translateText( array( 'SourceLanguageCode' => 'en', 'TargetLanguageCode' => 'es', 'Text' => 'cloud', ) ); // If we reached this place, it means that translate service is reachable update_option( 'amazon_polly_trans_validated', 'ok' ); $accessible = true; } catch ( Exception $e ) { // If Amazon Translate service is not reachable Error will be thrown. update_option( 'amazon_polly_trans_validated', '' ); $accessible = false; } } else { $accessible = true; } if ( !$accessible ) { update_option( 'amazon_polly_trans_enabled', '' ); update_option( 'amazon_polly_trans_validated', '' ); throw new TranslateAccessException('Cant perform Translate operation'); } return $accessible; } public function translate_post( $common, $translate_client, $source_text, $source_language, $target_language) { $translated_text = ''; $paragraphs = explode("\n", $source_text); foreach($paragraphs as $paragraph) { $is_image_paragraph = ''; preg_match("/^\s*\s*$/", $paragraph, $is_image_paragraph); if (empty($is_image_paragraph)) { $is_strong_paragraph = ''; preg_match("/^\s*.*?strong>\s*$/", $paragraph, $is_strong_paragraph); $paragraph = $common->clean_paragraph($paragraph); $translated_paragraph = $this->translate( $translate_client, $paragraph, $source_language, $target_language); if (!empty($is_strong_paragraph)) { $translated_paragraph = "" . $translated_paragraph . ""; } } else { $translated_paragraph = $paragraph; } $translated_text = $translated_text . "\n" . "
" . $translated_paragraph . "
"; } return $translated_text; } /** * Method translates sentences using Amazon Translate service. * * @param string $translate_client Amazon Translate client reference. * @param string $source_text Source text which should be translated. * @param string $source_language Source Language * @param string $target_language Target Language. * @since 1.0.0 */ public function translate( $translate_client, $source_text, $source_language, $target_language) { $logger = new AmazonAI_Logger(); $logger->log(sprintf('%s Traslating', __METHOD__)); // Translate functionality doesn't support SSML, ONLYAUDIO, ONLYWORDS tags $source_text = preg_replace( '/(\*\*AMAZONPOLLY\*SSML\*BREAK\*)(.*?)(\*\*\*)(.*?)(\*\*\*SSML\*\*)/', '', $source_text ); $source_text = str_replace( '-AMAZONPOLLY-ONLYAUDIO-START-', '', $source_text ); $source_text = str_replace( '-AMAZONPOLLY-ONLYAUDIO-END-', '', $source_text ); $source_text = str_replace( '-AMAZONPOLLY-ONLYWORDS-START-', '', $source_text ); $source_text = str_replace( '-AMAZONPOLLY-ONLYWORDS-END-', '', $source_text ); // Because of limits of Amazon Translate service, we need to break original text info // smaller parts, which will be then send to the servicec and translation will be perfomed. $parts = $this->break_for_translate( $source_text ); $translated_text = ''; $not_first = false; foreach ( $parts as $part ) { // Between each call to Service we will sleep for 10 seconds. This allows // us to not be throttled. if ( $not_first ) { sleep( 10 ); } // Performing actual translation. $translated_text_part = $translate_client->translateText( array( 'SourceLanguageCode' => $source_language, 'TargetLanguageCode' => $target_language, 'Text' => $part, ) )['TranslatedText']; // We join all translated parts. $translated_text = $translated_text . ' ' . $translated_text_part; } $logger->log(sprintf('%s Translated text:', __METHOD__)); $logger->log(sprintf('%s', $translated_text)); return $translated_text; } /** * Method breaks text into multiple smaller parts. * * @param string $text Text which should be broken. * @since 2.0.0 */ private function break_for_translate( $text ) { $text = str_replace( '-AMAZONPOLLY-ONLYAUDIO-START-', '', $text ); $text = str_replace( '-AMAZONPOLLY-ONLYAUDIO-END-', '', $text ); $text = preg_replace( '/-AMAZONPOLLY-ONLYWORDS-START-[\S\s]*?-AMAZONPOLLY-ONLYWORDS-END-/', '', $text ); $parts = []; $part_id = 0; $text_size = strlen( trim( $text ) ); if ( $text_size > 0 ) { if ( $text_size <= 4500 ) { $parts[ $part_id ] = $text; $part_id++; } else { $words = explode( ' ', $text ); $current_part = ''; $last_part = ''; foreach ( $words as $word ) { $word_length = strlen( $word ); $current_part_length = strlen( $current_part ); if ( $word_length + $current_part_length < 4200 ) { $current_part = $current_part . $word . ' '; $last_part = $current_part; } else { $current_part = $current_part . $word . ' '; $parts[ $part_id ] = $current_part; $part_id++; $current_part = ''; $last_part = ''; } } $parts[ $part_id ] = $last_part; $part_id++; } } return $parts; } /** * Method will be called by user when clicking Translate button on GUI. * * @since 2.0.0 */ public function ajax_translate() { check_ajax_referer( 'pollyajaxnonce', 'nonce' ); $polly = new AmazonAI_PollyService(); $common = new AmazonAI_Common(); $common->init(); $logger = new AmazonAI_Logger(); $logger->log(sprintf('%s Ajax Translate', __METHOD__)); $post_id = $_POST['post_id']; $phase = $_POST['phase']; $langs = $_POST['langs']; $logger->log(sprintf('%s Phase ( %s )', __METHOD__, $phase)); $step = ''; $percentage = 0; $message = ''; $all_langs = []; $index = 0; $source_language = $common->get_source_language(); $translate_client = $common->get_translate_client(); if ( empty( $source_language ) ) { $message = 'Amazon Translate functionality needs to be enabled before publishing the post'; $step = 'done'; $percentage = 100; $logger->log(sprintf('%s Transalte functionality is not enabled )', __METHOD__)); } else { foreach ( $common->get_all_translable_languages() as $supported_lan ) { if ( $common->is_language_translable( $supported_lan ) and ( $supported_lan != $source_language ) ) { if ($common->if_translable_enabled_for_language($supported_lan)) { $all_langs[ $index ] = $supported_lan; $index++; } } } if ( 'start' == $phase ) { $langs = $all_langs; update_post_meta( $post_id, 'amazon_ai_source_language', $source_language ); } else { $logger->log(sprintf('%s Languages ( %s )', __METHOD__, implode(" ", $langs))); # Check what language $language_code = array_shift( $langs ); #Retrieve original text $content = get_post_field('post_content', $post_id); $clean_text = $common->clean_text( $post_id, false, false ); $logger->log(sprintf('%s Translating from ( %s ) to ( %s )', __METHOD__, $source_language, $language_code)); $wp_filesystem = $common->prepare_wp_filesystem(); if ( $common->is_language_translable( $language_code ) and ( $language_code != $source_language ) ) { try { $clean_title = $common->clean_text( $post_id, false, true ); $translated_title = $this->translate( $translate_client, $clean_title, $source_language, $language_code); $translated_text = $this->translate_post( $common, $translate_client, $content, $source_language, $language_code); update_post_meta( $post_id, 'amazon_polly_transcript_' . $language_code, $translated_text ); update_post_meta( $post_id, 'amazon_polly_transcript_title_' . $language_code, $translated_title ); $sentences = $common->break_text( $translated_text ); // Create audio files for files only if this functionality is enabled. if ( $common->is_audio_for_translations_enabled() ) { $logger->log(sprintf('%s Starting preparing audio version', __METHOD__)); $polly->convert_to_audio( $post_id, '', '', $sentences, $wp_filesystem, $language_code ); } } catch(Exception $e) { error_log($e); } } $percentage = 100 - ( count( $langs ) / $index ) * 100; }//end if if ( empty( $langs ) ) { $step = 'done'; $message = 'Translation completed!'; } }//end if $temp_langs = $langs; $next_lang = array_shift( $temp_langs ); if ( ! empty( $next_lang ) ) { $logger->log(sprintf('%s Next language ( %s ))', __METHOD__, $next_lang)); $message = 'Translating from ' . $common->get_language_name( $source_language ) . ' to ' . $common->get_language_name( $next_lang ); } else { $message = 'Translation completed!'; } if ( empty( $source_language ) ) { $message = 'Amazon Translate functionality needs to be enabled before publishing the post'; } echo wp_json_encode( array( 'step' => $step, 'langs' => $langs, 'percentage' => $percentage, 'message' => $message, ) ); wp_die(); } }