1 files changed, 65 insertions, 0 deletions
diff --git a/src/SMAPI.Toolkit/Framework/ModData/ModDatabase.cs b/src/SMAPI.Toolkit/Framework/ModData/ModDatabase.cs
new file mode 100644
index 00000000..a9da884a
--- /dev/null
+++ b/src/SMAPI.Toolkit/Framework/ModData/ModDatabase.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace StardewModdingAPI.Toolkit.Framework.ModData
+{
+    /// <summary>Handles access to SMAPI's internal mod metadata list.</summary>
+    public class ModDatabase
+    {
+        /*********
+        ** Fields
+        *********/
+        /// <summary>The underlying mod data records indexed by default display name.</summary>
+        private readonly ModDataRecord[] Records;
+
+        /// <summary>Get an update URL for an update key (if valid).</summary>
+        private readonly Func<string, string> GetUpdateUrl;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an empty instance.</summary>
+        public ModDatabase()
+        : this(new ModDataRecord[0], key => null) { }
+
+        /// <summary>Construct an instance.</summary>
+        /// <param name="records">The underlying mod data records indexed by default display name.</param>
+        /// <param name="getUpdateUrl">Get an update URL for an update key (if valid).</param>
+        public ModDatabase(IEnumerable<ModDataRecord> records, Func<string, string> getUpdateUrl)
+        {
+            this.Records = records.ToArray();
+            this.GetUpdateUrl = getUpdateUrl;
+        }
+
+        /// <summary>Get all mod data records.</summary>
+        public IEnumerable<ModDataRecord> GetAll()
+        {
+            return this.Records;
+        }
+
+        /// <summary>Get a mod data record.</summary>
+        /// <param name="modID">The unique mod ID.</param>
+        public ModDataRecord Get(string modID)
+        {
+            return !string.IsNullOrWhiteSpace(modID)
+                ? this.Records.FirstOrDefault(p => p.HasID(modID))
+                : null;
+        }
+
+        /// <summary>Get the mod page URL for a mod (if available).</summary>
+        /// <param name="id">The unique mod ID.</param>
+        public string GetModPageUrlFor(string id)
+        {
+            // get update key
+            ModDataRecord record = this.Get(id);
+            ModDataField updateKeyField = record?.Fields.FirstOrDefault(p => p.Key == ModDataFieldKey.UpdateKey);
+            if (updateKeyField == null)
+                return null;
+
+            // get update URL
+            return this.GetUpdateUrl(updateKeyField.Value);
+        }
+    }
+}