feat: with nats

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/crunch/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 crunch-envelope.workspace = true
 crunch-in-memory = { workspace = true, optional = true }
 crunch-traits.workspace = true
+crunch-nats = {workspace = true,optional = true}
 
 anyhow.workspace = true
 tracing.workspace = true
@@ -21,6 +22,7 @@ futures.workspace = true
 tracing-subscriber.workspace = true
 
 [features]
-default = ["in-memory", "traits"]
+default = ["in-memory", "traits", "nats"]
 traits = []
-in-memory = ["dep:crunch-in-memory"]
+in-memory = ["dep:crunch-in-memory"]
+nats = ["dep:crunch-nats"]

crates/crunch/src/lib.rs

@@ -20,6 +20,11 @@ pub use publisher::Publisher;
 pub use subscriber::Subscriber;
 pub use transport::Transport;
 
+#[cfg(feature = "nats")]
+pub mod nats {
+    pub use crunch_nats::{NatsConnectCredentials, NatsConnectOptions};
+}
+
 #[derive(Clone)]
 pub struct Crunch {
     publisher: Publisher,
@@ -74,6 +79,15 @@ pub mod builder {
             self
         }
 
+        #[cfg(feature = "nats")]
+        pub async fn with_nats_transport(
+            &mut self,
+            options: crate::nats::NatsConnectOptions<'_>,
+        ) -> Result<&mut Self, crunch_traits::errors::TransportError> {
+            self.transport = Some(Transport::nats(options).await?);
+            Ok(self)
+        }
+
         pub fn with_outbox(&mut self, enabled: bool) -> &mut Self {
             self.outbox_enabled = enabled;
             self

crates/crunch/src/transport.rs

@@ -14,6 +14,15 @@ impl Transport {
             crunch_in_memory::InMemoryTransport::default(),
         ))
     }
+
+    #[cfg(feature = "nats")]
+    pub async fn nats(
+        options: crate::nats::NatsConnectOptions<'_>,
+    ) -> Result<Self, crunch_traits::errors::TransportError> {
+        Ok(Self(std::sync::Arc::new(
+            crunch_nats::NatsTransport::new(options).await?,
+        )))
+    }
 }
 
 impl From<DynTransport> for Transport {