build(sdk): bump to 0.11.0

crates/pdfs-core/src/lib.rs

@@ -29,6 +29,7 @@ pub mod similar;
 pub mod syncignore;
 pub mod syncroot;
 pub mod takeout;
+pub mod timestamp;
 pub mod tray;
 pub mod update;
 

crates/pdfs-core/src/timestamp.rs

@@ -0,0 +1,33 @@
+//! Convert the client's stored epoch seconds at the SDK boundary.
+
+use proton_drive_rs::ModificationTime;
+
+/// A UTC modification time, or `None` when outside the SDK's supported range.
+pub fn modification_time(seconds: i64) -> Option<ModificationTime> {
+    chrono::DateTime::from_timestamp(seconds, 0).map(|time| time.fixed_offset())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn epoch_seconds_preserve_the_instant_including_before_1970() {
+        for seconds in [-1, 0, 1_709_208_000, 1_782_482_460] {
+            let time = modification_time(seconds).unwrap();
+            assert_eq!(time.timestamp(), seconds);
+            assert_eq!(time.offset().local_minus_utc(), 0);
+            assert_eq!(time.timestamp_subsec_nanos(), 0);
+        }
+        assert_eq!(
+            modification_time(-1).unwrap().to_rfc3339(),
+            "1969-12-31T23:59:59+00:00"
+        );
+    }
+
+    #[test]
+    fn out_of_range_seconds_omit_the_timestamp() {
+        assert!(modification_time(i64::MIN).is_none());
+        assert!(modification_time(i64::MAX).is_none());
+    }
+}