class.ilForumPost.php

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<?php
 
declare(strict_types=1);
 
class ilForumPost
{
    public const NO_RCID = '-';
    private int $forum_id = 0;
    private int $thread_id = 0;
    private int $display_user_id = 0;
    private ?string $user_alias = null;
    private string $subject = '';
    private string $message = '';
    private ?string $createdate = null;
    private ?string $changedate = null;
    private int $user_id_update = 0;
    private bool $censored = false;
    private ?string $censorship_comment = null;
    private ?string $censored_date = null;
    private bool $notification = false;
    private ?string $import_name = null;
    private bool $status = true;
    private int $tree_id = 0;
    private int $parent_id = 0;
    private int $lft = 0;
    private int $rgt = 0;
    private int $depth = 0;
    private ?ilForumTopic $objThread = null;
    private readonly ilDBInterface $db;
    private bool $is_moderator = false;
    private ?bool $is_author_moderator = false;
    private bool $post_read = false;
    private int $pos_author_id = 0;
    private ?string $post_activation_date = null;
    private string $rcid = self::NO_RCID;
 
    public function __construct(private int $id = 0, bool $a_is_moderator = false, bool $preventImplicitRead = false)
    {
        global $DIC;
 
        $this->db = $DIC->database();
 
        if (!$preventImplicitRead) {
            $this->read();
        }
    }
 
    public function insert(): void
    {
        if ($this->forum_id && $this->thread_id) {
            $this->id = $this->db->nextId('frm_posts');
 
            $this->db->insert('frm_posts', [
                'pos_pk' => ['integer', $this->id],
                'pos_top_fk' => ['integer', $this->forum_id],
                'pos_thr_fk' => ['integer', $this->thread_id],
                'pos_display_user_id' => ['integer', $this->display_user_id],
                'pos_usr_alias' => ['text', $this->user_alias],
                'pos_subject' => ['text', $this->subject],
                'pos_message' => ['clob', $this->message],
                'pos_date' => ['timestamp', $this->createdate],
                'pos_update' => ['timestamp', $this->createdate],
                'update_user' => ['integer', $this->user_id_update],
                'pos_cens' => ['integer', (int) $this->censored],
                'notify' => ['integer', (int) $this->notification],
                'import_name' => ['text', $this->import_name],
                'pos_status' => ['integer', (int) $this->status],
                'pos_author_id' => ['integer', $this->pos_author_id],
                'is_author_moderator' => ['integer', $this->is_author_moderator],
                'pos_activation_date' => ['timestamp', $this->createdate]
            ]);
        }
    }
 
    public function update(): bool
    {
        if ($this->id !== 0) {
            $this->db->update(
                'frm_posts',
                [
                    'pos_top_fk' => ['integer', $this->forum_id],
                    'pos_thr_fk' => ['integer', $this->thread_id],
                    'pos_subject' => ['text', $this->subject],
                    'pos_message' => ['clob', $this->message],
                    'pos_update' => ['timestamp', $this->changedate],
                    'update_user' => ['integer', $this->user_id_update],
                    'pos_cens' => ['integer', (int) $this->censored],
                    'pos_cens_date' => ['timestamp', $this->censored_date],
                    'pos_cens_com' => ['text', $this->censorship_comment],
                    'notify' => ['integer', (int) $this->notification],
                    'pos_status' => ['integer', (int) $this->status],
                    'rcid' => ['text', ($this->rcid ?? self::NO_RCID)]
                ],
                [
                    'pos_pk' => ['integer', $this->id]
                ]
            );
 
            if ($this->objThread->getFirstVisiblePostId() === $this->id) {
                $this->objThread->setSubject($this->subject);
                $this->objThread->update();
                $this->objThread->reload();
            }
 
            return true;
        }
 
        return false;
    }
 
    private function read(): void
    {
        if ($this->id !== 0) {
            $res = $this->db->queryF(
                '
                                SELECT * FROM frm_posts
                                INNER JOIN frm_posts_tree ON pos_fk = pos_pk
                                WHERE pos_pk = %s',
                ['integer'],
                [$this->id]
            );
            $row = $this->db->fetchObject($res);
 
            if (is_object($row)) {
                $this->id = (int) $row->pos_pk;
                $this->forum_id = (int) $row->pos_top_fk;
                $this->thread_id = (int) $row->pos_thr_fk;
                $this->display_user_id = (int) $row->pos_display_user_id;
                $this->user_alias = $row->pos_usr_alias;
                $this->subject = (string) $row->pos_subject;
                $this->message = (string) $row->pos_message;
                $this->createdate = $row->pos_date;
                $this->changedate = $row->pos_update;
                $this->user_id_update = (int) $row->update_user;
                $this->censored = (bool) $row->pos_cens;
                $this->censored_date = $row->pos_cens_date;
                $this->censorship_comment = $row->pos_cens_com;
                $this->notification = (bool) $row->notify;
                $this->import_name = $row->import_name;
                $this->status = (bool) $row->pos_status;
                $this->tree_id = (int) $row->fpt_pk;
                $this->parent_id = (int) $row->parent_pos;
                $this->lft = (int) $row->lft;
                $this->rgt = (int) $row->rgt;
                $this->depth = (int) $row->depth;
                $this->pos_author_id = (int) $row->pos_author_id;
                $this->is_author_moderator = (bool) $row->is_author_moderator;
                $this->post_activation_date = $row->pos_activation_date;
                $this->rcid = (string) $row->rcid;
                $this->objThread = new ilForumTopic($this->thread_id, $this->is_moderator);
            }
        }
    }
 
    public function isAnyParentDeactivated(): bool
    {
        if ($this->id !== 0) {
            $res = $this->db->queryF(
                '
                                SELECT * FROM frm_posts_tree
                                INNER JOIN frm_posts ON pos_pk = pos_fk
                                WHERE pos_status = %s
                                AND lft < %s AND rgt > %s
                                AND thr_fk = %s',
                ['integer', 'integer', 'integer', 'integer'],
                [0, $this->lft, $this->rgt, $this->thread_id]
            );
 
            return $res->numRows() > 0;
        }
 
        return false;
    }
 
    public function reload(): void
    {
        $this->read();
    }
 
    public function activatePost(): void
    {
        if ($this->id !== 0) {
            $now = date('Y-m-d H:i:s');
            $this->db->update(
                'frm_posts',
                [
                    'pos_status' => ['integer', 1],
                    'pos_activation_date' => ['timestamp', $now]
                ],
                ['pos_pk' => ['integer', $this->id]]
            );
 
            $this->activateParentPosts();
            $this->setPostActivationDate($now);
            $this->setStatus(true);
        }
    }
 
    public function activatePostAndChildPosts(): bool
    {
        if ($this->id !== 0) {
            $query = "SELECT pos_pk FROM frm_posts_tree treea "
                . "INNER JOIN frm_posts_tree treeb ON treeb.thr_fk = treea.thr_fk "
                . "AND treeb.lft BETWEEN treea.lft AND treea.rgt "
                . "INNER JOIN frm_posts ON pos_pk = treeb.pos_fk "
                . "WHERE treea.pos_fk = %s";
            $result = $this->db->queryF(
                $query,
                ['integer'],
                [$this->id]
            );
 
            $now = date('Y-m-d H:i:s');
            while ($row = $this->db->fetchAssoc($result)) {
                $this->db->update(
                    'frm_posts',
                    [
                        'pos_status' => ['integer', 1],
                        'pos_activation_date' => ['timestamp', $now]
                    ],
                    ['pos_pk' => ['integer', $row['pos_pk']]]
                );
            }
 
            $this->activateParentPosts();
 
            return true;
        }
 
        return false;
    }
 
    public function activateParentPosts(): bool
    {
        if ($this->id !== 0) {
            $query = "SELECT pos_pk FROM frm_posts "
                . "INNER JOIN frm_posts_tree ON pos_fk = pos_pk "
                . "WHERE lft < %s AND rgt > %s AND thr_fk = %s";
            $result = $this->db->queryF(
                $query,
                ['integer', 'integer', 'integer'],
                [$this->lft, $this->rgt, $this->thread_id]
            );
 
            $now = date('Y-m-d H:i:s');
            while ($row = $this->db->fetchAssoc($result)) {
                $this->db->update(
                    'frm_posts',
                    [
                        'pos_status' => ['integer', 1],
                        'pos_activation_date' => ['timestamp', $now]
                    ],
                    ['pos_pk' => ['integer', $row['pos_pk']]]
                );
            }
 
            return true;
        }
 
        return false;
    }
 
    public function isPostRead(): bool
    {
        return $this->getIsRead();
    }
 
    public function isRead(int $a_user_id = 0): bool
    {
        if ($a_user_id && $this->id) {
            $res = $this->db->queryF(
                'SELECT * FROM frm_user_read WHERE usr_id = %s AND post_id = %s',
                ['integer', 'integer'],
                [$a_user_id, $this->id]
            );
 
            return $res->numRows() > 0;
        }
 
        return false;
    }
 
    public function hasReplies(): bool
    {
        if ($this->id && $this->rgt && $this->lft) {
            $res = $this->db->queryF(
                'SELECT * FROM frm_posts_tree WHERE lft > %s AND rgt < %s AND thr_fk = %s',
                ['integer', 'integer', 'integer'],
                [$this->lft, $this->rgt, $this->thread_id]
            );
 
            return $res->numRows() > 0;
        }
 
        return false;
    }
 
    public function isOwner(int $a_user_id = 0): bool
    {
        if ($this->pos_author_id && $a_user_id) {
            return $this->pos_author_id === $a_user_id;
        }
 
        return false;
    }
 
    public function setId(int $a_id): void
    {
        $this->id = $a_id;
    }
 
    public function getId(): int
    {
        return $this->id;
    }
 
    public function setForumId(int $a_forum_id): void
    {
        $this->forum_id = $a_forum_id;
    }
 
    public function getForumId(): int
    {
        return $this->forum_id;
    }
 
    public function setThreadId(int $a_thread_id): void
    {
        $this->thread_id = $a_thread_id;
    }
 
    public function getThreadId(): int
    {
        return $this->thread_id;
    }
 
    public function getRCID(): string
    {
        return $this->rcid;
    }
 
    public function setRCID(string $rcid): void
    {
        $this->rcid = $rcid;
    }
 
    public function setDisplayUserId(int $a_user_id): void
    {
        $this->display_user_id = $a_user_id;
    }
 
    public function getDisplayUserId(): int
    {
        return $this->display_user_id;
    }
 
    public function setUserAlias(?string $a_user_alias): void
    {
        $this->user_alias = $a_user_alias;
    }
 
    public function getUserAlias(): ?string
    {
        return $this->user_alias;
    }
 
    public function setSubject(string $a_subject): void
    {
        $this->subject = $a_subject;
    }
 
    public function getSubject(): string
    {
        return $this->subject;
    }
 
    public function setMessage(string $a_message): void
    {
        $this->message = $a_message;
    }
 
    public function getMessage(): string
    {
        return $this->message;
    }
 
    public function setCreateDate(?string $a_createdate): void
    {
        $this->createdate = $a_createdate;
    }
 
    public function getCreateDate(): ?string
    {
        return $this->createdate;
    }
 
    public function setChangeDate(?string $a_changedate): void
    {
        $this->changedate = $a_changedate;
    }
 
    public function getChangeDate(): ?string
    {
        return $this->changedate;
    }
 
    public function setUpdateUserId(int $a_user_id_update): void
    {
        $this->user_id_update = $a_user_id_update;
    }
 
    public function getUpdateUserId(): int
    {
        return $this->user_id_update;
    }
 
    public function setCensorship(bool $a_censorship): void
    {
        $this->censored = $a_censorship;
    }
 
    public function isCensored(): bool
    {
        return $this->censored;
    }
 
    public function setCensorshipComment(?string $a_comment): void
    {
        $this->censorship_comment = $a_comment;
    }
 
    public function getCensorshipComment(): ?string
    {
        return $this->censorship_comment;
    }
 
    public function setNotification(bool $a_notification): void
    {
        $this->notification = $a_notification;
    }
 
    public function isNotificationEnabled(): bool
    {
        return $this->notification;
    }
 
    public function setImportName(?string $a_import_name): void
    {
        $this->import_name = $a_import_name;
    }
 
    public function getImportName(): ?string
    {
        return $this->import_name;
    }
 
    public function setStatus(bool $a_status): void
    {
        $this->status = $a_status;
    }
 
    public function isActivated(): bool
    {
        return $this->status;
    }
 
    public function setTreeId(int $a_tree_id): void
    {
        $this->tree_id = $a_tree_id;
    }
 
    public function getTreeId(): int
    {
        return $this->tree_id;
    }
 
    public function setParentId(int $a_parent_id): void
    {
        $this->parent_id = $a_parent_id;
    }
 
    public function setIsRead(bool $a_is_read): void
    {
        $this->post_read = $a_is_read;
    }
 
    public function getIsRead(): bool
    {
        return $this->post_read;
    }
 
    public function getParentId(): int
    {
        return $this->parent_id;
    }
 
    public function setLft(int $a_lft): void
    {
        $this->lft = $a_lft;
    }
 
    public function getLft(): int
    {
        return $this->lft;
    }
 
    public function setRgt(int $a_rgt): void
    {
        $this->rgt = $a_rgt;
    }
 
    public function getRgt(): int
    {
        return $this->rgt;
    }
 
    public function setDepth(int $a_depth): void
    {
        $this->depth = $a_depth;
    }
 
    public function getDepth(): int
    {
        return $this->depth;
    }
 
    public function setThread(ilForumTopic $thread): void
    {
        $this->objThread = $thread;
    }
 
    public function getThread(): ?ilForumTopic
    {
        return $this->objThread;
    }
 
    public function setPosAuthorId(int $pos_author_id): void
    {
        $this->pos_author_id = $pos_author_id;
    }
 
    public function getPosAuthorId(): int
    {
        return $this->pos_author_id;
    }
 
    public function isAuthorModerator(): ?bool
    {
        return $this->is_author_moderator;
    }
 
    public function setIsAuthorModerator(?bool $is_author_moderator): void
    {
        $this->is_author_moderator = $is_author_moderator;
    }
 
    public function getCensoredDate(): ?string
    {
        return $this->censored_date;
    }
 
    public function getPostActivationDate(): ?string
    {
        return $this->post_activation_date;
    }
 
    public function setPostActivationDate(?string $post_activation_date): void
    {
        $this->post_activation_date = $post_activation_date;
    }
 
    public function setCensoredDate(?string $censored_date): void
    {
        $this->censored_date = $censored_date;
    }
 
    public function assignData(array $row): void
    {
        $this->setUserAlias((string) $row['pos_usr_alias']);
        $this->setSubject((string) $row['pos_subject']);
        $this->setCreateDate($row['pos_date']);
        $this->setMessage((string) $row['pos_message']);
        $this->setForumId((int) $row['pos_top_fk']);
        $this->setThreadId((int) $row['pos_thr_fk']);
        $this->setChangeDate($row['pos_update']);
        $this->setUpdateUserId((int) $row['update_user']);
        $this->setCensorship((bool) $row['pos_cens']);
        $this->setCensoredDate($row['pos_cens_date'] ?? null);
        $this->setCensorshipComment($row['pos_cens_com']);
        $this->setNotification((bool) $row['notify']);
        $this->setImportName($row['import_name']);
        $this->setStatus((bool) $row['pos_status']);
        $this->setTreeId((int) $row['fpt_pk']);
        $this->setParentId((int) $row['parent_pos']);
        $this->setLft((int) $row['lft']);
        $this->setRgt((int) $row['rgt']);
        $this->setDepth((int) $row['depth']);
        $this->setIsRead(isset($row['post_read']) && (int) $row['post_read']);
        $this->setDisplayUserId((int) $row['pos_display_user_id']);
        $this->setPosAuthorId((int) $row['pos_author_id']);
        $this->setIsAuthorModerator((bool) $row['is_author_moderator']);
        $this->setRCID((string) ($row['rcid'] ?? self::NO_RCID));
    }
 
    public static function mergePosts(int $sourceThreadId, int $targetThreadId, array $excludedPostIds = []): void
    {
        global $DIC;
        $ilDB = $DIC->database();
 
        $conditions = ['pos_thr_fk = ' . $ilDB->quote($sourceThreadId, 'integer')];
        if ($excludedPostIds !== []) {
            $conditions[] = $ilDB->in('pos_pk', $excludedPostIds, true, 'integer');
        }
 
        $ilDB->manipulateF(
            'UPDATE frm_posts SET pos_thr_fk = %s WHERE ' . implode(' AND ', $conditions),
            ['integer',],
            [$targetThreadId,]
        );
    }
 
    public static function lookupNotificationStatusByPostId(int $post_id): bool
    {
        global $DIC;
 
        $res = $DIC->database()->queryF(
            'SELECT notify FROM frm_posts WHERE pos_pk = %s',
            ['integer'],
            [$post_id]
        );
 
        $row = $DIC->database()->fetchAssoc($res);
        return (bool) $row['notify'];
    }
 
    public static function lookupPostMessage(int $post_id): string
    {
        global $DIC;
        $ilDB = $DIC->database();
 
        $res = $ilDB->queryF(
            'SELECT pos_message FROM frm_posts WHERE pos_pk = %s',
            ['integer'],
            [$post_id]
        );
 
        if ($row = $ilDB->fetchObject($res)) {
            return $row->pos_message ?: '';
        }
 
        return '';
    }
}