chamilo · FraGoTe · Feb 28, 2023 · Feb 28, 2023 · Feb 28, 2023 · Feb 28, 2023
diff --git a/plugin/ai_helper/tool/learnpath.php b/plugin/ai_helper/tool/learnpath.php
@@ -9,9 +9,13 @@
 
 require_once __DIR__.'/../../../main/inc/global.inc.php';
 require_once __DIR__.'/../AiHelperPlugin.php';
+require_once __DIR__.'/../../text2speech/Text2SpeechPlugin.php';
 require_once api_get_path(SYS_CODE_PATH).'exercise/export/aiken/aiken_classes.php';
 require_once api_get_path(SYS_CODE_PATH).'exercise/export/aiken/aiken_import.inc.php';
 
+$text2speechPlugin = Text2SpeechPlugin::create();
+$isTextToSpeechEnabled = $text2speechPlugin->get('tool_enable') && $text2speechPlugin->get('tool_lp_enable');
+
 $plugin = AiHelperPlugin::create();
 
 $apiList = $plugin->getApiList();
@@ -35,6 +39,7 @@
 
         $messageGetItems = 'Generate the table of contents of a course in "%s" in %d or less chapters on the topic of "%s" in a list separated with comma, without chapter number. Do not include a conclusion chapter.';
         $prompt = sprintf($messageGetItems, $courseLanguage, $chaptersCount, $topic);
+
         $resultText = $plugin->openAiGetCompletionText($prompt, 'learnpath');
 
         if (isset($resultText['error']) && true === $resultText['error']) {
@@ -65,10 +70,19 @@
                     $promptItem = sprintf($messageGetItemContent, $topic, $courseLanguage, $wordsCount, $title);
                     $resultContentText = $plugin->openAiGetCompletionText($promptItem, 'learnpath');
                     $lpItemContent = (!empty($resultContentText) ? trim($resultContentText) : '');
+                    $audioControl = '';
+                    if ($isTextToSpeechEnabled && !empty($lpItemContent)) {
+                        $filePath = $text2speechPlugin->convert(strip_tags($lpItemContent));
+                        $audioControl = '<audio controls>'.
+                            '<source src="'.$filePath.'" type="audio/ogg">'.
+                            'Your browser does not support the audio element.'.
+                            '</audio>';
+                    }
+
                     if (false !== stripos($lpItemContent, '</head>')) {
-                        $lpItemContent = preg_replace("|</head>|i", "\r\n$style\r\n\\0", $lpItemContent);
+                        $lpItemContent = preg_replace("|</head>|i", "\r\n$style\r\n\\0", $audioControl.$lpItemContent);
                     } else {
-                        $lpItemContent = '<html><head><title>'.trim($title).'</title>'.$style.'</head><body>'.$lpItemContent.'</body></html>';
+                        $lpItemContent = '<html><head><title>'.trim($title).'</title>'.$style.'</head><body>'.$audioControl.$lpItemContent.'</body></html>';
                     }
                     $lpItems[$position]['content'] = $lpItemContent;
                     $position++;

diff --git a/plugin/text2speech/.DS_Store b/plugin/text2speech/.DS_Store
diff --git a/plugin/text2speech/README.md b/plugin/text2speech/README.md
@@ -0,0 +1,4 @@
+Text2Speech
+======
+
+Version 0.1
diff --git a/plugin/text2speech/Text2SpeechPlugin.php b/plugin/text2speech/Text2SpeechPlugin.php
@@ -0,0 +1,108 @@
+<?php
+/* For license terms, see /license.txt */
+
+/**
+ * Description of Text2SpeechPlugin.
+ *
+ * @author Francis Gonzales <[email protected]>
+ */
+class Text2SpeechPlugin extends Plugin
+{
+    public const MOZILLATTS_API = 'mozillatts';
+    public const PATH_TO_SAVE_FILES = __DIR__.'/../../app/upload/plugins/text2speech/';
+
+    protected function __construct()
+    {
+        $version = '0.1';
+        $author = 'Francis Gonzales';
+
+        $message = 'Description';
+
+        $settings = [
+            $message => 'html',
+            'tool_enable' => 'boolean',
+            'api_name' => [
+                'type' => 'select',
+                'options' => $this->getApiList(),
+            ],
+            'api_key' => 'text',
+            'url' => 'text',
+            'tool_lp_enable' => 'boolean',
+        ];
+
+        parent::__construct($version, $author, $settings);
+    }
+
+    /**
+     * Get the list of apis availables.
+     *
+     * @return array
+     */
+    public function getApiList()
+    {
+        return [
+            self::MOZILLATTS_API => 'MozillaTTS',
+        ];
+    }
+
+    /**
+     * Get the completion text from openai.
+     *
+     * @return string
+     */
+    public function convert(string $text)
+    {
+        $path = '/app/upload/plugins/text2speech/';
+        switch ($this->get('api_name')) {
+            case self::MOZILLATTS_API:
+                require_once __DIR__.'/src/mozillatts/MozillaTTS.php';
+
+                $mozillaTTS = new MozillaTTS($this->get('url'), $this->get('api_key'), self::PATH_TO_SAVE_FILES);
+                $path .= $mozillaTTS->convert($text);
+            break;
+        }
+
+        return $path;
+    }
+
+    /**
+     * Get the plugin directory name.
+     */
+    public function get_name(): string
+    {
+        return 'text2speech';
+    }
+
+    /**
+     * Get the class instance.
+     *
+     * @staticvar Text2SpeechPlugin $result
+     */
+    public static function create(): Text2SpeechPlugin
+    {
+        static $result = null;
+
+        return $result ?: $result = new self();
+    }
+
+    /**
+     * Install the plugin. create folder to save files.
+     */
+    public function install()
+    {
+        if (!file_exists(self::PATH_TO_SAVE_FILES)) {
+            mkdir(self::PATH_TO_SAVE_FILES);
+        }
+    }
+
+    /**
+     * Unistall plugin. Clear the folder.
+     */
+    public function uninstall()
+    {
+        if (file_exists(self::PATH_TO_SAVE_FILES)) {
+            array_map('unlink', glob(self::PATH_TO_SAVE_FILES.'/*.*'));
+            rmdir(self::PATH_TO_SAVE_FILES);
+        }
+    }
+}
diff --git a/plugin/text2speech/install.php b/plugin/text2speech/install.php
@@ -0,0 +1,16 @@
+<?php
+/* For license terms, see /license.txt */
+
+/**
+ * Install the Text2Speech Plugin.
+ *
+ * @package chamilo.plugin.text2speech
+ */
+require_once __DIR__.'/../../main/inc/global.inc.php';
+require_once __DIR__.'/Text2SpeechPlugin.php';
+
+if (!api_is_platform_admin()) {
+    exit('You must have admin permissions to install plugins');
+}
+
+Text2SpeechPlugin::create()->install();
diff --git a/plugin/text2speech/lang/english.php b/plugin/text2speech/lang/english.php
@@ -0,0 +1,6 @@
+<?php
+/* For license terms, see /license.txt */
+
+$strings['plugin_title'] = 'Text to Speech (Text2Speech)';
+$strings['plugin_comment'] = 'Plugin to convert text to speech using a 3rd-party service';
+$strings['tool_enable'] = 'Enable plugin';
diff --git a/plugin/text2speech/lang/french.php b/plugin/text2speech/lang/french.php
@@ -0,0 +1,6 @@
+<?php
+/* For license terms, see /license.txt */
+
+$strings['plugin_title'] = 'Texte pour parler (Text2Speech)';
+$strings['plugin_comment'] = "Ce plugin permet de convertir du texte en parole à l'aide d'un service tiers";
+$strings['tool_enable'] = 'Activer le plug-in';
diff --git a/plugin/text2speech/lang/spanish.php b/plugin/text2speech/lang/spanish.php
@@ -0,0 +1,5 @@
+<?php
+/* For license terms, see /license.txt */
+$strings['plugin_title'] = 'Texto a Voz (Text2Speech)';
+$strings['plugin_comment'] = 'Este plugin es para convertir texto a voz usando un servicio de terceros';
+$strings['tool_enable'] = 'Enable plugin';
diff --git a/plugin/text2speech/plugin.php b/plugin/text2speech/plugin.php
@@ -0,0 +1,6 @@
+<?php
+/* For license terms, see /license.txt */
+
+require_once __DIR__.'/Text2SpeechPlugin.php';
+
+$plugin_info = Text2SpeechPlugin::create()->get_info();
diff --git a/plugin/text2speech/src/IProvider.php b/plugin/text2speech/src/IProvider.php
@@ -0,0 +1,8 @@
+<?php
+
+interface IProvider
+{
+    public function __construct(string $url, string $key, string $filePath);
+
+    public function convert(string $text): string;
+}
diff --git a/plugin/text2speech/src/mozillatts/.DS_Store b/plugin/text2speech/src/mozillatts/.DS_Store
diff --git a/plugin/text2speech/src/mozillatts/MozillaTTS.php b/plugin/text2speech/src/mozillatts/MozillaTTS.php
@@ -0,0 +1,41 @@
+<?php
+
+require_once __DIR__.'/../IProvider.php';
+
+class MozillaTTS implements IProvider
+{
+    private $url;
+    private $apiKey;
+    private $filePath;
+
+    public function __construct(string $url, string $apiKey, string $filePath)
+    {
+        $this->url = $url;
+        $this->apiKey = $apiKey;
+        $this->filePath = $filePath;
+    }
+
+    public function convert(string $text): string
+    {
+        return $this->request($text);
+    }
+
+    private function request(string $data): string
+    {
+        $filename = uniqid().'.wav';
+        $filePath = $this->filePath.$filename;
+        $resource = fopen($filePath, 'w');
+
+        $client = new GuzzleHttp\Client();
+        $client->get($this->url.'?api_key='.urlencode($this->apiKey).
+            '&text='.str_replace('%0A', '+', urlencode($data)), [
+            'headers' => [
+                'Cache-Control' => 'no-cache',
+                'Content-Type' => 'audio/wav',
+            ],
+            'sink' => $resource,
+        ]);
+
+        return $filename;
+    }
+}
diff --git a/plugin/text2speech/uninstall.php b/plugin/text2speech/uninstall.php
@@ -0,0 +1,16 @@
+<?php
+/* For license terms, see /license.txt */
+
+/**
+ * Uninstall the Text2Speech Plugin.
+ *
+ * @package chamilo.plugin.text2speech
+ */
+require_once __DIR__.'/../../main/inc/global.inc.php';
+require_once __DIR__.'/Text2SpeechPlugin.php';
+
+if (!api_is_platform_admin()) {
+    exit('You must have admin permissions to install plugins');
+}
+
+Text2SpeechPlugin::create()->uninstall();