Killed history

NadekoBot.Core/Services/Impl/SoundCloudApiService.cs

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+using Newtonsoft.Json;
+using System;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Core.Services.Impl
+{
+    public class SoundCloudApiService : INService
+    {
+        private readonly IHttpClientFactory _httpFactory;
+
+        public SoundCloudApiService(IHttpClientFactory factory)
+        {
+            _httpFactory = factory;
+        }
+
+        public async Task<SoundCloudVideo> ResolveVideoAsync(string url)
+        {
+            if (string.IsNullOrWhiteSpace(url))
+                throw new ArgumentNullException(nameof(url));
+
+            string response = "";
+
+            using (var http = _httpFactory.CreateClient())
+            {
+                response = await http.GetStringAsync($"https://scapi.nadeko.bot/resolve?url={url}").ConfigureAwait(false);
+            }
+            
+            var responseObj = JsonConvert.DeserializeObject<SoundCloudVideo>(response);
+            if (responseObj?.Kind != "track")
+                throw new InvalidOperationException("Url is either not a track, or it doesn't exist.");
+
+            return responseObj;
+        }
+
+        public async Task<SoundCloudVideo> GetVideoByQueryAsync(string query)
+        {
+            if (string.IsNullOrWhiteSpace(query))
+                throw new ArgumentNullException(nameof(query));
+
+            var response = "";
+            using (var http = _httpFactory.CreateClient())
+            {
+                response = await http.GetStringAsync(new Uri($"https://scapi.nadeko.bot/tracks?q={Uri.EscapeDataString(query)}")).ConfigureAwait(false);
+            }
+
+            var responseObj = JsonConvert.DeserializeObject<SoundCloudVideo[]>(response)
+                .FirstOrDefault(s => s.Streamable is true);
+            
+            if (responseObj?.Kind != "track")
+                throw new InvalidOperationException("Query yielded no results.");
+
+            return responseObj;
+        }
+    }
+
+    public class SoundCloudVideo
+    {
+        public string Kind { get; set; } = "";
+        public long Id { get; set; } = 0;
+        public SoundCloudUser User { get; set; } = new SoundCloudUser();
+        public string Title { get; set; } = "";
+        public string FullName => User.Name + " - " + Title;
+        public bool? Streamable { get; set; } = false;
+        public int Duration { get; set; }
+        [JsonProperty("permalink_url")]
+        public string TrackLink { get; set; } = "";
+        [JsonProperty("artwork_url")]
+        public string ArtworkUrl { get; set; } = "";
+    }
+    
+    public class SoundCloudUser
+    {
+        [JsonProperty("username")]
+        public string Name { get; set; }
+    }
+}