Add API functions for liking and disliking songs

src/api/mod.rs

@@ -0,0 +1 @@
+pub mod songs;

src/api/songs.rs

@@ -0,0 +1,55 @@
+use leptos::*;
+
+use cfg_if::cfg_if;
+
+
+cfg_if! {
+	if #[cfg(feature = "ssr")] {
+		use leptos::server_fn::error::NoCustomError;
+		use crate::database::get_db_conn;
+		use crate::auth::get_user;
+	}
+}
+
+/// Like or unlike a song
+#[server(endpoint = "songs/set_like")]
+pub async fn set_like_song(song_id: i32, like: bool) -> Result<(), ServerFnError> {
+	let user = get_user().await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error getting user: {}", e)))?;
+	
+	let db_con = &mut get_db_conn();
+
+	user.set_like_song(song_id, like, db_con).await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error liking song: {}", e)))
+}
+
+/// Dislike or remove dislike from a song
+#[server(endpoint = "songs/set_dislike")]
+pub async fn set_dislike_song(song_id: i32, dislike: bool) -> Result<(), ServerFnError> {
+	let user = get_user().await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error getting user: {}", e)))?;
+	
+	let db_con = &mut get_db_conn();
+
+	user.set_dislike_song(song_id, dislike, db_con).await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error disliking song: {}", e)))
+}
+
+/// Get the like and dislike status of a song
+#[server(endpoint = "songs/get_like_dislike")]
+pub async fn get_like_dislike_song(song_id: i32) -> Result<(bool, bool), ServerFnError> {
+	let user = get_user().await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error getting user: {}", e)))?;
+
+	let db_con = &mut get_db_conn();
+
+	// TODO this could probably be done more efficiently with a tokio::try_join, but 
+	// doing so is much more complicated than it would initially seem
+
+	let like = user.get_like_song(song_id, db_con).await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error getting song liked: {}", e)))?;
+	let dislike = user.get_dislike_song(song_id, db_con).await.map_err(|e| ServerFnError::<NoCustomError>::
+		ServerError(format!("Error getting song disliked: {}", e)))?;
+
+	Ok((like, dislike))
+}