1 files changed, 71 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..df752713
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Clients/UpdateManifest/UpdateManifestModPage.cs
@@ -0,0 +1,71 @@
+using System.Collections.Generic;
+using System.Linq;
+using StardewModdingAPI.Toolkit.Framework.UpdateData;
+using StardewModdingAPI.Web.Framework.Clients.UpdateManifest.ResponseModels;
+
+namespace StardewModdingAPI.Web.Framework.Clients.UpdateManifest
+{
+    /// <summary>Metadata about an update manifest "page".</summary>
+    internal class UpdateManifestModPage : GenericModPage
+    {
+        /*********
+        ** Fields
+        *********/
+        /// <summary>The mods from the update manifest.</summary>
+        private readonly IDictionary<string, UpdateManifestModModel> Mods;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="url">The URL of the update manifest file.</param>
+        /// <param name="manifest">The parsed update manifest.</param>
+        public UpdateManifestModPage(string url, UpdateManifestModel manifest)
+            : base(ModSiteKey.UpdateManifest, url)
+        {
+            this.RequireSubkey = true;
+            this.Mods = manifest.Mods;
+            this.SetInfo(name: url, url: url, version: null, downloads: this.ParseDownloads(manifest.Mods).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)
+        {
+            return subkey is not null && this.Mods.TryGetValue(subkey.TrimStart('@'), out UpdateManifestModModel? mod)
+                ? mod.Name
+                : null;
+        }
+
+        /// <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)
+        {
+            return subkey is not null && this.Mods.TryGetValue(subkey.TrimStart('@'), out UpdateManifestModModel? mod)
+                ? mod.ModPageUrl
+                : null;
+        }
+
+
+        /*********
+        ** Private methods
+        *********/
+        /// <summary>Convert the raw download info from an update manifest to <see cref="IModDownload"/>.</summary>
+        /// <param name="mods">The mods from the update manifest.</param>
+        private IEnumerable<IModDownload> ParseDownloads(IDictionary<string, UpdateManifestModModel>? mods)
+        {
+            if (mods is null)
+                yield break;
+
+            foreach ((string modKey, UpdateManifestModModel mod) in mods)
+            {
+                foreach (UpdateManifestVersionModel version in mod.Versions)
+                    yield return new UpdateManifestModDownload(modKey, mod.Name ?? modKey, version.Version, version.ModPageUrl);
+            }
+        }
+
+    }
+}