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<?php
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class StaticsBlocks
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{
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public $user;
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public $userID;
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public $currentUser;
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public $blockManager;
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public $blockExists;
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public $blockNames;
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public $regionName;
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public function __construct($regionName, $blockNames)
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{
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global $USER, $PAGE;
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require_login(null, false);
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if (isguestuser()) {
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throw new require_login_exception('Guests are not allowed here.');
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}
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$this->userID = optional_param('userid', $USER->id, PARAM_INT);
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$this->currentUser = $this->userID == $USER->id;
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$this->user = core_user::get_user($this->userID);
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$this->blockManager = $PAGE->blocks;
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$this->blockNames = $blockNames;
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$this->regionName = $regionName;
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if (!$this->user || !core_user::is_real_user($this->userID)) {
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throw new moodle_exception('invaliduser', 'error');
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}
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}
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public function addRegion()
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{
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if (!in_array($this->regionName, $this->blockManager->get_regions())) {
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$this->blockManager->add_region($this->regionName);
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}
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}
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public function validateIfExistBlocks()
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{
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// Obtener los bloques para la región especificada
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$blocks = $this->blockManager->get_blocks_for_region($this->regionName);
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// Verificamos que hay bloques disponibles y que el array de blockNames no esté vacío
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if (empty($this->blockNames) || empty($blocks)) {
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$this->blockExists = false; // No hay bloques que validar
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return $this->blockExists;
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}
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// Extraer los nombres de los bloques en un array
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$blockNamesInBlocks = array_map(fn($block) => $block->name(), $blocks);
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// Asumimos que todos los bloques existen inicialmente
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$this->blockExists = true;
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// Verificar si cada bloque en blockNames existe en blockNamesInBlocks
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foreach ($this->blockNames as $blockName) {
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if (!in_array($blockName, $blockNamesInBlocks, true)) {
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$this->blockExists = false; // Si falta algún bloque, lo marcamos
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break; // Salimos al encontrar el primer bloque faltante
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}
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}
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return $this->blockExists;
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}
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public function removeBlocksFromRegion()
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{
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// Obtener los bloques en la región
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$blocks = $this->blockManager->get_blocks_for_region($this->regionName);
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// Comprobar si hay bloques para eliminar
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if (empty($blocks)) {
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return false; // No hay bloques que eliminar
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}
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// Recorrer cada bloque y eliminarlo
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foreach ($blocks as $block) {
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// Obtener el ID del bloque
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$blockInstanceId = $block->instance->id;
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// Eliminar el bloque
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$this->blockManager->delete_block($blockInstanceId);
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}
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return true; // Indica que la operación fue exitosa
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}
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public function addBlocksIfNotExist()
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{
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if (!$this->blockExists) {
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foreach ($this->blockNames as $blockName) {
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$this->blockManager->add_block($blockName, $this->regionName, 1, true);
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}
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}
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}
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public function renderBlocks()
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{
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global $OUTPUT;
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$this->addRegion(); // Validar si la región existe y añadirla en caso de no existir
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$this->blockManager->load_blocks(true); // Cargar bloques en la región
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$this->removeBlocksFromRegion();
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// $this->validateIfExistBlocks(); // Valida si el listado de bloques pasados por parametros coincide con los bloques cargados
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$this->addBlocksIfNotExist(); // Agrega los bloques en caso de no coincidir
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return $OUTPUT->blocks_for_region($this->regionName); // Devolver los bloques de la región
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}
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}
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