Name = 'ShoutBox';
$this->Version = '1.0';
$this->Creator = 'Chronos';
$this->License = 'GNU/GPL';
$this->Description = 'Simple user chat system.';
$this->Dependencies = array('News');
}
function DoStart(): void
{
$this->System->RegisterPage(['shoutbox'], 'PageShoutBox');
$this->System->ModuleManager->Modules['News']->RegisterRSS(array(
'Title' => T('Shoutbox'), 'Channel' => 'shoutbox', 'Callback' => array('PageShoutBox', 'ShowRSS'),
'Permission' => LICENCE_ANONYMOUS));
if (array_key_exists('Search', $this->System->ModuleManager->Modules))
$this->System->ModuleManager->Modules['Search']->RegisterSearch('shoutbox',
T('Shoutbox'), array('UserName', 'Text'), '`ShoutBox`', $this->System->Link('/shoutbox/?search='));
}
function ShowBox()
{
$User = ModuleUser::Cast($this->System->GetModule('User'))->User;
$Output = ''.T('Shoutbox').':';
if ($User->Licence(LICENCE_USER))
$Output .= ' '.T('Add').'';
$Output .= '';
return $Output;
}
}
class PageShoutBox extends Page
{
function Show(): string
{
$this->Title = T('Shoutbox');
if (array_key_exists('a', $_POST)) $Action = $_POST['a'];
else if (array_key_exists('a', $_GET)) $Action = $_GET['a'];
else $Action = '';
if ($Action == 'add2') $Output = $this->AddFinish();
if ($Action == 'add') $Output = $this->ShowAddForm();
else $Output = $this->ShowList();
return $Output;
}
function ShowList()
{
$User = ModuleUser::Cast($this->System->GetModule('User'))->User;
$Output = '';
if (array_key_exists('search', $_GET)) $_SESSION['search'] = $_GET['search'];
else if (!array_key_exists('search', $_SESSION)) $_SESSION['search'] = '';
if (array_key_exists('search', $_GET) and ($_GET['search'] == '')) $_SESSION['search'] = '';
if ($_SESSION['search'] != '')
{
$SearchQuery = ' AND (`Text` LIKE "%'.$_SESSION['search'].'%")';
$Output .= '';
} else $SearchQuery = '';
$DbResult = $this->System->Database->query('SELECT COUNT(*) FROM `ShoutBox` WHERE 1'.$SearchQuery);
$DbRow = $DbResult->fetch_row();
$PageList = GetPageList($DbRow[0]);
$Output .= ''.T('Shoutbox').'
';
if ($User->Licence(LICENCE_USER))
$Output .= ' '.T('Add').'';
$Output .= $PageList['Output'];
$Output .= ''.$PageList['Output'];
return $Output;
}
function ShowAddForm()
{
$User = ModuleUser::Cast($this->System->GetModule('User'))->User;
$Output = '';
if ($User->Licence(LICENCE_USER))
{
$Output .= '';
} else $Output .= ShowMessage('Pro vkládaní zpráv musíte byt registrováni.', MESSAGE_CRITICAL);
$Output .= $this->ShowList();
return $Output;
}
function AddFinish()
{
$User = ModuleUser::Cast($this->System->GetModule('User'))->User;
$Output = '';
if ($User->Licence(LICENCE_USER))
{
if (array_key_exists('text', $_POST))
{
$Text = $_POST['text'];
if (trim($Text) == '') $Output .= ShowMessage('Nelze vložit prázdnou zprávu.', MESSAGE_WARNING);
else
{
// Protection against mutiple post of same message
$DbResult = $this->System->Database->query('SELECT `Text` FROM `ShoutBox` WHERE (`User` = "'.
$User->Id.'") ORDER BY `Date` DESC LIMIT 1');
if ($DbResult->num_rows > 0)
{
$DbRow = $DbResult->fetch_assoc();
} else $DbRow['Text'] = '';
if ($DbRow['Text'] == $Text) $Output .= ShowMessage('Nelze vložit stejnou zprávu vícekrát za sebou.', MESSAGE_WARNING);
else
{
$this->System->Database->query('INSERT INTO `ShoutBox` ( `User`, `UserName` , `Text` , `Date` , `IP` ) '.
' VALUES ('.$User->Id.', "'.$User->Name.
'", "'.$Text.'", NOW(), "'.GetRemoteAddress().'")');
$Output .= ShowMessage('Zpráva vložena.');
}
}
} else $Output .= ShowMessage('Nezadán text pro novou zprávu.', MESSAGE_CRITICAL);
$Output .= '
';
} else $Output .= ShowMessage('Pro vkládaní zpráv musíte byt registrováni.', MESSAGE_CRITICAL);
$Output .= $this->ShowList();
return $Output;
}
function ShowRSS()
{
$User = ModuleUser::Cast($this->System->GetModule('User'))->User;
$Items = array();
$TitleLength = 50;
mb_internal_encoding('utf-8');
$DbResult = $this->Database->query('SELECT UNIX_TIMESTAMP(`Date`) AS `UnixDate`, `User`, `UserName`, `Text` FROM `ShoutBox` ORDER BY `ID` DESC LIMIT 20');
while ($DbRow = $DbResult->fetch_assoc())
{
$Title = mb_substr($DbRow['Text'], 0, $TitleLength);
if (mb_strlen($Title) == $TitleLength) $Title .= '...';
$Items[] = array
(
'Title' => $DbRow['UserName'].': '.$Title,
'Link' => 'https://'.Core::Cast($this->System)->Config['Web']['Host'].$this->System->Link('/shoutbox/'),
'Description' => $DbRow['Text'],
'Time' => $DbRow['UnixDate'],
);
}
$Output = GenerateRSS(array
(
'Title' => Core::Cast($this->System)->Config['Web']['Title'].' - '.T('Shoutbox'),
'Link' => 'https://'.Core::Cast($this->System)->Config['Web']['Host'].$this->System->Link('/shoutbox/'),
'Description' => Core::Cast($this->System)->Config['Web']['Description'],
'WebmasterEmail' => Core::Cast($this->System)->Config['Web']['AdminEmail'],
'Items' => $Items,
));
return $Output;
}
}