forked from fedi/mastodon
45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class TranslationService::LibreTranslate < TranslationService
|
|
def initialize(base_url, api_key)
|
|
super()
|
|
|
|
@base_url = base_url
|
|
@api_key = api_key
|
|
end
|
|
|
|
def translate(text, source_language, target_language)
|
|
request(text, source_language, target_language).perform do |res|
|
|
case res.code
|
|
when 429
|
|
raise TooManyRequestsError
|
|
when 403
|
|
raise QuotaExceededError
|
|
when 200...300
|
|
transform_response(res.body_with_limit, source_language)
|
|
else
|
|
raise UnexpectedResponseError
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def request(text, source_language, target_language)
|
|
body = Oj.dump(q: text, source: source_language.presence || 'auto', target: target_language, format: 'html', api_key: @api_key)
|
|
req = Request.new(:post, "#{@base_url}/translate", body: body)
|
|
req.add_headers('Content-Type': 'application/json')
|
|
req
|
|
end
|
|
|
|
def transform_response(str, source_language)
|
|
json = Oj.load(str, mode: :strict)
|
|
|
|
raise UnexpectedResponseError unless json.is_a?(Hash)
|
|
|
|
Translation.new(text: json['translatedText'], detected_source_language: source_language, provider: 'LibreTranslate')
|
|
rescue Oj::ParseError
|
|
raise UnexpectedResponseError
|
|
end
|
|
end
|