Begin Spotify uploading

src/types.zig

@@ -1,17 +1,12 @@
+const zeit = @import("zeit");
+
 pub const LastFMScrobble = struct {
     track: []const u8,
     artist: []const u8,
-    album: ?[]const u8 = "",
+    album: []const u8 = "",
     date: i128,
 };
 
-pub const SafeLastFMScrobble = struct {
-    track: []const u8,
-    artist: []const u8,
-    album: []const u8,
-    date: u64,
-};
-
 // From lastfmstats.com
 pub const LastFM = struct { username: []const u8, scrobbles: []LastFMScrobble };
 
@@ -35,6 +30,14 @@ pub const SpotifyScrobble = struct {
     offline: bool,
     offline_timestamp: u64,
     incognito_mode: bool,
+
+    pub fn scrobblize(self: *SpotifyScrobble) LastFMScrobble {
+        return LastFMScrobble{ .track = self.master_metadata_track_name, .artist = self.master_metadata_artist_name, .album = self.master_metadata_album_name, .date = try zeit.instant(.{ .source = .{ .iso8601 = self.ts } }).unixTimestamp() };
+    }
 };
 
 pub const Spotify = struct { scrobbles: []SpotifyScrobble };
+
+const UploadDataTag = enum { spotify, lastfm };
+
+pub const UploadData = union(UploadDataTag) { spotify: Spotify, lastfm: LastFM };