Module: Helpers

Included in:
Serrano::Request, Serrano::RequestCursor
Defined in:
lib/serrano/filterhandler.rb

Overview

helper functions

Instance Method Summary collapse

Instance Method Details

#filter_handler(x = nil) ⇒ Object 



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# File 'lib/serrano/filterhandler.rb', line 5

def filter_handler(x = nil)
  others = %w[license_url license_version license_delay full_text_version full_text_type
    award_number award_funder]
  if x.nil?
    nil
  else
    x = stringify(x)
    nn = x.keys.collect(&:to_s)
    if nn.collect { |w| others.include? w }.any?
      nn = nn.collect { |b|
        if others.include? b
          case b
          when "license_url"
            "license.url"
          when "license_version"
            "license.version"
          when "license_delay"
            "license.delay"
          when "full_text_version"
            "full-text.version"
          when "full_text_type"
            "full-text.type"
          when "award_number"
            "award.number"
          when "award_funder"
            "award.funder"
          end
        else
          b
        end
      }
    end

    newnn = nn.collect { |m| m.tr("_", "-") }
    x = rename_keys(x, newnn)
    x.collect { |k, v| [k, v].join(":") }.join(",")

  end
end

#rename_keys(x, y) ⇒ Object 



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# File 'lib/serrano/filterhandler.rb', line 49

def rename_keys(x, y)
  (y.zip x.values).to_h
end

#stringify(x) ⇒ Object 



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# File 'lib/serrano/filterhandler.rb', line 45

def stringify(x)
  (x.keys.map { |k, _v| k.to_s }.zip x.values).to_h
end