<?php
function admin_news() {
	global $user;
	
	if (!isset ($_GET["action"])) {
		header("Location: " . page_link_to("news"));
	} else {
		$html = "";
		switch ($_GET["action"]) {
			case 'edit' :
				if (isset ($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id']))
					$id = $_REQUEST['id'];
				else
					return error("Incomplete call, missing News ID.");

				$news = sql_select("SELECT * FROM `News` WHERE `ID`=" . sql_escape($id) . " LIMIT 1");
				if (count($news) > 0) {
					list ($news) = $news;

					$html .= '<a href="' . page_link_to("news") . '">&laquo Back</a>';

					$html .= "<form action=\"" . page_link_to("admin_news") . "&action=save\" method=\"post\">\n";

					$html .= "<table>\n";
					$html .= "  <tr><td>Datum</td><td>" .
					date("Y-m-d H:i", $news['Datum']) . "</td></tr>\n";
					$html .= "  <tr><td>Betreff</td><td><input type=\"text\" size=\"40\" name=\"eBetreff\" value=\"" .
					$news["Betreff"] . "\"></td></tr>\n";
					$html .= "  <tr><td>Text</td><td><textarea rows=\"10\" cols=\"80\" name=\"eText\">" .
					$news["Text"] . "</textarea></td></tr>\n";
					$html .= "  <tr><td>Engel</td><td>" .
					UID2Nick($news["UID"]) . "</td></tr>\n";
					$html .= "  <tr><td>Treffen</td><td>" . html_select_key('eTreffen', array (
						'1' => "Ja",
						'0' => "Nein"
					), $news['Treffen']) . "</td></tr>\n";
					$html .= "</table>";

					$html .= "<input type=\"hidden\" name=\"id\" value=\"" . $id . "\">\n";
					$html .= "<input type=\"submit\" name=\"submit\" value=\"Speichern\">\n";
					$html .= "</form>";

					$html .= "<form action=\"" . page_link_to("admin_news") . "&action=delete\" method=\"POST\">\n";
					$html .= "<input type=\"hidden\" name=\"id\" value=\"" . $id . "\">\n";
					$html .= "<input type=\"submit\" name=\"submit\" value=\"Löschen\">\n";
					$html .= "</form>";
				} else
					return error("No News found.");
				break;

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

				$news = sql_select("SELECT * FROM `News` WHERE `ID`=" . sql_escape($id) . " LIMIT 1");
				if (count($news) > 0) {
					list ($news) = $news;

					sql_query("UPDATE `News` SET `Datum`='" . sql_escape(time()) . "', `Betreff`='" . sql_escape($_POST["eBetreff"]) . "', `Text`='" . sql_escape($_POST["eText"]) . "', `UID`='" . sql_escape($user['UID']) .
					"', `Treffen`='" . sql_escape($_POST["eTreffen"]) . "' WHERE `ID`=".sql_escape($id)." LIMIT 1");
					header("Location: " . page_link_to("news"));
				} else
					return error("No News found.");
				break;

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

				$news = sql_select("SELECT * FROM `News` WHERE `ID`=" . sql_escape($id) . " LIMIT 1");
				if (count($news) > 0) {
					list ($news) = $news;

					sql_query("DELETE FROM `news` WHERE `ID`=" . sql_escape($id) . " LIMIT 1");
					header("Location: " . page_link_to("news"));
				} else
					return error("No News found.");
				break;
		}
	}
	return $html;
}
?>