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use super::{
event::{Created, Deleted, Event},
Channel,
};
use crate::event::Instant;
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct History {
pub channel: Channel,
pub created: Instant,
pub deleted: Option<Instant>,
}
impl History {
fn created(&self) -> Event {
Event {
instant: self.created,
kind: Created {
channel: self.channel.clone(),
}
.into(),
}
}
fn deleted(&self) -> Option<Event> {
self.deleted.map(|instant| Event {
instant,
kind: Deleted {
channel: self.channel.id.clone(),
}
.into(),
})
}
pub fn events(&self) -> impl Iterator<Item = Event> {
[self.created()].into_iter().chain(self.deleted())
}
pub fn snapshot(&self) -> Channel {
self.channel.clone()
}
}
|
