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use super::{
event::{Created, Event},
Id,
};
// This also implements FromRequestParts (see `./extract.rs`). As a result, it
// can be used as an extractor for endpoints that want to require login, or for
// endpoints that need to behave differently depending on whether the client is
// or is not logged in.
#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
pub struct Login {
pub id: Id,
pub name: String,
// The omission of the hashed password is deliberate, to minimize the
// chance that it ends up tangled up in debug output or in some other chunk
// of logic elsewhere.
}
impl Login {
// Two reasons for this allow:
//
// 1. This is used to collect streams using a fold, below, which requires a type consistent with the fold, and
// 2. It's also consistent with the other history state machine types.
#[allow(clippy::unnecessary_wraps)]
fn apply(state: Option<Self>, event: Event) -> Option<Self> {
match (state, event) {
(None, Event::Created(event)) => Some(event.into()),
(state, event) => panic!("invalid message event {event:#?} for state {state:#?}"),
}
}
}
impl FromIterator<Event> for Option<Login> {
fn from_iter<I: IntoIterator<Item = Event>>(events: I) -> Self {
events.into_iter().fold(None, Login::apply)
}
}
impl From<&Created> for Login {
fn from(event: &Created) -> Self {
event.login.clone()
}
}
impl From<Created> for Login {
fn from(event: Created) -> Self {
event.login
}
}
|
