Add server function to get song from song id

src/api/songs.rs

@@ -1,5 +1,6 @@
 use leptos::*;
 use crate::models::Artist;
+use crate::models::Song;
 
 
 use cfg_if::cfg_if;
@@ -33,3 +34,26 @@ pub async fn get_artists(song_id_arg: Option<i32>) -> Result<Vec<Artist>, Server
 
 	Ok(my_artists)
 }
+
+/// Gets the song associated with a song id
+/// 
+/// # Arguments
+/// `song_id_arg` - The id of the Song to get the song for
+/// 
+/// # Returns
+/// A Result containing a Song if the operation was successful, or an error if the operation failed
+#[server(endpoint = "songs/get-song")]
+pub async fn get_song(song_id_arg: Option<i32>) -> Result<Song, ServerFnError> {
+	use crate::schema::songs::dsl::*;
+
+	let my_id = song_id_arg.ok_or(ServerFnError::ServerError("Song id must be present (Some) to get Song".to_string()))?;
+
+	let mut my_song_vec: Vec<Song> = songs
+		.filter(id.eq(my_id))
+		.limit(1)
+		.load(&mut get_db_conn())?;
+
+	let my_song = my_song_vec.pop().ok_or(ServerFnError::ServerError("Song not found".to_string()))?;
+
+	Ok(my_song)
+}