MOVE command is optimized

src/imap/mailbox_view.rs

@@ -228,19 +228,16 @@ impl MailboxView {
     ) -> Result<(ImapUidvalidity, Vec<(ImapUid, ImapUid)>, Vec<Body<'static>>)> {
         let mails = self.get_mail_ids(sequence_set, *is_uid_copy)?;
 
-        let mut new_uuids = vec![];
         for mi in mails.iter() {
-            let copy_action = to.copy_from(&self.mailbox, mi.uuid).await?;
-            new_uuids.push(copy_action);
-            self.mailbox.delete(mi.uuid).await?
+            to.move_from(&self.mailbox, mi.uuid).await?;
         }
 
         let mut ret = vec![];
         let to_state = to.current_uid_index().await;
-        for (mi, new_uuid) in mails.iter().zip(new_uuids.iter()) {
+        for mi in mails.iter() {
             let dest_uid = to_state
                 .table
-                .get(new_uuid)
+                .get(&mi.uuid)
                 .ok_or(anyhow!("moved mail not in destination mailbox"))?
                 .0;
             ret.push((mi.uid, dest_uid));

src/mail/mailbox.rs

@@ -149,7 +149,6 @@ impl Mailbox {
 
     /// Move an email from an other Mailbox to this mailbox
     /// (use this when possible, as it allows for a certain number of storage optimizations)
-    #[allow(dead_code)]
     pub async fn move_from(&self, from: &Mailbox, uuid: UniqueIdent) -> Result<()> {
         if self.id == from.id {
             bail!("Cannot copy move same mailbox");
@@ -403,8 +402,6 @@ impl MailboxInternal {
         Ok(new_id)
     }
 
-    #[allow(dead_code)]
-    // 2023-05-15 will probably be used later
     async fn move_from(&mut self, from: &mut MailboxInternal, id: UniqueIdent) -> Result<()> {
         self.copy_internal(from, id, id).await?;
         from.delete(id).await?;

src/mail/mod.rs

@@ -3,6 +3,8 @@ use std::io::Write;
 
 pub mod incoming;
 pub mod mailbox;
+pub mod snapshot;
+pub mod query;
 pub mod uidindex;
 pub mod unique_ident;
 pub mod user;

src/mail/snapshot.rs

@@ -0,0 +1,11 @@
+use std::sync::Arc;
+use super::mailbox::Mailbox;
+use super::uidindex::UidIndex;
+
+pub struct Snapshot {
+    pub mailbox: Arc<Mailbox>,
+    pub snapshot: UidIndex,
+}
+
+impl Snapshot {
+}