changed type of field Message::from to Option<User> because message from channel no have sender + fmt

src/dispatching/dispatcher.rs

@@ -300,12 +300,14 @@ where
         update: Upd,
     ) -> Option<Upd> {
         stream::iter(handlers)
-            .fold(Some(update), |acc, handler| async move {
+            .fold(Some(update), |acc, handler| {
+                async move {
                     // Option::and_then is not working here, because
                     // Middleware::handle is asynchronous.
                     match acc {
                         Some(update) => {
-                        let DispatcherHandlerResult { next, result } = handler
+                            let DispatcherHandlerResult { next, result } =
+                                handler
                                     .handle_ctx(DispatcherHandlerCtx {
                                         bot: Arc::clone(&self.bot),
                                         update,
@@ -322,6 +324,7 @@ where
                         }
                         None => None,
                     }
+                }
             })
             .await
     }

src/types/chat_permissions.rs

@@ -50,7 +50,7 @@ impl Default for ChatPermissions {
             can_add_web_page_previews: None,
             can_change_info: None,
             can_invite_users: None,
-            can_pin_messages: None
+            can_pin_messages: None,
         }
     }
 }

src/types/message.rs

@@ -34,7 +34,7 @@ pub struct Message {
 pub enum MessageKind {
     Common {
         /// Sender, empty for messages sent to channels.
-        from: User,
+        from: Option<User>,
 
         #[serde(flatten)]
         forward_kind: ForwardKind,
@@ -328,8 +328,7 @@ mod getters {
                 Pinned, SuccessfulPayment, SupergroupChatCreated,
             },
         },
-        Chat, ForwardedFrom, Message, MessageEntity, PhotoSize, True,
-        User,
+        Chat, ForwardedFrom, Message, MessageEntity, PhotoSize, True, User,
     };
 
     /// Getters for [Message] fields from [telegram docs].
@@ -340,7 +339,7 @@ mod getters {
         /// NOTE: this is getter for both `from` and `author_signature`
         pub fn from(&self) -> Option<&User> {
             match &self.kind {
-                Common { from, .. } => Some(&from),
+                Common { from, .. } => from.as_ref(),
                 _ => None,
             }
         }

src/types/message_entity.rs

@@ -50,9 +50,7 @@ impl MessageEntity {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::types::{
-        Chat, ChatKind, ForwardKind, MediaKind, MessageKind,
-    };
+    use crate::types::{Chat, ChatKind, ForwardKind, MediaKind, MessageKind};
 
     #[test]
     fn recursive_kind() {