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USBankAccountForm into BankFormElement
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138 changes: 138 additions & 0 deletions
138
...eet/src/main/java/com/stripe/android/lpmfoundations/paymentmethod/bank/BankFormElement.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| package com.stripe.android.lpmfoundations.paymentmethod.bank | ||
|
|
||
| import androidx.activity.compose.LocalActivityResultRegistryOwner | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.DisposableEffect | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.lifecycle.viewmodel.compose.viewModel | ||
| import com.stripe.android.core.strings.ResolvableString | ||
| import com.stripe.android.paymentsheet.model.PaymentSelection.New | ||
| import com.stripe.android.paymentsheet.paymentdatacollection.FormArguments | ||
| import com.stripe.android.paymentsheet.paymentdatacollection.ach.USBankAccountForm | ||
| import com.stripe.android.paymentsheet.paymentdatacollection.ach.USBankAccountFormArguments | ||
| import com.stripe.android.paymentsheet.paymentdatacollection.ach.USBankAccountFormViewModel | ||
| import com.stripe.android.paymentsheet.ui.PrimaryButton | ||
| import com.stripe.android.ui.core.elements.RenderableFormElement | ||
| import com.stripe.android.uicore.elements.IdentifierSpec | ||
| import com.stripe.android.uicore.forms.FormFieldEntry | ||
| import com.stripe.android.uicore.utils.collectAsState | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
| import kotlinx.coroutines.flow.asStateFlow | ||
| import kotlinx.coroutines.flow.collect | ||
| import kotlinx.coroutines.flow.onEach | ||
|
|
||
| internal class BankFormElement( | ||
| private val formArguments: FormArguments, | ||
| private val usBankAccountFormArgs: USBankAccountFormArguments, | ||
| ) : RenderableFormElement( | ||
| allowsUserInteraction = true, | ||
| identifier = IdentifierSpec.Generic("bank_form") | ||
| ) { | ||
|
|
||
| private val formFieldValues = MutableStateFlow<List<Pair<IdentifierSpec, FormFieldEntry>>>(emptyList()) | ||
|
|
||
| override fun getFormFieldValueFlow(): StateFlow<List<Pair<IdentifierSpec, FormFieldEntry>>> { | ||
| return formFieldValues.asStateFlow() | ||
| } | ||
|
|
||
| @Composable | ||
| override fun ComposeUI(enabled: Boolean) { | ||
| val activityResultRegistryOwner = LocalActivityResultRegistryOwner.current | ||
|
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| val viewModel = viewModel<USBankAccountFormViewModel>( | ||
| factory = USBankAccountFormViewModel.Factory { | ||
| makeViewModelArgs() | ||
| }, | ||
| ) | ||
|
|
||
| LaunchedEffect(viewModel) { | ||
| viewModel | ||
| .formFieldValues | ||
| .onEach { formFieldValues -> | ||
| val state = viewModel.currentScreenState.value | ||
|
|
||
| handleFormFieldValuesChanged( | ||
| formFieldValues = formFieldValues, | ||
| label = state.primaryButtonText, | ||
| mandateText = state.mandateText, | ||
| collectBankAccount = viewModel::collectBankAccount, | ||
| ) | ||
| } | ||
| .collect() | ||
| } | ||
|
|
||
| val screenState by viewModel.currentScreenState.collectAsState() | ||
| val hasRequiredFields by viewModel.requiredFields.collectAsState() | ||
|
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| LaunchedEffect(screenState, hasRequiredFields) { | ||
| usBankAccountFormArgs.onError(screenState.error) | ||
| // TODO Get rid of this | ||
| // usBankAccountFormArgs.onMandateTextChanged(screenState.mandateText, false) | ||
| } | ||
|
|
||
| DisposableEffect(Unit) { | ||
| viewModel.register(activityResultRegistryOwner!!) | ||
|
|
||
| onDispose { | ||
| usBankAccountFormArgs.onUpdatePrimaryButtonUIState { null } | ||
| } | ||
| } | ||
|
|
||
| USBankAccountForm( | ||
| viewModel = viewModel, | ||
| formArgs = formArguments, | ||
| usBankAccountFormArgs = usBankAccountFormArgs, | ||
| ) | ||
| } | ||
|
|
||
| private fun makeViewModelArgs(): USBankAccountFormViewModel.Args { | ||
| return USBankAccountFormViewModel.Args( | ||
| instantDebits = usBankAccountFormArgs.instantDebits, | ||
| linkMode = usBankAccountFormArgs.linkMode, | ||
| formArgs = formArguments, | ||
| hostedSurface = usBankAccountFormArgs.hostedSurface, | ||
| showCheckbox = usBankAccountFormArgs.showCheckbox, | ||
| isCompleteFlow = usBankAccountFormArgs.isCompleteFlow, | ||
| isPaymentFlow = usBankAccountFormArgs.isPaymentFlow, | ||
| stripeIntentId = usBankAccountFormArgs.stripeIntentId, | ||
| clientSecret = usBankAccountFormArgs.clientSecret, | ||
| onBehalfOf = usBankAccountFormArgs.onBehalfOf, | ||
| savedPaymentMethod = usBankAccountFormArgs.draftPaymentSelection as? New.USBankAccount, | ||
| shippingDetails = usBankAccountFormArgs.shippingDetails, | ||
| ) | ||
| } | ||
|
|
||
| private fun handleFormFieldValuesChanged( | ||
| formFieldValues: List<Pair<IdentifierSpec, FormFieldEntry>>, | ||
| mandateText: ResolvableString?, | ||
| label: ResolvableString, | ||
| collectBankAccount: () -> Unit, | ||
| ) { | ||
| val isComplete = formFieldValues.all { it.second.isComplete } | ||
|
|
||
| val identifiers = formFieldValues.toMap().keys | ||
|
|
||
| val hasResult = identifiers.contains(IdentifierSpec.LinkAccountSessionId) || | ||
| identifiers.contains(IdentifierSpec.LinkPaymentMethodId) | ||
|
|
||
| if (hasResult) { | ||
| // PaymentSheet will take over | ||
| usBankAccountFormArgs.onUpdatePrimaryButtonUIState { null } | ||
| } else { | ||
| usBankAccountFormArgs.onUpdatePrimaryButtonUIState { | ||
| PrimaryButton.UIState( | ||
| label = label, | ||
| onClick = collectBankAccount, | ||
| enabled = isComplete, | ||
| lockVisible = usBankAccountFormArgs.isCompleteFlow, | ||
| ) | ||
| } | ||
| } | ||
|
|
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| usBankAccountFormArgs.onMandateTextChanged(mandateText, false) | ||
|
|
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| this.formFieldValues.value = formFieldValues | ||
| } | ||
| } |
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