@Override
public WorkspaceItem abort(Context c, XmlWorkflowItem wi, EPerson e)
throws AuthorizeException, SQLException, IOException {
if (!authorizeService.isAdmin(c)) {
throw new AuthorizeException("You must be an admin to abort a workflow");
}
c.turnOffAuthorisationSystem();
// Restore permissions for the submitter
// convert into personal workspace
WorkspaceItem wsi = returnToWorkspace(c, wi);
log.info(
LogManager.getHeader(
c,
"abort_workflow",
"workflow_item_id="
+ wi.getID()
+ "item_id="
+ wsi.getItem().getID()
+ "collection_id="
+ wi.getCollection().getID()
+ "eperson_id="
+ e.getID()));
c.restoreAuthSystemState();
return wsi;
}
protected WorkflowActionConfig processNextStep(
Context c,
EPerson user,
Workflow workflow,
ActionResult currentOutcome,
XmlWorkflowItem wfi,
Step nextStep)
throws SQLException, IOException, AuthorizeException, WorkflowException,
WorkflowConfigurationException {
WorkflowActionConfig nextActionConfig;
if (nextStep != null) {
nextActionConfig = nextStep.getUserSelectionMethod();
nextActionConfig.getProcessingAction().activate(c, wfi);
// nextActionConfig.getProcessingAction().generateTasks();
if (nextActionConfig.requiresUI()) {
// Since a new step has been started, stop executing actions once one with a user interface
// is present.
c.restoreAuthSystemState();
return nextActionConfig;
} else {
ActionResult newOutcome =
nextActionConfig.getProcessingAction().execute(c, wfi, nextStep, null);
c.restoreAuthSystemState();
return processOutcome(c, user, workflow, nextStep, nextActionConfig, newOutcome, wfi, true);
}
} else {
if (currentOutcome.getResult() != ActionResult.OUTCOME_COMPLETE) {
c.restoreAuthSystemState();
throw new WorkflowException(
"No alternate step was found for outcome: " + currentOutcome.getResult());
}
archive(c, wfi);
c.restoreAuthSystemState();
return null;
}
}
@Override
public XmlWorkflowItem start(Context context, WorkspaceItem wsi)
throws SQLException, AuthorizeException, IOException, WorkflowException {
try {
Item myitem = wsi.getItem();
Collection collection = wsi.getCollection();
Workflow wf = xmlWorkflowFactory.getWorkflow(collection);
XmlWorkflowItem wfi = xmlWorkflowItemService.create(context, myitem, collection);
wfi.setMultipleFiles(wsi.hasMultipleFiles());
wfi.setMultipleTitles(wsi.hasMultipleTitles());
wfi.setPublishedBefore(wsi.isPublishedBefore());
xmlWorkflowItemService.update(context, wfi);
removeUserItemPolicies(context, myitem, myitem.getSubmitter());
grantSubmitterReadPolicies(context, myitem);
context.turnOffAuthorisationSystem();
Step firstStep = wf.getFirstStep();
if (firstStep.isValidStep(context, wfi)) {
activateFirstStep(context, wf, firstStep, wfi);
} else {
// Get our next step, if none is found, archive our item
firstStep = wf.getNextStep(context, wfi, firstStep, ActionResult.OUTCOME_COMPLETE);
if (firstStep == null) {
archive(context, wfi);
} else {
activateFirstStep(context, wf, firstStep, wfi);
}
}
// remove the WorkspaceItem
workspaceItemService.deleteWrapper(context, wsi);
context.restoreAuthSystemState();
return wfi;
} catch (WorkflowConfigurationException e) {
throw new WorkflowException(e);
}
}
@Override
public void alertUsersOnTaskActivation(
Context c, XmlWorkflowItem wfi, String emailTemplate, List<EPerson> epa, String... arguments)
throws IOException, SQLException, MessagingException {
if (noEMail.containsKey(wfi.getItem().getID())) {
// suppress email, and delete key
noEMail.remove(wfi.getItem().getID());
} else {
Email mail = Email.getEmail(I18nUtil.getEmailFilename(c.getCurrentLocale(), emailTemplate));
for (String argument : arguments) {
mail.addArgument(argument);
}
for (EPerson anEpa : epa) {
mail.addRecipient(anEpa.getEmail());
}
mail.send();
}
}
/**
* Return the workflow item to the workspace of the submitter. The workflow item is removed, and a
* workspace item created.
*
* @param c Context
* @param wfi WorkflowItem to be 'dismantled'
* @return the workspace item
* @throws java.io.IOException ...
* @throws java.sql.SQLException ...
* @throws org.dspace.authorize.AuthorizeException ...
*/
protected WorkspaceItem returnToWorkspace(Context c, XmlWorkflowItem wfi)
throws SQLException, IOException, AuthorizeException {
// authorize a DSpaceActions.REJECT
// stop workflow
deleteAllTasks(c, wfi);
c.turnOffAuthorisationSystem();
// Also clear all info for this step
workflowRequirementsService.clearInProgressUsers(c, wfi);
// Remove (if any) the workflowItemroles for this item
workflowItemRoleService.deleteForWorkflowItem(c, wfi);
Item myitem = wfi.getItem();
// Restore permissions for the submitter
grantUserAllItemPolicies(c, myitem, myitem.getSubmitter());
// FIXME: How should this interact with the workflow system?
// FIXME: Remove license
// FIXME: Provenance statement?
// Create the new workspace item row
WorkspaceItem workspaceItem = workspaceItemService.create(c, wfi);
workspaceItem.setMultipleFiles(wfi.hasMultipleFiles());
workspaceItem.setMultipleTitles(wfi.hasMultipleTitles());
workspaceItem.setPublishedBefore(wfi.isPublishedBefore());
workspaceItemService.update(c, workspaceItem);
// myitem.update();
log.info(
LogManager.getHeader(
c,
"return_to_workspace",
"workflow_item_id=" + wfi.getID() + "workspace_item_id=" + workspaceItem.getID()));
// Now remove the workflow object manually from the database
xmlWorkflowItemService.deleteWrapper(c, wfi);
return workspaceItem;
}
@Override
public WorkspaceItem sendWorkflowItemBackSubmission(
Context context, XmlWorkflowItem wi, EPerson e, String provenance, String rejection_message)
throws SQLException, AuthorizeException, IOException {
String workflowID = null;
String currentStepId = null;
String currentActionConfigId = null;
ClaimedTask claimedTask = claimedTaskService.findByWorkflowIdAndEPerson(context, wi, e);
if (claimedTask != null) {
// Log it
workflowID = claimedTask.getWorkflowID();
currentStepId = claimedTask.getStepID();
currentActionConfigId = claimedTask.getActionID();
}
context.turnOffAuthorisationSystem();
// rejection provenance
Item myitem = wi.getItem();
// Get current date
String now = DCDate.getCurrent().toString();
// Get user's name + email address
String usersName = getEPersonName(e);
// Here's what happened
String provDescription =
provenance
+ " Rejected by "
+ usersName
+ ", reason: "
+ rejection_message
+ " on "
+ now
+ " (GMT) ";
// Add to item as a DC field
itemService.addMetadata(
context,
myitem,
MetadataSchema.DC_SCHEMA,
"description",
"provenance",
"en",
provDescription);
// Clear any workflow schema related metadata
itemService.clearMetadata(
context, myitem, WorkflowRequirementsService.WORKFLOW_SCHEMA, Item.ANY, Item.ANY, Item.ANY);
itemService.update(context, myitem);
// convert into personal workspace
WorkspaceItem wsi = returnToWorkspace(context, wi);
// notify that it's been rejected
notifyOfReject(context, wi, e, rejection_message);
log.info(
LogManager.getHeader(
context,
"reject_workflow",
"workflow_item_id="
+ wi.getID()
+ "item_id="
+ wi.getItem().getID()
+ "collection_id="
+ wi.getCollection().getID()
+ "eperson_id="
+ e.getID()));
logWorkflowEvent(context, workflowID, currentStepId, currentActionConfigId, wi, e, null, null);
context.restoreAuthSystemState();
return wsi;
}
@Override
public WorkflowActionConfig processOutcome(
Context c,
EPerson user,
Workflow workflow,
Step currentStep,
WorkflowActionConfig currentActionConfig,
ActionResult currentOutcome,
XmlWorkflowItem wfi,
boolean enteredNewStep)
throws IOException, AuthorizeException, SQLException, WorkflowException {
if (currentOutcome.getType() == ActionResult.TYPE.TYPE_PAGE
|| currentOutcome.getType() == ActionResult.TYPE.TYPE_ERROR) {
// Our outcome is a page or an error, so return our current action
c.restoreAuthSystemState();
return currentActionConfig;
} else if (currentOutcome.getType() == ActionResult.TYPE.TYPE_CANCEL
|| currentOutcome.getType() == ActionResult.TYPE.TYPE_SUBMISSION_PAGE) {
// We either pressed the cancel button or got an order to return to the submission page, so
// don't return an action
// By not returning an action we ensure ourselfs that we go back to the submission page
c.restoreAuthSystemState();
return null;
} else if (currentOutcome.getType() == ActionResult.TYPE.TYPE_OUTCOME) {
Step nextStep = null;
WorkflowActionConfig nextActionConfig = null;
try {
// We have completed our action search & retrieve the next action
if (currentOutcome.getResult() == ActionResult.OUTCOME_COMPLETE) {
nextActionConfig = currentStep.getNextAction(currentActionConfig);
}
if (nextActionConfig != null) {
// We remain in the current step since an action is found
nextStep = currentStep;
nextActionConfig.getProcessingAction().activate(c, wfi);
if (nextActionConfig.requiresUI() && !enteredNewStep) {
createOwnedTask(c, wfi, currentStep, nextActionConfig, user);
return nextActionConfig;
} else if (nextActionConfig.requiresUI() && enteredNewStep) {
// We have entered a new step and have encountered a UI, return null since the current
// user doesn't have anything to do with this
c.restoreAuthSystemState();
return null;
} else {
ActionResult newOutcome =
nextActionConfig.getProcessingAction().execute(c, wfi, currentStep, null);
return processOutcome(
c, user, workflow, currentStep, nextActionConfig, newOutcome, wfi, enteredNewStep);
}
} else if (enteredNewStep) {
// If the user finished his/her step, we keep processing until there is a UI step action
// or no step at all
nextStep = workflow.getNextStep(c, wfi, currentStep, currentOutcome.getResult());
c.turnOffAuthorisationSystem();
nextActionConfig = processNextStep(c, user, workflow, currentOutcome, wfi, nextStep);
// If we require a user interface return null so that the user is redirected to the
// "submissions page"
if (nextActionConfig == null || nextActionConfig.requiresUI()) {
return null;
} else {
return nextActionConfig;
}
} else {
ClaimedTask task = claimedTaskService.findByWorkflowIdAndEPerson(c, wfi, user);
// Check if we have a task for this action (might not be the case with automatic steps)
// First add it to our list of finished users, since no more actions remain
workflowRequirementsService.addFinishedUser(c, wfi, user);
c.turnOffAuthorisationSystem();
// Check if our requirements have been met
if ((currentStep.isFinished(c, wfi)
&& currentOutcome.getResult() == ActionResult.OUTCOME_COMPLETE)
|| currentOutcome.getResult() != ActionResult.OUTCOME_COMPLETE) {
// Delete all the table rows containing the users who performed this task
workflowRequirementsService.clearInProgressUsers(c, wfi);
// Remove all the tasks
deleteAllTasks(c, wfi);
nextStep = workflow.getNextStep(c, wfi, currentStep, currentOutcome.getResult());
nextActionConfig = processNextStep(c, user, workflow, currentOutcome, wfi, nextStep);
// If we require a user interface return null so that the user is redirected to the
// "submissions page"
if (nextActionConfig == null || nextActionConfig.requiresUI()) {
return null;
} else {
return nextActionConfig;
}
} else {
// We are done with our actions so go to the submissions page but remove action
// ClaimedAction first
deleteClaimedTask(c, wfi, task);
c.restoreAuthSystemState();
nextStep = currentStep;
nextActionConfig = currentActionConfig;
return null;
}
}
} catch (Exception e) {
log.error("error while processing workflow outcome", e);
e.printStackTrace();
} finally {
if ((nextStep != null && currentStep != null && nextActionConfig != null)
|| (wfi.getItem().isArchived() && currentStep != null)) {
logWorkflowEvent(
c,
currentStep.getWorkflow().getID(),
currentStep.getId(),
currentActionConfig.getId(),
wfi,
user,
nextStep,
nextActionConfig);
}
}
}
log.error(LogManager.getHeader(c, "Invalid step outcome", "Workflow item id: " + wfi.getID()));
throw new WorkflowException("Invalid step outcome");
}