+BeatmapOnlineInfo, +OnlineWorkingBeatmap, minor cleanups, panel beatmap backgrounds

osu.Game/Database/BeatmapInfo.cs

@@ -43,6 +43,9 @@ namespace osu.Game.Database
         [Ignore]
         public BeatmapMetrics Metrics { get; set; }
 
+        [Ignore]
+        public BeatmapOnlineInfo OnlineInfo { get; set; }
+
         public string Path { get; set; }
 
         [JsonProperty("file_md5")]

osu.Game/Database/BeatmapOnlineInfo.cs

@@ -0,0 +1,38 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+namespace osu.Game.Database
+{
+    /// <summary>
+    /// Beatmap info retrieved for non-local viewing.
+    /// </summary>
+    public class BeatmapOnlineInfo
+    {
+        /// <summary>
+        /// The different sizes of cover art for this beatmap: cover, cover@2x, card, card@2x, list, list@2x.
+        /// </summary>
+        [JsonProperty(@"covers")]
+        public IEnumerable<string> Covers { get; set; }
+
+        /// <summary>
+        /// A small sample clip of this beatmap's song.
+        /// </summary>
+        [JsonProperty(@"previewUrl")]
+        public string Preview { get; set; }
+
+        /// <summary>
+        /// The amount of plays this beatmap has.
+        /// </summary>
+        [JsonProperty(@"play_count")]
+        public int PlayCount { get; set; }
+
+        /// <summary>
+        /// The amount of people who have favourited this map.
+        /// </summary>
+        [JsonProperty(@"favourite_count")]
+        public int FavouriteCount { get; set; }
+    }
+}

osu.Game/Database/OnlineWorkingBeatmap.cs

@@ -0,0 +1,37 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Linq;
+using osu.Framework.Audio.Track;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Beatmaps;
+
+namespace osu.Game.Database
+{
+    internal class OnlineWorkingBeatmap : WorkingBeatmap
+	{
+        private TextureStore textures;
+        private TrackManager tracks;
+
+        public OnlineWorkingBeatmap(BeatmapInfo beatmapInfo, TextureStore textures, TrackManager tracks) : base(beatmapInfo)
+        {
+            this.textures = textures;
+            this.tracks = tracks;
+        }
+
+        protected override Beatmap GetBeatmap()
+        {
+            return new Beatmap();
+        }
+
+        protected override Texture GetBackground()
+        {
+            return textures.Get(BeatmapInfo.OnlineInfo.Covers.FirstOrDefault());
+        }
+
+        protected override Track GetTrack()
+        {
+            return tracks.Get(BeatmapInfo.OnlineInfo.Preview);
+        }
+    }
+}