/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.ui.struts.action.casehandling;
import java.util.Collection;
import java.util.Set;
import java.util.TreeSet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.fenixedu.academic.domain.caseHandling.Activity;
import org.fenixedu.academic.domain.caseHandling.PreConditionNotValidException;
import org.fenixedu.academic.domain.caseHandling.Process;
import org.fenixedu.academic.service.services.caseHandling.CreateNewProcess;
import org.fenixedu.academic.service.services.caseHandling.ExecuteProcessActivity;
import org.fenixedu.academic.service.services.exceptions.FenixServiceException;
import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction;
import org.fenixedu.bennu.core.domain.User;
import org.fenixedu.bennu.core.security.Authenticate;
public abstract class CaseHandlingDispatchAction extends FenixDispatchAction {
abstract protected Class getProcessType();
@Override
public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
HttpServletResponse response) throws Exception {
setProcessName(request);
setProcess(request);
return super.execute(mapping, actionForm, request, response);
}
protected void setProcessName(final HttpServletRequest request) {
request.setAttribute("processName", getProcessType().getSimpleName());
}
protected Process readProcess(final HttpServletRequest request) {
return getDomainObject(request, "processId");
}
protected void setProcess(final HttpServletRequest request) {
final Process process = readProcess(request);
if (process != null) {
request.setAttribute("process", process);
}
}
protected Collection<Process> getAllowedProcessInstances(final User userView) {
final Set<Process> result = new TreeSet<Process>();
for (final Process process : rootDomainObject.getProcessesSet()) {
if (process.getClass().equals(getProcessType()) && process.canExecuteActivity(userView)) {
result.add(process);
}
}
return result;
}
protected Process getProcess(final HttpServletRequest request) {
return (Process) request.getAttribute("process");
}
protected boolean hasProcess(final HttpServletRequest request) {
return getProcess(request) != null;
}
public ActionForward listProcesses(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
request.setAttribute("canCreateProcess", canCreateProcess(getProcessType().getName()));
request.setAttribute("processes", getAllowedProcessInstances(Authenticate.getUser()));
return mapping.findForward("list-processes");
}
protected Object canCreateProcess(final String name) {
try {
final Activity<?> startActivity = Process.getStartActivity(name);
startActivity.checkPreConditions(null, Authenticate.getUser());
} catch (PreConditionNotValidException e) {
return false;
}
return true;
}
public ActionForward listProcessAllowedActivities(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
final Process process = getProcess(request);
request.setAttribute("activities", process.getAllowedActivities(Authenticate.getUser()));
return mapping.findForward("list-allowed-activities");
}
abstract public ActionForward prepareCreateNewProcess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response);
public ActionForward createNewProcess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws FenixServiceException {
Process process = CreateNewProcess.run(getProcessType().getName(), getRenderedObject());
request.setAttribute("process", process);
return listProcessAllowedActivities(mapping, form, request, response);
}
protected void executeActivity(Process process, String activityId) throws FenixServiceException {
executeActivity(process, activityId, null);
}
protected Process executeActivity(Process process, String activityId, Object object) throws FenixServiceException {
return ExecuteProcessActivity.run(process, activityId, object);
}
}