From 211d2e69260d835ae7029cbad01a7c5d6df37052 Mon Sep 17 00:00:00 2001
From: Tobias Preuss <tobias.preuss@googlemail.com>
Date: Sat, 28 Sep 2019 14:48:02 +0200
Subject: [PATCH] Clear database from Hackover 2018 on upgrade.

---
 .../database/sqliteopenhelper/AlarmsDBOpenHelper.java     | 8 +++++++-
 .../database/sqliteopenhelper/HighlightDBOpenHelper.java  | 2 +-
 .../database/sqliteopenhelper/LecturesDBOpenHelper.java   | 7 ++++++-
 .../database/sqliteopenhelper/MetaDBOpenHelper.java       | 7 ++++++-
 4 files changed, 20 insertions(+), 4 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 e119f65a6f..a04f225b73 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
@@ -8,7 +8,7 @@
 
 public class AlarmsDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 3;
+    private static final int DATABASE_VERSION = 7;
 
     private static final String DATABASE_NAME = "alarms";
 
@@ -45,5 +45,11 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             db.execSQL("DROP TABLE IF EXISTS " + AlarmsTable.NAME);
             onCreate(db);
         }
+        if (oldVersion < 7) {
+            // Clear database from Hackover 2018.
+            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 96610be048..8c0a72d17d 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
@@ -9,7 +9,7 @@
 
 public class HighlightDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 2;
+    private static final int DATABASE_VERSION = 6;
 
     private static final String DATABASE_NAME = "highlight";
 
diff --git a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/LecturesDBOpenHelper.java b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/LecturesDBOpenHelper.java
index abdb082e26..de560c918c 100644
--- a/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/LecturesDBOpenHelper.java
+++ b/database/src/main/java/info/metadude/android/eventfahrplan/database/sqliteopenhelper/LecturesDBOpenHelper.java
@@ -12,7 +12,7 @@
 
 public class LecturesDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 8;
+    private static final int DATABASE_VERSION = 10;
 
     private static final String DATABASE_NAME = "lectures";
 
@@ -106,5 +106,10 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             db.execSQL("DROP TABLE IF EXISTS " + LecturesTable.NAME);
             onCreate(db);
         }
+        if (oldVersion < 10) {
+            // Clear database from Hackover 2018.
+            db.execSQL("DROP TABLE IF EXISTS " + LecturesTable.NAME);
+            onCreate(db);
+        }
     }
 }
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 1eb2b8e955..5b4211c658 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
@@ -10,7 +10,7 @@
 
 public class MetaDBOpenHelper extends SQLiteOpenHelper {
 
-    private static final int DATABASE_VERSION = 4;
+    private static final int DATABASE_VERSION = 8;
 
     private static final String DATABASE_NAME = "meta";
 
@@ -53,5 +53,10 @@ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             db.execSQL("DROP TABLE IF EXISTS " + MetasTable.NAME);
             onCreate(db);
         }
+        if (oldVersion < 8) {
+            // Clear database from Hackover 2018.
+            db.execSQL("DROP TABLE IF EXISTS " + MetasTable.NAME);
+            onCreate(db);
+        }
     }
 }