src/routes/song.rs


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use crate::database::Song;
use crate::AppState;
use actix_web::{get, web, HttpResponse};
use serde::Deserialize;

#[derive(Deserialize)]
struct SongQueryOptions {
    id: Option<String>,
    name: Option<String>,
    artist: Option<String>,
    album: Option<String>,
}

#[get("/song")]
pub async fn song(
    app_state: web::Data<AppState>,
    get_args: web::Query<SongQueryOptions>,
) -> HttpResponse {
    let default: String = String::from("");
    let search_attempt: sqlx::Result<Vec<Song>> = match true {
        _ if get_args.id.is_some() => {
            let id: &str = &get_args.id.as_ref().unwrap_or(&default);
            app_state.database.select_song_by_id(id).await
        }
        _ if get_args.name.is_some() => {
            let name: &str = &get_args.name.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_name(name).await
        }
        _ if get_args.album.is_some() => {
            let album: &str = &get_args.album.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_album(album).await
        }
        _ if get_args.artist.is_some() => {
            let artist: &str = &get_args.artist.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_artist(artist).await
        }
        _ => app_state.database.select_songs().await,
    };

    match search_attempt {
        Ok(song_list) => HttpResponse::Ok().json(song_list),
        Err(e) => HttpResponse::Ok().body(format!("{}", e)),
    }
}