1 files changed, 28 insertions, 1 deletions
diff --git a/apps/cassiopeia/src/time.rs b/apps/cassiopeia/src/time.rs
index 56804713033b..4ac4ce7db900 100644
--- a/apps/cassiopeia/src/time.rs
+++ b/apps/cassiopeia/src/time.rs
@@ -1,14 +1,32 @@
+use crate::Date;
 use chrono::{
-    DateTime, FixedOffset as Offset, Local, NaiveDateTime, NaiveTime, TimeZone, Timelike, Utc,
+    DateTime, Duration, FixedOffset as Offset, Local, NaiveDateTime, NaiveTime, TimeZone, Timelike,
+    Utc,
 };
+use std::{cmp::Ordering, ops::Sub};
 
 /// A convenience wrapper around [DateTime][t] with fixed timezone
 ///
 /// [t]: chrono::DateTime
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Time {
     inner: DateTime<Offset>,
 }
 
+impl From<DateTime<Offset>> for Time {
+    fn from(inner: DateTime<Offset>) -> Self {
+        Self { inner }
+    }
+}
+
+impl<'t> Sub for &'t Time {
+    type Output = Duration;
+
+    fn sub(self, o: &'t Time) -> Self::Output {
+        self.inner - o.inner
+    }
+}
+
 impl Time {
     /// Get the current local time and pin it to a fixed Tz offset
     pub fn now() -> Self {
@@ -18,6 +36,15 @@ impl Time {
         }
     }
 
+    pub(crate) fn date(&self) -> chrono::Date<Offset> {
+        self.inner.date()
+    }
+
+    /// Check if a time stamp happened _after_ a date
+    pub fn after(&self, date: &Date) -> bool {
+        &Date::from(self.date()) > date
+    }
+    
     #[cfg(test)]
     pub(crate) fn fixed(hour: u32, min: u32, sec: u32) -> Self {
         Self {