@ministryofjustice/hmpps-digital-prison-reporting-frontend/dpr/controllers/reportPolling/createReportPollingHandler.js

The Digital Prison Reporting Frontend contains templates and code to help display data effectively in UI applications.

import { getMyReport } from '../../routes/journeys/my-reports/utils.js';
import { captureDprError } from '../../utils/captureError.js';
import { getValues } from '../../utils/localsHelper.js';
import { evaluateAndUpdateReportStatus } from '../../utils/ReportStatus/getReportStatus.js';

const createReportPollingHandler = (services, renderFn) => async (req, res, _next) => {
    let requestedReport;
    try {
        const { executionId } = req.params;
        const { token, dprUser } = getValues(res);
        requestedReport = await getMyReport({ executionId }, 'requestedReports', services, dprUser.id);
        if (!requestedReport) {
            return res.sendStatus(404);
        }
        const { resolution, updated } = await evaluateAndUpdateReportStatus({
            stored: requestedReport,
            services,
            token,
            res,
        });
        if (resolution.type === 'NO_CHANGE' || !updated) {
            return res.sendStatus(204);
        }
        const { template, data } = renderFn(updated, resolution, req, res);
        return res.render(template, data, (err, html) => {
            if (err)
                return res.sendStatus(500);
            return res.type('text/html').send(html);
        });
    }
    catch (error) {
        const message = 'Polling error';
        const { executionId, reportId, id } = req.params;
        const meta = {
            reportId,
            id,
            executionId,
            ...(requestedReport
                ? {
                    type: requestedReport.type,
                    reportName: requestedReport.reportName,
                    loadType: requestedReport.loadType,
                }
                : {}),
        };
        captureDprError(error, message, meta);
        return res.sendStatus(500);
    }
};

export { createReportPollingHandler };
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