Class: Coupon::Calculator::Base

Inherits:
Object
  • Object
show all
Defined in:
app/services/coupon/calculator/base.rb

Overview

Service object: base.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line_item_extractor, options = {}) ⇒ Base

Returns a new instance of Base.



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# File 'app/services/coupon/calculator/base.rb', line 6

def initialize(line_item_extractor, options = {})
  @line_item_extractor = line_item_extractor
  @tax_class = @line_item_extractor.tax_class.to_s.downcase
  @logger = options[:logger] || Rails.logger
  @allocator = options[:allocator]
  @options = options
end

Instance Attribute Details

#line_item_extractor ⇒ Object (readonly)

Returns the value of attribute line_item_extractor.



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# File 'app/services/coupon/calculator/base.rb', line 4

def line_item_extractor
  @line_item_extractor
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'app/services/coupon/calculator/base.rb', line 4

def logger
  @logger
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'app/services/coupon/calculator/base.rb', line 4

def options
  @options
end

#tax_class ⇒ Object (readonly)

Returns the value of attribute tax_class.



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# File 'app/services/coupon/calculator/base.rb', line 4

def tax_class
  @tax_class
end

Instance Method Details

#allocate_to_line(line_item, discount, allocated_amount) ⇒ Object

Allocates a computed discount to a line
line_item : instance of LineItem the line item to build discount lines upon
discount : A reference to the Discount instance in use
allocated_amount : The per-unit discount allocated,
if its a discount, should be negative



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# File 'app/services/coupon/calculator/base.rb', line 23

def allocate_to_line(line_item, discount, allocated_amount)
  Coupon::LineItemDiscountAllocator.new(line_item).allocate(discount, allocated_amount)
end

#calculate(_discount) ⇒ Object 



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# File 'app/services/coupon/calculator/base.rb', line 14

def calculate(_discount)
  raise "Not Implemented"
end