Module: WaxTasks::Collection::Metadata

Included in:
WaxTasks::Collection
Defined in:
lib/wax_tasks/collection/metadata.rb

Instance Method Summary collapse

Instance Method Details

#consolidate_records(original, new) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 66

def consolidate_records(original, new)
  lost_record_pids = original.map(&:pid) - new.map(&:pid)
  lost_record_pids.each do |pid|
    new << original.find { |r| r.pid == pid }
  end
  new.sort_by(&:order)
end

#csv_string(records) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 76

def csv_string(records)
  keys = records.flat_map(&:keys).uniq
  CSV.generate do |csv|
    csv << keys
    records.each do |r|
      csv << keys.map { |k| r.hash.fetch(k, '') }
    end
  end
end

#json_string(records) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 88

def json_string(records)
  hashes = records.map(&:hash)
  JSON.pretty_generate hashes
end

#records_from_metadata ⇒ Object

Raises:



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# File 'lib/wax_tasks/collection/metadata.rb', line 36

def records_from_metadata
  raise Error::MissingSource, "Cannot find metadata source '#{@metadata_source}'" unless File.exist? @metadata_source

  metadata = Utils.ingest @metadata_source
  metadata.each_with_index.map do |meta, i|
    Record.new(meta).tap do |r|
      r.set 'order', Utils.padded_int(i, metadata.length) unless r.order?
      r.set 'layout', @config['layout'] if @config.key? 'layout'
      r.set 'collection', @name
    end
  end
end

#records_from_pages ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 17

def records_from_pages
  paths = Dir.glob("#{@page_source}/*.{md, markdown}")
  warn Rainbow("There are no pages in #{@page_source} to index.").orange if paths.empty?

  paths.map do |path|
    begin
      content = WaxTasks::Utils.content_clean File.read(path)
      Record.new(SafeYAML.load_file(path)).tap do |r|
        r.set 'content', content
        r.set 'permalink', "/#{@name}/#{r.pid}#{@ext}" unless r.permalink?
      end
    rescue StandardError => e
      raise Error::PageLoad, "Cannot load page #{path}\n#{e}"
    end
  end
end

#search_fields=(fields) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 11

def search_fields=(fields)
  @search_fields.concat(fields).flatten.compact.uniq
end

#update_metadata(update) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 51

def update_metadata(update)
  records = consolidate_records records_from_metadata, update
  reformatted = case File.extname @metadata_source
                when '.csv'
                  csv_string records
                when '.json'
                  json_string records
                when /\.ya?ml/
                  yaml_string records
                end
  File.open(@metadata_source, 'w') { |f| f.puts reformatted }
end

#yaml_string(records) ⇒ Object 



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# File 'lib/wax_tasks/collection/metadata.rb', line 95

def yaml_string(records)
  hashes = records.map(&:hash)
  hashes.to_yaml
end