[#39669] beta versions are older then release

-  https://community.openproject.org/work_packages/39669
- adapted version comparison logic

CHANGELOG.md

@@ -3,6 +3,14 @@
 This is the Changelog for the OpenProject Revit Add-in. It follows the guidelines described
 in https://keepachangelog.com/en/1.0.0/. The versions follow [semantic versioning](https://semver.org/).
 
+## [Unreleased]
+
+### Fixed
+
+- Pre-release versions now are correctly identified as older, when compared to the related release. I.e. when the
+  version `v2.3.1-beta17` is installed and the version `v2.3.1` is available, the update notification dialog is
+  displayed.
+
 ## [2.3.3] - 2021-11-04
 
 ### Added

src/OpenProject.Browser/Models/Version.cs

@@ -81,6 +81,12 @@ public int CompareTo(Version other)
       if (_patch < other._patch)
         return -1;
 
+      if (string.IsNullOrWhiteSpace(_suffix) && !string.IsNullOrWhiteSpace(other._suffix))
+        return 1;
+
+      if (!string.IsNullOrWhiteSpace(_suffix) && string.IsNullOrWhiteSpace(other._suffix))
+        return -1;
+
       var stringComparison = string.CompareOrdinal(_suffix, other._suffix);
       return stringComparison > 0 ? 1 : stringComparison < 0 ? -1 : 0;
     }

test/OpenProject.Tests/Models/VersionTests.cs

@@ -35,7 +35,7 @@ public static IEnumerable<object[]> DataForCompare()
       yield return new object[] { Version.Parse("1.0.0"), Version.Parse("1.1.0"), -1 };
       yield return new object[] { Version.Parse("1.0.0"), Version.Parse("1.0.0"), 0 };
       yield return new object[] { Version.Parse("1.1.13"), Version.Parse("1.1.3"), 1 };
-      yield return new object[] { Version.Parse("1.1.13"), Version.Parse("1.1.13-beta3"), -1 };
+      yield return new object[] { Version.Parse("1.1.13"), Version.Parse("1.1.13-beta3"), 1 };
       yield return new object[] { Version.Parse("1.1.3-abc"), Version.Parse("1.1.3-cba"), -1 };
       yield return new object[] { Version.Parse("1.1.3-b3ee44"), Version.Parse("1.1.3-02aa3e"), 1 };
       yield return new object[] { Version.Parse("1.1.3-0006"), Version.Parse("1.1.3-0007"), -1 };