hieuwu

class WeatherItemAdapter :
    ListAdapter<Weather, WeatherItemAdapter.WeatherItemViewHolder>(DiffCallback) {
    // Other implementation for DiffCallback

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): WeatherItemViewHolder {
        when (viewType) {
            WeatherViewType.DAY.ordinal -> {
                val view = LayoutInflater.from(parent.context).inflate(R.layout.weather_day_item, parent, false)
                return WeatherDayItemViewHolder(view)

hieuwu

@Dao
interface OrderDao {
    //Get an order along with its line items by orderId
    @Transaction
    @Query("SELECT * FROM orders WHERE orderId = :id")
    fun getById(id: String): Flow<OrderWithLineItems>

    //Get an order by its status
    @Transaction
    @Query("SELECT * FROM orders WHERE status = :status  LIMIT 1 ")

hieuwu

@Dao
interface LineItemDao {
    //Get all line item in along with its product
    @Transaction
    @Query("SELECT * FROM line_items ")
    fun getAll(): Flow<List<LineItemAndProduct>>

    //Get line item in an order by orderId
    @Transaction
    @Query("SELECT * FROM line_items WHERE orderId = :orderId")

hieuwu

data class OrderWithLineItems(
    @Embedded var order: Order,
    @Relation(
        parentColumn = "orderId",
        entityColumn = "orderId",
        entity = LineItem::class
    )
    val lineItemList: MutableList<LineItemAndProduct>
)

hieuwu

data class LineItemAndProduct(
    @Embedded val lineItem: LineItem?,
    @Relation(
        parentColumn = "productId",
        entityColumn = "productId",
        entity = Product::class
    )
    val product: Product?
)

hieuwu

@Entity(tableName = "orders")
data class Order(
    @PrimaryKey
    @ColumnInfo(name = "orderId")
    val id: String,

    @ColumnInfo(name = "status")
    var status: String,

    @ColumnInfo(name = "address")

hieuwu

@Entity(tableName = "line_items")
data class LineItem(
    @PrimaryKey(autoGenerate = true)
    @ColumnInfo(name = "lineItemId")
    val id: Long,

    @ColumnInfo(name = "productId")
    val productId: String,

    @ColumnInfo(name = "orderId")

hieuwu

@Entity(tableName = "products")
data class Product(
    @PrimaryKey
    @NonNull
    @ColumnInfo(name = "productId")
    val id: String,

    @ColumnInfo(name = "name")
    var name: String?,
  

hieuwu

public class PersonItemAdapter : MvxRecyclerAdapter
{
        public PersonItemAdapter(IMvxAndroidBindingContext bindingContext)
            : base(bindingContext)
        {
        }

        public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
        {
            var itemBindingContext = new MvxAndroidBindingContext(parent.Context, BindingContext.LayoutInflaterHolder);

hieuwu

// Complete the countTriplets function below.
fun countTriplets(arr: Array<Long>, r: Long): Long {
    var befMap = HashMap<Long, Int>()
    var aftMap = HashMap<Long, Int>()
    
    for(num in arr) {
        if(aftMap.containsKey(num)) aftMap[num] = aftMap[num]!! + 1
        else aftMap[num] = 1
    }