add background fetch for mod compatibility list (#651)

1 files changed, 18 insertions, 1 deletions

diff --git a/src/SMAPI.Web/ViewModels/ModListModel.cs b/src/SMAPI.Web/ViewModels/ModListModel.cs
index 3b87d393..ff7513bc 100644
--- a/src/SMAPI.Web/ViewModels/ModListModel.cs
+++ b/src/SMAPI.Web/ViewModels/ModListModel.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -18,19 +19,35 @@ namespace StardewModdingAPI.Web.ViewModels
         /// <summary>The mods to display.</summary>
         public ModModel[] Mods { get; set; }
 
+        /// <summary>When the data was last updated.</summary>
+        public DateTimeOffset LastUpdated { get; set; }
+
+        /// <summary>Whether the data hasn't been updated in a while.</summary>
+        public bool IsStale { get; set; }
+
+        /// <summary>Whether the mod metadata is available.</summary>
+        public bool HasData => this.Mods != null;
+
 
         /*********
         ** Public methods
         *********/
+        /// <summary>Construct an empty instance.</summary>
+        public ModListModel() { }
+
         /// <summary>Construct an instance.</summary>
         /// <param name="stableVersion">The current stable version of the game.</param>
         /// <param name="betaVersion">The current beta version of the game (if any).</param>
         /// <param name="mods">The mods to display.</param>
-        public ModListModel(string stableVersion, string betaVersion, IEnumerable<ModModel> mods)
+        /// <param name="lastUpdated">When the data was last updated.</param>
+        /// <param name="isStale">Whether the data hasn't been updated in a while.</param>
+        public ModListModel(string stableVersion, string betaVersion, IEnumerable<ModModel> mods, DateTimeOffset lastUpdated, bool isStale)
         {
             this.StableVersion = stableVersion;
             this.BetaVersion = betaVersion;
             this.Mods = mods.ToArray();
+            this.LastUpdated = lastUpdated;
+            this.IsStale = isStale;
         }
     }
 }