feat: unset a channel as a logger

Closes #3

src/db/mod.rs

@@ -39,7 +39,9 @@ WHERE guild_id = ?1
         .fetch_all(&self.pool)
         .await
         .map_err(|e| {
-            error!("Error getting logging channels for guild {guild_id}: {e:?}");
+            error!(
+                "Error getting logging channels for guild {guild_id}: {e:?}"
+            );
             e
         })?;
         Ok(channels.iter().map(|id| id.channel_id as u64).collect())
@@ -70,4 +72,27 @@ VALUES ( ?1, ?2 )
         })
         .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

@@ -2,21 +2,23 @@ use super::{Context, Error};
 
 use super::utils::serenity;
 
+type Result = ::std::result::Result<(), Error>;
+
 #[allow(clippy::unused_async)]
 #[poise::command(
     slash_command,
-    subcommands("add_channel", "list_channels"),
+    subcommands("add_channel", "list_channels", "remove_channel"),
     required_permissions = "ADMINISTRATOR"
 )]
-pub async fn logging(_ctx: Context<'_>) -> Result<(), Error> {
+pub async fn logging(_ctx: Context<'_>) -> Result {
     Ok(())
 }
 
-#[poise::command(slash_command, aliases("add-channel"))]
+#[poise::command(slash_command)]
 pub async fn add_channel(
     ctx: Context<'_>,
     #[description = "New logging channel"] channel: serenity::Channel,
-) -> Result<(), Error> {
+) -> Result {
     let channel_id = channel.id();
     let response = match ctx.guild_id() {
         None => "Error: Could not determine the guild's ID".to_owned(),
@@ -50,12 +52,13 @@ pub async fn add_channel(
     Ok(())
 }
 
-#[poise::command(slash_command, aliases("list-channels"))]
-pub async fn list_channels(ctx: Context<'_>) -> Result<(), Error> {
+#[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_channel(guild_id).await {
+                Err(e) => format!("Could not retrieve loggers: {e:?}"),
                 Ok(channels) => {
                     if channels.is_empty() {
                         "No channels registered as loggers".to_owned()
@@ -70,7 +73,34 @@ pub async fn list_channels(ctx: Context<'_>) -> Result<(), Error> {
                         )
                     }
                 }
-                Err(e) => format!("Could not retrieve loggers: {e:?}"),
+            }
+        }
+    };
+    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:?}")
+                }
             }
         }
     };