53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class TranslationService::DeepL < TranslationService
|
|
include JsonLdHelper
|
|
|
|
def initialize(plan, api_key)
|
|
super()
|
|
|
|
@plan = plan
|
|
@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 456
|
|
raise QuotaExceededError
|
|
when 200...300
|
|
transform_response(res.body_with_limit)
|
|
else
|
|
raise UnexpectedResponseError
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def request(text, source_language, target_language)
|
|
req = Request.new(:post, endpoint_url, form: { text: text, source_lang: source_language&.upcase, target_lang: target_language, tag_handling: 'html' })
|
|
req.add_headers('Authorization': "DeepL-Auth-Key #{@api_key}")
|
|
req
|
|
end
|
|
|
|
def endpoint_url
|
|
if @plan == 'free'
|
|
'https://api-free.deepl.com/v2/translate'
|
|
else
|
|
'https://api.deepl.com/v2/translate'
|
|
end
|
|
end
|
|
|
|
def transform_response(str)
|
|
json = Oj.load(str, mode: :strict)
|
|
|
|
raise UnexpectedResponseError unless json.is_a?(Hash)
|
|
|
|
Translation.new(text: json.dig('translations', 0, 'text'), detected_source_language: json.dig('translations', 0, 'detected_source_language')&.downcase)
|
|
rescue Oj::ParseError
|
|
raise UnexpectedResponseError
|
|
end
|
|
end
|