melib: Implement delete_messages for IMAP, Maildir

1 files changed, 11 insertions, 3 deletions

diff --git a/melib/src/backends/nntp.rs b/melib/src/backends/nntp.rs
index 413c2134..48e5c955 100644
--- a/melib/src/backends/nntp.rs
+++ b/melib/src/backends/nntp.rs
@@ -278,7 +278,7 @@ impl MailBackend for NntpType {
         _mailbox_hash: MailboxHash,
         _flags: Option<Flag>,
     ) -> ResultFuture<()> {
-        Err(MeliError::new("Unimplemented."))
+        Err(MeliError::new("NNTP doesn't support saving."))
     }
 
     fn copy_messages(
@@ -288,7 +288,7 @@ impl MailBackend for NntpType {
         _destination_mailbox_hash: MailboxHash,
         _move_: bool,
     ) -> ResultFuture<()> {
-        Err(MeliError::new("Unimplemented."))
+        Err(MeliError::new("NNTP doesn't support copying/moving."))
     }
 
     fn set_flags(
@@ -297,7 +297,15 @@ impl MailBackend for NntpType {
         _mailbox_hash: MailboxHash,
         _flags: SmallVec<[(std::result::Result<Flag, String>, bool); 8]>,
     ) -> ResultFuture<()> {
-        Err(MeliError::new("Unimplemented."))
+        Err(MeliError::new("NNTP doesn't support flags."))
+    }
+
+    fn delete_messages(
+        &mut self,
+        _env_hashes: EnvelopeHashBatch,
+        _mailbox_hash: MailboxHash,
+    ) -> ResultFuture<()> {
+        Err(MeliError::new("NNTP doesn't support deletion."))
     }
 
     fn tags(&self) -> Option<Arc<RwLock<BTreeMap<u64, String>>>> {