1 files changed, 35 insertions, 0 deletions
diff --git a/lib/src/types/datetime.rs b/lib/src/types/datetime.rs
new file mode 100644
index 0000000..00d739a
--- /dev/null
+++ b/lib/src/types/datetime.rs
@@ -0,0 +1,35 @@
+use std::convert::TryFrom;
+use anyhow::Error;
+use anyhow::Result;
+
+#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize, serde::Deserialize)]
+#[serde(transparent)]
+pub struct DateTime(chrono::DateTime<chrono::Utc>);
+
+impl Into<ipfs::Ipld> for DateTime {
+    fn into(self) -> ipfs::Ipld {
+        ipfs::Ipld::String(self.0.to_rfc3339())
+    }
+}
+
+impl TryFrom<ipfs::Ipld> for DateTime {
+    type Error = Error;
+
+    fn try_from(ipld: ipfs::Ipld) -> Result<DateTime> {
+        match ipld {
+            ipfs::Ipld::String(s) => chrono::DateTime::parse_from_rfc3339(&s)
+                .map(|dt| dt.with_timezone(&chrono::Utc))
+                .map(DateTime)
+                .map_err(Error::from),
+            _ => anyhow::bail!("Expected string for timestamp"),
+        }
+    }
+}
+
+
+impl From<chrono::DateTime<chrono::Utc>> for DateTime {
+    fn from(dt: chrono::DateTime<chrono::Utc>) -> Self {
+        DateTime(dt)
+    }
+}
+