Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace aiprovider_openai\form;

use aiprovider_openai\helper;

use core_ai\form\action_settings_form;

/**

 * Base action settings form for OpenAI provider.

 *

 * @package    aiprovider_openai

 * @copyright  2025 Huong Nguyen <huongnv13@gmail.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class action_form extends action_settings_form {

    /**

     * @var array Action configuration.

     */

    protected array $actionconfig;

    /**

     * @var string|null Return URL.

     */

    protected ?string $returnurl;

    /**

     * @var string Action name.

     */

    protected string $actionname;

    /**

     * @var string Action class.

     */

    protected string $action;

    /**

     * @var int Provider ID.

     */

    protected int $providerid;

    /**

     * @var string Provider name.

     */

    protected string $providername;

    #[\Override]

    protected function definition(): void {

        $mform = $this->_form;

        $this->actionconfig = $this->_customdata['actionconfig']['settings'] ?? [];

        $this->returnurl = $this->_customdata['returnurl'] ?? null;

        $this->actionname = $this->_customdata['actionname'];

        $this->action = $this->_customdata['action'];

        $this->providerid = $this->_customdata['providerid'] ?? 0;

        $this->providername = $this->_customdata['providername'] ?? 'aiprovider_openai';

        $mform->addElement('header', 'generalsettingsheader', get_string('general', 'core'));

    }

    #[\Override]

    public function set_data($data): void {

        if (!empty($data['modelextraparams'])) {

            $data['modelextraparams'] = json_encode(json_decode($data['modelextraparams']), JSON_PRETTY_PRINT);

        }

        parent::set_data($data);

    }

    #[\Override]

    public function get_data(): ?\stdClass {

        $data = parent::get_data();

        if ($data) {

            if (isset($data->modeltemplate)) {

                if ($data->modeltemplate === 'custom') {

                    $data->model = $data->custommodel;

                } else {

                    // Set the model to the selected model template.

                    $data->model = $data->modeltemplate;

                    // Cast settings to their intended types.

                    if ($data->model === 'gpt-4o' || $data->model === 'o1') {

                        if (isset($data->top_p)) {

                            $data->top_p = floatval($data->top_p);

                        }

                        if (isset($data->max_completion_tokens)) {

                            $data->max_completion_tokens = intval($data->max_completion_tokens);

                        }

                        if (isset($data->presence_penalty)) {

                            $data->presence_penalty = floatval($data->presence_penalty);

                        }

                        if (isset($data->frequency_penalty)) {

                            $data->frequency_penalty = floatval($data->frequency_penalty);

                        }

                    }

                }

            }

            // Unset the model template.

            unset($data->custommodel);

            unset($data->modeltemplate);

            // Unset any false-y values.

            $data = (object) array_filter((array) $data);

        }

        return $data;

    }

    #[\Override]

    public function validation($data, $files): array {

        $errors = parent::validation($data, $files);

        // Validate the extra parameters.

        if (!empty($data['modelextraparams'])) {

            json_decode($data['modelextraparams']);

            if (json_last_error() !== JSON_ERROR_NONE) {

                $errors['modelextraparams'] = get_string('invalidjson', 'aiprovider_openai');

            }

        }

        // Validate the model.

        if ($data['modeltemplate'] === 'custom' && empty($data['custommodel'])) {

            $errors['custommodel'] = get_string('required');

        }

        return $errors;

    }

    #[\Override]

    public function get_defaults(): array {

        $data = parent::get_defaults();

        unset(

            $data['modeltemplate'],

            $data['custommodel'],

            $data['modelextraparams'],

        );

        return $data;

    }

    /**

     * Add model fields to the form.

     *

     * @param int $modeltype Model type.

     */

    protected function add_model_fields(int $modeltype): void {

        global $PAGE;

        $PAGE->requires->js_call_amd('aiprovider_openai/modelchooser', 'init');

        $mform = $this->_form;

        $actionname = $this->actionname;

        // Action model to use.

        $mform->addElement(

            'select',

            'modeltemplate',

            get_string("action:{$this->actionname}:model", 'aiprovider_openai'),

            $this->get_model_list($modeltype),

            ['data-modelchooser-field' => 'selector'],

        );

        $mform->setType('modeltemplate', PARAM_TEXT);

        $mform->addRule('modeltemplate', null, 'required', null, 'client');

        if (!empty($this->actionconfig['model']) &&

                (!array_key_exists($this->actionconfig['model'], $this->get_model_list($modeltype)) ||

                !empty($this->actionconfig['modelextraparams']))) {

            $defaultmodel = 'custom';

        } else if (empty($this->actionconfig['model'])) {

            $defaultmodel = ($actionname === 'generate_image') ? 'dall-e-3' : 'gpt-4o';

        } else {

            $defaultmodel = $this->actionconfig['model'];

        }

        $mform->setDefault('modeltemplate', $defaultmodel);

        $mform->addHelpButton('modeltemplate', "action:{$this->actionname}:model", 'aiprovider_openai');

        $mform->addElement('hidden', 'model', $defaultmodel);

        $mform->setType('model', PARAM_TEXT);

        $mform->addElement('text', 'custommodel', get_string('custom_model_name', 'aiprovider_openai'));

        $mform->setType('custommodel', PARAM_TEXT);

        $mform->setDefault('custommodel', $this->actionconfig['model'] ?? '');

        $mform->hideIf('custommodel', 'modeltemplate', 'neq', 'custom');

        $mform->registerNoSubmitButton('updateactionsettings');

        $mform->addElement(

            'submit',

            'updateactionsettings',

            'updateactionsettings',

            ['data-modelchooser-field' => 'updateButton', 'class' => 'd-none']

        );

    }

    /**

     * Get the list of models.

     *

     * @param int $modeltype Model type.

     * @return array List of models.

     */

    protected function get_model_list(int $modeltype): array {

        $models = [];

        $models['custom'] = get_string('custom', 'core_form');

        foreach (helper::get_model_classes() as $class) {

            $model = new $class();

            if (in_array($modeltype, $model->model_type())) {

                $models[$model->get_model_name()] = $model->get_model_display_name();

            }

        }

        return $models;

    }

}