simplify single-instance deployment and make MongoDB server optional

1 files changed, 54 insertions, 0 deletions

diff --git a/src/SMAPI.Web/Framework/Caching/Wiki/WikiCacheMemoryRepository.cs b/src/SMAPI.Web/Framework/Caching/Wiki/WikiCacheMemoryRepository.cs
new file mode 100644
index 00000000..4621f5e3
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Caching/Wiki/WikiCacheMemoryRepository.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using StardewModdingAPI.Toolkit.Framework.Clients.Wiki;
+
+namespace StardewModdingAPI.Web.Framework.Caching.Wiki
+{
+    /// <summary>Manages cached wiki data in-memory.</summary>
+    internal class WikiCacheMemoryRepository : BaseCacheRepository, IWikiCacheRepository
+    {
+        /*********
+        ** Fields
+        *********/
+        /// <summary>The saved wiki metadata.</summary>
+        private CachedWikiMetadata Metadata;
+
+        /// <summary>The cached wiki data.</summary>
+        private CachedWikiMod[] Mods = new CachedWikiMod[0];
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Get the cached wiki metadata.</summary>
+        /// <param name="metadata">The fetched metadata.</param>
+        public bool TryGetWikiMetadata(out CachedWikiMetadata metadata)
+        {
+            metadata = this.Metadata;
+            return metadata != null;
+        }
+
+        /// <summary>Get the cached wiki mods.</summary>
+        /// <param name="filter">A filter to apply, if any.</param>
+        public IEnumerable<CachedWikiMod> GetWikiMods(Expression<Func<CachedWikiMod, bool>> filter = null)
+        {
+            return filter != null
+                ? this.Mods.Where(filter.Compile())
+                : this.Mods.ToArray();
+        }
+
+        /// <summary>Save data fetched from the wiki compatibility list.</summary>
+        /// <param name="stableVersion">The current stable Stardew Valley version.</param>
+        /// <param name="betaVersion">The current beta Stardew Valley version.</param>
+        /// <param name="mods">The mod data.</param>
+        /// <param name="cachedMetadata">The stored metadata record.</param>
+        /// <param name="cachedMods">The stored mod records.</param>
+        public void SaveWikiData(string stableVersion, string betaVersion, IEnumerable<WikiModEntry> mods, out CachedWikiMetadata cachedMetadata, out CachedWikiMod[] cachedMods)
+        {
+            this.Metadata = cachedMetadata = new CachedWikiMetadata(stableVersion, betaVersion);
+            this.Mods = cachedMods = mods.Select(mod => new CachedWikiMod(mod)).ToArray();
+        }
+    }
+}