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path: root/src/message/history.rs
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use super::{
    event::{Deleted, Event, Sent},
    Message,
};
use crate::event::Instant;

#[derive(Clone, Debug, Eq, PartialEq)]
pub struct History {
    pub message: Message,
    pub sent: Instant,
    pub deleted: Option<Instant>,
}

impl History {
    fn sent(&self) -> Event {
        Event {
            instant: self.sent,
            kind: Sent {
                message: self.message.clone(),
            }
            .into(),
        }
    }

    fn deleted(&self) -> Option<Event> {
        self.deleted.map(|instant| Event {
            instant,
            kind: Deleted {
                channel: self.message.channel.clone(),
                message: self.message.id.clone(),
            }
            .into(),
        })
    }

    pub fn events(&self) -> impl Iterator<Item = Event> {
        [self.sent()].into_iter().chain(self.deleted())
    }

    pub fn snapshot(&self) -> Message {
        self.message.clone()
    }
}