✨ feat(processor): add label existence check before processing

- check if the label exists in the mailbox before proceeding to trash or delete messages
- return an error if the label is not found, preventing further processing

src/processor.rs

@@ -1,6 +1,6 @@
 // use crate::EolRule;
 
-use crate::{Delete, EolAction, Result, Trash, config::EolRule};
+use crate::{Delete, EolAction, Error, Result, Trash, config::EolRule};
 
 /// Rule processor
 #[derive(Debug)]
@@ -28,16 +28,21 @@ impl<'a> Processor<'a> {
     /// Trash the messages
     pub async fn trash_messages(&self, label: &str) -> Result<()> {
         let mut messages_to_trash = Trash::new(&self.credential_file).await?;
-
         messages_to_trash
             .message_list()
             .add_labels(&self.credential_file, &[label.to_string()])
             .await?;
 
+        if messages_to_trash.message_list().label_ids().is_empty() {
+            return Err(Error::LableNotFoundInMailbox(label.to_string()));
+        }
+
         messages_to_trash
             .message_list()
             .set_query(&self.rule.eol_query());
 
+        log::info!("{messages_to_trash:?}");
+        log::info!("Ready to run");
         messages_to_trash.run(0).await
     }
 
@@ -50,12 +55,19 @@ impl<'a> Processor<'a> {
             .add_labels(&self.credential_file, &[label.to_string()])
             .await?;
 
+        if messages_to_delete.message_list().label_ids().is_empty() {
+            return Err(Error::LableNotFoundInMailbox(label.to_string()));
+        }
+
         messages_to_delete
             .message_list()
             .set_query(&self.rule.eol_query());
 
+        log::info!("{messages_to_delete:?}");
+        log::info!("Ready to run");
         messages_to_delete.prepare(0).await?;
         if self.execute {
+            log::warn!("***executing final delete messages***");
             messages_to_delete.batch_delete().await
         } else {
             Ok(())