misuzu/src/Forum/post.php

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PHP
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2022-09-13 13:14:49 +00:00
<?php
define('MSZ_FORUM_POSTS_PER_PAGE', 10);
function forum_post_create(
int $topicId,
int $forumId,
int $userId,
string $ipAddress,
string $text,
int $parser = \Misuzu\Parsers\Parser::PLAIN,
bool $displaySignature = true
): int {
$createPost = \Misuzu\DB::prepare('
INSERT INTO `msz_forum_posts`
(`topic_id`, `forum_id`, `user_id`, `post_ip`, `post_text`, `post_parse`, `post_display_signature`)
VALUES
(:topic_id, :forum_id, :user_id, INET6_ATON(:post_ip), :post_text, :post_parse, :post_display_signature)
');
$createPost->bind('topic_id', $topicId);
$createPost->bind('forum_id', $forumId);
$createPost->bind('user_id', $userId);
$createPost->bind('post_ip', $ipAddress);
$createPost->bind('post_text', $text);
$createPost->bind('post_parse', $parser);
$createPost->bind('post_display_signature', $displaySignature ? 1 : 0);
return $createPost->execute() ? \Misuzu\DB::lastId() : 0;
}
function forum_post_update(
int $postId,
string $ipAddress,
string $text,
int $parser = \Misuzu\Parsers\Parser::PLAIN,
bool $displaySignature = true,
bool $bumpUpdate = true
): bool {
if($postId < 1) {
return false;
}
$updatePost = \Misuzu\DB::prepare('
UPDATE `msz_forum_posts`
SET `post_ip` = INET6_ATON(:post_ip),
`post_text` = :post_text,
`post_parse` = :post_parse,
`post_display_signature` = :post_display_signature,
`post_edited` = IF(:bump, NOW(), `post_edited`)
WHERE `post_id` = :post_id
');
$updatePost->bind('post_id', $postId);
$updatePost->bind('post_ip', $ipAddress);
$updatePost->bind('post_text', $text);
$updatePost->bind('post_parse', $parser);
$updatePost->bind('post_display_signature', $displaySignature ? 1 : 0);
$updatePost->bind('bump', $bumpUpdate ? 1 : 0);
return $updatePost->execute();
}
function forum_post_find(int $postId, int $userId): array {
$getPostInfo = \Misuzu\DB::prepare(sprintf(
'
SELECT
p.`post_id`, p.`topic_id`,
(
SELECT COUNT(`post_id`)
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
AND `post_id` < p.`post_id`
AND `post_deleted` IS NULL
ORDER BY `post_id`
) as `preceeding_post_count`,
(
SELECT COUNT(`post_id`)
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
AND `post_id` < p.`post_id`
AND `post_deleted` IS NOT NULL
ORDER BY `post_id`
) as `preceeding_post_deleted_count`
FROM `msz_forum_posts` AS p
WHERE p.`post_id` = :post_id
'));
$getPostInfo->bind('post_id', $postId);
return $getPostInfo->fetch();
}
function forum_post_get(int $postId, bool $allowDeleted = false): array {
$getPost = \Misuzu\DB::prepare(sprintf(
'
SELECT
p.`post_id`, p.`post_text`, p.`post_created`, p.`post_parse`, p.`post_display_signature`,
p.`topic_id`, p.`post_deleted`, p.`post_edited`, p.`topic_id`, p.`forum_id`,
INET6_NTOA(p.`post_ip`) AS `post_ip`,
u.`user_id` AS `poster_id`, u.`username` AS `poster_name`,
u.`user_created` AS `poster_joined`, u.`user_country` AS `poster_country`,
COALESCE(u.`user_colour`, r.`role_colour`) AS `poster_colour`,
(
SELECT COUNT(`post_id`)
FROM `msz_forum_posts`
WHERE `user_id` = p.`user_id`
AND `post_deleted` IS NULL
) AS `poster_post_count`,
(
SELECT MIN(`post_id`) = p.`post_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
) AS `is_opening_post`,
(
SELECT `user_id` = u.`user_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
ORDER BY `post_id`
LIMIT 1
) AS `is_original_poster`
FROM `msz_forum_posts` AS p
LEFT JOIN `msz_users` AS u
ON u.`user_id` = p.`user_id`
LEFT JOIN `msz_roles` AS r
ON r.`role_id` = u.`display_role`
WHERE `post_id` = :post_id
%1$s
ORDER BY `post_id`
',
$allowDeleted ? '' : 'AND `post_deleted` IS NULL'
));
$getPost->bind('post_id', $postId);
return $getPost->fetch();
}
function forum_post_search(string $query): array {
$searchPosts = \Misuzu\DB::prepare('
SELECT
p.`post_id`, p.`post_text`, p.`post_created`, p.`post_parse`, p.`post_display_signature`,
p.`topic_id`, p.`post_deleted`, p.`post_edited`, p.`topic_id`, p.`forum_id`,
INET6_NTOA(p.`post_ip`) AS `post_ip`,
u.`user_id` AS `poster_id`, u.`username` AS `poster_name`,
u.`user_created` AS `poster_joined`, u.`user_country` AS `poster_country`,
u.`user_signature_content` AS `poster_signature_content`, u.`user_signature_parser` AS `poster_signature_parser`,
COALESCE(u.`user_colour`, r.`role_colour`) AS `poster_colour`,
COALESCE(u.`user_title`, r.`role_title`) AS `poster_title`,
(
SELECT COUNT(`post_id`)
FROM `msz_forum_posts`
WHERE `user_id` = p.`user_id`
AND `post_deleted` IS NULL
) AS `poster_post_count`,
(
SELECT MIN(`post_id`) = p.`post_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
) AS `is_opening_post`,
(
SELECT `user_id` = u.`user_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
ORDER BY `post_id`
LIMIT 1
) AS `is_original_poster`
FROM `msz_forum_posts` AS p
LEFT JOIN `msz_users` AS u
ON u.`user_id` = p.`user_id`
LEFT JOIN `msz_roles` AS r
ON r.`role_id` = u.`display_role`
WHERE MATCH(p.`post_text`)
AGAINST (:query IN NATURAL LANGUAGE MODE)
AND `post_deleted` IS NULL
ORDER BY `post_id`
');
$searchPosts->bind('query', $query);
return $searchPosts->fetchAll();
}
function forum_post_count_user(int $userId, bool $showDeleted = false): int {
$getPosts = \Misuzu\DB::prepare(sprintf(
'
SELECT COUNT(p.`post_id`)
FROM `msz_forum_posts` AS p
WHERE `user_id` = :user_id
%1$s
',
$showDeleted ? '' : 'AND `post_deleted` IS NULL'
));
$getPosts->bind('user_id', $userId);
return (int)$getPosts->fetchColumn();
}
function forum_post_listing(
int $topicId,
int $offset = 0,
int $take = 0,
bool $showDeleted = false,
bool $selectAuthor = false
): array {
$hasPagination = $offset >= 0 && $take > 0;
$getPosts = \Misuzu\DB::prepare(sprintf(
'
SELECT
p.`post_id`, p.`post_text`, p.`post_created`, p.`post_parse`,
p.`topic_id`, p.`post_deleted`, p.`post_edited`, p.`post_display_signature`,
INET6_NTOA(p.`post_ip`) AS `post_ip`,
u.`user_id` AS `poster_id`, u.`username` AS `poster_name`,
u.`user_created` AS `poster_joined`, u.`user_country` AS `poster_country`,
u.`user_signature_content` AS `poster_signature_content`, u.`user_signature_parser` AS `poster_signature_parser`,
COALESCE(u.`user_colour`, r.`role_colour`) AS `poster_colour`,
COALESCE(u.`user_title`, r.`role_title`) AS `poster_title`,
(
SELECT COUNT(`post_id`)
FROM `msz_forum_posts`
WHERE `user_id` = p.`user_id`
AND `post_deleted` IS NULL
) AS `poster_post_count`,
(
SELECT MIN(`post_id`) = p.`post_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
) AS `is_opening_post`,
(
SELECT `user_id` = u.`user_id`
FROM `msz_forum_posts`
WHERE `topic_id` = p.`topic_id`
ORDER BY `post_id`
LIMIT 1
) AS `is_original_poster`
FROM `msz_forum_posts` AS p
LEFT JOIN `msz_users` AS u
ON u.`user_id` = p.`user_id`
LEFT JOIN `msz_roles` AS r
ON r.`role_id` = u.`display_role`
WHERE %3$s = :topic_id
%1$s
ORDER BY `post_id`
%2$s
',
$showDeleted ? '' : 'AND `post_deleted` IS NULL',
$hasPagination ? 'LIMIT :offset, :take' : '',
$selectAuthor ? 'p.`user_id`' : 'p.`topic_id`'
));
$getPosts->bind('topic_id', $topicId);
if($hasPagination) {
$getPosts->bind('offset', $offset);
$getPosts->bind('take', $take);
}
return $getPosts->fetchAll();
}
define('MSZ_E_FORUM_POST_DELETE_OK', 0); // deleting is fine
define('MSZ_E_FORUM_POST_DELETE_USER', 1); // invalid user
define('MSZ_E_FORUM_POST_DELETE_POST', 2); // post doesn't exist
define('MSZ_E_FORUM_POST_DELETE_DELETED', 3); // post is already marked as deleted
define('MSZ_E_FORUM_POST_DELETE_OWNER', 4); // you may only delete your own posts
define('MSZ_E_FORUM_POST_DELETE_OLD', 5); // posts has existed for too long to be deleted
define('MSZ_E_FORUM_POST_DELETE_PERM', 6); // you aren't allowed to delete posts
define('MSZ_E_FORUM_POST_DELETE_OP', 7); // this is the opening post of a topic
// only allow posts made within a week of posting to be deleted by normal users
define('MSZ_FORUM_POST_DELETE_LIMIT', 60 * 60 * 24 * 7);
// set $userId to null for system request, make sure this is NEVER EVER null on user request
// $postId can also be a the return value of forum_post_get if you already grabbed it once before
function forum_post_can_delete($postId, ?int $userId = null): int {
if($userId !== null && $userId < 1) {
return MSZ_E_FORUM_POST_DELETE_USER;
}
if(is_array($postId)) {
$post = $postId;
} else {
$post = forum_post_get((int)$postId, true);
}
if(empty($post)) {
return MSZ_E_FORUM_POST_DELETE_POST;
}
$isSystemReq = $userId === null;
$perms = $isSystemReq ? 0 : forum_perms_get_user($post['forum_id'], $userId)[MSZ_FORUM_PERMS_GENERAL];
$canDeleteAny = $isSystemReq ? true : perms_check($perms, MSZ_FORUM_PERM_DELETE_ANY_POST);
$canViewPost = $isSystemReq ? true : perms_check($perms, MSZ_FORUM_PERM_VIEW_FORUM);
$postIsDeleted = !empty($post['post_deleted']);
if(!$canViewPost) {
return MSZ_E_FORUM_POST_DELETE_POST;
}
if($post['is_opening_post']) {
return MSZ_E_FORUM_POST_DELETE_OP;
}
if($postIsDeleted) {
return $canDeleteAny ? MSZ_E_FORUM_POST_DELETE_DELETED : MSZ_E_FORUM_POST_DELETE_POST;
}
if($isSystemReq) {
return MSZ_E_FORUM_POST_DELETE_OK;
}
if(!$canDeleteAny) {
if(!perms_check($perms, MSZ_FORUM_PERM_DELETE_POST)) {
return MSZ_E_FORUM_POST_DELETE_PERM;
}
if($post['poster_id'] !== $userId) {
return MSZ_E_FORUM_POST_DELETE_OWNER;
}
if(strtotime($post['post_created']) <= (time() - MSZ_FORUM_POST_DELETE_LIMIT)) {
return MSZ_E_FORUM_POST_DELETE_OLD;
}
}
return MSZ_E_FORUM_POST_DELETE_OK;
}
function forum_post_delete(int $postId): bool {
if($postId < 1) {
return false;
}
$markDeleted = \Misuzu\DB::prepare('
UPDATE `msz_forum_posts`
SET `post_deleted` = NOW()
WHERE `post_id` = :post
AND `post_deleted` IS NULL
');
$markDeleted->bind('post', $postId);
return $markDeleted->execute();
}
function forum_post_restore(int $postId): bool {
if($postId < 1) {
return false;
}
$markDeleted = \Misuzu\DB::prepare('
UPDATE `msz_forum_posts`
SET `post_deleted` = NULL
WHERE `post_id` = :post
AND `post_deleted` IS NOT NULL
');
$markDeleted->bind('post', $postId);
return $markDeleted->execute();
}
function forum_post_nuke(int $postId): bool {
if($postId < 1) {
return false;
}
$markDeleted = \Misuzu\DB::prepare('
DELETE FROM `msz_forum_posts`
WHERE `post_id` = :post
');
$markDeleted->bind('post', $postId);
return $markDeleted->execute();
}