64 lines
2.2 KiB
Java
Executable File
64 lines
2.2 KiB
Java
Executable File
package envoy.server.processors;
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import java.time.Instant;
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import java.util.logging.*;
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import envoy.event.ElementOperation;
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import envoy.event.contact.UserOperation;
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import envoy.util.EnvoyLog;
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import envoy.server.data.PersistenceManager;
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import envoy.server.net.*;
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/**
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* @author Kai S. K. Engelbart
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public final class UserOperationProcessor implements ObjectProcessor<UserOperation> {
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private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
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private static final Logger logger =
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EnvoyLog.getLogger(UserOperationProcessor.class);
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private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
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@Override
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public void process(UserOperation evt, long socketID, ObjectWriteProxy writeProxy) {
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final long userID = ConnectionManager.getInstance().getUserIDBySocketID(socketID);
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final long contactID = evt.get().getID();
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final var recipient = persistenceManager.getUserByID(contactID);
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// TODO: Inform the sender if the requested contact has already been deleted
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if (recipient == null)
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return;
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final var sender = persistenceManager.getUserByID(userID);
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switch (evt.getOperationType()) {
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case ADD:
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logger.log(Level.FINE,
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String.format("Adding %s to the contact list of user %d.", evt.get(), userID));
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persistenceManager.addContactBidirectional(userID, contactID);
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// Notify the contact if online
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if (connectionManager.isOnline(contactID))
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writeProxy.write(connectionManager.getSocketID(contactID),
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new UserOperation(sender.toCommon(), ElementOperation.ADD));
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break;
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case REMOVE:
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// Remove the relationships and notify sender if he logs in using another
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// LocalDB
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persistenceManager.removeContactBidirectional(userID, contactID);
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sender.setLatestContactDeletion(Instant.now());
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// Notify the removed contact on next startup(s) of this deletion
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recipient.setLatestContactDeletion(Instant.now());
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// Notify the removed contact if online
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if (connectionManager.isOnline(contactID))
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writeProxy.write(connectionManager.getSocketID(contactID),
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new UserOperation(sender.toCommon(), ElementOperation.REMOVE));
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break;
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}
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}
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}
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