Deliver channel status events

crates/items_0/src/isodate.rs

@@ -6,9 +6,18 @@ use serde::Deserialize;
 use serde::Serialize;
 use serde::Serializer;
 
-#[derive(Clone, Debug, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Deserialize)]
 pub struct IsoDateTime(DateTime<Utc>);
 
+impl IsoDateTime {
+    pub fn from_unix_millis(ms: u64) -> Self {
+        let datetime = chrono::NaiveDateTime::from_timestamp_millis(ms as i64)
+            .unwrap()
+            .and_utc();
+        Self(datetime)
+    }
+}
+
 impl Serialize for IsoDateTime {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where

crates/items_0/src/items_0.rs

@@ -39,6 +39,10 @@ pub trait Appendable<STY>: Empty + WithLen {
     fn push(&mut self, ts: u64, pulse: u64, value: STY);
 }
 
+pub trait Extendable: Empty + WithLen {
+    fn extend_from(&mut self, src: &mut Self);
+}
+
 pub trait TypeName {
     fn type_name(&self) -> String;
 }