1 files changed, 43 insertions, 0 deletions
diff --git a/src/ui/assets.rs b/src/ui/assets.rs
new file mode 100644
index 0000000..342ba59
--- /dev/null
+++ b/src/ui/assets.rs
@@ -0,0 +1,43 @@
+use axum::{
+    http::{header, StatusCode},
+    response::{IntoResponse, Response},
+};
+use mime_guess::Mime;
+use rust_embed::EmbeddedFile;
+
+use crate::{error::Internal, ui::error::NotFound};
+
+#[derive(rust_embed::Embed)]
+#[folder = "target/ui"]
+pub struct Assets;
+
+impl Assets {
+    pub fn load(path: impl AsRef<str>) -> Result<Asset, NotFound<String>> {
+        let path = path.as_ref();
+        let mime = mime_guess::from_path(path).first_or_octet_stream();
+
+        Self::get(path)
+            .map(|file| Asset(mime, file))
+            .ok_or(NotFound(format!("not found: {path}")))
+    }
+
+    pub fn index() -> Result<Asset, Internal> {
+        // "not found" in this case really is an internal error, as it should
+        // never happen. `index.html` is a known-valid path.
+        Ok(Self::load("index.html")?)
+    }
+}
+
+pub struct Asset(Mime, EmbeddedFile);
+
+impl IntoResponse for Asset {
+    fn into_response(self) -> Response {
+        let Self(mime, file) = self;
+        (
+            StatusCode::OK,
+            [(header::CONTENT_TYPE, mime.as_ref())],
+            file.data,
+        )
+            .into_response()
+    }
+}