Example of complex fhirpath usage

utils.ts

import { ColumnType } from 'antd/es/table';
import { Text } from '@beda.software/emr/components';
import { Appointment, ServiceRequest } from 'fhir/r4b';
import fhirpath from 'fhirpath';
import { AsJson } from '../../components/AsJson';
import { TableData } from './types';
import { WasUpdated } from '../../components/WasUpdated';
import { Status } from '../../components/Status';

export const appointmentStatuses = [
    {
        text: 'Pending',
        value: 'pending',
    },
    {
        text: 'Booked',
        value: 'booked',
    },
    {
        text: 'Fulfilled',
        value: 'fulfilled',
    },
    {
        text: 'Cancel',
        value: 'cancelled',
    },
];

function g(appointment: Appointment, exp: string) {
    const res = fhirpath.evaluate(appointment, exp, { Appointment: appointment });
    if (res.length === 0) {
        return "-";
    } if (res.length === 1 && typeof res[0] === 'string') {
        return res[0];
    } else {
        return <AsJson data={res} />;
    }
}

const with_status = (actorPath: string, _statusPath?: string) => (_text: any, { appointment }: TableData) => {
    let actor = g(appointment, actorPath);
    if (typeof actor === 'string') {
        // Handle Anaesthetist ono line display
        actor = actor.split(',')[0];
    }
    /* const status = g(appointment, statusPath); */
    return (<>
        {actor}
    </>)
}

export const columns: Array<ColumnType<TableData>> = [
    {
        title: 'Updated',
        key: 'updated',
        render: (_text: any, { appointment, wasUpdated }: TableData) => {
            const rawLastUpdated = appointment.meta?.lastUpdated;
            const date = rawLastUpdated ? new Date(rawLastUpdated) : '';
            return (
                <>
                    {`${date.toLocaleString()}`} {wasUpdated ? <WasUpdated>New updates</WasUpdated> : ''}
                </>
            );
        },
    },
    {
        title: 'Booking status',
        key: 'status',
        render: (_text: any, { appointment }: TableData) => {
            return <Status>{appointment.status}</Status>;
        }
    },
    {
        title: 'Hospital',
        key: 'Hospital',
        render: with_status(
            "Appointment.participant.where('22232009' in type.coding.code).actor.display",
            "Appointment.participant.where('22232009' in type.coding.code).status"),
    },

    {
        title: 'VMO',
        key: 'practitioner-primary',
        render: with_status(
            "Appointment.participant.where('PPRF' in type.coding.code).actor.display",
            "Appointment.participant.where('PPRF' in type.coding.code).status"),
    },
    {
        title: 'Assistant',
        key: 'practitioner-secondary',
        render: with_status(
            "Appointment.participant.where('SPRF' in type.coding.code).actor.display",
            "Appointment.participant.where('SPRF' in type.coding.code).status"),
    },
    {
        title: 'Anaesthetist',
        key: 'anesthesiologist',
        render: with_status(
            "Appointment.participant.where('88189002' in type.coding.code).actor.display",
            "Appointment.participant.where('88189002' in type.coding.code).status"),
    },
    {
        title: 'Patient',
        key: 'patient',
        render: with_status(
            "Appointment.participant.where('116154003' in type.coding.code).actor.display",
            "Appointment.participant.where('116154003' in type.coding.code).status"),
    },
    {
        title: 'Procedure',
        key: 'service',
        render: (_text: any, { appointment, bundle }: TableData) => {
            const serviceRequestId = fhirpath.evaluate(appointment, "Appointment.basedOn.where(reference.split('/')[0] = 'ServiceRequest').reference.split('/')[1]")[0]
            const sr: ServiceRequest = fhirpath.evaluate(bundle, `Bundle.entry.resource.where(id='${serviceRequestId}')`)[0];
            const mainProcedure = sr.code?.text ?? 'Unknown';
            const secondaryProcedure = fhirpath.evaluate(appointment, "Appointment.contained.where(resourceType='ServiceRequest' and id = %Appointment.supportingInformation.where(type='ServiceRequest').reference.substring(1,36)).code.text", { Appointment: appointment });
            return <><Text strong>{mainProcedure}</Text><br />{secondaryProcedure}</>
        },
    },
    {
        title: 'Procedure Date & Time',
        key: 'date',
        render: (_text: any, { appointment, bundle }: TableData) => {
            const serviceRequestId = fhirpath.evaluate(appointment, "Appointment.basedOn.where(reference.split('/')[0] = 'ServiceRequest').reference.split('/')[1]")[0]
            const sr: ServiceRequest = fhirpath.evaluate(bundle, `Bundle.entry.resource.where(id='${serviceRequestId}')`)[0];
            return new Date(sr.occurrenceDateTime!).toLocaleString();
        },
        sorter: () => 0,
    },
];