Add a del-alias command

src/commands.rs

@@ -104,3 +104,13 @@ pub async fn add_alias(room_id: &str, alias: &str) -> CommandResult {
 
     Ok(())
 }
+
+pub async fn del_alias(alias: &str) -> CommandResult {
+    let alias_id = RoomAliasId::try_from(alias)?;
+    let client = restore_session().await?;
+
+    let request = alias::delete_alias::Request::new(&alias_id);
+    client.send(request, None).await?;
+
+    Ok(())
+}

src/main.rs

@@ -32,6 +32,11 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                      <alias>    'The new alias to add'",
                 ),
         )
+        .subcommand(
+            SubCommand::with_name("del-alias")
+                .about("deletes an existing alias")
+                .args_from_usage("<alias>    'The alias to delete'"),
+        )
         .get_matches();
 
     match matches.subcommand() {
@@ -45,6 +50,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             )
             .await?
         }
+        ("del-alias", Some(submatches)) => {
+            commands::del_alias(submatches.value_of("alias").unwrap()).await?
+        }
         ("", None) => eprintln!("No subcommand given"),
         (c, _) => {
             todo!("Subcommand '{}' not implemented yet!", c);