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module XeroGateway
module LineItemCalculations
def add_line_item(params = {})
line_item = nil
case params
when Hash then line_item = LineItem.new(params)
when LineItem then line_item = params
else raise InvalidLineItemError
end
@line_items << line_item
line_item
end
# Deprecated (but API for setter remains).
#
# As sub_total must equal SUM(line_item.line_amount) for the API call to pass, this is now
# automatically calculated in the sub_total method.
def sub_total=(value)
end
# Calculate the sub_total as the SUM(line_item.line_amount).
def sub_total
line_items.inject(BigDecimal.new('0')) { | sum, line_item | sum + BigDecimal.new(line_item.line_amount.to_s) }
end
# Deprecated (but API for setter remains).
#
# As total_tax must equal SUM(line_item.tax_amount) for the API call to pass, this is now
# automatically calculated in the total_tax method.
def total_tax=(value)
end
# Calculate the total_tax as the SUM(line_item.tax_amount).
def total_tax
line_items.inject(BigDecimal.new('0')) { | sum, line_item | sum + BigDecimal.new(line_item.tax_amount.to_s) }
end
# Deprecated (but API for setter remains).
#
# As total must equal sub_total + total_tax for the API call to pass, this is now
# automatically calculated in the total method.
def total=(value)
end
# Calculate the toal as sub_total + total_tax.
def total
sub_total + total_tax
end
end
end
Version data entries
12 entries across 12 versions & 3 rubygems