From 6e3913d8e60931ee97c6b9fe736b176633bb19a5 Mon Sep 17 00:00:00 2001
From: ggabr <10714429-ggabr@users.noreply.gitlab.com>
Date: Fri, 7 Feb 2025 14:24:46 +0100
Subject: [PATCH] Database, support migration from v2 to v3

SQL code taken (and verified and adapted) from
https://gitlab.com/ggabr/AuroraStore/-/jobs/9073627105/artifacts/external_file/app/schemas/com.aurora.store.data.room.AuroraDatabase/3.json
---
 .../aurora/store/data/room/MigrationHelper.kt    | 16 ++++++++++++++++
 .../com/aurora/store/data/room/RoomModule.kt     |  3 ++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/aurora/store/data/room/MigrationHelper.kt b/app/src/main/java/com/aurora/store/data/room/MigrationHelper.kt
index 13f6f98dc..a5dffd411 100644
--- a/app/src/main/java/com/aurora/store/data/room/MigrationHelper.kt
+++ b/app/src/main/java/com/aurora/store/data/room/MigrationHelper.kt
@@ -14,6 +14,10 @@ object MigrationHelper {
         override fun migrate(db: SupportSQLiteDatabase) = migrateFrom1To2(db)
     }
 
+    val MIGRATION_2_3 = object : Migration(2, 3) {
+        override fun migrate(db: SupportSQLiteDatabase) = migrateFrom2To3(db)
+    }
+
     val MIGRATION_3_4 = object : Migration(3, 4) {
         override fun migrate(db: SupportSQLiteDatabase) = migrateFrom3To4(db)
     }
@@ -36,6 +40,18 @@ object MigrationHelper {
         }
     }
 
+    private fun migrateFrom2To3(database: SupportSQLiteDatabase) {
+        database.beginTransaction()
+        try {
+            database.execSQL("CREATE TABLE `update` (`packageName` TEXT NOT NULL, `versionCode` INTEGER NOT NULL, `versionName` TEXT NOT NULL, `displayName` TEXT NOT NULL, `iconURL` TEXT NOT NULL, `changelog` TEXT NOT NULL, `id` INTEGER NOT NULL, `developerName` TEXT NOT NULL, `size` INTEGER NOT NULL, `updatedOn` TEXT NOT NULL, `hasValidCert` INTEGER NOT NULL, `offerType` INTEGER NOT NULL, `fileList` TEXT NOT NULL, `sharedLibs` TEXT NOT NULL, PRIMARY KEY(`packageName`))")
+            database.setTransactionSuccessful()
+        } catch (exception: Exception) {
+            Log.e(TAG, "Failed while migrating from database version 2 to 3", exception)
+        } finally {
+            database.endTransaction()
+        }
+    }
+
     /**
      * Add targetSdk column to download and update table for checking if silent install is possible.
      */
diff --git a/app/src/main/java/com/aurora/store/data/room/RoomModule.kt b/app/src/main/java/com/aurora/store/data/room/RoomModule.kt
index 17edb8119..00cffc0bd 100644
--- a/app/src/main/java/com/aurora/store/data/room/RoomModule.kt
+++ b/app/src/main/java/com/aurora/store/data/room/RoomModule.kt
@@ -3,6 +3,7 @@ package com.aurora.store.data.room
 import android.content.Context
 import androidx.room.Room
 import com.aurora.store.data.room.MigrationHelper.MIGRATION_1_2
+import com.aurora.store.data.room.MigrationHelper.MIGRATION_2_3
 import com.aurora.store.data.room.MigrationHelper.MIGRATION_3_4
 import com.aurora.store.data.room.MigrationHelper.MIGRATION_4_5
 import com.aurora.store.data.room.download.DownloadConverter
@@ -29,7 +30,7 @@ object RoomModule {
         downloadConverter: DownloadConverter
     ): AuroraDatabase {
         return Room.databaseBuilder(context, AuroraDatabase::class.java, DATABASE)
-            .addMigrations(MIGRATION_1_2, MIGRATION_3_4, MIGRATION_4_5)
+            .addMigrations(MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5)
             .addTypeConverter(downloadConverter)
             .build()
     }