stacker.news/components/discussion-form.js

87 lines
2.4 KiB
JavaScript

import { Form, Input, MarkdownInput, SubmitButton } from '../components/form'
import { useRouter } from 'next/router'
import * as Yup from 'yup'
import { gql, useMutation } from '@apollo/client'
import ActionTooltip from '../components/action-tooltip'
import TextareaAutosize from 'react-textarea-autosize'
import Countdown from './countdown'
export const DiscussionSchema = Yup.object({
title: Yup.string().required('required').trim()
})
export function DiscussionForm ({ item, editThreshold }) {
const router = useRouter()
const [createDiscussion] = useMutation(
gql`
mutation createDiscussion($title: String!, $text: String) {
createDiscussion(title: $title, text: $text) {
id
}
}`
)
const [updateDiscussion] = useMutation(
gql`
mutation updateDiscussion($id: ID!, $title: String!, $text: String!) {
updateDiscussion(id: $id, title: $title, text: $text) {
id
}
}`, {
update (cache, { data: { updateDiscussion } }) {
cache.modify({
id: `Item:${item.id}`,
fields: {
title () {
return updateDiscussion.title
},
text () {
return updateDiscussion.text
}
}
})
}
}
)
return (
<Form
initial={{
title: item?.title || '',
text: item?.text || ''
}}
schema={DiscussionSchema}
onSubmit={async (values) => {
let id, error
if (item) {
({ data: { updateDiscussion: { id } }, error } = await updateDiscussion({ variables: { ...values, id: item.id } }))
} else {
({ data: { createDiscussion: { id } }, error } = await createDiscussion({ variables: values }))
}
if (error) {
throw new Error({ message: error.toString() })
}
router.push(`/items/${id}`)
}}
>
<Input
label='title'
name='title'
required
autoFocus
/>
<MarkdownInput
label={<>text <small className='text-muted ml-2'>optional</small></>}
name='text'
as={TextareaAutosize}
minRows={4}
hint={editThreshold
? <Countdown date={editThreshold} />
: null}
/>
<ActionTooltip>
<SubmitButton variant='secondary' className='mt-2'>{item ? 'save' : 'post'}</SubmitButton>
</ActionTooltip>
</Form>
)
}