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feat: pre-messages / next version of download on demand (#7371)

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Closes <https://github.com/chatmail/core/issues/7367>

Co-authored-by: iequidoo <dgreshilov@gmail.com>
Co-authored-by: Hocuri <hocuri@gmx.de>
This commit is contained in:
Simon Laux
2026-01-08 22:14:32 +00:00
committed by GitHub
parent 46bbe5f077
commit 2631745a57
43 changed files with 2843 additions and 1393 deletions
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44
src/scheduler.rs
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@@ -14,13 +14,12 @@ pub(crate) use self::connectivity::ConnectivityStore;
use crate::config::{self, Config};
use crate::contact::{ContactId, RecentlySeenLoop};
use crate::context::Context;
use crate::download::{DownloadState, download_msg};
use crate::download::{download_known_post_messages_without_pre_message, download_msgs};
use crate::ephemeral::{self, delete_expired_imap_messages};
use crate::events::EventType;
use crate::imap::{FolderMeaning, Imap, session::Session};
use crate::location;
use crate::log::{LogExt, warn};
use crate::message::MsgId;
use crate::smtp::{Smtp, send_smtp_messages};
use crate::sql;
use crate::stats::maybe_send_stats;
@@ -351,38 +350,6 @@ pub(crate) struct Scheduler {
recently_seen_loop: RecentlySeenLoop,
}
async fn download_msgs(context: &Context, session: &mut Session) -> Result<()> {
let msg_ids = context
.sql
.query_map_vec("SELECT msg_id FROM download", (), |row| {
let msg_id: MsgId = row.get(0)?;
Ok(msg_id)
})
.await?;
for msg_id in msg_ids {
if let Err(err) = download_msg(context, msg_id, session).await {
warn!(context, "Failed to download message {msg_id}: {:#}.", err);
// Update download state to failure
// so it can be retried.
//
// On success update_download_state() is not needed
// as receive_imf() already
// set the state and emitted the event.
msg_id
.update_download_state(context, DownloadState::Failure)
.await?;
}
context
.sql
.execute("DELETE FROM download WHERE msg_id=?", (msg_id,))
.await?;
}
Ok(())
}
async fn inbox_loop(
ctx: Context,
started: oneshot::Sender<()>,
@@ -534,9 +501,6 @@ async fn inbox_fetch_idle(ctx: &Context, imap: &mut Imap, mut session: Session)
}
}
download_msgs(ctx, &mut session)
.await
.context("Failed to download messages")?;
session
.update_metadata(ctx)
.await
@@ -597,6 +561,11 @@ async fn fetch_idle(
delete_expired_imap_messages(ctx)
.await
.context("delete_expired_imap_messages")?;
download_known_post_messages_without_pre_message(ctx, &mut session).await?;
download_msgs(ctx, &mut session)
.await
.context("download_msgs")?;
} else if folder_config == Config::ConfiguredInboxFolder {
session.last_full_folder_scan.lock().await.take();
}
@@ -682,6 +651,7 @@ async fn fetch_idle(
Ok(session)
}
/// Simplified IMAP loop to watch non-inbox folders.
async fn simple_imap_loop(
ctx: Context,
started: oneshot::Sender<()>,