From ee4f3e6586910c8c4d62859c867c2a40e41eef67 Mon Sep 17 00:00:00 2001
From: Jays2Kings <jays@outlook.com>
Date: Wed, 14 Apr 2021 02:38:37 -0400
Subject: [PATCH] Migrating manga now also saves more chapter info

Bookmarks, Last Read, Date fetched, and has been read fully (this was already tracked but previously it only took the highest chapters

Closes #151
---
 .../manga/process/MigrationProcessAdapter.kt  | 26 ++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/process/MigrationProcessAdapter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/process/MigrationProcessAdapter.kt
index 787e259c2a..ed3d9a8224 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/process/MigrationProcessAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/process/MigrationProcessAdapter.kt
@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.migration.manga.process
 import android.view.MenuItem
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.History
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaCategory
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
@@ -110,16 +111,29 @@ class MigrationProcessAdapter(
         if (MigrationFlags.hasChapters(flags)) {
             val prevMangaChapters = db.getChapters(prevManga).executeAsBlocking()
             val maxChapterRead =
-                prevMangaChapters.filter { it.read }.maxBy { it.chapter_number }?.chapter_number
-            if (maxChapterRead != null) {
-                val dbChapters = db.getChapters(manga).executeAsBlocking()
-                for (chapter in dbChapters) {
-                    if (chapter.isRecognizedNumber && chapter.chapter_number <= maxChapterRead) {
+                prevMangaChapters.filter { it.read }.maxOf { it.chapter_number }
+            val dbChapters = db.getChapters(manga).executeAsBlocking()
+            val prevHistoryList = db.getHistoryByMangaId(prevManga.id!!).executeAsBlocking()
+            val historyList = mutableListOf<History>()
+            for (chapter in dbChapters) {
+                if (chapter.isRecognizedNumber) {
+                    val prevChapter =
+                        prevMangaChapters.find { it.isRecognizedNumber && it.chapter_number == chapter.chapter_number }
+                    if (prevChapter != null) {
+                        chapter.bookmark = prevChapter.bookmark
+                        chapter.read = prevChapter.read
+                        chapter.date_fetch = prevChapter.date_fetch
+                        prevHistoryList.find { it.chapter_id == prevChapter.id }?.let { prevHistory ->
+                            val history = History.create(chapter).apply { last_read = prevHistory.last_read }
+                            historyList.add(history)
+                        }
+                    } else if (chapter.chapter_number <= maxChapterRead) {
                         chapter.read = true
                     }
                 }
-                db.insertChapters(dbChapters).executeAsBlocking()
             }
+            db.insertChapters(dbChapters).executeAsBlocking()
+            db.updateHistoryLastRead(historyList).executeAsBlocking()
         }
         // Update categories
         if (MigrationFlags.hasCategories(flags)) {