misuzu/public-legacy/forum/forum.php

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<?php
namespace Misuzu;
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use stdClass;
use RuntimeException;
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$forum = $msz->getForum();
$users = $msz->getUsers();
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$categoryId = (int)filter_input(INPUT_GET, 'f', FILTER_SANITIZE_NUMBER_INT);
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try {
$categoryInfo = $forum->getCategory(categoryId: $categoryId);
} catch(RuntimeException $ex) {
Template::throwError(404);
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}
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$perms = $msz->getAuthInfo()->getPerms('forum', $categoryInfo);
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$currentUser = $msz->getActiveUser();
$currentUserId = $currentUser === null ? '0' : $currentUser->getId();
if(!$perms->check(Perm::F_CATEGORY_VIEW))
Template::throwError(403);
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if($msz->hasActiveBan())
$perms = $perms->apply(fn($calc) => $calc & (Perm::F_CATEGORY_LIST | Perm::F_CATEGORY_VIEW));
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if($categoryInfo->isLink()) {
if($categoryInfo->hasLinkTarget()) {
$forum->incrementCategoryClicks($categoryInfo);
redirect($categoryInfo->getLinkTarget());
return;
}
Template::throwError(404);
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}
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$forumPagination = new Pagination($forum->countTopics(
categoryInfo: $categoryInfo,
global: true,
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deleted: $perms->check(Perm::F_POST_DELETE_ANY) ? null : false
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), 20);
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if(!$forumPagination->hasValidOffset())
Template::throwError(404);
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$userInfos = [];
$userColours = [];
$children = [];
$topics = [];
if($categoryInfo->mayHaveChildren()) {
$children = $forum->getCategoryChildren($categoryInfo, hidden: false, asTree: true);
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foreach($children as $childId => $child) {
$childPerms = $msz->getAuthInfo()->getPerms('forum', $child->info);
if(!$childPerms->check(Perm::F_CATEGORY_LIST)) {
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unset($category->children[$childId]);
continue;
}
$childUnread = false;
if($child->info->mayHaveChildren()) {
foreach($child->children as $grandChildId => $grandChild) {
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$grandChildPerms = $msz->getAuthInfo()->getPerms('forum', $grandChild->info);
if(!$grandChildPerms->check(Perm::F_CATEGORY_LIST)) {
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unset($child->children[$grandChildId]);
continue;
}
$grandChildUnread = false;
if($grandChild->info->mayHaveTopics()) {
$catIds = [$grandChild->info->getId()];
foreach($grandChild->childIds as $greatGrandChildId) {
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$greatGrandChildPerms = $msz->getAuthInfo()->getPerms('forum', $greatGrandChildId);
if(!$greatGrandChildPerms->check(Perm::F_CATEGORY_LIST))
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$catIds[] = $greatGrandChildId;
}
$grandChildUnread = $forum->checkCategoryUnread($catIds, $currentUser);
if($grandChildUnread)
$childUnread = true;
}
$grandChild->perms = $grandChildPerms;
$grandChild->unread = $grandChildUnread;
}
}
if($child->info->mayHaveChildren() || $child->info->mayHaveTopics()) {
$catIds = [$child->info->getId()];
foreach($child->childIds as $grandChildId) {
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$grandChildPerms = $msz->getAuthInfo()->getPerms('forum', $grandChildId);
if($grandChildPerms->check(Perm::F_CATEGORY_LIST))
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$catIds[] = $grandChildId;
}
try {
$lastPostInfo = $forum->getPost(categoryInfos: $catIds, getLast: true, deleted: false);
} catch(RuntimeException $ex) {
$lastPostInfo = null;
}
if($lastPostInfo !== null) {
$child->lastPost = new stdClass;
$child->lastPost->info = $lastPostInfo;
$child->lastPost->topicInfo = $forum->getTopic(postInfo: $lastPostInfo);
if($lastPostInfo->hasUserId()) {
$lastPostUserId = $lastPostInfo->getUserId();
if(!array_key_exists($lastPostUserId, $userInfos)) {
$userInfo = $users->getUser($lastPostUserId, 'id');
$userInfos[$lastPostUserId] = $userInfo;
$userColours[$lastPostUserId] = $users->getUserColour($userInfo);
}
$child->lastPost->user = $userInfos[$lastPostUserId];
$child->lastPost->colour = $userColours[$lastPostUserId];
}
}
}
if($child->info->mayHaveTopics() && !$childUnread)
$childUnread = $forum->checkCategoryUnread($child->info, $currentUser);
$child->perms = $childPerms;
$child->unread = $childUnread;
}
}
if($categoryInfo->mayHaveTopics()) {
$topicInfos = $forum->getTopics(
categoryInfo: $categoryInfo,
global: true,
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deleted: $perms->check(Perm::F_POST_DELETE_ANY) ? null : false,
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pagination: $forumPagination,
);
foreach($topicInfos as $topicInfo) {
$topics[] = $topic = new stdClass;
$topic->info = $topicInfo;
$topic->unread = $forum->checkTopicUnread($topicInfo, $currentUser);
$topic->participated = $forum->checkTopicParticipated($topicInfo, $currentUser);
$topic->lastPost = new stdClass;
if($topicInfo->hasUserId()) {
$lastTopicUserId = $topicInfo->getUserId();
if(!array_key_exists($lastTopicUserId, $userInfos)) {
$userInfo = $users->getUser($lastTopicUserId, 'id');
$userInfos[$lastTopicUserId] = $userInfo;
$userColours[$lastTopicUserId] = $users->getUserColour($userInfo);
}
$topic->user = $userInfos[$lastTopicUserId];
$topic->colour = $userColours[$lastTopicUserId];
}
try {
$topic->lastPost->info = $lastPostInfo = $forum->getPost(
topicInfo: $topicInfo,
getLast: true,
deleted: $topicInfo->isDeleted() ? null : false,
);
if($lastPostInfo->hasUserId()) {
$lastPostUserId = $lastPostInfo->getUserId();
if(!array_key_exists($lastPostUserId, $userInfos)) {
$userInfo = $users->getUser($lastPostUserId, 'id');
$userInfos[$lastPostUserId] = $userInfo;
$userColours[$lastPostUserId] = $users->getUserColour($userInfo);
}
$topic->lastPost->user = $userInfos[$lastPostUserId];
$topic->lastPost->colour = $userColours[$lastPostUserId];
}
} catch(RuntimeException $ex) {}
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}
}
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$perms = $perms->checkMany([
'can_create_topic' => Perm::F_TOPIC_CREATE,
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]);
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Template::render('forum.forum', [
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'forum_breadcrumbs' => $forum->getCategoryAncestry($categoryInfo),
'global_accent_colour' => $forum->getCategoryColour($categoryInfo),
'forum_info' => $categoryInfo,
'forum_children' => $children,
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'forum_topics' => $topics,
'forum_pagination' => $forumPagination,
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'forum_show_mark_as_read' => $currentUser !== null,
'forum_perms' => $perms,
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]);