mirror of https://github.com/snachodog/mybuddy.git
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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from django.utils import timezone
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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 diaperchange_amounts(instances):
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"""
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Create a graph showing daily diaper change amounts over time.
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:param instances: a QuerySet of DiaperChange instances.
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:returns: a tuple of the the graph's html and javascript.
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"""
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totals = {}
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for instance in instances:
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time_local = timezone.localtime(instance.time)
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date = time_local.date()
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if date not in totals.keys():
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totals[date] = 0
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totals[date] += instance.amount or 0
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amounts = [round(amount, 2) for amount in totals.values()]
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trace = go.Bar(
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name=_("Diaper change amount"),
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x=list(totals.keys()),
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y=amounts,
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hoverinfo="text",
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textposition="outside",
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text=amounts,
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)
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layout_args = utils.default_graph_layout_options()
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layout_args["title"] = _("<b>Diaper Change Amounts</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"] = _("Change amount")
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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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