def get_is_image(self, value):
if self.is_image:
# Don't use the file type guesser if it's a image.
return True
if value:
from tgmfiles.fields import TgmFileField
if hasattr(value, 'instance') and isinstance(value.instance, TemporaryFileWrapper):
# Case 1: Temporary-file in form.
return allowed_type(value.instance.content_type, TgmFileField.handle_allowed_types(['type:image']))
elif hasattr(value, "url"):
# Case 2: Pre existing linked-file in form.
func = getattr(value.instance, 'is_tgm_image', None)
if func and callable(func):
return func(self.get_fq())
else:
return bool(func)
return False
def post(self, request, *args, **kwargs):
field_component = self.parse_field_component(request.POST.get('fq', None))
if not field_component:
return
valid, field_value, errors = self.validate_fq(field_component)
if valid:
form = TemporaryFileForm(field_value, request.POST, request.FILES)
if form.is_valid():
instance = form.save()
is_image_type = allowed_type(instance.content_type, TgmFileField.handle_allowed_types(['type:image']))
upload_icon = '<i class="fa fa-file"></i>'
if field_value.get_upload_image is not None:
if callable(field_value.get_upload_image):
upload_icon = field_value.get_upload_image(instance.file.path)
else:
upload_icon = force_text(field_value.get_upload_image)
return self.json_response({
'success': True,
'file': {
'id': instance.id,
'md5sum': instance.md5sum,
'url': instance.file.url,
'file_name': instance.file.name,
'instance_type': 'image' if is_image_type else 'file',
'upload_icon': upload_icon,
},
})
else:
for field, error_val in form.errors.items():
for error_txt in error_val:
errors += [force_text(error_txt)]
return self.json_response({
'success': False,
'errors': force_text(errors[0])
}, status=403)
