create /cancel admin command

Cargo.lock

@@ -67,7 +67,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f50776554130342de4836ba542aa85a4ddb361690d7e8df13774d7284c3d5c2"
 dependencies = [
  "include_dir",
- "itertools",
+ "itertools 0.10.5",
  "proc-macro-error2",
  "proc-macro2",
  "quote",
@@ -852,6 +852,7 @@ dependencies = [
  "enum_stringify",
  "envconfig",
  "futures",
+ "itertools 0.14.0",
  "log",
  "mongodb",
  "pretty_env_logger",
@@ -1336,6 +1337,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"

Cargo.toml

@@ -14,6 +14,7 @@ dotenvy = "0.15.7"
 enum_stringify = "0.6.3"
 envconfig = "0.11.0"
 futures = "0.3.31"
+itertools = "0.14.0"
 log = "0.4.27"
 mongodb = "3.2.3"
 pretty_env_logger = "0.5.0"

src/admin.rs

@@ -1,3 +1,4 @@
+use itertools::Itertools;
 use teloxide::{
     prelude::*,
     utils::{command::BotCommands, render::RenderMessageTextHelper},
@@ -36,6 +37,10 @@ pub enum AdminCommands {
     SetAlternative { literal: String, variant: String },
     /// Sets chat where this message entered as support's chats
     SetChat,
+    /// Shows user count and lists some of them
+    Users,
+    /// Cancel current action and sets user state to default
+    Cancel,
 }
 
 pub async fn admin_command_handler(
@@ -120,6 +125,37 @@ pub async fn admin_command_handler(
             bot.send_message(msg.chat.id, "ChatId is set!").await?;
             Ok(())
         }
+        AdminCommands::Users => {
+            let users = db.get_users().await?;
+            let count = users.len();
+            let user_list = users
+                .into_iter()
+                .take(5)
+                .map(|u| {
+                    format!(
+                        "  {}{}{}",
+                        u.first_name,
+                        u.last_name.map_or("".into(), |l| format!(" {l}")),
+                        u.username
+                            .map_or("".into(), |username| format!(" ({username})")),
+                    )
+                })
+                .join("\n");
+
+            bot.send_message(
+                msg.chat.id,
+                format!("Users count: {count}\nList:\n{user_list}"),
+            )
+            .await?;
+
+            Ok(())
+        }
+        AdminCommands::Cancel => {
+            dialogue.exit().await?;
+            bot.send_message(msg.chat.id, "canceled current action")
+                .await?;
+            Ok(())
+        }
     }
 }