refactor: deprecated function updated and unused import deleted

Author: mario-nt

src/utils/clock.rs

@@ -1,4 +1,4 @@
-use chrono::{DateTime, Duration, Utc};
+use chrono::{DateTime, TimeDelta, Utc};
 
 pub const DATETIME_FORMAT: &str = "%Y-%m-%d %H:%M:%S";
 
@@ -16,7 +16,7 @@ pub fn now() -> u64 {
 /// Returns the datetime some seconds ago.
 #[must_use]
 pub fn seconds_ago_utc(seconds: i64) -> DateTime<chrono::Utc> {
-    Utc::now() - Duration::seconds(seconds)
+    Utc::now() - TimeDelta::try_seconds(seconds).expect("too little or too many seconds")
 }
 
 /// Returns the current time in database format.