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use crate::database;
use crate::errors::Error;
use lazy_static::lazy_static;
use rspotify::spotify::client::{ApiError, Spotify};
use rspotify::spotify::model::playlist::FullPlaylist;
use rspotify::spotify::oauth2::{SpotifyClientCredentials, SpotifyOAuth};
use rspotify::spotify::util::process_token;
use std::collections::HashMap;
use std::sync::{Arc, Mutex};
lazy_static! {
static ref CACHE: Arc<Mutex<HashMap<String, SpotifyOAuth>>> =
Arc::new(Mutex::new(HashMap::new()));
}
static CHUNK_SIZE: i32 = 50;
macro_rules! get_items {
($func_name:ident, $spotify_call:stmt, $t: ty) => {
fn $func_name(spotify_uid: &str, spotify: &mut Spotify) -> Result<Vec<$t>, Error> {
let mut index = 0;
let mut result = Vec::new();
loop {
match $spotify_call {
Ok(items) => {
index += CHUNK_SIZE;
if items.items.is_empty() {
break;
}
result.append(items.items);
}
Err(e) => match e.downcast::<ApiError>() {
Ok(ApiError::RateLimited(x)) => std::thread::sleep(
std::time::Duration::from_secs(x.unwrap_or(5) as u64),
),
cause => {
println!("Error: {:?}", cause);
break;
}
},
}
}
Ok((result))
}
};
}
get_items!(
playlists,
spotify.user_playlists(spotify_uid.as_ref(), Some(CHUNK_SIZE), Some(playlist_index)),
FullPlaylist
);
fn load_playlist(spotify_uid: &str, spotify: &mut Spotify) -> Result<Vec<FullPlaylist>, Error> {
let mut playlist_index = 0;
loop {
match spotify.user_playlists(spotify_uid.as_ref(), Some(CHUNK_SIZE), Some(playlist_index)) {
Ok(playlists) => {
playlist_index += chunk_size;
if playlists.items.is_empty() {
break;
}
for playlist in playlists.items {}
}
Err(e) => match e.downcast::<ApiError>() {
Ok(ApiError::RateLimited(x)) => {
std::thread::sleep(std::time::Duration::from_secs(x.unwrap_or(5) as u64))
}
cause => {
println!("Error: {:?}", cause);
break;
}
},
}
}
Ok(())
}
pub fn load_profile(db_uid: i32, spotify_uid: &str, spotify: Spotify) -> Result<(), Error> {
let mut playlist_index = 0;
loop {
match spotify.user_playlists(spotify_uid.as_ref(), Some(chunk_size), Some(playlist_index)) {
Ok(playlists) => {
playlist_index += chunk_size;
if playlists.items.is_empty() {
break;
}
for playlist in playlists.items {
println!("playlist: {:?}", playlist.name);
let mut track_index = 0;
loop {
match spotify.user_playlist_tracks(
spotify_uid.as_ref(),
&playlist.id,
None,
Some(chunk_size),
Some(track_index),
None,
) {
Ok(tracks) => {
track_index += chunk_size;
if tracks.items.is_empty() {
break;
}
for track in tracks.items {
if let Err(e) = insert_track(uid, track.track) {
println!("failed to load track to db: {:?}", e)
};
}
}
Err(e) => match e.downcast::<ApiError>() {
Ok(ApiError::RateLimited(x)) => std::thread::sleep(
std::time::Duration::from_secs(x.unwrap_or(5) as u64),
),
cause => {
println!("Error: {:?}", cause);
break;
}
},
}
}
}
}
Err(e) => match e.downcast::<ApiError>() {
Ok(ApiError::RateLimited(x)) => {
std::thread::sleep(std::time::Duration::from_secs(x.unwrap_or(5) as u64))
}
cause => {
println!("Error: {:?}", cause);
break;
}
},
}
}
Ok(())
}
pub fn auth_user(name: &str, url: String) -> Result<(String, Spotify), Error> {
let mut guard = CACHE.lock()?;
let mut oauth = guard.remove(name)?;
println!("auth: {:?} url: {}", oauth, url);
let token_info = process_token(&mut oauth, &mut ("?code=".to_owned() + url.as_ref()));
let client_credential = SpotifyClientCredentials::default()
.token_info(token_info?)
.build();
let spotify = Spotify::default()
.client_credentials_manager(client_credential)
.build();
let user_id = spotify
.current_user()
.map_err(|e| format!("failed to load currentuser {:?}", e))?
.id;
Ok((user_id, spotify))
}
#[get("/token/<name>")]
pub fn token(name: String) -> Result<String, Error> {
let state = rspotify::spotify::util::generate_random_string(16);
let oauth = SpotifyOAuth::default();
let oauth = oauth
.scope("playlist-read-private, playlist-read-collaborative, user-read-private, user-follow-read, user-library-read")
.build();
let auth_url = oauth.get_authorize_url(Some(&state), None);
let mut guard = CACHE.lock()?;
guard.insert(name, oauth);
Ok(auth_url)
}
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