Now the admin_check function gets a second argument in the form of user_id, and this function is used in try_restrict

src/utils/telegram/admin_check.rs

@@ -1,11 +1,11 @@
-use telers::types::{chat_member::ChatMember, User};
+use telers::types::chat_member::ChatMember;
 
-pub fn is_admin(all_admin_members: &Vec<ChatMember>, user: &User) -> bool {
+pub fn is_admin(all_admin_members: &Vec<ChatMember>, user_id: i64) -> bool {
     all_admin_members
         .iter()
         .any(|admin: &ChatMember| match admin {
-            ChatMember::Administrator(admin) => &admin.user == user,
+            ChatMember::Administrator(admin) => admin.user.id == user_id,
-            ChatMember::Owner(owner) => &owner.user == user,
+            ChatMember::Owner(owner) => owner.user.id == user_id,
             _ => false,
         })
 }

src/utils/telegram/try_do.rs

@@ -1,9 +1,9 @@
-use telers::{errors::SessionErrorKind as ErrorKind, event::EventReturn, Bot};
+use telers::{errors::SessionErrorKind as ErrorKind, event::EventReturn, types::ChatMember, Bot};
 
 use crate::types::structs::message_sender::MessageSender;
 use std::future::Future;
 
-use super::demote::demote_user;
+use super::{admin_check::is_admin, demote::demote_user, get_all_admins::get_all_admins};
 
 const DEMOTE_FAILURE_MESSAGE: &str = "Команда не может быть выполнена: \
     не удалось удалить административные привилегии пользователя.";
@@ -19,6 +19,18 @@ where
 {
     let (bot, user_id, chat_id): (&Bot, i64, i64) = demote_args;
 
+    let admins: Vec<ChatMember> = get_all_admins(bot, chat_id).await.unwrap();
+
+    if is_admin(&admins, user_id) {
+        MessageSender::builder(chat_id)
+            .text("Нельзя применить эту команду на администраторе или бота.")
+            .build()
+            .send(bot)
+            .await
+            .unwrap();
+        return Err(EventReturn::Cancel);
+    }
+
     if future_callback().await.is_err() {
         if demote_user(bot, user_id, chat_id).await.is_err() {
             MessageSender::builder(chat_id)