Remove some deprecation warnings, make the code easier to read

lib/src/types/date_time.rs

@@ -12,7 +12,7 @@ use std::{
  str::FromStr,
 };
 
-use chrono::{Datelike, Duration, SecondsFormat, TimeZone, Timelike, Utc};
+use chrono::{Duration, SecondsFormat, TimeZone, Timelike, Utc};
 use serde::{de::Error, Deserialize, Deserializer, Serialize, Serializer};
 
 use crate::types::encoding::*;
@@ -153,16 +153,8 @@ impl From<(u16, u16, u16, u16, u16, u16, u32)> for DateTime {
 impl From<DateTimeUtc> for DateTime {
  fn from(date_time: DateTimeUtc) -> Self {
  // OPC UA date time is more granular with nanos, so the value supplied is made granular too
- let year = date_time.year();
- let month = date_time.month();
- let day = date_time.day();
- let hour = date_time.hour();
- let minute = date_time.minute();
- let second = date_time.second();
  let nanos = (date_time.nanosecond() / NANOS_PER_TICK as u32) * NANOS_PER_TICK as u32;
- let date_time = Utc
- .ymd(year, month, day)
- .and_hms_nano(hour, minute, second, nanos);
+ let date_time = date_time.with_nanosecond(nanos).unwrap();
  DateTime { date_time }
  }
 }