zdm/envoy
zdm/envoy
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Implemented groups support on server

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Implemented support for group messages in MessageProcessor and adjusted
IdGeneratorRequestProcessor
This commit is contained in:
DieGurke 2020-03-25 18:22:58 +01:00
parent 1bedd5fb7f
commit 24b7e15ff2
2 changed files with 53 additions and 10 deletions
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17
src/main/java/envoy/server/processors/IDGeneratorRequestProcessor.java
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@ -14,6 +14,7 @@ import envoy.server.net.ObjectWriteProxy;
* Created: <strong>28 Jan 2020</strong><br>
*
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy Server Standalone v0.1-alpha
*/
public class IDGeneratorRequestProcessor implements ObjectProcessor<IDGeneratorRequest> {
@ -26,13 +27,19 @@ public class IDGeneratorRequestProcessor implements ObjectProcessor<IDGeneratorR
@Override
public void process(IDGeneratorRequest input, long socketId, ObjectWriteProxy writeProxy) throws IOException {
System.out.println("Received id generation request.");
ConfigItem currentId = PersistenceManager.getInstance().getConfigItemById("currentMessageId");
IDGenerator generator = new IDGenerator(Integer.parseInt(currentId.getValue()), ID_RANGE);
currentId.setValue(String.valueOf(Integer.parseInt(currentId.getValue()) + ID_RANGE));
PersistenceManager.getInstance().updateConfigItem(currentId);
var generator = createIDGenerator();
System.out.println("Sending new id generator " + generator);
writeProxy.write(socketId, generator);
}
public static IDGenerator createIDGenerator() { return createIDGenerator(ID_RANGE); }
public static IDGenerator createIDGenerator(long range) {
ConfigItem currentId = PersistenceManager.getInstance().getConfigItemById("currentMessageId");
IDGenerator generator = new IDGenerator(Integer.parseInt(currentId.getValue()), range);
currentId.setValue(String.valueOf(Integer.parseInt(currentId.getValue()) + range));
PersistenceManager.getInstance().updateConfigItem(currentId);
return generator;
}
}

44
src/main/java/envoy/server/processors/MessageProcessor.java
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@ -4,7 +4,10 @@ import java.io.IOException;
import java.util.Date;
import envoy.data.Message;
import envoy.data.Message.MessageStatus;
import envoy.data.MessageBuilder;
import envoy.event.MessageStatusChangeEvent;
import envoy.server.data.Contact;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
@ -17,6 +20,7 @@ import envoy.server.net.ObjectWriteProxy;
* Created: <strong>30.12.2019</strong><br>
*
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy Server Standalone v0.1-alpha
*/
public class MessageProcessor implements ObjectProcessor<Message> {
@ -24,21 +28,53 @@ public class MessageProcessor implements ObjectProcessor<Message> {
@Override
public void process(Message message, long socketId, ObjectWriteProxy writeProxy) {
ConnectionManager connectionManager = ConnectionManager.getInstance();
message.nextStatus();
ConnectionManager connectionManager = ConnectionManager.getInstance();
Contact recipient = PersistenceManager.getInstance().getContactById(message.getId());
if (recipient instanceof envoy.server.data.User) {
System.out.println("The received message is a direct message.");
sendToUser(connectionManager, message, writeProxy);
// Sending a messageStatusChangeEvent to the sender
try {
writeProxy.write(socketId, new MessageStatusChangeEvent(message));
} catch (IOException e) {
System.err.println("Could not send messageStatusChangeEvent to the sender of this message with ID: " + message.getId());
e.printStackTrace();
}
} else {
System.out.println("The received message is a group message.");
final var members = PersistenceManager.getInstance().getGroupById(message.getRecipientId()).getMembers();
final var generator = IDGeneratorRequestProcessor.createIDGenerator(members.size());
members.forEach(user -> {
envoy.data.Message returnMessage = new MessageBuilder(message.getRecipientId(), user.getID(), generator)
.setDate(message.getCreationDate())
.setText(message.getText())
.setAttachment(message.getAttachment())
.setStatus(MessageStatus.SENT)
.setForwarded(message.isForwarded())
.build();
sendToUser(connectionManager, returnMessage, writeProxy);
// TODO Handle messageStatusChangeEvent because we have many recipients and
// copies of the original message. (Not at this location)
});
}
PersistenceManager.getInstance().addMessage(new envoy.server.data.Message(message));
}
private void sendToUser(ConnectionManager connectionManager, Message message, ObjectWriteProxy writeProxy) {
if (connectionManager.isOnline(message.getRecipientId())) try {
// If recipient is online, send the message directly
writeProxy.write(connectionManager.getSocketId(message.getRecipientId()), message);
// Update the message status to RECEIVED
message.setReceivedDate(new Date());
message.nextStatus();
writeProxy.write(socketId, new MessageStatusChangeEvent(message));
} catch (IOException e) {
System.err.println("Recipient online. Failed to send message" + message.getId());
e.printStackTrace();
}
PersistenceManager.getInstance().addMessage(new envoy.server.data.Message(message));
}
@Override