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
from ..fusioncharts import FusionTable
from ..fusioncharts import TimeSeries
import requests
# Loading Data and schema from a Static JSON String url
# The `chart` method is defined to load chart data from an JSON string.
def chart(request):
data = requests.get('https://s3.eu-central-1.amazonaws.com/fusion.store/ft/data/plotting-two-variable-measures-data.json').text
schema = requests.get('https://s3.eu-central-1.amazonaws.com/fusion.store/ft/schema/plotting-two-variable-measures-schema.json').text
fusionTable = FusionTable(schema, data)
timeSeries = TimeSeries(fusionTable)
timeSeries.AddAttribute("caption", """{
text: 'Cariaco Basin Sampling'
}""")
timeSeries.AddAttribute("subcaption", """{
text: 'Analysis of O₂ Concentration and Surface Temperature'
}""")
timeSeries.AddAttribute("yAxis", """[{
plot: [{
value: 'O2 concentration',
connectNullData: true
}],
min: '3',
max: '6',
title: 'O₂ Concentration (mg/L)'
}, {
plot: [{
value: 'Surface Temperature',
connectNullData: true
}],
min: '18',
max: '30',
title: 'Surface Temperature (°C)'
}]""");
# Create an object for the chart using the FusionCharts class constructor
fcChart = FusionCharts("timeseries", "ex1", 700, 450, "chart-1", "json", timeSeries)
# returning complete JavaScript and HTML code, which is used to generate chart in the browsers.
return render(request, 'index.html', {'output' : fcChart.render(),'chartTitle': "Plotting two variables (measures)"})