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/**
* Activiti app component part of the Activiti project
* Copyright 2005-2015 Alfresco Software, Ltd. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.activiti.service.editor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.activiti.domain.editor.AbstractModel;
import com.activiti.domain.editor.AppDefinition;
import com.activiti.domain.editor.AppModelDefinition;
import com.activiti.domain.editor.Model;
import com.activiti.domain.editor.ModelHistory;
import com.activiti.domain.editor.ModelShareInfo;
import com.activiti.domain.idm.User;
import com.activiti.repository.editor.ModelHistoryRepository;
import com.activiti.repository.editor.ModelRepository;
import com.activiti.security.SecurityUtils;
import com.activiti.service.api.AppDefinitionService;
import com.activiti.service.api.AppDefinitionServiceRepresentation;
import com.activiti.service.exception.InternalServerErrorException;
import com.activiti.util.UserUtil;
import com.fasterxml.jackson.databind.ObjectMapper;
@Service
@Transactional
public class AppDefinitionServiceImpl implements AppDefinitionService {
private final Logger logger = LoggerFactory.getLogger(AppDefinitionServiceImpl.class);
@Autowired
protected ModelRepository modelRepository;
@Autowired
protected ModelHistoryRepository modelHistoryRepository;
@Autowired
protected ObjectMapper objectMapper;
@Override
public List getAppDefinitions() {
Map modelMap = new HashMap();
List resultList = new ArrayList();
User user = SecurityUtils.getCurrentUserObject();
List createdByModels = modelRepository.findModelsCreatedBy(user.getId(), AbstractModel.MODEL_TYPE_APP, new Sort(Direction.ASC, "name"));
for (Model model : createdByModels) {
modelMap.put(model.getId(), model);
}
List sharedWith = modelRepository.findModelsSharedWithUser(user.getId(), Model.MODEL_TYPE_APP, new Sort(Direction.ASC, "name"));
for (ModelShareInfo info : sharedWith) {
modelMap.put(info.getModel().getId(), info.getModel());
}
for (AbstractModel model : modelMap.values()) {
resultList.add(createAppDefinition(model));
}
return resultList;
}
/**
* Gathers all 'deployable' app definitions for the current user.
*
* To find these:
* - All historical app models are fetched. Only the highest version of each app model is retained.
* - All historical app models shared with the groups the current user is part of are fetched.
* Only the highest version of each app model is retained.
*/
@Override
public List getDeployableAppDefinitions(User user) {
Map modelMap = new HashMap();
List resultList = new ArrayList();
List createdByModels = modelHistoryRepository.findByCreatedByAndModelTypeAndRemovalDateIsNull(user, AbstractModel.MODEL_TYPE_APP);
for (ModelHistory modelHistory : createdByModels) {
if (modelMap.containsKey(modelHistory.getModelId())) {
if (modelHistory.getVersion() > modelMap.get(modelHistory.getModelId()).getVersion()) {
modelMap.put(modelHistory.getModelId(), modelHistory);
}
} else {
modelMap.put(modelHistory.getModelId(), modelHistory);
}
}
List groupIds = UserUtil.getGroupIds(user);
List historyList = null;
if (groupIds != null && groupIds.size() > 0) {
historyList = modelHistoryRepository.findModelsSharedWithUserOrGroups(user.getId(), groupIds, Model.MODEL_TYPE_APP, new Sort(Direction.ASC, "name"));
} else {
historyList = modelHistoryRepository.findModelsSharedWithUser(user.getId(), Model.MODEL_TYPE_APP, new Sort(Direction.ASC, "name"));
}
for (ModelHistory modelHistory : historyList) {
if (modelMap.containsKey(modelHistory.getModelId())) {
if (modelHistory.getVersion() > modelMap.get(modelHistory.getModelId()).getVersion()) {
modelMap.put(modelHistory.getModelId(), modelHistory);
}
} else {
modelMap.put(modelHistory.getModelId(), modelHistory);
}
}
for (ModelHistory model : modelMap.values()) {
Model latestModel = modelRepository.findOne(model.getModelId());
if (latestModel != null) {
resultList.add(createAppDefinition(model));
}
}
return resultList;
}
protected AppDefinitionServiceRepresentation createAppDefinition(AbstractModel model) {
AppDefinitionServiceRepresentation resultInfo = new AppDefinitionServiceRepresentation();
if (model instanceof ModelHistory) {
resultInfo.setId(((ModelHistory) model).getModelId());
} else {
resultInfo.setId(model.getId());
}
resultInfo.setName(model.getName());
resultInfo.setDescription(model.getDescription());
resultInfo.setVersion(model.getVersion());
resultInfo.setDefinition(model.getModelEditorJson());
AppDefinition appDefinition = null;
try {
appDefinition = objectMapper.readValue(model.getModelEditorJson(), AppDefinition.class);
} catch (Exception e) {
logger.error("Error deserializing app " + model.getId(), e);
throw new InternalServerErrorException("Could not deserialize app definition");
}
if (appDefinition != null) {
resultInfo.setTheme(appDefinition.getTheme());
resultInfo.setIcon(appDefinition.getIcon());
List models = appDefinition.getModels();
if (CollectionUtils.isNotEmpty(models)) {
List modelIds = new ArrayList();
for (AppModelDefinition appModelDef : models) {
modelIds.add(appModelDef.getId());
}
resultInfo.setModels(modelIds);
}
}
return resultInfo;
}
}
