Make refund patterns shift by days instead of timestamps

The refund patterns are defined as between days,so when copying from
another conference we should do so by number of days and not by a
timedelta including hours.

diff --git a/postgresqleu/confreg/backendforms.py b/postgresqleu/confreg/backendforms.py
index ff307e71b56b9ee67882725033bc459437a44333..56cbbcaf62062002d547b5cbfdbf31bfb335008f 100644 (file)
--- a/postgresqleu/confreg/backendforms.py
+++ b/postgresqleu/confreg/backendforms.py
@@ -700,13 +700,26 @@ class BackendTransformConferenceDateTimeForm(django.forms.Form):
         return str(self.cleaned_data['timeshift'])
 
 
+class BackendTransformConferenceDateForm(django.forms.Form):
+    dayshift = django.forms.IntegerField(required=True, help_text="Shift all dates by this many days")
+
+    def __init__(self, source, target, *args, **kwargs):
+        self.source = source
+        self.target = target
+        super(BackendTransformConferenceDateForm, self).__init__(*args, **kwargs)
+        self.fields['dayshift'].initial = (self.source.startdate - self.target.startdate).days
+
+    def confirm_value(self):
+        return str(self.cleaned_data['dayshift'])
+
+
 class BackendRefundPatternForm(BackendForm):
     helplink = 'registrations'
     list_fields = ['fromdate', 'todate', 'percent', 'fees', ]
     list_order_by = (F('fromdate').asc(nulls_first=True), 'todate', 'percent')
     exclude_date_validators = ['fromdate', 'todate', ]
     allow_copy_previous = True
-    copy_transform_form = BackendTransformConferenceDateTimeForm
+    copy_transform_form = BackendTransformConferenceDateForm
     vat_fields = {'fees': 'reg'}
 
     class Meta:
@@ -722,7 +735,7 @@ class BackendRefundPatternForm(BackendForm):
 
     @classmethod
     def copy_from_conference(self, targetconf, sourceconf, idlist, transformform):
-        xform = transformform.cleaned_data['timeshift']
+        xform = datetime.timedelta(days=transformform.cleaned_data['dayshift'])
         for id in idlist:
             source = RefundPattern.objects.get(conference=sourceconf, pk=id)
             RefundPattern(conference=targetconf,
@@ -736,12 +749,14 @@ class BackendRefundPatternForm(BackendForm):
 
     @classmethod
     def get_transform_example(self, targetconf, sourceconf, idlist, transformform):
-        xform = transformform.cleaned_data['timeshift']
-        if not idlist:
-            return None
-        s = RefundPattern.objects.filter(conference=sourceconf, todate__isnull=False)[0]
-        return "date {0} becomes {1}".format(
-            s.todate, s.todate + xform)
+        xform = datetime.timedelta(days=transformform.cleaned_data['dayshift'])
+        patterns = RefundPattern.objects.filter(conference=sourceconf, id__in=idlist)[:4]
+        return ["{} - {} becomes {} - {}".format(
+            p.fromdate or '<empty>',
+            p.todate or '<empty>',
+            p.fromdate + xform if p.fromdate else '<empty>',
+            p.todate + xform if p.todate else '<empty>',
+        ) for p in patterns]
 
 
 class ConferenceSessionSlideForm(BackendForm):