def get_placeholder_data_view(self, request, object_id):
"""
Return the placeholder data as dictionary.
This is used in the client for the "copy" functionality.
"""
language = 'en' #request.POST['language']
with translation.override(
language
): # Use generic solution here, don't assume django-parler is used now.
obj = self.get_object(request, object_id)
if obj is None:
json = {'success': False, 'error': 'Page not found'}
status = 404
elif not self.has_change_permission(request, obj):
json = {'success': False, 'error': 'No access to page'}
status = 403
else:
# Fetch the forms that would be displayed,
# return the data as serialized form data.
status = 200
json = {
'success': True,
'object_id': object_id,
'language_code': language,
'formset_forms': self._get_object_formset_data(request, obj),
}
return JsonResponse(json, status=status)
def get_layout_view(self, request, id):
"""
Return the metadata about a layout
"""
try:
layout = PageLayout.objects.get(pk=id)
except PageLayout.DoesNotExist:
json = {'success': False, 'error': 'Layout not found'}
status = 404
else:
template = layout.get_template()
placeholders = get_template_placeholder_data(template)
status = 200
json = {
'id': layout.id,
'key': layout.key,
'title': layout.title,
'placeholders': [p.as_dict() for p in placeholders],
}
return JsonResponse(json, status=status)
def iiif_image_api_info(request, identifier_param):
"""
Image Information endpoint for IIIF Image API 2.1, see
http://iiif.io/api/image/2.1/#image-information
"""
# TODO Add support for 'application/ld+json' response when requested
accept_header = request.environ.get('HTTP_ACCEPT')
if accept_header == 'application/ld+json':
return HttpResponseNotImplemented(
"JSON-LD response is not yet supported")
ik_image, __ = _get_image_or_404(identifier_param)
info = {
"@context": "http://iiif.io/api/image/2/context.json",
"@id": request.get_full_path(),
"@type": "iiif:Image",
"protocol": "http://iiif.io/api/image",
"width": ik_image.width,
"height": ik_image.height,
}
# TODO Return more complete info.json response per spec
if ik_image.license:
info['license'] = [ik_image.license]
attribution_value = u' '.join([
u"Credit: %s." % ik_image.credit if ik_image.credit else '',
u"Provided by: %s." % ik_image.source if ik_image.source else '',
]).strip()
if attribution_value:
info['attribution'] = [{
"@value": attribution_value,
"@language": "en",
}]
# TODO Send header "Access-Control-Allow-Origin: *" per spec?
return JsonResponse(info)