Fix v2 to v3 Database migration (#3334)

Author: MortimerGoro

app/src/common/shared/org/mozilla/vrbrowser/db/AppDatabase.java

@@ -38,7 +38,7 @@ public static AppDatabase getAppDatabase(Context context, final AppExecutors exe
     @NonNull
     private static AppDatabase buildDatabase(final @NonNull Context appContext, final @NonNull AppExecutors executors) {
         return Room.databaseBuilder(appContext, AppDatabase.class, DATABASE_NAME)
-                .addMigrations(MIGRATION_1_2)
+                .addMigrations(MIGRATION_1_2, MIGRATION_2_3)
                 .addCallback(new Callback() {
                     @Override
                     public void onCreate(@NonNull SupportSQLiteDatabase db) {
@@ -87,19 +87,10 @@ public void migrate(SupportSQLiteDatabase database) {
         }
     };
 
-    private static final Migration MIGRATION_1_3 = new Migration(1, 3) {
-        @Override
-        public void migrate(SupportSQLiteDatabase database) {
-            database.execSQL("ALTER TABLE PopUpSite RENAME TO SitePermission");
-            database.execSQL("ALTER TABLE SitePermission ADD COLUMN category INTEGER NOT NULL DEFAULT 0");
-            database.execSQL("ALTER TABLE SitePermission ADD COLUMN principal STRING NOT NULL DEFAULT ''");
-        }
-    };
-
     private static final Migration MIGRATION_2_3 = new Migration(2, 3) {
         @Override
         public void migrate(SupportSQLiteDatabase database) {
-            database.execSQL("ALTER TABLE SitePermission ADD COLUMN principal STRING NOT NULL DEFAULT ''");
+            database.execSQL("ALTER TABLE SitePermission ADD COLUMN principal TEXT NOT NULL DEFAULT ''");
         }
     };
 

app/src/common/shared/org/mozilla/vrbrowser/db/SitePermission.java

@@ -20,6 +20,7 @@ public SitePermission(@NonNull String url, @NonNull String principal, @Category
         this.url = url;
         this.principal = principal;
         this.category = category;
+        this.allowed = false;
     }
 
     @PrimaryKey(autoGenerate = true)
@@ -29,9 +30,12 @@ public SitePermission(@NonNull String url, @NonNull String principal, @Category
     public String url;
 
     @NonNull
-    @ColumnInfo(name = "principal")
+    @ColumnInfo(name = "principal", defaultValue = "")
     public String principal;
 
+    @ColumnInfo(name = "allowed")
+    public boolean allowed;
+
     @ColumnInfo(name = "category")
     public @Category int category;
 }