PHP code example of silverstripe-terraformers / keys-for-cache

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

silverstripe-terraformers / keys-for-cache example snippets

public function getCacheKey(): string
{
    $parts = [
        // Parts related to the block itself
        static::class,
        $this->ID,
        $this->LastEdited,
        // Parts related to the Items within the block
        $this->Items()->max('LastEdited'),
        $this->Items()->count(),
        // Parts related to the Images assigned to our Items
        Image::get()->filter('ID', $this->Items()->column('ImageID'))->max('LastEdited'),
        Image::get()->filter('ID', $this->Items()->column('ImageID'))->count(),
    ];

    return implode('-', $parts);
}

class CarouselBlock extends BaseElement
{
    private static array $has_many = [
        'Items' => CarouselItem::class,
    ];

    // $owns is optional, but quite common in this use case. I've added it here simply to illustrate how $cares
    // follows the same paradigm
    private static array $owns = [
        'Items',
    ];

    private static array $cares = [
        'Items',
    ];
}

class CarouselItem extends DataObject
{
    private static array $has_one = [
        'Image' => Image::class,
    ];

    // $owns is optional, but quite common in this use case. I've added it here simply to illustrate how $cares
    // follows the same paradigm
    private static array $owns = [
        'Image',
    ];

    private static array $cares = [
        'Image',
    ];
}

class CarouselItem extends DataObject
{
    private static array $has_one = [
        'Parent' => CarouselBlock::class,
    ];

    private static array $touches = [
        'Parent',
    ];
}

yaml
Page:
    has_cache_key: true

DNADesign\Elemental\Models\BaseElement:
    has_cache_key: true

yaml
App\Blocks\RecentUpdates:
    global_cares:
        - SilverStripe\CMS\Model\SiteTree