3 files changed, 81 insertions, 0 deletions
diff --git a/src/StardewModdingAPI/Framework/Models/GitRelease.cs b/src/StardewModdingAPI/Framework/Models/GitRelease.cs
new file mode 100644
index 00000000..bc53468f
--- /dev/null
+++ b/src/StardewModdingAPI/Framework/Models/GitRelease.cs
@@ -0,0 +1,19 @@
+using Newtonsoft.Json;
+
+namespace StardewModdingAPI.Framework.Models
+{
+    /// <summary>Metadata about a GitHub release tag.</summary>
+    internal class GitRelease
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The display name.</summary>
+        [JsonProperty("name")]
+        public string Name { get; set; }
+
+        /// <summary>The semantic version string.</summary>
+        [JsonProperty("tag_name")]
+        public string Tag { get; set; }
+    }
+}
+\ No newline at end of file
diff --git a/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs b/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs
new file mode 100644
index 00000000..9bf06552
--- /dev/null
+++ b/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs
@@ -0,0 +1,47 @@
+using System.Text.RegularExpressions;
+
+namespace StardewModdingAPI.Framework.Models
+{
+    /// <summary>Contains abstract metadata about an incompatible mod.</summary>
+    internal class IncompatibleMod
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The unique mod ID.</summary>
+        public string ID { get; set; }
+
+        /// <summary>The mod name.</summary>
+        public string Name { get; set; }
+
+        /// <summary>The most recent incompatible mod version.</summary>
+        public string Version { get; set; }
+
+        /// <summary>The URL the user can check for an official updated version.</summary>
+        public string UpdateUrl { get; set; }
+
+        /// <summary>The URL the user can check for an unofficial updated version.</summary>
+        public string UnofficialUpdateUrl { get; set; }
+
+        /// <summary>A regular expression matching version strings to consider compatible, even if they technically precede <see cref="Version"/>.</summary>
+        public string ForceCompatibleVersion { get; set; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Get whether the specified version is compatible according to this metadata.</summary>
+        /// <param name="version">The current version of the matching mod.</param>
+        public bool IsCompatible(ISemanticVersion version)
+        {
+            ISemanticVersion incompatibleVersion = new SemanticVersion(this.Version);
+
+            // allow newer versions
+            if (version.IsNewerThan(incompatibleVersion))
+                return true;
+
+            // allow versions matching override
+            return !string.IsNullOrWhiteSpace(this.ForceCompatibleVersion) && Regex.IsMatch(version.ToString(), this.ForceCompatibleVersion, RegexOptions.IgnoreCase);
+        }
+    }
+}
+\ No newline at end of file
diff --git a/src/StardewModdingAPI/Framework/Models/UserSettings.cs b/src/StardewModdingAPI/Framework/Models/UserSettings.cs
new file mode 100644
index 00000000..a0074f77
--- /dev/null
+++ b/src/StardewModdingAPI/Framework/Models/UserSettings.cs
@@ -0,0 +1,15 @@
+namespace StardewModdingAPI.Framework.Models
+{
+    /// <summary>Contains user settings from SMAPI's JSON configuration file.</summary>
+    internal class UserSettings
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>Whether to enable development features.</summary>
+        public bool DeveloperMode { get; set; }
+
+        /// <summary>Whether to check if a newer version of SMAPI is available on startup.</summary>
+        public bool CheckForUpdates { get; set; } = true;
+    }
+}