134 lines
3.9 KiB
JavaScript
134 lines
3.9 KiB
JavaScript
// @flow
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import React, { useCallback, useState } from 'react';
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import type { AbstractComponent } from 'react';
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import { useTranslation } from 'react-i18next';
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import { useSelector } from 'react-redux';
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import { createPollEvent, sendAnalytics } from '../../analytics';
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import { COMMAND_NEW_POLL } from '../constants';
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/**
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* The type of the React {@code Component} props of inheriting component.
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*/
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type InputProps = {
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setCreateMode: boolean => void,
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};
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/*
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* Props that will be passed by the AbstractPollCreate to its
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* concrete implementations (web/native).
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**/
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export type AbstractProps = InputProps & {
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answers: Array<string>,
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question: string,
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setQuestion: string => void,
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setAnswer: (number, string) => void,
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addAnswer: ?number => void,
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moveAnswer: (number, number) => void,
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removeAnswer: number => void,
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onSubmit: Function,
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isSubmitDisabled: boolean,
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t: Function,
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};
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/**
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* Higher Order Component taking in a concrete PollCreate component and
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* augmenting it with state/behavior common to both web and native implementations.
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*
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* @param {React.AbstractComponent} Component - The concrete component.
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* @returns {React.AbstractComponent}
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*/
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const AbstractPollCreate = (Component: AbstractComponent<AbstractProps>) => (props: InputProps) => {
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const { setCreateMode } = props;
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const [ question, setQuestion ] = useState('');
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const [ answers, setAnswers ] = useState([ '', '' ]);
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const setAnswer = useCallback((i, answer) => {
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const newAnswers = [ ...answers ];
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newAnswers[i] = answer;
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setAnswers(newAnswers);
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});
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const addAnswer = useCallback((i: ?number) => {
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const newAnswers = [ ...answers ];
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sendAnalytics(createPollEvent('option.added'));
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newAnswers.splice(typeof i === 'number' ? i : answers.length, 0, '');
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setAnswers(newAnswers);
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});
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const moveAnswer = useCallback((i, j) => {
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const newAnswers = [ ...answers ];
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const answer = answers[i];
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sendAnalytics(createPollEvent('option.moved'));
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newAnswers.splice(i, 1);
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newAnswers.splice(j, 0, answer);
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setAnswers(newAnswers);
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});
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const removeAnswer = useCallback(i => {
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if (answers.length <= 2) {
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return;
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}
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const newAnswers = [ ...answers ];
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sendAnalytics(createPollEvent('option.removed'));
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newAnswers.splice(i, 1);
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setAnswers(newAnswers);
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});
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const conference = useSelector(state => state['features/base/conference'].conference);
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const onSubmit = useCallback(ev => {
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if (ev) {
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ev.preventDefault();
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}
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const filteredAnswers = answers.filter(answer => answer.trim().length > 0);
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if (filteredAnswers.length < 2) {
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return;
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}
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conference.sendMessage({
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type: COMMAND_NEW_POLL,
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pollId: Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString(36),
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question,
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answers: filteredAnswers
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});
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sendAnalytics(createPollEvent('created'));
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setCreateMode(false);
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}, [ conference, question, answers ]);
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// Check if the poll create form can be submitted i.e. if the send button should be disabled.
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const isSubmitDisabled
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= question.trim().length <= 0 // If no question is provided
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|| answers.filter(answer => answer.trim().length > 0).length < 2; // If not enough options are provided
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const { t } = useTranslation();
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return (<Component
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addAnswer = { addAnswer }
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answers = { answers }
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isSubmitDisabled = { isSubmitDisabled }
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moveAnswer = { moveAnswer }
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onSubmit = { onSubmit }
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question = { question }
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removeAnswer = { removeAnswer }
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setAnswer = { setAnswer }
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setCreateMode = { setCreateMode }
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setQuestion = { setQuestion }
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t = { t } />);
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};
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export default AbstractPollCreate;
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