clock: Hide serde support behind feature flag `with-serde`

Signed-off-by: Uwe Klotz <uwe.klotz@slowtec.de>

4 files changed, 16 insertions, 16 deletions

diff --git a/crates/common/clock/Cargo.toml b/crates/common/clock/Cargo.toml
index 8615da7e..94dc87da 100644
--- a/crates/common/clock/Cargo.toml
+++ b/crates/common/clock/Cargo.toml
@@ -7,5 +7,8 @@ rust-version = "1.58.1"
 
 [dependencies]
 mockall = "0.10"
-serde = { version = "1.0", features = ["derive"] }
-time = { version = "0.3", features = ["serde-human-readable"] }
+time = "0.3.7"
+
+[features]
+default = []
+with-serde = ["time/serde-well-known"]
diff --git a/crates/common/clock/src/lib.rs b/crates/common/clock/src/lib.rs
index 7c87d4a0..a97ee9df 100644
--- a/crates/common/clock/src/lib.rs
+++ b/crates/common/clock/src/lib.rs
@@ -1,6 +1,8 @@
 use mockall::automock;
-use serde::{Deserialize, Deserializer};
-use time::{format_description::well_known::Rfc3339, OffsetDateTime};
+use time::OffsetDateTime;
+
+#[cfg(feature = "with-serde")]
+pub mod serde;
 
 pub type Timestamp = OffsetDateTime;
 
@@ -17,15 +19,3 @@ impl Clock for WallClock {
         OffsetDateTime::now_utc()
     }
 }
-
-pub fn deserialize_iso8601_timestamp<'de, D>(
-    deserializer: D,
-) -> Result<Option<OffsetDateTime>, D::Error>
-where
-    D: Deserializer<'de>,
-{
-    let timestamp = String::deserialize(deserializer)?;
-    OffsetDateTime::parse(timestamp.as_str(), &Rfc3339)
-        .map_err(serde::de::Error::custom)
-        .map(Some)
-}
diff --git a/crates/common/clock/src/serde/mod.rs b/crates/common/clock/src/serde/mod.rs
new file mode 100644
index 00000000..a1646141
--- /dev/null
+++ b/crates/common/clock/src/serde/mod.rs
@@ -0,0 +1 @@
+pub mod rfc3339;
diff --git a/crates/common/clock/src/serde/rfc3339.rs b/crates/common/clock/src/serde/rfc3339.rs
new file mode 100644
index 00000000..abb36da6
--- /dev/null
+++ b/crates/common/clock/src/serde/rfc3339.rs
@@ -0,0 +1,6 @@
+/// Re-exported module
+///
+/// Use this module in combination with serde's [`#[with]`][with] attribute.
+///
+/// [with]: https://serde.rs/field-attrs.html#with
+pub use time::serde::rfc3339::option;