class.ilHelpDBUpdateSteps.php

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<?php
 
namespace ILIAS\Help\Setup;
 
class ilHelpDBUpdateSteps implements \ilDatabaseUpdateSteps
{
    protected \ilDBInterface $db;
 
    public function prepare(\ilDBInterface $db): void
    {
        $this->db = $db;
    }
 
    public function step_1(): void
    {
        if (!$this->db->tableColumnExists('help_module', 'order_nr')) {
            $this->db->addTableColumn('help_module', 'order_nr', array(
                'type' => 'integer',
                'notnull' => true,
                'length' => 4,
                'default' => 0
            ));
        }
    }
 
    public function step_2(): void
    {
        if (!$this->db->tableColumnExists('help_module', 'active')) {
            $this->db->addTableColumn('help_module', 'active', array(
                'type' => 'integer',
                'notnull' => true,
                'length' => 1,
                'default' => 0
            ));
        }
    }
 
    public function step_3(): void
    {
        $set = $this->db->queryF(
            "SELECT value FROM settings " .
            " WHERE module = %s AND keyword = %s",
            ["text", "text"],
            ["common", "help_module"]
        );
        if ($rec = $this->db->fetchAssoc($set)) {
            $id = (int) $rec["value"];
            if ($id > 0) {
                $this->db->update(
                    "help_module",
                    [
                    "active" => ["integer", 1]
                ],
                    [    // where
                        "id" => ["integer", $id]
                    ]
                );
            }
        }
    }
 
    public function step_4(): void
    {
        if (!$this->db->tableColumnExists('help_map', 'full_id')) {
            $this->db->addTableColumn('help_map', 'full_id', array(
                'type' => 'text',
                'length' => 1000,
                'default' => ""
            ));
        }
    }
 
}