add HumanDuration

Cargo.toml

@@ -59,3 +59,4 @@ color-eyre = { version = "0.6.5", optional = true }
 eyre = { version = "0.6.12" }
 num_cpus = { version = "1.17.0", optional = true }
 either = "1.15.0"
+humantime = "2.3.0"

src/time/duration.rs

@@ -0,0 +1,57 @@
+use std::{borrow::Cow, ops::Deref, time::Duration};
+
+use compact_str::{CompactString, ToCompactString};
+
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+use crate::data;
+
+#[repr(transparent)]
+#[data(crate = crate, copy, not(serde, schemars))]
+pub struct HumanDuration(pub Duration);
+
+impl Deref for HumanDuration {
+    type Target = Duration;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl JsonSchema for HumanDuration {
+    fn schema_name() -> Cow<'static, str> {
+        Cow::Borrowed("HumanDuration")
+    }
+
+    fn schema_id() -> Cow<'static, str> {
+        Cow::Borrowed(concat!(module_path!(), "::HumanDuration"))
+    }
+
+    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
+        String::json_schema(generator)
+    }
+}
+
+impl<'de> Deserialize<'de> for HumanDuration {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        let s = CompactString::deserialize(deserializer)?;
+        humantime::parse_duration(&s)
+            .map_err(|e| serde::de::Error::custom(e))
+            .map(Self)
+    }
+}
+
+impl Serialize for HumanDuration {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        humantime::format_duration(self.0)
+            .to_compact_string()
+            .serialize(serializer)
+    }
+}

src/time/mod.rs

@@ -30,6 +30,7 @@
 pub use self::{
     clock::{Clock, Mock, RealTime},
     date::{Date, Day, Leapness, LooseDate, Month, Year},
+    duration::HumanDuration,
     time::{Hours, Mins, PreciseTime, Secs, SecsTime, SubsecNanos, Time},
     timestamp::Timestamp,
 };
@@ -38,6 +39,8 @@ pub mod ser;
 pub mod str;
 pub mod tz;
 
+mod duration;
+
 mod clock;
 mod date;
 mod time;