zdm/envoy
zdm/envoy
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Simplified and optimized sync related code in LocalDB

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This commit is contained in:
Kai S. K. Engelbart 2019-12-05 15:05:05 +01:00
parent dca65df9bd
commit 50945a45a2
1 changed files with 72 additions and 69 deletions
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141
src/main/java/envoy/client/LocalDB.java
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@ -147,80 +147,83 @@ public class LocalDB {
public void applySync(Sync returnSync) {
for (int i = 0; i < returnSync.getMessages().size(); i++) {
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0
&& returnSync.getMessages().get(i).getMetadata().getState() == MessageState.SENT) {
// Update Local Messages with State WAITING (add Message ID and change State to
// SENT)
for (int j = 0; j < sync.getMessages().size(); j++) {
if (j == i) {
sync.getMessages().get(j).getMetadata().setMessageId(returnSync.getMessages().get(j).getMetadata().getMessageId());
sync.getMessages().get(j).getMetadata().setState(returnSync.getMessages().get(j).getMetadata().getState());
}
}
}
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0 && returnSync.getMessages().get(i).getMetadata().getSender() != 0
&& returnSync.getMessages().get(i).getMetadata().getState() == MessageState.RECEIVED) {
// these are the unread Messages from the server
unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
// Create and dispatch message creation event
EventBus.getInstance().dispatch(new MessageCreationEvent(returnSync.getMessages().get(i)));
}
// The message has an ID
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0) {
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0 && returnSync.getMessages().get(i).getMetadata().getSender() == 0
&& returnSync.getMessages().get(i).getMetadata().getState() == MessageState.RECEIVED) {
// Update Messages in localDB to state RECEIVED
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
// Update Message in LocalDB
getChats().get(j).getModel().get(k).getMetadata().setState(returnSync.getMessages().get(j).getMetadata().getState());
// Messages are processes differently corresponding to their state
switch (returnSync.getMessages().get(i).getMetadata().getState()) {
case SENT:
// Update previously waiting and now sent messages that were assigned an ID by
// the server
sync.getMessages().get(i).getMetadata().setMessageId(returnSync.getMessages().get(i).getMetadata().getMessageId());
sync.getMessages().get(i).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
break;
case RECEIVED:
if (returnSync.getMessages().get(i).getMetadata().getSender() != 0) {
// these are the unread Messages from the server
unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
// Create and dispatch message creation event
EventBus.getInstance().dispatch(new MessageCreationEvent(returnSync.getMessages().get(i)));
} else {
// Update Messages in localDB to state RECEIVED
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
// Update Message in LocalDB
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(j).getMetadata().getState());
}
}
}
}
}
}
}
}
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0
&& returnSync.getMessages().get(i).getMetadata().getState() == MessageState.READ) {
// Update local Messages to state READ
System.out.println("Message with ID: " + returnSync.getMessages().get(i).getMetadata().getMessageId()
+ "was initialized to be set to READ in localDB.");
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
System.out.println("Chat with: " + getChats().get(j).getRecipient().getID() + "was selected.");
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
System.out.println(
"Message with ID: " + getChats().get(j).getModel().get(k).getMetadata().getMessageId() + "was selected.");
getChats().get(j).getModel().get(k).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
System.out
.println("Message State is now: " + getChats().get(j).getModel().get(k).getMetadata().getState().toString());
break;
case READ:
// Update local Messages to state READ
System.out.println("Message with ID: " + returnSync.getMessages().get(i).getMetadata().getMessageId()
+ "was initialized to be set to READ in localDB.");
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
System.out.println("Chat with: " + getChats().get(j).getRecipient().getID() + "was selected.");
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
System.out.println("Message with ID: " + getChats().get(j).getModel().get(k).getMetadata().getMessageId()
+ "was selected.");
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(i).getMetadata().getState());
System.out.println(
"Message State is now: " + getChats().get(j).getModel().get(k).getMetadata().getState().toString());
}
}
}
}
}
break;
}
}
}
// Updating UserStatus of all users in LocalDB
for (int j = 0; j < returnSync.getUsers().size(); j++) {
for (int k = 0; k < getChats().size(); k++) {
if (getChats().get(k).getRecipient().getID() == returnSync.getUsers().get(j).getID()) {
getChats().get(k).getRecipient().setStatus(returnSync.getUsers().get(j).getStatus());
System.out.println(getChats().get(k).getRecipient().getStatus().toString());
for (User user : returnSync.getUsers())
for (Chat chat : getChats())
if (user.getID() == chat.getRecipient().getID()) {
chat.getRecipient().setStatus(user.getStatus());
System.out.println(chat.getRecipient().getStatus());
}
}
}
sync.getMessages().clear();
sync.getUsers().clear();
@ -234,11 +237,11 @@ public class LocalDB {
* @since Envoy v0.1-alpha
*/
public void addUnreadMessagesToLocalDB() {
Sync unreadMessages = unreadMessagesSync;
for (int i = 0; i < unreadMessages.getMessages().size(); i++)
for (int j = 0; j < getChats().size(); j++)
if (getChats().get(j).getRecipient().getID() == unreadMessages.getMessages().get(i).getMetadata().getSender()) {
getChats().get(j).appendMessage(unreadMessages.getMessages().get(i));
for(Message message : unreadMessagesSync.getMessages())
for(Chat chat : getChats())
if(message.getMetadata().getSender() == chat.getRecipient().getID()) {
chat.appendMessage(message);
break;
}
}
@ -283,8 +286,8 @@ public class LocalDB {
public void clearUnreadMessagesSync() { unreadMessagesSync.getMessages().clear(); }
/**
* @return all saves {@link Chat} objects that list the client user as the
* client
* @return all saved {@link Chat} objects that list the client user as the
* sender
* @since Envoy v0.1-alpha
**/
public List<Chat> getChats() { return chats; }