2025-08-02 00:18:09 +03:00
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use crate::s3_utils::get_s3_filelist;
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2024-08-31 03:32:37 +03:00
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use actix_web::error::ErrorInternalServerError;
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use aws_config::BehaviorVersion;
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use aws_sdk_s3::{config::Credentials, Client as S3Client};
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2025-08-02 00:18:09 +03:00
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use log::warn;
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2024-08-31 03:32:37 +03:00
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use redis::{aio::MultiplexedConnection, AsyncCommands, Client as RedisClient};
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2024-10-22 12:58:01 +03:00
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use std::env;
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2024-10-22 12:55:53 +03:00
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2024-08-31 03:32:37 +03:00
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#[derive(Clone)]
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pub struct AppState {
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pub redis: MultiplexedConnection,
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pub storj_client: S3Client,
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pub aws_client: S3Client,
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pub bucket: String,
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}
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2024-10-22 09:38:30 +03:00
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const PATH_MAPPING_KEY: &str = "filepath_mapping"; // Ключ для хранения маппинга путей
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2025-08-02 00:18:09 +03:00
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// Убираем TTL для квоты - она должна быть постоянной на пользователя
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2024-08-31 03:32:37 +03:00
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impl AppState {
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/// Инициализация нового состояния приложения.
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pub async fn new() -> Self {
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// Получаем конфигурацию для Redis
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let redis_url = env::var("REDIS_URL").expect("REDIS_URL must be set");
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let redis_client = RedisClient::open(redis_url).expect("Invalid Redis URL");
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let redis_connection = redis_client
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.get_multiplexed_async_connection()
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.await
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.unwrap();
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// Получаем конфигурацию для S3 (Storj)
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let s3_access_key = env::var("STORJ_ACCESS_KEY").expect("STORJ_ACCESS_KEY must be set");
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let s3_secret_key = env::var("STORJ_SECRET_KEY").expect("STORJ_SECRET_KEY must be set");
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2024-09-23 16:32:54 +03:00
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let s3_endpoint = env::var("STORJ_END_POINT")
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.unwrap_or_else(|_| "https://gateway.storjshare.io".to_string());
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let bucket = env::var("STORJ_BUCKET_NAME").unwrap_or_else(|_| "discours-io".to_string());
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2024-08-31 03:32:37 +03:00
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// Получаем конфигурацию для AWS S3
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2024-10-22 19:34:08 +03:00
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let aws_access_key = env::var("AWS_ACCESS_KEY").expect("AWS_ACCESS_KEY must be set");
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let aws_secret_key = env::var("AWS_SECRET_KEY").expect("AWS_SECRET_KEY must be set");
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let aws_endpoint =
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2025-08-02 00:18:09 +03:00
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env::var("AWS_END_POINT").unwrap_or_else(|_| "https://s3.amazonaws.com".to_string());
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2024-08-31 03:32:37 +03:00
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2024-10-22 09:38:30 +03:00
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// Конфигурируем клиент S3 для Storj
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let storj_config = aws_config::defaults(BehaviorVersion::latest())
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.region("eu-west-1")
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.endpoint_url(s3_endpoint)
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.credentials_provider(Credentials::new(
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s3_access_key,
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s3_secret_key,
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None,
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None,
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"rust-storj-client",
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))
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.load()
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.await;
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2024-10-22 09:38:30 +03:00
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let storj_client = S3Client::new(&storj_config);
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2024-08-31 03:32:37 +03:00
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// Конфигурируем клиент S3 для AWS
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let aws_config = aws_config::defaults(BehaviorVersion::latest())
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2024-09-23 15:45:59 +03:00
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.region("eu-west-1")
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.endpoint_url(aws_endpoint)
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.credentials_provider(Credentials::new(
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aws_access_key,
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aws_secret_key,
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None,
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None,
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"rust-aws-client",
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))
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.load()
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.await;
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2025-08-02 00:18:09 +03:00
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let aws_client = S3Client::new(&aws_config);
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let app_state = AppState {
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redis: redis_connection,
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storj_client,
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aws_client,
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bucket,
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};
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2024-10-22 19:34:08 +03:00
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// Кэшируем список файлов из AWS при старте приложения
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app_state.cache_filelist().await;
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app_state
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}
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/// Кэширует список файлов из Storj S3 в Redis.
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pub async fn cache_filelist(&self) {
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warn!("caching AWS filelist...");
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let mut redis = self.redis.clone();
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// Запрашиваем список файлов из Storj S3
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let filelist = get_s3_filelist(&self.aws_client, &self.bucket).await;
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2024-10-22 12:24:47 +03:00
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2024-10-22 13:15:37 +03:00
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for [filename, filepath] in filelist.clone() {
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2024-10-22 19:34:08 +03:00
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// Сохраняем список файлов в Redis, используя HSET для каждого файла
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let _: () = redis
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.hset(PATH_MAPPING_KEY, filename.clone(), filepath)
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.await
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.unwrap();
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}
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2024-10-22 12:36:59 +03:00
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2024-10-23 16:38:34 +03:00
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warn!("cached {} files", filelist.len());
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}
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/// Получает путь из ключа (имени файла) в Redis.
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pub async fn get_path(&self, filename: &str) -> Result<Option<String>, actix_web::Error> {
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let mut redis = self.redis.clone();
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let new_path: Option<String> = redis
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.hget(PATH_MAPPING_KEY, filename)
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.await
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.map_err(|_| ErrorInternalServerError("Failed to get path mapping from Redis"))?;
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Ok(new_path)
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}
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2024-10-23 21:41:29 +03:00
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pub async fn set_path(&self, filename: &str, filepath: &str) {
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let mut redis = self.redis.clone();
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let _: () = redis
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.hset(PATH_MAPPING_KEY, filename, filepath)
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.await
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.unwrap_or_else(|_| panic!("Failed to cache file {} in Redis", filename));
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}
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/// создает или получает текущее значение квоты пользователя
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pub async fn get_or_create_quota(&self, user_id: &str) -> Result<u64, actix_web::Error> {
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let mut redis = self.redis.clone();
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let quota_key = format!("quota:{}", user_id);
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// Попытка получить квоту из Redis
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let quota: u64 = redis.get("a_key).await.unwrap_or(0);
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if quota == 0 {
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// Если квота не найдена, устанавливаем её в 0 байт без TTL (постоянная квота)
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redis
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.set::<&str, u64, ()>("a_key, 0)
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.await
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.map_err(|_| {
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ErrorInternalServerError("Failed to set initial user quota in Redis")
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})?;
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Ok(0) // Возвращаем 0 как начальную квоту
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} else {
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Ok(quota)
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}
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}
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/// инкрементирует значение квоты пользователя в байтах
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pub async fn increment_uploaded_bytes(
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&self,
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user_id: &str,
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bytes: u64,
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) -> Result<u64, actix_web::Error> {
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let mut redis = self.redis.clone();
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let quota_key = format!("quota:{}", user_id);
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// Проверяем, существует ли ключ в Redis
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let exists: bool = redis.exists::<_, bool>("a_key).await.map_err(|_| {
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ErrorInternalServerError("Failed to check if user quota exists in Redis")
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})?;
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// Если ключ не существует, создаем его с начальным значением без TTL
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if !exists {
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redis
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.set::<_, u64, ()>("a_key, bytes)
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.await
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.map_err(|_| {
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ErrorInternalServerError("Failed to set initial user quota in Redis")
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})?;
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return Ok(bytes);
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}
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// Если ключ существует, инкрементируем его значение на заданное количество байт
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let new_quota: u64 = redis
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.incr::<_, u64, u64>("a_key, bytes)
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.await
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.map_err(|_| ErrorInternalServerError("Failed to increment user quota in Redis"))?;
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Ok(new_quota)
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}
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/// Устанавливает квоту пользователя в байтах (позволяет увеличить или уменьшить)
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pub async fn set_user_quota(&self, user_id: &str, bytes: u64) -> Result<u64, actix_web::Error> {
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let mut redis = self.redis.clone();
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let quota_key = format!("quota:{}", user_id);
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// Устанавливаем новое значение квоты
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redis
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.set::<_, u64, ()>("a_key, bytes)
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.await
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.map_err(|_| ErrorInternalServerError("Failed to set user quota in Redis"))?;
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Ok(bytes)
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}
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/// Увеличивает квоту пользователя на указанное количество байт
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pub async fn increase_user_quota(
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&self,
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user_id: &str,
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additional_bytes: u64,
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) -> Result<u64, actix_web::Error> {
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let mut redis = self.redis.clone();
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let quota_key = format!("quota:{}", user_id);
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// Получаем текущую квоту
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let current_quota: u64 = redis.get("a_key).await.unwrap_or(0);
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// Вычисляем новую квоту
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let new_quota = current_quota + additional_bytes;
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// Устанавливаем новое значение
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redis
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.set::<_, u64, ()>("a_key, new_quota)
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.await
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.map_err(|_| ErrorInternalServerError("Failed to increase user quota in Redis"))?;
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Ok(new_quota)
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}
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}
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