61 lines
1.6 KiB
Elixir
61 lines
1.6 KiB
Elixir
defmodule Localizator.Translator.Yandex do
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@type text :: String.t()
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@type locale :: String.t()
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@type from :: locale
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@type optional_from :: from | nil
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@type to :: locale
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@type message :: String.t()
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@behaviour Localizator.Translator.Base
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alias Localizator.Commons
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@impl true
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@spec detect(nil) :: {:error, message}
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def detect(nil), do: {:error, "Couldn't detect language"}
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@impl true
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@spec detect(text) :: {:ok, locale} | {:error, message}
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def detect(text) when is_bitstring(text) do
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case YandexTranslate.detect(text) do
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%{languageCode: locale} -> {:ok, locale}
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%{} -> {:error, "Couldn't detect language"}
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end
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end
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@impl true
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@spec detect(map) :: {:ok, locale} | {:error, message}
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def detect(map) when is_map(map), do: detect(Commons.first_non_empty_longest_string(map))
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@impl true
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@spec translate(text, to, optional_from) :: {:ok, text} | {:error, message}
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def translate(text, to, from \\ nil)
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def translate(text, to, from) when is_bitstring(text) and is_bitstring(to) do
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translator_response =
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case from do
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nil -> YandexTranslate.translate(text, to)
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_ -> YandexTranslate.translate(text, to, from)
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end
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case translator_response do
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%{translations: translations} ->
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translations
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|> List.first()
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|> Map.fetch(:text)
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%{message: message} ->
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{:error, message}
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end
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end
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@impl true
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@spec translate(text, to, optional_from) :: text | nil
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def translate!(text, to, from \\ nil) when is_bitstring(text) and is_bitstring(to) do
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case translate(text, to, from) do
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{:ok, result} -> result
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_ -> nil
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end
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end
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end
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