376 lines
12 KiB
PHP
376 lines
12 KiB
PHP
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<?php
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require_once ('dbutils.php');
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require_once ('commonutils.php');
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require_once ('queuecontent.php');
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class Tasks {
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private static $rights = array(
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"gettaskinfoforuser" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasks","tasksmanagement")),
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"createtask" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasks","tasksmanagement")),
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"changetask" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasks","tasksmanagement")),
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"gettasks" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasks","tasksmanagement")),
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"gethistory" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasks","tasksmanagement")),
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"delete" => array("loggedin" => 1, "isadmin" => 0, "rights" => array("tasksmanagement"))
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);
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private static $STATUS_NEW = 1;
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private static $STATUS_OPEN = 2;
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private static $STATUS_DONE = 3;
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private static $ACTION_CREATE = 0;
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private static $ACTION_CHANGE = 1;
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private static $ACTION_REMOVE = 2;
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private static $ACTION_MOD_OWNER = 'o';
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private static $ACTION_MOD_STATUS = 's';
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private static $ACTION_MOD_PRIO = 'p';
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private static $ACTION_MOD_SUMMARY = 't';
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private static $ACTION_MOD_DESCRIPTION = 'd';
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public static function handleCommand($command) {
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$pdo = DbUtils::openDbAndReturnPdoStatic();
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if (!Permissions::checkRights($command, self::$rights)) {
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return false;
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}
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$ret = array("status" => "ERROR", "msg" => "Falsches Kommando");
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if ($command == 'gettaskinfoforuser') {
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$ret = self::gettaskinfoforuser($pdo);
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} else if ($command == 'createtask') {
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$ret = self::createtask($pdo,$_POST['summary'],$_POST['description'],$_POST['prio'],$_POST['owner']);
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} else if ($command == 'changetask') {
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$ret = self::changetask($pdo,$_POST["id"],$_POST['summary'],$_POST['description'],$_POST['prio'],$_POST['owner'],$_POST["status"]);
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} else if ($command == 'gettasks') {
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$ret = self::gettasks($pdo,$_GET["filter"]);
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} else if ($command == 'gethistory') {
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$ret = self::gethistory($pdo,$_GET["id"]);
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} else if ($command == 'delete') {
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$ret = self::delete($pdo,$_POST["id"]);
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}
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echo json_encode($ret);
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}
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public static function areThereTasksForMe($pdo) {
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if (session_id() == '') {
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session_start();
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}
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if (!isset($_SESSION['angemeldet']) || !$_SESSION['angemeldet']) {
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return 0;
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}
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if (!$_SESSION['right_tasks'] && !$_SESSION['right_tasksmanagement']) {
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return 0;
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}
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// use intval to avoid SQL injection
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$curuser = intval($_SESSION['userid']);
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$sql = "SELECT count(id) as countid FROM %tasks% WHERE owner=? AND status != ?";
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$row = CommonUtils::getRowSqlObject($pdo, $sql, array($curuser,self::$STATUS_DONE));
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$count = $row->countid;
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if ($count > 0) {
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return 1;
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} else {
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return 0;
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}
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}
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private static function mayCurUserAssignToAll($pdo) {
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$userMayAssignToAll = 0;
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$isTasksManager = self::isCurrentUserTasksManagement();
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if (!$isTasksManager) {
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$taskallassign = CommonUtils::getConfigValue($pdo, "taskallassign", 0);
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if ($taskallassign == 1) {
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$userMayAssignToAll = 1;
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}
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} else {
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$userMayAssignToAll = 1;
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}
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return $userMayAssignToAll;
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}
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private static function gettaskinfoforuser($pdo) {
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$userMayAssignToAll = self::mayCurUserAssignToAll($pdo);
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if (!isset($_SESSION['angemeldet']) || !$_SESSION['angemeldet']) {
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$curuser = array("id" => "-1","username" => "");
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} else {
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$curuser = array("id" => $_SESSION['userid'],"username" => $_SESSION['currentuser']);
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}
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return array("status" => "OK","msg" => array("taskallassign" => $userMayAssignToAll,"curuser" => $curuser));
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}
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private static function gettasks($pdo,$filter) {
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if (session_id() == '') {
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session_start();
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}
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$usermaydelete = 0;
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if ($_SESSION['right_tasksmanagement']) {
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$usermaydelete = 1;
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}
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// use intval to avoid SQL injection
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$curuser = intval($_SESSION['userid']);
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try {
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$sql = "SELECT T.id as id,";
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$sql .= " submitter,IFNULL((SELECT username FROM %user% UU WHERE UU.id=submitter),'System') as submittername,";
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$sql .= " (SELECT (IF( (SELECT count(id) as countid FROM %user% UU WHERE UU.id=owner AND UU.active='1') = '0','0',owner))) as owner, ";
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$sql .= " IFNULL((SELECT username FROM %user% UU WHERE UU.id=owner AND UU.active='1'),'System') as ownername,";
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$sql .= " productid,IFNULL((SELECT longname FROM %products% P WHERE productid=P.id),'') as productname, ";
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$sql .= " submitdate,lastdate,status,prio,summary,description ";
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$sql .= "FROM %tasks% T ";
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switch ($filter) {
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case 0:
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$where = "";
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break;
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case 1:
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$where = " WHERE owner='$curuser' ";
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break;
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case 2:
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$where = " WHERE status != '" . self::$STATUS_DONE . "' ";
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break;
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case 3:
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$where = " WHERE owner='$curuser' AND status != '" . self::$STATUS_DONE . "' ";
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break;
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case 4:
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$where = " WHERE (owner is null OR (0=(SELECT count(id) as countid FROM %user% US WHERE US.id=owner AND US.active='1'))) AND status != '" . self::$STATUS_DONE . "' ";
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break;
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default:
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$where = "";
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break;
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}
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$sql .= " $where ";
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$sql .= " ORDER BY prio,lastdate";
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$result = CommonUtils::fetchSqlAll($pdo, $sql);
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return array("status" => "OK","msg" => $result,"usermaydelete" => $usermaydelete);
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} catch (Exception $ex) {
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return array("status" => "ERROR","msg" => $ex->getMessage());
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}
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}
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public static function createTaskForEmptyInventory($pdo,$prodid) {
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$taskifempty = CommonUtils::getConfigValue($pdo, "taskifempty", 0);
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if (($taskifempty == 0) || (is_null($taskifempty))) {
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return;
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}
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//`productid` INT( 10 ) NULL ,
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$sql = "SELECT count(id) as countid FROM %tasks% WHERE productid=? AND status != ?";
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$result = CommonUtils::fetchSqlAll($pdo, $sql, array($prodid,self::$STATUS_DONE));
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$opentasks = $result[0]["countid"];
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if ($opentasks == 0) {
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$sql = "SELECT longname FROM %products% WHERE id=?";
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$pres = CommonUtils::fetchSqlAll($pdo, $sql, array($prodid));
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if (count($pres) == 0) {
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return;
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}
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$prodname = $pres[0]["longname"];
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$owner = CommonUtils::getConfigValue($pdo, "taskownerempty", 0);
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$submitter = 0;
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$prio = 1;
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$summary = "Warenbestand '$prodname' geht zur Neige";
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$description = "Der Warenbestand des Produkts '$prodname' geht zur Neige. Dies ist eine automatisch erzeugte Aufgabe.";
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self::insertNewTask($pdo, $prio, $submitter, $owner, $summary, $description, $prodid,false);
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}
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}
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private static function insertNewTask($pdo,$prio,$submitter,$owner,$summary,$description,$prodid,$useTransaction) {
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date_default_timezone_set(DbUtils::getTimeZone());
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$submitdate = date('Y-m-d H:i:s');
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if ($submitter == 0) {
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$submitter = null;
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}
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if ($owner == 0) {
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$owner = null;
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}
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if (strlen($summary) > 100) {
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$summary = substr($summary, 0, 100);
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}
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if (strlen($description) > 500) {
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$description = substr($description,0,500);
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}
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if ($useTransaction) {
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$pdo->beginTransaction();
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}
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$sql = "INSERT INTO %tasks% (submitdate,lastdate,submitter,owner,prio,status,summary,description,productid) VALUES(?,?,?,?,?,?,?,?,?)";
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CommonUtils::execSql($pdo, $sql, array($submitdate,$submitdate,$submitter,$owner,$prio,self::$STATUS_NEW,$summary,$description,$prodid));
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$taskid = $pdo->lastInsertId();
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$sql = "INSERT INTO %taskhist% (date,taskid,userid,action,fields) VALUES(?,?,?,?,?)";
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CommonUtils::execSql($pdo, $sql, array($submitdate,$taskid,$submitter,self::$ACTION_CREATE,''));
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if ($useTransaction) {
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$pdo->commit();
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}
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}
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private static function isUserLoggedIn($pdo) {
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if (session_id() == '') {
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session_start();
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}
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if (!isset($_SESSION['angemeldet']) || !$_SESSION['angemeldet']) {
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return false;
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} else {
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return true;
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}
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}
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private static function mayUserChangeToThisOwner($pdo,$newOwner) {
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$taskInfo = self::gettaskinfoforuser($pdo);
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$curid = $taskInfo["msg"]["curuser"]["id"];
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if ($curid != $newOwner) {
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if ($taskInfo["msg"]["taskallassign"] != 1) {
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return false;
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}
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}
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return true;
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}
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private static function createtask($pdo,$summary,$description,$prio,$owner) {
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if (!self::isUserLoggedIn($pdo)) {
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return array("status" => "ERROR","msg" => "Benutzer ist nicht eingeloggt!");
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}
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if (!self::mayUserChangeToThisOwner($pdo, $owner)) {
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return array("status" => "ERROR","msg" => "Benutzer darf keinem anderem Benutzer eine Aufgabe zuweisen!");
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}
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self::insertNewTask($pdo, $prio, $_SESSION['userid'], $owner, $summary, $description, null,true);
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return array("status" => "OK");
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}
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private static function changetask($pdo,$id,$summary,$description,$prio,$owner,$status) {
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if (!self::isUserLoggedIn($pdo)) {
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return array("status" => "ERROR","msg" => "Benutzer ist nicht eingeloggt!");
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}
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if (!self::mayUserChangeToThisOwner($pdo, $owner)) {
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return array("status" => "ERROR","msg" => "Benutzer darf keinem anderem Benutzer eine Aufgabe zuweisen!");
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}
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if (strlen($summary) > 100) {
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$summary = substr($summary, 0, 100);
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}
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if (strlen($description) > 500) {
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$description = substr($description,0,500);
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}
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if ($owner == 0) {
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$owner = null;
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}
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$pdo->beginTransaction();
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try {
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$sql = "SELECT username FROM %user% WHERE id=?";
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$row = CommonUtils::getRowSqlObject($pdo, $sql, array($owner));
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$ownername = $row->username;
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if (is_null($ownername)) {
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$ownername = "System";
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}
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$changedFields = array();
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$checkFields = array(
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array("owner",$owner,self::$ACTION_MOD_OWNER),
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array("status",$status,self::$ACTION_MOD_STATUS),
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array("summary",$summary,self::$ACTION_MOD_SUMMARY),
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array("description",$description,self::$ACTION_MOD_DESCRIPTION),
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array("prio",$prio,self::$ACTION_MOD_PRIO)
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);
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foreach($checkFields as $aCheckField) {
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if (self::willFieldBeChanged($pdo, $id, $aCheckField[0], $aCheckField[1])) {
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if (($aCheckField[2] == 's') || ($aCheckField[2] == 'p')) {
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$log = $aCheckField[2] . ":" . $aCheckField[1];
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} else if ($aCheckField[2] == 'o') {
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$ownername = str_replace(",", "", $ownername);
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$log = $aCheckField[2] . ":" . $ownername;
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} else {
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$log = $aCheckField[2];
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}
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$changedFields[] = $log;
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}
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}
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date_default_timezone_set(DbUtils::getTimeZone());
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$date = date('Y-m-d H:i:s');
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$userid = $_SESSION['userid'];
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$sql = "INSERT INTO %taskhist% (date,taskid,userid,action,fields) VALUES(?,?,?,?,?)";
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CommonUtils::execSql($pdo, $sql, array($date,$id,$userid,self::$ACTION_CHANGE,join(',',$changedFields)));
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$sql = "UPDATE %tasks% SET lastdate=?,owner=?,status=?,summary=?,description=?,prio=? WHERE id=?";
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CommonUtils::execSql($pdo, $sql, array($date,$owner,$status,$summary,$description,$prio,$id));
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$pdo->commit();
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return array("status" => "OK","taskid" => $id,"lastchange" => $date);
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} catch (Exception $ex) {
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$pdo->rollBack();
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return array("status" => "ERROR","msg" => $ex->getMessage());
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}
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}
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private static function delete($pdo,$taskid) {
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$pdo->beginTransaction();
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try {
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$sql = "DELETE FROM %taskhist% WHERE taskid=?";
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CommonUtils::execSql($pdo, $sql, array($taskid));
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$sql = "DELETE FROM %tasks% WHERE id=?";
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CommonUtils::execSql($pdo, $sql, array($taskid));
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$pdo->commit();
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return array("status" => "OK","taskid" => $taskid);
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} catch (Exception $ex) {
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$pdo->rollBack();
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return array("status" => "ERROR","msg" => $ex->getMessage());
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}
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}
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private static function gethistory($pdo,$id) {
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$sql = "SELECT date,taskid,userid,IFNULL(username,'System') as username,action,fields FROM %taskhist% H ";
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$sql .= "LEFT JOIN %user% U ON H.userid=U.id ";
|
||
|
|
$sql .= "WHERE taskid=? ";
|
||
|
|
$sql .= "ORDER BY date DESC";
|
||
|
|
|
||
|
|
$result = CommonUtils::fetchSqlAll($pdo, $sql, array($id));
|
||
|
|
return array("status" => "OK","msg" => $result);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function willFieldBeChanged($pdo,$taskid,$field,$newcontent) {
|
||
|
|
$sql = "SELECT $field as val FROM %tasks% WHERE id=?";
|
||
|
|
$result = CommonUtils::fetchSqlAll($pdo, $sql, array($taskid));
|
||
|
|
if (count($result) == 0) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
$oldcontent = $result[0]["val"];
|
||
|
|
if ($oldcontent != $newcontent) {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function isCurrentUserTasksManagement() {
|
||
|
|
if (session_id() == '') {
|
||
|
|
session_start();
|
||
|
|
}
|
||
|
|
if (!isset($_SESSION['angemeldet']) || !$_SESSION['angemeldet']) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if ($_SESSION['right_tasksmanagement']) {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|