Class: RCharts::GraphHelper::Graph::Calculator

Inherits:
Object
  • Object
show all
Defined in:
app/helpers/rcharts/graph_helper/graph/calculator.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(values = {}) ⇒ Calculator

Returns a new instance of Calculator.



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# File 'app/helpers/rcharts/graph_helper/graph/calculator.rb', line 9

def initialize(values = {})
  @values = values
  @chain = []
  @selections = {}
end

Instance Method Details

#signed(sign = nil) ⇒ Object 



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# File 'app/helpers/rcharts/graph_helper/graph/calculator.rb', line 25

def signed(sign = nil)
  return self unless sign

  apply sign do
    values_for_predicate sign == :positive ? :positive? : :negative?
  end
end

#stacked(exclude_current: false) ⇒ Object 



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# File 'app/helpers/rcharts/graph_helper/graph/calculator.rb', line 33

def stacked(exclude_current: false)
  apply :stacked, exclude_current do
    collect_sum inclusive: !exclude_current
  end
end

#sum_complete ⇒ Object 



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# File 'app/helpers/rcharts/graph_helper/graph/calculator.rb', line 15

def sum_complete
  values.transform_values do |value|
    case value
    when Hash then value.values.any?(nil) ? nil : value.values.sum
    when Array then value.any?(nil) ? nil : value.sum
    else value
    end
  end
end

#to_h ⇒ Object 



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# File 'app/helpers/rcharts/graph_helper/graph/calculator.rb', line 39

def to_h
  keys.index_with do |key|
    next values if key.nil?

    values.transform_values { it[key] }
  end
end