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Add user content translations with configurable backends (#19218)

pull/1848/head
Eugen Rochko 2022-09-23 23:00:12 +02:00 committed by GitHub
parent d2f7e30a28
commit 0d6b878808
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GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 306 additions and 11 deletions
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29
app/controllers/api/v1/statuses/translations_controller.rb Normal file
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@ -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

39
app/javascript/mastodon/actions/statuses.js
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@ -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,
});

16
app/javascript/mastodon/components/status.js
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@ -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 <div className='media-gallery' style={{ height: '110px' }} />;
}
@ -512,7 +517,16 @@ class Status extends ImmutablePureComponent {
</a>
</div>
<StatusContent status={status} onClick={this.handleClick} expanded={!status.get('hidden')} showThread={showThread} onExpandedToggle={this.handleExpandedToggle} collapsable onCollapsedToggle={this.handleCollapsedToggle} />
<StatusContent
status={status}
onClick={this.handleClick}
expanded={!status.get('hidden')}
showThread={showThread}
onExpandedToggle={this.handleExpandedToggle}
onTranslate={this.handleTranslate}
collapsable
onCollapsedToggle={this.handleCollapsedToggle}
/>
{media}

31
app/javascript/mastodon/components/status_content.js
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@ -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 {
</button>
);
const translateButton = (
<button className='status__content__read-more-button' onClick={this.handleTranslate}>
{status.get('translation') ? <span><FormattedMessage id='status.translated_from' defaultMessage='Translated from {lang}' values={{ lang: languageNames.of(status.get('language')) }} /> · <FormattedMessage id='status.show_original' defaultMessage='Show original' /></span> : <FormattedMessage id='status.translate' defaultMessage='Translate' />}
</button>
);
if (status.get('spoiler_text').length > 0) {
let mentionsPlaceholder = '';
@ -223,7 +238,7 @@ export default class StatusContent extends React.PureComponent {
<div tabIndex={!hidden ? 0 : null} className={`status__content__text ${!hidden ? 'status__content__text--visible' : ''} translate`} lang={lang} dangerouslySetInnerHTML={content} />
{!hidden && !!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
{!hidden && renderTranslate && translateButton}
{renderViewThread && showThreadButton}
</div>
);
@ -233,7 +248,7 @@ export default class StatusContent extends React.PureComponent {
<div className='status__content__text status__content__text--visible translate' lang={lang} dangerouslySetInnerHTML={content} />
{!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
{renderTranslate && translateButton}
{renderViewThread && showThreadButton}
</div>,
];
@ -249,7 +264,7 @@ export default class StatusContent extends React.PureComponent {
<div className='status__content__text status__content__text--visible translate' lang={lang} dangerouslySetInnerHTML={content} />
{!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
{renderTranslate && translateButton}
{renderViewThread && showThreadButton}
</div>
);

10
app/javascript/mastodon/containers/status_container.js
View File

@ -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));
},

13
app/javascript/mastodon/features/status/components/detailed_status.js
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@ -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 {
<DisplayName account={status.get('account')} localDomain={this.props.domain} />
</a>
<StatusContent status={status} expanded={!status.get('hidden')} onExpandedToggle={this.handleExpandedToggle} />
<StatusContent
status={status}
expanded={!status.get('hidden')}
onExpandedToggle={this.handleExpandedToggle}
onTranslate={this.handleTranslate}
/>
{media}

13
app/javascript/mastodon/features/status/index.js
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@ -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}

6
app/javascript/mastodon/reducers/statuses.js
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@ -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;
}

23
app/lib/translation_service.rb Normal file
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@ -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

53
app/lib/translation_service/deepl.rb Normal file
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@ -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

43
app/lib/translation_service/libre_translate.rb Normal file
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@ -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

5
app/lib/translation_service/translation.rb Normal file
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@ -0,0 +1,5 @@
# frozen_string_literal: true
class TranslationService::Translation < ActiveModelSerializers::Model
attributes :text, :detected_source_language
end

9
app/serializers/rest/translation_serializer.rb Normal file
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@ -0,0 +1,9 @@
# frozen_string_literal: true
class REST::TranslationSerializer < ActiveModel::Serializer
attributes :content, :detected_source_language
def content
object.text
end
end

24
app/services/translate_status_service.rb Normal file
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@ -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

1
config/initializers/inflections.rb
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@ -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

2
config/routes.rb
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@ -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