export function invite()

in react/features/invite/actions.any.js [67:192]
98 lines of code
12 McCabe index (conditional complexity)

export function invite(
        invitees: Array<Object>,
        showCalleeInfo: boolean = false) {
    return (
            dispatch: Dispatch<any>,
            getState: Function): Promise<Array<Object>> => {
        const state = getState();
        const participantsCount = getParticipantCount(state);
        const { calleeInfoVisible } = state['features/invite'];

        if (showCalleeInfo
                && !calleeInfoVisible
                && invitees.length === 1
                && invitees[0].type === INVITE_TYPES.USER
                && participantsCount === 1) {
            dispatch(setCalleeInfoVisible(true, invitees[0]));
        }

        const { conference, password } = state['features/base/conference'];

        if (typeof conference === 'undefined') {
            // Invite will fail before CONFERENCE_JOIN. The request will be
            // cached in order to be executed on CONFERENCE_JOIN.
            return new Promise(resolve => {
                dispatch(addPendingInviteRequest({
                    invitees,
                    callback: failedInvitees => resolve(failedInvitees)
                }));
            });
        }

        let allInvitePromises = [];
        let invitesLeftToSend = [ ...invitees ];

        const {
            callFlowsEnabled,
            inviteServiceUrl,
            inviteServiceCallFlowsUrl
        } = state['features/base/config'];
        const inviteUrl = getInviteURL(state);
        const { sipInviteUrl } = state['features/base/config'];
        const { locationURL } = state['features/base/connection'];
        const { jwt } = state['features/base/jwt'];
        const { name: displayName } = getLocalParticipant(state);

        // First create all promises for dialing out.
        const phoneNumbers
            = invitesLeftToSend.filter(({ type }) => type === INVITE_TYPES.PHONE);

        // For each number, dial out. On success, remove the number from
        // {@link invitesLeftToSend}.
        const phoneInvitePromises = phoneNumbers.map(item => {
            const numberToInvite = item.number;

            return conference.dial(numberToInvite)
                .then(() => {
                    invitesLeftToSend
                        = invitesLeftToSend.filter(
                            invitee => invitee !== item);
                })
                .catch(error =>
                    logger.error('Error inviting phone number:', error));
        });

        allInvitePromises = allInvitePromises.concat(phoneInvitePromises);

        const usersAndRooms
            = invitesLeftToSend.filter(
                ({ type }) => [ INVITE_TYPES.USER, INVITE_TYPES.ROOM ].includes(type));

        if (usersAndRooms.length) {
            // Send a request to invite all the rooms and users. On success,
            // filter all rooms and users from {@link invitesLeftToSend}.
            const peopleInvitePromise
                = invitePeopleAndChatRooms(
                    callFlowsEnabled
                        ? inviteServiceCallFlowsUrl : inviteServiceUrl,
                    inviteUrl,
                    jwt,
                    usersAndRooms)
                .then(() => {
                    invitesLeftToSend
                        = invitesLeftToSend.filter(
                            ({ type }) => ![ INVITE_TYPES.USER, INVITE_TYPES.ROOM ].includes(type));
                })
                .catch(error => {
                    dispatch(setCalleeInfoVisible(false));
                    logger.error('Error inviting people:', error);
                });

            allInvitePromises.push(peopleInvitePromise);
        }

        // Sipgw calls are fire and forget. Invite them to the conference, then
        // immediately remove them from invitesLeftToSend.
        const vrooms
            = invitesLeftToSend.filter(({ type }) => type === INVITE_TYPES.VIDEO_ROOM);

        conference
            && vrooms.length > 0
            && dispatch(inviteVideoRooms(conference, vrooms));

        invitesLeftToSend
            = invitesLeftToSend.filter(({ type }) => type !== INVITE_TYPES.VIDEO_ROOM);

        const sipEndpoints
            = invitesLeftToSend.filter(({ type }) => type === INVITE_TYPES.SIP);

        conference && inviteSipEndpoints(
            sipEndpoints,
            locationURL,
            sipInviteUrl,
            jwt,
            conference.options.name,
            password,
            displayName
        );

        invitesLeftToSend
            = invitesLeftToSend.filter(({ type }) => type !== INVITE_TYPES.SIP);

        return (
            Promise.all(allInvitePromises)
                .then(() => invitesLeftToSend));
    };
}