Better youtube searches (no errors)

NadekoBot/Classes/SearchHelper.cs

@@ -159,8 +159,17 @@ namespace NadekoBot.Classes
                                     $"part=snippet&maxResults=1" +
                                     $"&q={Uri.EscapeDataString(keywords)}" +
                                     $"&key={NadekoBot.Creds.GoogleAPIKey}").ConfigureAwait(false);
-            dynamic obj = JObject.Parse(response);
-            return "http://www.youtube.com/watch?v=" + obj.items[0].id.videoId.ToString();
+            JObject obj = JObject.Parse(response);
+
+            var data = JsonConvert.DeserializeObject<YoutubeVideoSearch>(response);
+
+            if (data.items.Length > 0)
+            {
+                var toReturn = "http://www.youtube.com/watch?v=" + data.items[0].id.videoId.ToString();
+                return toReturn;
+            }
+            else
+                return null;
         }
 
         public static async Task<string> GetPlaylistIdByKeyword(string query)
@@ -174,9 +183,10 @@ namespace NadekoBot.Classes
                        $"&key={NadekoBot.Creds.GoogleAPIKey}";
 
             var response = await GetResponseStringAsync(link).ConfigureAwait(false);
-            dynamic obj = JObject.Parse(response);
+            var data = JsonConvert.DeserializeObject<YoutubePlaylistSearch>(response);
+            JObject obj = JObject.Parse(response);
 
-            return obj.items[0].id.playlistId.ToString();
+            return data.items.Length > 0 ? data.items[0].id.playlistId.ToString() : null;
         }
 
         public static async Task<IEnumerable<string>> GetVideoIDs(string playlist, int number = 50)

NadekoBot/Modules/Music/Classes/Song.cs

@@ -249,7 +249,7 @@ namespace NadekoBot.Modules.Music.Classes
                     });
                 }
                 var link = await SearchHelper.FindYoutubeUrlByKeywords(query).ConfigureAwait(false);
-                if (link == String.Empty)
+                if (string.IsNullOrWhiteSpace(link))
                     throw new OperationCanceledException("Not a valid youtube query.");
                 var allVideos = await Task.Factory.StartNew(async () => await YouTube.Default.GetAllVideosAsync(link).ConfigureAwait(false)).Unwrap().ConfigureAwait(false);
                 var videos = allVideos.Where(v => v.AdaptiveKind == AdaptiveKind.Audio);

NadekoBot/Modules/Music/MusicModule.cs

@@ -276,7 +276,13 @@ namespace NadekoBot.Modules.Music
                             await e.Channel.SendMessage("💢 You need to be in a voice channel on this server.\n If you are already in a voice channel, try rejoining it.").ConfigureAwait(false);
                             return;
                         }
-                        var ids = await SearchHelper.GetVideoIDs(await SearchHelper.GetPlaylistIdByKeyword(arg).ConfigureAwait(false), 50).ConfigureAwait(false);
+                        var plId = await SearchHelper.GetPlaylistIdByKeyword(arg).ConfigureAwait(false);
+                        if (plId == null)
+                        {
+                            await e.Channel.SendMessage("No search results for that query.");
+                            return;
+                        }
+                        var ids = await SearchHelper.GetVideoIDs(plId, 50).ConfigureAwait(false);
                         //todo TEMPORARY SOLUTION, USE RESOLVE QUEUE IN THE FUTURE
                         var idArray = ids as string[] ?? ids.ToArray();
                         var count = idArray.Count();

NadekoBot/Modules/Searches/SearchesModule.cs

@@ -67,8 +67,13 @@ $@"🌍 **Weather for** 【{obj["target"]}】
                     .Do(async e =>
                     {
                         if (!(await SearchHelper.ValidateQuery(e.Channel, e.GetArg("query")).ConfigureAwait(false))) return;
-
-                        var shortUrl = await SearchHelper.ShortenUrl(await SearchHelper.FindYoutubeUrlByKeywords(e.GetArg("query")).ConfigureAwait(false)).ConfigureAwait(false);
+                        var link = await SearchHelper.FindYoutubeUrlByKeywords(e.GetArg("query")).ConfigureAwait(false);
+                        if (string.IsNullOrWhiteSpace(link))
+                        {
+                            await e.Channel.SendMessage("No results found for that query.");
+                            return;
+                        }
+                        var shortUrl = await SearchHelper.ShortenUrl(link).ConfigureAwait(false);
                         await e.Channel.SendMessage(shortUrl).ConfigureAwait(false);
                     });
 

NadekoBot/_Models/JSONModels/_JSONModels.cs

@@ -1,4 +1,7 @@
 // ReSharper disable InconsistentNaming
+
+using System.Diagnostics;
+
 namespace NadekoBot.Classes.JSONModels
 {
     public class Credentials
@@ -15,4 +18,78 @@ namespace NadekoBot.Classes.JSONModels
         public string LOLAPIKey = "";
         public string CarbonKey = "";
     }
+    [DebuggerDisplay("{items[0].id.playlistId}")]
+    public class YoutubePlaylistSearch
+    {
+        public YtPlaylistItem[] items { get; set; }
     }
+    public class YtPlaylistItem
+    {
+        public YtPlaylistId id { get; set; }
+    }
+    public class YtPlaylistId
+    {
+        public string kind { get; set; }
+        public string playlistId { get; set; }
+    }
+    [DebuggerDisplay("{items[0].id.videoId}")]
+    public class YoutubeVideoSearch
+    {
+        public YtVideoItem[] items { get; set; }
+    }
+    public class YtVideoItem
+    {
+        public YtVideoId id { get; set; }
+    }
+    public class YtVideoId
+    {
+        public string kind { get; set; }
+        public string videoId { get; set; }
+    }
+}
+
+//{
+// "kind": "youtube#searchListResponse",
+// "etag": "\"kiOs9cZLH2FUp6r6KJ8eyq_LIOk/hCJTmyH_v57mh_MvnUFSTHfjzBs\"",
+// "nextPageToken": "CAEQAA",
+// "regionCode": "RS",
+// "pageInfo": {
+//  "totalResults": 4603,
+//  "resultsPerPage": 1
+// },
+// "items": [
+//  {
+//   "kind": "youtube#searchResult",
+//   "etag": "\"kiOs9cZLH2FUp6r6KJ8eyq_LIOk/iD1S35mk0xOfwTB_8lpPZ9u-Vzc\"",
+//   "id": {
+//    "kind": "youtube#playlist",
+//    "playlistId": "PLs_KC2CCxJVMfOBnIyW5Kbu_GciNiYNAI"
+//   },
+//   "snippet": {
+//    "publishedAt": "2016-04-14T11:35:29.000Z",
+//    "channelId": "UCMLwm18Qa20L2L-HGpgC3jQ",
+//    "title": "Popular Videos - Otorimonogatari & mousou express",
+//    "description": "",
+//    "thumbnails": {
+//     "default": {
+//      "url": "https://i.ytimg.com/vi/2FeptLky2mU/default.jpg",
+//      "width": 120,
+//      "height": 90
+//     },
+//     "medium": {
+//      "url": "https://i.ytimg.com/vi/2FeptLky2mU/mqdefault.jpg",
+//      "width": 320,
+//      "height": 180
+//     },
+//     "high": {
+//      "url": "https://i.ytimg.com/vi/2FeptLky2mU/hqdefault.jpg",
+//      "width": 480,
+//      "height": 360
+//     }
+//    },
+//    "channelTitle": "Otorimonogatari - Topic",
+//    "liveBroadcastContent": "none"
+//   }
+//  }
+// ]
+//}