chore: New errors

Signed-off-by: Awiteb <a@4rs.nl>

crates/oxidetalis/src/websocket/errors.rs

@@ -22,8 +22,15 @@ use crate::ws_errors;
 pub type WsResult<T> = Result<T, WsError>;
 
 ws_errors! {
+    InternalServerError = "Internal server error",
     InvalidSignature = "Invalid event signature",
     NotTextMessage = "The websocket message must be text message",
     InvalidJsonData = "Received invalid json data, the text must be valid json",
     UnknownClientEvent = "Unknown client event, the event is not recognized by the server",
+    RegistredUserEvent = "The event is only for registred users",
+    UserNotFound = "The user is not registered in the server",
+    AlreadyOnTheWhitelist = "The user is already on your whitelist",
+    AlreadySendChatRequest = "You have already sent a chat request to this user",
+    CannotSendChatRequestToSelf = "You cannot send a chat request to yourself",
+    CannotAddSelfToWhitelist = "You cannot add yourself to the whitelist",
 }