263 lines
8.6 KiB
PHP
263 lines
8.6 KiB
PHP
<?php
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namespace Misuzu;
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use Misuzu\AuditLog;
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use Misuzu\Comments\CommentsCategory;
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use Misuzu\Comments\CommentsCategoryNotFoundException;
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use Misuzu\Comments\CommentsPost;
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use Misuzu\Comments\CommentsPostNotFoundException;
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use Misuzu\Comments\CommentsPostSaveFailedException;
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use Misuzu\Comments\CommentsVote;
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use Misuzu\Users\User;
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use Misuzu\Users\UserNotFoundException;
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require_once '../misuzu.php';
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// basing whether or not this is an xhr request on whether a referrer header is present
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// this page is never directy accessed, under normal circumstances
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$redirect = !empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : url('index');
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if(!is_local_url($redirect)) {
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echo render_info('Possible request forgery detected.', 403);
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return;
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}
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if(!CSRF::validateRequest()) {
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echo render_info("Couldn't verify this request, please refresh the page and try again.", 403);
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return;
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}
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$currentUserInfo = User::getCurrent();
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if($currentUserInfo === null) {
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echo render_info('You must be logged in to manage comments.', 401);
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return;
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}
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if($currentUserInfo->isBanned()) {
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echo render_info('You have been banned, check your profile for more information.', 403);
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return;
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}
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if($currentUserInfo->isSilenced()) {
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echo render_info('You have been silenced, check your profile for more information.', 403);
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return;
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}
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header(CSRF::header());
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$commentPerms = $currentUserInfo->commentPerms();
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$commentId = (int)filter_input(INPUT_GET, 'c', FILTER_SANITIZE_NUMBER_INT);
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$commentMode = filter_input(INPUT_GET, 'm');
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$commentVote = (int)filter_input(INPUT_GET, 'v', FILTER_SANITIZE_NUMBER_INT);
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if($commentId > 0)
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try {
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$commentInfo2 = CommentsPost::byId($commentId);
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} catch(CommentsPostNotFoundException $ex) {
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echo render_info('Post not found.', 404);
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return;
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}
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switch($commentMode) {
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case 'pin':
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case 'unpin':
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if(!$commentPerms['can_pin'] && !$commentInfo2->isOwner($currentUserInfo)) {
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echo render_info("You're not allowed to pin comments.", 403);
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break;
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}
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if($commentInfo2->isDeleted()) {
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echo render_info("This comment doesn't exist!", 400);
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break;
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}
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if($commentInfo2->hasParent()) {
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echo render_info("You can't pin replies!", 400);
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break;
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}
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$isPinning = $commentMode === 'pin';
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if($isPinning && $commentInfo2->isPinned()) {
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echo render_info('This comment is already pinned.', 400);
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break;
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} elseif(!$isPinning && !$commentInfo2->isPinned()) {
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echo render_info("This comment isn't pinned yet.", 400);
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break;
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}
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$commentInfo2->setPinned($isPinning);
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$commentInfo2->save();
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redirect($redirect . '#comment-' . $commentInfo2->getId());
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break;
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case 'vote':
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if(!$commentPerms['can_vote'] && !$commentInfo2->isOwner($currentUserInfo)) {
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echo render_info("You're not allowed to vote on comments.", 403);
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break;
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}
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if($commentInfo2->isDeleted()) {
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echo render_info("This comment doesn't exist!", 400);
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break;
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}
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if($commentVote > 0)
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$commentInfo2->addPositiveVote($currentUserInfo);
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elseif($commentVote < 0)
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$commentInfo2->addNegativeVote($currentUserInfo);
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else
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$commentInfo2->removeVote($currentUserInfo);
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redirect($redirect . '#comment-' . $commentInfo2->getId());
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break;
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case 'delete':
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if(!$commentPerms['can_delete'] && !$commentInfo2->isOwner($currentUserInfo)) {
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echo render_info("You're not allowed to delete comments.", 403);
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break;
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}
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if($commentInfo2->isDeleted()) {
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echo render_info(
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$commentPerms['can_delete_any'] ? 'This comment is already marked for deletion.' : "This comment doesn't exist.",
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400
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);
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break;
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}
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$isOwnComment = $commentInfo2->getUserId() === $currentUserInfo->getId();
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$isModAction = $commentPerms['can_delete_any'] && !$isOwnComment;
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if(!$isModAction && !$isOwnComment) {
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echo render_info("You're not allowed to delete comments made by others.", 403);
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break;
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}
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$commentInfo2->setDeleted(true);
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$commentInfo2->save();
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if($isModAction) {
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AuditLog::create(AuditLog::COMMENT_ENTRY_DELETE_MOD, [
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$commentInfo2->getId(),
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$commentUserId = $commentInfo2->getUserId(),
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($commentUserId < 1 ? '(Deleted User)' : $commentInfo2->getUser()->getUsername()),
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]);
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} else {
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AuditLog::create(AuditLog::COMMENT_ENTRY_DELETE, [$commentInfo2->getId()]);
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}
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redirect($redirect);
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break;
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case 'restore':
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if(!$commentPerms['can_delete_any']) {
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echo render_info("You're not allowed to restore deleted comments.", 403);
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break;
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}
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if(!$commentInfo2->isDeleted()) {
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echo render_info("This comment isn't in a deleted state.", 400);
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break;
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}
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$commentInfo2->setDeleted(false);
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$commentInfo2->save();
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AuditLog::create(AuditLog::COMMENT_ENTRY_RESTORE, [
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$commentInfo2->getId(),
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$commentUserId = $commentInfo2->getUserId(),
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($commentUserId < 1 ? '(Deleted User)' : $commentInfo2->getUser()->getUsername()),
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]);
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redirect($redirect . '#comment-' . $commentInfo2->getId());
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break;
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case 'create':
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if(!$commentPerms['can_comment'] && !$commentInfo2->isOwner($currentUserInfo)) {
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echo render_info("You're not allowed to post comments.", 403);
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break;
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}
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if(empty($_POST['comment']) || !is_array($_POST['comment'])) {
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echo render_info('Missing data.', 400);
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break;
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}
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try {
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$categoryInfo = CommentsCategory::byId(
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isset($_POST['comment']['category']) && is_string($_POST['comment']['category'])
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? (int)$_POST['comment']['category']
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: 0
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);
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} catch(CommentsCategoryNotFoundException $ex) {
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echo render_info('This comment category doesn\'t exist.', 404);
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break;
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}
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if($categoryInfo->isLocked() && !$commentPerms['can_lock']) {
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echo render_info('This comment category has been locked.', 403);
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break;
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}
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$commentText = !empty($_POST['comment']['text']) && is_string($_POST['comment']['text']) ? $_POST['comment']['text'] : '';
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$commentReply = !empty($_POST['comment']['reply']) && is_string($_POST['comment']['reply']) ? (int)$_POST['comment']['reply'] : 0;
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$commentLock = !empty($_POST['comment']['lock']) && $commentPerms['can_lock'];
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$commentPin = !empty($_POST['comment']['pin']) && $commentPerms['can_pin'];
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if($commentLock) {
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$categoryInfo->setLocked(!$categoryInfo->isLocked());
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$categoryInfo->save();
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}
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if(strlen($commentText) > 0) {
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$commentText = preg_replace("/[\r\n]{2,}/", "\n", $commentText);
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} else {
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if($commentPerms['can_lock']) {
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echo render_info('The action has been processed.');
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} else {
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echo render_info('Your comment is too short.', 400);
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}
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break;
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}
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if(mb_strlen($commentText) > 5000) {
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echo render_info('Your comment is too long.', 400);
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break;
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}
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if($commentReply > 0) {
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try {
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$parentCommentInfo = CommentsPost::byId($commentReply);
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} catch(CommentsPostNotFoundException $ex) {
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unset($parentCommentInfo);
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}
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if(!isset($parentCommentInfo) || $parentCommentInfo->isDeleted()) {
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echo render_info('The comment you tried to reply to does not exist.', 404);
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break;
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}
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}
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$commentInfo2 = (new CommentsPost)
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->setUser($currentUserInfo)
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->setCategory($categoryInfo)
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->setParsedText($commentText)
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->setPinned($commentPin);
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if(isset($parentCommentInfo))
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$commentInfo2->setParent($parentCommentInfo);
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try {
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$commentInfo2->save();
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} catch(CommentsPostSaveFailedException $ex) {
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echo render_info('Something went horribly wrong.', 500);
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break;
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}
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redirect($redirect . '#comment-' . $commentInfo2->getId());
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break;
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default:
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echo render_info('Not found.', 404);
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}
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