def metadata_element_pre_create_handler(sender, **kwargs):
"""Select proper form class based on element_name.
This handler is executed only when a metadata element is added as part of editing a resource
"""
element_name = kwargs['element_name']
request = kwargs['request']
if element_name == "subject": # keywords
element_form = SubjectsForm(data=request.POST)
elif element_name == "description": # abstract
element_form = AbstractValidationForm(request.POST)
elif element_name == "creator":
try:
post_data_dict = Party.get_post_data_with_identifiers(
request=request)
except Exception as ex:
return {
'is_valid': False,
'element_data_dict': None,
"errors": {
"identifiers": [ex.message]
}
}
element_form = CreatorValidationForm(post_data_dict)
elif element_name == "contributor":
try:
post_data_dict = Party.get_post_data_with_identifiers(
request=request)
except Exception as ex:
return {
'is_valid': False,
'element_data_dict': None,
"errors": {
"identifiers": [ex.message]
}
}
element_form = ContributorValidationForm(post_data_dict)
elif element_name == 'relation':
element_form = RelationValidationForm(request.POST)
elif element_name == 'source':
element_form = SourceValidationForm(request.POST)
elif element_name == 'rights':
element_form = RightsValidationForm(request.POST)
elif element_name == 'language':
element_form = LanguageValidationForm(request.POST)
elif element_name == 'date':
element_form = ValidDateValidationForm(request.POST)
elif element_name == 'fundingagency':
element_form = FundingAgencyValidationForm(request.POST)
elif element_name == 'coverage':
if 'type' in request.POST:
if request.POST['type'].lower(
) == 'point' or request.POST['type'].lower() == 'box':
element_form = CoverageSpatialForm(data=request.POST)
else:
element_form = CoverageTemporalForm(data=request.POST)
else:
element_form = CoverageTemporalForm(data=request.POST)
elif element_name == 'identifier':
element_form = IdentifierForm(data=request.POST)
else:
raise Exception(
"Invalid metadata element name:{}".format(element_name))
if element_form.is_valid():
return {
'is_valid': True,
'element_data_dict': element_form.cleaned_data
}
else:
return {
'is_valid': False,
'element_data_dict': None,
"errors": element_form.errors
}