Deprecate HandlerFactory and HandlerExt::dispatch_by

CHANGELOG.md

@@ -26,6 +26,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - Rename `BotCommand` trait to `BotCommands` [**BC**].
  - `BotCommands::descriptions` now returns `CommandDescriptions` instead of `String` [**BC**].
 
+### Deprecated
+
+ - `HandlerFactory` and `HandlerExt::dispatch_by` in favour of `teloxide::handler!`.
+
 ## 0.7.2 - 2022-03-23
 
 ### Added

src/dispatching/handler_ext.rs

@@ -1,15 +1,15 @@
 use std::sync::Arc;
 
 use crate::{
-    dispatching::{
-        dialogue::{Dialogue, GetChatId, Storage},
-        HandlerFactory,
-    },
+    dispatching::dialogue::{Dialogue, GetChatId, Storage},
     types::{Me, Message},
     utils::command::BotCommands,
 };
 use dptree::{di::DependencyMap, Handler};
 
+#[allow(deprecated)]
+use crate::dispatching::HandlerFactory;
+
 use std::fmt::Debug;
 
 /// Extension methods for working with `dptree` handlers.
@@ -51,6 +51,8 @@ pub trait HandlerExt<Output> {
         Upd: GetChatId + Clone + Send + Sync + 'static;
 
     #[must_use]
+    #[deprecated(note = "Use the teloxide::handler! API")]
+    #[allow(deprecated)]
     fn dispatch_by<F>(self) -> Self
     where
         F: HandlerFactory<Out = Output>;
@@ -92,6 +94,7 @@ where
         }))
     }
 
+    #[allow(deprecated)]
     fn dispatch_by<F>(self) -> Self
     where
         F: HandlerFactory<Out = Output>,

src/dispatching/handler_factory.rs

@@ -1,6 +1,7 @@
 use dptree::{di::DependencyMap, Handler};
 
 /// Something that can construct a handler.
+#[deprecated(note = "Use the teloxide::handler! API")]
 pub trait HandlerFactory {
     type Out;
 

src/dispatching/mod.rs

@@ -110,4 +110,5 @@ pub use crate::utils::shutdown_token::{IdleShutdownError, ShutdownToken};
 pub use dispatcher::{Dispatcher, DispatcherBuilder, UpdateHandler};
 pub use filter_ext::{MessageFilterExt, UpdateFilterExt};
 pub use handler_ext::HandlerExt;
+#[allow(deprecated)]
 pub use handler_factory::HandlerFactory;