mirror of https://github.com/snachodog/mybuddy.git
35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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from django.utils.translation import gettext as _
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import plotly.offline as plotly
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import plotly.graph_objs as go
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from reports import utils
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def bmi_change(objects):
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"""
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Create a graph showing bmi over time.
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:param objects: a QuerySet of BMI instances.
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:returns: a tuple of the graph's html and javascript.
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"""
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objects = objects.order_by("-date")
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trace = go.Scatter(
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name=_("BMI"),
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x=list(objects.values_list("date", flat=True)),
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y=list(objects.values_list("bmi", flat=True)),
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fill="tozeroy",
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)
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layout_args = utils.default_graph_layout_options()
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layout_args["barmode"] = "stack"
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layout_args["title"] = _("<b>BMI</b>")
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layout_args["xaxis"]["title"] = _("Date")
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layout_args["xaxis"]["rangeselector"] = utils.rangeselector_date()
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layout_args["yaxis"]["title"] = _("BMI")
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fig = go.Figure({"data": [trace], "layout": go.Layout(**layout_args)})
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output = plotly.plot(fig, output_type="div", include_plotlyjs=False)
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return utils.split_graph_output(output)
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