Standalone Usage

[!NOTE]
This does not work if you have installed the SEO Bundle! Read more about it here!

---

Bootstrap

The Schema Bundles allows you to build schema blocks in two sections:

• based on request: add ld+json data to head based on request
• based on element: add ld+json data to your markup by using the json_ld twig helper based on given element

I. Simple Usage Example

App\Schema\Generator\KnowledgeGraphGenerator:
    autowire: true
    tags:
        - { name: schema.generator, alias: knowledge_graph }

Service

<?php

namespace App\Schema\Generator;

use Spatie\SchemaOrg\Graph;
use Spatie\SchemaOrg\BaseType;
use Symfony\Component\HttpFoundation\Request;
use OpenDxp\Bundle\SchemaBundle\Generator\GeneratorInterface;

class KnowledgeGraphGenerator implements GeneratorInterface
{
    public function supportsRequest(Request $request, string $route): bool
    {
        return true;
    }

    public function supportsElement($element): bool
    {
        return false;
    }

    public function generateForRequest(Graph $graph, Request $request, array &$schemaBlocks): void
    {
        // just a dummy here
        // you could use the opendxp website settings for example

        $myBusiness = [
            'name'  => 'My Business Name',
            'email' => '[email protected]'
        ];

        $graph
            ->organization()
                ->name($myBusiness['name']);
    }

    public function generateForElement($element): ?BaseType
    {
        return null;
    }
}

---

II. Extended Usage Example

Use the Graph Element to join multiple services.

Register Service

App\Schema\Generator\OrganizationGenerator:
    autowire: true
    tags:
        - { name: schema.generator, alias: organization }

App\Schema\Generator\ProductGenerator:
    autowire: true
    tags:
        - { name: schema.generator, alias: product }

Build Services

OrganizationGenerator

<?php

namespace App\Schema\Generator;

use OpenDxp\Bundle\SchemaBundle\Generator\GeneratorInterface;
use Spatie\SchemaOrg\BaseType;
use Spatie\SchemaOrg\Graph;
use Symfony\Component\HttpFoundation\Request;

class OrganizationGenerator implements GeneratorInterface
{
    public function supportsRequest(Request $request, string $route): bool
    {
        return true;
    }

    public function supportsElement($element): bool
    {
        return false;
    }

    public function generateForRequest(Graph $graph, Request $request, array &$schemaBlocks): void
    {
        $graph
            ->organization()
                ->name('My awesome Company');
    }

    public function generateForElement($element): ?BaseType
    {
        // return null since we do not support requests
        return null;
    }
}

ProductGenerator

<?php

namespace App\Schema\Generator;

use OpenDxp\Bundle\SchemaBundle\Generator\GeneratorInterface;
use Spatie\SchemaOrg\BaseType;
use Spatie\SchemaOrg\Graph;
use Symfony\Component\HttpFoundation\Request;

class ProductGenerator implements GeneratorInterface
{
    public function supportsRequest(Request $request, string $route): bool
    {
        return $request->attributes->has('product-id');
    }

    public function supportsElement($element): bool
    {
        return false;
    }

    public function generateForRequest(Graph $graph, Request $request, array &$schemaBlocks): void
    {
        $graph
            ->product()
                ->name('My cool Product')
                ->brand($graph->organization());
    }

    public function generateForElement($element): ?BaseType
    {
        // return null since we do not support requests
        return null;
    }
}

---

III. Twig Usage Example

Render json-ld data directly in twig templates

You're able to render json-ld data in your markup. For this you need to make use of the json_ld twig extension.

Register Service

App\Schema\Generator\ProductGenerator:
    autowire: true
    tags:
        - { name: schema.generator, alias: product }

Build Service

<?php

namespace App\Schema\Generator;

use OpenDxp\Model\DataObject\TestClass;
use OpenDxp\Bundle\SchemaBundle\Generator\GeneratorInterface;
use Spatie\SchemaOrg\BaseType;
use Spatie\SchemaOrg\Graph;
use Spatie\SchemaOrg\Schema;
use Symfony\Component\HttpFoundation\Request;

class ProductGenerator implements GeneratorInterface
{
    public function supportsRequest(Request $request, string $route): bool
    {
        return false;
    }

    public function supportsElement($element): bool
    {
        return $element instanceof TestClass;
    }

    public function generateForRequest(Graph $graph, Request $request, array &$schemaBlocks): void
    {
        // nothing to do since we do not support requests
    }

    public function generateForElement($element): ?BaseType
    {
        /** @var TestClass $product */
        $product = $element;

        return Schema::product()
            ->name($product->getName())
            ->sku($product->getSku());
    }
}

Add Filter to Object

<div class="container">
    <h3>json ld for object</h3>
    {% set object = opendxp_object(41) %}
    {{ object|json_ld }}
</div>