def impact_model_pdf(page, request, id):
try:
impact_model = ImpactModel.objects.get(id=id)
except ImpactModel.DoesNotExist:
messages.warning(request, 'Unknown model')
return HttpResponseRedirect('/impactmodels/')
pdf = render_impact_model_to_pdf(impact_model)
return make_response(pdf)
def export_pdf(self):
columns = []
for i in range(len(self._datatable.columns)):
field = list(self._datatable.columns.keys())[i]
col = self._datatable.columns[field]
if not col.export or isinstance(col, DisplayColumn):
continue
columns.append(col)
cabecera = []
for i in range(len(columns)):
if not columns[i].export:
continue
cabecera.append(columns[i].label)
datos = []
r = 0
for row in self._datatable.search(self.get_queryset()):
d = []
for i in range(len(columns)):
if not columns[i].export:
continue
if columns[i].processor:
val = getattr(self._datatable,
columns[i].processor)(row, self._datatable)
else:
val = row
for attr in columns[i].sources[0].split('__'):
try:
val = getattr(val, attr)
except:
val = ''
if isinstance(val, models.Model):
val = str(val)
if val is None:
val = ''
d.append(val)
r += 1
datos.append(d)
if hasattr(settings, 'LOGO_URL_DATATABLE'):
logo_url = settings.LOGO_URL_DATATABLE
else:
logo_url = ''
if hasattr(settings, 'MEDIA_ROOT'):
static_url = settings.MEDIA_ROOT
else:
static_url = ''
pdf = render_to_pdf(
'datatableview/pdf.html', {
'cabecera': cabecera,
'datos': datos,
'logo': logo_url,
'url': static_url
})
return make_response(pdf, 'data.pdf')
def get_as_response(self):
try:
pdf = render_to_pdf(self.template_name, self.get_context())
response = make_response(pdf)
response['Content-disposition'] = 'inline; filename="{}"'.format(self.file_name)
return response
except PDFRenderingError:
error_message = 'Error trying to render PDF'
logger.exception(error_message)
return HttpResponse(error_message)