Class: CDMBL::Extractor

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/cdmbl/extractor.rb

Overview

This extractor uses the SimpleGet extractor initially and then makes subsequent passes at the full ContentDM API with identifiers taken from the contentdm api

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(oai_request: OaiRequest.new, cdm_endpoint: '', oai_set_lookup: OAISetLookup, cdm_item: CONTENTdmAPI::Item, oai_filter: OAIFilter) ⇒ Extractor

Returns a new instance of Extractor.



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# File 'lib/cdmbl/extractor.rb', line 19

def initialize(oai_request: OaiRequest.new,
               cdm_endpoint: '',
               oai_set_lookup: OAISetLookup,
               cdm_item: CONTENTdmAPI::Item,
               oai_filter: OAIFilter)
  @oai_request    = oai_request
  @cdm_item       = cdm_item
  @cdm_endpoint   = cdm_endpoint
  @oai_set_lookup = oai_set_lookup
  @oai_filter     = oai_filter
end

Instance Attribute Details

#cdm_endpoint ⇒ Object (readonly)

Returns the value of attribute cdm_endpoint.



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# File 'lib/cdmbl/extractor.rb', line 13

def cdm_endpoint
  @cdm_endpoint
end

#cdm_item ⇒ Object (readonly)

Returns the value of attribute cdm_item.



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# File 'lib/cdmbl/extractor.rb', line 13

def cdm_item
  @cdm_item
end

#oai_filter ⇒ Object (readonly)

Returns the value of attribute oai_filter.



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# File 'lib/cdmbl/extractor.rb', line 13

def oai_filter
  @oai_filter
end

#oai_request ⇒ Object (readonly)

Returns the value of attribute oai_request.



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# File 'lib/cdmbl/extractor.rb', line 13

def oai_request
  @oai_request
end

#oai_set_lookup ⇒ Object (readonly)

Returns the value of attribute oai_set_lookup.



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# File 'lib/cdmbl/extractor.rb', line 13

def oai_set_lookup
  @oai_set_lookup
end

Instance Method Details

#cdm_request(collection, id) ⇒ Object

e.g. local_identifiers.map { |identifier| extractor.cdm_request(*identifier) }



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# File 'lib/cdmbl/extractor.rb', line 48

def cdm_request(collection, id)
  CDMBL::CdmNotification.call!(collection, id, cdm_endpoint)
  cdm_item.new(base_url: cdm_endpoint, collection: collection, id: id).metadata
end

#deletable_ids ⇒ Object 



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# File 'lib/cdmbl/extractor.rb', line 35

def deletable_ids
  oai_ids.deletable_ids
end

#local_identifiers ⇒ Object 



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# File 'lib/cdmbl/extractor.rb', line 39

def local_identifiers
  oai_ids.updatable_ids
end

#next_resumption_token ⇒ Object 



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# File 'lib/cdmbl/extractor.rb', line 43

def next_resumption_token
  oai_identifiers.at_path('OAI_PMH/ListIdentifiers/resumptionToken')
end

#set_lookup ⇒ Object 



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# File 'lib/cdmbl/extractor.rb', line 31

def set_lookup
  oai_set_lookup.new(oai_sets: to_hash(sets)).keyed
end