From 2a9b20c3c6bcc4451ff1af4dcc1f04030bcba0bc Mon Sep 17 00:00:00 2001
From: Tobias Preuss <tobias.preuss@googlemail.com>
Date: Sun, 27 Aug 2023 06:44:27 +0200
Subject: [PATCH] Clear database from MRMCD 2019 on upgrade.

+ Related database state: 65048ea8dc0b7d3d0a482563dc72f412fb0515ee.
---
 .../sqliteopenhelper/AlarmsDBOpenHelper.java       |  7 ++++++-
 .../sqliteopenhelper/HighlightDBOpenHelper.java    |  2 +-
 .../sqliteopenhelper/MetaDBOpenHelper.java         |  7 ++++++-
 .../sqliteopenhelper/SessionsDBOpenHelper.java     | 14 +++-----------
 4 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/AlarmsDBOpenHelper.java b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/AlarmsDBOpenHelper.java
index 34114bca2f..d4d485140f 100644
--- a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/AlarmsDBOpenHelper.java
+++ b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/AlarmsDBOpenHelper.java
@@ -10,7 +10,7 @@
 
 public class AlarmsDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 6;
+    private static final int DATABASE_VERSION = 8;
 
     private static final String DATABASE_NAME = "alarms";
 
@@ -62,5 +62,10 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             db.execSQL("DROP TABLE IF EXISTS " + AlarmsTable.NAME);
             onCreate(db);
         }
+        if (oldVersion < 8) {
+            // Clear database from MRMCD 2019.
+            db.execSQL("DROP TABLE IF EXISTS " + AlarmsTable.NAME);
+            onCreate(db);
+        }
     }
 }
diff --git a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/HighlightDBOpenHelper.java b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/HighlightDBOpenHelper.java
index c81e524a35..81b7523326 100644
--- a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/HighlightDBOpenHelper.java
+++ b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/HighlightDBOpenHelper.java
@@ -11,7 +11,7 @@
 
 public class HighlightDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 5;
+    private static final int DATABASE_VERSION = 7;
 
     private static final String DATABASE_NAME = "highlight";
 
diff --git a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/MetaDBOpenHelper.java b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/MetaDBOpenHelper.java
index 68903b4082..a5b77344ea 100644
--- a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/MetaDBOpenHelper.java
+++ b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/MetaDBOpenHelper.java
@@ -12,7 +12,7 @@
 
 public class MetaDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 8;
+    private static final int DATABASE_VERSION = 9;
 
     private static final String DATABASE_NAME = "meta";
 
@@ -64,5 +64,10 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             db.execSQL("DROP TABLE IF EXISTS " + MetasTable.NAME);
             onCreate(db);
         }
+        if (oldVersion < 9) {
+            // Clear database from MRMCD 2019.
+            db.execSQL("DROP TABLE IF EXISTS " + MetasTable.NAME);
+            onCreate(db);
+        }
     }
 }
diff --git a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/SessionsDBOpenHelper.java b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/SessionsDBOpenHelper.java
index b4cdcec82e..7747a1b540 100644
--- a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/SessionsDBOpenHelper.java
+++ b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/SessionsDBOpenHelper.java
@@ -16,7 +16,7 @@
 
 public class SessionsDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 13;
+    private static final int DATABASE_VERSION = 11;
 
     private static final String DATABASE_NAME = "lectures"; // Keep table name to avoid database migration.
 
@@ -132,20 +132,12 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
         if (oldVersion < 10 && newVersion >= 10) {
             db.execSQL(SESSION_BY_NOTIFICATION_ID_TABLE_CREATE);
         }
-        if (oldVersion < 11 && newVersion >= 11) {
+        if (oldVersion < 11) {
             boolean columnExists = SQLiteDatabaseExtensions.columnExists(db, SessionsTable.NAME, Columns.TIME_ZONE_OFFSET);
             if (!columnExists) {
                 db.execSQL("ALTER TABLE " + SessionsTable.NAME + " ADD COLUMN " + Columns.TIME_ZONE_OFFSET + " INTEGER DEFAULT NULL");
             }
-        }
-        if (oldVersion < 12) {
-            // Clear database from rC3 12/2020.
-            db.execSQL("DROP TABLE IF EXISTS " + SessionsTable.NAME);
-            db.execSQL("DROP TABLE IF EXISTS " + SessionByNotificationIdTable.NAME);
-            onCreate(db);
-        }
-        if (oldVersion < 13) {
-            // Clear database from rC3 NOWHERE 12/2021.
+            // Clear database from MRMCD 2019.
             db.execSQL("DROP TABLE IF EXISTS " + SessionsTable.NAME);
             db.execSQL("DROP TABLE IF EXISTS " + SessionByNotificationIdTable.NAME);
             onCreate(db);