feat: set lang

migrations/00006_guild_lang.sql

@@ -0,0 +1 @@
+alter table guilds add column lang text not null default 'ko';

src/bot/commands.rs

@@ -1,24 +1,46 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, str::FromStr};
 
-use anyhow::anyhow;
+use anyhow::{Context as _, anyhow, bail};
 use serenity::all::{
     CommandInteraction, CommandOptionType, CommandType, Context, CreateCommand,
     CreateCommandOption, CreateComponent, CreateContainer, CreateContainerComponent,
     CreateInputText, CreateInteractionResponseMessage, CreateLabel, CreateModal,
     CreateModalComponent, CreateTextDisplay, InputTextStyle, MessageFlags, Permissions,
-    ResolvedTarget,
+    ResolvedTarget, ResolvedValue,
 };
 
-use crate::handler::{Handler, get_guild};
+use crate::{
+    handler::{Handler, get_guild},
+    lang::{Lang, ParseLocale},
+};
 
 pub fn config_command() -> CreateCommand<'static> {
     CreateCommand::new("starboard")
-        .description("스타보드 설정")
-        .add_option(CreateCommandOption::new(
+        .description("Configure starboard")
+        .description_localized("ko", "스타보드 설정")
+        .add_option(
+            CreateCommandOption::new(
                 CommandOptionType::SubCommand,
                 "script",
-            "스크립트 수정",
-        ))
+                "Edit starboard script",
+            )
+            .description_localized("ko", "스크립트 설정"),
+        )
+        .add_option(
+            CreateCommandOption::new(CommandOptionType::SubCommand, "lang", "Change language")
+                .description_localized("ko", "이 서버에 대한 언어 변경")
+                .add_sub_option(
+                    CreateCommandOption::new(
+                        CommandOptionType::String,
+                        "lang",
+                        "Set language for this server",
+                    )
+                    .description_localized("ko", "사용할 언어 선택")
+                    .add_string_choice("한국어", "ko")
+                    .add_string_choice("English", "en")
+                    .required(true),
+                ),
+        )
         .default_member_permissions(Permissions::ADMINISTRATOR)
 }
 
@@ -51,7 +73,7 @@ impl Handler {
                     &ctx.http,
                     serenity::all::CreateInteractionResponse::Message(
                         CreateInteractionResponseMessage::new()
-                            .content("관리자 권한이 필요합니다")
+                            .content(interaction.locale().admin_required())
                             .ephemeral(true),
                     ),
                 )
@@ -59,7 +81,9 @@ impl Handler {
             return Ok(());
         }
 
-        for option in interaction.data.options() {
+        debug!("got options: {:?}", &interaction.data.options());
+
+        if let Some(option) = interaction.data.options().first() {
             if option.name == "script" {
                 let script = get_guild(&self.db, guild_id)
                     .await?
@@ -84,8 +108,9 @@ impl Handler {
 
 예시 스크립트:
 ```rs
-if reactions["⭐"] >= 3 || removed {
-    return result("0000000000000000000", reactions["⭐"], "⭐")
+let emoji = "⭐";
+if reactions[emoji] >= 3 || removed {
+    return result("0000000000000000000", reactions[emoji], emoji)
 }
 ```"#,
                                 )),
@@ -99,6 +124,41 @@ if reactions["⭐"] >= 3 || removed {
                         ),
                     )
                     .await?;
+                return Ok(());
+            } else if option.name == "lang" {
+                let lang = Some(&option.value)
+                    .and_then(|x| match x {
+                        ResolvedValue::SubCommand(value) => Some(value),
+                        _ => None,
+                    })
+                    .and_then(|x| x.first())
+                    .filter(|x| x.name == "lang")
+                    .and_then(|x| match x.value {
+                        ResolvedValue::String(x) => Some(x),
+                        _ => None,
+                    })
+                    .context("lang option not found")?;
+
+                let Ok(lang) = Lang::from_str(lang) else {
+                    bail!("unknown lang value");
+                };
+
+                sqlx::query(
+                    "insert into guilds (id, lang) values ($1, $2) on conflict (id) do update set lang = excluded.lang",
+                ).bind(guild_id.to_string())
+                .bind(lang)
+                .execute(&self.db).await?;
+
+                interaction
+                    .create_response(
+                        &ctx.http,
+                        serenity::all::CreateInteractionResponse::Message(
+                            CreateInteractionResponseMessage::new()
+                                .content(interaction.locale().lang_changed(lang))
+                                .ephemeral(true),
+                        ),
+                    )
+                    .await?;
             }
         }
 

src/bot/db.rs

@@ -1,9 +1,12 @@
 use sqlx::prelude::FromRow;
 
+use crate::lang::Lang;
+
 #[derive(Debug, FromRow)]
 pub struct GuildRow {
     // pub id: String,
     pub script: Option<String>,
+    pub lang: Lang,
 }
 
 #[derive(Debug, FromRow)]

src/bot/handler.rs

@@ -235,7 +235,7 @@ impl Handler {
             ctx.cache
                 .guild(guild_id)
                 .as_ref()
-                .and_then(|x| x.channel(channel_id).clone())
+                .and_then(|x| x.channel(channel_id))
         );
 
         let channel = channel_id
@@ -379,10 +379,11 @@ impl Handler {
 
         components.push(CreateComponent::TextDisplay(CreateTextDisplay::new(
             format!(
-                "-# {} {} · [원본 메시지]({})",
+                "-# {} {} · [{original_message}]({})",
                 result.icon,
                 result.count,
-                msg.link().to_string()
+                msg.link(),
+                original_message = guild.lang.to_locale().original_message()
             ),
         )));
 
@@ -434,26 +435,22 @@ pub async fn get_guild(
     executor: impl PgExecutor<'_>,
     id: GuildId,
 ) -> anyhow::Result<Option<GuildRow>> {
-    Ok(
     sqlx::query_as::<_, GuildRow>("select * from guilds where id = $1")
         .bind(id.to_string())
         .fetch_optional(executor)
         .await
-            .context("failed to get guild data from db")?,
-    )
+        .context("failed to get guild data from db")
 }
 
 async fn get_message(
     executor: impl PgExecutor<'_>,
     message_id: MessageId,
 ) -> anyhow::Result<Option<MessageRow>> {
-    Ok(
     sqlx::query_as::<_, MessageRow>("select * from messages where message_id = $1")
         .bind(message_id.to_string())
         .fetch_optional(executor)
         .await
-            .context("failed to get message data from db")?,
-    )
+        .context("failed to get message data from db")
 }
 
 async fn get_or_create_webhook(

src/bot/lang.rs

@@ -0,0 +1,81 @@
+use std::str::FromStr;
+
+use serenity::all::CommandInteraction;
+
+#[derive(sqlx::Type, Debug, Clone, Copy, PartialEq, Eq, Default)]
+#[sqlx(rename_all = "snake_case", type_name = "TEXT")]
+pub enum Lang {
+    #[default]
+    Ko,
+    En,
+}
+
+impl Lang {
+    pub fn to_locale(self) -> Box<dyn Locale> {
+        match self {
+            Lang::Ko => Box::new(Korean),
+            Lang::En => Box::new(English),
+        }
+    }
+}
+
+pub trait ParseLocale {
+    fn locale(&self) -> Box<dyn Locale>;
+}
+
+impl ParseLocale for CommandInteraction {
+    fn locale(&self) -> Box<dyn Locale> {
+        Lang::from_str(&self.locale).unwrap_or_default().to_locale()
+    }
+}
+
+impl FromStr for Lang {
+    type Err = ();
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "ko" => Ok(Lang::Ko),
+            "en" => Ok(Lang::En),
+            _ => Err(()),
+        }
+    }
+}
+
+pub trait Locale: Send + Sync {
+    fn original_message(&self) -> &'static str;
+    fn admin_required(&self) -> &'static str;
+
+    fn lang_changed(&self, new_lang: Lang) -> String;
+}
+
+struct Korean;
+
+impl Locale for Korean {
+    fn original_message(&self) -> &'static str {
+        "원본 메시지"
+    }
+
+    fn lang_changed(&self, new_lang: Lang) -> String {
+        format!("서버 언어가 {new_lang:?}(으)로 변경되었습니다")
+    }
+
+    fn admin_required(&self) -> &'static str {
+        "관리자 권한이 필요합니다"
+    }
+}
+
+struct English;
+
+impl Locale for English {
+    fn original_message(&self) -> &'static str {
+        "Original Message"
+    }
+
+    fn lang_changed(&self, new_lang: Lang) -> String {
+        format!("Server language changed to {new_lang:?}")
+    }
+
+    fn admin_required(&self) -> &'static str {
+        "Administrator permission is required"
+    }
+}

src/bot/main.rs

@@ -20,6 +20,7 @@ mod commands;
 mod config;
 mod db;
 mod handler;
+mod lang;
 mod modal;
 
 #[macro_use]