/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.rest.api.process;

import java.util.ArrayList;
import java.util.List;

import org.activiti.engine.form.StartFormData;
import org.activiti.engine.impl.RepositoryServiceImpl;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.rest.api.AbstractPaginateList;
import org.activiti.rest.api.ActivitiUtil;

/**
 * @author Tijs Rademakers
 */
public class ProcessDefinitionsPaginateList extends AbstractPaginateList {

  @SuppressWarnings("rawtypes")
  @Override
  protected List processList(List list) {
    List<ProcessDefinitionResponse> responseProcessDefinitions = new ArrayList<ProcessDefinitionResponse>();
    for (Object definition : list) {
      ProcessDefinitionResponse processDefinition = new ProcessDefinitionResponse((ProcessDefinitionEntity) definition);
      StartFormData startFormData = ActivitiUtil.getFormService().getStartFormData(((ProcessDefinitionEntity) definition).getId());
      if (startFormData != null) {
        processDefinition.setStartFormResourceKey(startFormData.getFormKey());
      }
      
      processDefinition.setGraphicNotationDefined(isGraphicNotationDefined(((ProcessDefinitionEntity) definition).getId()));
      responseProcessDefinitions.add(processDefinition);
    }
    return responseProcessDefinitions;
  }
  
  private boolean isGraphicNotationDefined(String id) {
    try {
      return ((ProcessDefinitionEntity) ((RepositoryServiceImpl) ActivitiUtil.getRepositoryService())
          .getDeployedProcessDefinition(id)).isGraphicalNotationDefined();
    } catch (Exception e) {
      //Process not deployed?
    }
    return false;
  }
}