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module SalesReporter
module Reports
class SalesByDate
def render(sales)
sales_by_date = {}
sales.each do |s|
d = s.date
if sales_by_date[d]
sales_by_date[d][:count] += s.quantity
sales_by_date[d][:total] += s.amount
else
sales_by_date[d] = {:count => s.quantity, :total => s.amount}
end
end
puts "Date: Streams: Revenue:"
puts "------------------------------------------"
total_rev = 0
total_streams = 0
sales_by_date.each do |key, row|
puts "#{key.iso8601}: #{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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