File size: 4,233 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
import styled from '@emotion/styled';
import { useI18n } from '@wordpress/react-i18n';
import { cloneElement, useCallback } from 'react';
import joinClasses from '../lib/join-classes';
import { useAllPaymentMethods, usePaymentMethodId } from '../lib/payment-methods';
import { makeErrorResponse } from '../lib/payment-processors';
import { useFormStatus, FormStatus, useProcessPayment } from '../public-api';
import CheckoutErrorBoundary from './checkout-error-boundary';
import { useHandlePaymentProcessorResponse } from './use-process-payment';
import type { PaymentMethod, PaymentProcessorSubmitData, ProcessPayment } from '../types';

const CheckoutSubmitButtonWrapper = styled.div`
	& > button {
		height: 50px;
	}

	&.checkout-submit-button--inactive {
		display: none;
	}
`;

export default function CheckoutSubmitButton( {
	validateForm,
	className,
	disabled,
	onLoadError,
}: {
	validateForm?: () => Promise< boolean >;
	className?: string;
	disabled?: boolean;
	onLoadError?: ( error: Error ) => void;
} ) {
	const paymentMethods = useAllPaymentMethods();

	return (
		<>
			{ paymentMethods.map( ( paymentMethod ) => {
				return (
					<CheckoutSubmitButtonForPaymentMethod
						key={ paymentMethod.id }
						paymentMethod={ paymentMethod }
						validateForm={ validateForm }
						className={ className }
						disabled={ disabled }
						onLoadError={ onLoadError }
					/>
				);
			} ) }
		</>
	);
}

function CheckoutSubmitButtonForPaymentMethod( {
	paymentMethod,
	validateForm,
	className,
	disabled,
	onLoadError,
}: {
	paymentMethod: PaymentMethod;
	validateForm?: () => Promise< boolean >;
	className?: string;
	disabled?: boolean;
	onLoadError?: ( error: Error ) => void;
} ) {
	const handlePaymentProcessorPromise = useHandlePaymentProcessorResponse();
	const [ activePaymentMethodId ] = usePaymentMethodId();
	const isActive = paymentMethod.id === activePaymentMethodId;
	const { formStatus } = useFormStatus();
	const { __ } = useI18n();
	const isDisabled = disabled || formStatus !== FormStatus.READY || ! isActive;
	const onClick = useProcessPayment( paymentMethod?.paymentProcessorId ?? '' );
	const onClickWithValidation: ProcessPayment = async (
		processorData: PaymentProcessorSubmitData
	) => {
		if ( ! isActive ) {
			const rejection = Promise.resolve(
				makeErrorResponse( __( 'This payment method is not currently available.' ) )
			);
			handlePaymentProcessorPromise( paymentMethod.id, rejection );
			return rejection;
		}

		if ( validateForm ) {
			return validateForm().then( ( validationResult: boolean ) => {
				if ( validationResult ) {
					return onClick( processorData );
				}
				// Take no action if the form is not valid. User notification should be
				// handled inside the validation callback itself but we will return a
				// generic error message here in case something needs it.
				return Promise.resolve(
					makeErrorResponse( __( 'The information requried by this payment method is not valid.' ) )
				);
			} );
		}

		// Always run if there is no validation callback.
		return onClick( processorData );
	};

	// Add payment method to any errors that get logged.
	const onLoadErrorWithPaymentMethodId = useCallback(
		( error: Error ) => {
			if ( ! onLoadError ) {
				return;
			}
			const errorWithCause = new Error(
				`Error while rendering submit button for payment method '${ paymentMethod.id }': ${ error.message } (${ error.name })`,
				{ cause: error }
			);
			onLoadError( errorWithCause );
		},
		[ onLoadError, paymentMethod.id ]
	);

	const { submitButton } = paymentMethod;
	if ( ! submitButton ) {
		return null;
	}

	// We clone the element to add props
	const clonedSubmitButton = cloneElement( submitButton, {
		disabled: isDisabled,
		onClick: onClickWithValidation,
	} );
	return (
		<CheckoutErrorBoundary
			errorMessage={ __( 'There was a problem with the submit button.' ) }
			onError={ onLoadErrorWithPaymentMethodId }
		>
			<CheckoutSubmitButtonWrapper
				className={ joinClasses( [
					className,
					'checkout-submit-button',
					isActive ? 'checkout-submit-button--active' : 'checkout-submit-button--inactive',
				] ) }
			>
				{ clonedSubmitButton }
			</CheckoutSubmitButtonWrapper>
		</CheckoutErrorBoundary>
	);
}