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from django.shortcuts import render
from django.http import HttpResponse

# Include the `fusioncharts.py` file which has required functions to embed the charts in html page
from ..fusioncharts import FusionCharts

# Loading Data from a Static JSON String
# It is a example to show a Pie 3D chart where data is passed as JSON string format.
# The `chart` method is defined to load chart data from an JSON string.

def chart(request):
    # Create an object for the pie3d chart using the FusionCharts class constructor
  pie3d = FusionCharts("pie3d", "ex2" , "100%", "400", "chart-1", "json", 
        # The data is passed as a string in the `dataSource` as parameter.
    """{ 
        "chart": {
            "caption": "Recommended Portfolio Split",
            "subCaption" : "For a net-worth of $1M",
            "showValues":"1",
            "showPercentInTooltip" : "0",
            "numberPrefix" : "$",
            "enableMultiSlicing":"1",
            "theme": "fusion"
        },
        "data": [{
            "label": "Equity",
            "value": "300000"
        }, {
            "label": "Debt",
            "value": "230000"
        }, {
            "label": "Bullion",
            "value": "180000"
        }, {
            "label": "Real-estate",
            "value": "270000"
        }, {
            "label": "Insurance",
            "value": "20000"
        }]
    }""")
  
    # returning complete JavaScript and HTML code, which is used to generate chart in the browsers. 
  return  render(request, 'index.html', {'output' : pie3d.render(), 'chartTitle': 'Pie 3D Chart'})