From 9dabc84f2227363d5cf99e4e876c46bde63b8051 Mon Sep 17 00:00:00 2001
From: Vegard Matthey <vegardmatthey@protonmail.com>
Date: Fri, 27 Feb 2026 00:44:15 +0100
Subject: [PATCH] make sure metadata is set when first generated

---
 ImageViewer/ViewController.swift | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/ImageViewer/ViewController.swift b/ImageViewer/ViewController.swift
index 7bddb81..d746ba7 100644
--- a/ImageViewer/ViewController.swift
+++ b/ImageViewer/ViewController.swift
@@ -303,7 +303,7 @@ class ViewController: UIViewController, UIGestureRecognizerDelegate {
             return
         }
 
-        var metadata = Metadata.init(
+        var newMetadata = Metadata.init(
             title: "",
             original_language: "",
             last_volume: MetaValue.init(main: 0, bonus: nil),
@@ -347,9 +347,9 @@ class ViewController: UIViewController, UIGestureRecognizerDelegate {
 
                     if currentVolume != nil {
                         if volume != currentVolume {
-                            metadata.chapter_count += 1
+                            newMetadata.chapter_count += 1
                             assert(volume > currentVolume)
-                            metadata.volumes.append(
+                            newMetadata.volumes.append(
                                 VolumeMetadata.init(
                                     volume: MetaValue.init(main: volume, bonus: nil), name: nil,
                                     chapters: [
@@ -364,13 +364,13 @@ class ViewController: UIViewController, UIGestureRecognizerDelegate {
                                             ])
                                     ]))
                         } else if chapter != currentChapter {
-                            metadata.chapter_count += 1
+                            newMetadata.chapter_count += 1
                             if chapter.0 == currentChapter.0 {
                                 assert(chapter.1! == currentChapter.1 ?? 1)
                             } else {
                                 assert(chapter.0 == currentChapter.0 + 1)
                             }
-                            metadata.volumes[metadata.volumes.count - 1].chapters.append(
+                            newMetadata.volumes[newMetadata.volumes.count - 1].chapters.append(
                                 ChapterMetadata.init(
                                     chapter: MetaValue.init(main: chapter.0, bonus: chapter.1),
                                     name: "",
@@ -380,16 +380,16 @@ class ViewController: UIViewController, UIGestureRecognizerDelegate {
                                             firstPage: page)
                                     ]))
                         } else {
-                            metadata.volumes[metadata.volumes.count - 1].chapters[
-                                metadata.volumes[metadata.volumes.count - 1].chapters.count - 1
+                            newMetadata.volumes[newMetadata.volumes.count - 1].chapters[
+                                newMetadata.volumes[newMetadata.volumes.count - 1].chapters.count - 1
                             ].images.append(
                                 ImageMetadata.init(
                                     doublePage: doublePage, fileName: fileName, firstPage: page)
                             )
                         }
                     } else {
-                        metadata.chapter_count += 1
-                        metadata.volumes.append(
+                        newMetadata.chapter_count += 1
+                        newMetadata.volumes.append(
                             VolumeMetadata.init(
                                 volume: MetaValue.init(main: volume, bonus: nil), name: nil,
                                 chapters: [
@@ -411,16 +411,18 @@ class ViewController: UIViewController, UIGestureRecognizerDelegate {
             print("failed reading image file names")
         }
 
+        metadata = newMetadata
+
         do {
             let encoder = JSONEncoder()
             encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
             encoder.keyEncodingStrategy = .useDefaultKeys
             try encoder.encode(
-                metadata
+                newMetadata
             ).write(
                 to: path.appendingPathComponent(outFileName))
         } catch {
-            print("failed to save metadata")
+            print("failed to save generated metadata")
         }
     }