25 lines
528 B
Elixir
25 lines
528 B
Elixir
defmodule Tracker do
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def start(modules) do
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total = modules
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|> Enum.flat_map(&(&1.all_koans))
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|> Enum.count
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Agent.start_link(fn -> {total, MapSet.new()} end, name: __MODULE__)
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end
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def get do
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Agent.get(__MODULE__, &(&1))
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|> summarize
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end
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def completed(koan) do
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Agent.update(__MODULE__, fn({total, completed}) ->
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{total, MapSet.put(completed, koan)}
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end)
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end
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def summarize({total, completed}) do
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%{total: total, current: MapSet.size(completed)}
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end
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end
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