Added state persistance

src/handlers/commands/add_account.rs

@@ -1,7 +1,6 @@
 use crate::{
-    entity::prelude::Account,
     errors::NoUserInfo,
-    handlers::{markups::deletion_markup, Handler, MainDialogue, State},
+    handlers::{markups::deletion_markup, state::NameCheckKind, Handler, MainDialogue, State},
     models::DecryptedAccount,
 };
 use sea_orm::prelude::*;
@@ -81,18 +80,10 @@ async fn get_login(
 async fn get_account_name(
     bot: Throttle<Bot>,
     msg: Message,
-    db: DatabaseConnection,
+    _: DatabaseConnection,
     dialogue: MainDialogue,
     name: String,
 ) -> crate::Result<()> {
-    let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
-    if Account::exists(user_id, &name, &db).await? {
-        dialogue.exit().await?;
-        bot.send_message(msg.chat.id, "Account alreay exists")
-            .reply_markup(deletion_markup())
-            .await?;
-        return Ok(());
-    }
     let previous = bot.send_message(msg.chat.id, "Send login").await?;
     dialogue
         .update(State::GetLogin(Handler::new(
@@ -111,10 +102,10 @@ pub async fn add_account(
 ) -> crate::Result<()> {
     let previous = bot.send_message(msg.chat.id, "Send account name").await?;
     dialogue
-        .update(State::GetAccountName(Handler::new(
+        .update(State::GetAccountName(
-            get_account_name,
+            Handler::new(get_account_name, previous),
-            previous,
+            NameCheckKind::NewAccountName,
-        )))
+        ))
         .await?;
     Ok(())
 }

src/handlers/commands/delete.rs

@@ -3,6 +3,7 @@ use crate::{
     errors::NoUserInfo,
     handlers::{
         markups::{self, deletion_markup},
+        state::NameCheckKind,
         Handler, MainDialogue, State,
     },
 };
@@ -31,18 +32,10 @@ async fn get_master_pass(
 async fn get_account_name(
     bot: Throttle<Bot>,
     msg: Message,
-    db: DatabaseConnection,
+    _: DatabaseConnection,
     dialogue: MainDialogue,
     name: String,
 ) -> crate::Result<()> {
-    let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
-    if !Account::exists(user_id, &name, &db).await? {
-        dialogue.exit().await?;
-        bot.send_message(msg.chat.id, "Account doesn't exists")
-            .reply_markup(deletion_markup())
-            .await?;
-        return Ok(());
-    }
     let previous = bot
         .send_message(msg.chat.id, "Send master password. Once you send correct master password the account is unrecoverable")
         .await?;
@@ -69,10 +62,10 @@ pub async fn delete(
         .reply_markup(markup)
         .await?;
     dialogue
-        .update(State::GetAccountName(Handler::new(
+        .update(State::GetAccountName(
-            get_account_name,
+            Handler::new(get_account_name, previous),
-            previous,
+            NameCheckKind::MustExist,
-        )))
+        ))
         .await?;
     Ok(())
 }

src/handlers/commands/get_account.rs

@@ -3,6 +3,7 @@ use crate::{
     errors::NoUserInfo,
     handlers::{
         markups::{self, deletion_markup},
+        state::NameCheckKind,
         Handler, MainDialogue, State,
     },
 };
@@ -43,18 +44,10 @@ async fn get_master_pass(
 async fn get_account_name(
     bot: Throttle<Bot>,
     msg: Message,
-    db: DatabaseConnection,
+    _: DatabaseConnection,
     dialogue: MainDialogue,
     name: String,
 ) -> crate::Result<()> {
-    let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
-    if !Account::exists(user_id, &name, &db).await? {
-        dialogue.exit().await?;
-        bot.send_message(msg.chat.id, "Account doesn't exists")
-            .reply_markup(deletion_markup())
-            .await?;
-        return Ok(());
-    }
     let previous = bot
         .send_message(msg.chat.id, "Send master password")
         .await?;
@@ -83,10 +76,10 @@ pub async fn get_account(
         .reply_markup(markup)
         .await?;
     dialogue
-        .update(State::GetAccountName(Handler::new(
+        .update(State::GetAccountName(
-            get_account_name,
+            Handler::new(get_account_name, previous),
-            previous,
+            NameCheckKind::MustExist,
-        )))
+        ))
         .await?;
     Ok(())
 }

src/handlers/commands/import.rs

@@ -1,14 +1,13 @@
 use crate::{
     errors::NoUserInfo,
     handlers::{markups::deletion_markup, Handler, MainDialogue, State},
-    models::{DecryptedAccount, User},
+    models::User,
 };
-use futures::{future, stream::FuturesUnordered, StreamExt, TryStreamExt};
+use futures::{future, stream::FuturesUnordered, StreamExt};
 use itertools::Itertools;
 use sea_orm::prelude::*;
-use serde_json::from_slice;
 use std::sync::Arc;
-use teloxide::{adaptors::Throttle, net::Download, prelude::*};
+use teloxide::{adaptors::Throttle, prelude::*};
 use tokio::task::spawn_blocking;
 
 /// Gets the master password, encryptes and adds the accounts to the DB
@@ -18,12 +17,15 @@ async fn get_master_pass(
     db: DatabaseConnection,
     dialogue: MainDialogue,
     master_pass: String,
-    accounts: Vec<DecryptedAccount>,
+    user: User,
 ) -> crate::Result<()> {
     let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
+    let accounts = user.accounts;
+
     let failed: Vec<String> = {
         let master_pass: Arc<str> = master_pass.into();
         let db = &db;
+
         let futures: FuturesUnordered<_> = accounts
             .into_iter()
             .map(|account| {
@@ -44,6 +46,7 @@ async fn get_master_pass(
                 }
             })
             .collect();
+
         futures
             .filter_map(|result| future::ready(result.err()))
             .collect()
@@ -70,44 +73,15 @@ async fn get_document(
     msg: Message,
     _: DatabaseConnection,
     dialogue: MainDialogue,
-    (): (),
+    user: User,
 ) -> crate::Result<()> {
-    let document = msg.document().unwrap();
-    match document.file_name {
-        Some(ref name) if name.trim_end().ends_with(".json") => (),
-        _ => {
-            bot.send_message(msg.chat.id, "Invalid file name")
-                .reply_markup(deletion_markup())
-                .await?;
-            dialogue.exit().await?;
-            return Ok(());
-        }
-    }
-    let mut data = Vec::with_capacity(document.file.size as usize);
-    let file = bot.get_file(&document.file.id).await?;
-    bot.download_file_stream(&file.path)
-        .try_for_each(|bytes| {
-            data.extend(bytes);
-            async { Ok(()) }
-        })
-        .await?;
-    let accounts = match spawn_blocking(move || from_slice::<User>(&data)).await? {
-        Ok(user) => user.accounts,
-        Err(_) => {
-            bot.send_message(msg.chat.id, "Error parsing the json file")
-                .reply_markup(deletion_markup())
-                .await?;
-            dialogue.exit().await?;
-            return Ok(());
-        }
-    };
     let previous = bot
         .send_message(msg.chat.id, "Send master password")
         .await?;
     dialogue
         .update(State::GetMasterPass(Handler::new(
             move |bot, msg, db, dialogue, master_pass| {
-                get_master_pass(bot, msg, db, dialogue, master_pass, accounts)
+                get_master_pass(bot, msg, db, dialogue, master_pass, user)
             },
             previous,
         )))
@@ -124,7 +98,7 @@ pub async fn import(bot: Throttle<Bot>, msg: Message, dialogue: MainDialogue) ->
         )
         .await?;
     dialogue
-        .update(State::GetDocument(Handler::new(get_document, previous)))
+        .update(State::GetUser(Handler::new(get_document, previous)))
         .await?;
     Ok(())
 }

src/handlers/mod.rs

@@ -8,7 +8,7 @@ mod utils;
 
 use commands::Command;
 use sea_orm::prelude::*;
-use state::{Handler, PackagedHandler};
+use state::{Handler, MainDialogue, State};
 use teloxide::{
     adaptors::{throttle::Limits, Throttle},
     dispatching::dialogue::InMemStorage,
@@ -16,19 +16,6 @@ use teloxide::{
     prelude::*,
 };
 
-type MainDialogue = Dialogue<State, InMemStorage<State>>;
-
-#[derive(Default, Clone)]
-pub enum State {
-    #[default]
-    Start,
-    GetAccountName(PackagedHandler<String>),
-    GetMasterPass(PackagedHandler<String>),
-    GetLogin(PackagedHandler<String>),
-    GetPassword(PackagedHandler<String>),
-    GetDocument(PackagedHandler<()>),
-}
-
 pub fn get_dispatcher(
     token: String,
     db: DatabaseConnection,
@@ -56,11 +43,11 @@ pub fn get_dispatcher(
     let message_handler = Update::filter_message()
         .map_async(utils::delete_message)
         .enter_dialogue::<Update, InMemStorage<State>, State>()
-        .branch(case![State::GetAccountName(next)].endpoint(state::get_account_name))
+        .branch(case![State::GetAccountName(next, check)].endpoint(state::get_account_name))
         .branch(case![State::GetMasterPass(next)].endpoint(state::get_master_pass))
         .branch(case![State::GetLogin(next)].endpoint(state::get_login))
         .branch(case![State::GetPassword(next)].endpoint(state::get_password))
-        .branch(case![State::GetDocument(next)].endpoint(state::get_document))
+        .branch(case![State::GetUser(next)].endpoint(state::get_user))
         .branch(command_handler)
         .endpoint(default::default);
 

src/handlers/state/generic.rs

@@ -22,19 +22,23 @@ where
         &'a Message,
         &'a DatabaseConnection,
         &'a str,
-    ) -> PinnedFuture<'a, crate::Result<bool>>,
+    ) -> PinnedFuture<'a, crate::Result<Option<Message>>>,
 {
-    let handler = next.lock().await.take();
+    let mut handler = next.lock().await;
-    let previous = handler.as_ref().and_then(|h| h.previous.as_ref());
+    delete_optional(&bot, handler.previous.as_ref()).await;
-    delete_optional(&bot, previous).await;
+
     let text = match msg.text() {
         Some(text) => text.trim_end(),
         None => {
-            bot.send_message(msg.chat.id, "Couldn't get the text of the message")
+            bot.send_message(
+                msg.chat.id,
+                "Couldn't get the text of the message. Send the message again",
+            )
             .await?;
             return Ok(());
         }
     };
+
     if text == "/cancel" {
         dialogue.exit().await?;
         bot.send_message(msg.chat.id, "Successfully cancelled")
@@ -42,26 +46,22 @@ where
             .await?;
         return Ok(());
     }
-    let handler = match handler {
+
-        Some(handler) => handler,
+    if handler.func.is_none() {
-        None => {
         let _ = dialogue.exit().await;
         return Err(HandlerUsed.into());
     }
-    };
+
-    match check(&bot, &msg, &db, text).await {
+    if let Some(failure_message) = check(&bot, &msg, &db, text).await? {
-        Ok(true) => (),
+        handler.previous = Some(failure_message);
-        Ok(false) => {
-            dialogue.exit().await?;
         return Ok(());
     }
-        Err(err) => {
+
-            let _ = dialogue.exit().await;
+    let func = handler.func.take().unwrap();
-            return Err(err);
+    drop(handler);
-        }
-    };
     let text = text.to_owned();
-    if let Err(err) = (handler.handler)(bot, msg, db, dialogue.clone(), text).await {
+
+    if let Err(err) = func(bot, msg, db, dialogue.clone(), text).await {
         let _ = dialogue.exit().await;
         return Err(err);
     }

src/handlers/state/get_account_name.rs

@@ -1,31 +1,71 @@
-use crate::handlers::{markups::deletion_markup, utils::validate_field, MainDialogue};
+use crate::{
+    entity::prelude::Account,
+    errors::NoUserInfo,
+    handlers::{markups::account_markup, utils::validate_field, MainDialogue},
+};
 use sea_orm::prelude::*;
 use teloxide::{adaptors::Throttle, prelude::*};
 
+/// Specifies the kind of checks to be run during the account name validation
+#[derive(Clone, Copy)]
+pub enum NameCheckKind {
+    NewAccountName,
+    MustExist,
+}
+
+/// Validates the account name
+#[inline]
+pub async fn check_name(
+    bot: &Throttle<Bot>,
+    msg: &Message,
+    db: &DatabaseConnection,
+    name: &str,
+    check_kind: NameCheckKind,
+) -> crate::Result<Option<Message>> {
+    let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
+    match check_kind {
+        NameCheckKind::MustExist => {
+            if !Account::exists(user_id, name, db).await? {
+                let msg = bot
+                    .send_message(msg.chat.id, "Account doesn't exists. Try again")
+                    .reply_markup(account_markup(user_id, db).await?)
+                    .await?;
+                return Ok(Some(msg));
+            }
+            Ok(None)
+        }
+        NameCheckKind::NewAccountName => {
+            if Account::exists(user_id, name, db).await? {
+                let msg = bot
+                    .send_message(msg.chat.id, "Account alreay exists")
+                    .await?;
+                return Ok(Some(msg));
+            }
+            if !validate_field(name) {
+                let msg = bot
+                    .send_message(msg.chat.id, "Invalid account name. Try again")
+                    .await?;
+                return Ok(Some(msg));
+            }
+            Ok(None)
+        }
+    }
+}
+
 /// Function to handle GetAccountName state
 pub async fn get_account_name(
     bot: Throttle<Bot>,
     msg: Message,
     db: DatabaseConnection,
     dialogue: MainDialogue,
-    next: super::PackagedHandler<String>,
+    (next, check_kind): (super::PackagedHandler<String>, NameCheckKind),
 ) -> crate::Result<()> {
     super::generic::generic(
         bot,
         msg,
         db,
         dialogue,
-        |bot, msg, _, name| {
+        |bot, msg, db, name| Box::pin(check_name(bot, msg, db, name, check_kind)),
-            Box::pin(async move {
-                let is_valid = validate_field(name);
-                if !is_valid {
-                    bot.send_message(msg.chat.id, "Invalid account name")
-                        .reply_markup(deletion_markup())
-                        .await?;
-                }
-                Ok(is_valid)
-            })
-        },
         next,
     )
     .await

src/handlers/state/get_document.rs

@@ -1,45 +0,0 @@
-use crate::{
-    errors::HandlerUsed,
-    handlers::{markups::deletion_markup, utils::delete_optional, MainDialogue},
-};
-use sea_orm::prelude::*;
-use teloxide::{adaptors::Throttle, prelude::*};
-
-/// Function to handle get_document state. It doesn't actually validate anything
-pub async fn get_document(
-    bot: Throttle<Bot>,
-    msg: Message,
-    db: DatabaseConnection,
-    dialogue: MainDialogue,
-    next: super::PackagedHandler<()>,
-) -> crate::Result<()> {
-    let handler = next.lock().await.take();
-    let previous = handler.as_ref().and_then(|h| h.previous.as_ref());
-    delete_optional(&bot, previous).await;
-    if let Some("/cancel") = msg.text().map(str::trim_end) {
-        dialogue.exit().await?;
-        bot.send_message(msg.chat.id, "Successfully cancelled")
-            .reply_markup(deletion_markup())
-            .await?;
-        return Ok(());
-    }
-    let handler = match handler {
-        Some(handler) => handler,
-        None => {
-            let _ = dialogue.exit().await;
-            return Err(HandlerUsed.into());
-        }
-    };
-    if msg.document().is_none() {
-        bot.send_message(msg.chat.id, "You didn't send a file")
-            .reply_markup(deletion_markup())
-            .await?;
-        dialogue.exit().await?;
-        return Ok(());
-    }
-    if let Err(err) = (handler.handler)(bot, msg, db, dialogue.clone(), ()).await {
-        let _ = dialogue.exit().await;
-        return Err(err);
-    }
-    Ok(())
-}

src/handlers/state/get_login.rs

@@ -1,4 +1,4 @@
-use crate::handlers::{markups::deletion_markup, utils::validate_field, MainDialogue};
+use crate::handlers::{utils::validate_field, MainDialogue};
 use sea_orm::prelude::*;
 use teloxide::{adaptors::Throttle, prelude::*};
 
@@ -19,11 +19,12 @@ pub async fn get_login(
             Box::pin(async move {
                 let is_valid = validate_field(login);
                 if !is_valid {
-                    bot.send_message(msg.chat.id, "Invalid login")
+                    let msg = bot
-                        .reply_markup(deletion_markup())
+                        .send_message(msg.chat.id, "Invalid login. Try again")
                         .await?;
+                    return Ok(Some(msg));
                 }
-                Ok(is_valid)
+                Ok(None)
             })
         },
         next,

src/handlers/state/get_master_pass.rs

@@ -1,40 +1,44 @@
-use crate::{
+use crate::{entity::prelude::MasterPass, errors::NoUserInfo, handlers::MainDialogue};
-    entity::prelude::MasterPass,
+use log::error;
-    errors::NoUserInfo,
-    handlers::{markups::deletion_markup, MainDialogue},
-};
 use sea_orm::prelude::*;
 use teloxide::{adaptors::Throttle, prelude::*};
 use tokio::task::spawn_blocking;
 
 /// Returns true if the provided master password is valid
 #[inline]
-pub async fn check_master_pass<'a>(
+pub async fn check_master_pass(
-    bot: &'a Throttle<Bot>,
+    bot: &Throttle<Bot>,
-    msg: &'a Message,
+    msg: &Message,
-    db: &'a DatabaseConnection,
+    db: &DatabaseConnection,
-    master_pass: &'a str,
+    master_pass: &str,
-) -> crate::Result<bool> {
+) -> crate::Result<Option<Message>> {
     let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
     let model = MasterPass::get(user_id, db).await?;
+
     let is_valid = match model {
         Some(model) => {
             let master_pass = master_pass.to_owned();
             spawn_blocking(move || model.verify(&master_pass)).await??
         }
         None => {
-            bot.send_message(msg.chat.id, "No master password set")
+            error!("User was put into the GetMasterPass state with no master password set");
-                .reply_markup(deletion_markup())
+            let msg = bot
+                .send_message(
+                    msg.chat.id,
+                    "No master password set. Use /cancel and set it by using /set_master_pass",
+                )
                 .await?;
-            return Ok(false);
+            return Ok(Some(msg));
         }
     };
+
     if !is_valid {
-        bot.send_message(msg.chat.id, "Wrong master password")
+        let msg = bot
-            .reply_markup(deletion_markup())
+            .send_message(msg.chat.id, "Wrong master password. Try again")
             .await?;
+        return Ok(Some(msg));
     }
-    Ok(is_valid)
+    Ok(None)
 }
 
 pub async fn get_master_pass(

src/handlers/state/get_password.rs

@@ -1,7 +1,7 @@
 use sea_orm::prelude::*;
 use teloxide::{adaptors::Throttle, prelude::*};
 
-use crate::handlers::{markups::deletion_markup, utils::validate_field, MainDialogue};
+use crate::handlers::{utils::validate_field, MainDialogue};
 
 /// Function to handle GetPassword state
 pub async fn get_password(
@@ -20,11 +20,12 @@ pub async fn get_password(
             Box::pin(async move {
                 let is_valid = validate_field(password);
                 if !is_valid {
-                    bot.send_message(msg.chat.id, "Invalid password")
+                    let msg = bot
-                        .reply_markup(deletion_markup())
+                        .send_message(msg.chat.id, "Invalid password. Try again")
                         .await?;
+                    return Ok(Some(msg));
                 }
-                Ok(is_valid)
+                Ok(None)
             })
         },
         next,

src/handlers/state/get_user.rs

@@ -0,0 +1,88 @@
+use crate::{
+    errors::HandlerUsed,
+    handlers::{markups::deletion_markup, utils::delete_optional, MainDialogue},
+    models::User,
+};
+use futures::TryStreamExt;
+use sea_orm::prelude::*;
+use teloxide::{adaptors::Throttle, net::Download, prelude::*};
+use tokio::task::spawn_blocking;
+
+/// Function to handle GetUser state. It doesn't actually validate anything
+pub async fn get_user(
+    bot: Throttle<Bot>,
+    msg: Message,
+    db: DatabaseConnection,
+    dialogue: MainDialogue,
+    next: super::PackagedHandler<User>,
+) -> crate::Result<()> {
+    let mut handler = next.lock().await;
+    delete_optional(&bot, handler.previous.as_ref()).await;
+
+    if let Some("/cancel") = msg.text().map(str::trim_end) {
+        dialogue.exit().await?;
+        bot.send_message(msg.chat.id, "Successfully cancelled")
+            .reply_markup(deletion_markup())
+            .await?;
+        return Ok(());
+    }
+
+    if handler.func.is_none() {
+        let _ = dialogue.exit().await;
+        return Err(HandlerUsed.into());
+    }
+
+    let document = match msg.document() {
+        Some(document) => document,
+        None => {
+            let msg = bot
+                .send_message(msg.chat.id, "You didn't send a file. Try again")
+                .await?;
+            handler.previous = Some(msg);
+            return Ok(());
+        }
+    };
+
+    match document.file_name.as_deref() {
+        Some(name) if name.trim_end().ends_with(".json") => (),
+        _ => {
+            let msg = bot
+                .send_message(
+                    msg.chat.id,
+                    "Invalid file name. You need to send a json file. Try again",
+                )
+                .await?;
+            handler.previous = Some(msg);
+            return Ok(());
+        }
+    }
+
+    let file = bot.get_file(&document.file.id).await?;
+    let mut data = Vec::with_capacity(document.file.size as usize);
+    bot.download_file_stream(&file.path)
+        .try_for_each(|bytes| {
+            data.extend(bytes);
+            async { Ok(()) }
+        })
+        .await?;
+
+    let user: User = match spawn_blocking(move || serde_json::from_slice(&data)).await? {
+        Ok(user) => user,
+        Err(_) => {
+            let msg = bot
+                .send_message(msg.chat.id, "Error parsing the json file. Try again")
+                .await?;
+            handler.previous = Some(msg);
+            return Ok(());
+        }
+    };
+
+    let func = handler.func.take().unwrap();
+    drop(handler);
+
+    if let Err(err) = func(bot, msg, db, dialogue.clone(), user).await {
+        let _ = dialogue.exit().await;
+        return Err(err);
+    }
+    Ok(())
+}

src/handlers/state/handler.rs

@@ -4,9 +4,7 @@ use std::{future::Future, sync::Arc};
 use teloxide::{adaptors::Throttle, prelude::*};
 use tokio::sync::Mutex;
 
-#[allow(clippy::type_complexity)]
+type DynHanlder<T> = Box<
-pub struct Handler<T> {
-    pub handler: Box<
     dyn FnOnce(
             Throttle<Bot>,
             Message,
@@ -16,12 +14,15 @@ pub struct Handler<T> {
         ) -> crate::PinnedFuture<'static, crate::Result<()>>
         + Send
         + Sync,
-    >,
+>;
+
+pub struct Handler<T> {
+    pub func: Option<DynHanlder<T>>,
 
     pub previous: Option<Message>,
 }
 
-pub type PackagedHandler<T> = Arc<Mutex<Option<Handler<T>>>>;
+pub type PackagedHandler<T> = Arc<Mutex<Handler<T>>>;
 
 impl<T> Handler<T> {
     /// Convinience method to convert a simple async function and a previous message into PackagedHandler
@@ -35,11 +36,11 @@ impl<T> Handler<T> {
         F: Future<Output = crate::Result<()>> + Send + 'static,
     {
         let handler = Self {
-            handler: Box::new(move |bot, msg, db, dialogue, val| {
+            func: Some(Box::new(move |bot, msg, db, dialogue, val| {
                 Box::pin(f(bot, msg, db, dialogue, val))
-            }),
+            })),
             previous: previous.into(),
         };
-        Arc::new(Mutex::new(Some(handler)))
+        Arc::new(Mutex::new(handler))
     }
 }

src/handlers/state/mod.rs

@@ -2,15 +2,31 @@
 
 mod generic;
 mod get_account_name;
-mod get_document;
 mod get_login;
 mod get_master_pass;
 mod get_password;
+mod get_user;
 mod handler;
 
-pub use get_account_name::get_account_name;
+pub use get_account_name::{get_account_name, NameCheckKind};
-pub use get_document::get_document;
 pub use get_login::get_login;
 pub use get_master_pass::get_master_pass;
 pub use get_password::get_password;
+pub use get_user::get_user;
 pub use handler::{Handler, PackagedHandler};
+
+use crate::models::User;
+use teloxide::{dispatching::dialogue::InMemStorage, prelude::*};
+
+#[derive(Default, Clone)]
+pub enum State {
+    #[default]
+    Start,
+    GetAccountName(PackagedHandler<String>, NameCheckKind),
+    GetMasterPass(PackagedHandler<String>),
+    GetLogin(PackagedHandler<String>),
+    GetPassword(PackagedHandler<String>),
+    GetUser(PackagedHandler<User>),
+}
+
+pub type MainDialogue = Dialogue<State, InMemStorage<State>>;