New: Lidarr to Readarr

src/Readarr.Http/Frontend/CacheableSpecification.cs

@@ -0,0 +1,74 @@
+using System;
+using Nancy;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Common.Extensions;
+
+namespace Readarr.Http.Frontend
+{
+    public interface ICacheableSpecification
+    {
+        bool IsCacheable(NancyContext context);
+    }
+
+    public class CacheableSpecification : ICacheableSpecification
+    {
+        public bool IsCacheable(NancyContext context)
+        {
+            if (!RuntimeInfo.IsProduction)
+            {
+                return false;
+            }
+
+            if (((DynamicDictionary)context.Request.Query).ContainsKey("h"))
+            {
+                return true;
+            }
+
+            if (context.Request.Path.StartsWith("/api", StringComparison.CurrentCultureIgnoreCase))
+            {
+                if (context.Request.Path.ContainsIgnoreCase("/MediaCover"))
+                {
+                    return true;
+                }
+
+                return false;
+            }
+
+            if (context.Request.Path.StartsWith("/signalr", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.EndsWith("index.js"))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.EndsWith("initialize.js"))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.StartsWith("/feed", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.StartsWith("/log", StringComparison.CurrentCultureIgnoreCase) &&
+                context.Request.Path.EndsWith(".txt", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Response != null)
+            {
+                if (context.Response.ContentType.Contains("text/html"))
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+}