'da', 'name' => 'Danish', 'transable' => '', 'polly' => '1'], ['code' => 'nl', 'name' => 'Dutch', 'transable' => '', 'polly' => '1'], ['code' => 'zh', 'name' => 'Chinese', 'transable' => '1', 'polly' => '1'], ['code' => 'cs', 'name' => 'Czech', 'transable' => '1', 'polly' => ''], ['code' => 'en', 'name' => 'English', 'transable' => '1', 'polly' => '1'], ['code' => 'fr', 'name' => 'French', 'transable' => '1', 'polly' => '1'], ['code' => 'de', 'name' => 'German', 'transable' => '1', 'polly' => '1'], ['code' => 'it', 'name' => 'Italian', 'transable' => '1', 'polly' => '1'], ['code' => 'ja', 'name' => 'Japanese', 'transable' => '1', 'polly' => '1'], ['code' => 'ko', 'name' => 'Korean', 'transable' => '', 'polly' => '1'], ['code' => 'nb', 'name' => 'Norwegian', 'transable' => '', 'polly' => '1'], ['code' => 'pl', 'name' => 'Polish', 'transable' => '', 'polly' => '1'], ['code' => 'pt', 'name' => 'Portuguese', 'transable' => '1', 'polly' => '1'], ['code' => 'ro', 'name' => 'Romanian', 'transable' => '', 'polly' => '1'], ['code' => 'ru', 'name' => 'Russian', 'transable' => '1', 'polly' => '1'], ['code' => 'es', 'name' => 'Spanish', 'transable' => '1', 'polly' => '1'], ['code' => 'sv', 'name' => 'Swedish', 'transable' => '', 'polly' => '1'], ['code' => 'tr', 'name' => 'Turkish', 'transable' => '1', 'polly' => '1'], ['code' => 'cy', 'name' => 'Welsh', 'transable' => '', 'polly' => '1'] ]; public function prepare_paragraphs($post_id) { $clean_content = ''; $post_content = get_post_field('post_content', $post_id); $paragraphs = explode("\n", $post_content); foreach($paragraphs as $paragraph) { $clean_paragraph = $this->clean_paragraph($paragraph); $clean_content = $clean_content . "\n" . $clean_paragraph; } return $clean_content; } public function get_podcast_author() { $value = get_option( 'amazon_polly_podcast_author' ); if( empty($value) ) { $value = 'Author'; } return $value; } public function clean_paragraph($paragraph) { $clean_text = $paragraph; $clean_text = do_shortcode($clean_text); $clean_text = str_replace(' ', ' ', $clean_text); $is_ssml_enabled = $this->is_ssml_enabled(); if ($is_ssml_enabled) { $clean_text = $this->encode_ssml_tags($clean_text); } $clean_text = strip_tags($clean_text, ''); $clean_text = esc_html($clean_text); $clean_text = str_replace(' ', ' ', $clean_text); $clean_text = preg_replace("/https:\/\/([^\s]+)/", "", $clean_text); $clean_text = html_entity_decode($clean_text, ENT_QUOTES, 'UTF-8'); $clean_text = str_replace('&', ' and ', $clean_text); $clean_text = str_replace('<', ' ', $clean_text); $clean_text = str_replace('>', ' ', $clean_text); return $clean_text; } public function get_feed_size() { $feedsize = get_option( 'amazon_polly_podcast_feedsize' ); $value = intval( $feedsize ); if ( empty( $value ) ) { $value = 20; } if ( intval( $value ) < 1 ) { $value = 1; } if ( intval( $value ) > 1000 ) { $value = 1000; } update_option( 'amazon_polly_podcast_feedsize', $value ); return $value; } public function get_language_name($provided_langauge_code) { foreach ($this->languages as $language_data) { $language_code = $language_data['code']; $language_name = $language_data['name']; if ($language_code === $provided_langauge_code) { return $language_name; } } return "N/A"; } public function get_all_languages() { $supported_languages = []; foreach ($this->languages as $language_data) { $language_code = $language_data['code']; array_push($supported_languages, $language_code); } return $supported_languages; } public function get_all_translable_languages() { $supported_languages = []; foreach ($this->languages as $language_data) { $language_code = $language_data['code']; $is_language_supported = $language_data['transable']; if ( !empty($is_language_supported) ) { array_push($supported_languages, $language_code); } } return $supported_languages; } public function get_language_display($language_code) { $language_display_option = 'amazon_polly_trans_langs_' . $language_code . '_display'; $value = get_option( $language_display_option ); if ( empty($value) ) { $value = 'Flag'; } return $value; } public function get_language_label($language_code) { $language_label_option = 'amazon_polly_trans_langs_' . $language_code . '_label'; $value = get_option( $language_label_option ); if ( empty($value) ) { $value = strtoupper( $language_code ); } return $value; } public function get_all_polly_languages() { $supported_languages = []; foreach ($this->languages as $language_data) { $language_code = $language_data['code']; $is_language_supported = $language_data['polly']; if ( !empty($is_language_supported) ) { array_push($supported_languages, $language_code); } } return $supported_languages; } public function get_source_language_name() { $selected_source_language = $this->get_source_language(); foreach ($this->languages as $language_data) { $language = $language_data['code']; if (strcmp($selected_source_language, $language) === 0) { return $language_data['name']; } } return ''; } private $sdk; private $polly_client; private $translate_client; private $s3_handler; private $local_file_handler; private $translate; /** * Creates SDK objects for the plugin. * * @since 2.5.0 */ public function __construct() { //Empty } public function init() { $aws_sdk_config = $this->get_aws_sdk_config(); $this->sdk = new Aws\Sdk($aws_sdk_config); $this->polly_client = $this->sdk->createPolly(); $this->translate_client = $this->sdk->createTranslate(); $this->s3_handler = new AmazonAI_S3FileHandler(); $this->local_file_handler = new AmazonAI_LocalFileHandler(); $this->s3_handler->set_s3_client($this->sdk->createS3()); $this->translate = new AmazonAI_Translator(); } public function get_translate_client() { return $this->translate_client; } /** * Method returns file handler which is reponsible for communicating with proper storage location. * * @since 2.0.3 */ public function get_file_handler() { $is_s3_enabled = $this->is_s3_enabled(); if ( $is_s3_enabled ) { return $this->s3_handler; } else { return $this->local_file_handler; } } public function get_polly_client() { return $this->polly_client; } /** * Method removes ID3 tag from audio file * * @param string $filename File for which tag should be removed. * @since 1.0.0 */ public function remove_id3( $filename ) { // Temporary file - without IDv3 tag. $temp_filename = $filename . 'temp'; // Original file with IDv3 tag. $source_file = fopen( $filename, 'r+b' ); // IDv3 header has got 10 bytes. $id3_header = fread( $source_file, 10 ); // Calculating the total size of IDv3 tag. $int_value = 0; $byte_word = substr( $id3_header, 6, 4 ); $byte_word_length = strlen( $byte_word ); for ( $i = 0; $i < $byte_word_length; $i++ ) { $int_value += ( ord( $byte_word{$i} ) & 0x7F ) * pow( 2, ( $byte_word_length - 1 - $i ) * 7 ); } $offset = ( (int) $int_value ) + 10; // Recreating file without the IDv3 tag bytes. rewind( $source_file ); fseek( $source_file, $offset ); $temp_file = fopen( $temp_filename, 'w+b' ); while ( $buffer = fread( $source_file, 32768 ) ) { fwrite( $temp_file, $buffer, strlen( $buffer ) ); } // Swapping files. fclose( $temp_file ); unlink( $filename ); rename( $temp_filename, $filename ); } /** * Checks if auto breaths are enabled. * * @since 1.0.7 */ public function is_auto_breaths_enabled() { $value = get_option( 'amazon_polly_auto_breaths', 'on' ); if ( empty( $value ) ) { $result = false; } else { $result = true; } return $result; } public function deactive_translation_for_post($post_id) { delete_post_meta($post_id, 'amazon_ai_source_language'); $languages_code = array_column($this->languages, 'code'); foreach ( $languages_code as $language_code ) { delete_post_meta($post_id, 'amazon_polly_transcript_' . $language_code); delete_post_meta($post_id, 'amazon_polly_transcript_title_' . $language_code); } $this->delete_post($post_id); } /** * Returns source language. * * @since 2.0.0 */ public function get_post_source_language($post_id) { $value = get_post_meta( $post_id, 'amazon_ai_source_language', true ); if (empty($value)) { $value = $this->get_source_language(); } return $value; } /** * Returns source language. * * @since 2.0.0 */ public function get_source_language() { $value = get_option('amazon_ai_source_language', 'en'); if (empty($value)) { $value = 'en'; } return $value; } public function replace_if_empty($value, $new_value) { if (!empty($value)) { return $value; } else { return $new_value; } } public function is_polly_enabled_for_new_posts() { if ( $this->is_polly_enabled() ) { $default_configuration = get_option( 'amazon_polly_defconf' ); if ( 'Amazon Polly enabled' === $default_configuration ) { return true; } else { return false; } } } /** * Validates if Amazon Polly support is enabled. * * @since 2.5.0 */ public function is_polly_enabled() { $value = $this->checked_validator('amazon_ai_polly_enable'); if ('checked' == trim($value)) { return true; } else { return false; } } public function is_audio_for_translations_enabled() { if ( $this->is_polly_enabled() ) { $value = $this->checked_validator('amazon_ai_audio_for_translation_enabled'); if ('checked' == trim($value)) { return true; } else { return false; } } } public function validate_amazon_translate_access() { try { $this->translate->is_translate_accessible($this->translate_client); return true; } catch(TranslateAccessException $e) { $this->show_error_notice("notice-error", "Amazon Translate service is not reachable!"); return false; } return true; } /** * Render the enable Translation input. * * @since 2.0.0 */ public function is_translation_enabled() { if ($this->is_s3_enabled()) { $start_value = $this->checked_validator('amazon_polly_trans_enabled'); $translate_accessible = true; $supported_regions = array( 'us-east-1', 'us-east-2', 'us-west-2', 'eu-west-1' ); $selected_region = $this->get_aws_region(); if (in_array($selected_region, $supported_regions)) { if ('checked' == trim($start_value)) { if ($translate_accessible) { return true; } } } } return false; } public function get_s3_object_link($post_id, $language) { $file_name = 'amazon_polly_' . $post_id . $language . '.mp3'; $s3BucketName = $this->get_s3_bucket_name(); $cloudfront_domain_name = get_option( 'amazon_polly_cloudfront' ); if ( get_option('uploads_use_yearmonth_folders') ) { $key = get_the_date( 'Y', $post_id ) . '/' . get_the_date( 'm', $post_id ) . '/' . $file_name; } else { $key = $file_name; } if ( empty( $cloudfront_domain_name ) ) { $selected_region = $this->get_aws_region(); $audio_location_link = 'https://s3.' . $selected_region . '.amazonaws.com/' . $s3BucketName . '/' . $key; } else { $audio_location_link = 'https://' . $cloudfront_domain_name . '/' . $key; } return $audio_location_link; } /** * Validates if AWS configuration is correct and AWS can be reached. * * @since 2.5.0 */ public function validate_amazon_polly_access() { try { $this->check_aws_access(); // Checks if S3 should be used for storing files. $is_s3_enabled = $this->is_s3_enabled(); if ($is_s3_enabled) { try { // Checks if S3 bucket can be access. $accessible = $this->s3_handler->check_if_s3_bucket_accessible(); if (!$accessible) { $this->s3_handler->create_s3_bucket(); $this->show_error_notice("notice-info", "New S3 bucket created!"); } } catch(S3BucketNotAccException $e) { $this->show_error_notice("notice-info", "Can't access S3 bucket, will try to create new one!"); // If S3 bucket is not accessible, we will try to create new one. $this->s3_handler->create_s3_bucket(); $this->show_error_notice("notice-info", "New S3 bucket created!"); } } } catch(CredsException $e) { $this->deactivate_all(); $this->show_error_notice("notice-error", "Can't connect to AWS! Check your credentials and make sure your AWS accout is active!"); return false; } catch(S3BucketNotCreException $e) { $this->show_error_notice("notice-error", "Could not create S3 bucket!"); return false; } catch(Exception $e) { $this->deactivate_all(); $this->show_error_notice("notice-error", "Not known error!"); return false; } return true; } public function deactivate_all() { $this->deactivate_polly(); $this->deactivate_translate(); $this->deactivate_podcast(); } public function deactivate_polly() { update_option( 'amazon_ai_polly_enable', '' ); } public function deactivate_translate() { update_option( 'amazon_polly_trans_enabled', '' ); } public function deactivate_podcast() { update_option( 'amazon_polly_podcast_enabled', '' ); } public function show_error_notice($type, $message) { add_action('admin_notices', function () use($type, $message) { ?>

check_if_language_is_checked($option); if (empty($value)) { return false; } else { return true; } } /** * Checks if checkbox should be checked for specific language. * * @since 2.0.0 */ public function check_if_language_is_checked($lang_code) { $value = get_option($lang_code, ''); if ('amazon_polly_trans_langs_en' == $lang_code) { return ' checked '; } if (empty($value)) { return ''; } else { return ' checked '; } } /** * Get S3 bucket name. The method uses filter 'amazon_polly_s3_bucket_name, * which allows to use customer S3 bucket name instead of default one. * * @since 1.0.6 */ public function get_s3_bucket_name() { $s3_bucket_name = $this->s3_handler->get_bucket_name(); return $s3_bucket_name; } public function get_polly_voices() { $voices = $this->polly_client->describeVoices(); return $voices; } /** * Return post type value. * * @since 1.0.7 */ public function get_posttypes() { $posttypes = get_option('amazon_polly_posttypes', 'post'); return $posttypes; } /** * Checks if pollycast is enabled. * * @since 1.0.7 */ public function is_podcast_enabled() { $value = get_option('amazon_polly_podcast_enabled', 'on'); if (empty($value)) { $result = false; } else { $result = true; } return $result; } /** * Return speed for audio files. * * @since 1.0.5 */ public function get_audio_speed() { $speed = get_option('amazon_polly_speed'); if (empty($speed)) { $speed = '100'; } if (intval($speed) < 20) { $speed = '20'; } if (intval($speed) > 200) { $speed = '200'; } update_option('amazon_polly_speed', $speed); return $speed; } /** * Method returns lexicons specified in plugin configuration. * * @since 1.0.12 */ public function get_lexicons() { $lexicons = get_option('amazon_polly_lexicons', ''); $lexicons = trim($lexicons); return $lexicons; } /** * Check if SSML is enabled. * * @since 1.0.7 */ public function is_ssml_enabled() { $ssml_enabled = get_option('amazon_polly_ssml', 'on'); if (empty($ssml_enabled)) { $result = false; } else { $result = true; } $is_s3_enabled = $this->is_s3_enabled(); if ($is_s3_enabled) { return $result; } return false; } /** * Utility function which checks if checkbox for option input should be checked. * * @param string $option Name of the option which should be checked. * @since 2.0.0 */ public function checked_validator($option) { $option_value = get_option($option, 'on'); if (empty($option_value)) { return ''; } else { return ' checked '; } } /** * Checks if Media Libary support is enabled. * * @since 2.5.0 */ public function is_medialibrary_enabled() { $value = get_option('amazon_ai_medialibrary_enabled'); if (empty($value)) { $result = false; } else { $result = true; } return $result; } /** * Checks if S3 storage is enabled. * * @since 1.0.7 */ public function is_s3_enabled() { $value = get_option('amazon_polly_s3', 'on'); if (empty($value)) { $result = false; } else { $result = true; } return $result; } /** * Check connectivity with AWS can be eastablished. * * @since 2.5.0 */ private function check_aws_access() { try { $voice_list = $this->polly_client->describeVoices(); update_option('amazon_polly_valid_keys', '1'); return true; } catch(Exception $e) { update_option('amazon_polly_valid_keys', '0'); throw new CredsException('Could not connect to AWS'); } } /** * Returns AWS SDK configuration to allow connection with AWS account. * * @since 2.5.0 */ private function get_aws_sdk_config() { $aws_access_key = get_option('amazon_polly_access_key'); $aws_secret_key = get_option('amazon_polly_secret_key'); if (empty($aws_access_key)) { $aws_sdk_config = array( 'region' => $this->get_aws_region() , 'version' => 'latest', ); } else { $aws_sdk_config = array( 'region' => $this->get_aws_region() , 'version' => 'latest', 'credentials' => array( 'key' => $aws_access_key, 'secret' => $aws_secret_key, ) , ); } return $aws_sdk_config; } /** * Calculate the total price of converting all posts into audio. * * @since 1.0.0 */ public function get_price_message_for_update_all() { $post_types_supported = $this->get_posttypes_array(); $number_of_characters = 0; $posts_per_page = apply_filters('amazon_polly_posts_per_page', 5); $count_posts = wp_count_posts()->publish; $max_count_posts = 100; // Retrieving the number of characters in all posts. $paged = 0; $post_count = 0; do { $paged++; $wp_query = new WP_Query(array( 'posts_per_page' => $posts_per_page, 'post_type' => $post_types_supported, 'fields' => 'ids', 'paged' => $paged, )); $number_of_posts = $wp_query->max_num_pages; while ($wp_query->have_posts()) { $post_count++; $wp_query->the_post(); $post_id = get_the_ID(); $clean_text = $this->clean_text($post_id, true, false); $post_sentences = $this->break_text($clean_text); if (!empty($post_sentences)) { foreach($post_sentences as $sentence) { $sentence = str_replace('**AMAZONPOLLY*SSML*BREAK*time=***1s***SSML**', '', $sentence); $sentence = str_replace('**AMAZONPOLLY*SSML*BREAK*time=***500ms***SSML**', '', $sentence); $number_of_characters+= strlen($sentence); } } } // If we reached the number of posts which we wanted to read, we stop // reading next posts. if ($post_count >= $max_count_posts) { break; } } while ($paged < $number_of_posts); // Price for converting single character according to Amazon Polly pricing. $amazon_polly_price = 0.000004; // Estimating average number of characters per post. if (0 !== $post_count) { $post_chars_count_avg = $number_of_characters / $post_count; } else { $post_chars_count_avg = 0; } // Estimating the total price of convertion of all posts. $total_price = $amazon_polly_price * $count_posts * $post_chars_count_avg; $message = 'You are about to convert ' . number_format($count_posts, 0, '.', ',') . ' pieces of text-based content, which totals approximately ' . number_format($number_of_characters, 0, '.', ',') . ' characters. Based on the Amazon Polly pricing ($4 dollars per 1 million characters) it will cost you about $' . $total_price . ' to convert all of your content into to speech-based audio. Some or all of your costs might be covered by the Free Tier (conversion of 5 million characters per month for free, for the first 12 months, starting from the first request for speech). Learn more https://aws.amazon.com/polly/'; return $message; } /** * Method prepare WP_Filesystem variable for interacting with local file system. * * @since 1.0.0 */ public function prepare_wp_filesystem() { $url = wp_nonce_url( admin_url( 'post-new.php' ) ); $creds = request_filesystem_credentials( $url ); if ( ! WP_Filesystem( $creds ) ) { request_filesystem_credentials( $url ); return true; } global $wp_filesystem; return $wp_filesystem; } /** * Method breakes input text into smaller parts. * * @since 1.0.0 * @param string $text Text which should be broken. */ public function break_text($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); $parts = []; if (!empty($text)) { $part_id = 0; $paragraphs = explode("\n", $text); foreach($paragraphs as $paragraph) { $paragraph_size = strlen(trim($paragraph)); if ($paragraph_size > 0) { if ($paragraph_size <= 2800) { $parts[$part_id] = $paragraph . ' **AMAZONPOLLY*SSML*BREAK*time=***500ms***SSML** '; $part_id++; } else { $words = explode(' ', $paragraph); $current_part = ''; $last_part = ''; foreach($words as $word) { $word_length = strlen($word); $current_part_length = strlen($current_part); if ($word_length + $current_part_length < 2800) { $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 . ' **AMAZONPOLLY*SSML*BREAK*time=***500ms***SSML** '; $part_id++; } //end if } //end if } //end foreach } //end if // Modify speed $parts = $this->modify_speed($parts); return $parts; } /** * Method update sentences (input of the method), and modify their speed, * by adding SSML prosody tag for each sentence. * * @param string $sentences Sentences which should be updated. * @since 1.0.5 */ public function modify_speed($sentences) { $new_sentences = []; $new_sentence_id = 0; $speed = $this->get_audio_speed(); if (100 !== $speed) { foreach($sentences as $sentence) { $new_sentence = '' . $sentence . ''; $new_sentences[$new_sentence_id] = $new_sentence; $new_sentence_id++; } } return $new_sentences; } /** * Checks if post title should be added. * * @since 1.0.7 */ public function is_excerpt_adder_enabled() { $value = get_option('amazon_polly_add_post_excerpt', 'on'); if (empty($value)) { $result = false; } else { $result = true; } return $result; } /** * Encode SSML tags. * * @since 1.0.7 * @param string $text text which should be decoded. */ public function decode_ssml_tags( $text ) { $text = preg_replace( '/(\*\*AMAZONPOLLY\*SSML\*BREAK\*)(.*?)(\*\*\*)(.*?)(\*\*\*SSML\*\*)/', '', $text ); return $text; } /** * Method retrievies post which ID was provided, and clean it. * * @since 1.0.12 * @param string $post_id ID of the post for which test (content) should be prepapred for conversion. */ public function clean_text($post_id, $with_title, $only_title) { $clean_text = ''; // Depending on the plugin configurations, post's title will be added to the audio. if ($with_title) { if ($this->is_title_adder_enabled()) { $clean_text = get_the_title($post_id) . '. **AMAZONPOLLY*SSML*BREAK*time=***1s***SSML** '; } } // Depending on the plugin configurations, post's excerpt will be added to the audio. if ($this->is_excerpt_adder_enabled()) { $my_excerpt = apply_filters('the_excerpt', get_post_field('post_excerpt', $post_id)); $clean_text = $clean_text . $my_excerpt . ' **AMAZONPOLLY*SSML*BREAK*time=***1s***SSML** '; } $clean_text = $clean_text . get_post_field('post_content', $post_id); $clean_text = apply_filters('amazon_polly_content', $clean_text); if ($only_title) { $clean_text = get_the_title($post_id); } $clean_text = str_replace(' ', ' ', $clean_text); $clean_text = do_shortcode($clean_text); $is_ssml_enabled = $this->is_ssml_enabled(); if ($is_ssml_enabled) { $clean_text = $this->encode_ssml_tags($clean_text); } // Creating text description for images $clean_text = $this->replace_images($clean_text); $clean_text = strip_tags($clean_text, ''); $clean_text = esc_html($clean_text); $clean_text = str_replace(' ', ' ', $clean_text); $clean_text = preg_replace("/https:\/\/([^\s]+)/", "", $clean_text); $clean_text_temp = ''; $paragraphs = explode("\n", $clean_text); foreach($paragraphs as $paragraph) { $paragraph_size = strlen(trim($paragraph)); if ($paragraph_size > 0) { $clean_text_temp = $clean_text_temp . "\n" . $paragraph; } } $clean_text = $clean_text_temp; $clean_text = html_entity_decode($clean_text, ENT_QUOTES, 'UTF-8'); $clean_text = str_replace('&', ' and ', $clean_text); $clean_text = str_replace('<', ' ', $clean_text); $clean_text = str_replace('>', ' ', $clean_text); return $clean_text; } private function replace_images($clean_text) { $new_clean_text = preg_replace('/]+>/', 'Image: $1.', $clean_text); return $new_clean_text; } /** * Run when deleting a post. * * @param string $post_id ID of the post which is gonna to be deleted. * @since 1.0.0 */ public function delete_post( $post_id ) { // Check if this isn't an auto save. if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } $this->delete_post_audio( $post_id ); } /** * Delets audio for specific post. * * @param string $post_id ID of the post for which audio should be deleted. * @since 1.0.0 */ public function delete_post_audio( $post_id ) { try { // Deleting audio file. $this->init(); // Validate if this post which is being saved is one of supported types. If not, return. $post_types_supported = $this->get_posttypes_array(); $post_type = get_post_type($post_id); if (!in_array($post_type, $post_types_supported )) { return; } $audio_location = get_post_meta( $post_id, 'amazon_polly_audio_location', true ); $file = 'amazon_polly_' . $post_id . '.mp3'; $wp_filesystem = $this->prepare_wp_filesystem(); $file_handler = $this->get_file_handler(); $file_handler->delete($wp_filesystem, $file, $post_id); } catch(Exception $e) { $this->show_error_notice("notice-error", "Amazon Polly - Error while deleting file!"); error_log($e); } } /** * Encode SSML tags. * * @since 1.0.7 * @param string $text text which should be encoded. */ private function encode_ssml_tags($text) { $text = preg_replace('//', '**AMAZONPOLLY*SSML*BREAK*$1***$2***SSML**', $text); return $text; } /** * Checks if post title should be added. * * @since 1.0.7 */ public function is_title_adder_enabled() { $value = get_option('amazon_polly_add_post_title', 'on'); if (empty($value)) { $result = false; } else { $result = true; } return $result; } /** * Add Amazon Pollu QuickTag button. * * @since 1.0.7 */ public function add_quicktags() { $common = new AmazonAI_Common(); $is_ssml_enabled = $common->is_ssml_enabled(); if ( $is_ssml_enabled ) { if ( wp_script_is( 'quicktags' ) ) { ?> true, ); return $tags; } /** * Return post type value array. * * @since 1.0.7 */ public function get_posttypes_array() { $posttypes_array = get_option( 'amazon_polly_posttypes', 'post' ); $posttypes_array = explode( ' ', $posttypes_array ); $posttypes_array = apply_filters( 'amazon_polly_post_types', $posttypes_array ); return $posttypes_array; } /** * Checks if checkbox should be checked for specific language. * * @since 2.0.0 */ public function is_language_translable( $provided_language_code ) { foreach ($this->languages as $language_data) { $language_code = $language_data['code']; $is_language_supported = $language_data['transable']; if ( !empty($is_language_supported) ) { if ($provided_language_code === $language_code) { return $is_language_supported; } } } return false; } /** * Register the stylesheets for the admin area. * * @since 1.0.0 */ public function enqueue_styles() { wp_enqueue_style( 'amazon-polly', plugin_dir_url( __FILE__ ) . 'css/amazonpolly-admin.css', array(), null, 'all' ); wp_enqueue_style( 'jquery-ui-core' ); wp_enqueue_style( 'jquery-ui-progressbar' ); wp_enqueue_style( 'jquery-ui', '//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css', array(), '1.21.1', 'all' ); } /** * Register the JavaScript for the admin area. * * @since 1.0.0 */ public function enqueue_scripts() { wp_enqueue_script( 'amazon-polly', plugin_dir_url( __FILE__ ) . 'js/amazonpolly-admin.js', array( 'jquery' ), null, false ); wp_enqueue_script( 'jquery-ui-core' ); wp_enqueue_script( 'jquery-ui-progressbar' ); $nonce_array = array( 'nonce' => wp_create_nonce( 'pollyajaxnonce' ), ); wp_localize_script( 'jquery', 'pollyajax', $nonce_array ); } /** * Register meta box for 'Enable Amazon Polly' on post creation form. * * @since 1.0.0 */ public function field_checkbox() { $post_types_supported = $this->get_posttypes_array(); add_meta_box( 'amazon_polly_box_id', // This is HTML id of the box on edit screen. 'Amazon Polly', // Title of the box. 'amazon_polly_box_content', // Function to be called to display the checkboxes, see the function below. $post_types_supported, // On which edit screen the box should appear. 'normal', // Part of page where the box should appear. 'high' // Priority of the box. ); } }