2018-01-14 17:56:50 +01:00
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defmodule Eventos.Slug do
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@moduledoc """
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Common functions for slug generation
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"""
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def increment_slug(slug) do
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case List.pop_at(String.split(slug, "-"), -1) do
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{nil, _} ->
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slug
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2018-07-27 10:45:35 +02:00
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2018-01-14 17:56:50 +01:00
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{suffix, slug_parts} ->
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case Integer.parse(suffix) do
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{id, _} -> Enum.join(slug_parts, "-") <> "-" <> Integer.to_string(id + 1)
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:error -> slug <> "-1"
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end
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end
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end
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end
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