src/process_mail.rs


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use anyhow::Result;
use tokio::sync::mpsc::{Receiver, Sender};

use crate::model::Mail;

struct MailProcessor {
    rx: Receiver<Mail>,
    tx: Sender<Mail>,
}

// TODO: Store first then forward. On complete forward remove from db, otherwise save db with the
// emails to send to.
impl MailProcessor {
    async fn run(&mut self) -> Result<()> {
        // TODO: Check againts self.rx.is_closed() instead to stop the program before consuming all
        // of the queue. Store the emails not yet processed and restore the queue upon startup.
        while let Some(mail) = self.rx.recv().await {
            todo!()
        }

        Ok(())
    }
}