MaintenanceModeExtension

Complexity

Total Complexity

7

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	5
Bugs	0	Features	1

4 Methods

Rating	Name	Duplication	Size	Complexity
A	onBeforeInit()	0	7	2
A	isDownForMaintenance()	0	4	1
A	throw503()	0	8	2
A	get503File()	0	6	2

<?php

/**
 * Class MaintenanceModeExtension.
 *
 * throw a 503 if mysite/down exists
 *
 * @property Controller $owner
 */
class MaintenanceModeExtension extends Extension

PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.

{

    /**
     * @throws SS_HTTPResponse_Exception
     */
    public function onBeforeInit()
    {
        if($this->isDownForMaintenance())
        {
            $this->throw503();
        }
    }

    /**
     * @return bool
     */
    public function isDownForMaintenance()
    {
        return file_exists(BASE_PATH.'/mysite/down');
    }

    /**
     * Somehow $this->owner->httpError keeps the website spinning.
     *
     * Maybe not very Silverstripe'sch, but at least this works
     *
     * @throws SS_HTTPResponse_Exception
     */
    protected function throw503()
    {
        $message   = 'Website is down for maintenance';
        $errorFile = $this->get503File();
        $content   = is_file($errorFile) ? file_get_contents($errorFile) : '<h1>'.$message.'</h1>';

        throw new SS_HTTPResponse_Exception(new SS_HTTPResponse($content, 503, $message));
    }

    /**
     * @return string
     */
    protected function get503File()
    {
        $custom = BASE_PATH.(string)Config::inst()->get('MaintenanceMode', 'file');

        return is_file($custom) ? $custom : BASE_PATH.'/assets/error-503.html';
    }
}