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1 <?php
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2
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3 namespace Drupal\comment\Controller;
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4
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5 use Drupal\comment\CommentInterface;
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6 use Drupal\comment\CommentManagerInterface;
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7 use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
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8 use Drupal\Core\Access\AccessResult;
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9 use Drupal\Core\Cache\CacheableResponseInterface;
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10 use Drupal\Core\Controller\ControllerBase;
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11 use Drupal\Core\Entity\EntityFieldManagerInterface;
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12 use Drupal\Core\Entity\EntityInterface;
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13 use Drupal\Core\Entity\EntityRepositoryInterface;
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14 use Drupal\Core\Entity\EntityTypeManagerInterface;
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15 use Symfony\Component\DependencyInjection\ContainerInterface;
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16 use Symfony\Component\HttpFoundation\JsonResponse;
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17 use Symfony\Component\HttpFoundation\RedirectResponse;
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18 use Symfony\Component\HttpFoundation\Request;
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19 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
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20 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
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21 use Symfony\Component\HttpKernel\HttpKernelInterface;
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22
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23 /**
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24 * Controller for the comment entity.
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25 *
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26 * @see \Drupal\comment\Entity\Comment.
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27 */
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28 class CommentController extends ControllerBase {
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29
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30 /**
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31 * The HTTP kernel.
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32 *
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33 * @var \Symfony\Component\HttpKernel\HttpKernelInterface
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34 */
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35 protected $httpKernel;
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36
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37 /**
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38 * The comment manager service.
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39 *
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40 * @var \Drupal\comment\CommentManagerInterface
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41 */
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42 protected $commentManager;
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43
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44 /**
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45 * The entity field manager.
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46 *
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47 * @var \Drupal\Core\Entity\EntityFieldManagerInterface
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48 */
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49 protected $entityFieldManager;
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50
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51 /**
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52 * The entity repository.
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53 *
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54 * @var Drupal\Core\Entity\EntityRepositoryInterface
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55 */
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56 protected $entityRepository;
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57
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58 /**
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59 * Constructs a CommentController object.
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60 *
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61 * @param \Symfony\Component\HttpKernel\HttpKernelInterface $http_kernel
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62 * HTTP kernel to handle requests.
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63 * @param \Drupal\comment\CommentManagerInterface $comment_manager
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64 * The comment manager service.
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65 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
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66 * The entity type manager service.
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67 * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
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68 * The entity field manager service.
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69 * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
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70 * The entity repository service.
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71 */
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72 public function __construct(HttpKernelInterface $http_kernel, CommentManagerInterface $comment_manager, EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager = NULL, EntityRepositoryInterface $entity_repository = NULL) {
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73 $this->httpKernel = $http_kernel;
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74 $this->commentManager = $comment_manager;
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75 $this->entityTypeManager = $entity_type_manager;
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76 if (!$entity_field_manager) {
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77 @trigger_error('The entity_field.manager service must be passed to CommentController::__construct(), it is required before Drupal 9.0.0. See https://www.drupal.org/node/2549139.', E_USER_DEPRECATED);
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78 $entity_field_manager = \Drupal::service('entity_field.manager');
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79 }
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80 $this->entityFieldManager = $entity_field_manager;
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81 if (!$entity_repository) {
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82 @trigger_error('The entity.repository service must be passed to CommentController::__construct(), it is required before Drupal 9.0.0. See https://www.drupal.org/node/2549139.', E_USER_DEPRECATED);
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83 $entity_repository = \Drupal::service('entity.repository');
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84 }
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85 $this->entityRepository = $entity_repository;
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86 }
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87
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88 /**
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89 * {@inheritdoc}
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90 */
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91 public static function create(ContainerInterface $container) {
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92 return new static(
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93 $container->get('http_kernel'),
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94 $container->get('comment.manager'),
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95 $container->get('entity_type.manager'),
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96 $container->get('entity_field.manager'),
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97 $container->get('entity.repository')
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98 );
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99 }
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100
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101 /**
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102 * Publishes the specified comment.
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103 *
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104 * @param \Drupal\comment\CommentInterface $comment
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105 * A comment entity.
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106 *
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107 * @return \Symfony\Component\HttpFoundation\RedirectResponse
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108 */
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109 public function commentApprove(CommentInterface $comment) {
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110 $comment->setPublished();
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111 $comment->save();
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112
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113 $this->messenger()->addStatus($this->t('Comment approved.'));
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114 $permalink_uri = $comment->permalink();
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115 $permalink_uri->setAbsolute();
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116 return new RedirectResponse($permalink_uri->toString());
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117 }
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118
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119 /**
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120 * Redirects comment links to the correct page depending on comment settings.
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121 *
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122 * Since comments are paged there is no way to guarantee which page a comment
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123 * appears on. Comment paging and threading settings may be changed at any
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124 * time. With threaded comments, an individual comment may move between pages
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125 * as comments can be added either before or after it in the overall
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126 * discussion. Therefore we use a central routing function for comment links,
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127 * which calculates the page number based on current comment settings and
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128 * returns the full comment view with the pager set dynamically.
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129 *
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130 * @param \Symfony\Component\HttpFoundation\Request $request
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131 * The request of the page.
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132 * @param \Drupal\comment\CommentInterface $comment
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133 * A comment entity.
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134 *
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135 * @return \Symfony\Component\HttpFoundation\Response
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136 * The comment listing set to the page on which the comment appears.
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137 *
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138 * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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139 * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
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140 */
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141 public function commentPermalink(Request $request, CommentInterface $comment) {
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142 if ($entity = $comment->getCommentedEntity()) {
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143 // Check access permissions for the entity.
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144 if (!$entity->access('view')) {
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145 throw new AccessDeniedHttpException();
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146 }
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147 $field_definition = $this->entityFieldManager->getFieldDefinitions($entity->getEntityTypeId(), $entity->bundle())[$comment->getFieldName()];
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148
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149 // Find the current display page for this comment.
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150 $page = $this->entityTypeManager()->getStorage('comment')->getDisplayOrdinal($comment, $field_definition->getSetting('default_mode'), $field_definition->getSetting('per_page'));
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151 // @todo: Cleaner sub request handling.
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152 $subrequest_url = $entity->toUrl()->setOption('query', ['page' => $page])->toString(TRUE);
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153 $redirect_request = Request::create($subrequest_url->getGeneratedUrl(), 'GET', $request->query->all(), $request->cookies->all(), [], $request->server->all());
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154 // Carry over the session to the subrequest.
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155 if ($request->hasSession()) {
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156 $redirect_request->setSession($request->getSession());
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157 }
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158 $request->query->set('page', $page);
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159 $response = $this->httpKernel->handle($redirect_request, HttpKernelInterface::SUB_REQUEST);
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160 if ($response instanceof CacheableResponseInterface) {
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161 // @todo Once path aliases have cache tags (see
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162 // https://www.drupal.org/node/2480077), add test coverage that
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163 // the cache tag for a commented entity's path alias is added to the
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164 // comment's permalink response, because there can be blocks or
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165 // other content whose renderings depend on the subrequest's URL.
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166 $response->addCacheableDependency($subrequest_url);
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167 }
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168 return $response;
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169 }
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170 throw new NotFoundHttpException();
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171 }
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172
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173 /**
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174 * The _title_callback for the page that renders the comment permalink.
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175 *
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176 * @param \Drupal\comment\CommentInterface $comment
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177 * The current comment.
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178 *
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179 * @return string
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180 * The translated comment subject.
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181 */
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182 public function commentPermalinkTitle(CommentInterface $comment) {
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183 return $this->entityRepository->getTranslationFromContext($comment)->label();
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184 }
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185
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186 /**
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187 * Redirects legacy node links to the new path.
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188 *
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189 * @param \Drupal\Core\Entity\EntityInterface $node
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190 * The node object identified by the legacy URL.
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191 *
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192 * @return \Symfony\Component\HttpFoundation\RedirectResponse
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193 * Redirects user to new url.
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194 *
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195 * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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196 */
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197 public function redirectNode(EntityInterface $node) {
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198 $fields = $this->commentManager->getFields('node');
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199 // Legacy nodes only had a single comment field, so use the first comment
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200 // field on the entity.
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201 if (!empty($fields) && ($field_names = array_keys($fields)) && ($field_name = reset($field_names))) {
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202 return $this->redirect('comment.reply', [
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203 'entity_type' => 'node',
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204 'entity' => $node->id(),
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205 'field_name' => $field_name,
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206 ]);
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207 }
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208 throw new NotFoundHttpException();
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209 }
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210
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211 /**
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212 * Form constructor for the comment reply form.
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213 *
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214 * There are several cases that have to be handled, including:
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215 * - replies to comments
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216 * - replies to entities
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217 *
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218 * @param \Symfony\Component\HttpFoundation\Request $request
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219 * The current request object.
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220 * @param \Drupal\Core\Entity\EntityInterface $entity
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221 * The entity this comment belongs to.
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222 * @param string $field_name
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223 * The field_name to which the comment belongs.
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224 * @param int $pid
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225 * (optional) Some comments are replies to other comments. In those cases,
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226 * $pid is the parent comment's comment ID. Defaults to NULL.
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227 *
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228 * @return array|\Symfony\Component\HttpFoundation\RedirectResponse
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229 * An associative array containing:
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230 * - An array for rendering the entity or parent comment.
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231 * - comment_entity: If the comment is a reply to the entity.
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232 * - comment_parent: If the comment is a reply to another comment.
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233 * - comment_form: The comment form as a renderable array.
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234 *
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235 * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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236 */
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237 public function getReplyForm(Request $request, EntityInterface $entity, $field_name, $pid = NULL) {
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238 $account = $this->currentUser();
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239 $build = [];
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240
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241 // The user is not just previewing a comment.
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242 if ($request->request->get('op') != $this->t('Preview')) {
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243
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244 // $pid indicates that this is a reply to a comment.
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245 if ($pid) {
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246 // Load the parent comment.
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247 $comment = $this->entityTypeManager()->getStorage('comment')->load($pid);
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248 // Display the parent comment.
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249 $build['comment_parent'] = $this->entityTypeManager()->getViewBuilder('comment')->view($comment);
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250 }
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251
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252 // The comment is in response to a entity.
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253 elseif ($entity->access('view', $account)) {
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254 // We make sure the field value isn't set so we don't end up with a
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255 // redirect loop.
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256 $entity = clone $entity;
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257 $entity->{$field_name}->status = CommentItemInterface::HIDDEN;
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258 // Render array of the entity full view mode.
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259 $build['commented_entity'] = $this->entityTypeManager()->getViewBuilder($entity->getEntityTypeId())->view($entity, 'full');
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260 unset($build['commented_entity']['#cache']);
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261 }
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262 }
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263 else {
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264 $build['#title'] = $this->t('Preview comment');
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265 }
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266
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267 // Show the actual reply box.
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268 $comment = $this->entityTypeManager()->getStorage('comment')->create([
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269 'entity_id' => $entity->id(),
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270 'pid' => $pid,
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271 'entity_type' => $entity->getEntityTypeId(),
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272 'field_name' => $field_name,
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273 ]);
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274 $build['comment_form'] = $this->entityFormBuilder()->getForm($comment);
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275
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276 return $build;
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277 }
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278
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279 /**
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280 * Access check for the reply form.
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281 *
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282 * @param \Drupal\Core\Entity\EntityInterface $entity
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283 * The entity this comment belongs to.
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284 * @param string $field_name
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285 * The field_name to which the comment belongs.
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286 * @param int $pid
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287 * (optional) Some comments are replies to other comments. In those cases,
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288 * $pid is the parent comment's comment ID. Defaults to NULL.
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289 *
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290 * @return \Drupal\Core\Access\AccessResultInterface
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291 * An access result
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292 *
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293 * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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294 */
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295 public function replyFormAccess(EntityInterface $entity, $field_name, $pid = NULL) {
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296 // Check if entity and field exists.
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297 $fields = $this->commentManager->getFields($entity->getEntityTypeId());
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298 if (empty($fields[$field_name])) {
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299 throw new NotFoundHttpException();
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300 }
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301
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302 $account = $this->currentUser();
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303
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304 // Check if the user has the proper permissions.
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305 $access = AccessResult::allowedIfHasPermission($account, 'post comments');
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306
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307 // If commenting is open on the entity.
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308 $status = $entity->{$field_name}->status;
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309 $access = $access->andIf(AccessResult::allowedIf($status == CommentItemInterface::OPEN)
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310 ->addCacheableDependency($entity))
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311 // And if user has access to the host entity.
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312 ->andIf(AccessResult::allowedIf($entity->access('view')));
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313
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314 // $pid indicates that this is a reply to a comment.
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315 if ($pid) {
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316 // Check if the user has the proper permissions.
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317 $access = $access->andIf(AccessResult::allowedIfHasPermission($account, 'access comments'));
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318
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319 // Load the parent comment.
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320 $comment = $this->entityTypeManager()->getStorage('comment')->load($pid);
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321 // Check if the parent comment is published and belongs to the entity.
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322 $access = $access->andIf(AccessResult::allowedIf($comment && $comment->isPublished() && $comment->getCommentedEntityId() == $entity->id()));
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323 if ($comment) {
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324 $access->addCacheableDependency($comment);
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325 }
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326 }
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327 return $access;
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328 }
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329
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330 /**
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331 * Returns a set of nodes' last read timestamps.
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332 *
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333 * @param \Symfony\Component\HttpFoundation\Request $request
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334 * The request of the page.
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335 *
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336 * @return \Symfony\Component\HttpFoundation\JsonResponse
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337 * The JSON response.
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338 *
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339 * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
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340 * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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341 */
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342 public function renderNewCommentsNodeLinks(Request $request) {
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343 if ($this->currentUser()->isAnonymous()) {
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344 throw new AccessDeniedHttpException();
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345 }
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346
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347 $nids = $request->request->get('node_ids');
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348 $field_name = $request->request->get('field_name');
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349 if (!isset($nids)) {
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350 throw new NotFoundHttpException();
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351 }
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352 // Only handle up to 100 nodes.
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353 $nids = array_slice($nids, 0, 100);
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354
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355 $links = [];
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356 foreach ($nids as $nid) {
|
Chris@18
|
357 $node = $this->entityTypeManager()->getStorage('node')->load($nid);
|
Chris@0
|
358 $new = $this->commentManager->getCountNewComments($node);
|
Chris@18
|
359 $page_number = $this->entityTypeManager()->getStorage('comment')
|
Chris@0
|
360 ->getNewCommentPageNumber($node->{$field_name}->comment_count, $new, $node, $field_name);
|
Chris@0
|
361 $query = $page_number ? ['page' => $page_number] : NULL;
|
Chris@0
|
362 $links[$nid] = [
|
Chris@0
|
363 'new_comment_count' => (int) $new,
|
Chris@0
|
364 'first_new_comment_link' => $this->getUrlGenerator()->generateFromRoute('entity.node.canonical', ['node' => $node->id()], ['query' => $query, 'fragment' => 'new']),
|
Chris@0
|
365 ];
|
Chris@0
|
366 }
|
Chris@0
|
367
|
Chris@0
|
368 return new JsonResponse($links);
|
Chris@0
|
369 }
|
Chris@0
|
370
|
Chris@0
|
371 }
|