Fix minor parsing issues

src/bot.rs

@@ -6,7 +6,7 @@ use std::collections::HashMap;
 use tokio::sync::Mutex;
 
 fn dissect<'a>(prefix: &str, str: &'a str) -> Option<(&'a str, Option<&'a str>)> {
-    let str = str.trim().strip_prefix(prefix)?;
+    let str = str.strip_prefix(prefix)?;
     if let Some(o) = str.find(' ') {
         Some((&str[..o], Some(&str[o + 1..])))
     } else {
@@ -71,6 +71,7 @@ impl<SF: Fn(String, String) -> anyhow::Result<()>> Bot<SF> {
         author: &str,
         content: &str,
     ) -> anyhow::Result<()> {
+        let content = content.trim();
         if let Some((command, remainder)) = dissect(&self.prefix, content) {
             if let Some(handler) = self.commands.get(command) {
                 let msg = Context {

src/commands/debug.rs

@@ -7,7 +7,10 @@ pub struct LastMsg;
 impl Command for LastMsg {
     async fn execute(&mut self, msg: Context<'_>) -> anyhow::Result<String> {
         let nick = msg.content.unwrap_or(msg.author);
-        let lastmsg = msg.history.read().await;
-        Ok(format!("{}: {:?}", nick, lastmsg.get(nick)))
+        Ok(format!(
+            "{}: {:?}",
+            nick,
+            msg.history.last_msgs(nick, usize::MAX).await
+        ))
     }
 }

src/commands/quotes.rs

@@ -26,19 +26,16 @@ impl Command for Grab {
         if author == msg.author {
             return Ok("You can't grab yourself.".into());
         }
-        let message = msg
-            .history
-            .last_msgs(author, count)
-            .await
-            .map(|v| v.join(" | "));
-        if let Some(message) = message {
+        let messages = msg.history.last_msgs(author, count).await;
+        if let Some(messages) = messages {
+            let message = messages.join(" | ");
             msg.db
                 .add_quote(Quote {
                     author: author.into(),
                     quote: message,
                 })
                 .await?;
-            Ok("Quote added ({} messages).".into())
+            Ok(format!("Quote added ({} messages).", messages.len()))
         } else {
             Ok("No previous messages to grab.".into())
         }