gistfile1.txt

//person
@Entity(tableName = "person")
data class Person(
        val uuid:String?=null,
        val name:String?=null,
        val surname:String?=null,
        val phone:String?=null,
        val update_time:String?=null,
        val image_uuid:String?=null,
        val image_update_time: String?=null,
        @TypeConverters(Converters::class)
        val tags:List<TagUIID>?=null) :Serializable
{
    @PrimaryKey(autoGenerate = true)
    var id:Int?=null
}
//events
@Entity(tableName = "events")
data class Events(
         val uuid : String,
         val person_uuid : String,
         val event_name : String,
         val note : String
){
    @PrimaryKey(autoGenerate = true)
    var id:Int?=null
}

// combined tables
data class PersonWithEvents(
     @Embedded(prefix = "per_")
     val person: Person,
     @Relation(
           parentColumn = "per_uuid",
           entityColumn = "person_uuid"
     )
     val events: List<Events>
)



// Dao
    @Transaction
    @Query("SELECT * FROM person")
    fun getPerson(): LiveData<List<PersonWithEvents>>
    
// repository
class PeopleRepository(val db:MainDatabase) {
  
  fun getAllPeople()=db.getPeople().getPerson()
}

//viewmodel

class PeopleViewModel(val app:Application,
                      val repository: PeopleRepository) : AndroidViewModel(app){

fun getAllPeople()=repository.getAllPeople()
}



// Fragment
class HomeFragment : Fragment(R.layout.fragment_home),PeopleAdapter.OnItemClickListener{

    private lateinit var viewmodel : PeopleViewModel
    private  var homeAdapter: PeopleAdapter?=null
    private var layoutManagers: RecyclerView.LayoutManager? = null 
    
    
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
         _binding= FragmentHomeBinding.bind(view)
        val repository= PeopleRepository(MainDatabase(requireActivity()))
        val viewModelProviderFactory= PeopleViewModelFactory(requireActivity().application, repository)
        viewmodel= ViewModelProvider(this,viewModelProviderFactory).get(PeopleViewModel::class.java)
       
         
         viewmodel.getAllPeople().observe(viewLifecycleOwner, Observer { list->
            if (list.size>0&&list!=null){
                Log.e("Response","$list")
//                 homeAdapter= PeopleAdapter(requireActivity(),list,this)
//                 binding.recyclerviewHome.adapter=homeAdapter
//                 homeAdapter!!.submitList(list)
            }
        })

}