email-lib 0.27.0

Cross-platform, asynchronous Rust library to manage emails
Documentation 
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use async_trait::async_trait;
use tracing::{info, trace};

use super::{Envelope, GetEnvelope};
use crate::{email::error::Error, envelope::SingleId, notmuch::NotmuchContextSync, AnyResult};

#[derive(Clone)]
pub struct GetNotmuchEnvelope {
    ctx: NotmuchContextSync,
}

impl GetNotmuchEnvelope {
    pub fn new(ctx: &NotmuchContextSync) -> Self {
        Self { ctx: ctx.clone() }
    }

    pub fn new_boxed(ctx: &NotmuchContextSync) -> Box<dyn GetEnvelope> {
        Box::new(Self::new(ctx))
    }

    pub fn some_new_boxed(ctx: &NotmuchContextSync) -> Option<Box<dyn GetEnvelope>> {
        Some(Self::new_boxed(ctx))
    }
}

#[async_trait]
impl GetEnvelope for GetNotmuchEnvelope {
    async fn get_envelope(&self, folder: &str, id: &SingleId) -> AnyResult<Envelope> {
        info!("getting notmuch envelope {id:?} from folder {folder}");

        let ctx = self.ctx.lock().await;
        let db = ctx.open_db()?;

        let envelope = Envelope::from_notmuch_msg(
            db.find_message(&id.to_string())
                .map_err(Error::NotMuchFailure)?
                .ok_or_else(|| {
                    Error::FindEnvelopeEmptyNotmuchError(folder.to_owned(), id.to_string())
                })?,
        );
        trace!("notmuch envelope: {envelope:#?}");

        db.close().map_err(Error::NotMuchFailure)?;

        Ok(envelope)
    }
}