refactor: Improve commands running and make the signer optional for some commands

Signed-off-by: Awiteb <a@4rs.nl>

src/cli/macros.rs

@@ -0,0 +1,55 @@
+// n34 - A CLI to interact with NIP-34 and other stuff related to codes in nostr
+// Copyright (C) 2025 Awiteb <a@4rs.nl>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://gnu.org/licenses/gpl-3.0.html>.
+
+use super::traits::CommandRunner;
+
+
+/// Returns whether the command runner type `T` requires relays.
+pub fn get_relays_state<T: CommandRunner>(_v: &T) -> bool {
+    T::NEED_RELAYS
+}
+
+/// Returns whether the command runner type `T` requires a signer.
+pub fn get_signer_state<T: CommandRunner>(_v: &T) -> bool {
+    T::NEED_SIGNER
+}
+
+/// Executes a command with required setup checks. The first parameter is the
+/// command to match on (often `self`), followed by options. Optional
+/// subcommands come next, and commands with arguments (after `&`) are listed
+/// last.
+#[macro_export]
+macro_rules! run_command {
+    (r $command:ident $options:ident) => {{
+        if $crate::cli::macros::get_relays_state(&$command) {
+            $options.ensure_relays()?;
+        }
+        if $crate::cli::macros::get_signer_state(&$command) {
+            $options.ensure_signer()?;
+        }
+        $command.run($options).await
+    }};
+    ($command:ident, $options:ident, $($subcommands:ident)* & $($commands:ident)*) => {
+        match $command {
+            $(
+                Self::$subcommands { subcommands } => subcommands.run($options).await,
+            )*
+            $(
+                Self::$commands ( args ) => $crate::run_command!(r args $options),
+            )*
+        }
+    };
+}