Form: Export As PDF

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This feature enables users to export the submitted form as a PDF file.

Exporting a Submitted Form as PDF

To download a submitted form as a PDF:

1. Navigate to Submit > Forms > Submissions tab.
2. Click on View Submitted Form
3. In the top right corner, click the Export PDF button.

The form submission will be downloaded as a PDF file in your browser.

Technical Notes

API Details

API URL: <form-flow-webapi-server>/form/<form-id>/submission/<submission-id>/export/pdf

Optional params:

• timezone: A parameter to render form based on client timezone or any custom timezone.
  • Eg: form-flow-web-api-server/form/<form-id>/<id>/export/pdf?timezone=Asia/Calcutta

API Method: GET

API Response: Will be a blob response that can be used by the client to save it as a PDF.

This feature requires the following prerequisites for running in local without Docker.

1. A Chrome installation and its driver are required to render this form and print it as a PDF in headless mode on the server side.

Chrome driver path can be provided via env variable like below:

In Windows,

CHROME_DRIVER_PATH=C:\driver\chromedriver.exe

In Linux,

CHROME_DRIVER_PATH=/usr/local/bin/chromedriver

If not given, the default value will be /usr/local/bin/chromedriver.

Installation of Chrome and chrome driver

Forms flow docker images already contain code to install the latest Chrome and its ChromeDriver as shown below:

• Dockerfile

  # Install Chrome WebDriver
  RUN CHROMEDRIVER_VERSION=`curl -sS chromedriver.storage.googleapis.com/LATEST_RELEASE` && \
  mkdir -p /opt/chromedriver-$CHROMEDRIVER_VERSION && \
  curl -sS -o /tmp/chromedriver_linux64.zip http://chromedriver.storage.googleapis.com/$CHROMEDRIVER_VERSION/chromedriver_linux64.zip && \
  unzip -qq /tmp/chromedriver_linux64.zip -d /opt/chromedriver-$CHROMEDRIVER_VERSION && \
  rm /tmp/chromedriver_linux64.zip && \
  chmod +x /opt/chromedriver-$CHROMEDRIVER_VERSION/chromedriver && \
  ln -fs /opt/chromedriver-$CHROMEDRIVER_VERSION/chromedriver /usr/local/bin/chromedriver
  
  # Install Google Chrome
  RUN curl -sS -o - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
  echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list && \
  apt-get -yqq update && \
  apt-get -yqq install google-chrome-stable && \
  rm -rf /var/lib/apt/lists/*
  
  # set display port to avoid crash
  ENV DISPLAY=:99

• The export feature can be enabled for formsflow.ai web by enabling below env.

  # To enable export feature in UI
  REACT_APP_EXPORT_PDF_ENABLED=true
  
  # Url of python document service url
  REACT_APP_DOCUMENT_SERVICE_URL=<yourIP:port>