20 lines
495 B
Elixir
20 lines
495 B
Elixir
defmodule Display.ProgressBar do
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@progress_bar_length 30
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def progress_bar(%{current: current, total: total}) do
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arrow = calculate_progress(current, total) |> build_arrow
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"|" <> String.pad_trailing(arrow, @progress_bar_length) <> "| #{current} of #{total}"
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end
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defp calculate_progress(current, total) do
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round(current / total * @progress_bar_length)
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end
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defp build_arrow(0), do: ""
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defp build_arrow(length) do
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String.duplicate("=", length - 1) <> ">"
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end
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end
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