add support for incompatible mod version ranges

1 files changed, 12 insertions, 6 deletions

diff --git a/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs b/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs
index 9bf06552..bcc62bb4 100644
--- a/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs
+++ b/src/StardewModdingAPI/Framework/Models/IncompatibleMod.cs
@@ -14,8 +14,11 @@ namespace StardewModdingAPI.Framework.Models
         /// <summary>The mod name.</summary>
         public string Name { get; set; }
 
+        /// <summary>The oldest incompatible mod version, or <c>null</c> for all past versions.</summary>
+        public string LowerVersion { get; set; }
+
         /// <summary>The most recent incompatible mod version.</summary>
-        public string Version { get; set; }
+        public string UpperVersion { get; set; }
 
         /// <summary>The URL the user can check for an official updated version.</summary>
         public string UpdateUrl { get; set; }
@@ -23,7 +26,7 @@ namespace StardewModdingAPI.Framework.Models
         /// <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>
+        /// <summary>A regular expression matching version strings to consider compatible, even if they technically precede <see cref="UpperVersion"/>.</summary>
         public string ForceCompatibleVersion { get; set; }
 
 
@@ -34,14 +37,17 @@ namespace StardewModdingAPI.Framework.Models
         /// <param name="version">The current version of the matching mod.</param>
         public bool IsCompatible(ISemanticVersion version)
         {
-            ISemanticVersion incompatibleVersion = new SemanticVersion(this.Version);
+            ISemanticVersion lowerVersion = this.LowerVersion != null ? new SemanticVersion(this.LowerVersion) : null;
+            ISemanticVersion upperVersion = new SemanticVersion(this.UpperVersion);
 
-            // allow newer versions
-            if (version.IsNewerThan(incompatibleVersion))
+            // ignore versions not in range
+            if (lowerVersion != null && version.IsOlderThan(lowerVersion))
+                return true;
+            if (version.IsNewerThan(upperVersion))
                 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
+}