def update(self):
super(AcknowledgementsCatalogView, self).update()
request, context = self.request, self.context
records = getUtility(IAcknowledgements).records.items()
if 'form.button.export_csv' in request:
banned = getUtility(IBanPrincipalConfiglet).banned
try:
self.result = self.generate_report(banned, records)
IStatusMessage(request).add(
_(u'The report was successfully generated.'))
except:
IStatusMessage(request).add(
_(u'The report was not generated.'), 'error')
self.batch = Batch(records, size=20, context=context, request=request)
def __call__(self):
request = self.request
excel = self.prepare()
if excel:
request.response.setHeader('Content-Type', 'text/csv')
request.response.setHeader(
'Content-Disposition',
'attachment; filename=%s' % self.filename)
return excel
IStatusMessage(request).add(_("No results"))
request.response.redirect(absoluteURL(self.context, request))
return
