turned say_lines into a method of channelid

src/commands/moderation_cmds.rs

@@ -19,7 +19,6 @@ use regex::Regex;
 use chrono_tz::Tz;
 
 use crate::{
-    consts::MAX_MESSAGE_LENGTH,
     models::{
         ChannelData,
         UserData,
@@ -27,6 +26,7 @@ use crate::{
     },
     SQLPool,
     FrameworkCtx,
+    framework::SendIterator,
 };
 
 use std::iter;
@@ -270,23 +270,15 @@ SELECT name, command FROM command_aliases WHERE guild_id = (SELECT id FROM guild
                     .await
                     .unwrap();
 
-                let content = iter::once("Aliases:".to_string()).chain(aliases.iter().map(|row| format!("**{}**: `{}`", row.name, row.command)));
+                let content = iter::once("Aliases:".to_string())
+                    .chain(
+                        aliases
+                            .iter()
+                            .map(|row| format!("**{}**: `{}`", row.name, row.command)
+                        )
+                    );
 
-                let mut current_content = String::new();
-
-                for line in content {
-                    if current_content.len() + line.len() > MAX_MESSAGE_LENGTH {
-                        let _ = msg.channel_id.say(&ctx, &current_content).await;
-
-                        current_content = line;
-                    }
-                    else {
-                        current_content = format!("{}\n{}", current_content, line);
-                    }
-                }
-                if !current_content.is_empty() {
-                    let _ = msg.channel_id.say(&ctx, &current_content).await;
-                }
+                let _ = msg.channel_id.say_lines(&ctx, content).await;
             },
 
             "remove" => {

src/framework.rs

@@ -1,6 +1,8 @@
 use async_trait::async_trait;
 
 use serenity::{
+    http::Http,
+    Result as SerenityResult,
     client::Context,
     framework::{
         Framework,
@@ -40,6 +42,8 @@ use crate::{
     SQLPool,
     consts::PREFIX,
 };
+use serenity::model::id::ChannelId;
+use crate::consts::MAX_MESSAGE_LENGTH;
 
 type CommandFn = for<'fut> fn(&'fut Context, &'fut Message, String) -> BoxFuture<'fut, CommandResult>;
 
@@ -143,6 +147,34 @@ pub struct RegexFramework {
     ignore_bots: bool,
 }
 
+#[async_trait]
+pub trait SendIterator {
+    async fn say_lines(self, http: impl AsRef<Http> + Send + Sync + 'async_trait, content: impl Iterator<Item=String> + Send + 'async_trait) -> SerenityResult<()>;
+}
+
+#[async_trait]
+impl SendIterator for ChannelId {
+    async fn say_lines(self, http: impl AsRef<Http> + Send + Sync + 'async_trait, content: impl Iterator<Item=String> + Send + 'async_trait) -> SerenityResult<()> {
+        let mut current_content = String::new();
+
+        for line in content {
+            if current_content.len() + line.len() > MAX_MESSAGE_LENGTH {
+                self.say(&http, &current_content).await?;
+
+                current_content = line;
+            }
+            else {
+                current_content = format!("{}\n{}", current_content, line);
+            }
+        }
+        if !current_content.is_empty() {
+            self.say(&http, &current_content).await?;
+        }
+
+        Ok(())
+    }
+}
+
 impl RegexFramework {
     pub fn new(client_id: u64) -> Self {
         Self {