private function validate_steps($wf_info)
{
$error_messages = "";
$wf_info = json_decode($wf_info);
$step_count = 0;
// loop through all the steps
if ($wf_info->steps) {
foreach ($wf_info->steps as $step) {
if ($step->fc_dbid == "nodefine") {
// if fc_dbid is not defined, which means we have a missing step information
$error_messages .= __("Missing \"", "oasisworkflow");
$error_messages .= $step->fc_label;
$error_messages .= __("\" step information. Right click on the step to edit step information.", "oasisworkflow");
$error_messages .= "<br>";
// add new line for new messages to append on new line
}
// end if
$step_count++;
}
// end for
}
// end if
if ($step_count == 0) {
$error_messages .= __("No steps found.", "oasisworkflow");
$error_messages .= "<br>";
// add new line for new messages to append on new line
}
$workflow_service = new OW_Workflow_Service();
$steps = $workflow_service->get_first_and_last_steps($wf_info);
if ($steps != "nodefine" && count($steps["first"]) == 0 && count($steps["last"]) == 0) {
$error_messages .= __("The workflow doesn't have a valid exit path.\tItems in this workflow will never exit the workflow. Please provide a valid exit path.", "oasisworkflow");
$error_messages .= "<br>";
// add new line for new messages to append on new line
}
if (count($wf_info->first_step) > 1) {
$error_messages .= __('Multiple steps marked as first step. Workflow can have only one starting point.', "oasisworkflow");
$error_messages .= "<br>";
// add new line for new messages to append on new line
}
if (count($wf_info->first_step) == 0) {
$error_messages .= __('Starting step not found. Workflow should have a starting point.', "oasisworkflow");
$error_messages .= "<br>";
// add new line for new messages to append on new line
}
return $error_messages;
}
