Add GetAssetReleaseDetails capability to asset library extension to HttpClientHelper

2LCS/AssetLibrary/HttpClientHelperAssetLibraryExtension.cs

@@ -23,6 +23,13 @@ internal static class HttpClientHelperAssetLibraryExtension
         return $"{httpClientHelper.LcsUrl}/FileAsset/GetFileAssetVersions";
     }
 
+    internal static string GetDownloadReleaseDetailsForAssetUrl(
+        this HttpClientHelper httpClientHelper,
+        string releaseDetailsLink)
+    {
+        return $"{httpClientHelper.LcsUrl}{releaseDetailsLink}&_={DateTimeOffset.Now.ToUnixTimeSeconds()}";
+    }
+
     internal static List<Asset> GetSharedAssetList(
         this HttpClientHelper httpClientHelper,
         AssetFileType assetFileType)
@@ -72,4 +79,31 @@ internal static class HttpClientHelperAssetLibraryExtension
 
         return assetVersionList;
     }
+
+    internal static string GetAssetReleaseDetails(
+        this HttpClientHelper httpClientHelper,
+        string releaseDetailsLink)
+    {
+        if (string.IsNullOrEmpty(releaseDetailsLink))
+        {
+            return string.Empty;
+        }
+        
+        var url = httpClientHelper.GetDownloadReleaseDetailsForAssetUrl(releaseDetailsLink);
+        var result = httpClientHelper.GetHttpClient().GetAsync(url).Result;
+        result.EnsureSuccessStatusCode();
+
+        var responseBody = result.Content.ReadAsStringAsync().Result;
+        var response = JsonConvert.DeserializeObject<Response>(responseBody);
+        if (response.Success 
+            && response.Data != null
+            && response.Data is JToken responseData)
+        {
+            var releaseNotesLink = responseData["RedirectLink"].ToString();
+            var releaseNotes = httpClientHelper.GetHttpClient().GetAsync(releaseNotesLink).Result;
+            return releaseNotes.Content.ReadAsStringAsync().Result;
+        }
+
+        return string.Empty;
+    }
 }