Improved message handling

+ Messages broadcast to all channels are now all started in "parallel"
+ This should improve message times to all channels, especially when there are many players
+ Start of the logic needed for having multiple deputy bots and one chief bot
+ clippy + fmt

Cargo.lock

@@ -321,6 +321,7 @@ checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
 dependencies = [
  "futures-channel",
  "futures-core",
+ "futures-executor",
  "futures-io",
  "futures-sink",
  "futures-task",
@@ -343,12 +344,34 @@ version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
 
+[[package]]
+name = "futures-macro"
+version = "0.3.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.21"
@@ -370,6 +393,7 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-io",
+ "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
@@ -1750,6 +1774,7 @@ version = "0.2.0"
 dependencies = [
  "chrono",
  "config",
+ "futures",
  "rand 0.8.5",
  "regex",
  "serde",

Cargo.toml

@@ -13,6 +13,7 @@ serde = "1.0.136"
 rand = "0.8.5"
 toml = "0.5.8"
 regex = "1.5.5"
+futures = "0.3.21"
 
 [dependencies.serenity]
 version = "0.10.10"

src/discord/helper.rs

@@ -1,7 +1,7 @@
 use serenity::client::Context;
 use serenity::framework::standard::Args;
 use serenity::http::AttachmentType;
-use serenity::model::channel::{PermissionOverwrite, PermissionOverwriteType};
+use serenity::model::channel::{Message, PermissionOverwrite, PermissionOverwriteType};
 use serenity::model::guild::{Guild, Member};
 use serenity::model::id::{ChannelId, UserId};
 use serenity::model::Permissions;
@@ -13,6 +13,7 @@ use crate::game::global_data::GlobalData;
 use crate::game::player_data::PlayerData;
 use crate::game::MessageSource;
 use crate::{error, game};
+use serenity::prelude::SerenityError;
 
 pub async fn send_msg_to_player_channels(
     ctx: &Context,
@@ -23,20 +24,25 @@ pub async fn send_msg_to_player_channels(
     attachment: Option<Vec<AttachmentType<'_>>>,
     pin: bool,
 ) -> error::Result<()> {
-    for player_data in &global_data.game_state_mut()?.player_data {
-        if let MessageSource::Player(channel_id) = msg_source {
-            if channel_id == player_data.channel {
-                continue;
+    let msg_tasks = global_data
+        .game_state_mut()?
+        .player_data
+        .iter()
+        .filter(|player_data| {
+            if let MessageSource::Player(channel_id) = msg_source {
+                if channel_id == player_data.channel {
+                    return false;
+                }
             }
-        }
+            true
+        })
+        .map(|player_data| {
+            let channel = guild
+                .channels
+                .get(&ChannelId::from(player_data.channel))
+                .unwrap();
 
-        let channel = guild
-            .channels
-            .get(&ChannelId::from(player_data.channel))
-            .unwrap();
-
-        let msg = channel
-            .send_message(&ctx.http, |m| {
+            channel.send_message(&ctx.http, |m| {
                 m.content(&msg);
 
                 if let Some(attachment) = attachment.clone() {
@@ -45,12 +51,24 @@ pub async fn send_msg_to_player_channels(
 
                 m
             })
-            .await?;
+        });
 
-        if pin {
-            // pin system messages
-            msg.pin(&ctx.http).await?;
-        }
+    let msgs: Result<Vec<Message>, SerenityError> = futures::future::join_all(msg_tasks)
+        .await
+        .into_iter()
+        .collect();
+
+    let msgs = msgs?;
+
+    if pin {
+        let pin_tasks = msgs.iter().map(|msg| msg.pin(&ctx.http));
+
+        let pins: Result<(), SerenityError> = futures::future::join_all(pin_tasks)
+            .await
+            .into_iter()
+            .collect();
+
+        pins?;
     }
 
     let host_channel = guild