Video adding and subscriptions finished

VDownload.Core/Sources/Twitch/Helpers/Client.cs

@@ -0,0 +1,32 @@
+using System.Net;
+using System.Threading.Tasks;
+using VDownload.Core.Exceptions;
+
+namespace VDownload.Core.Services.Sources.Twitch.Helpers
+{
+    internal static class Client
+    {
+        internal static async Task<WebClient> Helix()
+        {
+            string accessToken = await Authorization.ReadAccessTokenAsync();
+            if (accessToken == null) throw new TwitchAccessTokenNotFoundException();
+
+            var twitchAccessTokenValidation = await Authorization.ValidateAccessTokenAsync(accessToken);
+            if (!twitchAccessTokenValidation.IsValid) throw new TwitchAccessTokenNotValidException();
+
+            WebClient client = new WebClient();
+            client.Headers.Add("Authorization", $"Bearer {accessToken}");
+            client.Headers.Add("Client-Id", Authorization.ClientID);
+
+            return client;
+        }
+
+        internal static WebClient GQL()
+        {
+            WebClient client = new WebClient();
+            client.Headers.Add("Client-Id", Authorization.GQLApiClientID);
+
+            return client;
+        }
+    }
+}