chamilo-lms/plugin/studentfollowup/StudentFollowUpPlugin.php

<?php
/* For licensing terms, see /license.txt */

use Symfony\Component\Filesystem\Filesystem;

/**
 * Class StudentFollowUpPlugin
 */
class StudentFollowUpPlugin extends Plugin
{
    public $hasEntity = true;

    /**
     * @return StudentFollowUpPlugin
     */
    public static function create()
    {
        static $result = null;
        return $result ? $result : $result = new self();
    }

    /**
     * StudentFollowUpPlugin constructor.
     */
    protected function __construct()
    {
        parent::__construct(
            '0.1',
            'Julio Montoya',
            array(
                'tool_enable' => 'boolean'
            )
        );
    }

    /**
     *
     */
    public function install()
    {
        $pluginEntityPath = $this->getEntityPath();
        if (!is_dir($pluginEntityPath)) {
            mkdir($pluginEntityPath, api_get_permissions_for_new_directories());
        }

        $fs = new Filesystem();
        $fs->mirror(__DIR__.'/Entity/', $pluginEntityPath, null, ['override']);

        $sql = "CREATE TABLE sfu_post (id INT AUTO_INCREMENT NOT NULL, insert_user_id INT NOT NULL, user_id INT NOT NULL, parent_id INT DEFAULT NULL, title VARCHAR(255) NOT NULL, content LONGTEXT DEFAULT NULL, external_care_id BIGINT DEFAULT NULL, created_at DATETIME DEFAULT NULL, updated_at DATETIME DEFAULT NULL, private TINYINT(1) NOT NULL, external_source TINYINT(1) NOT NULL, tags LONGTEXT NOT NULL COMMENT '(DC2Type:array)', attachment VARCHAR(255) NOT NULL, lft INT DEFAULT NULL, rgt INT DEFAULT NULL, lvl INT DEFAULT NULL, root INT DEFAULT NULL, INDEX IDX_35F9473C9C859CC3 (insert_user_id), INDEX IDX_35F9473CA76ED395 (user_id), INDEX IDX_35F9473C727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB;";
        Database::query($sql);
        $sql = "ALTER TABLE sfu_post ADD CONSTRAINT FK_35F9473C9C859CC3 FOREIGN KEY (insert_user_id) REFERENCES user (id);";
        Database::query($sql);
        $sql = "ALTER TABLE sfu_post ADD CONSTRAINT FK_35F9473CA76ED395 FOREIGN KEY (user_id) REFERENCES user (id);";
        Database::query($sql);
        $sql = "ALTER TABLE sfu_post ADD CONSTRAINT FK_35F9473C727ACA70 FOREIGN KEY (parent_id) REFERENCES sfu_post (id) ON DELETE SET NULL;";
        Database::query($sql);
    }

    /**
     *
     */
    public function uninstall()
    {
        $pluginEntityPath = $this->getEntityPath();
        $fs = new Filesystem();
        if ($fs->exists($pluginEntityPath)) {
            $fs->remove($pluginEntityPath);
        }
        $table = Database::get_main_table('sfu_post');
        $sql = "DROP TABLE $table";
        Database::query($sql);
    }

    /**
     * @return string
     */
    public function getEntityPath()
    {
        return api_get_path(SYS_PATH).'src/Chamilo/PluginBundle/Entity/'.$this->getCamelCaseName();
    }

    /**
     * @param int $studentId
     * @param int $currentUserId
     * @return array
     */
    public static function getPermissions($studentId, $currentUserId)
    {
        $isAllow = false;
        $showPrivate = false;
        if ($studentId === $currentUserId) {
            $isAllow = true;
        } else {
            // Only admins and DRH that follow the user
            $isAdminOrDrh = UserManager::is_user_followed_by_drh($studentId, $currentUserId) || api_is_platform_admin();

            // Check if course session coach
            $sessions = SessionManager::get_sessions_by_user($studentId);

            $isCourseCoach = false;
            if (!empty($sessions)) {
                foreach ($sessions as $session) {
                    $sessionId = $session['session_id'];
                    foreach ($session['courses'] as $course) {
                        //$isCourseCoach = api_is_coach($sessionId, $course['real_id']);
                        $coachList = SessionManager::getCoachesByCourseSession($sessionId, $course['real_id']);
                        if (!empty($coachList) && in_array($currentUserId, $coachList)) {
                            $isCourseCoach = true;
                            break(2);
                        }
                    }
                }
            }

            $isAllow = $isAdminOrDrh || $isCourseCoach;
            $showPrivate = $isAdminOrDrh;
        }

        return [
            'is_allow' => $isAllow,
            'show_private' => $showPrivate,
        ];
    }
}