chore: Returns Option of ServerEvent in chat request handlers

Signed-off-by: Awiteb <a@4rs.nl>
This commit is contained in:
Awiteb 2024-07-17 21:16:36 +03:00
parent c517fea6fd
commit 09f90b060f
Signed by: awiteb
GPG key ID: 3F6B55640AA6682F
3 changed files with 34 additions and 37 deletions

View file

@ -35,13 +35,15 @@
/// [`Err`]: std::result::Result::Err
#[macro_export]
macro_rules! try_ws {
($result_expr:expr) => {
(Some $result_expr:expr) => {
match $result_expr {
Ok(val) => val,
Err(err) => {
log::error!("{err}");
return $crate::websocket::ServerEvent::<$crate::websocket::Unsigned>::from(
$crate::websocket::errors::WsError::from(err),
return Some(
$crate::websocket::ServerEvent::<$crate::websocket::Unsigned>::from(
$crate::websocket::errors::WsError::from(err),
),
);
}
}

View file

@ -35,45 +35,42 @@ pub async fn handle_chat_request(
db: &DatabaseConnection,
from: Option<&UserModel>,
to_public_key: &PublicKey,
) -> ServerEvent<Unsigned> {
) -> Option<ServerEvent<Unsigned>> {
let Some(from_user) = from else {
return WsError::RegistredUserEvent.into();
return Some(WsError::RegistredUserEvent.into());
};
let Some(to_user) = try_ws!(db.get_user_by_pubk(to_public_key).await) else {
return WsError::UserNotFound.into();
let Some(to_user) = try_ws!(Some db.get_user_by_pubk(to_public_key).await) else {
return Some(WsError::UserNotFound.into());
};
if from_user.id == to_user.id {
return WsError::CannotSendChatRequestToSelf.into();
return Some(WsError::CannotSendChatRequestToSelf.into());
}
// FIXME: When change the entity public key to a PublicKey type, change this
let from_public_key = PublicKey::from_str(&from_user.public_key).expect("Is valid public key");
if try_ws!(db.is_blacklisted(&to_user, &from_public_key).await) {
return ServerEvent::message(
"You are unable to send a chat request because you are on the recipient's blacklist.",
);
}
if try_ws!(db.have_chat_request_to(from_user, to_public_key).await).is_some() {
return ServerEvent::message("You have already sent a chat request to this user.");
if try_ws!(Some db.have_chat_request_to(from_user, to_public_key).await).is_some() {
return Some(WsError::AlreadySendChatRequest.into());
}
try_ws!(db.add_to_whitelist(from_user, to_public_key).await);
if try_ws!(db.is_whitelisted(&to_user, &from_public_key).await) {
return ServerEvent::message(
"You are already on the recipient's whitelist, so you can now chat with them.",
);
if try_ws!(Some db.is_blacklisted(&to_user, &from_public_key).await) {
return Some(WsError::RecipientBlacklist.into());
}
try_ws!(db.save_out_chat_request(from_user, to_public_key).await);
try_ws!(Some db.add_to_whitelist(from_user, to_public_key).await);
if try_ws!(Some db.is_whitelisted(&to_user, &from_public_key).await) {
return Some(WsError::AlreadyInRecipientWhitelist.into());
}
try_ws!(Some db.save_out_chat_request(from_user, to_public_key).await);
if let Some(conn_id) = ONLINE_USERS.is_online(to_public_key).await {
ONLINE_USERS
.send(&conn_id, ServerEvent::chat_request(&from_public_key))
.await;
} else {
try_ws!(db.save_in_chat_request(&from_public_key, &to_user).await);
try_ws!(Some db.save_in_chat_request(&from_public_key, &to_user).await);
}
ServerEvent::message("Chat request sent successfully.")
None
}
pub async fn handle_chat_response(
@ -81,28 +78,28 @@ pub async fn handle_chat_response(
recipient: Option<&UserModel>,
sender_public_key: &PublicKey,
accepted: bool,
) -> ServerEvent<Unsigned> {
) -> Option<ServerEvent<Unsigned>> {
let Some(recipient_user) = recipient else {
return WsError::RegistredUserEvent.into();
return Some(WsError::RegistredUserEvent.into());
};
let Some(sender_user) = try_ws!(db.get_user_by_pubk(sender_public_key).await) else {
return WsError::UserNotFound.into();
let Some(sender_user) = try_ws!(Some db.get_user_by_pubk(sender_public_key).await) else {
return Some(WsError::UserNotFound.into());
};
if recipient_user.id == sender_user.id {
return WsError::CannotRespondToOwnChatRequest.into();
return Some(WsError::CannotRespondToOwnChatRequest.into());
}
// FIXME: When change the entity public key to a PublicKey type, change this
let recipient_public_key =
PublicKey::from_str(&recipient_user.public_key).expect("Is valid public key");
if try_ws!(
if try_ws!(Some
db.have_chat_request_to(&sender_user, &recipient_public_key)
.await
)
.is_none()
{
return WsError::NoChatRequestFromRecipient.into();
return Some(WsError::NoChatRequestFromRecipient.into());
}
if let Some(conn_id) = ONLINE_USERS.is_online(sender_public_key).await {
@ -125,10 +122,10 @@ pub async fn handle_chat_response(
db.add_to_blacklist(recipient_user, sender_public_key).await
};
try_ws!(
try_ws!(Some
db.remove_out_chat_request(&sender_user, &recipient_public_key)
.await
);
ServerEvent::message("Chat request response sent successfully.")
None
}

View file

@ -216,11 +216,9 @@ async fn handle_events(
ONLINE_USERS.update_pong(conn_id).await;
None
}
ClientEventType::ChatRequest { to } => {
Some(handlers::handle_chat_request(db, user, to).await)
}
ClientEventType::ChatRequest { to } => handlers::handle_chat_request(db, user, to).await,
ClientEventType::ChatRequestResponse { to, accepted } => {
Some(handlers::handle_chat_response(db, user, to, *accepted).await)
handlers::handle_chat_response(db, user, to, *accepted).await
}
}
}