Stream song (#164)

* Added crates and dependency features

* Added endpoint to stream songs

* Changed name of function

* Song stream endpoint is now available

* Endpoint is now working

* Added test

* Warning fixes

* Code formatting

* Added TODO for later

* Test fix

* Version bump

src/callers/coverart.rs

@@ -562,7 +562,10 @@ pub mod endpoint {
 
                         match super::cov_db::create(&pool, &coverart, &song.id).await {
                             Ok(id) => {
+                                // TODO: Populate song_id
                                 coverart.id = id;
+                                println!("Cover Art created");
+
                                 response.message = String::from("Successful");
                                 response.data.push(coverart);
 

src/callers/mod.rs

@@ -17,6 +17,7 @@ pub mod endpoints {
 
     pub const CREATESONG: &str = "/api/v2/song";
     pub const GETSONGS: &str = "/api/v2/song";
+    pub const STREAMSONG: &str = "/api/v2/song/stream/{id}";
     pub const CREATECOVERART: &str = "/api/v2/coverart";
     pub const GETCOVERART: &str = "/api/v2/coverart";
 }

src/callers/song.rs

@@ -745,6 +745,7 @@ pub mod endpoint {
         }
     }
 
+    // TODO: Rename
     pub async fn download_flac(
         axum::Extension(pool): axum::Extension<sqlx::PgPool>,
         axum::extract::Path(id): axum::extract::Path<uuid::Uuid>,
@@ -1011,4 +1012,51 @@ pub mod endpoint {
             }
         }
     }
+
+    pub async fn stream_song(
+        axum::Extension(pool): axum::Extension<sqlx::PgPool>,
+        axum::extract::Path(id): axum::extract::Path<uuid::Uuid>,
+    ) -> impl IntoResponse {
+        match super::song_db::get_song(&pool, &id).await {
+            Ok(song) => {
+                let song_path = song.song_path().unwrap();
+                let path = std::path::Path::new(&song_path);
+
+                if !path.starts_with(&song.directory) || !path.exists() {
+                    return Err((axum::http::StatusCode::NOT_FOUND, "File not found"));
+                }
+
+                let file = match tokio::fs::File::open(&path).await {
+                    Ok(file) => file,
+                    Err(_) => return Err((axum::http::StatusCode::NOT_FOUND, "File not found")),
+                };
+
+                let file_size = match file.metadata().await {
+                    Ok(meta) => meta.len(),
+                    Err(_) => {
+                        return Err((
+                            axum::http::StatusCode::INTERNAL_SERVER_ERROR,
+                            "Could not read file",
+                        ));
+                    }
+                };
+
+                let mime = mime_guess::from_path(path).first_or_octet_stream();
+                let stream = tokio_util::io::ReaderStream::new(file);
+
+                let rep = axum::response::Response::builder()
+                    .header("content-type", mime.to_string())
+                    .header("accept-ranges", "bytes")
+                    .header("content-length", file_size.to_string())
+                    .body(axum::body::Body::from_stream(stream))
+                    .unwrap();
+
+                Ok(rep)
+            }
+            Err(_err) => Err((
+                axum::http::StatusCode::INTERNAL_SERVER_ERROR,
+                "Could not find file",
+            )),
+        }
+    }
 }

src/main.rs

@@ -123,6 +123,10 @@ pub mod init {
                 crate::callers::endpoints::GETCOVERART,
                 get(crate::callers::coverart::endpoint::get_coverart),
             )
+            .route(
+                crate::callers::endpoints::STREAMSONG,
+                get(crate::callers::song::endpoint::stream_song),
+            )
     }
 
     pub async fn app() -> axum::Router {
@@ -1819,6 +1823,7 @@ mod tests {
     }
 
     pub mod after_song_queue {
+        use futures::StreamExt;
         use tower::ServiceExt;
 
         #[tokio::test]
@@ -1840,15 +1845,7 @@ mod tests {
 
             let app = super::init::app(pool).await;
 
-            let mut id = uuid::Uuid::nil();
-            match uuid::Uuid::parse_str("44cf7940-34ff-489f-9124-d0ec90a55af9") {
-                Ok(val) => {
-                    id = val;
-                }
-                Err(err) => {
-                    assert!(false, "Error: {err:?}");
-                }
-            };
+            let id = test_data::song_id().await.unwrap();
 
             let uri = format!("{}?id={id}", crate::callers::endpoints::GETSONGS);
 
@@ -1901,16 +1898,7 @@ mod tests {
 
             let app = super::init::app(pool).await;
 
-            let mut id = uuid::Uuid::nil();
-
-            match uuid::Uuid::parse_str("996122cd-5ae9-4013-9934-60768d3006ed") {
-                Ok(val) => {
-                    id = val;
-                }
-                Err(err) => {
-                    assert!(false, "Error: {err:?}");
-                }
-            };
+            let id = test_data::coverart_id().await.unwrap();
 
             let uri = format!("{}?id={id}", crate::callers::endpoints::GETCOVERART);
 
@@ -1943,5 +1931,71 @@ mod tests {
 
             let _ = super::db_mgr::drop_database(&tm_pool, &db_name).await;
         }
+
+        pub mod test_data {
+            pub async fn song_id() -> Result<uuid::Uuid, uuid::Error> {
+                uuid::Uuid::parse_str("44cf7940-34ff-489f-9124-d0ec90a55af9")
+            }
+
+            pub async fn coverart_id() -> Result<uuid::Uuid, uuid::Error> {
+                uuid::Uuid::parse_str("996122cd-5ae9-4013-9934-60768d3006ed")
+            }
+        }
+
+        #[tokio::test]
+        async fn test_stream_song() {
+            let tm_pool = super::db_mgr::get_pool().await.unwrap();
+            let db_name = super::db_mgr::generate_db_name().await;
+
+            match super::db_mgr::create_database(&tm_pool, &db_name).await {
+                Ok(_) => {
+                    println!("Success");
+                }
+                Err(err) => {
+                    assert!(false, "Error: {:?}", err);
+                }
+            }
+
+            let pool = super::db_mgr::connect_to_db(&db_name).await.unwrap();
+            super::db_mgr::migrations(&pool).await;
+
+            let app = super::init::app(pool).await;
+
+            let id = test_data::song_id().await.unwrap();
+
+            let my_url = crate::callers::endpoints::STREAMSONG;
+            let last = my_url.len() - 5;
+            let uri = format!("{}/{id}", &my_url[0..last]);
+
+            match app
+                .clone()
+                .oneshot(
+                    axum::http::Request::builder()
+                        .method(axum::http::Method::GET)
+                        .uri(&uri)
+                        .body(axum::body::Body::empty())
+                        .unwrap(),
+                )
+                .await
+            {
+                Ok(response) => {
+                    let e = response.into_body();
+                    let mut data = e.into_data_stream();
+                    while let Some(chunk) = data.next().await {
+                        match chunk {
+                            Ok(_data) => {}
+                            Err(err) => {
+                                assert!(false, "Error: {err:?}");
+                            }
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: {err:?}");
+                }
+            }
+
+            let _ = super::db_mgr::drop_database(&tm_pool, &db_name).await;
+        }
     }
 }