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| ****************************************************************/ |
| |
| package org.apache.james.mailbox.cassandra.mail.task; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.james.core.Username; |
| import org.apache.james.mailbox.MailboxManager; |
| import org.apache.james.mailbox.MailboxSession; |
| import org.apache.james.mailbox.acl.ACLDiff; |
| import org.apache.james.mailbox.cassandra.ids.CassandraId; |
| import org.apache.james.mailbox.cassandra.mail.CassandraACLMapper; |
| import org.apache.james.mailbox.cassandra.mail.CassandraMailboxDAO; |
| import org.apache.james.mailbox.cassandra.mail.CassandraMessageIdDAO; |
| import org.apache.james.mailbox.cassandra.mail.CassandraUserMailboxRightsDAO; |
| import org.apache.james.mailbox.exception.MailboxException; |
| import org.apache.james.mailbox.model.ComposedMessageId; |
| import org.apache.james.mailbox.model.ComposedMessageIdWithMetaData; |
| import org.apache.james.mailbox.model.MailboxACL; |
| import org.apache.james.mailbox.model.MessageRange; |
| import org.apache.james.mailbox.store.StoreMessageIdManager; |
| import org.apache.james.task.Task; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class MailboxMergingTaskRunner { |
| private static final Logger LOGGER = LoggerFactory.getLogger(MailboxMergingTaskRunner.class); |
| |
| private final StoreMessageIdManager messageIdManager; |
| private final CassandraMessageIdDAO cassandraMessageIdDAO; |
| private final CassandraMailboxDAO mailboxDAO; |
| private final CassandraUserMailboxRightsDAO rightsDAO; |
| private final CassandraACLMapper cassandraACLMapper; |
| private final MailboxSession mailboxSession; |
| |
| @Inject |
| public MailboxMergingTaskRunner(MailboxManager mailboxManager, StoreMessageIdManager messageIdManager, CassandraMessageIdDAO cassandraMessageIdDAO, CassandraMailboxDAO mailboxDAO, CassandraUserMailboxRightsDAO rightsDAO, CassandraACLMapper cassandraACLMapper) throws MailboxException { |
| this.mailboxSession = mailboxManager.createSystemSession(Username.of("task")); |
| this.messageIdManager = messageIdManager; |
| this.cassandraMessageIdDAO = cassandraMessageIdDAO; |
| this.mailboxDAO = mailboxDAO; |
| this.rightsDAO = rightsDAO; |
| this.cassandraACLMapper = cassandraACLMapper; |
| } |
| |
| public Task.Result run(CassandraId oldMailboxId, CassandraId newMailboxId, MailboxMergingTask.Context context) { |
| return moveMessages(oldMailboxId, newMailboxId, mailboxSession, context) |
| .onComplete( |
| () -> mergeRights(oldMailboxId, newMailboxId), |
| () -> mailboxDAO.delete(oldMailboxId).block()); |
| } |
| |
| private Task.Result moveMessages(CassandraId oldMailboxId, CassandraId newMailboxId, MailboxSession session, MailboxMergingTask.Context context) { |
| return cassandraMessageIdDAO.retrieveMessages(oldMailboxId, MessageRange.all()) |
| .map(ComposedMessageIdWithMetaData::getComposedMessageId) |
| .map(messageId -> moveMessage(newMailboxId, messageId, session, context)) |
| .reduce(Task.Result.COMPLETED, Task::combine) |
| .block(); |
| } |
| |
| private Task.Result moveMessage(CassandraId newMailboxId, ComposedMessageId composedMessageId, MailboxSession session, MailboxMergingTask.Context context) { |
| try { |
| messageIdManager.setInMailboxesNoCheck(composedMessageId.getMessageId(), newMailboxId, session); |
| context.incrementMovedCount(); |
| return Task.Result.COMPLETED; |
| } catch (MailboxException e) { |
| LOGGER.warn("Failed moving message {}", composedMessageId.getMessageId(), e); |
| context.incrementFailedCount(); |
| return Task.Result.PARTIAL; |
| } |
| } |
| |
| private void mergeRights(CassandraId oldMailboxId, CassandraId newMailboxId) { |
| try { |
| MailboxACL oldAcl = cassandraACLMapper.getACL(oldMailboxId) |
| .defaultIfEmpty(MailboxACL.EMPTY) |
| .block(); |
| MailboxACL newAcl = cassandraACLMapper.getACL(newMailboxId) |
| .defaultIfEmpty(MailboxACL.EMPTY) |
| .block(); |
| MailboxACL finalAcl = newAcl.union(oldAcl); |
| |
| cassandraACLMapper.setACL(newMailboxId, finalAcl); |
| rightsDAO.update(oldMailboxId, ACLDiff.computeDiff(oldAcl, MailboxACL.EMPTY)).block(); |
| } catch (MailboxException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |