Optimize cache management

src/utils/mod.rs

@@ -1,4 +1,4 @@
 pub mod crypt_utils;
 pub mod err;
 pub mod string_utils;
-pub mod time;
+pub mod time_utils;

src/utils/time_utils.rs

@@ -1,5 +1,5 @@
 use chrono::DateTime;
-use std::time::{SystemTime, UNIX_EPOCH};
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
 /// Get the current time since epoch
 pub fn time() -> u64 {
@@ -19,9 +19,27 @@ pub fn fmt_time(timestamp: u64) -> String {
     datetime.format("%Y-%m-%d %H:%M:%S").to_string()
 }
 
+/// Convert UNIX time to system time
+pub fn unix_to_system_time(time: u64) -> SystemTime {
+    UNIX_EPOCH + Duration::from_secs(time)
+}
+
+/// Format UNIX time to HTTP date
+pub fn unix_to_http_date(time: u64) -> String {
+    httpdate::fmt_http_date(unix_to_system_time(time))
+}
+
+/// Get build time in UNIX format
+pub fn build_time() -> u64 {
+    let build_time = build_time::build_time_local!();
+    let date =
+        chrono::DateTime::parse_from_rfc3339(build_time).expect("Failed to parse compile date");
+    date.timestamp() as u64
+}
+
 #[cfg(test)]
 mod test {
-    use crate::utils::time::{fmt_time, time};
+    use crate::utils::time_utils::{fmt_time, time};
 
     #[test]
     fn test_time() {