Update

src/bots/approved_bot/modules/download.rs

@@ -1,4 +1,4 @@
-use std::str::FromStr;
+use std::{str::FromStr, time::Duration};
 
 use futures::TryStreamExt;
 use moka::future::Cache;
@@ -11,7 +11,9 @@ use teloxide::{
     prelude::*,
     types::*,
 };
+use tokio::time::sleep;
 use tokio_util::compat::FuturesAsyncReadCompatExt;
+use url::Url;
 
 use crate::{
     bots::{
@@ -22,7 +24,9 @@ use crate::{
                     types::{CachedMessage, DownloadFile},
                 },
                 book_library::{get_book, get_author_books_available_types, get_translator_books_available_types, get_sequence_books_available_types},
-                donation_notificatioins::send_donation_notification, user_settings::get_user_or_default_lang_codes,
+                donation_notificatioins::send_donation_notification, user_settings::get_user_or_default_lang_codes, batch_downloader::{TaskObjectType, CreateTaskData},
+                batch_downloader::{create_task, get_task, TaskStatus}
+
             },
             tools::filter_callback_query,
         },
@@ -410,18 +414,93 @@ async fn get_download_archive_keyboard_handler(
     Ok(())
 }
 
+async fn download_archive(
+    cq: CallbackQuery,
+    download_archive_query_data: DownloadArchiveQueryData,
+    bot: CacheMe<Throttle<Bot>>,
+    app_state: AppState
+) -> BotHandlerInternal {
+    let allowed_langs = get_user_or_default_lang_codes(
+        cq.from.id,
+        app_state.user_langs_cache
+    ).await;
+
+    let (id, file_type, task_type) = match download_archive_query_data {
+        DownloadArchiveQueryData::Sequence { id, file_type } => (id, file_type, TaskObjectType::Sequence),
+        DownloadArchiveQueryData::Author { id, file_type } => (id, file_type, TaskObjectType::Author),
+        DownloadArchiveQueryData::Translator { id, file_type } => (id, file_type, TaskObjectType::Translator),
+    };
+
+    let message = cq.message.unwrap();
+
+    let task = create_task(CreateTaskData {
+        object_id: id,
+        object_type: task_type,
+        file_format: file_type,
+        allowed_langs
+    }).await;
+
+    let mut task = match task {
+        Ok(v) => v,
+        Err(err) => {
+            bot
+                .edit_message_text(message.chat.id, message.id, "Ошибка! Попробуйте позже :(")
+                .reply_markup(InlineKeyboardMarkup {
+                    inline_keyboard: vec![],
+                })
+                .send()
+                .await?;
+
+            return Err(err);
+        },
+    };
+
+    bot
+        .edit_message_text(message.chat.id, message.id, "Подготовка архива...")
+        .reply_markup(InlineKeyboardMarkup {
+            inline_keyboard: vec![],
+        })
+        .send()
+        .await?;
+
+    while task.status != TaskStatus::Complete {
+        task = match get_task(task.id).await {
+            Ok(v) => v,
+            Err(err) => {
+                bot
+                .edit_message_text(message.chat.id, message.id, "Ошибка! Попробуйте позже :(")
+                .reply_markup(InlineKeyboardMarkup {
+                    inline_keyboard: vec![],
+                })
+                .send()
+                .await?;
+
+                return Err(err);
+            },
+        };
+
+        sleep(Duration::from_secs(5)).await;
+    }
+
+    bot
+        .send_document(
+            message.chat.id,
+            InputFile::url(
+                Url::from_str(&task.result_link.unwrap()
+            ).unwrap())
+        )
+        .send()
+        .await?;
+
+    Ok(())
+}
+
 pub fn get_download_hander() -> crate::bots::BotHandler {
     dptree::entry()
         .branch(
             Update::filter_message()
                 .chain(filter_command::<StartDownloadCommand>())
-                .endpoint(
-                    |message: Message,
-                     bot: CacheMe<Throttle<Bot>>,
-                     download_data: StartDownloadCommand| async move {
-                        get_download_keyboard_handler(message, bot, download_data).await
-                    },
-                ),
+                .endpoint(get_download_keyboard_handler),
         )
         .branch(
             Update::filter_callback_query()
@@ -447,10 +526,11 @@ pub fn get_download_hander() -> crate::bots::BotHandler {
         .branch(
             Update::filter_message()
                 .chain(filter_command::<DownloadArchiveCommand>())
-                .endpoint(|
-                    message: Message, bot: CacheMe<Throttle<Bot>>, command: DownloadArchiveCommand, app_state: AppState
-                | async move {
-                    get_download_archive_keyboard_handler(message, bot, command, app_state.user_langs_cache).await
-                })
+                .endpoint(get_download_archive_keyboard_handler)
+        )
+        .branch(
+            Update::filter_callback_query()
+            .chain(filter_callback_query::<DownloadArchiveQueryData>())
+            .endpoint(download_archive)
         )
 }

src/bots/approved_bot/services/batch_downloader.rs

@@ -0,0 +1,64 @@
+use serde::{Deserialize, Serialize};
+
+use crate::config;
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum TaskObjectType {
+    Sequence,
+    Author,
+    Translator,
+}
+
+#[derive(Deserialize, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum TaskStatus {
+    InProgress,
+    Archiving,
+    Complete,
+}
+
+#[derive(Serialize)]
+pub struct CreateTaskData {
+    pub object_id: u32,
+    pub object_type: TaskObjectType,
+    pub file_format: String,
+    pub allowed_langs: Vec<String>,
+}
+
+#[derive(Deserialize)]
+pub struct Task {
+    pub id: String,
+    pub object_id: u32,
+    pub object_type: TaskObjectType,
+    pub status: TaskStatus,
+    pub result_link: Option<String>,
+}
+
+pub async fn create_task(
+    data: CreateTaskData,
+) -> Result<Task, Box<dyn std::error::Error + Send + Sync>> {
+    Ok(reqwest::Client::new()
+        .post(format!("{}/api/", &config::CONFIG.batch_downloader_url))
+        .body(serde_json::to_string(&data).unwrap())
+        .header("Authorization", &config::CONFIG.batch_downloader_api_key)
+        .send()
+        .await?
+        .error_for_status()?
+        .json::<Task>()
+        .await?)
+}
+
+pub async fn get_task(task_id: String) -> Result<Task, Box<dyn std::error::Error + Send + Sync>> {
+    Ok(reqwest::Client::new()
+        .get(format!(
+            "{}/api/check_archive/{task_id}/",
+            &config::CONFIG.batch_downloader_url
+        ))
+        .header("Authorization", &config::CONFIG.batch_downloader_api_key)
+        .send()
+        .await?
+        .error_for_status()?
+        .json::<Task>()
+        .await?)
+}

src/bots/approved_bot/services/mod.rs

@@ -2,3 +2,4 @@ pub mod book_cache;
 pub mod book_library;
 pub mod user_settings;
 pub mod donation_notificatioins;
+pub mod batch_downloader;

src/config.rs

@@ -17,6 +17,9 @@ pub struct Config {
     pub cache_server_url: String,
     pub cache_server_api_key: String,
 
+    pub batch_downloader_url: String,
+    pub batch_downloader_api_key: String,
+
     pub sentry_dsn: String,
 }
 
@@ -48,6 +51,9 @@ impl Config {
             cache_server_url: get_env("CACHE_SERVER_URL"),
             cache_server_api_key: get_env("CACHE_SERVER_API_KEY"),
 
+            batch_downloader_url: get_env("BATCH_DOWNLOADER_URL"),
+            batch_downloader_api_key: get_env("BATCH_DOWNLOADER_API_KEY"),
+
             sentry_dsn: get_env("SENTRY_DSN"),
         }
     }