refactor: improve maildir, bring m2dir support

src/m2dir/create.rs

@@ -0,0 +1,40 @@
+// This file is part of Himalaya, a CLI to manage emails.
+//
+// Copyright (C) 2022-2026 soywod <pimalaya.org@posteo.net>
+//
+// This program is free software: you can redistribute it and/or modify it under
+// the terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option) any
+// later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use anyhow::Result;
+use clap::Parser;
+use pimalaya_cli::printer::{Message, Printer};
+
+use crate::m2dir::{arg::M2dirNameArg, client::M2dirClient};
+
+/// Create the given m2dir folder.
+///
+/// Initialises the m2store at the client root if needed, then creates
+/// the m2dir folder named after `name` (relative to the store root).
+#[derive(Debug, Parser)]
+pub struct M2dirMailboxCreateCommand {
+    #[command(flatten)]
+    pub m2dir_name: M2dirNameArg,
+}
+
+impl M2dirMailboxCreateCommand {
+    pub fn execute(self, printer: &mut impl Printer, client: M2dirClient) -> Result<()> {
+        client.init_store()?;
+        client.create_mailbox(&self.m2dir_name.inner)?;
+        printer.out(Message::new("m2dir folder successfully created"))
+    }
+}