Module: MartSearch::IndexBuilderUtils

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# File 'lib/martsearch/index_builder_utils.rb', line 238

def index_concatenated_ontology_terms( concat_ont_term_conf, doc, data_row_obj, map_data, cache )
  attribute       = concat_ont_term_conf[:attr]
  split_delimiter = concat_ont_term_conf[:split_on] || ", "
  value_to_index  = extract_value_to_index( attribute, map_data[:attribute_map], { attribute => data_row_obj[attribute] } )

  if value_to_index && !value_to_index.gsub(" ","").empty?
    terms_to_test = value_to_index.split(split_delimiter)
    terms_to_test.each do |test_term|
      concat_ont_term_conf[:ontologies].each do |ontology_matcher,ontology_conf|
        regexp  = Regexp.new( ontology_matcher.to_s, Regexp::IGNORECASE )
        matcher = test_term.upcase.match( regexp )

        unless matcher.nil?
          matched_term = matcher.to_s
          cached_data  = cache[matched_term]
          term_conf    = {
            :attr => attribute,
            :idx  => {
              :term       => ontology_conf[:term],
              :term_name  => ontology_conf[:term_name],
              :breadcrumb => ontology_conf[:breadcrumb]
            }
          }

          if cached_data.nil?
            index_ontology_terms_from_fresh( doc, term_conf, matched_term, cache )
          else
            index_ontology_terms_from_cache( doc, term_conf, cached_data )
          end
        end
      end
    end
  end
end

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# File 'lib/martsearch/index_builder_utils.rb', line 162

def index_extracted_attributes( extract_conf, doc, value_to_index )
  regexp  = Regexp.new( extract_conf[:regexp] )
  matches = false

  if value_to_index.is_a?(Array)
    value_to_index.each do |value|
      matches = regexp.match( value )
      if matches then doc[ extract_conf[:idx].to_sym ].push( matches[0] ) end
    end
  else
    matches = regexp.match( value_to_index )
    if matches then doc[ extract_conf[:idx].to_sym ].push( matches[0] ) end
  end
end

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# File 'lib/martsearch/index_builder_utils.rb', line 184

def index_grouped_attributes( grouped_attr_conf, doc, data_row_obj, map_data, mart_ds=nil )
  grouped_attr_conf.each do |group|
    attrs = []
    group[:attrs].each do |attribute|
      value_to_index = extract_value_to_index( attribute, map_data[:attribute_map], { attribute => data_row_obj[attribute] }, mart_ds )

      # When we have an attribute that we're indexing the attribute NAME 
      # of, we get an array returned...  We can only pick one, so let's pick 
      # the biomart display name...
      if value_to_index.is_a?(Array) then value_to_index = value_to_index.pop() end

      if value_to_index and !value_to_index.gsub(" ","").empty?
        attrs.push(value_to_index)
      end
    end

    # Only index when we have values for ALL the grouped attributes
    if !attrs.empty? and ( attrs.size() === group[:attrs].size() )
      join_str = group[:using] ? group[:using] : "||"
      doc[ group[:idx].to_sym ].push( attrs.join(join_str) )
    end
  end
end

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# File 'lib/martsearch/index_builder_utils.rb', line 215

def index_ontology_terms( ontology_term_conf, doc, data_row_obj, map_data, cache )
  ontology_term_conf.each do |term_conf|
    attribute      = term_conf[:attr]
    value_to_index = extract_value_to_index( attribute, map_data[:attribute_map], { attribute => data_row_obj[attribute] } )

    if value_to_index && !value_to_index.gsub(" ","").empty?
      cached_data = cache[value_to_index]
      if cached_data.nil?
        index_ontology_terms_from_fresh( doc, term_conf, value_to_index, cache )
      else
        index_ontology_terms_from_cache( doc, term_conf, cached_data )
      end
    end
  end
end

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# File 'lib/martsearch/index_builder_utils.rb', line 51

def new_document
  index_config = MartSearch::Controller.instance().config[:index]
  
  # Work out fields to ignore - these will be auto populated by Solr
  copy_fields = []
  index_config[:schema][:copy_fields].each do |copy_field|
    copy_fields.push( copy_field[:dest] )
  end

  doc = {}
  index_config[:schema][:fields].each do |key,detail|
    doc[ key.to_sym ] = [] unless copy_fields.include?(key.to_s)
  end
  return doc
end

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# File 'lib/martsearch/index_builder_utils.rb', line 31

def open_daily_directory( cache_dir, delete=true )
  setup_and_move_to_work_directory()
  Dir.chdir("#{MARTSEARCH_PATH}/tmp/index_builder/#{cache_dir}")
  daily_dir = "daily_#{Date.today.to_s}"
  
  system "/bin/rm -r #{daily_dir}" if File.directory?(daily_dir) and delete
  Dir.mkdir(daily_dir) if delete or !File.directory?(daily_dir)

  # clean up old daily directories
  directories = Dir.glob("daily_*").sort
  while directories.size > 5
    system("/bin/rm -rf '#{directories.shift}'")
  end
  
  Dir.chdir(daily_dir)
end

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# File 'lib/martsearch/index_builder_utils.rb', line 72

def process_attribute_map( attribute_map )
  map                = {}
  primary_attribute  = nil
  map_to_index_field = nil
  
  # Extract all of the needed index mapping data from the "attribute_map"
  # - The "attribute_map" defines how the biomart attributes relate to the index "fields"
  # - The "primary_attribute" is the biomart attribute used to associate a set of biomart 
  #   results to an index "doc" - using the "map_to_index_field" field as the link.
  attribute_map.each do |mapping_obj|
    if mapping_obj[:use_to_map]
      if primary_attribute
        raise "You have defined more than one attribute to map to the index with! Please check your config..."
      else
        primary_attribute  = mapping_obj[:attr]
        map_to_index_field = mapping_obj[:idx].to_sym
      end
    end

    map[ mapping_obj[:attr] ]       = mapping_obj
    map[ mapping_obj[:attr] ][:idx] = map[ mapping_obj[:attr] ][:idx].to_sym
  end

  unless primary_attribute
    raise "You have not specified an attribute to map to the index with! Please check your config..."
  end

  return {
    :attribute_map      => map,
    :primary_attribute  => primary_attribute,
    :map_to_index_field => map_to_index_field
  }
end

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# File 'lib/martsearch/index_builder_utils.rb', line 11

def setup_and_move_to_work_directory
  index_builder_tmpdir = "#{MARTSEARCH_PATH}/tmp/index_builder"
  
  Dir.mkdir(index_builder_tmpdir) unless File.directory?(index_builder_tmpdir)
  Dir.chdir(index_builder_tmpdir)
  
  ['dataset_dowloads','document_cache','solr_xml'].each do |cache_dir|
    Dir.mkdir(cache_dir) unless File.directory?(cache_dir)
    if cache_dir == 'dataset_dowloads'
      Dir.chdir(cache_dir)
      Dir.mkdir('current') unless File.directory?('current')
      Dir.chdir('..')
    end
  end
end

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# File 'lib/martsearch/index_builder_utils.rb', line 278

def solr_document_xml( docs )
  solr_xml = ""
  xml      = Builder::XmlMarkup.new( :target => solr_xml, :indent => 2 )

  xml.add {
    docs.each do |doc|
      xml.doc {
        doc.each do |field,field_terms|
          field_terms.each do |term|
            xml.field( term, :name => field )
          end
        end
      }
    end
  }

  return solr_xml
end