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On . By CodimTh
Category:

in this article, I'll show you how to create custom controller with JSON response in Drupal 8.

add to your module these files like this:

create mymodule.routing.yml

codimth.json_api_articles:
  path: '/api/articles'
  defaults:
    _controller: 'Drupal\mymodule\Controller\JsonApiArticlesController::index'
    _title: 'Codimth JSON api'
  methods:  [GET]
  requirements:
    _access: 'TRUE'

create src/Controller/JsonApiArticlesController.php

getData(): will return article nodes from database.

<?php
namespace Drupal\mymodule\Controller;
use Symfony\Component\HttpFoundation\JsonResponse;

/**
 * Class JsonApiArticlesController
 * @package Drupal\mymodule\Controller
 */
class JsonApiArticlesController {

  /**
   * @return JsonResponse
   */
  public function index() {
    return new JsonResponse([ 'data' => $this->getData(), 'method' => 'GET', 'status'=> 200]);
  }

  /**
   * @return array
   */
  public function getData() {

    $result=[];
    $query = \Drupal::entityQuery('node')
      ->condition('type', 'article')
      ->sort('title', 'DESC');
    $nodes_ids = $query->execute();
    if ($nodes_ids) {
      foreach ($nodes_ids as $node_id) {
        $node = \Drupal\node\Entity\Node::load($node_id);
        $result[] = [
          "id" => $node->id(),
          "title" => $node->getTitle(),
        ];
      }
    }
    return $result;
  }
}

 

/api/articles will return result like this:

json api

 

 

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