Files
vant/src/coupon/Coupon.tsx
T

113 lines
2.9 KiB
TypeScript

import { computed, PropType, defineComponent } from 'vue';
import { padZero, createNamespace } from '../utils';
import { Checkbox } from '../checkbox';
export type CouponInfo = {
id: string | number;
name: string;
endAt: number;
value: number;
startAt: number;
reason?: string;
discount?: number;
unitDesc?: string;
condition?: string;
valueDesc?: string;
description: string;
denominations?: number;
originCondition?: number;
};
const [name, bem, t] = createNamespace('coupon');
function getDate(timeStamp: number) {
const date = new Date(timeStamp * 1000);
return `${date.getFullYear()}.${padZero(date.getMonth() + 1)}.${padZero(
date.getDate()
)}`;
}
function formatDiscount(discount: number) {
return (discount / 10).toFixed(discount % 10 === 0 ? 0 : 1);
}
function formatAmount(amount: number) {
return (amount / 100).toFixed(
amount % 100 === 0 ? 0 : amount % 10 === 0 ? 1 : 2
);
}
export default defineComponent({
name,
props: {
chosen: Boolean,
disabled: Boolean,
coupon: {
type: Object as PropType<CouponInfo>,
required: true,
},
currency: {
type: String,
default: '¥',
},
},
setup(props) {
const validPeriod = computed(() => {
const { startAt, endAt } = props.coupon;
return `${getDate(startAt)} - ${getDate(endAt)}`;
});
const faceAmount = computed(() => {
const { coupon, currency } = props;
if (coupon.valueDesc) {
return [coupon.valueDesc, <span>{coupon.unitDesc || ''}</span>];
}
if (coupon.denominations) {
const denominations = formatAmount(coupon.denominations);
return [<span>{currency}</span>, ` ${denominations}`];
}
if (coupon.discount) {
return t('discount', formatDiscount(coupon.discount));
}
return '';
});
const conditionMessage = computed(() => {
const condition = formatAmount(props.coupon.originCondition || 0);
return condition === '0' ? t('unlimited') : t('condition', condition);
});
return () => {
const { chosen, coupon, disabled } = props;
const description = (disabled && coupon.reason) || coupon.description;
return (
<div class={bem({ disabled })}>
<div class={bem('content')}>
<div class={bem('head')}>
<h2 class={bem('amount')}>{faceAmount.value}</h2>
<p class={bem('condition')}>
{coupon.condition || conditionMessage.value}
</p>
</div>
<div class={bem('body')}>
<p class={bem('name')}>{coupon.name}</p>
<p class={bem('valid')}>{validPeriod.value}</p>
{!disabled && (
<Checkbox class={bem('corner')} modelValue={chosen} />
)}
</div>
</div>
{description && <p class={bem('description')}>{description}</p>}
</div>
);
};
},
});