update refresh change tab

This commit is contained in:
shaulascr
2025-07-02 08:53:16 +07:00
parent 331410eb98
commit f7f198e46f
5 changed files with 362 additions and 149 deletions

View File

@ -10,6 +10,7 @@ import com.alya.ecommerce_serang.data.api.dto.CompletedOrderRequest
import com.alya.ecommerce_serang.data.api.dto.OrdersItem
import com.alya.ecommerce_serang.data.api.response.customer.order.CancelOrderResponse
import com.alya.ecommerce_serang.data.api.response.customer.order.OrderListItemsItem
import com.alya.ecommerce_serang.data.api.response.customer.order.OrderListResponse
import com.alya.ecommerce_serang.data.api.response.customer.order.Orders
import com.alya.ecommerce_serang.data.api.response.order.CompletedOrderResponse
import com.alya.ecommerce_serang.data.repository.OrderRepository
@ -18,6 +19,13 @@ import com.alya.ecommerce_serang.ui.order.address.ViewState
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.flatMapLatest
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.stateIn
import kotlinx.coroutines.launch
import java.io.File
import java.text.SimpleDateFormat
@ -29,8 +37,8 @@ class HistoryViewModel(private val repository: OrderRepository) : ViewModel() {
private const val TAG = "HistoryViewModel"
}
private val _orders = MutableLiveData<ViewState<List<OrdersItem>>>()
val orders: LiveData<ViewState<List<OrdersItem>>> = _orders
// private val _orders = MutableLiveData<ViewState<List<OrdersItem>>>()
// val orders: LiveData<ViewState<List<OrdersItem>>> = _orders
private val _orderCompletionStatus = MutableLiveData<Result<CompletedOrderResponse>>()
val orderCompletionStatus: LiveData<Result<CompletedOrderResponse>> = _orderCompletionStatus
@ -59,81 +67,156 @@ class HistoryViewModel(private val repository: OrderRepository) : ViewModel() {
private val _error = MutableLiveData<String>()
val error: LiveData<String> get() = _error
fun getOrderList(status: String) {
_orders.value = ViewState.Loading
viewModelScope.launch {
try {
if (status == "all") {
// Get all orders by combining all statuses
getAllOrdersCombined()
} else {
// Get orders for specific status
when (val result = repository.getOrderList(status)) {
is Result.Success -> {
_orders.value = ViewState.Success(result.data.orders)
Log.d(TAG, "Orders loaded successfully: ${result.data.orders.size} items")
private val _selectedStatus = MutableStateFlow("all")
val selectedStatus: StateFlow<String> = _selectedStatus.asStateFlow()
val orders: StateFlow<ViewState<List<OrdersItem>>> =
_selectedStatus
.flatMapLatest { status ->
flow<ViewState<List<OrdersItem>>> {
Log.d(TAG, "⏳ Loading orders for status = $status")
emit(ViewState.Loading)
val viewState =
if (status == "all") {
getAllOrdersCombined().also {
Log.d(TAG, "✅ Combined orders size = ${(it as? ViewState.Success)?.data?.size}")
}
} else {
when (val r = repository.getOrderList(status)) {
is Result.Loading -> {
Log.d(TAG, " repository.getOrderList($status) → Loading")
ViewState.Loading
}
is Result.Success -> {
Log.d(TAG, "✅ repository.getOrderList($status) success, size = ${r.data.orders.size}")
// Tag each order so the fragments filter works
val tagged = r.data.orders.onEach { it.displayStatus = status }
ViewState.Success(tagged)
}
is Result.Error -> {
Log.e(TAG, "❌ repository.getOrderList($status) error = ${r.exception.message}")
ViewState.Error(r.exception.message ?: "Unknown error")
}
}
}
is Result.Error -> {
_orders.value = ViewState.Error(result.exception.message ?: "Unknown error occurred")
Log.e(TAG, "Error loading orders", result.exception)
}
is Result.Loading -> {
// Keep loading state
}
}
emit(viewState)
}
} catch (e: Exception) {
_orders.value = ViewState.Error("An unexpected error occurred: ${e.message}")
Log.e(TAG, "Exception in getOrderList", e)
}
}
}
.stateIn(
viewModelScope,
SharingStarted.WhileSubscribed(5_000),
ViewState.Loading // ② initial value, still fine
)
private suspend fun getAllOrdersCombined() {
try {
val allStatuses = listOf("unpaid", "paid", "processed", "shipped", "completed", "canceled")
val allOrders = mutableListOf<OrdersItem>()
// Use coroutineScope to allow launching async blocks
coroutineScope {
val deferreds = allStatuses.map { status ->
// fun getOrderList(status: String) {
// _orders.value = ViewState.Loading
// viewModelScope.launch {
// try {
// if (status == "all") {
// // Get all orders by combining all statuses
// getAllOrdersCombined()
// } else {
// // Get orders for specific status
// when (val result = repository.getOrderList(status)) {
// is Result.Success -> {
// _orders.value = ViewState.Success(result.data.orders)
// Log.d(TAG, "Orders loaded successfully: ${result.data.orders.size} items")
// }
// is Result.Error -> {
// _orders.value = ViewState.Error(result.exception.message ?: "Unknown error occurred")
// Log.e(TAG, "Error loading orders", result.exception)
// }
// is Result.Loading -> {
// // Keep loading state
// }
// }
// }
// } catch (e: Exception) {
// _orders.value = ViewState.Error("An unexpected error occurred: ${e.message}")
// Log.e(TAG, "Exception in getOrderList", e)
// }
// }
// }
// private suspend fun getAllOrdersCombined() {
// try {
// val allStatuses = listOf("unpaid", "paid", "processed", "shipped", "completed", "canceled")
// val allOrders = mutableListOf<OrdersItem>()
//
// // Use coroutineScope to allow launching async blocks
// coroutineScope {
// val deferreds = allStatuses.map { status ->
// async {
// when (val result = repository.getOrderList(status)) {
// is Result.Success -> {
// // Tag each order with the status it was fetched from
// result.data.orders.onEach { it.displayStatus = status }
// }
// is Result.Error -> {
// Log.e(TAG, "Error loading orders for status $status", result.exception)
// emptyList<OrdersItem>()
// }
// is Result.Loading -> emptyList<OrdersItem>()
// }
// }
// }
//
// // Await all results and combine
// deferreds.awaitAll().forEach { orders ->
// allOrders.addAll(orders)
// }
// }
//
// // Sort orders
// val sortedOrders = allOrders.sortedByDescending { order ->
// try {
// SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.getDefault()).parse(order.createdAt)
// } catch (e: Exception) {
// null
// }
// }
//
// _orders.value = ViewState.Success(sortedOrders)
// Log.d(TAG, "All orders loaded successfully: ${sortedOrders.size} items")
//
// } catch (e: Exception) {
// _orders.value = ViewState.Error("An unexpected error occurred: ${e.message}")
// Log.e(TAG, "Exception in getAllOrdersCombined", e)
// }
// }
private suspend fun getAllOrdersCombined(): ViewState<List<OrdersItem>> = try {
val statuses = listOf("unpaid", "paid", "processed", "shipped", "completed", "canceled")
val all = coroutineScope {
statuses
.map { status ->
async {
when (val result = repository.getOrderList(status)) {
is Result.Success -> {
// Tag each order with the status it was fetched from
result.data.orders.onEach { it.displayStatus = status }
}
is Result.Error -> {
Log.e(TAG, "Error loading orders for status $status", result.exception)
emptyList<OrdersItem>()
}
is Result.Loading -> emptyList<OrdersItem>()
when (val r = repository.getOrderList(status)) {
is Result.Success -> r.data.orders.onEach { it.displayStatus = status }
else -> emptyList()
}
}
}
// Await all results and combine
deferreds.awaitAll().forEach { orders ->
allOrders.addAll(orders)
}
}
// Sort orders
val sortedOrders = allOrders.sortedByDescending { order ->
try {
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.getDefault()).parse(order.createdAt)
} catch (e: Exception) {
null
}
}
_orders.value = ViewState.Success(sortedOrders)
Log.d(TAG, "All orders loaded successfully: ${sortedOrders.size} items")
} catch (e: Exception) {
_orders.value = ViewState.Error("An unexpected error occurred: ${e.message}")
Log.e(TAG, "Exception in getAllOrdersCombined", e)
.awaitAll()
.flatten()
}
val sorted = all.sortedByDescending { order ->
try {
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.getDefault())
.parse(order.createdAt)
} catch (_: Exception) { null }
}
ViewState.Success(sorted)
} catch (e: Exception) {
ViewState.Error("Failed to load orders: ${e.message}")
}
fun confirmOrderCompleted(orderId: Int, status: String) {
@ -209,9 +292,52 @@ class HistoryViewModel(private val repository: OrderRepository) : ViewModel() {
}
}
fun refreshOrders(status: String = "all") {
Log.d(TAG, "Refreshing orders with status: $status")
// Don't set Loading here if you want to show current data while refreshing
getOrderList(status)
// fun refreshOrders(status: String = "all") {
// Log.d(TAG, "Refreshing orders with status: $status")
// // Don't set Loading here if you want to show current data while refreshing
// getOrderList(status)
// }
fun updateStatus(status: String, forceRefresh: Boolean = false) {
Log.d(TAG, "↪️ updateStatus(status = $status, forceRefresh = $forceRefresh)")
// Noop guard (optional): skip if user reselects same tab and no refresh asked
if (_selectedStatus.value == status && !forceRefresh) {
Log.d(TAG, "🔸 Status unchanged & forceRefresh = false → skip update")
return
}
_selectedStatus.value = status
Log.d(TAG, "✅ _selectedStatus set to \"$status\"")
if (forceRefresh) {
Log.d(TAG, "🔄 forceRefresh = true → launching refresh()")
viewModelScope.launch { refresh(status) }
}
}
private suspend fun refresh(status: String) {
Log.d(TAG, "⏳ refresh(\"$status\") started")
try {
if (status == "all") {
Log.d(TAG, "🌐 Calling getAllOrdersCombined()")
getAllOrdersCombined() // network → cache
} else {
Log.d(TAG, "🌐 repository.getOrderList(\"$status\")")
repository.getOrderList(status) // network → cache
}
Log.d(TAG, "✅ refresh(\"$status\") completed (repository updated)")
// Flow that watches DB/cache will emit automatically
} catch (e: Exception) {
Log.e(TAG, "❌ refresh(\"$status\") failed: ${e.message}", e)
}
}
private fun Result<OrderListResponse>.toViewState(): ViewState<List<OrdersItem>> =
when (this) {
is Result.Success -> ViewState.Success(data.orders)
is Result.Error -> ViewState.Error(exception.message ?: "Unknown error")
is Result.Loading -> ViewState.Loading // should rarely reach UI
}
}

View File

@ -195,7 +195,7 @@ class OrderHistoryAdapter(
text = itemView.context.getString(R.string.canceled_order_btn)
setOnClickListener {
showCancelOrderDialog(order.orderId.toString())
viewModel.refreshOrders()
// viewModel.refreshOrders()
}
}
// deadlineDate.apply {
@ -238,7 +238,7 @@ class OrderHistoryAdapter(
text = itemView.context.getString(R.string.claim_complaint)
setOnClickListener {
showCancelOrderDialog(order.orderId.toString())
viewModel.refreshOrders()
// viewModel.refreshOrders()
}
}
btnRight.apply {
@ -249,7 +249,7 @@ class OrderHistoryAdapter(
// Call ViewModel
viewModel.confirmOrderCompleted(order.orderId, "completed")
viewModel.refreshOrders()
// viewModel.refreshOrders()
}

View File

@ -5,8 +5,13 @@ import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.viewpager2.widget.ViewPager2
import com.alya.ecommerce_serang.R
import com.alya.ecommerce_serang.data.api.retrofit.ApiConfig
import com.alya.ecommerce_serang.data.repository.OrderRepository
import com.alya.ecommerce_serang.databinding.FragmentOrderHistoryBinding
import com.alya.ecommerce_serang.utils.BaseViewModelFactory
import com.alya.ecommerce_serang.utils.SessionManager
import com.google.android.material.tabs.TabLayoutMediator
@ -16,6 +21,12 @@ class OrderHistoryFragment : Fragment() {
private val binding get() = _binding!!
private lateinit var sessionManager: SessionManager
private val historyVm: HistoryViewModel by activityViewModels {
BaseViewModelFactory {
val api = ApiConfig.getApiService(SessionManager(requireContext()))
HistoryViewModel(OrderRepository(api))
}
}
private lateinit var viewPagerAdapter: OrderViewPagerAdapter
@ -33,6 +44,8 @@ class OrderHistoryFragment : Fragment() {
sessionManager = SessionManager(requireContext())
setupViewPager()
}
private fun setupViewPager() {
@ -53,6 +66,16 @@ class OrderHistoryFragment : Fragment() {
else -> "Tab $position"
}
}.attach()
binding.viewPager.registerOnPageChangeCallback(
object : ViewPager2.OnPageChangeCallback() {
override fun onPageSelected(position: Int) {
val status = viewPagerAdapter.orderStatuses[position]
/* setStatus() is the API we added earlier; TRUE → always requery */
historyVm.updateStatus(status, forceRefresh = true)
}
}
)
}
override fun onDestroyView() {

View File

@ -8,8 +8,10 @@ import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.activity.result.contract.ActivityResultContracts
import androidx.core.view.isVisible
import androidx.fragment.app.Fragment
import androidx.fragment.app.viewModels
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.lifecycleScope
import androidx.recyclerview.widget.LinearLayoutManager
import com.alya.ecommerce_serang.data.api.dto.OrdersItem
import com.alya.ecommerce_serang.data.api.retrofit.ApiConfig
@ -27,17 +29,26 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
private val binding get() = _binding!!
private lateinit var sessionManager: SessionManager
private val viewModel: HistoryViewModel by viewModels {
private val viewModel: HistoryViewModel by activityViewModels {
BaseViewModelFactory {
val apiService = ApiConfig.getApiService(sessionManager)
val orderRepository = OrderRepository(apiService)
HistoryViewModel(orderRepository)
val api = ApiConfig.getApiService(SessionManager(requireContext()))
HistoryViewModel(OrderRepository(api))
}
}
private lateinit var orderAdapter: OrderHistoryAdapter
private var status: String = "all"
private val detailOrderLauncher = registerForActivityResult(
ActivityResultContracts.StartActivityForResult()
) { result ->
if (result.resultCode == Activity.RESULT_OK) {
/* forcerefresh the current tab */
viewModel.updateStatus(status, forceRefresh = true)
}
}
companion object {
private const val ARG_STATUS = "status"
@ -73,8 +84,8 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
setupRecyclerView()
observeOrderList()
observeViewModel()
observeOrderCompletionStatus()
loadOrders()
// observeOrderCompletionStatus()
// loadOrders()
}
private fun setupRecyclerView() {
@ -96,27 +107,50 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
private fun observeOrderList() {
// Now we only need to observe one LiveData for all cases
viewModel.orders.observe(viewLifecycleOwner) { result ->
when (result) {
is ViewState.Success -> {
binding.progressBar.visibility = View.GONE
if (result.data.isNullOrEmpty()) {
binding.tvEmptyState.visibility = View.VISIBLE
binding.rvOrders.visibility = View.GONE
} else {
binding.tvEmptyState.visibility = View.GONE
binding.rvOrders.visibility = View.VISIBLE
orderAdapter.submitList(result.data)
// viewModel.orders.observe(viewLifecycleOwner) { result ->
// when (result) {
// is ViewState.Success -> {
// binding.progressBar.visibility = View.GONE
//
// if (result.data.isNullOrEmpty()) {
// binding.tvEmptyState.visibility = View.VISIBLE
// binding.rvOrders.visibility = View.GONE
// } else {
// binding.tvEmptyState.visibility = View.GONE
// binding.rvOrders.visibility = View.VISIBLE
// orderAdapter.submitList(result.data)
// }
// }
// is ViewState.Error -> {
// binding.progressBar.visibility = View.GONE
// binding.tvEmptyState.visibility = View.VISIBLE
// Toast.makeText(requireContext(), result.message, Toast.LENGTH_SHORT).show()
// }
// is ViewState.Loading -> {
// binding.progressBar.visibility = View.VISIBLE
// }
// }
// }
viewLifecycleOwner.lifecycleScope.launchWhenStarted {
viewModel.orders.collect { state ->
when (state) {
is ViewState.Loading -> {
binding.progressBar.isVisible = true
}
is ViewState.Error -> {
binding.progressBar.isVisible = false
binding.tvEmptyState.isVisible = true
binding.rvOrders.isVisible = false
Toast.makeText(requireContext(), state.message, Toast.LENGTH_SHORT).show()
}
is ViewState.Success -> {
binding.progressBar.isVisible = false
val list = state.data
.filter { status == "all" || it.displayStatus == status }
binding.tvEmptyState.isVisible = list.isEmpty()
binding.rvOrders.isVisible = list.isNotEmpty()
orderAdapter.submitList(list)
}
}
is ViewState.Error -> {
binding.progressBar.visibility = View.GONE
binding.tvEmptyState.visibility = View.VISIBLE
Toast.makeText(requireContext(), result.message, Toast.LENGTH_SHORT).show()
}
is ViewState.Loading -> {
binding.progressBar.visibility = View.VISIBLE
}
}
}
@ -124,51 +158,78 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
private fun observeViewModel() {
// Observe order completion
// viewModel.orderCompletionStatus.observe(viewLifecycleOwner) { result ->
// when (result) {
// is Result.Success -> {
// Toast.makeText(requireContext(), "Order completed successfully!", Toast.LENGTH_SHORT).show()
//// loadOrders() // Refresh here
// }
// is Result.Error -> {
// Toast.makeText(requireContext(), "Failed: ${result.exception.message}", Toast.LENGTH_SHORT).show()
// }
// is Result.Loading -> {
// // Show loading if needed
// }
// }
// }
//
// // Observe cancel order status
// viewModel.cancelOrderStatus.observe(viewLifecycleOwner) { result ->
// when (result) {
// is Result.Success -> {
// Toast.makeText(requireContext(), "Order cancelled successfully!", Toast.LENGTH_SHORT).show()
// loadOrders() // Refresh here
// }
// is Result.Error -> {
// Toast.makeText(requireContext(), "Failed to cancel: ${result.exception.message}", Toast.LENGTH_SHORT).show()
// }
// is Result.Loading -> {
// // Show loading if needed
// }
// }
// }
viewModel.orderCompletionStatus.observe(viewLifecycleOwner) { result ->
when (result) {
is Result.Success -> {
Toast.makeText(requireContext(), "Order completed successfully!", Toast.LENGTH_SHORT).show()
loadOrders() // Refresh here
}
is Result.Error -> {
Toast.makeText(requireContext(), "Failed: ${result.exception.message}", Toast.LENGTH_SHORT).show()
}
is Result.Loading -> {
// Show loading if needed
Toast.makeText(requireContext(),
"Order completed!", Toast.LENGTH_SHORT).show()
viewModel.updateStatus(status, forceRefresh = true)
}
is Result.Error ->
Toast.makeText(requireContext(),
"Failed: ${result.exception.message}", Toast.LENGTH_SHORT).show()
else -> { /* Loading → no UI change */ }
}
}
// Observe cancel order status
viewModel.cancelOrderStatus.observe(viewLifecycleOwner) { result ->
when (result) {
is Result.Success -> {
Toast.makeText(requireContext(), "Order cancelled successfully!", Toast.LENGTH_SHORT).show()
loadOrders() // Refresh here
}
is Result.Error -> {
Toast.makeText(requireContext(), "Failed to cancel: ${result.exception.message}", Toast.LENGTH_SHORT).show()
}
is Result.Loading -> {
// Show loading if needed
Toast.makeText(requireContext(),
"Order cancelled!", Toast.LENGTH_SHORT).show()
viewModel.updateStatus(status, forceRefresh = true)
}
is Result.Error ->
Toast.makeText(requireContext(),
"Failed: ${result.exception.message}", Toast.LENGTH_SHORT).show()
else -> { /* Loading */ }
}
}
}
private fun loadOrders() {
// Simple - just call getOrderList for any status including "all"
viewModel.getOrderList(status)
}
// private fun loadOrders() {
// // Simple - just call getOrderList for any status including "all"
// viewModel.getOrderList(status)
// }
private val detailOrderLauncher = registerForActivityResult(
ActivityResultContracts.StartActivityForResult()
) { result ->
if (result.resultCode == Activity.RESULT_OK) {
// Refresh order list when returning with OK result
loadOrders()
}
}
// private val detailOrderLauncher = registerForActivityResult(
// ActivityResultContracts.StartActivityForResult()
// ) { result ->
// if (result.resultCode == Activity.RESULT_OK) {
// // Refresh order list when returning with OK result
//// loadOrders()
// }
// }
private fun navigateToOrderDetail(order: OrdersItem) {
val intent = Intent(requireContext(), DetailOrderStatusActivity::class.java).apply {
@ -183,7 +244,9 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
override fun onOrderCancelled(orderId: String, success: Boolean, message: String) {
if (success) {
Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
loadOrders() // Refresh the list
// loadOrders() // Refresh the list
if (success) viewModel.updateStatus(status, forceRefresh = true)
} else {
Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
}
@ -192,7 +255,8 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
override fun onOrderCompleted(orderId: Int, success: Boolean, message: String) {
if (success) {
Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
loadOrders() // Refresh the list
// loadOrders() // Refresh the list
if (success) viewModel.updateStatus(status, forceRefresh = true)
} else {
Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
}
@ -207,20 +271,20 @@ class OrderListFragment : Fragment(), OrderHistoryAdapter.OrderActionCallbacks {
_binding = null
}
private fun observeOrderCompletionStatus() {
viewModel.orderCompletionStatus.observe(viewLifecycleOwner) { result ->
when (result) {
is Result.Loading -> {
// Handle loading state if needed
}
is Result.Success -> {
Toast.makeText(requireContext(), "Order completed successfully!", Toast.LENGTH_SHORT).show()
loadOrders()
}
is Result.Error -> {
Toast.makeText(requireContext(), "Failed to complete order: ${result.exception.message}", Toast.LENGTH_SHORT).show()
}
}
}
}
// private fun observeOrderCompletionStatus() {
// viewModel.orderCompletionStatus.observe(viewLifecycleOwner) { result ->
// when (result) {
// is Result.Loading -> {
// // Handle loading state if needed
// }
// is Result.Success -> {
// Toast.makeText(requireContext(), "Order completed successfully!", Toast.LENGTH_SHORT).show()
//// loadOrders()
// }
// is Result.Error -> {
// Toast.makeText(requireContext(), "Failed to complete order: ${result.exception.message}", Toast.LENGTH_SHORT).show()
// }
// }
// }
// }
}

View File

@ -9,7 +9,7 @@ class OrderViewPagerAdapter(
) : FragmentStateAdapter(fragmentActivity) {
// Define all possible order statuses
private val orderStatuses = listOf(
val orderStatuses = listOf(
"all", // All orders
"unpaid", // Menunggu Tagihan
"paid", // Belum Dibayar