chamilo · nosolored · Nov 12, 2025
diff --git a/main/exercise/question_pool.php b/main/exercise/question_pool.php
@@ -23,6 +23,19 @@
 
 $is_allowedToEdit = api_is_allowed_to_edit(null, true);
 
+$extended = api_get_plugin_setting('extendedquestionpool', 'enable_plugin');
+
+if ($extended == 'true') {
+    $query = $_SERVER['QUERY_STRING'] ?? '';
+    $urlDest = 'question_pool_extended.php';
+
+    if (!empty($query)) {
+        $urlDest .= '?' . $query;
+    }
+    header('Location: ' . $urlDest);
+    exit;
+}
+
 $delete = isset($_GET['delete']) ? (int) $_GET['delete'] : null;
 $recup = isset($_GET['recup']) ? (int) $_GET['recup'] : null;
 $fromExercise = isset($_REQUEST['fromExercise']) ? (int) $_REQUEST['fromExercise'] : null;
@@ -510,7 +523,15 @@ function confirm_your_choice() {
 $form->addHidden('exercise_id_changed', '0');
 
 $extraField = new ExtraField('question');
-$jsForExtraFields = $extraField->addElements($form, 0, [], true);
+$extendedExtraFields = array(
+            "additional_question_category",
+            "question_data1",
+            "question_data2",
+            "question_data3",
+            "question_extra_info"
+        );
+$jsForExtraFields = $extraField->addElements($form, 0, $extendedExtraFields, true);
+
 
 $form->addButtonFilter(get_lang('Filter'), 'name');
 

diff --git a/main/exercise/question_pool_extended.php b/main/exercise/question_pool_extended.php
diff --git a/plugin/extendedquestionpool/README.md b/plugin/extendedquestionpool/README.md
@@ -0,0 +1,26 @@
+Extended Question Pool plugin
+==============================
+Este plugin amplía las funcionalidades del banco de preguntas.
+
+**Instrucciones de puesta en funcionamiento**
+
+- Habilitar el plugin en la administraci&oacute;n de Chamilo.
+- Configurar las opciones deseadas
+
+**Accesos a la herramienta**
+
+- Desde plugins, para configurar las opciones
+
+**Funcionalidades que incluye**
+
+- Mostrar el nº de preguntas total del ejercicio
+- Campos extra en las preguntas para ampliar la clasificación
+- Detectar preguntas ya utilizadas
+- Asignar puntuaciones de preguntas de manera masiva
+- Contador aciertos y fallos por preguntas
+- Ordenar las preguntas por nombre, categoría, dificultad, nº de apariciones, aciertos, fallos
+
+
+Credits
+-------
+Contributed by [Nosolored](https://www.nosolored.com/).
diff --git a/plugin/extendedquestionpool/config.php b/plugin/extendedquestionpool/config.php
@@ -0,0 +1,12 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Config the plugin.
+ *
+ * @package chamilo.plugin.extended_question_pool
+ *
+ * @author NoSoloRed <desarrollo@nosolored.com>
+ */
+require_once __DIR__.'/../../main/inc/global.inc.php';
+require_once api_get_path(SYS_PLUGIN_PATH).'extendedquestionpool/src/extendedquestionpool_plugin.class.php';
diff --git a/plugin/extendedquestionpool/database.php b/plugin/extendedquestionpool/database.php
@@ -0,0 +1,200 @@
+<?php
+/* For license terms, see /license.txt */
+
+use Doctrine\DBAL\Types\Type;
+
+/**
+ * Plugin database installation script. Can only be executed if included
+ * inside another script loading global.inc.php.
+ *
+ * @package chamilo.plugin.extendedquestionpool
+ */
+/**
+ * Check if script can be called.
+ */
+if (!function_exists('api_get_path')) {
+    exit('This script must be loaded through the Chamilo plugin installer sequence');
+}
+
+$entityManager = Database::getManager();
+
+$connection = $entityManager->getConnection();
+$platform = $connection->getDatabasePlatform();
+$sm = $connection->getSchemaManager();
+
+$extraFieldTable = Database::get_main_table(TABLE_EXTRA_FIELD);
+
+$categoryExtraField = Database::select(
+    "*",
+    $extraFieldTable,
+    [
+        'where' => ['variable = ?' => 'additional_question_category'],
+    ],
+    'first'
+);
+
+if (!$categoryExtraField) {
+    Database::insert(
+        $extraFieldTable,
+        [
+            'extra_field_type' => 4,
+            'field_type' => 1,
+            'variable' => 'additional_question_category',
+            'display_text' => 'Categoría adicional',
+            'default_value' => '',
+            'field_order' => 0,
+            'visible_to_self' => 1,
+            'changeable' => 1,
+            'filter' => 1,
+            'created_at' => api_get_utc_datetime(),
+        ]
+    );
+} else {
+    $query = "UPDATE $extraFieldTable 
+                SET visible_to_self = 1, 
+                visible_to_others = 1, 
+                changeable = 1, 
+                filter = 1
+                WHERE variable = 'additional_question_category'";
+    Database::query($query);
+}
+
+$categoryExtraField = Database::select(
+    "*",
+    $extraFieldTable,
+    [
+        'where' => ['variable = ?' => 'question_data1'],
+    ],
+    'first'
+);
+
+if (!$categoryExtraField) {
+    Database::insert(
+        $extraFieldTable,
+        [
+            'extra_field_type' => 4,
+            'field_type' => 1,
+            'variable' => 'question_data1',
+            'display_text' => 'Campo 1',
+            'default_value' => '',
+            'field_order' => 0,
+            'visible_to_self' => 1,
+            'changeable' => 1,
+            'filter' => 1,
+            'created_at' => api_get_utc_datetime(),
+        ]
+    );
+} else {
+    $query = "UPDATE $extraFieldTable 
+                SET visible_to_self = 1, 
+                visible_to_others = 1, 
+                changeable = 1, 
+                filter = 1 
+                WHERE variable = 'question_data1'";
+    Database::query($query);
+}
+
+$categoryExtraField = Database::select(
+    "*",
+    $extraFieldTable,
+    [
+        'where' => ['variable = ?' => 'question_data2'],
+    ],
+    'first'
+);
+
+if (!$categoryExtraField) {
+    Database::insert(
+        $extraFieldTable,
+        [
+            'extra_field_type' => 4,
+            'field_type' => 1,
+            'variable' => 'question_data2',
+            'display_text' => 'Campo 2',
+            'default_value' => '',
+            'field_order' => 0,
+            'visible_to_self' => 1,
+            'changeable' => 1,
+            'filter' => 1,
+            'created_at' => api_get_utc_datetime(),
+        ]
+    );
+} else {
+    $query = "UPDATE $extraFieldTable 
+                SET visible_to_self = 1, 
+                visible_to_others = 1, 
+                changeable = 1, 
+                filter = 1 
+                WHERE variable = 'question_data2'";
+    Database::query($query);
+}
+
+$categoryExtraField = Database::select(
+    "*",
+    $extraFieldTable,
+    [
+        'where' => ['variable = ?' => 'question_data3'],
+    ],
+    'first'
+);
+
+if (!$categoryExtraField) {
+    Database::insert(
+        $extraFieldTable,
+        [
+            'extra_field_type' => 4,
+            'field_type' => 1,
+            'variable' => 'question_data3',
+            'display_text' => 'Campo 3',
+            'default_value' => '',
+            'field_order' => 0,
+            'visible_to_self' => 1,
+            'changeable' => 1,
+            'filter' => 1,
+            'created_at' => api_get_utc_datetime(),
+        ]
+    );
+} else {
+    $query = "UPDATE $extraFieldTable 
+                SET visible_to_self = 1, 
+                visible_to_others = 1, 
+                changeable = 1, 
+                filter = 1 
+                WHERE variable = 'question_data3'";
+    Database::query($query);
+}
+
+$categoryExtraField = Database::select(
+    "*",
+    $extraFieldTable,
+    [
+        'where' => ['variable = ?' => 'question_extra_info'],
+    ],
+    'first'
+);
+
+if (!$categoryExtraField) {
+    Database::insert(
+        $extraFieldTable,
+        [
+            'extra_field_type' => 4,
+            'field_type' => 2,
+            'variable' => 'question_extra_info',
+            'display_text' => 'Información adicional',
+            'default_value' => '',
+            'field_order' => 0,
+            'visible_to_self' => 1,
+            'changeable' => 1,
+            'filter' => 1,
+            'created_at' => api_get_utc_datetime(),
+        ]
+    );
+} else {
+    $query = "UPDATE $extraFieldTable 
+                SET visible_to_self = 1, 
+                visible_to_others = 1, 
+                changeable = 1, 
+                filter = 1 
+                WHERE variable = 'question_extra_info'";
+    Database::query($query);
+}
diff --git a/plugin/extendedquestionpool/index.php b/plugin/extendedquestionpool/index.php
@@ -0,0 +1,3 @@
+<?php
+/* For license terms, see /license.txt */
+require_once 'config.php';
diff --git a/plugin/extendedquestionpool/install.php b/plugin/extendedquestionpool/install.php
@@ -0,0 +1,15 @@
+<?php
+/* For license terms, see /license.txt */
+/**
+ * This script is included by main/admin/settings.lib.php and generally
+ * includes things to execute in the main database (settings_current table).
+ *
+ * @package chamilo.plugin.extendedquestionpool
+ */
+require_once __DIR__.'/config.php';
+
+if (!api_is_platform_admin()) {
+    exit('You must have admin permissions to install plugins');
+}
+
+ExtendedQuestionPoolPlugin::create()->install();
diff --git a/plugin/extendedquestionpool/lang/english.php b/plugin/extendedquestionpool/lang/english.php
@@ -0,0 +1,12 @@
+<?php
+$strings['plugin_title'] = "Extended question pool";
+$strings['plugin_comment'] = "This plugin adds some extra features to the question pool";
+$strings['enable_plugin'] = "Enable plugin";
+$strings['enable_extra_data_fields'] = "Use extra info fields";
+$strings['enable_stats_count'] = "Enable stats count";
+$strings['Occurrences'] = "Occurrences";
+$strings['Failures'] = "Failures";
+$strings['Successes'] = "Successes";
+$strings['setDefaultScore'] = "Assign default score";
+$strings['correct_score'] = "Correct score";
+$strings['error_score'] = "Error score";
diff --git a/plugin/extendedquestionpool/lang/spanish.php b/plugin/extendedquestionpool/lang/spanish.php
@@ -0,0 +1,12 @@
+<?php
+$strings['plugin_title'] = "Banco de preguntas extendido";
+$strings['plugin_comment'] = "Este plugin añade funcionalidades extendidas al banco de preguntas.";
+$strings['enable_plugin'] = "Activar plugin";
+$strings['enable_extra_data_fields'] = "Utilizar campos de clasificación adicionales";
+$strings['enable_stats_count'] = "Activar recuento de fallos y aciertos";
+$strings['Occurrences'] = "Apariciones";
+$strings['Failures'] = "Fallos";
+$strings['Successes'] = "Aciertos";
+$strings['setDefaultScore'] = "Asignar puntuación por defecto";
+$strings['correct_score'] = "Puntuación correcta";
+$strings['error_score'] = "Puntuación incorrecta";
diff --git a/plugin/extendedquestionpool/plugin.php b/plugin/extendedquestionpool/plugin.php
@@ -0,0 +1,16 @@
+<?php
+/* For license terms, see /license.txt */
+
+/**
+ * This script is a configuration file for the date plugin.
+ * You can use it as a master for other platform plugins (course plugins are slightly different).
+ * These settings will be used in the administration interface for plugins (Chamilo configuration settings->Plugins).
+ *
+ * @package chamilo.plugin.extendedquestionpool
+ */
+
+/**
+ * Plugin details (must be present).
+ */
+require_once __DIR__.'/config.php';
+$plugin_info = ExtendedQuestionPoolPlugin::create()->get_info();