1 files changed, 58 insertions, 0 deletions
diff --git a/src/SMAPI.Web/Framework/Clients/UpdateManifest/UpdateManifestModPage.cs b/src/SMAPI.Web/Framework/Clients/UpdateManifest/UpdateManifestModPage.cs
new file mode 100644
index 00000000..109175b5
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Clients/UpdateManifest/UpdateManifestModPage.cs
@@ -0,0 +1,58 @@
+// Copyright 2022 Jamie Taylor
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using StardewModdingAPI.Toolkit.Framework.UpdateData;
+
+namespace StardewModdingAPI.Web.Framework.Clients.UpdateManifest {
+    /// <summary>Metadata about an update manifest "page".</summary>
+    internal class UpdateManifestModPage : GenericModPage {
+        /// <summary>The update manifest model.</summary>
+        private UpdateManifestModel manifest;
+
+        /// <summary>Constuct an instance.</summary>
+        /// <param name="id">The "id" (i.e., URL) of this update manifest.</param>
+        /// <param name="manifest">The manifest object model.</param>
+        public UpdateManifestModPage(string id, UpdateManifestModel manifest) : base(ModSiteKey.UpdateManifest, id) {
+            this.IsSubkeyStrict = true;
+            this.manifest = manifest;
+            this.SetInfo(name: id, url: id, version: null, downloads: TranslateDownloads(manifest).ToArray());
+        }
+
+        /// <summary>Return the mod name for the given subkey, if it exists in this update manifest.</summary>
+        /// <param name="subkey">The subkey.</param>
+        /// <returns>The mod name for the given subkey, or <see langword="null"/> if this manifest does not contain the given subkey.</returns>
+        public override string? GetName(string? subkey) {
+            if (subkey is null)
+                return null;
+            this.manifest.Subkeys.TryGetValue(subkey, out UpdateManifestModModel? modModel);
+            return modModel?.Name;
+        }
+
+        /// <summary>Return the mod URL for the given subkey, if it exists in this update manifest.</summary>
+        /// <param name="subkey">The subkey.</param>
+        /// <returns>The mod URL for the given subkey, or <see langword="null"/> if this manifest does not contain the given subkey.</returns>
+        public override string? GetUrl(string? subkey) {
+            if (subkey is null)
+                return null;
+            this.manifest.Subkeys.TryGetValue(subkey, out UpdateManifestModModel? modModel);
+            return modModel?.Url;
+        }
+
+
+        /*********
+        ** Private methods
+        *********/
+        /// <summary>Translate the downloads from the manifest's object model into <see cref="IModDownload"/> objects.</summary>
+        /// <param name="manifest">The manifest object model.</param>
+        /// <returns>An <see cref="IModDownload"/> for each <see cref="UpdateManifestVersionModel"/> in the manifest.</returns>
+        private static IEnumerable<IModDownload> TranslateDownloads(UpdateManifestModel manifest) {
+            foreach (var entry in manifest.Subkeys) {
+                foreach (var version in entry.Value.Versions) {
+                    yield return new UpdateManifestModDownload(entry.Key, entry.Value.Name, version.Version, version.DownloadFileUrl ?? version.DownloadPageUrl);
+                }
+            }
+        }
+
+    }
+}
+\ No newline at end of file