@RequestMapping("/client/app/(*:appId)/(~:version)/process/(*:processDefId)/start")
public String clientProcessStart(
HttpServletRequest request,
ModelMap model,
@RequestParam("appId") String appId,
@RequestParam(required = false) String version,
@RequestParam(required = false) String recordId,
@RequestParam String processDefId) {
// clean process def
processDefId = WorkflowUtil.getProcessDefIdWithoutVersion(processDefId);
// set app and process details
AppDefinition appDef = appService.getAppDefinition(appId, version);
WorkflowProcess processDef =
appService.getWorkflowProcessForApp(appId, appDef.getVersion().toString(), processDefId);
String processDefIdWithVersion = processDef.getId();
model.addAttribute("appId", appId);
model.addAttribute("appVersion", appDef.getVersion());
model.addAttribute("appDefinition", appDef);
model.addAttribute("process", processDef);
// check for permission
if (!workflowManager.isUserInWhiteList(processDef.getId())) {
return "client/app/processUnauthorized";
}
// extract form values from request
FormData formData = new FormData();
formData.setPrimaryKeyValue(recordId);
formData = formService.retrieveFormDataFromRequest(formData, request);
// get workflow variables
Map<String, String> variableMap = AppUtil.retrieveVariableDataFromRequest(request);
String formUrl =
AppUtil.getRequestContextPath()
+ "/web/client/app/"
+ appId
+ "/"
+ appDef.getVersion()
+ "/process/"
+ processDefId
+ "/start";
if (recordId != null) {
formUrl += "?recordId=" + recordId;
}
PackageActivityForm startFormDef =
appService.viewStartProcessForm(
appId, appDef.getVersion().toString(), processDefId, formData, formUrl);
WorkflowProcessResult result =
appService.submitFormToStartProcess(
appId, version, processDefId, formData, variableMap, recordId, formUrl);
if (startFormDef != null
&& (startFormDef.getForm() != null
|| PackageActivityForm.ACTIVITY_FORM_TYPE_EXTERNAL.equals(startFormDef.getType()))) {
if (result == null) {
// validation error, get form
Form startForm = startFormDef.getForm();
// generate form HTML
String formHtml = formService.retrieveFormErrorHtml(startForm, formData);
String formJson = formService.generateElementJson(startForm);
// show form
model.addAttribute("form", startForm);
model.addAttribute("formJson", formJson);
model.addAttribute("formHtml", formHtml);
model.addAttribute("activityForm", startFormDef);
return "client/app/processFormStart";
}
} else {
// start process - TODO: handle process linking
result =
workflowManager.processStart(
processDefIdWithVersion, null, variableMap, null, recordId, false);
}
// set result
if (result != null) {
WorkflowProcess process = result.getProcess();
model.addAttribute("process", process);
// redirect to next activity if available
Collection<WorkflowActivity> activities = result.getActivities();
if (activities != null && !activities.isEmpty()) {
WorkflowActivity nextActivity = activities.iterator().next();
String assignmentUrl =
"/web/client/app/"
+ appId
+ "/"
+ appDef.getVersion()
+ "/assignment/"
+ nextActivity.getId()
+ "?"
+ request.getQueryString();
return "redirect:" + assignmentUrl;
}
}
return "client/app/processStarted";
}
