chore: 支持使用 leaky-bucket 限制请求频率 (#211)

* chore: 移除之前引入的 delay

* feat: 支持为 b 站请求配置频率限制

crates/bili_sync/src/config/item.rs

@@ -16,23 +16,6 @@ pub struct WatchLaterConfig {
     pub path: PathBuf,
 }
 
-/// 每次执行操作后的延迟配置
-#[derive(Serialize, Deserialize, Default)]
-pub struct DelayConfig {
-    pub refresh_video_list: Option<Delay>,
-    pub fetch_video_detail: Option<Delay>,
-    pub download_video: Option<Delay>,
-    pub download_page: Option<Delay>,
-}
-
-/// 延迟的定义，支持固定时间和随机时间
-#[derive(Serialize, Deserialize)]
-#[serde(untagged, rename_all = "lowercase")]
-pub enum Delay {
-    Random { min: u64, max: u64 },
-    Fixed(u64),
-}
-
 /// NFO 文件使用的时间类型
 #[derive(Serialize, Deserialize, Default)]
 #[serde(rename_all = "lowercase")]
@@ -47,7 +30,13 @@ pub enum NFOTimeType {
 pub struct ConcurrentLimit {
     pub video: usize,
     pub page: usize,
-    pub delay: DelayConfig,
+    pub rate_limit: Option<RateLimit>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct RateLimit {
+    pub limit: usize,
+    pub duration: u64,
 }
 
 impl Default for ConcurrentLimit {
@@ -55,7 +44,7 @@ impl Default for ConcurrentLimit {
         Self {
             video: 3,
             page: 2,
-            delay: DelayConfig::default(),
+            rate_limit: None,
         }
     }
 }

crates/bili_sync/src/config/mod.rs

@@ -14,7 +14,7 @@ mod item;
 use crate::bilibili::{CollectionItem, Credential, DanmakuOption, FilterOption};
 pub use crate::config::global::{ARGS, CONFIG, CONFIG_DIR, TEMPLATE};
 use crate::config::item::{deserialize_collection_list, serialize_collection_list, ConcurrentLimit};
-pub use crate::config::item::{Delay, NFOTimeType, PathSafeTemplate, WatchLaterConfig};
+pub use crate::config::item::{NFOTimeType, PathSafeTemplate, RateLimit, WatchLaterConfig};
 
 fn default_time_format() -> String {
     "%Y-%m-%d".to_string()
@@ -136,22 +136,6 @@ impl Config {
             ok = false;
             error!("允许的并发数必须大于 0");
         }
-        for delay_config in [
-            &self.concurrent_limit.delay.refresh_video_list,
-            &self.concurrent_limit.delay.fetch_video_detail,
-            &self.concurrent_limit.delay.download_video,
-            &self.concurrent_limit.delay.download_page,
-        ]
-        .iter()
-        .filter_map(|x| x.as_ref())
-        {
-            if let Delay::Random { min, max } = delay_config {
-                if min >= max {
-                    ok = false;
-                    error!("随机延迟的最小值应小于最大值");
-                }
-            }
-        }
         if !ok {
             panic!(
                 "位于 {} 的配置文件不合法，请参考提示信息修复后继续运行",