Add banktransfer API

src/pretix/plugins/banktransfer/api.py

@@ -0,0 +1,86 @@
+import django_filters
+from django_filters.rest_framework import DjangoFilterBackend, FilterSet
+from rest_framework import serializers, status, viewsets
+from rest_framework.exceptions import PermissionDenied
+from rest_framework.mixins import CreateModelMixin
+from rest_framework.response import Response
+
+from pretix.base.models.organizer import TeamAPIToken
+
+from .models import BankImportJob, BankTransaction
+from .tasks import process_banktransfers
+
+
+class BankTransactionSerializer(serializers.ModelSerializer):
+    order = serializers.SlugRelatedField(slug_field='code', read_only=True)
+    message = serializers.CharField(read_only=True)
+    state = serializers.CharField(read_only=True)
+    checksum = serializers.CharField(read_only=True)
+
+    class Meta:
+        model = BankTransaction
+        fields = ('state', 'message', 'checksum', 'payer', 'reference', 'amount', 'date', 'order',
+                  'comment')
+
+
+class BankImportJobSerializer(serializers.ModelSerializer):
+    event = serializers.SlugRelatedField(slug_field='slug', read_only=True, allow_null=True)
+    transactions = BankTransactionSerializer(many=True, read_only=False)
+    state = serializers.CharField(read_only=True)
+    partial = False
+
+    class Meta:
+        model = BankImportJob
+        fields = ('id', 'event', 'created', 'state', 'transactions')
+
+    def __init__(self, *args, **kwargs):
+        self.organizer = kwargs.pop('organizer')
+        self.fields['event'].read_only = False
+        self.fields['event'].queryset = self.organizer.events.all()
+        super().__init__(*args, **kwargs)
+
+    def create(self, validated_data):
+        trans_data = validated_data.pop('transactions')
+        job = BankImportJob.objects.create(organizer=self.organizer, **validated_data)
+        job._data = trans_data
+        return job
+
+
+class JobFilter(FilterSet):
+    event = django_filters.CharFilter(name='event', lookup_expr='slug')
+
+    class Meta:
+        model = BankImportJob
+        fields = ['state', 'event']
+
+
+class BankImportJobViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
+    serializer_class = BankImportJobSerializer
+    queryset = BankImportJob.objects.none()
+    filter_backends = (DjangoFilterBackend,)
+    filter_class = JobFilter
+    permission = 'can_view_orders'
+
+    def get_queryset(self):
+        return BankImportJob.objects.filter(organizer=self.request.organizer)
+
+    def perform_create(self, serializer):
+        return serializer.save()
+
+    def create(self, request, *args, **kwargs):
+        perm_holder = (request.auth if isinstance(request.auth, TeamAPIToken) else request.user)
+        if not perm_holder.has_organizer_permission(request.organizer, 'can_change_orders'):
+            raise PermissionDenied('Invalid set of permissions')
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        job = self.perform_create(serializer)
+        process_banktransfers.apply_async(kwargs={
+            'job': job.pk,
+            'data': job._data
+        })
+        job.refresh_from_db()
+        return Response(self.get_serializer(instance=job).data, status=status.HTTP_201_CREATED)
+
+    def get_serializer(self, *args, **kwargs):
+        kwargs['organizer'] = self.request.organizer
+        return super().get_serializer(*args, **kwargs)

src/pretix/plugins/banktransfer/tasks.py

@@ -89,18 +89,19 @@ def _get_unknown_transactions(job: BankImportJob, data: list, event: Event=None,
     transactions = []
     for row in data:
         amount = row['amount']
-        if ',' in amount and '.' in amount:
-            # Handle thousand-seperator , or .
-            if amount.find(',') < amount.find('.'):
-                amount = amount.replace(',', '')
-            else:
-                amount = amount.replace('.', '')
-        amount = amount_pattern.sub("", amount.replace(',', '.'))
-        try:
-            amount = Decimal(amount)
-        except:
-            logger.exception('Could not parse amount of transaction: {}'.format(amount))
-            amount = Decimal("0.00")
+        if not isinstance(amount, Decimal):
+            if ',' in amount and '.' in amount:
+                # Handle thousand-seperator , or .
+                if amount.find(',') < amount.find('.'):
+                    amount = amount.replace(',', '')
+                else:
+                    amount = amount.replace('.', '')
+            amount = amount_pattern.sub("", amount.replace(',', '.'))
+            try:
+                amount = Decimal(amount)
+            except:
+                logger.exception('Could not parse amount of transaction: {}'.format(amount))
+                amount = Decimal("0.00")
 
         trans = BankTransaction(event=event, organizer=organizer, import_job=job,
                                 payer=row.get('payer', ''),

src/pretix/plugins/banktransfer/urls.py

@@ -1,5 +1,8 @@
 from django.conf.urls import url
 
+from pretix.api.urls import orga_router
+from pretix.plugins.banktransfer.api import BankImportJobViewSet
+
 from . import views
 
 urlpatterns = [
@@ -19,3 +22,5 @@ urlpatterns = [
     url(r'^control/event/(?P<organizer>[^/]+)/(?P<event>[^/]+)/banktransfer/action/',
         views.EventActionView.as_view(), name='import.action'),
 ]
+
+orga_router.register('bankimportjobs', BankImportJobViewSet)