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package org.openecomp.sdc.be.components.impl.version;
import org.apache.commons.collections.MapUtils;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.impl.ComponentsUtils;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.GroupDefinition;
import org.openecomp.sdc.be.model.jsontitan.operations.GroupsOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Map;
import static org.apache.commons.collections.CollectionUtils.isEmpty;
@org.springframework.stereotype.Component
public class GroupMembersUpdateOperation implements PostChangeVersionOperation {
private static final Logger log = LoggerFactory.getLogger(GroupMembersUpdateOperation.class);
private final GroupsOperation groupsOperation;
private final ComponentsUtils componentsUtils;
public GroupMembersUpdateOperation(GroupsOperation groupsOperation, ComponentsUtils componentsUtils) {
this.groupsOperation = groupsOperation;
this.componentsUtils = componentsUtils;
}
@Override
public ActionStatus onChangeVersion(Component container, ComponentInstance prevVersion, ComponentInstance newVersion) {
return updateGroupMembersOnChangeVersion(container, prevVersion, newVersion);
}
private ActionStatus updateGroupMembersOnChangeVersion(Component container, ComponentInstance prevVersion, ComponentInstance newVersion) {
log.debug("#updateGroupMembersOnChangeVersion - replacing all group members for component instance {} with new component instance.", prevVersion.getUniqueId(), newVersion.getUniqueId());
if (isEmpty(container.getGroups())) {
log.debug("#updateGroupMembersOnChangeVersion - container {} has no groups.", container.getUniqueId());
return ActionStatus.OK;
}
List<GroupDefinition> groupsWithPrevInstAsMember = container.resolveGroupsByMember(prevVersion.getUniqueId());
if (isEmpty(groupsWithPrevInstAsMember)) {
log.debug("#updateGroupMembersOnChangeVersion - container {} has no groups with component instance {} as member.", container.getUniqueId(), prevVersion.getUniqueId());
return ActionStatus.OK;
}
replacePrevInstanceMemberWithNewInstance(prevVersion, newVersion, groupsWithPrevInstAsMember);
return updateGroups(container, groupsWithPrevInstAsMember);
}
private ActionStatus updateGroups(Component container, List<GroupDefinition> groupsToUpdate) {
log.debug("#updateGroups - updating {} groups for container {}", groupsToUpdate.size(), container.getUniqueId());
return groupsOperation.updateGroups(container, groupsToUpdate)
.either(groupsUpdated -> ActionStatus.OK,
err -> componentsUtils.convertFromStorageResponse(err, container.getComponentType()));
}
private void replacePrevInstanceMemberWithNewInstance(ComponentInstance prevVersion, ComponentInstance newVersion, List<GroupDefinition> groupsWithPrevInstAsMember) {
groupsWithPrevInstAsMember.forEach(grp -> replacePrevInstanceMemberWithNewInstance(grp, prevVersion.getUniqueId(), newVersion.getUniqueId()));
}
private void replacePrevInstanceMemberWithNewInstance(GroupDefinition groupDefinition, String prevInstanceId, String newInstanceId) {
Map<String, String> membersNameToId = groupDefinition.getMembers();
String prevInstanceMemberName = MapUtils.invertMap(membersNameToId).get(prevInstanceId).toString();
membersNameToId.replace(prevInstanceMemberName, newInstanceId);
}
}
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