improve desu

src/passive/fufufu.rs

@@ -1,19 +1,39 @@
-use crate::simple_responder;
+use futures::future::BoxFuture;
 use lazy_static::lazy_static;
 use regex::Regex;
 use serenity::async_trait;
 use serenity::model::channel::Message;
 use serenity::prelude::{Context, EventHandler};
 
-// Yes, the blocks are necessary, rustc is bugged; check macro declaration
-// for more info.
-simple_responder!(FufufuResponder, r"(?:[fF][uU]){3,}", { get_desu() });
+lazy_static! {
+    static ref REGEX: Regex = Regex::new("(?:[fF][uU]){3,}").unwrap();
+}
 
-const DESU_STRINGS: &[&str] = &[
-    "です。",
-    "desu~",
-    "desu.",
-    r#"
+pub(crate) struct FufufuResponder;
+
+#[async_trait]
+impl EventHandler for FufufuResponder {
+    async fn message(&self, ctx: Context, message: Message) {
+        if REGEX.is_match(&message.content_safe(ctx.clone()).await) {
+            use rand::seq::SliceRandom;
+            use rand::thread_rng;
+            let random_action = DESU_ACTIONS.choose(&mut thread_rng()).unwrap().clone();
+            let random_action = random_action(ctx, message);
+            random_action.await.unwrap();
+        }
+    }
+}
+
+type DesuAction<'r, T> = &'r (dyn Fn(Context, Message) -> T + Sync);
+
+const DESU_ACTIONS: &[DesuAction<BoxFuture<Result<Message, serenity::Error>>>] = &[
+    &|ctx, msg| Box::pin(msg.channel_id.say(ctx, "です。")),
+    &|ctx, msg| Box::pin(msg.channel_id.say(ctx, "desu~")),
+    &|ctx, msg| Box::pin(msg.channel_id.say(ctx, "desu.")),
+    &|ctx, msg| {
+        Box::pin(msg.channel_id.say(
+            ctx,
+            r#"
 ```
 ででででででででででで　　　　　　すす
 　　　　　ででで　　　　　すすすすすすすすす
@@ -25,16 +45,22 @@ const DESU_STRINGS: &[&str] = &[
 　　　　でで　　　　　　　　　　すす
 　　　　　でで　　　　　　　　すす
 ```"#,
+        ))
+    },
+    &|ctx, msg| {
+        // https://imgur.com/a/yOb5n
+        // One day.
+        Box::pin(
+            msg.channel_id
+                .say(ctx, "https://www.youtube.com/watch?v=60mLvBWOMb4"),
+        )
+    },
+    &|ctx, msg| {
+        Box::pin(msg.channel_id.send_message(ctx, |m| {
+            m.add_file(serenity::http::AttachmentType::Bytes {
+                data: std::borrow::Cow::from(&include_bytes!("../desu.jpg")[..]),
+                filename: "desu.jpg".to_string(),
+            })
+        }))
+    },
 ];
-
-fn get_desu() -> &'static str {
-    use rand::seq::SliceRandom;
-    use rand::thread_rng;
-
-    DESU_STRINGS.choose(&mut thread_rng()).unwrap()
-    // // https://imgur.com/a/yOb5n
-    // messageList.add(channel -> channel.sendMessage(new MessageBuilder()
-    //         .setContent("https://www.youtube.com/watch?v=60mLvBWOMb4").build()));
-    // messageList.add(channel -> channel.sendFile(Desu.class.getResourceAsStream("/desu/desu.jpg"), "desu.jpg"));
-    // messageList.add(channel -> channel.sendMessage("desu~"));
-}

src/passive/mod.rs

@@ -1,6 +1,7 @@
 use ahhhh::YellResponder;
 use best_doctor::BestDoctorResponder;
 use fufufu::FufufuResponder;
+use reee::ReeeResponder;
 use serenity::async_trait;
 use serenity::model::channel::Message;
 use serenity::prelude::{Context, EventHandler};
@@ -8,6 +9,7 @@ use serenity::prelude::{Context, EventHandler};
 mod ahhhh;
 mod best_doctor;
 mod fufufu;
+mod reee;
 
 pub(crate) struct Handler {
     responders: Vec<Box<dyn EventHandler>>,
@@ -20,6 +22,7 @@ impl Default for Handler {
                 Box::new(BestDoctorResponder),
                 Box::new(FufufuResponder),
                 Box::new(YellResponder),
+                Box::new(ReeeResponder),
             ],
         }
     }

src/passive/reee.rs

@@ -0,0 +1,28 @@
+use lazy_static::lazy_static;
+use regex::Regex;
+use serenity::async_trait;
+use serenity::model::channel::Message;
+use serenity::prelude::{Context, EventHandler};
+
+lazy_static! {
+    static ref REGEX: Regex = Regex::new("RE{5,}").unwrap();
+}
+
+pub(crate) struct ReeeResponder;
+
+#[async_trait]
+impl EventHandler for ReeeResponder {
+    async fn message(&self, ctx: Context, message: Message) {
+        if REGEX.is_match(&message.content_safe(ctx.clone()).await) {
+            if let Some(guild_id) = message.guild_id {
+                if guild_id == 679888177951277102 {
+                    message
+                        .channel_id
+                        .say(ctx, "<:texaspat:680231475928498217>")
+                        .await
+                        .unwrap();
+                }
+            }
+        }
+    }
+}