Add FromHandler command

euphoxide-bot/examples/examplebot.rs

@@ -1,41 +1,27 @@
 use std::time::Duration;
 
-use async_trait::async_trait;
 use euphoxide::api::Message;
 use euphoxide_bot::{
+    basic::FromHandler,
     botrulez::{FullHelp, Ping, ShortHelp},
-    Command, CommandExt, Commands, Context, Info, Propagate,
+    CommandExt, Commands, Context, Propagate,
 };
 use euphoxide_client::MultiClient;
 use log::error;
 use tokio::sync::mpsc;
 
-struct Pyramid;
-
-#[async_trait]
-impl Command for Pyramid {
-    fn info(&self, _ctx: &Context) -> Info {
-        Info::new().with_description("build a pyramid")
-    }
-
-    async fn execute(
-        &self,
-        _arg: &str,
-        msg: &Message,
-        ctx: &Context,
-    ) -> euphoxide::Result<Propagate> {
-        let mut parent = msg.id;
-
-        for _ in 0..3 {
-            let first = ctx.reply(parent, "brick").await?;
-            ctx.reply_only(parent, "brick").await?;
-            parent = first.await?.0.id;
-            tokio::time::sleep(Duration::from_secs(1)).await;
-        }
+async fn pyramid(_arg: &str, msg: &Message, ctx: &Context) -> euphoxide::Result<Propagate> {
+    let mut parent = msg.id;
 
+    for _ in 0..3 {
+        let first = ctx.reply(parent, "brick").await?;
         ctx.reply_only(parent, "brick").await?;
-        Ok(Propagate::No)
+        parent = first.await?.0.id;
+        tokio::time::sleep(Duration::from_secs(1)).await;
     }
+
+    ctx.reply_only(parent, "brick").await?;
+    Ok(Propagate::No)
 }
 
 #[tokio::main]
@@ -56,7 +42,12 @@ async fn main() {
                 .specific("help")
                 .hidden(),
         )
-        .then(Pyramid.general("pyramid"))
+        .then(
+            FromHandler::new(pyramid)
+                .described()
+                .with_description("build a pyramid")
+                .general("pyramid"),
+        )
         .build();
 
     let clients = MultiClient::new(event_tx);