
This improves progress bar by: - Adding progress percentage - Calculating progress bar underline based on the text length of progress bar
26 lines
709 B
Elixir
26 lines
709 B
Elixir
defmodule Display.ProgressBar do
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@moduledoc false
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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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progress_percentage = calculate_percentage(current, total)
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"|" <> String.pad_trailing(arrow, @progress_bar_length) <> "| #{current} of #{total} -> #{progress_percentage}% complete"
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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 calculate_percentage(current, total) do
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Float.round(current / total * 100, 1)
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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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