Class: Ruport::Data::RoseTable

Inherits:
Table
  • Object
show all
Defined in:
lib/rose/ruport.rb

Overview

Enables pivoting with value columns

Instance Method Summary collapse

Instance Method Details

#grouped_rows(with, column_name) ⇒ Object 



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# File 'lib/rose/ruport.rb', line 13

def grouped_rows(with, column_name)
  rows_with(with).map { |row|
    begin
      row.send(column_name.to_sym)
    rescue NoMethodError => no_method_error
      nil
    end
  }
end

#pivot(pivot_column, options = {}) ⇒ Object 



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# File 'lib/rose/ruport.rb', line 3

def pivot(pivot_column, options = {})
  group_column = options[:group_by] ||
    raise(ArgumentError, ":group_by option required")
  value_column = options[:values]   ||
    raise(ArgumentError, ":values option required")
  RosePivot.new(
    self, group_column, pivot_column, nil, options
  ).to_table(&value_column)
end