Method: ActiveDocument::MarkLogicSearchOptions#to_s

Defined in:
lib/ActiveDocument/mark_logic_search_options.rb

#to_s ⇒ Object

outputs the object in correctly formatted XML suitable for use in a search



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# File 'lib/ActiveDocument/mark_logic_search_options.rb', line 50

def to_s
  constraints = String.new
  additional_query = String.new
  searchable_path = String.new

  @value_constraints.each do |key, value|
    constraints << <<-XML
    <constraint name="#{key.gsub(/\s/, '_')}">
      <value>
        <element ns="#{value["namespace"]}" name="#{value["element"]}"/>
      </value>
    </constraint>
    XML
  end

  @word_constraints.each do |key, value|
    constraints << <<-XML
    <constraint name="#{key.gsub(/\s/, '_')}">
      <word>
        <element ns="#{value["namespace"]}" name="#{value["element"]}"/>
      </word>
    </constraint>
    XML
  end

  @attribute_constraints.each do |constraint_name, attribute_constraint|
    constraints << <<-XML
    <constraint name="#{constraint_name.gsub(/\s/, '_')}">
      <word>
        <attribute ns="#{attribute_constraint.attribute_namespace unless attribute_constraint.attribute_namespace.nil?}" name="#{attribute_constraint.attribute}"/>
      <element ns="#{attribute_constraint.element_namespace unless attribute_constraint.element_namespace.nil?}" name="#{attribute_constraint.element}"/>
      </word>
    </constraint>
    XML
  end

  @range_constraints.each do |key, value|
    constraints << <<-XML
    <constraint name="#{key.gsub(/\s/, '_')}">
      <range type="#{value["type"]}"
    XML
    if value.has_key?("collation")
      constraints << "collation=\"#{value["collation"]}\""
    end

    constraints << <<-XML
        >
        <element ns="#{value["namespace"]}" name="#{value["element"]}"/>
    XML

    if value.has_key?("computed_buckets")
      value["computed_buckets"].each do |computed_bucket|
        constraints << computed_bucket.to_s if computed_bucket.instance_of?(ActiveDocument::MarkLogicSearchOptions::ComputedBucket)
      end
    end
    constraints << "</range></constraint>"
  end

  # serialize the additional query information
  if @directory_constraint
    additional_query = "<additional-query>{cts:directory-query(\"#{directory_constraint}\", \"#{directory_depth}\")}</additional-query>"
  end

  # serialize the searchable_expression
  if @searchable_expression.size > 0
    searchable_path << "<searchable-expression"
    searchable_path << "  xmlns:a=\"#{@searchable_expression.keys[0]}\"" unless @searchable_expression.keys[0].nil? or @searchable_expression.keys[0].empty?
    searchable_path << '>/'
    searchable_path << "a:" unless @searchable_expression.keys[0].nil? or @searchable_expression.keys[0].empty?
    searchable_path << "#{@searchable_expression.values[0]}</searchable-expression>"
  end

  value = "<options xmlns=\"http://marklogic.com/appservices/search\">"
  unless additional_query.empty?
    value << additional_query
  end

  # add in constraints
  unless constraints.empty?
    value << constraints
  end
  value << "<return-facets>#{@return_facets}</return-facets>"

  # output the searchable expression
  unless searchable_path.empty?
    value << searchable_path
  end
  # close the options node
  value << "</options>"

end