102 lines
3.9 KiB
PHP
102 lines
3.9 KiB
PHP
<?php
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/**
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* @file
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* User page callbacks for the Comment module.
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*/
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use Drupal\Core\Entity\EntityInterface;
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use Drupal\comment\Plugin\Core\Entity\Comment;
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use Symfony\Component\HttpFoundation\RedirectResponse;
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
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/**
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* Form constructor for the comment reply form.
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*
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* There are several cases that have to be handled, including:
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* - replies to comments
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* - replies to nodes
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* - attempts to reply to nodes that can no longer accept comments
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* - respecting access permissions ('access comments', 'post comments', etc.)
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*
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* The node or comment that is being replied to must appear above the comment
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* form to provide the user context while authoring the comment.
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*
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* @param \Drupal\Core\Entity\EntityInterface $node
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* Every comment belongs to a node. This is that node.
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* @param $pid
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* (optional) Some comments are replies to other comments. In those cases,
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* $pid is the parent comment's comment ID. Defaults to NULL.
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*
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* @return array
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* An associative array containing:
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* - An array for rendering the node or parent comment.
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* - comment_node: If the comment is a reply to the node.
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* - comment_parent: If the comment is a reply to another comment.
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* - comment_form: The comment form as a renderable array.
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*/
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function comment_reply(EntityInterface $node, $pid = NULL) {
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// Set the breadcrumb trail.
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drupal_set_breadcrumb(array(l(t('Home'), NULL), l($node->label(), 'node/' . $node->nid)));
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$op = Drupal::request()->request->get('op');
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$build = array();
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// The user is previewing a comment prior to submitting it.
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if ($op == t('Preview')) {
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if (user_access('post comments')) {
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$build['comment_form'] = comment_add($node, $pid);
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}
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else {
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drupal_set_message(t('You are not authorized to post comments.'), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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}
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else {
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// $pid indicates that this is a reply to a comment.
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if ($pid) {
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if (user_access('access comments')) {
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// Load the parent comment.
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$comment = comment_load($pid);
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if ($comment->status->value == COMMENT_PUBLISHED) {
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// If that comment exists, make sure that the current comment and the
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// parent comment both belong to the same parent node.
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if ($comment->nid->target_id != $node->nid) {
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// Attempting to reply to a comment not belonging to the current nid.
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drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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// Display the parent comment
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$build['comment_parent'] = comment_view($comment);
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}
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else {
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drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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}
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else {
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drupal_set_message(t('You are not authorized to view comments.'), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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}
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// This is the case where the comment is in response to a node. Display the node.
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elseif (user_access('access content')) {
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$build['comment_node'] = node_view($node);
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}
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// Should we show the reply box?
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if ($node->comment != COMMENT_NODE_OPEN) {
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drupal_set_message(t("This discussion is closed: you can't post new comments."), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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elseif (user_access('post comments')) {
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$build['comment_form'] = comment_add($node, $pid);
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}
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else {
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drupal_set_message(t('You are not authorized to post comments.'), 'error');
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return new RedirectResponse(url("node/$node->nid", array('absolute' => TRUE)));
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}
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}
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return $build;
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}
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