workflowutil.inc.php
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<?php
require_once(KT_LIB_DIR . '/workflow/workflow.inc.php');
require_once(KT_LIB_DIR . '/workflow/workflowstate.inc.php');
require_once(KT_LIB_DIR . '/workflow/workflowtransition.inc.php');
class KTWorkflowUtil {
function saveTransitionsFrom($oState, $aTransitionIds) {
$sTable = KTUtil::getTableName('workflow_state_transitions');
$aQuery = array(
"DELETE FROM $sTable WHERE state_id = ?",
array($oState->getId()),
);
$res = DBUtil::runQuery($aQuery);
if (PEAR::isError($res)) {
return $res;
}
$aOptions = array('noid' => true);
foreach ($aTransitionIds as $iTransitionId) {
$res = DBUtil::autoInsert($sTable, array(
'state_id' => $oState->getId(),
'transition_id' => $iTransitionId,
), $aOptions);
if (PEAR::isError($res)) {
return $res;
}
}
return;
}
function getTransitionsFrom($oState, $aOptions = null) {
$bIds = KTUtil::arrayGet($aOptions, 'ids');
$sTable = KTUtil::getTableName('workflow_state_transitions');
$aQuery = array(
"SELECT transition_id FROM $sTable WHERE state_id = ?",
array($oState->getId()),
);
$aTransitionIds = DBUtil::getResultArrayKey($aQuery, 'transition_id');
if (PEAR::isError($aTransitionIds)) {
return $aTransitionIds;
}
if ($bIds) {
return $aTransitionIds;
}
$aRet = array();
foreach ($aTransitionIds as $iId) {
$aRet[] =& KTWorkflowTransition::get($iId);
}
return $aRet;
}
function startWorkflowOnDocument ($oWorkflow, $oDocument) {
$iDocumentId = KTUtil::getId($oDocument);
$iWorkflowId = KTUtil::getId($oWorkflow);
$oWorkflow =& KTWorkflow::get($iWorkflowId);
$iStartStateId = $oWorkflow->getStartStateId();
if (empty($iStartStateId)) {
return PEAR::raiseError('Cannot assign workflow with no starting state set');
}
$aOptions = array('noid' => true);
$aValues = array(
'document_id' => $iDocumentId,
'workflow_id' => $iWorkflowId,
'state_id' => $iStartStateId,
);
$sTable = KTUtil::getTableName('workflow_documents');
return DBUtil::autoInsert($sTable, $aValues, $aOptions);
}
function getControlledActionsForWorkflow($oWorkflow) {
$iWorkflowId = KTUtil::getId($oWorkflow);
$sTable = KTUtil::getTableName('workflow_actions');
$aQuery = array(
"SELECT action_name FROM $sTable WHERE workflow_id = ?",
array($iWorkflowId),
);
return DBUtil::getResultArrayKey($aQuery, 'action_name');
}
function setControlledActionsForWorkflow($oWorkflow, $aActions) {
$iWorkflowId = KTUtil::getId($oWorkflow);
$sTable = KTUtil::getTableName('workflow_actions');
$aQuery = array(
"DELETE FROM $sTable WHERE workflow_id = ?",
array($iWorkflowId),
);
$res = DBUtil::runQuery($aQuery);
if (PEAR::isError($res)) {
return $res;
}
$aOptions = array('noid' => true);
foreach ($aActions as $sAction) {
$res = DBUtil::autoInsert($sTable, array(
'workflow_id' => $iWorkflowId,
'action_name' => $sAction,
), $aOptions);
if (PEAR::isError($res)) {
return $res;
}
}
return;
}
function setEnabledActionsForState($oState, $aActions) {
$iStateId = KTUtil::getId($oState);
$sTable = KTUtil::getTableName('workflow_state_actions');
$aQuery = array(
"DELETE FROM $sTable WHERE state_id = ?",
array($iStateId),
);
$res = DBUtil::runQuery($aQuery);
if (PEAR::isError($res)) {
return $res;
}
$aOptions = array('noid' => true);
foreach ($aActions as $sAction) {
$res = DBUtil::autoInsert($sTable, array(
'state_id' => $iStateId,
'action_name' => $sAction,
), $aOptions);
if (PEAR::isError($res)) {
return $res;
}
}
return;
}
function getEnabledActionsForState($oState) {
$iStateId = KTUtil::getId($oState);
$sTable = KTUtil::getTableName('workflow_state_actions');
$aQuery = array(
"SELECT action_name FROM $sTable WHERE state_id = ?",
array($iStateId),
);
return DBUtil::getResultArrayKey($aQuery, 'action_name');
}
function actionEnabledForDocument($oDocument, $sName) {
$oWorkflow =& KTWorkflow::getByDocument($oDocument);
if (is_null($oWorkflow)) {
return true;
}
if (!in_array($sName, KTWorkflowUtil::getControlledActionsForWorkflow($oWorkflow))) {
return true;
}
$oState =& KTWorkflowState::getByDocument($oDocument);
if (!in_array($sName, KTWorkflowUtil::getEnabledActionsForState($oState))) {
return false;
}
return true;
}
function getWorkflowForDocument ($oDocument, $aOptions = null) {
$ids = KTUtil::arrayGet($aOptions, 'ids', false);
$iDocumentId = KTUtil::getId($oDocument);
$sTable = KTUtil::getTableName('workflow_documents');
$aQuery = array(
"SELECT workflow_id FROM $sTable WHERE document_id = ?",
array($iDocumentId),
);
$iWorkflowId = DBUtil::getOneResultKey($aQuery, 'workflow_id');
if (is_null($iWorkflowId)) {
return $iWorkflowId;
}
if (PEAR::isError($iWorkflowId)) {
return $iWorkflowId;
}
if ($ids) {
return $iWorkflowId;
}
return KTWorkflow::get($iWorkflowId);
}
function getWorkflowStateForDocument ($oDocument, $aOptions = null) {
$ids = KTUtil::arrayGet($aOptions, 'ids', false);
$iDocumentId = KTUtil::getId($oDocument);
$sTable = KTUtil::getTableName('workflow_documents');
$aQuery = array(
"SELECT state_id FROM $sTable WHERE document_id = ?",
array($iDocumentId),
);
$iWorkflowStateId = DBUtil::getOneResultKey($aQuery, 'state_id');
if (is_null($iWorkflowStateId)) {
return $iWorkflowStateId;
}
if (PEAR::isError($iWorkflowStateId)) {
return $iWorkflowStateId;
}
if ($ids) {
return $iWorkflowStateId;
}
return KTWorkflowState::get($iWorkflowStateId);
}
function getTransitionsForDocumentUser($oDocument, $oUser) {
$oState = KTWorkflowUtil::getWorkflowStateForDocument($oDocument);
if (is_null($oState) || PEAR::isError($oState)) {
return $oState;
}
$aTransitions = KTWorkflowUtil::getTransitionsFrom($oState);
$aEnabledTransitions = array();
foreach ($aTransitions as $oTransition) {
$oPermission =& KTPermission::get($oTransition->getGuardPermissionId());
if (!KTPermissionUtil::userHasPermissionOnItem($oUser, $oPermission, $oDocument)) {
continue;
}
$aEnabledTransitions[] = $oTransition;
}
return $aEnabledTransitions;
}
function performTransitionOnDocument($oTransition, $oDocument, $oUser, $sComments) {
$oWorkflow =& KTWorkflow::getByDocument($oDocument);
if (empty($oWorkflow)) {
return PEAR::raiseError("Document has no workflow");
}
if (PEAR::isError($oWorkflow)) {
return $oWorkflow;
}
$sTable = KTUtil::getTableName('workflow_documents');
$iStateId = $oTransition->getTargetStateId();
$iDocumentId = $oDocument->getId();
$aQuery = array(
"UPDATE $sTable SET state_id = ? WHERE document_id = ?",
array($iStateId, $iDocumentId),
);
return DBUtil::runQuery($aQuery);
}
}