refactored edlp_ajax_node module to edlp_ajax to be able to get taxonomy terms

sites/all/modules/figli/edlp_ajax/edlp_ajax.info.yml

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+# @Author: Bachir Soussi Chiadmi <bach>
+# @Email:  bachir@figureslibres.io
+# @Filename: edlp_ajax.info.yml
+# @License: GPL-V3
+
+
+name: Edlp Ajax
+type: module
+description: Manage ajax entity loading for edlp d8.
+core: 8.x
+package: Edlp

sites/all/modules/figli/edlp_ajax/edlp_ajax.module

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+<?php
+
+# @Author: Bachir Soussi Chiadmi <bach>
+# @Email:  bachir@figureslibres.io
+# @Filename: edlp_ajax.module
+# @License: GPL-V3
+
+/**
+ * Implements hook_theme().
+ */
+function edlp_ajax_theme($existing, $type, $theme, $path) {
+  // @see https://www.drupal.org/docs/8/theming/twig/create-custom-twig-templates-from-custom-module
+  return array(
+    'edlp_ajax' => array(
+      'file' => 'includes/edlp_ajax.inc',
+      'variables' => array(
+        'entity_type' => 'node',
+        'entity' => NULL,
+        'view_mode' => 'default'
+      ),
+    ),
+  );
+}
+
+/**
+ * Implements hook_theme_suggestions_HOOK().
+ */
+function edlp_ajax_theme_suggestions_edlp_ajax(array $vars) {
+  // dpm($vars);
+  $suggestions = [];
+  // $node = $variables['elements']['#node'];
+  $sanitized_view_mode = strtr($vars['view_mode'], '.', '_');
+  //
+  $suggestions[] = 'edlp_ajax__' . $vars['entity_type'];
+  $suggestions[] = 'edlp_ajax__' . $vars['entity_type'] . '__' . $sanitized_view_mode;
+  // $suggestions[] = 'node__' . $node->bundle() . '__' . $sanitized_view_mode;
+  $suggestions[] = 'edlp_ajax__' . $vars['entity_type'] . '__' . $vars['entity']->id();
+  $suggestions[] = 'edlp_ajax__' . $vars['entity_type'] . '__' . $vars['entity']->id() . '__' . $sanitized_view_mode;
+
+  return $suggestions;
+}

sites/all/modules/figli/edlp_ajax/edlp_ajax.routing.yml

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+# @Author: Bachir Soussi Chiadmi <bach>
+# @Date:   13-12-2017
+# @Email:  bachir@figureslibres.io
+# @Filename: edlp_corpus.routing.yml
+# @Last modified by:   bach
+# @Last modified time: 20-12-2017
+# @License: GPL-V3
+
+edlp_ajax.node:
+  path: '/edlp/ajax/{entity_type}/{id}/{viewmode}'
+  defaults:
+    _controller: '\Drupal\edlp_ajax\Controller\EdlpAjaxController::entity'
+    _title: 'EdlpAjax'
+    viewmode: 'default'
+  requirements:
+    _permission: 'access content'
+
+edlp_ajax.ajaxnode:
+  path: '/edlp/ajax/json/{entity_type}/{id}/{viewmode}'
+  defaults:
+    _controller: '\Drupal\edlp_ajax\Controller\EdlpAjaxController::entityjson'
+    _title: 'EdlpAjaxJson'
+    viewmode: 'default'
+  requirements:
+    _permission: 'access content'

sites/all/modules/figli/edlp_ajax/includes/edlp_ajax.inc

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+<?php
+
+// use Drupal\Core\Url;
+
+function template_preprocess_edlp_ajax(&$vars){
+  // dpm($vars);
+/*
+  @see https://www.drupal8.ovh/index.php/en/tutoriels/339/render-a-node-or-an-entity
+  */
+  $view_builder = \Drupal::entityTypeManager()->getViewBuilder($vars['entity_type']);
+  $vars['content'] = $view_builder->view($vars['entity'], $vars['view_mode']);
+}

sites/all/modules/figli/edlp_ajax/src/Controller/EdlpAjaxController.php

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+<?php
+
+namespace Drupal\edlp_ajax\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+
+class EdlpAjaxController extends ControllerBase {
+
+  private function query() {
+    $this->entity = entity_load($this->entity_type, $this->id);
+  }
+
+  private function toRenderable(){
+    $this->query();
+
+    if($this->entity){
+      return array(
+        "#theme"=>'edlp_ajax',
+        "#entity_type" => $this->entity_type,
+        '#entity' => $this->entity,
+        '#view_mode' => $this->viewmode,
+      );
+    }else{
+      return array(
+        '#markup'=>'404! '.$this->entity_type.' '.$this->id." not found!"
+      );
+    }
+  }
+
+  /**
+   * Display entity as a page.
+   *
+   * @return renderable array
+   */
+  public function entity($entity_type, $id, $viewmode) {
+    $this->entity_type = $entity_type;
+    $this->id = $id;
+    $this->viewmode = $viewmode;
+    return $this->toRenderable();
+  }
+
+  /**
+   * Get entity as json through ajax.
+   *
+   * @return json
+   */
+  public function entityjson($entity_type, $id, $viewmode) {
+    $this->entity_type = $entity_type;
+    $this->id = $id;
+    $this->viewmode = $viewmode;
+    $renderable = $this->toRenderable();
+    $rendered = render($renderable);
+
+    $response = new JsonResponse();
+    $response->setData([
+      'test' => 'hello edlp ajax',
+      'id' => $this->id,
+      'view_mode' => $this->viewmode,
+      'bundle' => $this->entity->getType(),
+      'entity_type' => $this->entity_type,
+      'rendered'=> $rendered,
+    ]);
+
+    return $response;
+  }
+
+}

sites/all/modules/figli/edlp_ajax/templates/edlp-ajax.html.twig

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+{{ content }}