Initial public release of Warp.

Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b

crates/graphql/src/scalars/mod.rs

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+pub mod time;
+pub type Time = time::ServerTimestamp;

crates/graphql/src/scalars/time.rs

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+use anyhow::{anyhow, Result};
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
+pub struct ServerTimestamp(DateTime<Utc>);
+impl ServerTimestamp {
+    pub fn new(time: DateTime<Utc>) -> Self {
+        Self(time)
+    }
+
+    /// General-purpose function for converting from an i64 (representing microseconds) to a ServerTimestamp.
+    pub fn from_unix_timestamp_micros(ms_since_epoch: i64) -> Result<Self> {
+        let date_time = DateTime::from_timestamp_micros(ms_since_epoch)
+            .ok_or_else(|| anyhow!("Unable to convert microseconds into NaiveDateTime"))?;
+        Ok(ServerTimestamp::new(date_time))
+    }
+
+    pub fn timestamp_micros(&self) -> i64 {
+        self.0.timestamp_micros()
+    }
+
+    pub fn utc(&self) -> DateTime<Utc> {
+        self.0
+    }
+}
+
+impl From<DateTime<Utc>> for ServerTimestamp {
+    fn from(value: DateTime<Utc>) -> Self {
+        ServerTimestamp::new(value)
+    }
+}