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package org.openecomp.core.zusammen.plugin.collaboration;
import com.amdocs.zusammen.datatypes.Id;
import com.amdocs.zusammen.datatypes.SessionContext;
import com.amdocs.zusammen.datatypes.item.Action;
import com.amdocs.zusammen.datatypes.item.ElementContext;
import com.amdocs.zusammen.datatypes.response.ReturnCode;
import com.amdocs.zusammen.datatypes.response.ZusammenException;
import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeChange;
import com.amdocs.zusammen.sdk.collaboration.types.CollaborationPublishResult;
import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Optional;
import java.util.UUID;
import static com.amdocs.zusammen.datatypes.response.Module.ZCSP;
import static org.openecomp.core.zusammen.plugin.ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToElementChange;
import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToVersionChange;
import static org.openecomp.core.zusammen.plugin.collaboration.ErrorCode.NO_CHANGES_TO_PUBLISH;
public class PublishService {
// TODO: 6/29/2017 throw ZusammenException with ReturnCode when needed.
private static final String PUSH_NON_EXISTING_VERSION =
"Item Id %s, version Id %s: Non existing version cannot be pushed.";
private VersionPublicStore versionPublicStore;
private VersionPrivateStore versionPrivateStore;
private ElementPublicStore elementPublicStore;
private ElementPrivateStore elementPrivateStore;
public PublishService(VersionPublicStore versionPublicStore,
VersionPrivateStore versionPrivateStore,
ElementPublicStore elementPublicStore,
ElementPrivateStore elementPrivateStore) {
this.versionPublicStore = versionPublicStore;
this.versionPrivateStore = versionPrivateStore;
this.elementPublicStore = elementPublicStore;
this.elementPrivateStore = elementPrivateStore;
}
public CollaborationPublishResult publish(SessionContext context, Id itemId, Id versionId,
String message) {
CollaborationPublishResult result = new CollaborationPublishResult();
result.setChange(new CollaborationMergeChange());
Date publishTime = new Date();
Id revisionId = new Id(UUID.randomUUID().toString());
boolean versionFirstPublication = publishVersion(context, itemId, versionId, revisionId,
publishTime,message);
if (versionFirstPublication) {
publishAllElements(context, new ElementContext(itemId, versionId, revisionId), publishTime,
result);
} else {
publishDirtyElements(context, new ElementContext(itemId, versionId, revisionId), publishTime,
result);
}
return result;
}
private boolean publishVersion(SessionContext context, Id itemId, Id versionId, Id revisionId,
Date publishTime, String message) {
SynchronizationStateEntity privateVersionSyncState =
versionPrivateStore.getSynchronizationState(context, itemId, versionId)
.orElseThrow(() -> new IllegalArgumentException(
String.format(PUSH_NON_EXISTING_VERSION, itemId.toString(), versionId.toString())));
if (!privateVersionSyncState.isDirty()) {
throw new ZusammenException(new ReturnCode(NO_CHANGES_TO_PUBLISH, ZCSP,
String.format(Message.NO_CHANGES_TO_PUBLISH, itemId, versionId), null));
}
Optional<SynchronizationStateEntity> publicVersionSyncState =
versionPublicStore.getSynchronizationState(context, itemId, versionId);
// private must be synced with public (if public exists)
if (publicVersionSyncState.isPresent() &&
!privateVersionSyncState.getPublishTime()
.equals(publicVersionSyncState.get().getPublishTime())) {
// should not happen as it is validated in zusammen-core
throw new UnsupportedOperationException("Out of sync item version can not be publish");
}
boolean versionFirstPublication;
Map<Id, Id> versionElementIds =
elementPublicStore.listIds(context, new ElementContext(itemId,
versionId));
if (publicVersionSyncState.isPresent()) {
versionPublicStore.update(context, itemId, new VersionEntity(versionId), revisionId,
versionElementIds,publishTime,message);
versionFirstPublication = false;
} else {
VersionEntity privateVersion = versionPrivateStore.get(context, itemId, versionId)
.orElseThrow(() -> new IllegalArgumentException(
String.format(PUSH_NON_EXISTING_VERSION, itemId.toString(), versionId.toString())));
versionPublicStore.create(context, itemId, privateVersion, revisionId,versionElementIds,
publishTime,message);
versionFirstPublication = true;
}
versionPrivateStore.markAsPublished(context, itemId, versionId, publishTime);
return versionFirstPublication;
}
private void publishAllElements(SessionContext context, ElementContext elementContext,
Date publishTime, CollaborationPublishResult result) {
Collection<SynchronizationStateEntity> privateElementSyncStates =
elementPrivateStore.listSynchronizationStates(context, elementContext);
for (SynchronizationStateEntity privateElementSyncState : privateElementSyncStates) {
Optional<ElementEntity> privateElement =
elementPrivateStore.get(context, elementContext, privateElementSyncState.getId());
if (!privateElement.isPresent()) {
continue;
}
ElementEntity elementToPublish = privateElement.get();
elementPublicStore.create(context, elementContext, elementToPublish,
privateElementSyncState.isDirty() ? publishTime
: privateElementSyncState.getPublishTime());
if (privateElementSyncState.isDirty()) {
elementPrivateStore
.markAsPublished(context, elementContext, privateElementSyncState.getId(), publishTime);
}
updateResult(elementContext, elementToPublish, Action.CREATE,
ROOT_ELEMENTS_PARENT_ID.equals(privateElementSyncState.getId()), result);
}
}
private void publishDirtyElements(SessionContext context, ElementContext elementContext,
Date publishTime, CollaborationPublishResult result) {
Id revisionId = elementContext.getRevisionId();
elementContext.setRevisionId(revisionId);
ElementContext privateElementContext = new ElementContext(elementContext.getItemId(),
elementContext.getVersionId(),Id.ZERO);
Collection<SynchronizationStateEntity> privateElementSyncStates =
elementPrivateStore.listSynchronizationStates(context, elementContext);
Collection<SynchronizationStateEntity> publicElementSyncStates =
elementPublicStore.listSynchronizationStates(context, elementContext);
for (SynchronizationStateEntity privateElementSyncState : privateElementSyncStates) {
if (!privateElementSyncState.isDirty()) {
continue;
}
Optional<ElementEntity> privateElement =
elementPrivateStore.get(context, privateElementContext, privateElementSyncState.getId());
ElementEntity elementToPublish;
Action actionOnPublic;
if (privateElement.isPresent()) {
elementToPublish = privateElement.get();
if (publicElementSyncStates.contains(privateElementSyncState)) {
elementPublicStore.update(context, elementContext, elementToPublish, publishTime);
actionOnPublic = Action.UPDATE;
} else {
elementPublicStore.create(context, elementContext, elementToPublish, publishTime);
actionOnPublic = Action.CREATE;
}
elementPrivateStore
.markAsPublished(context, privateElementContext, privateElementSyncState.getId(), publishTime);
} else {
elementToPublish =
elementPublicStore.get(context, elementContext, privateElementSyncState.getId())
.orElseThrow(() -> new IllegalStateException(
"Element that should be deleted from public must exist there"));
elementPublicStore.delete(context, elementContext, elementToPublish, publishTime);
actionOnPublic = Action.DELETE;
elementPrivateStore
.markDeletionAsPublished(context, privateElementContext, privateElementSyncState.getId(),
publishTime);
}
updateResult(elementContext, elementToPublish, actionOnPublic,
ROOT_ELEMENTS_PARENT_ID.equals(privateElementSyncState.getId()), result);
}
}
private void updateResult(ElementContext elementContext, ElementEntity element,
Action action, boolean versionDataElement,
CollaborationPublishResult result) {
if (versionDataElement) {
result.getChange().setChangedVersion(convertToVersionChange(elementContext, element, action));
} else {
result.getChange().getChangedElements()
.add(convertToElementChange(elementContext, element, action));
}
}
}
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