141 lines
4.2 KiB
PHP
141 lines
4.2 KiB
PHP
<?php
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class WDTSTranscriptManager {
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var $key = null;
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var $search_key = null;
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var $post_id = null;
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var $allow_multiple = false;
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function __construct($post_id = null) {
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if (is_numeric($post_id)) { $this->post_id = $post_id; }
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}
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function WDTSTranscriptManager($post_id = null) {
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$this->__construct($post_id);
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}
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function _get_transcripts_metadata() {
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$transcripts = false;
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if (!is_null($this->key)) {
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$post = get_post($this->post_id);
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if (!empty($post)) {
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$transcripts = get_post_meta($this->post_id, $this->key, true);
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if (!is_array($transcripts)) { $transcripts = array(); }
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}
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}
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return $transcripts;
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}
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/**
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* Save a transcript to a post.
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* @param int $post_id The post to attach the transcript to.
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* @param string $language The language of the transcript.
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* @param string $transcript The transcript content.
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* @return bool True if the transcript was saved, false otherwise.
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*/
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function save_transcript($transcript_info) {
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$user = wp_get_current_user();
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if (!empty($user)) {
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$transcript_info = (array)$transcript_info;
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$transcript_info['user_id'] = $user->ID;
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unset($transcript_info['key']);
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foreach (array_keys($transcript_info) as $key) {
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if (strpos($key, "_") === 0) { unset($transcript_info[$key]); }
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}
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if (($transcripts = $this->_get_transcripts_metadata()) !== false) {
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$max_key = 0;
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foreach ($transcripts as $transcript) {
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$max_key = max($max_key, $transcript['key']) + 1;
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}
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$transcript_info['key'] = $max_key;
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if ($this->allow_multiple) {
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$transcripts[] = $transcript_info;
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} else {
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$new_transcripts = array();
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$was_added = false;
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foreach ($transcripts as $transcript) {
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if ($transcript['language'] == $transcript_info['language']) {
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$was_added = true;
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$transcript_info['key']--;
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$new_transcripts[] = $transcript_info;
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} else {
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$new_transcripts[] = $transcript;
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}
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}
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if (!$was_added) { $new_transcripts[] = $transcript_info; }
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$transcripts = $new_transcripts;
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}
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$this->_update_search_field($transcripts);
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return update_post_meta($this->post_id, $this->key, $transcripts);
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}
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}
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return false;
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}
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function _update_search_field($transcripts) {
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if (!empty($this->search_key)) {
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$search_lines = array();
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foreach ($transcripts as $transcript) { $search_lines[] = $transcript['transcript']; }
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update_post_meta($this->post_id, $this->search_key, implode(" ", $search_lines));
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}
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}
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function delete_transcript($language = null) {
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return $this->_delete_transcript_by_field('language', $language);
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}
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function delete_transcript_by_key($key = null) {
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return $this->_delete_transcript_by_field('key', $key);
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}
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function _delete_transcript_by_field($field, $value) {
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if (($transcripts = $this->_get_transcripts_metadata()) !== false) {
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$new_transcripts = array();
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$deleted_transcript = false;
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foreach ($transcripts as $transcript) {
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if ($transcript[$field] != $value) {
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$new_transcripts[] = $transcript;
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} else {
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$deleted_transcript = $transcript;
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}
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}
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$this->_update_search_field($new_transcripts);
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update_post_meta($this->post_id, $this->key, $new_transcripts);
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return $deleted_transcript;
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}
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return false;
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}
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function get_transcripts() {
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return $this->_get_transcripts_metadata();
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}
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function get_transcripts_for_user($user_id) {
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$user_transcripts = array();
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if (($transcripts = $this->_get_transcripts_metadata()) !== false) {
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foreach ($transcripts as $transcript) {
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if ($transcript['user_id'] == $user_id) { $user_transcripts[] = $transcript; }
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}
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}
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return $user_transcripts;
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}
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function get_languages() {
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$languages = array();
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if (($transcripts = $this->_get_transcripts_metadata()) !== false) {
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foreach ($transcripts as $transcript) {
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$languages[$transcript['language']] = true;
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}
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}
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return array_keys($languages);
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}
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}
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?>
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