Class: ActsAsCalculator::AggregateResults

Inherits:
Object
  • Object
show all
Defined in:
lib/acts_as_calculator/aggregate_results.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(records:, formula:, as_of: nil, group_by: nil) ⇒ AggregateResults

Returns a new instance of AggregateResults.



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# File 'lib/acts_as_calculator/aggregate_results.rb', line 11

def initialize(records:, formula:, as_of: nil, group_by: nil)
  @records = records
  @formula = formula
  @as_of = as_of
  @group_by = group_by
end

Class Method Details

.call ⇒ Object 



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# File 'lib/acts_as_calculator/aggregate_results.rb', line 7

def self.call(...)
  new(...).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/acts_as_calculator/aggregate_results.rb', line 18

def call
  return total(rows) if group_by.nil?

  rows.group_by { |record| group_key(record) }.transform_values { |group| total(group) }
end