Implemented GroupCreationProcessor and GroupResizeProcessor
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		@@ -3,7 +3,9 @@ package envoy.server.processors;
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import java.io.IOException;
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					import java.io.IOException;
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import envoy.event.GroupCreationEvent;
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					import envoy.event.GroupCreationEvent;
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					import envoy.server.data.Contact;
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import envoy.server.data.PersistenceManager;
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					import envoy.server.data.PersistenceManager;
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					import envoy.server.net.ConnectionManager;
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import envoy.server.net.ObjectWriteProxy;
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					import envoy.server.net.ObjectWriteProxy;
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/**
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					/**
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@@ -17,16 +19,28 @@ import envoy.server.net.ObjectWriteProxy;
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public class GroupCreationProcessor implements ObjectProcessor<GroupCreationEvent> {
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					public class GroupCreationProcessor implements ObjectProcessor<GroupCreationEvent> {
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	private final PersistenceManager	persistenceManager	= PersistenceManager.getInstance();
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						private final PersistenceManager	persistenceManager	= PersistenceManager.getInstance();
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						private final ConnectionManager		connectionManager	= ConnectionManager.getInstance();
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	@Override
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						@Override
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	public void process(GroupCreationEvent input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
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						public void process(GroupCreationEvent input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
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		envoy.server.data.Group group = new envoy.server.data.Group();
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							envoy.server.data.Group group = new envoy.server.data.Group();
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		group.setName(input.get());
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							group.setName(input.get());
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		// TODO adjust event, so it sends a members list as well, which can be initially
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							input.getInitialMemberIDs().stream().map(persistenceManager::getUserById).forEach(group.getContacts()::add);
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		// set here
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							group.getContacts().add(persistenceManager.getUserById(connectionManager.getUserIdBySocketId(socketID)));
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		persistenceManager.addContact(group);
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							persistenceManager.addContact(group);
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		writeProxy.write(socketID, group); // TODO Prepare the client to receive the group object after sending the
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							writeProxy.write(socketID, group);
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											// groupCreationEvent to the server.
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							group.getContacts()
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								.stream()
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								.map(Contact::getID)
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								.filter(connectionManager::isOnline)
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								.map(connectionManager::getSocketId)
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								.forEach(memberSocketID -> {
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									try {
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										writeProxy.write(memberSocketID, group);
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									} catch (IOException e) {
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										e.printStackTrace();
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									}
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								});
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	}
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						}
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	@Override
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						@Override
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@@ -0,0 +1,54 @@
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					package envoy.server.processors;
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					import java.io.IOException;
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					import envoy.event.GroupResizeEvent;
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					import envoy.server.data.Contact;
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					import envoy.server.data.PersistenceManager;
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					import envoy.server.net.ConnectionManager;
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					import envoy.server.net.ObjectWriteProxy;
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					/**
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					 * Project: <strong>envoy-server-standalone</strong><br>
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					 * File: <strong>GroupResizeProcessor.java</strong><br>
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					 * Created: <strong>03.04.2020</strong><br>
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					 * 
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					 * @author Maximilian Käfer
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					 * @since Envoy Server Standalone v0.1-beta
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					 */
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					public class GroupResizeProcessor implements ObjectProcessor<GroupResizeEvent> {
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						PersistenceManager	persistenceManager	= PersistenceManager.getInstance();
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						ConnectionManager	connectionManager	= ConnectionManager.getInstance();
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						@Override
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						public void process(GroupResizeEvent input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
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							envoy.server.data.Group group = persistenceManager.getGroupById(input.getGroupID());
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							switch (input.getOperation()) {
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								case ADD:
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									group.getContacts().add(persistenceManager.getUserById(input.get().getID()));
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									break;
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								case REMOVE:
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									group.getContacts().remove(persistenceManager.getUserById(input.get().getID()));
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									break;
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							}
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							persistenceManager.updateContact(group);
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							writeProxy.write(socketID, group);
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							group.getContacts()
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								.stream()
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								.map(Contact::getID)
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								.filter(connectionManager::isOnline)
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								.map(connectionManager::getSocketId)
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								.forEach(memberSocketID -> {
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									try {
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										writeProxy.write(memberSocketID, group);
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									} catch (IOException e) {
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										e.printStackTrace();
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									}
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								});
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						}
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						@Override
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						public Class<GroupResizeEvent> getInputClass() { return GroupResizeEvent.class; }
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					}
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