Partow/Telegram-Final-Project
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Delete group by owner, transfer ownership, leave group

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This commit is contained in:
Partow
2025-07-01 17:18:29 +03:30
parent 0fbccc2c4c
commit 67f48cd943
4 changed files with 216 additions and 8 deletions
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src/main/java/org/to/telegramfinalproject/Server/ClientHandler.java
+70
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@@ -912,6 +912,36 @@ public class ClientHandler implements Runnable {
case "transfer_group_ownership": {
UUID groupId = UUID.fromString(requestJson.getString("group_id"));
UUID newOwnerUserId = UUID.fromString(requestJson.getString("new_owner_user_id"));
User newOwner = userDatabase.findByInternalUUID(newOwnerUserId);
if (newOwner == null) {
response = new ResponseModel("error", "New owner not found.");
break;
}
if (!GroupDatabase.isOwner(groupId, currentUser.getInternal_uuid())) {
response = new ResponseModel("error", "Only current owner can transfer ownership.");
break;
}
if (!GroupDatabase.isAdmin(groupId, newOwner.getInternal_uuid())) {
response = new ResponseModel("error", "Selected user is not an admin.");
break;
}
boolean success = GroupDatabase.transferOwnership(groupId, newOwner.getInternal_uuid());
response = success
? new ResponseModel("success", "Ownership transferred.")
: new ResponseModel("error", "Failed to transfer ownership.");
break;
}
case "view_group_members" : {
UUID groupId = UUID.fromString(requestJson.getString("group_id"));
@@ -948,7 +978,47 @@ public class ClientHandler implements Runnable {
}
case "leave_chat": {
String chatType = requestJson.getString("chat_type");
UUID chatId = UUID.fromString(requestJson.getString("chat_id"));
userId = UUID.fromString(requestJson.getString("user_id"));
boolean success = false;
switch (chatType) {
case "group" -> success = GroupDatabase.removeMemberFromGroup(chatId, userId);
case "channel" -> success = ChannelDatabase.removeSubscriberFromChannel(chatId, userId);
default -> {
response = new ResponseModel("error", "Unsupported chat type.");
break;
}
}
if (response == null) {
response = success
? new ResponseModel("success", "Left the " + chatType + " successfully.")
: new ResponseModel("error", "Failed to leave the " + chatType + ".");
}
break;
}
case "delete_group": {
UUID groupId = UUID.fromString(requestJson.getString("group_id"));
if (!GroupDatabase.isOwner(groupId, currentUser.getInternal_uuid())) {
response = new ResponseModel("error", "Only the group owner can delete the group.");
break;
}
boolean success = GroupDatabase.deleteGroup(groupId);
response = success
? new ResponseModel("success", "Group deleted successfully.")
: new ResponseModel("error", "Failed to delete group.");
break;
}