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path: root/includes/pages/user_messages.php
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<?php
function user_unread_messages() {
	global $user, $privileges;

	if (in_array("user_messages", $privileges)) {
		$new_messages = sql_num_query("SELECT * FROM `Messages` WHERE isRead='N' AND `RUID`=" . sql_escape($user['UID']));

		if ($new_messages > 0)
			return sprintf('<p class="info"><a href="%s">%s %s %s</a></p><hr />', page_link_to("user_messages"), Get_Text("pub_messages_new1"), $new_messages, Get_Text("pub_messages_new2"));
	}

	return "";
}

function user_messages() {
	global $user;

	if (!isset ($_REQUEST['action'])) {
		$users = sql_select("SELECT * FROM `User` WHERE NOT `UID`=" . sql_escape($user['UID']) . " ORDER BY `Nick`");

		$to_select_data = array (
			"" => "Select recipient..."
		);

		foreach ($users as $u)
			$to_select_data[$u['UID']] = $u['Nick'];

		$to_select = html_select_key('to', 'to', $to_select_data, '');

		$messages_html = "";
		$messages = sql_select("SELECT * FROM `Messages` WHERE `SUID`=" . sql_escape($user['UID']) . " OR `RUID`=" . sql_escape($user['UID']) . " ORDER BY `isRead`,`Datum` DESC");
		foreach ($messages as $message) {

			$messages_html .= sprintf('<tr %s> <td>%s</td> <td>%s</td> <td>%s</td> <td>%s</td>' .
			'<td>%s</td>', ($message['isRead'] == 'N' ? ' class="new_message"' : ''), ($message['isRead'] == 'N' ? '•' : ''), date("Y-m-d H:i", $message['Datum']), UID2Nick($message['SUID']), UID2Nick($message['RUID']), str_replace("\n", '<br />', $message['Text']));

			$messages_html .= '<td>';
			if ($message['RUID'] == $user['UID']) {
				if ($message['isRead'] == 'N')
					$messages_html .= '<a href="' . page_link_to("user_messages") . '&action=read&id=' . $message['id'] . '">' . Get_Text("pub_messages_MarkRead") . '</a>';
			} else {
				$messages_html .= '<a href="' . page_link_to("user_messages") . '&action=delete&id=' . $message['id'] . '">' . Get_Text("pub_messages_DelMsg") . '</a>';
			}
			$messages_html .= '</td></tr>';
		}

		return template_render('../templates/user_messages.html', array (
			'link' => page_link_to("user_messages"),
			'greeting' => Get_Text("Hello") . $user['Nick'] . ", <br />\n" . Get_Text("pub_messages_text1") . "<br /><br />\n",
			'messages' => $messages_html,
			'new_label' => Get_Text("pub_messages_Neu"),
			'date_label' => Get_Text("pub_messages_Datum"),
			'from_label' => Get_Text("pub_messages_Von"),
			'to_label' => Get_Text("pub_messages_An"),
			'text_label' => Get_Text("pub_messages_Text"),
			'date' => date("Y-m-d H:i"),
			'from' => $user['Nick'],
			'to_select' => $to_select,
			'submit_label' => Get_Text("save")
		));
	} else {
		switch ($_REQUEST['action']) {
			case "read" :
				if (isset ($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id']))
					$id = $_REQUEST['id'];
				else
					return error("Incomplete call, missing Message ID.", true);

				$message = sql_select("SELECT * FROM `Messages` WHERE `id`=" . sql_escape($id) . " LIMIT 1");
				if (count($message) > 0 && $message[0]['RUID'] == $user['UID']) {
					sql_query("UPDATE `Messages` SET `isRead`='Y' WHERE `id`=" . sql_escape($id) . " LIMIT 1");
					header("Location: " . page_link_to("user_messages"));
				} else
					return error("No Message found.", true);
				break;

			case "delete" :
				if (isset ($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id']))
					$id = $_REQUEST['id'];
				else
					return error("Incomplete call, missing Message ID.", true);

				$message = sql_select("SELECT * FROM `Messages` WHERE `id`=" . sql_escape($id) . " LIMIT 1");
				if (count($message) > 0 && $message[0]['SUID'] == $user['UID']) {
					sql_query("DELETE FROM `Messages` WHERE `id`=" . sql_escape($id) . " LIMIT 1");
					header("Location: " . page_link_to("user_messages"));
				} else
					return error("No Message found.", true);
				break;

			case "send" :
				$text = preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui", '', strip_tags($_REQUEST['text']));
				$to = preg_replace("/([^0-9]{1,})/ui", '', strip_tags($_REQUEST['to']));
				if ($text != "" && is_numeric($to) && sql_num_query("SELECT * FROM `User` WHERE `UID`=" . sql_escape($to) . " AND NOT `UID`=" . sql_escape($user['UID']) . " LIMIT 1") > 0) {
					sql_query("INSERT INTO `Messages` SET `Datum`=" . sql_escape(time()) . ", `SUID`=" . sql_escape($user['UID']) . ", `RUID`=" . sql_escape($to) . ", `Text`='" . sql_escape($text) . "'");
					header("Location: " . page_link_to("user_messages"));
				} else {
					return error(Get_Text("pub_messages_Send_Error"), true);
				}
				break;

			default :
				return error("Wrong action.", true);
		}
	}
}
?>