feat: decancer user names

src/commands/configuration.rs

@@ -1,6 +1,8 @@
-use crate::{utils::load_configuration, Context, Error};
 use tracing::debug;
 
+use crate::utils::load_configuration;
+use crate::{Context, Error};
+
 #[poise::command(slash_command, prefix_command)]
 pub async fn reload(ctx: Context<'_>) -> Result<(), Error> {
     // Update the configuration

src/events/guild_member_addition.rs

@@ -0,0 +1,5 @@
+use super::*;
+
+pub async fn guild_member_addition(ctx: &serenity::Context, new_member: &serenity::Member) {
+    crate::utils::cure(ctx, new_member).await;
+}

src/events/guild_member_update.rs

@@ -0,0 +1,9 @@
+use super::*;
+
+pub async fn guild_member_update(
+    ctx: &serenity::Context,
+    _old_if_available: &Option<serenity::Member>,
+    new: &serenity::Member,
+) {
+    crate::utils::cure(ctx, new).await;
+}

src/events/mod.rs

@@ -1,8 +1,12 @@
-use poise::serenity_prelude::{self as serenity, Mutex, RwLock, ShardManager, UserId};
 use std::sync::Arc;
 
-use crate::{model::application::Configuration, Error};
+use poise::serenity_prelude::{self as serenity, Mutex, RwLock, ShardManager, UserId};
 
+use crate::model::application::Configuration;
+use crate::Error;
+
+mod guild_member_addition;
+mod guild_member_update;
 mod message_create;
 mod thread_create;
 
@@ -43,7 +47,7 @@ impl<T: Send + Sync> Handler<T> {
             bot_id: self.bot_id.read().await.unwrap(),
             options: &self.options,
             user_data: &self.data,
-            shard_manager: &(*self.shard_manager.read().await).clone().unwrap(), // Shard manager can be read between all poise events without locks
+            shard_manager: &(*self.shard_manager.read().await).clone().unwrap(), /* Shard manager can be read between all poise events without locks */
         };
         poise::dispatch_event(framework_data, ctx, event).await;
     }
@@ -59,12 +63,16 @@ impl serenity::EventHandler for Handler<Arc<RwLock<Configuration>>> {
     async fn message(&self, ctx: serenity::Context, new_message: serenity::Message) {
         message_create::message_create(&ctx, &new_message).await;
 
-        self.dispatch_poise_event(&ctx, &poise::Event::Message { new_message })
+        self.dispatch_poise_event(&ctx, &poise::Event::Message {
+            new_message,
+        })
         .await;
     }
 
     async fn interaction_create(&self, ctx: serenity::Context, interaction: serenity::Interaction) {
-        self.dispatch_poise_event(&ctx, &poise::Event::InteractionCreate { interaction })
+        self.dispatch_poise_event(&ctx, &poise::Event::InteractionCreate {
+            interaction,
+        })
         .await;
     }
 
@@ -75,20 +83,28 @@ impl serenity::EventHandler for Handler<Arc<RwLock<Configuration>>> {
         new: Option<serenity::Message>,
         event: serenity::MessageUpdateEvent,
     ) {
-        self.dispatch_poise_event(
-            &ctx,
-            &poise::Event::MessageUpdate {
+        self.dispatch_poise_event(&ctx, &poise::Event::MessageUpdate {
             old_if_available,
             new,
             event,
-            },
-        )
+        })
         .await;
     }
 
     async fn thread_create(&self, ctx: serenity::Context, thread: serenity::GuildChannel) {
         thread_create::thread_create(&ctx, &thread).await;
-        self.dispatch_poise_event(&ctx, &poise::Event::ThreadCreate { thread })
-            .await;
+    }
+
+    async fn guild_member_addition(&self, ctx: serenity::Context, new_member: serenity::Member) {
+        guild_member_addition::guild_member_addition(&ctx, &new_member).await;
+    }
+
+    async fn guild_member_update(
+        &self,
+        ctx: serenity::Context,
+        old_if_available: Option<serenity::Member>,
+        new: serenity::Member,
+    ) {
+        guild_member_update::guild_member_update(&ctx, &old_if_available, &new).await;
     }
 }

src/main.rs

@@ -1,11 +1,13 @@
-use crate::model::application::Configuration;
-use std::{env, sync::Arc};
+use std::env;
+use std::sync::Arc;
 
 use commands::configuration;
 use events::Handler;
 use poise::serenity_prelude::{self as serenity, RwLock};
 use utils::load_configuration;
 
+use crate::model::application::Configuration;
+
 mod commands;
 mod events;
 mod logger;
@@ -87,7 +89,9 @@ async fn main() {
     let mut client = serenity::Client::builder(
         env::var("DISCORD_AUTHORIZATION_TOKEN")
             .expect("Could not load Discord authorization token"),
-        serenity::GatewayIntents::non_privileged() | serenity::GatewayIntents::MESSAGE_CONTENT,
+        serenity::GatewayIntents::non_privileged()
+            | serenity::GatewayIntents::MESSAGE_CONTENT
+            | serenity::GatewayIntents::GUILD_MEMBERS,
     )
     .event_handler_arc(handler.clone())
     .await

src/utils.rs

@@ -1,7 +1,11 @@
-use poise::serenity_prelude::CreateEmbed;
+use decancer::Decancer;
+use poise::serenity_prelude::{self as serenity, CreateEmbed, RwLock};
+use tracing::info;
 
 use crate::model::application::Configuration;
 
+const DECANCER: Decancer = Decancer::new();
+
 pub(crate) fn load_configuration() -> Configuration {
     Configuration::load().expect("Failed to load configuration")
 }
@@ -30,3 +34,24 @@ impl PoiseEmbed for crate::model::application::Embed {
             .author(|a| a.name(self.author.name).icon_url(self.author.icon_url))
     }
 }
+
+pub async fn cure(ctx: &serenity::Context, member: &serenity::Member) {
+    let display_name = member.display_name();
+    let name = display_name.to_string();
+
+    let cured_user_name = DECANCER.cure(&name);
+
+    if name == cured_user_name {
+        return; // username is already cured
+    }
+
+    info!("Cured user {}", name);
+
+    member
+        .guild_id
+        .edit_member(&ctx.http, member.user.id, |edit_member| {
+            edit_member.nickname(cured_user_name)
+        })
+        .await
+        .unwrap();
+}