initial commit

Plugins/BTCPayServer.Plugins.RockstarStylist/RockstarStyleProvider.cs

@@ -0,0 +1,37 @@
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading.Tasks;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Plugins.RockstarStylist
+{
+    public class RockstarStyleProvider
+    {
+        private HttpClient _githubClient;
+
+        public RockstarStyleProvider(IHttpClientFactory httpClientFactory)
+        {
+            _githubClient = httpClientFactory.CreateClient();
+            _githubClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("btcpayserver", "1"));
+        }
+
+        public async Task<RockstarStyle[]> Get()
+        {
+            var response = JArray.Parse(await _githubClient.GetStringAsync("https://api.github.com/repos/btcpayserver/BTCPayThemes/contents")); 
+            return response.Where(token => token.Value<string>("type") == "dir").Select(token => new RockstarStyle()
+            {
+                StyleName = token.Value<string>("name"),
+                CssUrl = $"https://btcpayserver.github.io/BTCPayThemes/{token.Value<string>("name")}/btcpay-checkout.custom.css",
+                PreviewUrl = $"https://btcpayserver.github.io/BTCPayThemes/{token.Value<string>("name")}"
+            }).ToArray();
+        }
+    }
+
+    public class RockstarStyle
+    {
+        public string StyleName { get; set; }
+        public string CssUrl { get; set; }
+        public string PreviewUrl { get; set; }
+    }
+}