Cargo.lock

@@ -1121,7 +1121,7 @@ checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
 
 [[package]]
 name = "p4bl0t"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "color-eyre",
  "dotenvy",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "p4bl0t"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2021"
 authors = ["Lucien Cartier-Tilet <lucien@phundrak.com>"]
 license-file = "LICENSE.md"
@@ -11,8 +11,6 @@ repository = "https://github.com/phundrak/p4bl0t"
 keywords = ["discord", "bot", "logging"]
 publish = false
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 color-eyre = "0.6.2"
 dotenvy = "0.15.7"

migrations/20231122220824_guild_log_channels.sql

@@ -1,6 +1,14 @@
 -- Add migration script here
+
+-- Discord IDs are kept as INTEGERs and not unsigned INTEGERs despite
+-- their Rust type being u64. In order to properly manage them, you'll
+-- need to cast any u64 to i64 with `as i64` before writing them to
+-- the database, and cast any i64 to u64 with `as u64` when reading
+-- them from the database. This operation is noop in Rust and should
+-- therefore not cost a single CPU cycle.
 CREATE TABLE IF NOT EXISTS guild_log_channels (
-       guild_id TEXT PRIMARY KEY,
-       channel_id TEXT NOT NULL,
+       guild_id INTEGER NOT NULL,
+       channel_id INTEGER NOT NULL,
        UNIQUE(guild_id, channel_id)
 );
+CREATE INDEX IF NOT EXISTS guild_log_channels_guild_id ON guild_log_channels(guild_id);

src/db.rs

@@ -1,59 +0,0 @@
-use std::env;
-
-use sqlx::SqlitePool;
-
-pub struct Database {
-    pool: SqlitePool,
-}
-
-impl Database {
-    pub async fn new() -> color_eyre::Result<Self> {
-        Ok(Self {
-            pool: SqlitePool::connect(&env::var("DATABASE_URL")?).await?,
-        })
-    }
-
-    pub async fn get_logging_channel(
-        &self,
-        guild_id: u64,
-    ) -> color_eyre::Result<Vec<u64>> {
-        let guild_str = guild_id.to_string();
-        let channels = sqlx::query!(
-            r#"
-SELECT channel_id
-FROM guild_log_channels
-WHERE guild_id = ?1
-            "#,
-            guild_str
-        )
-        .fetch_all(&self.pool)
-        .await?;
-        Ok(channels
-            .iter()
-            .map(|id| id.channel_id.parse::<u64>().unwrap())
-            .collect())
-    }
-
-    pub async fn set_logging_channel(
-        &self,
-        guild_id: u64,
-        channel_id: u64,
-    ) -> color_eyre::Result<()> {
-        let guild_str = guild_id.to_string();
-        let channel_str = channel_id.to_string();
-        let mut conn = self.pool.acquire().await?;
-
-        sqlx::query!(
-            r#"
-INSERT INTO guild_log_channels (guild_id, channel_id)
-VALUES ( ?1, ?2 )
-            "#,
-            guild_str,
-            channel_str
-        )
-        .execute(&mut *conn)
-        .await?
-        .last_insert_rowid();
-        Ok(())
-    }
-}

src/db/mod.rs

@@ -0,0 +1,98 @@
+#![allow(clippy::cast_possible_wrap, clippy::cast_sign_loss)]
+
+use std::env;
+
+use poise::serenity_prelude::{ChannelId, GuildId};
+use sqlx::SqlitePool;
+use tracing::error;
+
+pub type Result<T> = ::std::result::Result<T, sqlx::Error>;
+
+pub struct Database {
+    pool: SqlitePool,
+}
+
+impl Database {
+    pub async fn new() -> Result<Self> {
+        Ok(Self {
+            pool: SqlitePool::connect(
+                &env::var("DATABASE_URL")
+                    .expect("Missing enviroment variable DATABASE_URL"),
+            )
+            .await?,
+        })
+    }
+
+    pub async fn get_logging_channels(
+        &self,
+        guild_id: GuildId,
+    ) -> Result<Vec<u64>> {
+        let guild_id = guild_id.0 as i64;
+        let channels = sqlx::query!(
+            r#"
+SELECT channel_id
+FROM guild_log_channels
+WHERE guild_id = ?1
+            "#,
+            guild_id
+        )
+        .fetch_all(&self.pool)
+        .await
+        .map_err(|e| {
+            error!(
+                "Error getting logging channels for guild {guild_id}: {e:?}"
+            );
+            e
+        })?;
+        Ok(channels.iter().map(|id| id.channel_id as u64).collect())
+    }
+
+    pub async fn set_logging_channel(
+        &self,
+        guild_id: GuildId,
+        channel_id: ChannelId,
+    ) -> Result<()> {
+        let guild_id = guild_id.0 as i64;
+        let channel_id = channel_id.0 as i64;
+        let mut conn = self.pool.acquire().await?;
+
+        sqlx::query!(
+            r#"
+INSERT INTO guild_log_channels (guild_id, channel_id)
+VALUES ( ?1, ?2 )
+            "#,
+            guild_id,
+            channel_id
+        )
+        .execute(&mut *conn)
+        .await
+        .map_err(|e| {
+            error!("Error setting channel {channel_id} as logger for guild {guild_id}: {e:?}");
+            e
+        })
+        .map(|_| ())
+    }
+
+    pub async fn remove_logging_channel(
+        &self,
+        guild_id: GuildId,
+        channel_id: ChannelId,
+    ) -> Result<()> {
+        let guild_id = guild_id.0 as i64;
+        let channel_id = channel_id.0 as i64;
+        let mut conn = self.pool.acquire().await?;
+        sqlx::query!(r#"
+DELETE FROM guild_log_channels
+WHERE guild_id = ?1 AND channel_id = ?2
+                     "#,
+                     guild_id,
+                     channel_id)
+            .execute(&mut *conn)
+            .await
+            .map_err(|e| {
+                error!("Error removing channel {channel_id} as a logger for guild {guild_id}: {e:?}");
+                e
+            })
+            .map(|_| ())
+    }
+}

src/discord/commands.rs

@@ -1,17 +1,105 @@
-use super::{Context, Error};
+use super::{Context, Result};
 
 use super::utils::serenity;
 
+#[allow(clippy::unused_async)]
+#[poise::command(
+    slash_command,
+    subcommands("add_channel", "list_channels", "remove_channel"),
+    required_permissions = "ADMINISTRATOR"
+)]
+pub async fn logging(_ctx: Context<'_>) -> Result {
+    Ok(())
+}
+
 #[poise::command(slash_command)]
-pub async fn add_logging_channel(
+pub async fn add_channel(
     ctx: Context<'_>,
-    #[description = "Selected channel"] channel: Option<serenity::Channel>,
-) -> Result<(), Error> {
-    let response = match channel {
-        None => "No channel selected. Please select one.".to_owned(),
-        Some(chan) => {
-            let channel_id = chan.id();
-            format!("Selected channel <#{channel_id}>")
+    #[description = "New logging channel"] channel: serenity::Channel,
+) -> Result {
+    let channel_id = channel.id();
+    let response = match ctx.guild_id() {
+        None => "Error: Could not determine the guild's ID".to_owned(),
+        Some(guild_id) => {
+            match ctx
+                .data()
+                .database
+                .set_logging_channel(guild_id, channel_id)
+                .await
+            {
+                Ok(()) => format!(
+                    "Added channel <#{channel_id}> as a logging channel"
+                ),
+                Err(e) => {
+                    if let Some(db_error) = e.as_database_error() {
+                        if db_error.is_unique_violation() {
+                            format!("Channel <#{channel_id}> is already a logging channel")
+                        } else {
+                            format!("Error: {e:?}")
+                        }
+                    } else {
+                        format!(
+                            "Something bad happened with the database: {e:?}"
+                        )
+                    }
+                }
+            }
+        }
+    };
+    ctx.say(response).await?;
+    Ok(())
+}
+
+#[poise::command(slash_command)]
+pub async fn list_channels(ctx: Context<'_>) -> Result {
+    let response = match ctx.guild_id() {
+        None => "Error: Could not determine the guild's ID".to_owned(),
+        Some(guild_id) => {
+            match ctx.data().database.get_logging_channels(guild_id).await {
+                Err(e) => format!("Could not retrieve loggers: {e:?}"),
+                Ok(channels) => {
+                    if channels.is_empty() {
+                        "No channels registered as loggers".to_owned()
+                    } else {
+                        format!(
+                            "Here are the channels currently set as loggers:\n{}",
+                            channels
+                                .iter()
+                                .map(|channel| format!("- <#{channel}>"))
+                                .collect::<Vec<String>>()
+                                .join("\n")
+                        )
+                    }
+                }
+            }
+        }
+    };
+    ctx.say(response).await?;
+    Ok(())
+}
+
+#[poise::command(slash_command)]
+pub async fn remove_channel(
+    ctx: Context<'_>,
+    #[description = "Logger channel to remove"] channel: serenity::Channel,
+) -> Result {
+    let channel_id = channel.id();
+    let response = match ctx.guild_id() {
+        None => "Error: Could not determine the guild's ID".to_owned(),
+        Some(guild_id) => {
+            match ctx
+                .data()
+                .database
+                .remove_logging_channel(guild_id, channel_id)
+                .await
+            {
+                Ok(()) => {
+                    format!("Removed channel <#{channel_id}> as a logger")
+                }
+                Err(e) => {
+                    format!("Could not remove channel as a logger: {e:?}")
+                }
+            }
         }
     };
     ctx.say(response).await?;

src/discord/events.rs

@@ -0,0 +1,72 @@
+use crate::db::Database;
+
+use super::{utils::BotData, Error, Result};
+
+use poise::{serenity_prelude as serenity, Event};
+use tracing::{error, info};
+
+async fn handle_everyone_mention(
+    ctx: &serenity::Context,
+    database: &Database,
+    message: &serenity::Message,
+) -> Result {
+    use serenity::ChannelId;
+    if let Some(guild_id) = message.guild_id {
+        if message.mention_everyone {
+            let author = message.author.clone();
+            let message_channel = message.channel_id;
+            let channels: Vec<ChannelId> = database
+                .get_logging_channels(guild_id)
+                .await?
+                .iter()
+                .map(|channel_id| serenity::ChannelId(channel_id.to_owned()))
+                .collect();
+            for channel in &channels {
+                channel
+                    .send_message(&ctx, |m| {
+                        m.embed(|e| {
+                            e.title("Someone mentioned everyone!")
+                                .field("Author", author.clone(), true)
+                                .field(
+                                    "When",
+                                    message.timestamp.naive_local().to_string(),
+                                    true,
+                                )
+                                .field(
+                                    "Channel",
+                                    format!("<#{message_channel}>"),
+                                    true,
+                                )
+                                .field("Link", format!("https://discord.com/channels/{guild_id}/{}/{}", channel.0, message.id), false)
+                        })
+                    })
+                    .await
+                    .map_err(|e| {
+                        error!("Failed to send message: {e:?}");
+                        e
+                    })?;
+            }
+        }
+    } else {
+        error!("Could not determine guild id of message {message:?}");
+    }
+    Ok(())
+}
+
+pub async fn event_handler(
+    ctx: &serenity::Context,
+    event: &Event<'_>,
+    _framework: poise::FrameworkContext<'_, BotData, Error>,
+    data: &BotData,
+) -> Result {
+    match event {
+        Event::Ready { data_about_bot } => {
+            info!("Logged in as {}", data_about_bot.user.name);
+        }
+        Event::Message { new_message } => {
+            handle_everyone_mention(ctx, &data.database, new_message).await?;
+        }
+        _ => {}
+    }
+    Ok(())
+}

src/discord/mod.rs

@@ -5,14 +5,20 @@ pub mod utils;
 use poise::FrameworkBuilder;
 use utils::serenity;
 
-use commands::add_logging_channel;
+use commands::logging;
 use utils::{BotData, Context, Error};
 
-pub async fn make_bot() -> color_eyre::Result<FrameworkBuilder<BotData, Error>>
-{
-    let framework = poise::Framework::builder()
+use self::events::event_handler;
+
+pub type Result = ::std::result::Result<(), Error>;
+
+pub fn make_bot() -> FrameworkBuilder<BotData, Error> {
+    poise::Framework::builder()
         .options(poise::FrameworkOptions {
-            commands: vec![add_logging_channel()],
+            commands: vec![logging()],
+            event_handler: |ctx, event, framework, data| {
+                Box::pin(event_handler(ctx, event, framework, data))
+            },
             ..Default::default()
         })
         .token(std::env::var("DISCORD_TOKEN").expect("missing DISCORD_TOKEN"))
@@ -26,6 +32,5 @@ pub async fn make_bot() -> color_eyre::Result<FrameworkBuilder<BotData, Error>>
                 .await?;
                 Ok(BotData::new().await?)
             })
-        });
-    Ok(framework)
+        })
 }

src/discord/utils.rs

@@ -2,7 +2,7 @@ use crate::db::Database;
 
 pub use poise::serenity_prelude as serenity;
 pub struct BotData {
-    database: Database,
+    pub database: Database,
 }
 
 impl BotData {

src/main.rs

@@ -1,3 +1,5 @@
+#![warn(clippy::style, clippy::pedantic)]
+
 mod utils;
 mod db;
 mod discord;
@@ -10,7 +12,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
     color_eyre::install()?;
     utils::setup_logging();
 
-    let bot = discord::make_bot().await?;
+    let bot = discord::make_bot();
     bot.run().await?;
 
     Ok(())

src/utils.rs

@@ -3,7 +3,7 @@ use tracing_subscriber::FmtSubscriber;
 
 pub fn setup_logging() {
     let subscriber = FmtSubscriber::builder()
-        .with_max_level(Level::DEBUG)
+        .with_max_level(Level::INFO)
         .finish();
     tracing::subscriber::set_global_default(subscriber)
         .expect("Setting default subscriber failed");