Refactor random module

src/bots/approved_bot/modules/random.rs

@@ -107,17 +107,14 @@ async fn random_handler(message: Message, bot: CacheMe<Throttle<Bot>>) -> crate:
         ],
     };
 
-    let res = bot
+    bot
         .send_message(message.chat.id, MESSAGE_TEXT)
         .reply_to_message_id(message.id)
         .reply_markup(keyboard)
         .send()
-        .await;
+        .await?;
 
-    match res {
+    Ok(())
-        Ok(_) => Ok(()),
-        Err(err) => Err(Box::new(err)),
-    }
 }
 
 async fn get_random_item_handler_internal<T>(
@@ -128,11 +125,19 @@ async fn get_random_item_handler_internal<T>(
 where
     T: Format,
 {
-    match item {
+    let item = match item {
-        Ok(item) => {
+        Ok(v) => v,
+        Err(err) => {
+            bot
+                .send_message(cq.from.id, "Ошибка! Попробуйте позже :(")
+                .send()
+                .await?;
+            return Err(err);
+        },
+    };
+
     let item_message = item.format();
 
-            let send_item_handler = tokio::spawn(
     bot.send_message(cq.from.id, item_message)
         .reply_markup(InlineKeyboardMarkup {
             inline_keyboard: vec![vec![InlineKeyboardButton {
@@ -142,35 +147,20 @@ where
                 text: String::from("Повторить?"),
             }]],
         })
-                    .send(),
+        .send()
-            );
+        .await?;
 
-            cq.message.map(|message| async move {
+    match cq.message {
+        Some(message) => {
             bot.edit_message_reply_markup(message.chat.id, message.id)
             .reply_markup(InlineKeyboardMarkup {
                 inline_keyboard: vec![],
             })
             .send()
-                    .await
+            .await?;
-            });
+            Ok(())
-
+        },
-            match send_item_handler.await {
+        None => Ok(()),
-                Ok(_) => Ok(()),
-                Err(err) => Err(Box::new(err)),
-            }
-        }
-        Err(err) => {
-            match bot
-                .send_message(cq.from.id, "Ошибка! Попробуйте позже :(")
-                .send()
-                .await
-            {
-                Ok(_) => (),
-                Err(int_error) => return Err(Box::new(int_error)),
-            }
-
-            Err(err)
-        }
     }
 }
 
@@ -191,13 +181,19 @@ where
 }
 
 async fn get_genre_metas_handler(cq: CallbackQuery, bot: CacheMe<Throttle<Bot>>) -> BotHandlerInternal {
-    let genre_metas = match book_library::get_genre_metas().await {
+    let genre_metas = book_library::get_genre_metas().await?;
-        Ok(v) => v,
+
-        Err(err) => return Err(err),
+    let message = match cq.message {
+        Some(v) => v,
+        None => {
+            bot
+            .send_message(cq.from.id, "Ошибка! Начните заново :(")
+            .send()
+            .await?;
+        return Ok(());
+        },
     };
 
-    match cq.message {
-        Some(message) => {
     let keyboard = InlineKeyboardMarkup {
         inline_keyboard: genre_metas
             .clone()
@@ -217,27 +213,13 @@ async fn get_genre_metas_handler(cq: CallbackQuery, bot: CacheMe<Throttle<Bot>>)
             .collect(),
     };
 
-            match bot
+    bot
         .edit_message_reply_markup(message.chat.id, message.id)
         .reply_markup(keyboard)
         .send()
-                .await
+        .await?;
-            {
+
-                Ok(_) => Ok(()),
+    Ok(())
-                Err(err) => Err(Box::new(err)),
-            }
-        }
-        None => {
-            match bot
-                .send_message(cq.from.id, "Ошибка! Начните заново :(")
-                .send()
-                .await
-            {
-                Ok(_) => Ok(()),
-                Err(err) => Err(Box::new(err)),
-            }
-        }
-    }
 }
 
 async fn get_genres_by_meta_handler(
@@ -245,32 +227,22 @@ async fn get_genres_by_meta_handler(
     bot: CacheMe<Throttle<Bot>>,
     genre_index: u32,
 ) -> BotHandlerInternal {
-    let genre_metas = match book_library::get_genre_metas().await {
+    let genre_metas = book_library::get_genre_metas().await?;
-        Ok(v) => v,
-        Err(err) => return Err(err),
-    };
 
     let meta = match genre_metas.get(genre_index as usize) {
         Some(v) => v,
         None => {
-            return match bot
+            bot
                 .send_message(cq.from.id, "Ошибка! Попробуйте позже :(")
                 .send()
-                .await
+                .await?;
-            {
+
-                Ok(_) => Ok(()),
+            return Ok(());
-                Err(err) => Err(Box::new(err)),
-            }
         }
     };
 
-    let genres = match book_library::get_genres(meta.to_string()).await {
+    let mut buttons: Vec<Vec<InlineKeyboardButton>> = book_library::get_genres(meta.to_string()).await?
-        Ok(v) => v.items,
+        .items
-        Err(err) => return Err(err),
-    };
-
-    let mut buttons: Vec<Vec<InlineKeyboardButton>> = genres
-        .clone()
         .into_iter()
         .map(|genre| {
             vec![InlineKeyboardButton {
@@ -295,29 +267,25 @@ async fn get_genres_by_meta_handler(
         inline_keyboard: buttons,
     };
 
-    match cq.message {
+    let message = match cq.message {
-        Some(message) => {
+        Some(message) => message,
-            match bot
+        None => {
+            bot
+                .send_message(cq.from.id, "Ошибка! Начните заново :(")
+                .send()
+                .await?;
+
+            return Ok(());
+        }
+    };
+
+    bot
         .edit_message_reply_markup(message.chat.id, message.id)
         .reply_markup(keyboard)
         .send()
-                .await
+        .await?;
-            {
+
-                Ok(_) => Ok(()),
+    Ok(())
-                Err(err) => Err(Box::new(err)),
-            }
-        }
-        None => {
-            match bot
-                .send_message(cq.from.id, "Ошибка! Начните заново :(")
-                .send()
-                .await
-            {
-                Ok(_) => Ok(()),
-                Err(err) => Err(Box::new(err)),
-            }
-        }
-    }
 }
 
 async fn get_random_book_by_genre(