feat: add actual upload

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

crates/flux-releaser/src/services/flux_releaser_uploader.rs

@@ -0,0 +1,53 @@
+use tonic::transport::Channel;
+
+use crate::{
+    app::infra::grpc::FluxReleaserGrpcClient,
+    grpc::gen::{flux_releaser_client::FluxReleaserClient, UploadArtifactRequest},
+};
+
+use super::{archive::ArchiveFile, release_manager::models::UploadArtifactID};
+
+pub struct FluxReleaserUploader {
+    flux_client: FluxReleaserGrpcClient,
+}
+
+impl FluxReleaserUploader {
+    pub fn new(flux_client: FluxReleaserGrpcClient) -> Self {
+        Self { flux_client }
+    }
+
+    pub async fn upload_archive(&self, archive: ArchiveFile) -> anyhow::Result<UploadArtifactID> {
+        let chunks = archive
+            .content
+            .chunks(1_000_000) // Slice by about 1MB
+            .map(|ch| UploadArtifactRequest {
+                content: ch.to_vec(),
+            })
+            .collect::<Vec<_>>();
+
+        let resp = self
+            .flux_client
+            .lock()
+            .await
+            .upload_artifact(tonic::Request::new(tokio_stream::iter(chunks)))
+            .await?;
+
+        resp.into_inner().upload_id.try_into()
+    }
+}
+
+pub mod extensions {
+    use crate::app::SharedLocalApp;
+
+    use super::FluxReleaserUploader;
+
+    pub trait FluxReleaserUploaderExt {
+        fn flux_releaser_uploader(&self) -> FluxReleaserUploader;
+    }
+
+    impl FluxReleaserUploaderExt for SharedLocalApp {
+        fn flux_releaser_uploader(&self) -> FluxReleaserUploader {
+            FluxReleaserUploader::new(self.grpc_client.clone())
+        }
+    }
+}