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module SalesReporter
module Reports
class SalesByCountry
def initialize
@countries = Hash.new { |h,k| h[k] = { :count => 0, :total => 0, :sales => [] } }
end
def add_sale(sale, row)
c = row['Country']
@countries[c][:sales] << sale
@countries[c][:count] += sale.quantity
@countries[c][:total] += sale.amount
end
def render
sorted = @countries.sort { |a,b| b[1][:count] <=> a[1][:count] }
puts "Country: Streams: Revenue:"
puts "------------------------------------------"
total_rev = 0
total_streams = 0
sorted.each do |key, row|
puts "#{key}: #{row[:count].to_s.rjust(7)} #{row[:total].round(5).to_s.rjust(10)} EUR"
total_rev += row[:total]
total_streams += row[:count]
end
puts "------------------------------------------"
puts "Total: #{total_streams.to_s.rjust(7)} #{total_rev.round(5).to_s.rjust(10)} EUR"
end
end
end
end
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