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							921 lines
						
					
					
						
							32 KiB
						
					
					
				
			
		
		
	
	
							921 lines
						
					
					
						
							32 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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/**
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 * Certificate Class
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 * Generate certificates based in the gradebook tool.
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 *
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 * @package chamilo.library.certificates
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 */
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class Certificate extends Model
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{
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    public $table;
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    public $columns = [
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        'id',
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        'cat_id',
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        'score_certificate',
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        'created_at',
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        'path_certificate',
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    ];
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    /**
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     * Certification data.
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     */
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    public $certificate_data = [];
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    /**
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     * Student's certification path.
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     */
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    public $certification_user_path = null;
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    public $certification_web_user_path = null;
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    public $html_file = null;
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    public $qr_file = null;
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    public $user_id;
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    /** If true every time we enter to the certificate URL
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     * we would generate a new certificate (good thing because we can edit the
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     * certificate and all users will have the latest certificate bad because we.
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     * load the certificate every time */
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    public $force_certificate_generation = true;
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    /**
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     * Constructor.
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     *
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     * @param int  $certificate_id        ID of the certificate
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     * @param int  $userId
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     * @param bool $sendNotification      send message to student
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     * @param bool $updateCertificateData
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     *
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     * If no ID given, take user_id and try to generate one
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     */
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    public function __construct(
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        $certificate_id = 0,
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        $userId = 0,
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        $sendNotification = false,
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        $updateCertificateData = true
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    ) {
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        $this->table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
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        $this->user_id = !empty($userId) ? $userId : api_get_user_id();
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        if (!empty($certificate_id)) {
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            $certificate = $this->get($certificate_id);
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            if (!empty($certificate) && is_array($certificate)) {
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                $this->certificate_data = $certificate;
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                $this->user_id = $this->certificate_data['user_id'];
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            }
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        }
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        if ($this->user_id) {
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            // Need to be called before any operation
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            $this->check_certificate_path();
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            // To force certification generation
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            if ($this->force_certificate_generation) {
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                $this->generate([], $sendNotification);
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            }
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            if (isset($this->certificate_data) && $this->certificate_data) {
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                if (empty($this->certificate_data['path_certificate'])) {
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                    $this->generate([], $sendNotification);
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                }
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            }
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        }
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        // Setting the qr and html variables
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        if (isset($certificate_id) &&
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            !empty($this->certification_user_path) &&
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            isset($this->certificate_data['path_certificate'])
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        ) {
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            $pathinfo = pathinfo($this->certificate_data['path_certificate']);
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            $this->html_file = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
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            $this->qr_file = $this->certification_user_path.$pathinfo['filename'].'_qr.png';
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        } else {
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            $this->check_certificate_path();
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            if (api_get_configuration_value('allow_general_certificate')) {
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                // General certificate
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                $name = md5($this->user_id).'.html';
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                $my_path_certificate = $this->certification_user_path.$name;
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                $path_certificate = '/'.$name;
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                // Getting QR filename
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                $file_info = pathinfo($path_certificate);
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                $content = $this->generateCustomCertificate();
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                $my_new_content_html = str_replace(
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                    '((certificate_barcode))',
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                    Display::img(
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                        $this->certification_web_user_path.$file_info['filename'].'_qr.png',
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                        'QR'
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                    ),
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                    $content
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                );
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                $my_new_content_html = mb_convert_encoding(
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                    $my_new_content_html,
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                    'UTF-8',
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                    api_get_system_encoding()
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                );
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                $this->html_file = $my_path_certificate;
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                $result = @file_put_contents($my_path_certificate, $my_new_content_html);
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                if ($result) {
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                    // Updating the path
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                    self::updateUserCertificateInfo(
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                        0,
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                        $this->user_id,
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                        $path_certificate,
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                        $updateCertificateData
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                    );
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                    $this->certificate_data['path_certificate'] = $path_certificate;
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                }
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            }
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        }
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    }
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    /**
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     * Checks if the certificate user path directory is created.
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     */
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    public function check_certificate_path()
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    {
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        $this->certification_user_path = null;
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        // Setting certification path
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        $path_info = UserManager::getUserPathById($this->user_id, 'system');
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        $web_path_info = UserManager::getUserPathById($this->user_id, 'web');
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        if (!empty($path_info) && isset($path_info)) {
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            $this->certification_user_path = $path_info.'certificate/';
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            $this->certification_web_user_path = $web_path_info.'certificate/';
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            $mode = api_get_permissions_for_new_directories();
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            if (!is_dir($path_info)) {
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                mkdir($path_info, $mode, true);
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            }
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            if (!is_dir($this->certification_user_path)) {
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                mkdir($this->certification_user_path, $mode);
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            }
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        }
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    }
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    /**
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     * Deletes the current certificate object. This is generally triggered by
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     * the teacher from the gradebook tool to re-generate the certificate because
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     * the original version wa flawed.
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     *
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     * @param bool $force_delete
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     *
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     * @return bool
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     */
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    public function delete($force_delete = false)
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    {
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        $delete_db = false;
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        if (!empty($this->certificate_data)) {
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            if (!is_null($this->html_file) || $this->html_file != '' || strlen($this->html_file)) {
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                // Deleting HTML file
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                if (is_file($this->html_file)) {
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                    @unlink($this->html_file);
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                    if (is_file($this->html_file) === false) {
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                        $delete_db = true;
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                    } else {
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                        $delete_db = false;
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                    }
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                }
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                // Deleting QR code PNG image file
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						|
                if (is_file($this->qr_file)) {
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                    @unlink($this->qr_file);
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                }
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                if ($delete_db || $force_delete) {
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                    return parent::delete($this->certificate_data['id']);
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                }
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            } else {
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                return parent::delete($this->certificate_data['id']);
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            }
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        }
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        return false;
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    }
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    /**
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     *  Generates an HTML Certificate and fills the path_certificate field in the DB.
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     *
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     * @param array $params
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     * @param bool  $sendNotification
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     *
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     * @return bool|int
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     */
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    public function generate($params = [], $sendNotification = false)
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    {
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        // The user directory should be set
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        if (empty($this->certification_user_path) &&
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            $this->force_certificate_generation === false
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        ) {
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            return false;
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        }
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        $params['hide_print_button'] = isset($params['hide_print_button']) ? true : false;
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        $categoryId = 0;
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        $my_category = [];
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						|
        if (isset($this->certificate_data) && isset($this->certificate_data['cat_id'])) {
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            $categoryId = $this->certificate_data['cat_id'];
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            $my_category = Category::load($categoryId);
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        }
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        if (isset($my_category[0]) && !empty($categoryId) &&
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            $my_category[0]->is_certificate_available($this->user_id)
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        ) {
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						|
            /** @var Category $category */
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            $category = $my_category[0];
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						|
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            $courseInfo = api_get_course_info($category->get_course_code());
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						|
            $courseId = $courseInfo['real_id'];
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						|
            $sessionId = $category->get_session_id();
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            $skill = new Skill();
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            $skill->addSkillToUser(
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                $this->user_id,
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                $category,
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                $courseId,
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                $sessionId
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            );
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						|
            if (is_dir($this->certification_user_path)) {
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						|
                if (!empty($this->certificate_data)) {
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                    $new_content_html = GradebookUtils::get_user_certificate_content(
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                        $this->user_id,
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                        $category->get_course_code(),
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                        $category->get_session_id(),
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                        false,
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                        $params['hide_print_button']
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                    );
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                    if ($category->get_id() == $categoryId) {
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                        $name = $this->certificate_data['path_certificate'];
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                        $myPathCertificate = $this->certification_user_path.basename($name);
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						|
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                        if (file_exists($myPathCertificate) &&
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                            !empty($name) &&
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                            !is_dir($myPathCertificate) &&
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                            $this->force_certificate_generation == false
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                        ) {
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                            // Seems that the file was already generated
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                            return true;
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                        } else {
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                            // Creating new name
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                            $name = md5($this->user_id.$this->certificate_data['cat_id']).'.html';
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                            $myPathCertificate = $this->certification_user_path.$name;
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                            $path_certificate = '/'.$name;
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						|
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						|
                            // Getting QR filename
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						|
                            $file_info = pathinfo($path_certificate);
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						|
                            $qr_code_filename = $this->certification_user_path.$file_info['filename'].'_qr.png';
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						|
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						|
                            $newContent = str_replace(
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						|
                                '((certificate_barcode))',
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						|
                                Display::img(
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						|
                                    $this->certification_web_user_path.$file_info['filename'].'_qr.png',
 | 
						|
                                    'QR'
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						|
                                ),
 | 
						|
                                $new_content_html['content']
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						|
                            );
 | 
						|
 | 
						|
                            $newContent = api_convert_encoding(
 | 
						|
                                $newContent,
 | 
						|
                                'UTF-8',
 | 
						|
                                api_get_system_encoding()
 | 
						|
                            );
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						|
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						|
                            $result = @file_put_contents($myPathCertificate, $newContent);
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						|
                            if ($result) {
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                                // Updating the path
 | 
						|
                                $this->updateUserCertificateInfo(
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						|
                                    $this->certificate_data['cat_id'],
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						|
                                    $this->user_id,
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						|
                                    $path_certificate
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						|
                                );
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						|
                                $this->certificate_data['path_certificate'] = $path_certificate;
 | 
						|
 | 
						|
                                if ($this->isHtmlFileGenerated()) {
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						|
                                    if (!empty($file_info)) {
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						|
                                        $text = $this->parseCertificateVariables(
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						|
                                            $new_content_html['variables']
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						|
                                        );
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						|
                                        $this->generateQRImage(
 | 
						|
                                            $text,
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						|
                                            $qr_code_filename
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						|
                                        );
 | 
						|
 | 
						|
                                        if ($sendNotification) {
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						|
                                            $subject = get_lang('NotificationCertificateSubject');
 | 
						|
                                            $message = nl2br(get_lang('NotificationCertificateTemplate'));
 | 
						|
                                            $score = $this->certificate_data['score_certificate'];
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						|
                                            self::sendNotification(
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						|
                                                $subject,
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						|
                                                $message,
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						|
                                                api_get_user_info($this->user_id),
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						|
                                                $courseInfo,
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						|
                                                [
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						|
                                                    'score_certificate' => $score,
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						|
                                                ]
 | 
						|
                                            );
 | 
						|
                                        }
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            return $result;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $this->check_certificate_path();
 | 
						|
 | 
						|
            // General certificate
 | 
						|
            $name = md5($this->user_id).'.html';
 | 
						|
            $my_path_certificate = $this->certification_user_path.$name;
 | 
						|
            $path_certificate = '/'.$name;
 | 
						|
 | 
						|
            // Getting QR filename
 | 
						|
            $file_info = pathinfo($path_certificate);
 | 
						|
            $content = $this->generateCustomCertificate();
 | 
						|
 | 
						|
            $my_new_content_html = str_replace(
 | 
						|
                '((certificate_barcode))',
 | 
						|
                Display::img(
 | 
						|
                    $this->certification_web_user_path.$file_info['filename'].'_qr.png',
 | 
						|
                    'QR'
 | 
						|
                ),
 | 
						|
                $content
 | 
						|
            );
 | 
						|
 | 
						|
            $my_new_content_html = mb_convert_encoding(
 | 
						|
                $my_new_content_html,
 | 
						|
                'UTF-8',
 | 
						|
                api_get_system_encoding()
 | 
						|
            );
 | 
						|
 | 
						|
            $result = @file_put_contents($my_path_certificate, $my_new_content_html);
 | 
						|
 | 
						|
            if ($result) {
 | 
						|
                // Updating the path
 | 
						|
                self::updateUserCertificateInfo(
 | 
						|
                    0,
 | 
						|
                    $this->user_id,
 | 
						|
                    $path_certificate
 | 
						|
                );
 | 
						|
                $this->certificate_data['path_certificate'] = $path_certificate;
 | 
						|
            }
 | 
						|
 | 
						|
            return $result;
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function notificationTags()
 | 
						|
    {
 | 
						|
        $tags = [
 | 
						|
            '((course_title))',
 | 
						|
            '((user_first_name))',
 | 
						|
            '((user_last_name))',
 | 
						|
            '((author_first_name))',
 | 
						|
            '((author_last_name))',
 | 
						|
            '((score))',
 | 
						|
            '((portal_name))',
 | 
						|
            '((certificate_link))',
 | 
						|
        ];
 | 
						|
 | 
						|
        return $tags;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $subject
 | 
						|
     * @param string $message
 | 
						|
     * @param array  $userInfo
 | 
						|
     * @param array  $courseInfo
 | 
						|
     * @param array  $certificateInfo
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function sendNotification(
 | 
						|
        $subject,
 | 
						|
        $message,
 | 
						|
        $userInfo,
 | 
						|
        $courseInfo,
 | 
						|
        $certificateInfo
 | 
						|
    ) {
 | 
						|
        if (empty($userInfo) || empty($courseInfo)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $currentUserInfo = api_get_user_info();
 | 
						|
        $url = api_get_path(WEB_PATH).
 | 
						|
            'certificates/index.php?id='.$certificateInfo['id'].'&user_id='.$certificateInfo['user_id'];
 | 
						|
        $link = Display::url($url, $url);
 | 
						|
 | 
						|
        $replace = [
 | 
						|
            $courseInfo['title'],
 | 
						|
            $userInfo['firstname'],
 | 
						|
            $userInfo['lastname'],
 | 
						|
            $currentUserInfo['firstname'],
 | 
						|
            $currentUserInfo['lastname'],
 | 
						|
            $certificateInfo['score_certificate'],
 | 
						|
            api_get_setting('Institution'),
 | 
						|
            $link,
 | 
						|
        ];
 | 
						|
 | 
						|
        $message = str_replace(self::notificationTags(), $replace, $message);
 | 
						|
        MessageManager::send_message(
 | 
						|
            $userInfo['id'],
 | 
						|
            $subject,
 | 
						|
            $message,
 | 
						|
            [],
 | 
						|
            [],
 | 
						|
            0,
 | 
						|
            0,
 | 
						|
            0,
 | 
						|
            0,
 | 
						|
            $currentUserInfo['id']
 | 
						|
        );
 | 
						|
 | 
						|
        $plugin = new AppPlugin();
 | 
						|
        $smsPlugin = $plugin->getSMSPluginLibrary();
 | 
						|
        if ($smsPlugin) {
 | 
						|
            $additionalParameters = [
 | 
						|
                'smsType' => SmsPlugin::CERTIFICATE_NOTIFICATION,
 | 
						|
                'userId' => $userInfo['id'],
 | 
						|
                'direct_message' => $message,
 | 
						|
            ];
 | 
						|
            $smsPlugin->send($additionalParameters);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Update user info about certificate.
 | 
						|
     *
 | 
						|
     * @param int    $categoryId            category id
 | 
						|
     * @param int    $user_id               user id
 | 
						|
     * @param string $path_certificate      the path name of the certificate
 | 
						|
     * @param bool   $updateCertificateData
 | 
						|
     */
 | 
						|
    public function updateUserCertificateInfo(
 | 
						|
        $categoryId,
 | 
						|
        $user_id,
 | 
						|
        $path_certificate,
 | 
						|
        $updateCertificateData = true
 | 
						|
    ) {
 | 
						|
        $categoryId = (int) $categoryId;
 | 
						|
        $user_id = (int) $user_id;
 | 
						|
 | 
						|
        if ($updateCertificateData &&
 | 
						|
            !UserManager::is_user_certified($categoryId, $user_id)
 | 
						|
        ) {
 | 
						|
            $table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
 | 
						|
            $now = api_get_utc_datetime();
 | 
						|
            $sql = 'UPDATE '.$table.' SET 
 | 
						|
                        path_certificate="'.Database::escape_string($path_certificate).'",
 | 
						|
                        created_at = "'.$now.'"
 | 
						|
                    WHERE cat_id = "'.$categoryId.'" AND user_id="'.$user_id.'" ';
 | 
						|
            Database::query($sql);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check if the file was generated.
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function isHtmlFileGenerated()
 | 
						|
    {
 | 
						|
        if (empty($this->certification_user_path)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        if (!empty($this->certificate_data) &&
 | 
						|
            isset($this->certificate_data['path_certificate']) &&
 | 
						|
            !empty($this->certificate_data['path_certificate'])
 | 
						|
        ) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Generates a QR code for the certificate. The QR code embeds the text given.
 | 
						|
     *
 | 
						|
     * @param string $text Text to be added in the QR code
 | 
						|
     * @param string $path file path of the image
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function generateQRImage($text, $path)
 | 
						|
    {
 | 
						|
        // Make sure HTML certificate is generated
 | 
						|
        if (!empty($text) && !empty($path)) {
 | 
						|
            //L low, M - Medium, L large error correction
 | 
						|
            return PHPQRCode\QRcode::png($text, $path, 'M', 2, 2);
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Transforms certificate tags into text values. This function is very static
 | 
						|
     * (it doesn't allow for much flexibility in terms of what tags are printed).
 | 
						|
     *
 | 
						|
     * @param array $array Contains two array entries: first are the headers,
 | 
						|
     *                     second is an array of contents
 | 
						|
     *
 | 
						|
     * @return string The translated string
 | 
						|
     */
 | 
						|
    public function parseCertificateVariables($array)
 | 
						|
    {
 | 
						|
        $headers = $array[0];
 | 
						|
        $content = $array[1];
 | 
						|
        $final_content = [];
 | 
						|
 | 
						|
        if (!empty($content)) {
 | 
						|
            foreach ($content as $key => $value) {
 | 
						|
                $my_header = str_replace(['((', '))'], '', $headers[$key]);
 | 
						|
                $final_content[$my_header] = $value;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        /* Certificate tags
 | 
						|
         *
 | 
						|
          0 => string '((user_firstname))' (length=18)
 | 
						|
          1 => string '((user_lastname))' (length=17)
 | 
						|
          2 => string '((gradebook_institution))' (length=25)
 | 
						|
          3 => string '((gradebook_sitename))' (length=22)
 | 
						|
          4 => string '((teacher_firstname))' (length=21)
 | 
						|
          5 => string '((teacher_lastname))' (length=20)
 | 
						|
          6 => string '((official_code))' (length=17)
 | 
						|
          7 => string '((date_certificate))' (length=20)
 | 
						|
          8 => string '((course_code))' (length=15)
 | 
						|
          9 => string '((course_title))' (length=16)
 | 
						|
          10 => string '((gradebook_grade))' (length=19)
 | 
						|
          11 => string '((certificate_link))' (length=20)
 | 
						|
          12 => string '((certificate_link_html))' (length=25)
 | 
						|
          13 => string '((certificate_barcode))' (length=23)
 | 
						|
         */
 | 
						|
 | 
						|
        $break_space = " \n\r ";
 | 
						|
        $text =
 | 
						|
            $final_content['gradebook_institution'].' - '.
 | 
						|
            $final_content['gradebook_sitename'].' - '.
 | 
						|
            get_lang('Certification').$break_space.
 | 
						|
            get_lang('Student').': '.$final_content['user_firstname'].' '.$final_content['user_lastname'].$break_space.
 | 
						|
            get_lang('Teacher').': '.$final_content['teacher_firstname'].' '.$final_content['teacher_lastname'].$break_space.
 | 
						|
            get_lang('Date').': '.$final_content['date_certificate'].$break_space.
 | 
						|
            get_lang('Score').': '.$final_content['gradebook_grade'].$break_space.
 | 
						|
            'URL'.': '.$final_content['certificate_link'];
 | 
						|
 | 
						|
        return $text;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check if the certificate is visible for the current user
 | 
						|
     * If the global setting allow_public_certificates is set to 'false', no certificate can be printed.
 | 
						|
     * If the global allow_public_certificates is set to 'true' and the course setting allow_public_certificates
 | 
						|
     * is set to 0, no certificate *in this course* can be printed (for anonymous users).
 | 
						|
     * Connected users can always print them.
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function isVisible()
 | 
						|
    {
 | 
						|
        if (!api_is_anonymous()) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        if (api_get_setting('allow_public_certificates') != 'true') {
 | 
						|
            // The "non-public" setting is set, so do not print
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        if (!isset($this->certificate_data, $this->certificate_data['cat_id'])) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $gradeBook = new Gradebook();
 | 
						|
        $gradeBookInfo = $gradeBook->get($this->certificate_data['cat_id']);
 | 
						|
 | 
						|
        if (empty($gradeBookInfo['course_code'])) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $setting = api_get_course_setting(
 | 
						|
            'allow_public_certificates',
 | 
						|
            api_get_course_info($gradeBookInfo['course_code'])
 | 
						|
        );
 | 
						|
 | 
						|
        if ($setting == 0) {
 | 
						|
            // Printing not allowed
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check if the certificate is available.
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function isAvailable()
 | 
						|
    {
 | 
						|
        if (empty($this->certificate_data['path_certificate'])) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $userCertificate = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
 | 
						|
 | 
						|
        if (!file_exists($userCertificate)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Shows the student's certificate (HTML file).
 | 
						|
     */
 | 
						|
    public function show()
 | 
						|
    {
 | 
						|
        $user_certificate = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
 | 
						|
        if (file_exists($user_certificate)) {
 | 
						|
            // Needed in order to browsers don't add custom CSS
 | 
						|
            $certificateContent = '<!DOCTYPE html>';
 | 
						|
            $certificateContent .= (string) file_get_contents($user_certificate);
 | 
						|
 | 
						|
            // Remove media=screen to be available when printing a document
 | 
						|
            $certificateContent = str_replace(
 | 
						|
                ' media="screen"',
 | 
						|
                '',
 | 
						|
                $certificateContent
 | 
						|
            );
 | 
						|
 | 
						|
            if ($this->user_id == api_get_user_id() &&
 | 
						|
                !empty($this->certificate_data) &&
 | 
						|
                isset($this->certificate_data['id'])
 | 
						|
            ) {
 | 
						|
                $certificateId = $this->certificate_data['id'];
 | 
						|
                $extraFieldValue = new ExtraFieldValue('user_certificate');
 | 
						|
                $value = $extraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                    $certificateId,
 | 
						|
                    'downloaded_at'
 | 
						|
                );
 | 
						|
                if (empty($value)) {
 | 
						|
                    $params = [
 | 
						|
                        'item_id' => $this->certificate_data['id'],
 | 
						|
                        'extra_downloaded_at' => api_get_utc_datetime(),
 | 
						|
                    ];
 | 
						|
                    $extraFieldValue->saveFieldValues($params);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            header('Content-Type: text/html; charset='.api_get_system_encoding());
 | 
						|
            echo $certificateContent;
 | 
						|
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        api_not_allowed(true);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function generateCustomCertificate()
 | 
						|
    {
 | 
						|
        $myCertificate = GradebookUtils::get_certificate_by_user_id(
 | 
						|
            0,
 | 
						|
            $this->user_id
 | 
						|
        );
 | 
						|
        if (empty($myCertificate)) {
 | 
						|
            GradebookUtils::registerUserInfoAboutCertificate(
 | 
						|
                0,
 | 
						|
                $this->user_id,
 | 
						|
                100,
 | 
						|
                api_get_utc_datetime()
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        $userInfo = api_get_user_info($this->user_id);
 | 
						|
        $extraFieldValue = new ExtraFieldValue('user');
 | 
						|
        $value = $extraFieldValue->get_values_by_handler_and_field_variable($this->user_id, 'legal_accept');
 | 
						|
        $termsValidationDate = '';
 | 
						|
        if (isset($value) && !empty($value['value'])) {
 | 
						|
            list($id, $id2, $termsValidationDate) = explode(':', $value['value']);
 | 
						|
        }
 | 
						|
 | 
						|
        $sessions = SessionManager::get_sessions_by_user($this->user_id, false, true);
 | 
						|
        $totalTimeInLearningPaths = 0;
 | 
						|
        $sessionsApproved = [];
 | 
						|
        $coursesApproved = [];
 | 
						|
        if ($sessions) {
 | 
						|
            foreach ($sessions as $session) {
 | 
						|
                $allCoursesApproved = [];
 | 
						|
                foreach ($session['courses'] as $course) {
 | 
						|
                    $courseInfo = api_get_course_info_by_id($course['real_id']);
 | 
						|
                    $courseCode = $courseInfo['code'];
 | 
						|
                    $gradebookCategories = Category::load(
 | 
						|
                        null,
 | 
						|
                        null,
 | 
						|
                        $courseCode,
 | 
						|
                        null,
 | 
						|
                        false,
 | 
						|
                        $session['session_id']
 | 
						|
                    );
 | 
						|
 | 
						|
                    if (isset($gradebookCategories[0])) {
 | 
						|
                        /** @var Category $category */
 | 
						|
                        $category = $gradebookCategories[0];
 | 
						|
                        $result = Category::userFinishedCourse(
 | 
						|
                            $this->user_id,
 | 
						|
                            $category,
 | 
						|
                            true
 | 
						|
                        );
 | 
						|
 | 
						|
                        if ($result) {
 | 
						|
                            $coursesApproved[$course['real_id']] = $courseInfo['title'];
 | 
						|
 | 
						|
                            // Find time spent in LP
 | 
						|
                            $totalTimeInLearningPaths += Tracking::get_time_spent_in_lp(
 | 
						|
                                $this->user_id,
 | 
						|
                                $courseCode,
 | 
						|
                                [],
 | 
						|
                                $session['session_id']
 | 
						|
                            );
 | 
						|
 | 
						|
                            $allCoursesApproved[] = true;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                if (count($allCoursesApproved) == count($session['courses'])) {
 | 
						|
                    $sessionsApproved[] = $session;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $skill = new Skill();
 | 
						|
        // Ofaj
 | 
						|
        $skills = $skill->getStudentSkills($this->user_id, 2);
 | 
						|
        $timeInSeconds = Tracking::get_time_spent_on_the_platform(
 | 
						|
            $this->user_id,
 | 
						|
            'ever'
 | 
						|
        );
 | 
						|
        $time = api_time_to_hms($timeInSeconds);
 | 
						|
 | 
						|
        $tplContent = new Template(null, false, false, false, false, false);
 | 
						|
 | 
						|
        // variables for the default template
 | 
						|
        $tplContent->assign('complete_name', $userInfo['complete_name']);
 | 
						|
        $tplContent->assign('time_in_platform', $time);
 | 
						|
        $tplContent->assign('certificate_generated_date', api_get_local_time($myCertificate['created_at']));
 | 
						|
        if (!empty($termsValidationDate)) {
 | 
						|
            $termsValidationDate = api_get_local_time($termsValidationDate);
 | 
						|
        }
 | 
						|
        $tplContent->assign('terms_validation_date', $termsValidationDate);
 | 
						|
 | 
						|
        // Ofaj
 | 
						|
        $tplContent->assign('time_in_platform_in_hours', round($timeInSeconds / 3600, 1));
 | 
						|
        $tplContent->assign(
 | 
						|
            'certificate_generated_date_no_time',
 | 
						|
            api_get_local_time(
 | 
						|
                $myCertificate['created_at'],
 | 
						|
                null,
 | 
						|
                null,
 | 
						|
                false,
 | 
						|
                false
 | 
						|
            )
 | 
						|
        );
 | 
						|
        $tplContent->assign(
 | 
						|
            'terms_validation_date_no_time',
 | 
						|
            api_get_local_time(
 | 
						|
                $termsValidationDate,
 | 
						|
                null,
 | 
						|
                null,
 | 
						|
                false,
 | 
						|
                false
 | 
						|
            )
 | 
						|
        );
 | 
						|
        $tplContent->assign('skills', $skills);
 | 
						|
        $tplContent->assign('sessions', $sessionsApproved);
 | 
						|
        $tplContent->assign('courses', $coursesApproved);
 | 
						|
        $tplContent->assign('time_spent_in_lps', api_time_to_hms($totalTimeInLearningPaths));
 | 
						|
        $tplContent->assign('time_spent_in_lps_in_hours', round($totalTimeInLearningPaths / 3600, 1));
 | 
						|
        $layoutContent = $tplContent->get_template('gradebook/custom_certificate.tpl');
 | 
						|
        $content = $tplContent->fetch($layoutContent);
 | 
						|
 | 
						|
        return $content;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Ofaj.
 | 
						|
     */
 | 
						|
    public function generatePdfFromCustomCertificate()
 | 
						|
    {
 | 
						|
        $orientation = api_get_configuration_value('certificate_pdf_orientation');
 | 
						|
 | 
						|
        $params['orientation'] = 'landscape';
 | 
						|
        if (!empty($orientation)) {
 | 
						|
            $params['orientation'] = $orientation;
 | 
						|
        }
 | 
						|
 | 
						|
        $params['left'] = 0;
 | 
						|
        $params['right'] = 0;
 | 
						|
        $params['top'] = 0;
 | 
						|
        $params['bottom'] = 0;
 | 
						|
        $page_format = $params['orientation'] == 'landscape' ? 'A4-L' : 'A4';
 | 
						|
        $pdf = new PDF($page_format, $params['orientation'], $params);
 | 
						|
 | 
						|
        $pdf->html_to_pdf(
 | 
						|
            $this->html_file,
 | 
						|
            get_lang('Certificates'),
 | 
						|
            null,
 | 
						|
            false,
 | 
						|
            false
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $userId
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getCertificateByUser($userId)
 | 
						|
    {
 | 
						|
        $userId = (int) $userId;
 | 
						|
        if (empty($userId)) {
 | 
						|
            return [];
 | 
						|
        }
 | 
						|
 | 
						|
        $table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
 | 
						|
        $sql = "SELECT * FROM $table
 | 
						|
                WHERE user_id= $userId";
 | 
						|
        $rs = Database::query($sql);
 | 
						|
 | 
						|
        return Database::store_result($rs, 'ASSOC');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $userId
 | 
						|
     */
 | 
						|
    public static function generateUserSkills($userId)
 | 
						|
    {
 | 
						|
        $controller = new IndexManager(get_lang('MyCourses'));
 | 
						|
        $courseAndSessions = $controller->returnCoursesAndSessions($userId, true, null, true, false);
 | 
						|
 | 
						|
        if (isset($courseAndSessions['courses']) && !empty($courseAndSessions['courses'])) {
 | 
						|
            foreach ($courseAndSessions['courses'] as $course) {
 | 
						|
                $cats = Category::load(
 | 
						|
                    null,
 | 
						|
                    null,
 | 
						|
                    $course['code'],
 | 
						|
                    null,
 | 
						|
                    null,
 | 
						|
                    null,
 | 
						|
                    false
 | 
						|
                );
 | 
						|
 | 
						|
                if (isset($cats[0]) && !empty($cats[0])) {
 | 
						|
                    Category::generateUserCertificate(
 | 
						|
                        $cats[0]->get_id(),
 | 
						|
                        $userId
 | 
						|
                    );
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (isset($courseAndSessions['sessions']) && !empty($courseAndSessions['sessions'])) {
 | 
						|
            foreach ($courseAndSessions['sessions'] as $sessionCategory) {
 | 
						|
                if (isset($sessionCategory['sessions'])) {
 | 
						|
                    foreach ($sessionCategory['sessions'] as $sessionData) {
 | 
						|
                        if (!empty($sessionData['courses'])) {
 | 
						|
                            $sessionId = $sessionData['session_id'];
 | 
						|
                            foreach ($sessionData['courses'] as $courseData) {
 | 
						|
                                $cats = Category:: load(
 | 
						|
                                    null,
 | 
						|
                                    null,
 | 
						|
                                    $courseData['course_code'],
 | 
						|
                                    null,
 | 
						|
                                    null,
 | 
						|
                                    $sessionId,
 | 
						|
                                    false
 | 
						|
                                );
 | 
						|
 | 
						|
                                if (isset($cats[0]) && !empty($cats[0])) {
 | 
						|
                                    Category::generateUserCertificate(
 | 
						|
                                        $cats[0]->get_id(),
 | 
						|
                                        $userId
 | 
						|
                                    );
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 |