refactor: remove unnecessary mutex

src/commands/moderation.rs

@@ -18,7 +18,7 @@ pub async fn unmute(
     let data = &ctx.data().read().await;
     let configuration = &data.configuration;
 
-    if let Some(pending_unmute) = data.pending_unmutes.lock().await.get(&member.user.id.0) {
+    if let Some(pending_unmute) = data.pending_unmutes.get(&member.user.id.0) {
         trace!("Cancelling pending unmute for {}", member.user.id.0);
         pending_unmute.abort();
     }
@@ -82,7 +82,7 @@ pub async fn mute(
 
     let unmute_time = now + mute_duration;
 
-    let data = ctx.data().read().await;
+    let data = &mut *ctx.data().write().await;
     let configuration = &data.configuration;
     let embed_color = configuration.general.embed_color;
     let mute = &configuration.general.mute;
@@ -149,29 +149,25 @@ pub async fn mute(
             }
         };
 
-    let mut pending_unmute = data.pending_unmutes.lock().await;
-    if let Some(pending_unmute) = pending_unmute.get(&member.user.id.0) {
+    if let Some(pending_unmute) = data.pending_unmutes.get(&member.user.id.0) {
         trace!("Cancelling pending unmute for {}", member.user.id.0);
         pending_unmute.abort();
     }
 
-    let r = queue_unmute_member(
+    data.pending_unmutes.insert(
+        member.user.id.0,
+        queue_unmute_member(
             ctx.discord(),
             &data.database,
             &member,
             mute_role_id,
             mute_duration.num_seconds() as u64,
+        ),
     );
 
-    pending_unmute.insert(member.user.id.0, r);
-
     respond_mute_command(
         &ctx,
-        ModerationKind::Mute(
-            reason,
-            format!("<t:{}:F>", unmute_time.timestamp()),
-            result,
-        ),
+        ModerationKind::Mute(reason, format!("<t:{}:F>", unmute_time.timestamp()), result),
         &member.user,
         embed_color,
     )

src/events/ready.rs

@@ -8,12 +8,11 @@ use crate::utils::moderation::queue_unmute_member;
 
 pub async fn load_muted_members(ctx: &serenity::Context, _: &serenity::Ready) {
     let data = get_data_lock(ctx).await;
-    let data = data.read().await;
-    let database = &data.database;
+    let data = &mut *data.write().await;
     let mute_role_id = data.configuration.general.mute.role;
-    let mut pending_unmutes = data.pending_unmutes.lock().await;
 
-    let mut cursor = database
+    let mut cursor = data
+        .database
         .find::<Muted>(
             "muted",
             Muted {
@@ -37,11 +36,11 @@ pub async fn load_muted_members(ctx: &serenity::Context, _: &serenity::Ready) {
                 let amount_left =
                     std::cmp::max(current.expires.unwrap() as i64 - Utc::now().timestamp(), 0);
 
-                pending_unmutes.insert(
+                data.pending_unmutes.insert(
                     member.user.id.0,
                     queue_unmute_member(
                         ctx,
-                        database,
+                        &data.database,
                         &member,
                         mute_role_id,
                         amount_left as u64, // i64 as u64 is handled properly here

src/main.rs

@@ -5,7 +5,7 @@ use std::sync::Arc;
 use commands::{configuration, moderation};
 use db::database::Database;
 use events::Handler;
-use poise::serenity_prelude::{self as serenity, Mutex, RwLock, UserId};
+use poise::serenity_prelude::{self as serenity, RwLock, UserId};
 use tokio::task::JoinHandle;
 use tracing::{error, trace};
 use utils::bot::load_configuration;
@@ -29,7 +29,7 @@ impl serenity::TypeMapKey for Data {
 pub struct Data {
     configuration: Configuration,
     database: Database,
-    pending_unmutes: Mutex<HashMap<u64, JoinHandle<Option<Error>>>>,
+    pending_unmutes: HashMap<u64, JoinHandle<Option<Error>>>,
 }
 
 #[tokio::main]
@@ -71,7 +71,7 @@ async fn main() {
         )
         .await
         .unwrap(),
-        pending_unmutes: Mutex::new(HashMap::new()),
+        pending_unmutes: HashMap::new(),
     }));
 
     let handler = Arc::new(Handler::new(

src/utils/moderation.rs

@@ -10,7 +10,7 @@ pub enum ModerationKind {
     Unmute(Option<Error>),               // Error
 }
 
-pub fn queue_unmute_member(
+pub fn queue_unmute_member<'a>(
     ctx: &serenity::Context,
     database: &Database,
     member: &Member,