Module: ColumnHider::ActiveRecordAttributes

Defined in:
lib/column_hider.rb

Overview

Overrides the Rails ActiveRecord Attributes "columns" method. This allows the logical removal of a column prior to its physical removal. To use, add two lines to your model: extend ColumnHider::ActiveRecordAttributes column_hider_columns :column_one, :column_two, ...

Instance Method Summary collapse

Instance Method Details

#column_hider_columns(*cols) ⇒ Object 



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# File 'lib/column_hider.rb', line 12

def column_hider_columns(*cols)
  @column_hider_columns = {}
  cols.each do |col|
    @column_hider_columns[col] = true
  end
end

#columns ⇒ Object 



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# File 'lib/column_hider.rb', line 19

def columns
  @column_hider_columns ||= {} # just in case the model has "extend ColumnHider::ActiveRecordAttributes", but doesn't call column_hider_columns
  super.reject { |col| @column_hider_columns.has_key?(col.name.to_sym) }
end