Class: Vop::ShellFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/vop/shell/shell_formatter.rb

Instance Method Summary collapse

Instance Method Details

#analyze(request, response) ⇒ Object 



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# File 'lib/vop/shell/shell_formatter.rb', line 7

def analyze(request, response)
  data = response.result

  if request.command.show_options[:display_type]
    # TODO check that display_type is valid
    request.command.show_options[:display_type]
  else
    if data.is_a? Array
      first_row = data.first
      if first_row.is_a? Hash
        :table
      elsif first_row.is_a? Entity
        :entity_list
      else
        :list
      end
    elsif data.is_a? Hash
      :hash
    elsif data.is_a? Entity
      :entity
    else
      :raw
    end
  end
end

#format(request, response, display_type) ⇒ Object 



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# File 'lib/vop/shell/shell_formatter.rb', line 33

def format(request, response, display_type)
  data = response.result
  command = request.command
  show_options = command.show_options

  result = case display_type
  when :table
    columns_to_display =
      if show_options[:columns]
        show_options[:columns]
      else
        # TODO this is not optimal - what if the second row has more keys than the first?
        first_row = data.first
        first_row.keys
      end

    # add an index column
    column_headers = [ '#' ] + columns_to_display

    # array of hashes -> array of arrays
    rearranged = []
    data.each do |row|
      values = [ ]
      columns_to_display.each do |key|
        values << (row[key.to_s] || row[key.to_sym])
      end
      rearranged << values
    end

    unless show_options.include?(:sort) && show_options[:sort] == false
      rearranged.sort_by! { |row| row.first || "" }
    end

    # add the index column after sorting
    rearranged.each_with_index do |row, index|
      row.unshift index
    end

    Terminal::Table.new(
      rows: rearranged,
      headings: column_headers
    )
  when :list
    data.join("\n")
  when :hash
    data.map do |k,v|
      "#{k} : #{v}"
    end.join("\n")
  when :entity_list
    data.sort_by { |e| e.id }.map do |entity|
      attributes = entity.data.sort_by do |x|

      end.map do |key, value|
        if key == entity.key
          nil
        else
          "#{key} : #{value}"
        end
      end.compact.join("\n  ")
      "[#{entity.type}] #{entity.id}\n  #{attributes}"
    end.join("\n")
  when :entity
    entity = data
    "[#{entity.type}] #{entity.id}"
  when :raw
    data
  when :data
    data.pretty_inspect
  else
    raise "unknown display type #{display_type}"
  end

  result
end