payments: add possibility to push parameters to the banking backend

extra/modules/payments.py

@@ -22,7 +22,8 @@ except ImportError:
 
 from qommon.storage import StorableObject
 from qommon import errors, get_logger, get_cfg
-from qommon.form import htmltext, StringWidget, TextWidget, SingleSelectWidget
+from qommon.form import htmltext, StringWidget, TextWidget, SingleSelectWidget, \
+    WidgetDict
 
 from wcs.formdef import FormDef
 from wcs.formdata import Evolution
@@ -70,6 +71,7 @@ class Invoice(StorableObject):
     canceled_reason = None
     next_status = None
     external_id = None
+    request_kwargs = {}
 
     def __init__(self, id=None, regie_id=None, formdef_id=None):
         self.id = id
@@ -187,6 +189,7 @@ class PaymentWorkflowStatusItem(WorkflowStatusItem):
     amount = None
     regie_id = None
     next_status = None
+    request_kwargs = {}
 
     def render_as_line(self):
         if self.regie_id:
@@ -195,7 +198,8 @@ class PaymentWorkflowStatusItem(WorkflowStatusItem):
             return _('Payable (not completed)')
 
     def get_parameters(self):
-        return ('subject', 'details', 'amount', 'regie_id', 'next_status')
+        return ('subject', 'details', 'amount', 'regie_id', 'next_status',
+                'request_kwargs')
 
     def add_parameters_widgets(self, form, parameters, prefix='', formdef=None):
         if 'subject' in parameters:
@@ -215,6 +219,17 @@ class PaymentWorkflowStatusItem(WorkflowStatusItem):
                 title=_('Status after validation'), value = self.next_status,
                 hint=_('Used only if the current status of the form does not contain any "Payment Validation" item'),
                 options = [(None, '---')] + [(x.id, x.name) for x in self.parent.parent.possible_status])
+        if 'request_kwargs' in parameters:
+            keys = ['name', 'email', 'address', 'phone', 'info1', 'info2', 'info3']
+            hint = ''
+            hint +=_('If the value starts by = it will be '
+                'interpreted as a Python expression.')
+            hint += ' '
+            hint += _('Standard keys are: %s.') % (', '.join(keys))
+            form.add(WidgetDict, 'request_kwargs',
+                title=_('Parameters for the payment system'),
+                hint=hint,
+                value = self.request_kwargs)
 
     def perform(self, formdata):
         invoice = Invoice(regie_id=self.regie_id, formdef_id=formdata.formdef.id)
@@ -231,6 +246,9 @@ class PaymentWorkflowStatusItem(WorkflowStatusItem):
         invoice.details = template_on_formdata(formdata, self.compute(self.details))
         invoice.amount = Decimal(self.compute(self.amount))
         invoice.date = dt.now()
+        invoice.request_kwargs = {}
+        for key, value in self.request_kwargs.iteritems():
+            invoice.request_kwargs[key] = self.compute(value)
         invoice.store()
         # add a message in formdata.evolution
         evo = Evolution()
@@ -338,7 +356,15 @@ def request_payment(invoice_ids, url, add_regie=True):
 
     regie = Regie.get(invoice.regie_id)
     payment = regie.get_payment_object()
-    (order_id, kind, data) = payment.request(amount, next_url=url)
+    # initialize request_kwargs using informations from the first invoice
+    # and update using current user informations
+    request_kwargs = getattr(invoices[0], 'request_kwargs', {})
+    request = get_request()
+    if request.user and request.user.email:
+        request_kwargs['email'] = request.user.email
+    if request.user and request.user.display_name:
+        request_kwargs['name'] = request.user.display_name
+    (order_id, kind, data) = payment.request(amount, next_url=url, **request_kwargs)
     transaction.order_id = order_id
     transaction.store()
 

po/fr.po

@@ -2248,6 +2248,17 @@ msgstr "Quantité"
 msgid "Price"
 msgstr "Prix"
 
+msgid "If the value starts by = it will be interpreted as a Python "
+"expression."
+msgstr "Si la valeur débute par le symbole = elle sera interprétée comme une "
+"expression Python."
+
+msgid "Standard keys are: %s."
+msgstr "Les clés standards sont : %s."
+
+msgid "Parameters for the payment system"
+msgstr "Paramètres pour le système de paiement"
+
 #~ msgid "Update the family"
 #~ msgstr "Mettre à jour la famille"