ReportScreen.js

import React from 'react';
import {withOnyx} from 'react-native-onyx';
import PropTypes from 'prop-types';
import {View} from 'react-native';
import lodashGet from 'lodash/get';
import _ from 'underscore';
import styles from '../../styles/styles';
import ScreenWrapper from '../../components/ScreenWrapper';
import HeaderView from './HeaderView';
import Navigation from '../../libs/Navigation/Navigation';
import ROUTES from '../../ROUTES';
import * as Report from '../../libs/actions/Report';
import ONYXKEYS from '../../ONYXKEYS';
import * as ReportUtils from '../../libs/ReportUtils';
import ReportActionsView from './report/ReportActionsView';
import ReportActionsSkeletonView from '../../components/ReportActionsSkeletonView';
import reportActionPropTypes from './report/reportActionPropTypes';
import {withNetwork} from '../../components/OnyxProvider';
import compose from '../../libs/compose';
import Visibility from '../../libs/Visibility';
import networkPropTypes from '../../components/networkPropTypes';
import withWindowDimensions, {windowDimensionsPropTypes} from '../../components/withWindowDimensions';
import OfflineWithFeedback from '../../components/OfflineWithFeedback';
import ReportFooter from './report/ReportFooter';
import Banner from '../../components/Banner';
import withLocalize from '../../components/withLocalize';
import reportPropTypes from '../reportPropTypes';
import FullPageNotFoundView from '../../components/BlockingViews/FullPageNotFoundView';
import withViewportOffsetTop, {viewportOffsetTopPropTypes} from '../../components/withViewportOffsetTop';
import * as ReportActionsUtils from '../../libs/ReportActionsUtils';
import personalDetailsPropType from '../personalDetailsPropType';
import getIsReportFullyVisible from '../../libs/getIsReportFullyVisible';
import MoneyRequestHeader from '../../components/MoneyRequestHeader';
import MoneyReportHeader from '../../components/MoneyReportHeader';
import * as ComposerActions from '../../libs/actions/Composer';
import ReportScreenContext from './ReportScreenContext';
import TaskHeaderActionButton from '../../components/TaskHeaderActionButton';
import DragAndDropProvider from '../../components/DragAndDrop/Provider';

const propTypes = {
    /** Navigation route context info provided by react navigation */
    route: PropTypes.shape({
        /** Route specific parameters used on this screen */
        params: PropTypes.shape({
            /** The ID of the report this screen should display */
            reportID: PropTypes.string,
        }).isRequired,
    }).isRequired,

    /** Tells us if the sidebar has rendered */
    isSidebarLoaded: PropTypes.bool,

    /** The report currently being looked at */
    report: reportPropTypes,

    /** Array of report actions for this report */
    reportActions: PropTypes.arrayOf(PropTypes.shape(reportActionPropTypes)),

    /** Whether the composer is full size */
    isComposerFullSize: PropTypes.bool,

    /** Beta features list */
    betas: PropTypes.arrayOf(PropTypes.string),

    /** The policies which the user has access to */
    policies: PropTypes.objectOf(
        PropTypes.shape({
            /** The policy name */
            name: PropTypes.string,

            /** The type of the policy */
            type: PropTypes.string,
        }),
    ),

    /** Information about the network */
    network: networkPropTypes.isRequired,

    /** The account manager report ID */
    accountManagerReportID: PropTypes.string,

    /** All of the personal details for everyone */
    personalDetails: PropTypes.objectOf(personalDetailsPropType),

    ...windowDimensionsPropTypes,
    ...viewportOffsetTopPropTypes,
};

const defaultProps = {
    isSidebarLoaded: false,
    reportActions: [],
    report: {
        hasOutstandingIOU: false,
        isLoadingReportActions: false,
    },
    isComposerFullSize: false,
    betas: [],
    policies: {},
    accountManagerReportID: null,
    personalDetails: {},
};

/**
 * Get the currently viewed report ID as number
 *
 * @param {Object} route
 * @param {Object} route.params
 * @param {String} route.params.reportID
 * @returns {String}
 */
function getReportID(route) {
    return String(lodashGet(route, 'params.reportID', null));
}

// Keep a reference to the list view height so we can use it when a new ReportScreen component mounts
let reportActionsListViewHeight = 0;

class ReportScreen extends React.Component {
    gestureStartListener = null;

    constructor(props) {
        super(props);

        this.onSubmitComment = this.onSubmitComment.bind(this);
        this.chatWithAccountManager = this.chatWithAccountManager.bind(this);
        this.dismissBanner = this.dismissBanner.bind(this);

        this.state = {
            skeletonViewContainerHeight: reportActionsListViewHeight,
            isBannerVisible: true,
        };
        this.firstRenderRef = React.createRef();
        this.firstRenderRef.current = reportActionsListViewHeight === 0;

        this.flatListRef = React.createRef();
        this.reactionListRef = React.createRef();
    }

    componentDidMount() {
        this.unsubscribeVisibilityListener = Visibility.onVisibilityChange(() => {
            const isTopMostReportId = Navigation.getTopmostReportId() === getReportID(this.props.route);

            // If the report is not fully visible (AKA on small screen devices and LHR is open) or the report is optimistic (AKA not yet created)
            // we don't need to call openReport
            if (!getIsReportFullyVisible(isTopMostReportId) || this.props.report.isOptimisticReport) {
                return;
            }

            Report.openReport(this.props.report.reportID);
        });

        this.fetchReportIfNeeded();
        ComposerActions.setShouldShowComposeInput(true);
    }

    componentDidUpdate(prevProps) {
        // If you already have a report open and are deeplinking to a new report on native,
        // the ReportScreen never actually unmounts and the reportID in the route also doesn't change.
        // Therefore, we need to compare if the existing reportID is the same as the one in the route
        // before deciding that we shouldn't call OpenReport.
        const onyxReportID = this.props.report.reportID;
        const routeReportID = getReportID(this.props.route);
        if (onyxReportID === prevProps.report.reportID && (!onyxReportID || onyxReportID === routeReportID)) {
            return;
        }

        this.fetchReportIfNeeded();
        ComposerActions.setShouldShowComposeInput(true);
    }

    componentWillUnmount() {
        if (!this.unsubscribeVisibilityListener) {
            return;
        }
        this.unsubscribeVisibilityListener();
    }

    /**
     * @param {String} text
     */
    onSubmitComment(text) {
        Report.addComment(getReportID(this.props.route), text);
    }

    /**
     * When false the ReportActionsView will completely unmount and we will show a loader until it returns true.
     *
     * @returns {Boolean}
     */
    isReportReadyForDisplay() {
        const reportIDFromPath = getReportID(this.props.route);

        // This is necessary so that when we are retrieving the next report data from Onyx the ReportActionsView will remount completely
        const isTransitioning = this.props.report && this.props.report.reportID !== reportIDFromPath;
        return reportIDFromPath !== '' && this.props.report.reportID && !isTransitioning;
    }

    fetchReportIfNeeded() {
        const reportIDFromPath = getReportID(this.props.route);

        // Report ID will be empty when the reports collection is empty.
        // This could happen when we are loading the collection for the first time after logging in.
        if (!reportIDFromPath) {
            return;
        }

        // It possible that we may not have the report object yet in Onyx yet e.g. we navigated to a URL for an accessible report that
        // is not stored locally yet. If props.report.reportID exists, then the report has been stored locally and nothing more needs to be done.
        // If it doesn't exist, then we fetch the report from the API.
        if (this.props.report.reportID && this.props.report.reportID === getReportID(this.props.route)) {
            return;
        }
        Report.openReport(reportIDFromPath);
    }

    dismissBanner() {
        this.setState({isBannerVisible: false});
    }

    chatWithAccountManager() {
        Navigation.navigate(ROUTES.getReportRoute(this.props.accountManagerReportID));
    }

    render() {
        const reportID = getReportID(this.props.route);
        const {addWorkspaceRoomOrChatPendingAction, addWorkspaceRoomOrChatErrors} = ReportUtils.getReportOfflinePendingActionAndErrors(this.props.report);
        const screenWrapperStyle = [styles.appContent, styles.flex1, {marginTop: this.props.viewportOffsetTop}];

        // There are no reportActions at all to display and we are still in the process of loading the next set of actions.
        const isLoadingInitialReportActions = _.isEmpty(this.props.reportActions) && this.props.report.isLoadingReportActions;

        const shouldHideReport = !ReportUtils.canAccessReport(this.props.report, this.props.policies, this.props.betas);

        const isLoading = !reportID || !this.props.isSidebarLoaded || _.isEmpty(this.props.personalDetails) || this.firstRenderRef.current;
        this.firstRenderRef.current = false;

        const parentReportAction = ReportActionsUtils.getParentReportAction(this.props.report);
        const isDeletedParentAction = ReportActionsUtils.isDeletedParentAction(parentReportAction);
        const isSingleTransactionView = ReportUtils.isMoneyRequest(this.props.report);

        const policy = this.props.policies[`${ONYXKEYS.COLLECTION.POLICY}${this.props.report.policyID}`];

        const isTopMostReportId = Navigation.getTopmostReportId() === getReportID(this.props.route);

        let headerView = (
            <HeaderView
                reportID={reportID}
                onNavigationMenuButtonClicked={() => Navigation.goBack(ROUTES.HOME, false, true)}
                personalDetails={this.props.personalDetails}
                report={this.props.report}
            />
        );

        if (isSingleTransactionView && !isDeletedParentAction) {
            headerView = (
                <MoneyRequestHeader
                    report={this.props.report}
                    policies={this.props.policies}
                    personalDetails={this.props.personalDetails}
                    isSingleTransactionView={isSingleTransactionView}
                    parentReportAction={parentReportAction}
                />
            );
        }

        if (ReportUtils.isMoneyRequestReport(this.props.report)) {
            headerView = (
                <MoneyReportHeader
                    report={this.props.report}
                    policies={this.props.policies}
                    personalDetails={this.props.personalDetails}
                    isSingleTransactionView={isSingleTransactionView}
                    parentReportAction={parentReportAction}
                />
            );
        }

        return (
            <ReportScreenContext.Provider
                value={{
                    flatListRef: this.flatListRef,
                    reactionListRef: this.reactionListRef,
                }}
            >
                <ScreenWrapper
                    style={screenWrapperStyle}
                    shouldEnableKeyboardAvoidingView={isTopMostReportId}
                >
                    <FullPageNotFoundView
                        shouldShow={(!this.props.report.reportID && !this.props.report.isLoadingReportActions && !isLoading) || shouldHideReport}
                        subtitleKey="notFound.noAccess"
                        shouldShowCloseButton={false}
                        shouldShowBackButton={this.props.isSmallScreenWidth}
                        onBackButtonPress={Navigation.goBack}
                        shouldShowLink={false}
                    >
                        <OfflineWithFeedback
                            pendingAction={addWorkspaceRoomOrChatPendingAction}
                            errors={addWorkspaceRoomOrChatErrors}
                            shouldShowErrorMessages={false}
                            needsOffscreenAlphaCompositing
                        >
                            {headerView}
                            {ReportUtils.isTaskReport(this.props.report) && this.props.isSmallScreenWidth && ReportUtils.isOpenTaskReport(this.props.report) && (
                                <View style={[styles.borderBottom]}>
                                    <View style={[styles.appBG, styles.pl0]}>
                                        <View style={[styles.ph5, styles.pb3]}>
                                            <TaskHeaderActionButton report={this.props.report} />
                                        </View>
                                    </View>
                                </View>
                            )}
                        </OfflineWithFeedback>
                        {Boolean(this.props.accountManagerReportID) && ReportUtils.isConciergeChatReport(this.props.report) && this.state.isBannerVisible && (
                            <Banner
                                containerStyles={[styles.mh4, styles.mt4, styles.p4, styles.bgDark]}
                                textStyles={[styles.colorReversed]}
                                text={this.props.translate('reportActionsView.chatWithAccountManager')}
                                onClose={this.dismissBanner}
                                onPress={this.chatWithAccountManager}
                                shouldShowCloseButton
                            />
                        )}
                        <DragAndDropProvider isDisabled={!this.isReportReadyForDisplay()}>
                            <View
                                style={[styles.flex1, styles.justifyContentEnd, styles.overflowHidden]}
                                onLayout={(event) => {
                                    // Rounding this value for comparison because they can look like this: 411.9999694824219
                                    const skeletonViewContainerHeight = Math.round(event.nativeEvent.layout.height);

                                    // Only set state when the height changes to avoid unnecessary renders
                                    if (reportActionsListViewHeight === skeletonViewContainerHeight) return;

                                    // The height can be 0 if the component unmounts - we are not interested in this value and want to know how much space it
                                    // takes up so we can set the skeleton view container height.
                                    if (skeletonViewContainerHeight === 0) {
                                        return;
                                    }
                                    reportActionsListViewHeight = skeletonViewContainerHeight;
                                    this.setState({skeletonViewContainerHeight});
                                }}
                            >
                                {this.isReportReadyForDisplay() && !isLoadingInitialReportActions && !isLoading && (
                                    <ReportActionsView
                                        reportActions={this.props.reportActions}
                                        report={this.props.report}
                                        isComposerFullSize={this.props.isComposerFullSize}
                                        parentViewHeight={this.state.skeletonViewContainerHeight}
                                        policy={policy}
                                    />
                                )}

                                {/* Note: The report should be allowed to mount even if the initial report actions are not loaded. If we prevent rendering the report while they are loading then
                            we'll unnecessarily unmount the ReportActionsView which will clear the new marker lines initial state. */}
                                {(!this.isReportReadyForDisplay() || isLoadingInitialReportActions || isLoading) && (
                                    <ReportActionsSkeletonView containerHeight={this.state.skeletonViewContainerHeight} />
                                )}

                                {this.isReportReadyForDisplay() && (
                                    <>
                                        <ReportFooter
                                            pendingAction={addWorkspaceRoomOrChatPendingAction}
                                            isOffline={this.props.network.isOffline}
                                            reportActions={this.props.reportActions}
                                            report={this.props.report}
                                            isComposerFullSize={this.props.isComposerFullSize}
                                            onSubmitComment={this.onSubmitComment}
                                            policies={this.props.policies}
                                        />
                                    </>
                                )}

                                {!this.isReportReadyForDisplay() && (
                                    <ReportFooter
                                        shouldDisableCompose
                                        isOffline={this.props.network.isOffline}
                                    />
                                )}
                            </View>
                        </DragAndDropProvider>
                    </FullPageNotFoundView>
                </ScreenWrapper>
            </ReportScreenContext.Provider>
        );
    }
}

ReportScreen.propTypes = propTypes;
ReportScreen.defaultProps = defaultProps;

export default compose(
    withViewportOffsetTop,
    withLocalize,
    withWindowDimensions,
    withNetwork(),
    withOnyx({
        isSidebarLoaded: {
            key: ONYXKEYS.IS_SIDEBAR_LOADED,
        },
        reportActions: {
            key: ({route}) => `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${getReportID(route)}`,
            canEvict: false,
            selector: ReportActionsUtils.getSortedReportActionsForDisplay,
        },
        report: {
            key: ({route}) => `${ONYXKEYS.COLLECTION.REPORT}${getReportID(route)}`,
        },
        isComposerFullSize: {
            key: ({route}) => `${ONYXKEYS.COLLECTION.REPORT_IS_COMPOSER_FULL_SIZE}${getReportID(route)}`,
        },
        betas: {
            key: ONYXKEYS.BETAS,
        },
        policies: {
            key: ONYXKEYS.COLLECTION.POLICY,
        },
        accountManagerReportID: {
            key: ONYXKEYS.ACCOUNT_MANAGER_REPORT_ID,
        },
        personalDetails: {
            key: ONYXKEYS.PERSONAL_DETAILS_LIST,
        },
    }),
)(ReportScreen);