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Add Nightscout Blood Sugar plugin #2041

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Add Nightscout Blood Sugar plugin #2041

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3bdfeb4
Add Nightscout Blood Sugar plugin
pdaddyo May 20, 2024
3a1bd82
Update metadata, make graph range dynamic
pdaddyo May 20, 2024
cb4c118
Remove ticks visible in light mode
pdaddyo May 21, 2024
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59 changes: 59 additions & 0 deletions Lifestyle/nightscout-graph.50s.sh
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#!/usr/bin/env bash
# <xbar.title>Nightscout Graph and Trend/xbar.title>
# <xbar.version>v1.0</xbar.version>
# <xbar.author>Paul Barrass</xbar.author>
# <xbar.author.github>pdaddyo</xbar.author.github>
# <xbar.desc>Shows graph and latest data from your glucose sensor via Nightscout. Requires `brew install fx && brew install gnuplot`</xbar.desc>
# <xbar.image>https://github.com/pdaddyo/bitbar-nightscout/assets/7074964/f512b983-cca0-4adc-8583-355d2083ba8b</xbar.image>
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The image URL seems to be specific to the person viewing it. e.g., The above link leads to https://github-production-user-asset-6210df.s3.amazonaws.com/7074964/332194012-f512b983-cca0-4adc-8583-355d2083ba8b.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=<string>&X-Amz-Date=20240521T110821Z&X-Amz-Expires=300&X-Amz-Signature=<string>&X-Amz-SignedHeaders=host&actor_id=<string>&key_id=0&repo_id=<string>.

Please upload the image to a publicly available URL.

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Thanks for reviewing I will update this image URL, there's a bug in the graph when there's missing data that I need to fix too.

# <xbar.dependencies>curl, gnuplot, fx</xbar.dependencies>
# <xbar.var>string(NIGHTSCOUT_URL=""): Your Nightscout site URL e.g. https://my-nightscout.com </xbar.var>

export PATH='/usr/local/bin:/usr/bin:/opt/homebrew/bin:$PATH'

if [ -n "$NIGHTSCOUT_URL" ]; then
export NIGHTSCOUT_URL
else
echo "Missing NIGHTSCOUT_URL plugin option! | color=red"
exit 0
fi


TMP_PNG_FILE=/tmp/nightscout-plot.png
TMP_JSON_FILE=/tmp/nightscout-data.json


curl -s $NIGHTSCOUT_URL/api/v1/entries.json\?count\=24 > $TMP_JSON_FILE

MIN_SGV=$(fx $TMP_JSON_FILE 'x => Math.min(x.map(d=>d.sgv/18).reduce((a,b)=>Math.min(a,b)), 4)')
MAX_SGV=$(fx $TMP_JSON_FILE 'x => Math.max(x.map(d=>d.sgv/18).reduce((a,b)=>Math.max(a,b)), 10)')

fx $TMP_JSON_FILE 'x => x.reverse().map(d=>d.sgv/18).join(`\n`)' \
| gnuplot -e "
set terminal pngcairo size 64,36 transparent;
set output '$TMP_PNG_FILE';
unset title;
unset xlabel;
unset ylabel;
unset key;
unset xtics;
unset ytics;
set border 0;
set lmargin 0;
set rmargin 0.5;
set tmargin 0.5;
set bmargin 0.5;
set yrange [$MIN_SGV:$MAX_SGV];
set object 1 rect from graph 0, 0 to graph 1, first 4 fc rgb '#dc2626' fillstyle transparent solid 0.3;
set object 2 rect from graph 0, first 10 to graph 1, first 24 fc rgb '#ea580c' fillstyle transparent solid 0.3;
set object 2 front lw 0;
plot '-' smooth csplines with lines linewidth 2 linecolor rgb '#e2e8f0' notitle
"


curl -s $NIGHTSCOUT_URL/pebble | fx \
'x => ({sgv: x.bgs[0].sgv, delta: x.bgs[0].bgdelta, plusminus: x.bgs[0].bgdelta >= 0 ? `+` : ``, mins: Math.round((x.status[0].now - x.bgs[0].datetime) / 1000 / 60), direction: x.bgs[0].direction})' \
'x => ({...x, arrow: x.direction === `Flat` ? `→` : x.direction === `FortyFiveDown` ? `↘` : x.direction === `SingleDown` ? `↓` : x.direction === `DoubleDown` ? `↓↓` : x.direction === `FortyFiveUp` ? `↗` : x.direction === `SingleUp` ? `↑` : x.direction === `DoubleUp` ? `↑↑` : x.direction, delta: `${x.plusminus}${x.delta}`, color: x.sgv < 4 ? "red" : x.sgv > 12 ? "orange" : "#e2e8f0"})' \
'x => (x.mins > 15 ? `${x.mins}m (${x.sgv}) | color=red | size=11` : `${x.sgv} ${x.arrow} ${x.delta} ${x.mins}m | size=13 | color=${x.color} | image=`) + `\n` +`---\n` + `Open Nightscout | href=NIGHTSCOUT_URL`' \
| sed "s|image=|image=$(base64 -i $TMP_PNG_FILE)|" \
| sed "s|NIGHTSCOUT_URL|$NIGHTSCOUT_URL|"