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']);

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