♻️ refactor(processor): consolidate message operations in GmailClient

- move label adding and message deletion logic to GmailClient
- reduce code duplication and improve code structure
- simplify processor methods by reusing GmailClient functions

src/processor.rs

@@ -2,7 +2,10 @@
 
 use std::fmt;
 
-use crate::{Delete, EolAction, Error, GmailClient, Result, Trash, config::EolRule};
+use crate::{
+    EolAction, Error, GmailClient, Result, Trash, config::EolRule, delete::Delete,
+    message_list::MessageList,
+};
 
 /// Rule processor
 #[derive()]
@@ -75,7 +78,7 @@ impl<'a> Processor<'a> {
         let mut messages_to_trash = Trash::new(&self.client).await?;
         messages_to_trash
             .message_list()
-            .add_labels(&self.client, &[label.to_string()])
+            .add_labels(&[label.to_string()])
             .await?;
 
         if messages_to_trash.message_list().label_ids().is_empty() {
@@ -100,29 +103,24 @@ impl<'a> Processor<'a> {
     }
 
     /// Delete the messages
-    pub async fn delete_messages(&self, label: &str) -> Result<()> {
-        let mut messages_to_delete = Delete::new(&self.client).await?;
+    pub async fn delete_messages(&mut self, label: &str) -> Result<()> {
+        self.client.add_labels(&[label.to_string()]).await?;
 
-        messages_to_delete
-            .message_list()
-            .add_labels(&self.client, &[label.to_string()])
-            .await?;
-
-        if messages_to_delete.message_list().label_ids().is_empty() {
+        if self.client.label_ids().is_empty() {
             return Err(Error::LabelNotFoundInMailbox(label.to_string()));
         }
 
         let Some(query) = self.rule.eol_query() else {
             return Err(Error::NoQueryStringCalculated(self.rule.id()));
         };
-        messages_to_delete.message_list().set_query(&query);
+        self.client.set_query(&query);
 
-        log::info!("{messages_to_delete:?}");
+        log::info!("{:?}", self.client.messages());
         log::info!("Ready to run");
-        messages_to_delete.prepare(0).await?;
+        self.client.prepare(0).await?;
         if self.execute {
             log::info!("***executing final delete messages***");
-            messages_to_delete.batch_delete().await
+            self.client.batch_delete().await
         } else {
             log::warn!("Execution stopped for dry run");