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core/migrations/0030_weightpercentile_weightpercentile_unique_age_sex.py
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# Generated by Django 4.2.5 on 2023-09-20 10:56 | ||
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from django.db import migrations, models, transaction | ||
from django.utils import dateparse | ||
import csv | ||
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def add_to_ORM(WeightPercentile: models.Model, alias, filepath: str, sex: str): | ||
with open(filepath) as csvfile: | ||
weight_reader = csv.DictReader(csvfile) | ||
data_list = [] | ||
for row in weight_reader: | ||
data_list.append( | ||
WeightPercentile( | ||
age_in_days=dateparse.parse_duration(f'P{row["Age"]}D'), | ||
sex=sex, | ||
p3_weight=row["P3"], | ||
p15_weight=row["P15"], | ||
p50_weight=row["P50"], | ||
p85_weight=row["P85"], | ||
p97_weight=row["P97"], | ||
) | ||
) | ||
WeightPercentile.objects.using(alias).bulk_create(data_list, batch_size=50) | ||
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def insert_weight_percentiles(apps, schema_editor): | ||
WeightPercentile: models.Model = apps.get_model("core", "WeightPercentile") | ||
db_alias = schema_editor.connection.alias | ||
with transaction.atomic(): | ||
add_to_ORM( | ||
WeightPercentile, | ||
db_alias, | ||
"core/migrations/weight_percentile_boys.csv", | ||
"boy", | ||
) | ||
with transaction.atomic(): | ||
add_to_ORM( | ||
WeightPercentile, | ||
db_alias, | ||
"core/migrations/weight_percentile_girls.csv", | ||
"girl", | ||
) | ||
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def remove_weight_percentiles(apps, schema_editor): | ||
WeightPercentile: models.Model = apps.get_model("core", "WeightPercentile") | ||
db_alias = schema_editor.connection.alias | ||
with transaction.atomic(): | ||
WeightPercentile.objects.using(db_alias).all().delete() | ||
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class Migration(migrations.Migration): | ||
dependencies = [ | ||
("core", "0029_alter_pumping_options_remove_pumping_time_and_more"), | ||
] | ||
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operations = [ | ||
migrations.CreateModel( | ||
name="WeightPercentile", | ||
fields=[ | ||
( | ||
"id", | ||
models.AutoField( | ||
auto_created=True, | ||
primary_key=True, | ||
serialize=False, | ||
verbose_name="ID", | ||
), | ||
), | ||
("age_in_days", models.DurationField()), | ||
("p3_weight", models.FloatField()), | ||
("p15_weight", models.FloatField()), | ||
("p50_weight", models.FloatField()), | ||
("p85_weight", models.FloatField()), | ||
("p97_weight", models.FloatField()), | ||
( | ||
"sex", | ||
models.CharField( | ||
choices=[("girl", "Girl"), ("boy", "Boy")], max_length=255 | ||
), | ||
), | ||
], | ||
), | ||
migrations.AddConstraint( | ||
model_name="weightpercentile", | ||
constraint=models.UniqueConstraint( | ||
fields=("age_in_days", "sex"), name="unique_age_sex" | ||
), | ||
), | ||
migrations.RunPython(insert_weight_percentiles, remove_weight_percentiles), | ||
] |
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Original file line number | Diff line number | Diff line change |
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@@ -1,34 +1,98 @@ | ||
# -*- coding: utf-8 -*- | ||
from datetime import datetime | ||
from django.utils.translation import gettext as _ | ||
from django.db.models.manager import BaseManager | ||
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import plotly.offline as plotly | ||
import plotly.graph_objs as go | ||
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from reports import utils | ||
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def weight_change(objects): | ||
def weight_change( | ||
actual_weights: BaseManager, percentile_weights: BaseManager, birthday: datetime | ||
): | ||
""" | ||
Create a graph showing weight over time. | ||
:param objects: a QuerySet of Weight instances. | ||
:param actual_weights: a QuerySet of Weight instances. | ||
:param percentile_weights: a QuerySet of Weight Percentile instances. | ||
:param birthday: a datetime of the child's birthday | ||
:returns: a tuple of the the graph's html and javascript. | ||
""" | ||
objects = objects.order_by("-date") | ||
actual_weights = actual_weights.order_by("-date") | ||
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trace = go.Scatter( | ||
weighing_dates: list[datetime] = list(actual_weights.values_list("date", flat=True)) | ||
measured_weights = list(actual_weights.values_list("weight", flat=True)) | ||
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actual_weights_trace = go.Scatter( | ||
name=_("Weight"), | ||
x=list(objects.values_list("date", flat=True)), | ||
y=list(objects.values_list("weight", flat=True)), | ||
x=weighing_dates, | ||
y=measured_weights, | ||
fill="tozeroy", | ||
mode="lines+markers", | ||
) | ||
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if percentile_weights: | ||
dates = list( | ||
map( | ||
lambda timedelta: birthday + timedelta, | ||
percentile_weights.values_list("age_in_days", flat=True), | ||
) | ||
) | ||
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percentile_weight_3_trace = go.Scatter( | ||
name=_("P3"), | ||
x=dates, | ||
y=list(percentile_weights.values_list("p3_weight", flat=True)), | ||
line={"color": "red"}, | ||
) | ||
percentile_weight_15_trace = go.Scatter( | ||
name=_("P15"), | ||
x=dates, | ||
y=list(percentile_weights.values_list("p15_weight", flat=True)), | ||
line={"color": "orange"}, | ||
) | ||
percentile_weight_50_trace = go.Scatter( | ||
name=_("P50"), | ||
x=dates, | ||
y=list(percentile_weights.values_list("p50_weight", flat=True)), | ||
line={"color": "green"}, | ||
) | ||
percentile_weight_85_trace = go.Scatter( | ||
name=_("P85"), | ||
x=dates, | ||
y=list(percentile_weights.values_list("p85_weight", flat=True)), | ||
line={"color": "orange"}, | ||
) | ||
percentile_weight_97_trace = go.Scatter( | ||
name=_("P97"), | ||
x=dates, | ||
y=list(percentile_weights.values_list("p97_weight", flat=True)), | ||
line={"color": "red"}, | ||
) | ||
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data = [ | ||
actual_weights_trace, | ||
] | ||
layout_args = utils.default_graph_layout_options() | ||
layout_args["barmode"] = "stack" | ||
layout_args["title"] = _("<b>Weight</b>") | ||
layout_args["xaxis"]["title"] = _("Date") | ||
layout_args["xaxis"]["rangeselector"] = utils.rangeselector_date() | ||
layout_args["yaxis"]["title"] = _("Weight") | ||
if percentile_weights: | ||
layout_args["xaxis"]["range"] = [birthday, datetime.now()] | ||
layout_args["yaxis"]["range"] = [0, max(measured_weights) * 1.5] | ||
data.extend( | ||
[ | ||
percentile_weight_97_trace, | ||
percentile_weight_85_trace, | ||
percentile_weight_50_trace, | ||
percentile_weight_15_trace, | ||
percentile_weight_3_trace, | ||
] | ||
) | ||
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fig = go.Figure({"data": [trace], "layout": go.Layout(**layout_args)}) | ||
fig = go.Figure({"data": data, "layout": go.Layout(**layout_args)}) | ||
output = plotly.plot(fig, output_type="div", include_plotlyjs=False) | ||
return utils.split_graph_output(output) |
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