impl auto guild_id parser, auto command registration && some fixes

.env.example

@@ -1,3 +1 @@
-BOT_ID=123
 BOT_TOKEN=YOUR-BOT-TOKEN
-GUILD_ID=321

src/commands/id.rs

@@ -6,7 +6,7 @@ pub fn run(options: &[ResolvedOption]) -> String {
         value: ResolvedValue::User(user, _), ..
     }) = options.first()
     {
-        format!("{}'s id is {}", user.tag(), user.id)
+        format!("**{}**'s id is `{}`", user.tag(), user.id)
     } else {
         "Please provide a valid user".to_string()
     }

src/config.rs

@@ -1,7 +1,3 @@
-use serenity::model::id::UserId;
-
 pub struct Config {
-    pub bot_id: UserId,
     pub bot_token: String,
-    pub guild_id: u64,
 }

src/main.rs

@@ -9,8 +9,6 @@ use serenity::model::application::Interaction;
 use serenity::model::gateway::Ready;
 use serenity::model::channel::Message;
 use serenity::model::user::OnlineStatus;
-use serenity::model::id::GuildId;
-use serenity::model::id::UserId;
 use serenity::gateway::ActivityData;
 use serenity::prelude::*;
 use tracing::{warn, error, info};
@@ -18,18 +16,24 @@ use tracing::{warn, error, info};
 mod config;
 use config::Config;
 
-struct Handler {
-    config: Config,
-}
+struct Handler;
 
 #[async_trait]
 impl EventHandler for Handler {
 
     async fn message(&self, ctx: Context, msg: Message) {
-        if msg.content == ":3" && msg.author.id != self.config.bot_id {
+        if msg.author.id == ctx.http.get_current_user().await.unwrap().id {
+            return;
+        }
+
+        if msg.content.contains(":3") {
             if let Err(why) = msg.channel_id.say(&ctx.http, ":3").await {
                 error!("Error sending message: {why:?}");
             }
+        } else if msg.content.contains("ахуел") {
+            if let Err(why) = msg.channel_id.say(&ctx.http, "а я х*й не ел").await {
+                error!("Error sending message: {why:?}");
+            }
         }
     } 
 
@@ -53,17 +57,21 @@ impl EventHandler for Handler {
     }
 
     async fn ready(&self, ctx: Context, ready: Ready) {
-        info!("{} is connected!", ready.user.name);
+        info!("{} is started!", ready.user.name);
 
-        let guild_id = GuildId::new(self.config.guild_id);
+        let guilds = ready.guilds;
 
-        let _commands = guild_id.set_commands(
-            &ctx.http,
-            vec![
-                commands::ping::register(),
-                commands::id::register(),
-            ]
-        ).await;
+        for guild_id in guilds {
+            guild_id.id.set_commands(
+                &ctx.http,
+                vec![
+                    commands::ping::register(),
+                    commands::id::register(),
+                ]
+            )
+            .await
+            .expect("failed to create application command");
+        }
 
         ctx.set_presence(
             Some(ActivityData::playing("/help")),
@@ -79,18 +87,6 @@ async fn main() {
 
     dotenv().ok();
 
-    let bot_id = UserId::new(
-        env::var("BOT_ID")
-            .expect("BOT_ID не найден")
-            .parse()
-            .expect("Неверный формат BOT_ID")
-    );
-
-    let guild_id = env::var("GUILD_ID")
-        .expect("GUILD_ID не найден")
-        .parse()
-        .expect("Неверный формат GUILD_ID");
-
     let bot_token = env::var("BOT_TOKEN")
         .expect("BOT_TOKEN не найден")
         .parse()
@@ -98,9 +94,7 @@ async fn main() {
 
 
     let config = Config {
-        bot_id: bot_id,
         bot_token: bot_token,
-        guild_id: guild_id,
     };
 
     let intents = GatewayIntents::GUILD_MESSAGES
@@ -109,7 +103,7 @@ async fn main() {
 
     let token = &config.bot_token;
     let mut client = Client::builder(token, intents)
-        .event_handler(Handler { config })
+        .event_handler(Handler)
         .await
         .expect("Error creating client");