React ❌ to delete message; cargo clippy --fix

src/main.rs

@@ -11,7 +11,7 @@ type Context<'a> = poise::Context<'a, Data, Error>;
 pub struct Data {}
 
 use commands::{challenge::*, kanji::*, meta::*, owner::*};
-use poise::serenity_prelude as serenity;
+use poise::{serenity_prelude as serenity, Event};
 use poise::serenity_prelude::model::gateway::GatewayIntents;
 use clap::Parser;
 
@@ -45,9 +45,9 @@ impl Arguments {
             domain: env::var("DOMAIN")?,
             discord_token: env::var("DISCORD_TOKEN")?,
             prefix: env::var("PREFIX")?,
-            hugo: env::var("HUGO")?.into(),
+            hugo: env::var("HUGO")?,
             build: env::var("BUILD")?,
-            guild_data: env::var("GUILD_DATA")?.into(),
+            guild_data: env::var("GUILD_DATA")?,
         })
     }
 }
@@ -67,6 +67,24 @@ lazy_static! {
     };
 }
 
+async fn event_handler(
+    ctx: &serenity::Context,
+    event: &Event<'_>,
+    framework: poise::FrameworkContext<'_, Data, Error>,
+    _data: &Data,
+) -> Result<(), Error> {
+    if let Event::ReactionAdd { add_reaction, .. } = event {
+        if !add_reaction.emoji.unicode_eq("❌") {
+            return Ok(());
+        }
+        let message = add_reaction.message(&ctx.http).await?;
+        if message.author.id == framework.bot_id && add_reaction.user_id.map(|id| *id.as_u64() == 441283734214279178).unwrap_or(false) {
+            message.delete(&ctx.http).await?;
+        }
+    }
+    Ok(())
+}
+
 #[tokio::main]
 async fn main() {
     // Initialize the logger to use environment variables.
@@ -102,6 +120,9 @@ async fn main() {
                 hyogai(),
                 so(),
             ],
+            event_handler: |ctx, event, framework, data| {
+                Box::pin(event_handler(ctx, event, framework, data))
+            },
             prefix_options: poise::PrefixFrameworkOptions {
                 prefix: Some(ARGS.prefix.clone()),
                 ..Default::default()
@@ -113,6 +134,7 @@ async fn main() {
             GatewayIntents::GUILD_MESSAGES
                 | GatewayIntents::DIRECT_MESSAGES
                 | GatewayIntents::MESSAGE_CONTENT
+                | GatewayIntents::GUILD_MESSAGE_REACTIONS
                 | GatewayIntents::GUILDS,
         )
         .setup(move |_ctx, _ready, _framework| Box::pin(async move { Ok(Data {}) }));