turn folder arg into flag for message copy, move and delete cmds

src/email/message/command/copy.rs

@@ -8,7 +8,7 @@ use crate::{
     cache::arg::disable::CacheDisableFlag,
     config::TomlConfig,
     envelope::arg::ids::EnvelopeIdsArgs,
-    folder::arg::name::{SourceFolderNameArg, TargetFolderNameArg},
+    folder::arg::name::{SourceFolderNameOptionalFlag, TargetFolderNameArg},
     printer::Printer,
 };
 
@@ -16,7 +16,7 @@ use crate::{
 #[derive(Debug, Parser)]
 pub struct MessageCopyCommand {
     #[command(flatten)]
-    pub source_folder: SourceFolderNameArg,
+    pub source_folder: SourceFolderNameOptionalFlag,
 
     #[command(flatten)]
     pub target_folder: TargetFolderNameArg,

src/email/message/command/delete.rs

@@ -44,6 +44,6 @@ impl MessageDeleteCommand {
         let ids = &self.envelopes.ids;
         backend.delete_messages(folder, ids).await?;
 
-        printer.print("Message(s) successfully deleted from {from_folder} to {to_folder}!")
+        printer.print(format!("Message(s) successfully removed from {folder}!"))
     }
 }

src/email/message/command/move_.rs

@@ -8,7 +8,7 @@ use crate::{
     cache::arg::disable::CacheDisableFlag,
     config::TomlConfig,
     envelope::arg::ids::EnvelopeIdsArgs,
-    folder::arg::name::{SourceFolderNameArg, TargetFolderNameArg},
+    folder::arg::name::{SourceFolderNameOptionalFlag, TargetFolderNameArg},
     printer::Printer,
 };
 
@@ -16,7 +16,7 @@ use crate::{
 #[derive(Debug, Parser)]
 pub struct MessageMoveCommand {
     #[command(flatten)]
-    pub source_folder: SourceFolderNameArg,
+    pub source_folder: SourceFolderNameOptionalFlag,
 
     #[command(flatten)]
     pub target_folder: TargetFolderNameArg,

src/folder/arg/name.rs

@@ -26,11 +26,12 @@ pub struct FolderNameArg {
     pub name: String,
 }
 
-/// The source folder name argument parser.
+/// The optional source folder name flag parser.
 #[derive(Debug, Parser)]
-pub struct SourceFolderNameArg {
+pub struct SourceFolderNameOptionalFlag {
     /// The name of the source folder.
-    #[arg(name = "from-folder-name", value_name = "FROM")]
+    #[arg(long = "folder", short = 'f')]
+    #[arg(name = "source_folder_name", value_name = "SOURCE", default_value = INBOX)]
     pub name: String,
 }
 
@@ -38,6 +39,6 @@ pub struct SourceFolderNameArg {
 #[derive(Debug, Parser)]
 pub struct TargetFolderNameArg {
     /// The name of the target folder.
-    #[arg(name = "to-folder-name", value_name = "TO")]
+    #[arg(name = "target_folder_name", value_name = "TARGET")]
     pub name: String,
 }