src: List admin commands in /help

Signed-off-by: PeroSar <perosar1111@gmail.com>

Author: PeroSar

src/plugins/dl.rs

@@ -4,6 +4,8 @@
 //! SPDX-License-Identifier: MIT
 //!
 
+// Description: Download a URL or replied Telegram media to the dl/ folder.
+
 use grammers_client::{
     Client,
     media::Media,

src/plugins/help.rs

@@ -16,20 +16,20 @@ struct CommandInfo {
     description: String,
 }
 
+const ADMIN_COMMANDS: &[&str] = &["dl", "mot", "sh", "ul"];
+
 pub async fn knightcmd_help(message: &Message) -> Result<(), Box<dyn std::error::Error>> {
     let mut commands = Vec::new();
 
     let plugin_dir = "src/plugins";
     for entry in fs::read_dir(plugin_dir)? {
         if let Ok(entry) = entry {
             if let Some(filename) = entry.file_name().to_str() {
+                let command_name = filename.trim_end_matches(".rs");
                 if filename.ends_with(".rs")
                     && filename != "mod.rs"
-                    && filename != "dl.rs"
                     && filename != "req.rs"
-                    && filename != "sh.rs"
-                    && filename != "mot.rs"
-                    && filename != "ul.rs"
+                    && !ADMIN_COMMANDS.contains(&command_name)
                 {
                     let command_name = filename.trim_end_matches(".rs").to_string();
                     let description = get_command_description(&command_name, plugin_dir)?;
@@ -54,6 +54,15 @@ pub async fn knightcmd_help(message: &Message) -> Result<(), Box<dyn std::error:
         ));
     }
 
+    help_msg.push_str("\nAdmin commands:\n");
+    for command in ADMIN_COMMANDS {
+        help_msg.push_str(&format!(
+            "k.{name} - {description}\n",
+            name = command,
+            description = get_command_description(command, plugin_dir)?
+        ));
+    }
+
     message.reply(help_msg).await?;
 
     Ok(())

src/plugins/sh.rs

@@ -4,6 +4,8 @@
 //! SPDX-License-Identifier: MIT
 //!
 
+// Description: Execute a shell command.
+
 use grammers_client::message::{InputMessage, Message};
 use std::process::Command;
 

src/plugins/ul.rs

@@ -4,6 +4,8 @@
 //! SPDX-License-Identifier: MIT
 //!
 
+// Description: Upload a file.
+
 use grammers_client::{
     Client,
     message::{InputMessage, Message},