Basic searching in osu!direct, move BeatmapSetOnlineInfo covers into their own class

osu.Game/Online/API/Requests/GetBeatmapSetsRequest.cs

@@ -0,0 +1,86 @@
+// 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.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using osu.Game.Database;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetBeatmapSetsRequest : APIRequest<IEnumerable<GetBeatmapSetsResponse>>
+    {
+        private readonly string query;
+
+        public GetBeatmapSetsRequest(string query)
+        {
+            this.query = System.Uri.EscapeDataString(query);
+        }
+
+        protected override string Target => $@"beatmapsets/search?q={query}";
+    }
+
+    public class GetBeatmapSetsResponse : BeatmapMetadata
+    {
+        [JsonProperty(@"covers")]
+        private BeatmapSetOnlineCovers covers { get; set; }
+
+        [JsonProperty(@"previewUrl")]
+        private string preview { get; set; }
+
+        [JsonProperty(@"play_count")]
+        private int playCount { get; set; }
+
+        [JsonProperty(@"favourite_count")]
+        private int favouriteCount { get; set; }
+
+        [JsonProperty(@"beatmaps")]
+        private IEnumerable<GetBeatmapSetsBeatmapResponse> beatmaps { get; set; }
+
+        public BeatmapSetInfo ToSetInfo(RulesetDatabase rulesets)
+        {
+            return new BeatmapSetInfo
+            {
+                Metadata = this,
+                OnlineInfo = new BeatmapSetOnlineInfo
+                {
+                    Covers = covers,
+                    Preview = preview,
+                    PlayCount = playCount,
+                    FavouriteCount = favouriteCount,
+                },
+                Beatmaps = beatmaps.Select(b => b.ToBeatmap(rulesets)).ToList(),
+            };
+        }
+
+        private class GetBeatmapSetsBeatmapResponse : BeatmapMetadata
+        {
+            [JsonProperty(@"playcount")]
+            private int playCount { get; set; }
+
+            [JsonProperty(@"passcount")]
+            private int passCount { get; set; }
+
+            [JsonProperty(@"mode_int")]
+            private int ruleset { get; set; }
+
+            [JsonProperty(@"difficulty_rating")]
+            private double starDifficulty { get; set; }
+
+            public BeatmapInfo ToBeatmap(RulesetDatabase rulesets)
+            {
+                return new BeatmapInfo
+                {
+                    Metadata = this,
+                    Ruleset = rulesets.GetRuleset(ruleset),
+                    StarDifficulty = starDifficulty,
+                    OnlineInfo = new BeatmapOnlineInfo
+                    {
+                        PlayCount = playCount,
+                        PassCount = passCount,
+                    },
+                };
+            }
+        }
+    }
+}