initial commit

src/modules/cache/imap/mod.rs

@@ -0,0 +1,66 @@
+//
+// Copyright (c) 2025 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+use std::sync::LazyLock;
+
+use crate::modules::{account::state::AccountRunningState, database::ModelsAdapter};
+use ahash::{AHashMap, AHashSet};
+use mailbox::MailBox;
+use native_db::Models;
+
+pub mod mailbox;
+pub mod sync;
+pub mod task;
+
+pub static MAILBOX_MODELS: LazyLock<Models> = LazyLock::new(|| {
+    let mut adapter = ModelsAdapter::new();
+    adapter.register_model::<MailBox>();
+    adapter.register_model::<AccountRunningState>();
+    adapter.models
+});
+
+pub fn find_missing_mailboxes(
+    local_mailboxes: &[MailBox],
+    server_mailboxes: &[MailBox],
+) -> Vec<MailBox> {
+    let local_names: AHashSet<_> = local_mailboxes.iter().map(|m| &m.name).collect();
+    server_mailboxes
+        .iter()
+        .filter(|m| !local_names.contains(&m.name))
+        .cloned()
+        .collect()
+}
+
+pub fn find_intersecting_mailboxes(
+    local_mailboxes: &[MailBox],
+    remote_mailboxes: &[MailBox],
+) -> Vec<(MailBox, MailBox)> {
+    let local_map: AHashMap<_, _> = local_mailboxes
+        .iter()
+        .map(|m| (m.name.clone(), m.clone()))
+        .collect();
+    remote_mailboxes
+        .iter()
+        .filter_map(|m| {
+            local_map
+                .get(&m.name)
+                .map(|local_mailbox| (local_mailbox.clone(), m.clone()))
+        })
+        .collect()
+}