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