From ca7a149874e99a8f401cb30c430f58a48be4c642 Mon Sep 17 00:00:00 2001
From: Al <26797547+Al12rs@users.noreply.github.com>
Date: Mon, 4 May 2026 04:47:20 +0200
Subject: Improve mod update check accuracy (#2385)

* Index API response into lookup maps

* extract new findLatestActiveSuccessor method from update check function

* extract method to check if a file is active

* use new isActiveFileStatus in modInfoRegular

* fix bug when merging during mod install

* remember ordering of installed nexus file ids

* refactor update check logic to prioritize Nexus file IDs over filenames

* refactor nxmUpdatesAvailable to simplify update checking logic

* refactor update check logic to find Nexus file IDs by filename and streamline successor retrieval

* refactor update checking to streamline version resolution and improve successor retrieval
---
 src/nexusinterface.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src/nexusinterface.h')

diff --git a/src/nexusinterface.h b/src/nexusinterface.h
index f6efef1d..dd9650b1 100644
--- a/src/nexusinterface.h
+++ b/src/nexusinterface.h
@@ -183,6 +183,31 @@ public:
                             // listed we can assume they were hidden.
   };
 
+  /**
+   * @brief Whether a Nexus file category represents a file that is still
+   *   listed and considered current on the mod page.
+   *
+   * Inactive (false) refers to files that have been marked as obsolete or have been
+   * removed.
+   */
+  static bool isActiveFileStatus(int status)
+  {
+    switch (status) {
+    case FileStatus::MAIN:
+    case FileStatus::UPDATE:
+    case FileStatus::OPTIONAL_FILE:
+    case FileStatus::MISCELLANEOUS:
+      return true;
+    case FileStatus::OLD_VERSION:
+    case FileStatus::REMOVED:
+    case FileStatus::ARCHIVED:
+    case FileStatus::ARCHIVED_HIDDEN:
+      return false;
+    default:
+      return false;
+    }
+  }
+
 public:
   static APILimits defaultAPILimits();
   static APILimits parseLimits(const QNetworkReply* reply);
-- 
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