Adapter now accepts "type" strings from database and can display information accordingly; app bar title font enlargened

app/src/main/java/com/denizd/substitutionplan/database/SubstDatabase.kt

@@ -9,7 +9,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 import com.denizd.substitutionplan.models.Food
 import com.denizd.substitutionplan.models.Subst
 
-@Database(entities = [Subst::class, Food::class], version = 6, exportSchema = false)
+@Database(entities = [Subst::class, Food::class], version = 7, exportSchema = false)
 internal abstract class SubstDatabase : RoomDatabase() {
 
     abstract fun substDao(): SubstDao
@@ -22,6 +22,11 @@ internal abstract class SubstDatabase : RoomDatabase() {
                 database.execSQL("ALTER TABLE subst_table ADD COLUMN teacher TEXT NOT NULL DEFAULT ''")
             }
         }
+        private val addTypeColumn = object : Migration(6, 7) {
+            override fun migrate(database: SupportSQLiteDatabase) {
+                database.execSQL("ALTER TABLE subst_table ADD COLUMN type TEXT NOT NULL DEFAULT ''")
+            }
+        }
 
         fun getInstance(context: Context): SubstDatabase? {
             if (instance == null) {
@@ -29,7 +34,7 @@ internal abstract class SubstDatabase : RoomDatabase() {
                     instance = Room.databaseBuilder(context.applicationContext,
                         SubstDatabase::class.java,
                         "subst_database")
-                        .addMigrations(addTeacherColumn)
+                        .addMigrations(addTeacherColumn, addTypeColumn)
                         .fallbackToDestructiveMigration()
                         .build()
                 }
@@ -45,6 +50,7 @@ internal abstract class SubstDatabase : RoomDatabase() {
                     foodInstance = Room.databaseBuilder(context.applicationContext,
                         SubstDatabase::class.java,
                         "food_database")
+                        .fallbackToDestructiveMigrationFrom(5, 6)
                         .fallbackToDestructiveMigration()
                         .build()
                 }