Enumerable Reports

# vibe: 0.2

def total_raised_by_currency(donations)
  grouped = {}
  donations.each do |donation|
    currency = donation[:amount].currency
    current = grouped[currency]
    if current == nil
      current = money("0.00 " + currency)
    end
    grouped[currency] = current + donation[:amount]
  end
  grouped
end

def run
  donations = [
    { amount: money("25.00 USD") },
    { amount: money("50.00 USD") },
    { amount: money("10.00 USD") }
  ]
  total_raised_by_currency(donations)
end