Is it possible to export the multiple survey questionnaire at once with Survey PDF?

Hi Jane,

I have referred the code given in the below link that you have shared,
Merge several SurveyJSONs manually | surveyjs Support (answerdesk.io)

In this example, since the surveyPDF.data accepts only object how we can map response of multiple survey questionnaire?

Thanks,
Santosh

Santosh,
You can map multiple survey responses as demonstrated in the following Plunker: https://plnkr.co/edit/aNIJW8J8yFKTPvDD?preview.
Please let me know if this code helps.

Hi Jane,

Code
function saveSurveyToPdf(filename, jsons, surveyModels) {
    let json = {
     "pages": []
    };
    for (let i = 0; i < jsons.length; i++) {
      json.pages.push(jsons[i].pages[0]);
    }
    let surveyPDF = new SurveyPDF.SurveyPDF(json);
    let data = {};
    for (let i = 0; i < surveyModels.length; i++) {
      data = Object.assign(data, surveyModels[i].data);
    }
    surveyPDF.data = data;
    surveyPDF.save(filename);
}

in this code, are not reassigning the value surveyPDF.data for each survey js instance?
I tried this approach, in my case it just showing the last mapped object.

Thanks,
Santosh

Also, given code example is not working. We are getting errors as below in the console.

Failed to load resource: the server responded with a status of 404 ()
index.js:1

Uncaught ReferenceError: Survey is not defined
at index.js:1:1
index.css:1

Failed to load resource: the server responded with a status of 404 ()

Hello Santosh,
Thank you for the update. Please accept my apologies for possible inconvenience. I created the following Angular sample to show the idea: https://codesandbox.io/s/surveyjs-angular-forked-bvwww2?file=/src/app/components/pdf.component.ts.

The saveSurveyToPdf function accepts a collection of survey JSON definitions and survey models. The code iterates though survey JSON objects and appends pages to a single JSON object. The SurveyPDF instance is created based on this model which contains pages of multiple surveys. The main idea is to programmatically merge pages of two JSON definitions.

Then, the code iterates through survey models and obtains survey question answers (surveyModels[i].data) and merges survey data to a single data object. Finally, a SurveyPDF instance receives merged data.

JavaScript
function saveSurveyToPdf(filename, jsons, surveyModels) {
    let json = {
     "pages": []
    };
    for (let i = 0; i < jsons.length; i++) {
      json.pages.push(jsons[i].pages[0]);
    }
    let surveyPDF = new SurveyPDF.SurveyPDF(json);
    let data = {};
    for (let i = 0; i < surveyModels.length; i++) {
      data = Object.assign(data, surveyModels[i].data);
    }
    surveyPDF.data = data;
    surveyPDF.save(filename);
}

In your scenario, you may probably need to update the code to follow your survey structure. Also, its important to note that before merging survey JSON definitions and their data, it is necessary to ensure that question names are unique. In the demo, there is the makeQuesionNamesUnique helper function which may help you with that.

I hope this example and explanation helps.

Should you have any questions or require further assistance, we are here to help.

Hi Jane,

Thank you for sharing the working example code. It is working fine now. But, in exported file it is not showing page names. How can we resolve it?

Thanks,
Santosh