refactor(anonreply): implement snippet logic to be able to send snippet message through anonreply command

Author: Akinator31

rustmail/src/commands/anonreply/text_command/anonreply.rs

@@ -21,8 +21,9 @@ pub async fn anonreply(
         .as_ref()
         .ok_or_else(database_connection_failed)?;
 
-    let mut content = extract_reply_content(&msg.content, &config.command.prefix, &["anonreply", "ar"]);
-    
+    let mut content =
+        extract_reply_content(&msg.content, &config.command.prefix, &["anonreply", "ar"]);
+
     if let Some(text) = &content {
         if let Some(stripped) = text.strip_prefix("{{").and_then(|s| s.strip_suffix("}}")) {
             let snippet_key = stripped.trim();
@@ -31,9 +32,9 @@ pub async fn anonreply(
                     content = Some(snippet.content);
                 }
                 None => {
-                    msg.reply(&ctx.http, format!("❌ Snippet `{}` not found.", snippet_key))
-                        .await?;
-                    return Ok(());
+                    return Err(ModmailError::Command(CommandError::SnippetNotFound(
+                        snippet_key.to_string(),
+                    )));
                 }
             }
         }
@@ -42,20 +43,7 @@ pub async fn anonreply(
     let intent = extract_intent(content, &msg.attachments).await;
 
     let Some(intent) = intent else {
-        MessageBuilder::system_message(&ctx, config)
-            .translated_content(
-                "reply.missing_content",
-                None,
-                Some(msg.author.id),
-                msg.guild_id.map(|g| g.get()),
-            )
-            .await
-            .color(0xFF0000)
-            .reply_to(msg.clone())
-            .send_and_forget()
-            .await;
-
-        return Err(validation_failed("Missing content"));
+        return Err(ModmailError::Message(MessageError::MessageEmpty));
     };
 
     let thread = fetch_thread(db_pool, &msg.channel_id.to_string()).await?;