Ability to hide the command aliases from the help message

crates/teloxide-macros/src/bot_commands.rs

@@ -63,7 +63,7 @@ fn impl_descriptions(infos: &[Command], global: &CommandEnum) -> proc_macro2::To
         .filter(|command| command.description_is_enabled())
         .map(|command @ Command { prefix, name, aliases, ..}| {
             let description = command.description().unwrap_or_default();
-            let aliases = aliases.clone().map(|(aliases, _)| aliases).unwrap_or_default();
+            let aliases = (!command.hidden_aliases).then(|| aliases.clone().map(|(aliases, _)| aliases).unwrap_or_default()).unwrap_or_default();
             quote! { CommandDescription { prefix: #prefix, command: #name, description: #description, aliases: &[#(#aliases),*]} }
         });
 

crates/teloxide-macros/src/command.rs

@@ -19,6 +19,8 @@ pub(crate) struct Command {
     pub parser: ParserType,
     /// Whether the command is hidden from the help message.
     pub hidden: bool,
+    /// Whether the aliases of the command are hidden from the help message.
+    pub hidden_aliases: bool,
 }
 
 impl Command {
@@ -40,6 +42,7 @@ impl Command {
             // FIXME: error on/do not ignore command separator
             command_separator: _,
             hide,
+            hide_aliases,
         } = attrs;
 
         let name = match (rename, rename_rule) {
@@ -57,8 +60,9 @@ impl Command {
         let prefix = prefix.map(|(p, _)| p).unwrap_or_else(|| global_options.prefix.clone());
         let parser = parser.map(|(p, _)| p).unwrap_or_else(|| global_options.parser_type.clone());
         let hidden = hide.is_some();
+        let hidden_aliases = hide_aliases.is_some();
 
-        Ok(Self { prefix, description, parser, name, aliases, hidden })
+        Ok(Self { prefix, description, parser, name, aliases, hidden, hidden_aliases })
     }
 
     pub fn get_prefixed_command(&self) -> String {

crates/teloxide-macros/src/command_attr.rs

@@ -25,6 +25,7 @@ pub(crate) struct CommandAttrs {
     pub separator: Option<(String, Span)>,
     pub command_separator: Option<(String, Span)>,
     pub hide: Option<((), Span)>,
+    pub hide_aliases: Option<((), Span)>,
 }
 
 /// A single k/v attribute for `BotCommands` derive macro.
@@ -53,6 +54,7 @@ enum CommandAttrKind {
     Separator(String),
     CommandSeparator(String),
     Hide,
+    HideAliases,
 }
 
 impl CommandAttrs {
@@ -73,6 +75,7 @@ impl CommandAttrs {
                 separator: None,
                 command_separator: None,
                 hide: None,
+                hide_aliases: None,
             },
             |mut this, attr| {
                 fn insert<T>(opt: &mut Option<(T, Span)>, x: T, sp: Span) -> Result<()> {
@@ -119,6 +122,7 @@ impl CommandAttrs {
                     Separator(s) => insert(&mut this.separator, s, attr.sp),
                     CommandSeparator(s) => insert(&mut this.command_separator, s, attr.sp),
                     Hide => insert(&mut this.hide, (), attr.sp),
+                    HideAliases => insert(&mut this.hide_aliases, (), attr.sp),
                 }?;
 
                 Ok(this)
@@ -174,6 +178,7 @@ impl CommandAttr {
                     "separator" => Separator(value.expect_string()?),
                     "command_separator" => CommandSeparator(value.expect_string()?),
                     "hide" => value.expect_none("hide").map(|_| Hide)?,
+                    "hide_aliases" => value.expect_none("hide_aliases").map(|_| HideAliases)?,
                     "alias" => Aliases(vec![value.expect_string()?]),
                     "aliases" => Aliases(
                         value

crates/teloxide-macros/src/command_enum.rs

@@ -3,6 +3,21 @@ use crate::{
     rename_rules::RenameRule, Result,
 };
 
+/// Create a if block that checks if the given attribute is applied to a enum
+/// itself, if so, return an error
+macro_rules! variants_only_attr {
+    ($($attr: ident),+) => {
+        $(
+            if let Some((_, sp)) = $attr {
+                return Err(compile_error_at(
+                    concat!("`", stringify!($attr), "` attribute can only be applied to enums *variants*"),
+                    sp,
+                ));
+            }
+        )+
+    };
+}
+
 pub(crate) struct CommandEnum {
     pub prefix: String,
     /// The bool is true if the description contains a doc comment
@@ -25,24 +40,10 @@ impl CommandEnum {
             command_separator,
             separator,
             hide,
+            hide_aliases,
         } = attrs;
 
-        if let Some((_rename, sp)) = rename {
+        variants_only_attr![rename, hide, hide_aliases, aliases];
-            return Err(compile_error_at(
-                "`rename` attribute can only be applied to enums *variants*",
-                sp,
-            ));
-        } else if let Some((_hide, sp)) = hide {
-            return Err(compile_error_at(
-                "`hide` attribute can only be applied to enums *variants*",
-                sp,
-            ));
-        } else if let Some((_aliases, sp)) = aliases {
-            return Err(compile_error_at(
-                "`aliases` attribute can only be applied to enums *variants*",
-                sp,
-            ));
-        }
 
         let mut parser = parser.map(|(p, _)| p).unwrap_or(ParserType::Default);