Implements 'key ls' command

src/cmd/key.rs

@@ -1,14 +1,32 @@
+use crate::key::KeyMgr;
 use clap::{ArgMatches, Command};
 use std::process::ExitCode;
+use std::sync::Arc;
 
 /// Command to manage file encryption keys.
-pub struct Key {}
+pub struct Key {
+    keymgr: Arc<KeyMgr>,
+}
 
 impl Key {
     pub const NAME: &'static str = "key";
 
-    pub fn new() -> Self {
-        Self {}
+    pub fn new(keymgr: Arc<KeyMgr>) -> Self {
+        Self { keymgr }
+    }
+
+    fn ls(&self, _: &ArgMatches) -> ExitCode {
+        let mut t = tabled::builder::Builder::new();
+
+        t.push_record(["ID"]);
+
+        for k in self.keymgr.keys() {
+            t.push_record([k.id().to_string()]);
+        }
+
+        println!("{}", t.build());
+
+        ExitCode::SUCCESS
     }
 }
 
@@ -24,7 +42,10 @@ impl super::Command for Key {
             .subcommand(Command::new("ls").about("List all available keys"))
     }
 
-    fn exec(&self, _: &ArgMatches) -> ExitCode {
-        todo!()
+    fn exec(&self, args: &ArgMatches) -> ExitCode {
+        match args.subcommand().unwrap() {
+            ("ls", args) => self.ls(args),
+            _ => unreachable!(),
+        }
     }
 }

src/main.rs

@@ -58,7 +58,7 @@ fn main() -> ExitCode {
     let mut args = clap::Command::new("warp");
     let commands: Vec<Box<dyn Command>> = vec![
         Box::new(self::cmd::Init::new(config.clone(), keymgr.clone())),
-        Box::new(self::cmd::Key::new()),
+        Box::new(self::cmd::Key::new(keymgr.clone())),
         Box::new(self::cmd::Keystore::new(keymgr.clone())),
     ];