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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace aiprovider_openai;
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use core_ai\aimodel\base;
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/**
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* Helper class for the OpenAI provider.
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*
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* @package aiprovider_openai
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* @copyright 2025 Huong Nguyen <huongnv13@gmail.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class helper {
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/**
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* Get all model classes.
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*
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* @return array Array of model classes.
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*/
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public static function get_model_classes(): array {
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$models = [];
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$modelclasses = \core_component::get_component_classes_in_namespace('aiprovider_openai', 'aimodel');
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foreach ($modelclasses as $class => $path) {
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if (!class_exists($class) || !is_a($class, base::class, true)) {
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throw new \coding_exception("Model class not valid: {$class}");
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}
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$models[] = $class;
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}
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return $models;
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}
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/**
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* Get model class by name.
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*
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* @param string $modelname Model name.
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* @return base|null
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*/
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public static function get_model_class(string $modelname): ?base {
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foreach (static::get_model_classes() as $classname) {
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$model = new $classname();
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if ($model->get_model_name() === $modelname) {
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return $model;
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}
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}
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return null;
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}
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}
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