global: snapshot

crates/brk_core/src/structs/date.rs

@@ -12,6 +12,10 @@ impl Date {
     pub const INDEX_ONE: Self = Self(20090109);
     pub const INDEX_ONE_: Date_ = Date_::constant(2009, 1, 9);
 
+    pub fn new(year: u16, month: u8, day: u8) -> Self {
+        Self(year as u32 * 1_00_00 + month as u32 * 1_00 + day as u32)
+    }
+
     pub fn year(&self) -> u16 {
         (self.0 / 1_00_00) as u16
     }
@@ -33,7 +37,7 @@ impl Default for Date {
 
 impl From<Date_> for Date {
     fn from(value: Date_) -> Self {
-        Self(value.year() as u32 * 1_00_00 + value.month() as u32 * 1_00 + value.day() as u32)
+        Self::new(value.year() as u16, value.month() as u8, value.day() as u8)
     }
 }
 
@@ -58,3 +62,9 @@ impl From<Dateindex> for Date {
         )
     }
 }
+
+impl std::fmt::Display for Date {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&format!("{}-{}-{}", self.year(), self.month(), self.day()))
+    }
+}

crates/brk_core/src/structs/timestamp.rs

@@ -1,4 +1,5 @@
 use derive_deref::Deref;
+use jiff::{civil::date, tz::TimeZone};
 use serde::Serialize;
 use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
@@ -7,12 +8,27 @@ use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 )]
 pub struct Timestamp(u32);
 
+impl Timestamp {
+    pub fn floor_seconds(self) -> Self {
+        let t = jiff::Timestamp::from(self).to_zoned(TimeZone::UTC);
+        let d = jiff::civil::DateTime::from(t);
+        let d = date(d.year(), d.month(), d.day()).at(d.hour(), d.minute(), 0, 0);
+        Self::from(d.to_zoned(TimeZone::UTC).unwrap().timestamp())
+    }
+}
+
 impl From<u32> for Timestamp {
     fn from(value: u32) -> Self {
         Self(value)
     }
 }
 
+impl From<jiff::Timestamp> for Timestamp {
+    fn from(value: jiff::Timestamp) -> Self {
+        Self(value.as_second() as u32)
+    }
+}
+
 impl From<Timestamp> for jiff::Timestamp {
     fn from(value: Timestamp) -> Self {
         jiff::Timestamp::from_second(*value as i64).unwrap()

crates/brk_core/src/structs/unit.rs

@@ -1,6 +1,6 @@
 use byteview::ByteView;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Unit;
 
 impl From<ByteView> for Unit {