From ff4a217730217ce5720f7a81017054ddfa917928 Mon Sep 17 00:00:00 2001
From: AntsyLich <59261191+AntsyLich@users.noreply.github.com>
Date: Fri, 2 Sep 2022 20:07:50 +0600
Subject: [PATCH] Cleanup chapter name when syncing chapter with source (#7910)

---
 .../kanade/data/chapter/CleanupChapterName.kt | 47 +++++++++++++++++++
 .../interactor/SyncChaptersWithSource.kt      |  2 +
 2 files changed, 49 insertions(+)
 create mode 100644 app/src/main/java/eu/kanade/data/chapter/CleanupChapterName.kt

diff --git a/app/src/main/java/eu/kanade/data/chapter/CleanupChapterName.kt b/app/src/main/java/eu/kanade/data/chapter/CleanupChapterName.kt
new file mode 100644
index 000000000..12ce6b298
--- /dev/null
+++ b/app/src/main/java/eu/kanade/data/chapter/CleanupChapterName.kt
@@ -0,0 +1,47 @@
+package eu.kanade.data.chapter
+
+object CleanupChapterName {
+
+    fun await(chapterName: String, mangaTitle: String): String {
+        return chapterName
+            .trim()
+            .removePrefix(mangaTitle)
+            .trim(*CHAPTER_TRIM_CHARS)
+    }
+
+    private val CHAPTER_TRIM_CHARS = arrayOf(
+        // Whitespace
+        ' ',
+        '\u0009',
+        '\u000A',
+        '\u000B',
+        '\u000C',
+        '\u000D',
+        '\u0020',
+        '\u0085',
+        '\u00A0',
+        '\u1680',
+        '\u2000',
+        '\u2001',
+        '\u2002',
+        '\u2003',
+        '\u2004',
+        '\u2005',
+        '\u2006',
+        '\u2007',
+        '\u2008',
+        '\u2009',
+        '\u200A',
+        '\u2028',
+        '\u2029',
+        '\u202F',
+        '\u205F',
+        '\u3000',
+
+        // Separators
+        '-',
+        '_',
+        ',',
+        ':',
+    ).toCharArray()
+}
diff --git a/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt b/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
index 9bd7ccdc1..c61585faa 100644
--- a/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
+++ b/app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt
@@ -1,5 +1,6 @@
 package eu.kanade.domain.chapter.interactor
 
+import eu.kanade.data.chapter.CleanupChapterName
 import eu.kanade.data.chapter.NoChaptersException
 import eu.kanade.domain.chapter.model.Chapter
 import eu.kanade.domain.chapter.model.toChapterUpdate
@@ -50,6 +51,7 @@ class SyncChaptersWithSource(
             .mapIndexed { i, sChapter ->
                 Chapter.create()
                     .copyFromSChapter(sChapter)
+                    .copy(name = CleanupChapterName.await(sChapter.name, manga.title))
                     .copy(mangaId = manga.id, sourceOrder = i.toLong())
             }