feat: support auto clean log files

src-tauri/src/config/verge.rs

@@ -83,6 +83,10 @@ pub struct IVerge {
     /// proxy 页面布局 列数
     pub proxy_layout_column: Option<i32>,
 
+    /// 日志清理
+    /// 0: 不清理; 1: 7天; 2: 30天; 3: 90天
+    pub auto_log_clean: Option<i32>,
+
     /// window size and position
     #[serde(skip_serializing_if = "Option::is_none")]
     pub window_size_position: Option<Vec<f64>>,
@@ -137,6 +141,7 @@ impl IVerge {
             auto_close_connection: Some(true),
             enable_builtin_enhanced: Some(true),
             enable_clash_fields: Some(true),
+            auto_log_clean: Some(3),
             ..Self::default()
         }
     }
@@ -183,7 +188,7 @@ impl IVerge {
         patch!(enable_builtin_enhanced);
         patch!(proxy_layout_column);
         patch!(enable_clash_fields);
-
+        patch!(auto_log_clean);
         patch!(window_size_position);
     }
 

src-tauri/src/utils/init.rs

@@ -1,13 +1,14 @@
 use crate::config::*;
 use crate::utils::{dirs, help};
 use anyhow::Result;
-use chrono::Local;
+use chrono::{DateTime, Local};
 use log::LevelFilter;
 use log4rs::append::console::ConsoleAppender;
 use log4rs::append::file::FileAppender;
 use log4rs::config::{Appender, Logger, Root};
 use log4rs::encode::pattern::PatternEncoder;
-use std::fs;
+use std::fs::{self, DirEntry};
+use std::str::FromStr;
 use tauri::PackageInfo;
 
 /// initialize this instance's log file
@@ -69,6 +70,72 @@ fn init_log() -> Result<()> {
     Ok(())
 }
 
+/// 删除log文件
+pub fn delete_log() -> Result<()> {
+    let log_dir = dirs::app_logs_dir()?;
+    if !log_dir.exists() {
+        return Ok(());
+    }
+
+    let auto_log_clean = {
+        let verge = Config::verge();
+        let verge = verge.data();
+        verge.auto_log_clean.clone().unwrap_or(0)
+    };
+
+    let day = match auto_log_clean {
+        1 => 7,
+        2 => 30,
+        3 => 90,
+        _ => return Ok(()),
+    };
+
+    log::debug!(target: "app", "try to delete log files, day: {day}");
+
+    // %Y-%m-%d to NaiveDateTime
+    let parse_time_str = |s: &str| {
+        let sa: Vec<&str> = s.split('-').collect();
+        if sa.len() != 4 {
+            return Err(anyhow::anyhow!("invalid time str"));
+        }
+
+        let year = i32::from_str(sa[0])?;
+        let month = u32::from_str(sa[1])?;
+        let day = u32::from_str(sa[2])?;
+        let time = chrono::NaiveDate::from_ymd_opt(year, month, day)
+            .ok_or(anyhow::anyhow!("invalid time str"))?
+            .and_hms_opt(0, 0, 0)
+            .ok_or(anyhow::anyhow!("invalid time str"))?;
+        Ok(time)
+    };
+
+    let process_file = |file: DirEntry| -> Result<()> {
+        let file_name = file.file_name();
+        let file_name = file_name.to_str().unwrap_or_default();
+
+        if file_name.ends_with(".log") {
+            let now = Local::now();
+            let created_time = parse_time_str(&file_name[0..file_name.len() - 4])?;
+            let file_time = DateTime::<Local>::from_local(created_time, now.offset().clone());
+
+            let duration = now.signed_duration_since(file_time);
+            if duration.num_days() > day {
+                let file_path = file.path();
+                let _ = fs::remove_file(file_path);
+                log::info!(target: "app", "delete log file: {file_name}");
+            }
+        }
+        Ok(())
+    };
+
+    for file in fs::read_dir(&log_dir)? {
+        if let Ok(file) = file {
+            let _ = process_file(file);
+        }
+    }
+    Ok(())
+}
+
 /// Initialize all the config files
 /// before tauri setup
 pub fn init_config() -> Result<()> {
@@ -78,6 +145,7 @@ pub fn init_config() -> Result<()> {
     }
 
     let _ = init_log();
+    let _ = delete_log();
 
     crate::log_err!(dirs::app_home_dir().map(|app_dir| {
         if !app_dir.exists() {