def metadata_element_pre_update_handler(sender, **kwargs):
element_name = kwargs['element_name'].lower()
request = kwargs['request']
repeatable_elements = {'creator': CreatorValidationForm,
'contributor': ContributorValidationForm,
'relation': RelationValidationForm,
'source': SourceValidationForm
}
if element_name == 'title':
element_form = TitleValidationForm(request.POST)
elif element_name == "description": # abstract
element_form = AbstractValidationForm(request.POST)
elif element_name == "fundingagency":
element_form = FundingAgencyValidationForm(request.POST)
elif element_name in repeatable_elements:
# since element_name is a repeatable element (e.g creator) and data for the element
# is displayed on the landing page using formset, the data coming from a single element
# form in the request for update needs to be parsed to match with element field names
element_validation_form = repeatable_elements[element_name]
form_data = {}
for field_name in element_validation_form().fields:
if element_name.lower() == "creator" or element_name.lower() == "contributor":
# for creator or contributor who is not a hydroshare user the 'description'
# key might be missing in the POST form data
if field_name == 'description':
matching_key = [key for key in request.POST if '-'+field_name in key]
if matching_key:
matching_key = matching_key[0]
else:
continue
else:
matching_key = [key for key in request.POST if '-'+field_name in key][0]
else:
matching_key = [key for key in request.POST if '-'+field_name in key][0]
form_data[field_name] = request.POST[matching_key]
element_form = element_validation_form(form_data)
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 == 'coverage':
if 'type' in request.POST:
element_form = CoverageSpatialForm(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:
# TODO: need to return form errors
return {'is_valid': False, 'element_data_dict': None}
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}
def metadata_element_pre_create_handler(sender, **kwargs):
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":
element_form = CreatorValidationForm(request.POST)
elif element_name == "contributor":
element_form = ContributorValidationForm(request.POST)
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}