Preliminar implementation of SEPA payment system

orchestra/admin/options.py

@@ -2,7 +2,7 @@ from django import forms
 from django.contrib import admin
 from django.forms.models import BaseInlineFormSet
 
-from .utils import set_default_filter
+from .utils import set_url_query
 
 
 class ExtendedModelAdmin(admin.ModelAdmin):
@@ -55,9 +55,9 @@ class ChangeListDefaultFilter(object):
     def changelist_view(self, request, extra_context=None):
         """ Default filter as 'my_nodes=True' """
         defaults = []
-        for queryarg, value in self.default_changelist_filters:
+        for key, value in self.default_changelist_filters:
-             set_default_filter(queryarg, request, value)
+             set_url_query(request, key, value)
-             defaults.append(queryarg)
+             defaults.append(key)
         # hack response cl context in order to hook default filter awaearness into search_form.html template
         response = super(ChangeListDefaultFilter, self).changelist_view(request, extra_context=extra_context)
         if hasattr(response, 'context_data') and 'cl' in response.context_data:

orchestra/admin/utils.py

@@ -63,13 +63,13 @@ def wrap_admin_view(modeladmin, view):
     return update_wrapper(wrapper, view)
 
 
-def set_default_filter(queryarg, request, value):
+def set_url_query(request, key, value):
     """ set default filters for changelist_view """
-    if queryarg not in request.GET:
+    if key not in request.GET:
         request_copy = request.GET.copy()
         if callable(value):
             value = value(request)
-        request_copy[queryarg] = value
+        request_copy[key] = value
         request.GET = request_copy
         request.META['QUERY_STRING'] = request.GET.urlencode()
 

orchestra/apps/accounts/admin.py

@@ -5,10 +5,11 @@ from django.contrib.admin.util import unquote
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 from django.utils.safestring import mark_safe
+from django.utils.six.moves.urllib.parse import parse_qsl
 from django.utils.translation import ugettext_lazy as _
 
 from orchestra.admin import ExtendedModelAdmin
-from orchestra.admin.utils import wrap_admin_view, admin_link
+from orchestra.admin.utils import wrap_admin_view, admin_link, set_url_query
 from orchestra.core import services, accounts
 
 from .filters import HasMainUserListFilter
@@ -129,6 +130,8 @@ class AccountAdminMixin(object):
     """ Provide basic account support to ModelAdmin and AdminInline classes """
     readonly_fields = ('account_link',)
     filter_by_account_fields = []
+    change_list_template = 'admin/accounts/account/change_list.html'
+    change_form_template = 'admin/accounts/account/change_form.html'
     
     def account_link(self, instance):
         account = instance.account if instance.pk else self.account
@@ -161,6 +164,48 @@ class AccountAdminMixin(object):
                 # Filter related object by account
                 formfield.queryset = formfield.queryset.filter(account=self.account)
         return formfield
+    
+    def get_account_from_preserve_filters(self, request):
+        preserved_filters = self.get_preserved_filters(request)
+        preserved_filters = dict(parse_qsl(preserved_filters))
+        cl_filters = preserved_filters.get('_changelist_filters')
+        if cl_filters:
+            return dict(parse_qsl(cl_filters)).get('account')
+    
+    def changeform_view(self, request, object_id=None, form_url='', extra_context=None):
+        account_id = self.get_account_from_preserve_filters(request)
+        verb = 'change' if object_id else 'add'
+        if not object_id:
+            if account_id:
+                # Preselect account
+                set_url_query(request, 'account', account_id)
+        context = {
+            'from_account': bool(account_id),
+            'account': not account_id or Account.objects.get(pk=account_id),
+            'account_opts': Account._meta,
+        }
+        context.update(extra_context or {})
+        return super(AccountAdminMixin, self).changeform_view(request,
+                object_id=object_id, form_url=form_url, extra_context=context)
+    
+    def changelist_view(self, request, extra_context=None):
+        account_id = request.GET.get('account')
+        context = {
+            'from_account': False
+        }
+        if account_id:
+            opts = self.model._meta
+            account = Account.objects.get(pk=account_id)
+            context = {
+                'from_account': True,
+                'title': _("Select %s to change for %s") % (
+                    opts.verbose_name, account.name),
+                'account': not account_id or Account.objects.get(pk=account_id),
+                'account_opts': Account._meta,
+            }
+        context.update(extra_context or {})
+        return super(AccountAdminMixin, self).changelist_view(request,
+                extra_context=context)
 
 
 class SelectAccountAdminMixin(AccountAdminMixin):
@@ -196,14 +241,21 @@ class SelectAccountAdminMixin(AccountAdminMixin):
     def add_view(self, request, form_url='', extra_context=None):
         """ Redirects to select account view if required """
         if request.user.is_superuser:
-            if 'account' in request.GET or Account.objects.count() == 1:
+            from_account_id = self.get_account_from_preserve_filters(request)
+            if from_account_id:
+                set_url_query(request, 'account', from_account_id)
+            account_id = request.GET.get('account')
+            if account_id or Account.objects.count() == 1:
                 kwargs = {}
-                if 'account' in request.GET:
+                if account_id:
-                    kwargs = dict(pk=request.GET['account'])
+                    kwargs = dict(pk=account_id)
                 self.account = Account.objects.get(**kwargs)
                 opts = self.model._meta
                 context = {
-                    'title': _("Add %s for %s") % (opts.verbose_name, self.account.name)
+                    'title': _("Add %s for %s") % (opts.verbose_name, self.account.name),
+                    'from_account': bool(from_account_id),
+                    'account': self.account,
+                    'account_opts': Account._meta,
                 }
                 context.update(extra_context or {})
                 return super(AccountAdminMixin, self).add_view(request,

orchestra/apps/accounts/templates/admin/accounts/account/change_form.html

@@ -2,18 +2,34 @@
 {% load i18n admin_urls admin_static admin_modify %}
 
 
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
+{% if from_account %}
+&rsaquo; <a href="{% url 'admin:app_list' app_label=account_opts.app_label %}">{{ account_opts.app_config.verbose_name }}</a>
+&rsaquo; <a href="{% url account_opts|admin_urlname:'changelist' %}">{{ account_opts.verbose_name_plural|capfirst }}</a>
+&rsaquo; <a href="{% url account_opts|admin_urlname:'change' account.pk|admin_urlquote %}">{{ account|truncatewords:"18" }}</a>
+&rsaquo; {% if has_change_permission %}<a href="{% url opts|admin_urlname:'changelist' %}?account={{ account.pk }}">{{ opts.verbose_name_plural|capfirst }}</a>{% else %}{{ opts.verbose_name_plural|capfirst }}{% endif %}
+{% else %}
+&rsaquo; <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ opts.app_config.verbose_name }}</a>
+&rsaquo; {% if has_change_permission %}<a href="{% url opts|admin_urlname:'changelist' %}">{{ opts.verbose_name_plural|capfirst }}</a>{% else %}{{ opts.verbose_name_plural|capfirst }}{% endif %}
+{% endif %}
+&rsaquo; {% if add %}{% trans 'Add' %} {{ opts.verbose_name }}{% else %}{{ original|truncatewords:"18" }}{% endif %}
+</div>
+{% endblock %}
+
+
 {% block object-tools-items %}
-
+{% if services %}
-
     {% for service in services %}
         <li>
             <a href="{% url service|admin_urlname:'changelist' %}?account={{ original.pk }}" class="historylink">{{ service.verbose_name_plural|capfirst }}</a>
         </li>
     {% endfor %}
-
 </ul>
-
 <h5 style="visibility:hidden; margin: 1.5em 1.5em 0;">Account</h5>
+{% endif %}
+{% if accounts %}
 <ul class="object-tools">
     {% for account in accounts %}
         <li>
@@ -21,10 +37,9 @@
         </li>
     {% endfor %}
 </ul>
-</p>
 <h5 style="visibility:hidden; margin: 1.5em 1.5em 0;">a</h5>
-
 <ul class="object-tools">
+{% endif %}
 <li>
     <a href="disable/" class="historylink">{% trans "Disable" %}</a>
 </li>
@@ -32,6 +47,5 @@
     {% url opts|admin_urlname:'history' original.pk|admin_urlquote as history_url %}
     <a href="{% add_preserved_filters history_url %}" class="historylink">{% trans "History" %}</a>
 </li>
-
 {% endblock %}
 

orchestra/apps/accounts/templates/admin/accounts/account/change_list.html

@@ -0,0 +1,32 @@
+{% extends "admin/change_list.html" %}
+{% load i18n admin_urls %}
+
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
+{% if from_account %}
+&rsaquo; <a href="{% url 'admin:app_list' app_label=account_opts.app_label %}">{{ account_opts.app_config.verbose_name }}</a>
+&rsaquo; <a href="{% url account_opts|admin_urlname:'changelist' %}">{{ account_opts.verbose_name_plural|capfirst }}</a>
+&rsaquo; <a href="{% url account_opts|admin_urlname:'change' account.pk|admin_urlquote %}">{{ account|truncatewords:"18" }}</a>
+{% else %}
+&rsaquo; <a href="{% url 'admin:app_list' app_label=cl.opts.app_label %}">{{ cl.opts.app_config.verbose_name }}</a>
+{% endif %}
+&rsaquo; {{ cl.opts.verbose_name_plural|capfirst }}
+</div>
+{% endblock %}
+
+
+{% block object-tools-items %}
+{% if from_account %}
+<li>
+    <a href="./" class="historylink">{% trans 'Show all' %}</a>
+</li>
+{% endif %}
+<li>
+  {% url cl.opts|admin_urlname:'add' as add_url %}
+  <a href="{% add_preserved_filters add_url is_popup to_field %}" class="addlink">
+    {% blocktrans with cl.opts.verbose_name as name %}Add {{ name }}{% endblocktrans %}
+  </a>
+</li>
+{% endblock %}

orchestra/apps/bills/admin.py

@@ -12,9 +12,16 @@ from .models import (Bill, Invoice, AmendmentInvoice, Fee, AmendmentFee, Budget,
 
 class BillLineInline(admin.TabularInline):
     model = BillLine
+    fields = (
+        'description', 'initial_date', 'final_date', 'price', 'amount', 'tax'
+    )
+
 
 class BudgetLineInline(admin.TabularInline):
     model = Budget
+    fields = (
+        'description', 'initial_date', 'final_date', 'price', 'amount', 'tax'
+    )
 
 
 class BillAdmin(AccountAdminMixin, admin.ModelAdmin):

orchestra/apps/contacts/admin.py

@@ -1,10 +1,11 @@
 from django import forms
 from django.contrib import admin
+from django.utils.translation import ugettext, ugettext_lazy as _
 
 from orchestra.admin import AtLeastOneRequiredInlineFormSet
 from orchestra.admin.utils import insertattr
 from orchestra.apps.accounts.admin import AccountAdmin, AccountAdminMixin
-
+from orchestra.forms.widgets import paddingCheckboxSelectMultiple
 from .filters import HasInvoiceContactListFilter
 from .models import Contact, InvoiceContact
 
@@ -19,6 +20,50 @@ class ContactAdmin(AccountAdminMixin, admin.ModelAdmin):
         'contact__user__username', 'short_name', 'full_name', 'phone', 'phone2',
         'email'
     )
+    fieldsets = (
+        (None, {
+            'classes': ('wide',),
+            'fields': ('account_link', 'short_name', 'full_name')
+        }),
+        (_("Email"), {
+            'classes': ('wide',),
+            'fields': ('email', 'email_usage',)
+        }),
+        (_("Phone"), {
+            'classes': ('wide',),
+            'fields': ('phone', 'phone2'),
+        }),
+        (_("Postal address"), {
+            'classes': ('wide',),
+            'fields': ('address', ('zipcode', 'city'), 'country')
+        }),
+    )
+    add_fieldsets = (
+        (None, {
+            'classes': ('wide',),
+            'fields': ('account', 'short_name', 'full_name')
+        }),
+        (_("Email"), {
+            'classes': ('wide',),
+            'fields': ('email', 'email_usage',)
+        }),
+        (_("Phone"), {
+            'classes': ('wide',),
+            'fields': ('phone', 'phone_alternative'),
+        }),
+        (_("Postal address"), {
+            'classes': ('wide',),
+            'fields': ('address', ('zip_code', 'city'), 'country')
+        }),
+    )
+    
+    def formfield_for_dbfield(self, db_field, **kwargs):
+        """ Make value input widget bigger """
+        if db_field.name == 'address':
+            kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
+        if db_field.name == 'email_usage':
+            kwargs['widget'] = paddingCheckboxSelectMultiple(130)
+        return super(ContactAdmin, self).formfield_for_dbfield(db_field, **kwargs)
 
 
 admin.site.register(Contact, ContactAdmin)
@@ -32,6 +77,8 @@ class InvoiceContactInline(admin.StackedInline):
         """ Make value input widget bigger """
         if db_field.name == 'address':
             kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 2})
+        if db_field.name == 'email_usage':
+            kwargs['widget'] = paddingCheckboxSelectMultiple(45)
         return super(InvoiceContactInline, self).formfield_for_dbfield(db_field, **kwargs)
 
 
@@ -62,6 +109,9 @@ insertattr(AccountAdmin, 'inlines', ContactInline)
 insertattr(AccountAdmin, 'inlines', InvoiceContactInline)
 insertattr(AccountAdmin, 'list_display', has_invoice)
 insertattr(AccountAdmin, 'list_filter', HasInvoiceContactListFilter)
-for field in ('contacts__short_name', 'contacts__full_name', 'contacts__phone',
+search_fields = (
-              'contacts__phone2', 'contacts__email'):
+    'contacts__short_name', 'contacts__full_name', 'contacts__phone',
+    'contacts__phone2', 'contacts__email'
+)
+for field in search_fields:
     insertattr(AccountAdmin, 'search_fields', field)

orchestra/apps/contacts/models.py

@@ -1,6 +1,7 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
+from orchestra.core import accounts
 from orchestra.models.fields import MultiSelectField
 
 from . import settings
@@ -15,8 +16,8 @@ class Contact(models.Model):
     email_usage = MultiSelectField(_("email usage"), max_length=256, blank=True,
             choices=settings.CONTACTS_EMAIL_USAGES,
             default=settings.CONTACTS_DEFAULT_EMAIL_USAGES)
-    phone = models.CharField(_("Phone"), max_length=32, blank=True)
+    phone = models.CharField(_("phone"), max_length=32, blank=True)
-    phone2 = models.CharField(_("Alternative Phone"), max_length=32, blank=True)
+    phone2 = models.CharField(_("alternative phone"), max_length=32, blank=True)
     address = models.TextField(_("address"), blank=True)
     city = models.CharField(_("city"), max_length=128, blank=True,
             default=settings.CONTACTS_DEFAULT_CITY)
@@ -39,3 +40,6 @@ class InvoiceContact(models.Model):
     country = models.CharField(_("country"), max_length=20,
             default=settings.CONTACTS_DEFAULT_COUNTRY)
     vat = models.CharField(_("VAT number"), max_length=64)
+
+
+accounts.register(Contact)

orchestra/apps/orders/admin.py

@@ -88,7 +88,7 @@ class OrderAdmin(AccountAdminMixin, ChangeListDefaultFilter, admin.ModelAdmin):
         ('is_active', 'True'),
     )
     
-    content_object_link = admin_link('content_object')
+    content_object_link = admin_link('content_object', order=False)
     display_registered_on = admin_date('registered_on')
     display_cancelled_on = admin_date('cancelled_on')
 

orchestra/apps/orders/models.py

@@ -186,7 +186,7 @@ class Service(models.Model):
     def clean(self):
         content_type = self.handler.get_content_type()
         if self.content_type != content_type:
-            msg =_("Content type must be equal to '%s'." % str(content_type))
+            msg =_("Content type must be equal to '%s'.") % str(content_type)
             raise ValidationError(msg)
         if not self.match:
             msg =_("Match should be provided")

orchestra/apps/payments/methods.py

@@ -1,3 +1,9 @@
+import random
+import string
+from lxml import etree
+from lxml.builder import E
+
+from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from django_iban.validators import IBANValidator, IBAN_COUNTRY_CODE_LENGTH
 from rest_framework import serializers
@@ -44,6 +50,116 @@ class BankTransfer(PaymentMethod):
     number_field = 'iban'
     form = BankTransferForm
     serializer = BankTransferSerializer
+    
+    def set_id(self):
+        size=6
+        chars=string.ascii_uppercase + string.digits
+        self.payment_id =  ''.join(random.choice(chars) for _ in range(size))
+    
+    def _process_transactions(self, transactions):
+        for transaction in transactions:
+            account = transaction.account
+            data = transaction.data
+            transaction.info = self.payment_id
+            transaction.state = transaction.WAITTING_CONFIRMATION
+            transaction.save()
+            yield E.DrctDbtTxInf(                           # Direct Debit Transaction Info
+                E.PmtId(                                    # Payment Id
+                    E.EndToEndId(str(transaction.id))       # Payment Id/End to End
+                ),
+                E.InstdAmt(transaction.amount, Ccy="EUR"),  # Instructed Amount
+                E.DrctDbtTx(                                # Direct Debit Transaction
+                    E.MndtRltdInf(                          # Mandate Related Info
+                        E.MndtId(str(account.id)),          # Mandate Id
+                        E.DtOfSgntr(                        # Date of Signature
+                            account.registered_on.strfrm("%Y-%m-%d")
+                        )
+                    )
+                ),
+                E.DbtrAgt(                                  # Debtor Agent
+                    E.FinInstnId(                           # Financial Institution Id
+                        E.Othr(
+                            E.Id('NOTPROVIDED')
+                        )
+                    )
+                ),
+                E.Dbtr(                                     # Debtor
+                    E.Nm(account.name),                     # Name
+                ),
+                E.DbtrAcct(                                 # Debtor Account
+                    E.Id(
+                        E.IBAN(data['iban'])
+                    ),
+                ),
+            )
+    
+    def process(self, transactions)
+        self.set_id()
+        creditor_name = settings.PAYMENTS_DD_CREDITOR_NAME
+        creditor_iban = settings.PAYMENTS_DD_CREDITOR_IBAN
+        creditor_bic = settings.PAYMENTS_DD_CREDITOR_BIC
+        creditor_at02_id = settings.PAYMENTS_DD_CREDITOR_AT02_ID
+        now = timezone.now()
+        total = str(sum([transaction.amount for transaction in transactions]))
+        sepa = E.Document(
+            E.CstmrDrctDbtInitn(
+                E.GrpHdr(                                   # Group Header
+                    E.MsgId(self.payment_id),               # Message Id
+                    E.CreDtTm(now.strftime("%Y-%m-%dT%H:%M:%S")), # Creation Date Time
+                    E.NbOfTxs(str(len(transactions))),      # Number of Transactions
+                    E.CtrlSum(total),                       # Control Sum
+                    E.InitgPty(                             # Initiating Party
+                        E.Nm(creditor_name),                # Name
+                        E.Id(                               # Identification
+                            E.OrgId(                        # Organisation Id
+                                E.Othr(
+                                    E.Id(creditor_at_02)
+                                )
+                            )
+                        )
+                    )
+                ),
+                E.PmtInf(                                   # Payment Info
+                    E.PmtInfId(self.payment_id),            # Payment Id
+                    E.PmtMtd("DD"),                         # Payment Method
+                    E.NbOfTxs(str(len(transactions))),      # Number of Transactions
+                    E.CtrlSum(total),                       # Control Sum
+                    E.PmtTpInf(                             # Payment Type Info
+                        E.SvcLvl(                           # Service Level
+                            E.Cd("SEPA")                    # Code
+                        ),
+                        E.LclInstrm(                        # Local Instrument
+                            E.Cd("CORE")                    # Code
+                        ),
+                        E.SeqTp("RCUR")                     # Sequence Type
+                    ),
+                    E.ReqdColltnDt(now.strfrm("%Y-%m-%d")), # Requested Collection Date
+                    E.Cdtr(                                 # Creditor
+                        E.Nm(creditor_name)
+                    ),
+                    E.CdtrAcct(                             # Creditor Account
+                        E.Id(
+                            E.IBAN(creditor_iban)
+                        )
+                    ),
+                    E.CdtrAgt(                              # Creditor Agent
+                        E.FinInstnId(                       # Financial Institution Id
+                            E.BIC(creditor_bic)
+                        )
+                    ),
+                *list(self._process_transactions(transactions))   # Transactions
+                )
+            ), {
+                'xmlns': "urn:iso:std:iso:20022:tech:xsd:pain.008.001.02",
+                'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance"
+            }
+        )
+        # http://www.iso20022.org/documents/messages/1_0_version/pain/schemas/pain.008.001.02.zip
+        schema = etree.parse('pain.008.001.02.xsd')
+        schema.assertValid(sepa)
+        # TODO where to save this shit?
+        # TODO new model? Payment with batch support, How this relates to transaction?
+        return etree.tostring(page, pretty_print=True, xml_declaration=True)
 
 
 class CreditCard(PaymentMethod):

orchestra/apps/payments/settings.py

@@ -2,3 +2,13 @@ from django.conf import settings
 
 
 PAYMENT_CURRENCY = getattr(settings, 'PAYMENT_CURRENCY', 'Eur')
+
+
+PAYMENTS_DD_CREDITOR_NAME = getattr(settings, 'PAYMENTS_DD_CREDITOR_NAME',
+    'Orchestra')
+PAYMENTS_DD_CREDITOR_IBAN = getattr(settings, 'PAYMENTS_DD_CREDITOR_IBAN',
+    'InvalidIBAN')
+PAYMENTS_DD_CREDITOR_BIC = getattr(settings, 'PAYMENTS_DD_CREDITOR_BIC',
+    'InvalidBIC')
+PAYMENTS_DD_CREDITOR_AT02_ID = getattr(settings, 'PAYMENTS_DD_CREDITOR_AT02_ID',
+    'InvalidAT02ID')

orchestra/apps/users/roles/mail/admin.py

@@ -89,7 +89,7 @@ class AddressAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
     
     def display_mailboxes(self, address):
         boxes = []
-        for mailbox in address.mailboxes():
+        for mailbox in address.mailboxes.all():
             user = mailbox.user
             url = reverse('admin:users_user_mailbox_change', args=(user.pk,))
             boxes.append('<a href="%s">%s</a>' % (url, user.username))

orchestra/forms/widgets.py

@@ -1,3 +1,5 @@
+import re
+
 from django import forms
 from django.utils.safestring import mark_safe
 from django.utils.encoding import force_text
@@ -20,9 +22,13 @@ class ShowTextWidget(forms.Widget):
         else:
             final_value = '<br/>'.join(value.split('\n'))
         if self.warning:
-            final_value = u'<ul class="messagelist"><li class="warning">%s</li></ul>' %(final_value)
+            final_value = (
+                u'<ul class="messagelist"><li class="warning">%s</li></ul>'
+                % final_value)
         if self.hidden:
-            final_value = u'%s<input type="hidden" name="%s" value="%s"/>' % (final_value, name, value)
+            final_value = (
+                u'%s<input type="hidden" name="%s" value="%s"/>'
+                % (final_value, name, value))
         return mark_safe(final_value)
     
     def _has_changed(self, initial, data):
@@ -44,3 +50,16 @@ class ReadOnlyWidget(forms.Widget):
     
     def value_from_datadict(self, data, files, name):
         return self.original_value
+
+
+def paddingCheckboxSelectMultiple(padding):
+    """ Ugly hack to render this widget nicely on Django admin """
+    widget = forms.CheckboxSelectMultiple()
+    old_render = widget.render
+    def render(self, *args, **kwargs):
+        value = old_render(self, *args, **kwargs)
+        value = re.sub(r'^<ul id=(.*)>',
+                r'<ul id=\1 style="padding-left:%ipx">' % padding, value, 1)
+        return mark_safe(value)
+    widget.render = render
+    return widget