lbry-desktop/ui/component/commentCreate/view.jsx

139 lines
4.3 KiB
JavaScript

// @flow
import { CHANNEL_NEW } from 'constants/claim';
import React, { useEffect, useState } from 'react';
import classnames from 'classnames';
import { FormField, Form } from 'component/common/form';
import Button from 'component/button';
import ChannelSelection from 'component/selectChannel';
import usePersistedState from 'effects/use-persisted-state';
import * as MODALS from 'constants/modal_types';
import I18nMessage from 'component/i18nMessage';
type Props = {
commentingEnabled: boolean,
uri: string,
claim: StreamClaim,
openModal: (id: string, { onCommentAcknowledge: () => void }) => void,
createComment: (string, string, string, ?string) => void,
channels: ?Array<ChannelClaim>,
parentId?: string,
onDoneReplying?: () => void,
onCancelReplying?: () => void,
};
export function CommentCreate(props: Props) {
const {
commentingEnabled,
createComment,
claim,
openModal,
channels,
parentId,
onDoneReplying,
onCancelReplying,
} = props;
const { claim_id: claimId } = claim;
const isReply = !!parentId;
const [commentValue, setCommentValue] = React.useState('');
const [commentAck, setCommentAck] = usePersistedState('comment-acknowledge', false);
const [channel, setChannel] = usePersistedState('comment-channel', '');
const [charCount, setCharCount] = useState(commentValue.length);
const [advancedEditor, setAdvancedEditor] = usePersistedState('comment-editor-mode', false);
const topChannel =
channels &&
channels.reduce((top, channel) => {
const topClaimCount = (top && top.meta && top.meta.claims_in_channel) || 0;
const currentClaimCount = (channel && channel.meta && channel.meta.claims_in_channel) || 0;
return topClaimCount >= currentClaimCount ? top : channel;
});
useEffect(() => {
// set default channel
if ((channel === '' || channel === 'anonymous') && topChannel) {
handleChannelChange(topChannel.name);
}
}, [channel, topChannel]);
function handleCommentChange(event) {
setCommentValue(advancedEditor ? event : event.target.value);
}
function handleChannelChange(channel) {
setChannel(channel);
}
function handleCommentAck() {
setCommentAck(true);
}
function onTextareaFocus() {
if (!commentAck) {
openModal(MODALS.COMMENT_ACKNOWEDGEMENT, { onCommentAcknowledge: handleCommentAck });
}
}
function handleSubmit() {
if (channel !== CHANNEL_NEW && commentValue.length) {
createComment(commentValue, claimId, channel, parentId);
}
setCommentValue('');
if (onDoneReplying) {
onDoneReplying();
}
}
function toggleEditorMode() {
setAdvancedEditor(!advancedEditor);
}
useEffect(() => setCharCount(commentValue.length), [commentValue]);
if (!commentingEnabled) {
return (
<I18nMessage tokens={{ sign_in_link: <Button button="link" requiresAuth label={__('sign in')} /> }}>
Please %sign_in_link% to comment.
</I18nMessage>
);
}
return (
<Form onSubmit={handleSubmit} className={classnames('comment__create', { 'comment__create--reply': isReply })}>
{!isReply && <ChannelSelection channel={channel} hideAnon onChannelChange={handleChannelChange} />}
<FormField
disabled={channel === CHANNEL_NEW}
type={advancedEditor ? 'markdown' : 'textarea'}
name={isReply ? 'content_reply' : 'content_description'}
label={isReply ? __('Replying as %reply_channel%', { reply_channel: channel }) : __('Comment')}
quickActionLabel={advancedEditor ? __('Simple Editor') : __('Advanced Editor')}
quickActionHandler={toggleEditorMode}
onFocus={onTextareaFocus}
placeholder={__('Say something about this...')}
value={commentValue}
charCount={charCount}
onChange={handleCommentChange}
autoFocus={isReply}
/>
<div className="section__actions">
<Button
button="primary"
disabled={channel === CHANNEL_NEW || !commentValue.length}
type="submit"
label={isReply ? __('Reply') : __('Post')}
requiresAuth={IS_WEB}
/>
{isReply && (
<Button
button="link"
label={__('Cancel')}
onClick={() => {
if (onCancelReplying) {
onCancelReplying();
}
}}
/>
)}
</div>
</Form>
);
}