class.ilCalendarSharedStatus.php

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<?php
 
declare(strict_types=1);
class ilCalendarSharedStatus
{
    public const STATUS_ACCEPTED = 1;
    public const STATUS_DECLINED = 2;
    public const STATUS_DELETED = 3;
 
    protected ?ilDBInterface $db;
 
    private int $usr_id = 0;
 
    private array $calendars = array();
    private array $writable = array();
 
    public function __construct(int $a_usr_id)
    {
        global $DIC;
        $this->usr_id = $a_usr_id;
        $this->db = $DIC->database();
        $this->read();
    }
 
    public function isAccepted(int $a_cal_id): bool
    {
        return
            isset($this->calendars[$a_cal_id]) &&
            $this->calendars[$a_cal_id] == self::STATUS_ACCEPTED;
    }
 
    public function isDeclined(int $a_cal_id): bool
    {
        return
            isset($this->calendars[$a_cal_id]) &&
            $this->calendars[$a_cal_id] == self::STATUS_DECLINED;
    }
 
    public static function getAcceptedCalendars(int $a_usr_id): array
    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        $query = "SELECT cal_id FROM cal_shared_status " .
            "WHERE status = " . $ilDB->quote(self::STATUS_ACCEPTED, 'integer') . " " .
            "AND usr_id = " . $ilDB->quote($a_usr_id, 'integer') . " ";
        $res = $ilDB->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $cal_ids[] = $row->cal_id;
        }
        return $cal_ids ?? [];
    }
 
    public static function hasStatus(int $a_usr_id, int $a_calendar_id): bool
    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        $query = "SELECT * FROM cal_shared_status " .
            "WHERE usr_id = " . $ilDB->quote($a_usr_id, 'integer') . " " .
            "AND cal_id = " . $ilDB->quote($a_calendar_id, 'integer') . " ";
        $res = $ilDB->query($query);
        return (bool) $res->numRows();
    }
 
    public static function deleteUser(int $a_usr_id): void
    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        $query = "DELETE FROM cal_shared_status " .
            "WHERE usr_id = " . $ilDB->quote($a_usr_id, 'integer') . " ";
        $res = $ilDB->manipulate($query);
    }
 
    public static function deleteCalendar(int $a_calendar_id): void
    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        $query = "DELETE FROM cal_shared_status " .
            "WHERE cal_id = " . $ilDB->quote($a_calendar_id, 'integer') . " ";
        $res = $ilDB->manipulate($query);
    }
 
    public static function deleteStatus(int $a_id, int $a_calendar_id): void
    {
        global $DIC;
 
        $ilDB = $DIC['ilDB'];
        $rbacreview = $DIC['rbacreview'];
 
        if (ilObject::_lookupType($a_id) == 'usr') {
            $query = "DELETE FROM cal_shared_status " .
                "WHERE cal_id = " . $ilDB->quote($a_calendar_id, 'integer') . " " .
                "AND usr_id = " . $ilDB->quote($a_id, 'integer') . " ";
            $res = $ilDB->manipulate($query);
        } elseif (ilObject::_lookupType($a_id) == 'role') {
            $assigned_users = $rbacreview->assignedUsers($a_id);
 
            if (!count($assigned_users)) {
                return;
            }
 
            $query = "DELETE FROM cal_shared_status " .
                "WHERE cal_id = " . $ilDB->quote($a_calendar_id, 'integer') . " " .
                "AND " . $ilDB->in('usr_id', $assigned_users, false, 'integer');
            $res = $ilDB->manipulate($query);
        }
    }
 
    public function accept(int $a_calendar_id): void
    {
        self::deleteStatus($this->usr_id, $a_calendar_id);
        $query = "INSERT INTO cal_shared_status (cal_id,usr_id,status) " .
            "VALUES ( " .
            $this->db->quote($a_calendar_id, 'integer') . ", " .
            $this->db->quote($this->usr_id, 'integer') . ", " .
            $this->db->quote(self::STATUS_ACCEPTED, 'integer') . " " .
            ")";
        $res = $this->db->manipulate($query);
 
        $this->calendars[$a_calendar_id] = self::STATUS_ACCEPTED;
    }
 
    public function decline(int $a_calendar_id): void
    {
        self::deleteStatus($this->usr_id, $a_calendar_id);
        $query = "INSERT INTO cal_shared_status (cal_id,usr_id,status) " .
            "VALUES ( " .
            $this->db->quote($a_calendar_id, 'integer') . ", " .
            $this->db->quote($this->usr_id, 'integer') . ", " .
            $this->db->quote(self::STATUS_DECLINED, 'integer') . " " .
            ")";
        $res = $this->db->manipulate($query);
        $this->calendars[$a_calendar_id] = self::STATUS_DECLINED;
    }
 
    protected function read()
    {
        $query = "SELECT * FROM cal_shared_status " .
            "WHERE usr_id = " . $this->db->quote($this->usr_id, 'integer') . " ";
        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->calendars[(int) $row->cal_id] = (int) $row->status;
        }
    }
 
    public function getOpenInvitations(): array
    {
        $shared = ilCalendarShared::getSharedCalendarsForUser($this->usr_id);
 
        $invitations = array();
        foreach ($shared as $data) {
            if ($this->isDeclined($data['cal_id']) || $this->isAccepted($data['cal_id'])) {
                continue;
            }
 
            $tmp_calendar = new ilCalendarCategory($data['cal_id']);
 
            $invitations[] = array(
                'cal_id' => (int) $data['cal_id'],
                'create_date' => $data['create_date'],
                'obj_type' => $data['obj_type'],
                'name' => $tmp_calendar->getTitle(),
                'owner' => $tmp_calendar->getObjId(),
                'apps' => count(ilCalendarCategoryAssignments::_getAssignedAppointments(array((int) $data['cal_id']))),
                'accepted' => $this->isAccepted((int) $data['cal_id']),
                'declined' => $this->isDeclined((int) $data['cal_id'])
            );
        }
        return $invitations;
    }
}