diff --git a/app/controllers/api/v1/statuses/translations_controller.rb b/app/controllers/api/v1/statuses/translations_controller.rb
new file mode 100644
index 0000000000..540b17d009
--- /dev/null
+++ b/app/controllers/api/v1/statuses/translations_controller.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class Api::V1::Statuses::TranslationsController < Api::BaseController
+ include Authorization
+
+ before_action -> { doorkeeper_authorize! :read, :'read:statuses' }
+ before_action :set_status
+ before_action :set_translation
+
+ rescue_from TranslationService::NotConfiguredError, with: :not_found
+ rescue_from TranslationService::UnexpectedResponseError, TranslationService::QuotaExceededError, TranslationService::TooManyRequestsError, with: :service_unavailable
+
+ def create
+ render json: @translation, serializer: REST::TranslationSerializer
+ end
+
+ private
+
+ def set_status
+ @status = Status.find(params[:status_id])
+ authorize @status, :show?
+ rescue Mastodon::NotPermittedError
+ not_found
+ end
+
+ def set_translation
+ @translation = TranslateStatusService.new.call(@status, content_locale)
+ end
+end
diff --git a/app/javascript/mastodon/actions/statuses.js b/app/javascript/mastodon/actions/statuses.js
index 32a4f1f857..4ae1b21e01 100644
--- a/app/javascript/mastodon/actions/statuses.js
+++ b/app/javascript/mastodon/actions/statuses.js
@@ -34,6 +34,11 @@ export const STATUS_FETCH_SOURCE_REQUEST = 'STATUS_FETCH_SOURCE_REQUEST';
export const STATUS_FETCH_SOURCE_SUCCESS = 'STATUS_FETCH_SOURCE_SUCCESS';
export const STATUS_FETCH_SOURCE_FAIL = 'STATUS_FETCH_SOURCE_FAIL';
+export const STATUS_TRANSLATE_REQUEST = 'STATUS_TRANSLATE_REQUEST';
+export const STATUS_TRANSLATE_SUCCESS = 'STATUS_TRANSLATE_SUCCESS';
+export const STATUS_TRANSLATE_FAIL = 'STATUS_TRANSLATE_FAIL';
+export const STATUS_TRANSLATE_UNDO = 'STATUS_TRANSLATE_UNDO';
+
export function fetchStatusRequest(id, skipLoading) {
return {
type: STATUS_FETCH_REQUEST,
@@ -309,4 +314,36 @@ export function toggleStatusCollapse(id, isCollapsed) {
id,
isCollapsed,
};
-}
+};
+
+export const translateStatus = id => (dispatch, getState) => {
+ dispatch(translateStatusRequest(id));
+
+ api(getState).post(`/api/v1/statuses/${id}/translate`).then(response => {
+ dispatch(translateStatusSuccess(id, response.data));
+ }).catch(error => {
+ dispatch(translateStatusFail(id, error));
+ });
+};
+
+export const translateStatusRequest = id => ({
+ type: STATUS_TRANSLATE_REQUEST,
+ id,
+});
+
+export const translateStatusSuccess = (id, translation) => ({
+ type: STATUS_TRANSLATE_SUCCESS,
+ id,
+ translation,
+});
+
+export const translateStatusFail = (id, error) => ({
+ type: STATUS_TRANSLATE_FAIL,
+ id,
+ error,
+});
+
+export const undoStatusTranslation = id => ({
+ type: STATUS_TRANSLATE_UNDO,
+ id,
+});
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index 6fc132bf50..0d3b51f07a 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -85,6 +85,7 @@ class Status extends ImmutablePureComponent {
onHeightChange: PropTypes.func,
onToggleHidden: PropTypes.func,
onToggleCollapsed: PropTypes.func,
+ onTranslate: PropTypes.func,
muted: PropTypes.bool,
hidden: PropTypes.bool,
unread: PropTypes.bool,
@@ -171,6 +172,10 @@ class Status extends ImmutablePureComponent {
this.props.onToggleCollapsed(this._properStatus(), isCollapsed);
}
+ handleTranslate = () => {
+ this.props.onTranslate(this._properStatus());
+ }
+
renderLoadingMediaGallery () {
return
;
}
@@ -512,7 +517,16 @@ class Status extends ImmutablePureComponent {
-
+
{media}
diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js
index 724165ada0..c8f7bc0956 100644
--- a/app/javascript/mastodon/components/status_content.js
+++ b/app/javascript/mastodon/components/status_content.js
@@ -1,7 +1,7 @@
import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
-import { FormattedMessage } from 'react-intl';
+import { FormattedMessage, injectIntl } from 'react-intl';
import Permalink from './permalink';
import classnames from 'classnames';
import PollContainer from 'mastodon/containers/poll_container';
@@ -10,7 +10,8 @@ import { autoPlayGif } from 'mastodon/initial_state';
const MAX_HEIGHT = 642; // 20px * 32 (+ 2px padding at the top)
-export default class StatusContent extends React.PureComponent {
+export default @injectIntl
+class StatusContent extends React.PureComponent {
static contextTypes = {
router: PropTypes.object,
@@ -21,9 +22,11 @@ export default class StatusContent extends React.PureComponent {
expanded: PropTypes.bool,
showThread: PropTypes.bool,
onExpandedToggle: PropTypes.func,
+ onTranslate: PropTypes.func,
onClick: PropTypes.func,
collapsable: PropTypes.bool,
onCollapsedToggle: PropTypes.func,
+ intl: PropTypes.object,
};
state = {
@@ -163,20 +166,26 @@ export default class StatusContent extends React.PureComponent {
}
}
+ handleTranslate = () => {
+ this.props.onTranslate();
+ }
+
setRef = (c) => {
this.node = c;
}
render () {
- const { status } = this.props;
+ const { status, intl } = this.props;
const hidden = this.props.onExpandedToggle ? !this.props.expanded : this.state.hidden;
const renderReadMore = this.props.onClick && status.get('collapsed');
const renderViewThread = this.props.showThread && status.get('in_reply_to_id') && status.get('in_reply_to_account_id') === status.getIn(['account', 'id']);
+ const renderTranslate = this.props.onTranslate && ['public', 'unlisted'].includes(status.get('visibility')) && intl.locale !== status.get('language');
+ const languageNames = new Intl.DisplayNames([intl.locale], { type: 'language' });
- const content = { __html: status.get('contentHtml') };
+ const content = { __html: status.get('translation') ? status.getIn(['translation', 'content']) : status.get('contentHtml') };
const spoilerContent = { __html: status.get('spoilerHtml') };
- const lang = status.get('language');
+ const lang = status.get('translation') ? intl.locale : status.get('language');
const classNames = classnames('status__content', {
'status__content--with-action': this.props.onClick && this.context.router,
'status__content--with-spoiler': status.get('spoiler_text').length > 0,
@@ -195,6 +204,12 @@ export default class StatusContent extends React.PureComponent {
);
+ const translateButton = (
+
+ );
+
if (status.get('spoiler_text').length > 0) {
let mentionsPlaceholder = '';
@@ -223,7 +238,7 @@ export default class StatusContent extends React.PureComponent {
{!hidden && !!status.get('poll') && }
-
+ {!hidden && renderTranslate && translateButton}
{renderViewThread && showThreadButton}
);
@@ -233,7 +248,7 @@ export default class StatusContent extends React.PureComponent {
{!!status.get('poll') && }
-
+ {renderTranslate && translateButton}
{renderViewThread && showThreadButton}
,
];
@@ -249,7 +264,7 @@ export default class StatusContent extends React.PureComponent {
{!!status.get('poll') && }
-
+ {renderTranslate && translateButton}
{renderViewThread && showThreadButton}
);
diff --git a/app/javascript/mastodon/containers/status_container.js b/app/javascript/mastodon/containers/status_container.js
index 28698b082d..9280a6ee3f 100644
--- a/app/javascript/mastodon/containers/status_container.js
+++ b/app/javascript/mastodon/containers/status_container.js
@@ -25,6 +25,8 @@ import {
revealStatus,
toggleStatusCollapse,
editStatus,
+ translateStatus,
+ undoStatusTranslation,
} from '../actions/statuses';
import {
unmuteAccount,
@@ -150,6 +152,14 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
dispatch(editStatus(status.get('id'), history));
},
+ onTranslate (status) {
+ if (status.get('translation')) {
+ dispatch(undoStatusTranslation(status.get('id')));
+ } else {
+ dispatch(translateStatus(status.get('id')));
+ }
+ },
+
onDirect (account, router) {
dispatch(directCompose(account, router));
},
diff --git a/app/javascript/mastodon/features/status/components/detailed_status.js b/app/javascript/mastodon/features/status/components/detailed_status.js
index 5c43c20388..320a847f7a 100644
--- a/app/javascript/mastodon/features/status/components/detailed_status.js
+++ b/app/javascript/mastodon/features/status/components/detailed_status.js
@@ -37,6 +37,7 @@ class DetailedStatus extends ImmutablePureComponent {
onOpenMedia: PropTypes.func.isRequired,
onOpenVideo: PropTypes.func.isRequired,
onToggleHidden: PropTypes.func.isRequired,
+ onTranslate: PropTypes.func.isRequired,
measureHeight: PropTypes.bool,
onHeightChange: PropTypes.func,
domain: PropTypes.string.isRequired,
@@ -103,6 +104,11 @@ class DetailedStatus extends ImmutablePureComponent {
window.open(href, 'mastodon-intent', 'width=445,height=600,resizable=no,menubar=no,status=no,scrollbars=yes');
}
+ handleTranslate = () => {
+ const { onTranslate, status } = this.props;
+ onTranslate(status);
+ }
+
render () {
const status = (this.props.status && this.props.status.get('reblog')) ? this.props.status.get('reblog') : this.props.status;
const outerStyle = { boxSizing: 'border-box' };
@@ -260,7 +266,12 @@ class DetailedStatus extends ImmutablePureComponent {
-
+
{media}
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index 4d7f24834e..5ff7e060ef 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -32,6 +32,8 @@ import {
editStatus,
hideStatus,
revealStatus,
+ translateStatus,
+ undoStatusTranslation,
} from '../../actions/statuses';
import {
unblockAccount,
@@ -339,6 +341,16 @@ class Status extends ImmutablePureComponent {
}
}
+ handleTranslate = status => {
+ const { dispatch } = this.props;
+
+ if (status.get('translation')) {
+ dispatch(undoStatusTranslation(status.get('id')));
+ } else {
+ dispatch(translateStatus(status.get('id')));
+ }
+ }
+
handleBlockClick = (status) => {
const { dispatch } = this.props;
const account = status.get('account');
@@ -558,6 +570,7 @@ class Status extends ImmutablePureComponent {
onOpenVideo={this.handleOpenVideo}
onOpenMedia={this.handleOpenMedia}
onToggleHidden={this.handleToggleHidden}
+ onTranslate={this.handleTranslate}
domain={domain}
showMedia={this.state.showMedia}
onToggleMediaVisibility={this.handleToggleMediaVisibility}
diff --git a/app/javascript/mastodon/reducers/statuses.js b/app/javascript/mastodon/reducers/statuses.js
index 53dec95859..7efb49d857 100644
--- a/app/javascript/mastodon/reducers/statuses.js
+++ b/app/javascript/mastodon/reducers/statuses.js
@@ -13,6 +13,8 @@ import {
STATUS_REVEAL,
STATUS_HIDE,
STATUS_COLLAPSE,
+ STATUS_TRANSLATE_SUCCESS,
+ STATUS_TRANSLATE_UNDO,
} from '../actions/statuses';
import { TIMELINE_DELETE } from '../actions/timelines';
import { STATUS_IMPORT, STATUSES_IMPORT } from '../actions/importer';
@@ -77,6 +79,10 @@ export default function statuses(state = initialState, action) {
return state.setIn([action.id, 'collapsed'], action.isCollapsed);
case TIMELINE_DELETE:
return deleteStatus(state, action.id, action.references);
+ case STATUS_TRANSLATE_SUCCESS:
+ return state.setIn([action.id, 'translation'], fromJS(action.translation));
+ case STATUS_TRANSLATE_UNDO:
+ return state.deleteIn([action.id, 'translation']);
default:
return state;
}
diff --git a/app/lib/translation_service.rb b/app/lib/translation_service.rb
new file mode 100644
index 0000000000..526e26ae59
--- /dev/null
+++ b/app/lib/translation_service.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class TranslationService
+ class Error < StandardError; end
+ class NotConfiguredError < Error; end
+ class TooManyRequestsError < Error; end
+ class QuotaExceededError < Error; end
+ class UnexpectedResponseError < Error; end
+
+ def self.configured
+ if ENV['DEEPL_API_KEY'].present?
+ TranslationService::DeepL.new(ENV.fetch('DEEPL_PLAN', 'free'), ENV['DEEPL_API_KEY'])
+ elsif ENV['LIBRE_TRANSLATE_ENDPOINT'].present?
+ TranslationService::LibreTranslate.new(ENV['LIBRE_TRANSLATE_ENDPOINT'], ENV['LIBRE_TRANSLATE_API_KEY'])
+ else
+ raise NotConfiguredError
+ end
+ end
+
+ def translate(_text, _source_language, _target_language)
+ raise NotImplementedError
+ end
+end
diff --git a/app/lib/translation_service/deepl.rb b/app/lib/translation_service/deepl.rb
new file mode 100644
index 0000000000..89ccf01e51
--- /dev/null
+++ b/app/lib/translation_service/deepl.rb
@@ -0,0 +1,53 @@
+# 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
diff --git a/app/lib/translation_service/libre_translate.rb b/app/lib/translation_service/libre_translate.rb
new file mode 100644
index 0000000000..66acdeed7b
--- /dev/null
+++ b/app/lib/translation_service/libre_translate.rb
@@ -0,0 +1,43 @@
+# 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)
+ req = Request.new(:post, "#{@base_url}/translate", body: Oj.dump(q: text, source: source_language, target: target_language, format: 'html', api_key: @api_key))
+ 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)
+ rescue Oj::ParseError
+ raise UnexpectedResponseError
+ end
+end
diff --git a/app/lib/translation_service/translation.rb b/app/lib/translation_service/translation.rb
new file mode 100644
index 0000000000..a55b825749
--- /dev/null
+++ b/app/lib/translation_service/translation.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class TranslationService::Translation < ActiveModelSerializers::Model
+ attributes :text, :detected_source_language
+end
diff --git a/app/serializers/rest/translation_serializer.rb b/app/serializers/rest/translation_serializer.rb
new file mode 100644
index 0000000000..a06f23f327
--- /dev/null
+++ b/app/serializers/rest/translation_serializer.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class REST::TranslationSerializer < ActiveModel::Serializer
+ attributes :content, :detected_source_language
+
+ def content
+ object.text
+ end
+end
diff --git a/app/services/translate_status_service.rb b/app/services/translate_status_service.rb
new file mode 100644
index 0000000000..b375226bec
--- /dev/null
+++ b/app/services/translate_status_service.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class TranslateStatusService < BaseService
+ CACHE_TTL = 1.day.freeze
+
+ def call(status, target_language)
+ raise Mastodon::NotPermittedError unless status.public_visibility? || status.unlisted_visibility?
+
+ @status = status
+ @target_language = target_language
+
+ Rails.cache.fetch("translations/#{@status.language}/#{@target_language}/#{content_hash}", expires_in: CACHE_TTL) { translation_backend.translate(@status.text, @status.language, @target_language) }
+ end
+
+ private
+
+ def translation_backend
+ TranslationService.configured
+ end
+
+ def content_hash
+ Digest::SHA256.base64digest(@status.text)
+ end
+end
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 3e5a556176..a361cb0ec3 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -25,6 +25,7 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
inflect.acronym 'REST'
inflect.acronym 'URL'
inflect.acronym 'ASCII'
+ inflect.acronym 'DeepL'
inflect.singular 'data', 'data'
end
diff --git a/config/routes.rb b/config/routes.rb
index 13a4a1618d..9491c51777 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -393,6 +393,8 @@ Rails.application.routes.draw do
resource :history, only: :show
resource :source, only: :show
+
+ post :translate, to: 'translations#create'
end
member do