Class: Jekyll::InspireHEPCitationsTag

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/al_citations/inspirehep.rb

Constant Summary collapse

Citations = 
{ }

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, params, tokens) ⇒ InspireHEPCitationsTag

Returns a new instance of InspireHEPCitationsTag.



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# File 'lib/al_citations/inspirehep.rb', line 9

def initialize(tag_name, params, tokens)
  super
  @recid = params.strip
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/al_citations/inspirehep.rb', line 14

def render(context)
  recid = context[@recid.strip]
  api_url = "https://inspirehep.net/api/literature/?fields=citation_count&q=recid:#{recid}"

  begin
    # If the citation count has already been fetched, return it
    if InspireHEPCitationsTag::Citations[recid]
      return InspireHEPCitationsTag::Citations[recid]
    end

    # Fetch the citation count from the API
    uri = URI(api_url)
    response = Net::HTTP.get(uri)
    data = JSON.parse(response)

    # Extract citation count from the JSON data
    citation_count = data["hits"]["hits"][0]["metadata"]["citation_count"].to_i

    # Format the citation count for readability
    citation_count = Helpers.number_to_human(citation_count, format: '%n%u', precision: 2, units: { thousand: 'K', million: 'M', billion: 'B' })

  rescue Exception => e
    # Handle any errors that may occur during fetching
    citation_count = "N/A"

    # Print the error message including the exception class and message
    puts "Error fetching citation count for #{recid}: #{e.class} - #{e.message}"
  end

  InspireHEPCitationsTag::Citations[recid] = citation_count
  return "#{citation_count}"
end