mobilizon.chapril.org-mobil.../lib/eventos/slug.ex

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Elixir
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defmodule Eventos.Slug do
@moduledoc """
Common functions for slug generation
"""
def increment_slug(slug) do
case List.pop_at(String.split(slug, "-"), -1) do
{nil, _} ->
slug
{suffix, slug_parts} ->
case Integer.parse(suffix) do
{id, _} -> Enum.join(slug_parts, "-") <> "-" <> Integer.to_string(id + 1)
:error -> slug <> "-1"
end
end
end
end