Examples with PdfOptions com.microsoft.playwright.Page.PdfOptions used on opensource projects

Example 1 with PdfOptions

use of com.microsoft.playwright.Page.PdfOptions in project Insights by CognizantOneDevOps.

the class GrafanaPDFHandler method printableDashboardAsPdf.

/**
 * Generates printable pdf from Grafana dashboard panels.
 * @param assessmentReportDTO
 * @param grafanaDashboardConfig
 * @param incomingTaskMessageJson
 * @param exportedFilePath
 */
private synchronized void printableDashboardAsPdf(InsightsAssessmentConfigurationDTO assessmentReportDTO, String exportedFilePath) {
    Playwright playwright = null;
    try {
        playwright = Playwright.create();
        long startTime = System.nanoTime();
        BrowserType browserType = playwright.chromium();
        LaunchOptions launchOptions = new LaunchOptions();
        launchOptions.setHeadless(Boolean.TRUE);
        launchOptions.setDevtools(Boolean.FALSE);
        Browser browser = browserType.launch(launchOptions);
        BrowserContext context = browser.newContext();
        Page page = context.newPage();
        JsonElement config = JsonUtils.parseStringAsJsonElement(pdfconfigDto.getDashboardJson());
        int loadTime = config.getAsJsonObject().get("loadTime").getAsInt() * 1000;
        log.debug("Worlflow Detail ==== LoadTIme configured for Grafana in milliseconds ===== {} ", loadTime);
        String grafanaEndpoint = getGrafanaEndPoint();
        log.debug("Worlflow Detail ==== grafanaEndpoint from config ===== {} ", grafanaEndpoint);
        JsonArray panelArray = config.getAsJsonObject().get("panelUrls").getAsJsonArray();
        List<String> grafanaPanelList = new ArrayList<>(0);
        panelArray.forEach(e -> {
            String panelUrl = e.getAsString().replace("<GRAFANA_URL>", grafanaEndpoint);
            log.debug("Worlflow Detail ==== Panel url ===== {} ", panelUrl);
            grafanaPanelList.add(panelUrl);
        });
        Map<String, String> headers = getGrafanaHeaders(config);
        NavigateOptions navigateOptions = new NavigateOptions();
        navigateOptions.setWaitUntil(WaitUntilState.NETWORKIDLE);
        String dashboardElement = readDashboardElementJson();
        log.debug("Worlflow Detail ==== dashboardReportElement.json fetched successfully");
        JsonObject dashboardElementJson = JsonUtils.parseStringAsJsonObject(dashboardElement).get("Printable").getAsJsonObject();
        JsonArray elementList = dashboardElementJson.get("elements").getAsJsonArray();
        List<byte[]> imageList = new ArrayList<>();
        for (int idx = 0; idx < grafanaPanelList.size(); idx++) {
            page.setExtraHTTPHeaders(headers);
            page.waitForTimeout(TRANSITION_TIME);
            page.setViewportSize(1200, 800);
            page.route("**", route -> route.resume());
            page.onRequest(request -> log.debug("Request >> {} {}  ", request.method(), request.url()));
            page.onResponse(response -> log.debug("Response << {} {} ", response.status(), response.url()));
            page.navigate(grafanaPanelList.get(idx), navigateOptions);
            Page.WaitForSelectorOptions waitForSelectorOptions = new Page.WaitForSelectorOptions();
            waitForSelectorOptions.setState(WaitForSelectorState.ATTACHED);
            log.debug("Waiting for panel {} to load completely before screenshot == {} ", idx, Instant.now());
            page.waitForTimeout(loadTime);
            log.debug("Waiting time completed for dashboard == {} ", Instant.now());
            for (JsonElement ele : elementList) {
                page.evaluate(ele.getAsString());
            }
            ElementHandle elementHandle = page.querySelector(dashboardElementJson.get("screenshotElement").getAsString());
            page.waitForTimeout(TRANSITION_TIME);
            byte[] image = elementHandle.screenshot();
            imageList.add(image);
        }
        String dynamicTemplate = assessmentReportDTO.getPdfReportDirPath() + File.separator + assessmentReportDTO.getAsseementreportname() + "." + ReportEngineUtils.HTML_EXTENSION;
        log.debug("Worlflow Detail ==== Generated DynamicTemplate.html name  ===== {} ", dynamicTemplate);
        prepareHtml(imageList, dynamicTemplate);
        page = context.newPage();
        page.navigate(new File(dynamicTemplate).getAbsolutePath());
        PdfOptions pdfOptions = new PdfOptions();
        pdfOptions.setPrintBackground(Boolean.TRUE);
        pdfOptions.setDisplayHeaderFooter(true);
        pdfOptions.setHeaderTemplate(updateLogoImgInHeaderTemplate(false));
        pdfOptions.setFooterTemplate(fetchTemplate(FOOTER_HTML));
        pdfOptions.setMargin(new Margin().setTop("85").setRight("10").setBottom("5").setLeft("10"));
        byte[] dashboardPdf = page.pdf(pdfOptions);
        String frontPagePath = assessmentReportDTO.getPdfReportDirPath() + File.separator + MODIFIED_FRONT_PAGE_TEMPLATE;
        modifyFrontPageTemplate(frontPagePath);
        page = context.newPage();
        page.navigate("file:" + new File(frontPagePath).getAbsolutePath());
        pdfOptions.setHeaderTemplate(updateLogoImgInHeaderTemplate(true));
        pdfOptions.setFooterTemplate(fetchTemplate("frontPagefooter.html"));
        byte[] frontPagePdf = page.pdf(pdfOptions);
        page.close();
        context.close();
        browser.close();
        byte[] finalPdf = mergePDFFiles(frontPagePdf, dashboardPdf, exportedFilePath);
        pdfExecutionUtils.saveToVisualizationContainer(assessmentReportDTO, finalPdf);
        long processingTime = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime);
        log.debug(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), pdfconfigDto.getWorkflowType(), "-", "-", processingTime, PDF_TYPE + pdfconfigDto.getPdfType() + SCHEDULE + pdfconfigDto.getScheduleType() + SOURCE + pdfconfigDto.getSource());
    } catch (Exception e) {
        log.error("Worlflow Detail ==== Grafana Dashboard export as Printable PDF Completed with error {} ", e.getMessage());
        log.error(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), "-", "-", "-", 0, " Grafana Dashboard export as Printable PDF Completed with error " + e.getMessage());
        log.error(e);
        throw new InsightsJobFailedException(e.getMessage());
    } finally {
        try {
            playwright.close();
        } catch (Exception e) {
            log.error("Worlflow Detail ==== Unable to close Playwright {} ", e.getMessage());
            log.error(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), "-", "-", "-", 0, " Unable to close Playwright " + e.getMessage());
        }
    }
}

Example 2 with PdfOptions

use of com.microsoft.playwright.Page.PdfOptions in project Insights by CognizantOneDevOps.

the class GrafanaPDFHandler method grafanaDashboardAsPdf.

/**
 * Uses playwright to create current url of grafana dashboard as pdf
 * @param assessmentReportDTO
 * @param grafanaDashboardConfig
 * @param incomingTaskMessageJson
 * @param exportedFilePath
 */
private void grafanaDashboardAsPdf(InsightsAssessmentConfigurationDTO assessmentReportDTO, String exportedFilePath) {
    JsonElement config = JsonUtils.parseStringAsJsonElement(pdfconfigDto.getDashboardJson());
    String grafanaEndpoint = getGrafanaEndPoint();
    int loadTime = config.getAsJsonObject().get("loadTime").getAsInt() * 1000;
    log.debug("Worlflow Detail ==== LoadTIme configured for Grafana in milliseconds ===== {} ", loadTime);
    String grafanaUrl = config.getAsJsonObject().get("dashUrl").getAsString().replace("<GRAFANA_URL>", grafanaEndpoint);
    log.debug("Worlflow Detail ==== grafanadashboard Url ===== {} ", grafanaUrl);
    Playwright playwright = null;
    String pageContent = "";
    try {
        playwright = Playwright.create();
        long startTime = System.nanoTime();
        BrowserType browserType = playwright.chromium();
        LaunchOptions launchOptions = new LaunchOptions();
        launchOptions.setHeadless(Boolean.TRUE);
        launchOptions.setDevtools(Boolean.FALSE);
        Browser browser = browserType.launch(launchOptions);
        BrowserContext context = browser.newContext();
        Page page = context.newPage();
        Map<String, String> headers = getGrafanaHeaders(config);
        page.setExtraHTTPHeaders(headers);
        page.onRequest(request -> log.debug("Request >> {} {} ", request.method(), request.url()));
        page.onResponse(response -> log.debug("Response << {} {} ", response.status(), response.url()));
        NavigateOptions navigateOptions = new NavigateOptions();
        navigateOptions.setWaitUntil(WaitUntilState.NETWORKIDLE);
        page.navigate(grafanaUrl, navigateOptions);
        pageContent = page.content();
        page.waitForLoadState();
        log.debug("Worlflow Detail ==== Waiting for dashboard to load == loadTime {} time {} ", loadTime, Instant.now());
        page.waitForTimeout(loadTime);
        log.debug("Worlflow Detail ====Waiting exit post configured time to load Dashboard == {} ", Instant.now());
        String dashboardElement = readDashboardElementJson();
        log.debug("Worlflow Detail ==== reading elements from dashboardReportElement.json");
        JsonObject dashboardElementJson = JsonUtils.parseStringAsJsonObject(dashboardElement).get("dashboard").getAsJsonObject();
        JsonArray elementList = dashboardElementJson.get("elements").getAsJsonArray();
        for (JsonElement ele : elementList) {
            page.evaluate(ele.getAsString());
        }
        Object width = page.evaluate(dashboardElementJson.get("width").getAsString());
        log.debug("Worlflow Detail ==== Grafana grid Width ===== {} ", width);
        int dashboardwidth = width instanceof Integer ? (int) width + 40 : Integer.parseInt(width.toString());
        log.debug("Worlflow Detail ==== Grafana Dashboard width ===== {} ", dashboardwidth);
        Object height = page.evaluate(dashboardElementJson.get("height").getAsString());
        log.debug("Worlflow Detail ==== Grafana grid height ===== {} ", height);
        int dashboardlength = height instanceof Integer ? (int) height + 160 : Integer.parseInt(height.toString());
        log.debug("Worlflow Detail ==== Grafana Dashboard length ===== {} ", dashboardlength);
        page.evaluate(dashboardElementJson.get("screenshotElement").getAsString());
        log.debug("Waiting for dashboard to load completely before screenshot == {} ", Instant.now());
        page.waitForTimeout(loadTime);
        log.debug("Waiting time completed for dashboard == {} ", Instant.now());
        page.waitForLoadState(LoadState.NETWORKIDLE);
        PdfOptions pdfOptions = new PdfOptions();
        pdfOptions.setPrintBackground(Boolean.TRUE);
        pdfOptions.setWidth(dashboardwidth + "px");
        pdfOptions.setHeight(dashboardlength + "px");
        pdfOptions.setScale(1);
        pdfOptions.setDisplayHeaderFooter(true);
        pdfOptions.setHeaderTemplate(updateLogoImgInHeaderTemplate(false));
        pdfOptions.setFooterTemplate(fetchTemplate(FOOTER_HTML));
        pdfOptions.setMargin(new Margin().setTop("90").setRight("0").setBottom("50").setLeft("0"));
        page.emulateMedia(new Page.EmulateMediaOptions().setMedia(Media.SCREEN));
        byte[] dashboardPdf = page.pdf(pdfOptions);
        log.debug("Worlflow Detail ==== dashboard pdf generated ===");
        String frontPagePath = assessmentReportDTO.getPdfReportDirPath() + File.separator + MODIFIED_FRONT_PAGE_TEMPLATE;
        modifyFrontPageTemplate(frontPagePath);
        page = context.newPage();
        page.navigate("file:" + new File(frontPagePath).getAbsolutePath());
        pdfOptions.setHeaderTemplate(updateLogoImgInHeaderTemplate(true));
        pdfOptions.setFooterTemplate(fetchTemplate("frontPagefooter.html"));
        pdfOptions.setHeight("1600px");
        byte[] frontPagePdf = page.pdf(pdfOptions);
        page.close();
        context.close();
        browser.close();
        byte[] finalPdf = mergePDFFiles(frontPagePdf, dashboardPdf, exportedFilePath);
        if (Boolean.FALSE.equals(pdfconfigDto.getIsAssessmentReport())) {
            pdfExecutionUtils.saveToVisualizationContainer(assessmentReportDTO, finalPdf);
        }
        long processingTime = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime);
        log.debug(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), pdfconfigDto.getWorkflowType(), "-", "-", processingTime, PDF_TYPE + pdfconfigDto.getPdfType() + SCHEDULE + pdfconfigDto.getScheduleType() + SOURCE + pdfconfigDto.getSource());
    } catch (Exception e) {
        log.error("Worlflow Detail ==== Grafana Dashboard export as PDF Completed with error {} ", e.getMessage());
        log.error(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), "-", "-", "-", 0, " Grafana Dashboard export as PDF Completed with error " + e.getMessage());
        log.error("Dashboard page content ========== {} ", pageContent);
        log.error(e);
        throw new InsightsJobFailedException(e.getMessage());
    } finally {
        try {
            playwright.close();
        } catch (Exception e) {
            log.error("Worlflow Detail ==== Unable to close Playwright {} ", e.getMessage());
            log.error(LOG_MESSAGE, assessmentReportDTO.getExecutionId(), assessmentReportDTO.getWorkflowId(), assessmentReportDTO.getConfigId(), "-", "-", "-", 0, " Unable to close Playwright " + e.getMessage());
        }
    }
}