Optimize cache management

src/utils/time_utils.rs

@@ -0,0 +1,53 @@
+use chrono::DateTime;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
+
+/// Get the current time since epoch
+pub fn time() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_secs()
+}
+
+/// Format unix timestamp to a human-readable string
+pub fn fmt_time(timestamp: u64) -> String {
+    // Create a DateTime from the timestamp
+    let datetime =
+        DateTime::from_timestamp(timestamp as i64, 0).expect("Failed to parse timestamp!");
+
+    // Format the datetime how you want
+    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_utils::{fmt_time, time};
+
+    #[test]
+    fn test_time() {
+        assert!(time() > 10);
+    }
+
+    #[test]
+    fn test_fmt_time() {
+        assert_eq!(fmt_time(1693475465), "2023-08-31 09:51:05");
+    }
+}