refactor: database multi-period schedule storage

app/src/main/java/agzam/vyatsu/di/AppContainer.kt

@@ -1,7 +1,6 @@
 package agzam.vyatsu.di
 
 import agzam.vyatsu.data.local.AppDatabase
-import agzam.vyatsu.data.local.ScheduleCodec
 import agzam.vyatsu.data.remote.GroupsParser
 import agzam.vyatsu.data.remote.VyatsuHttpClient
 import agzam.vyatsu.data.repository.GroupRepositoryImpl
@@ -12,18 +11,15 @@ import agzam.vyatsu.domain.repository.PreferencesRepository
 import agzam.vyatsu.domain.repository.ScheduleRepository
 import android.content.Context
 import androidx.room.Room
-import com.squareup.moshi.Moshi
 
 class AppContainer(context: Context) {
-    private val moshi: Moshi = Moshi.Builder().build()
-
     private val database: AppDatabase = Room.databaseBuilder(
         context.applicationContext,
         AppDatabase::class.java,
         "vyatsu_schedule.db"
-    ).build()
-
-    private val codec: ScheduleCodec = ScheduleCodec(moshi)
+    )
+        .fallbackToDestructiveMigration(dropAllTables = true)
+        .build()
 
     val groupRepository: GroupRepository by lazy {
         GroupRepositoryImpl(
@@ -35,7 +31,6 @@ class AppContainer(context: Context) {
         ScheduleRepositoryImpl(
             scheduleDao = database.scheduleDao(),
             groupDao = database.groupDao(),
-            codec = codec
         )
     }