1 files changed, 11 insertions, 2 deletions
diff --git a/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt b/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
index 66722fd..3367a71 100644
--- a/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
+++ b/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
@@ -9,7 +9,7 @@ import androidx.room.migration.Migration
 
 @Database(
     entities = [FeedEntity::class, ArticleEntity::class, FilterRuleEntity::class],
-    version = 5,
+    version = 6,
     exportSchema = false
 )
 abstract class AppDatabase : RoomDatabase() {
@@ -90,12 +90,21 @@ abstract class AppDatabase : RoomDatabase() {
             }
         }
 
+        // v6: added FeedEntity.folder (OPML category, for grouping the feed list). A plain
+        // ADD COLUMN is safe here (unlike v3->v4) since folder is a genuinely new field with
+        // no prior column it needs to replace/rebuild around.
+        private val MIGRATION_5_6 = object : Migration(5, 6) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("ALTER TABLE feeds ADD COLUMN folder TEXT")
+            }
+        }
+
         fun get(context: Context): AppDatabase = instance ?: synchronized(this) {
             instance ?: Room.databaseBuilder(
                 context.applicationContext,
                 AppDatabase::class.java,
                 "feedreader.db"
-            ).addMigrations(MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5).build().also { instance = it }
+            ).addMigrations(MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5, MIGRATION_5_6).build().also { instance = it }
         }
     }
 }