inenvmon_server/webapp

webapp

Flask web app for data visalization. Client side is built with Chart.js and justgage js libraries and jQuery.

The app exposes a simple api for querying the database and source sensor status available at /api/function. The functions are:

• /api/getdata
  • Method: GET, POST
  • Number of samples can be specified with argument samples=desired number, defaults to 120 i.e 2 hours.
  • Returns json with the datasets and information about sensor status
• /api/heartbeat
  • Method: GET
    • Returns json with status info and last received message timestamp
  • Method: POST
    • Reserved for internal use in reporting sensor status. Requires a secret to be set.

The client side comprises of several parts:

• templates/index.html provides the basic html skeleton
• static/styles/style.css takes care of some basic styling and responsive layout
• static/js/main.js script taking care of creating the plots and gauges, requesting data from server and periodically updating the view