README.md

MMM-JsonGraph

A module for the MagicMirror project which creates a SVG bar chart based on a list gathered from a json request.

Example 1

End result:

Raw json response:

{
    "fitbitWeekOverviewItems": [
        {
            "steps": 10256,
            "displayText": "Today\t10256 steps"
        },
        {
            "steps": 13214,
            "displayText": "Friday\t13214 steps"
        },
        {
            "steps": 10554,
            "displayText": "Thursday\t10554 steps"
        },
        {
            "steps": 12942,
            "displayText": "Wednesday\t12942 steps"
        },
        {
            "steps": 9478,
            "displayText": "Tuesday\t9478 steps"
        },
        {
            "steps": 10690,
            "displayText": "Monday\t10690 steps"
        },
        {
            "steps": 12792,
            "displayText": "Sunday\t12792 steps"
        }
    ]
}

Configuration:

{
	module: 'MMM-JsonGraph',
	position: 'top_right',
	header: 'Fitbit steps last 7 days',
	config: {
		url: 'https://xyz/abc/get.json',
		arrayName: 'fitbitWeekOverviewItems',
		xAxisName: 'steps',
		textValue: 'displayText',
		updateInterval: 60000
	}
},

Installation

git clone https://github.com/timdows/MMM-JsonGraph.git

Config Options

Option	Default	Description
url	""	The full url to get the json response from
arrayName	null	Define the name of the variable that holds the array to display
xAxisName	""	Should be of the type number in order to determine the width of the bar
textValue	""	The name of the variable in the array that holds text to display over the bar
updateInterval	15000	Milliseconds between the refersh