response
+
+class PayView(View):
+    def post(self, request, *args, **kwargs):
+        items = BasketItem.objects.filter(id__in=request.POST.getlist('item'))
+        # XXX: check all items are going to the same regie
+
+        transaction = Transaction()
+        transaction.save()
+        transaction.items = items
+        transaction.save()
+
+        total_amount = sum([x.amount for x in items])
+
+        regie = items[0].regie
+
+        payment = eopayment.Payment(regie.service, regie.service_options)
+        (order_id, kind, data) = payment.request(total_amount,
+                next_url=request.build_absolute_uri('/'))
+        transaction.order_id = order_id
+        transaction.save()
+
+        # XXX: mark basket items as being processed (?)
+
+        if kind == eopayment.URL:
+            return HttpResponseRedirect(data)
+
+        raise NotImplementedError()