Class: JournalTocsAdapter

Inherits:
Service
  • Object
show all
Defined in:
app/service_adaptors/journal_tocs_adapter.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ JournalTocsAdapter

Returns a new instance of JournalTocsAdapter.



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# File 'app/service_adaptors/journal_tocs_adapter.rb', line 5

def initialize(config)
  @bento_search_engine = 'umlaut_journal_tocs'
  @max_items = 40
  super(config)
end

Class Method Details

.suitable_citation?(request) ⇒ Boolean

A class-method because we use it standalone in our resolve section visbility logic.

Returns:

  • (Boolean) 


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# File 'app/service_adaptors/journal_tocs_adapter.rb', line 45

def self.suitable_citation?(request)
  # We do nothing for article-level, only journal-level
  # We can do nothing without ISSN. 
  request.title_level_citation? && request.referent.issn.present?
end

Instance Method Details

#handle(request) ⇒ Object 



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# File 'app/service_adaptors/journal_tocs_adapter.rb', line 16

def handle(request)
  unless self.class.suitable_citation?(request)
    return request.dispatched(self, true)
  end

  searcher = BentoSearch.get_engine(@bento_search_engine)

  bento_results = searcher.fetch_by_issn(request.referent.issn)

  bento_results.slice!(@max_items, bento_results.length)

  # We store JSON serialization of results in the display_text field
  # of a single ServiceResponse, hacky but okay. 
  if bento_results.length > 0
    request.add_service_response( 
      :service=>self, 
      :service_data => bento_results.dump_to_json,
      :service_type_value => :journal_tocs_bento
    )
  end

  return request.dispatched(self, true)
rescue BentoSearch::FetchError => e
  Rails.logger.error("JournalTocsAdapter: Could not fetch results: #{e}")
  return request.dispatched(self, false, e)
end

#service_types_generated ⇒ Object 



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# File 'app/service_adaptors/journal_tocs_adapter.rb', line 12

def service_types_generated
  return [ServiceTypeValue[:journal_tocs_bento]]
end