tags = [ "fitness" ]

<li>

<a href="/posts/fitness-track/">Fitness Track</a>

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<a href="/tags/fitness">fitness (1)</a>

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<section class="list-item">

<h1 class="title"><a href="/posts/fitness-track/">Fitness Track</a></h1>

<div class="tips">

<div class="date">

<time datetime="2023-09-29 20:48:38 &#43;0530 IST">2023/09/29</time>

</div>

<div class="tags">

<span>Tags:</span>

<a href="/tags/fitness">fitness</a>

</div>

</div>

<div class="summary">

Fitness Tracking 🔗The post will describe how I track my fitness journey so far.

Slight background: I am on the journey to be the person who goes to gym daily, my goal is to reduce weight, and get lean. I go to cult for gym.

What all I track so far? 🔗 Weight (morning and night) Number of weeks I had been regular in gym/number of classes attended. Occasional BMI and other metrics from InBody machine installed in the gym I go to.

</div>

</section>

<li>

<a href="/posts/fitness-track/">Fitness Track</a>

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<a href="/tags/fitness">fitness (1)</a>

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<lastBuildDate>Fri, 29 Sep 2023 20:48:38 +0530</lastBuildDate><atom:link href="https://singhcoder.github.io/index.xml" rel="self" type="application/rss+xml" />

<item>

<title>Fitness Track</title>

<link>https://singhcoder.github.io/posts/fitness-track/</link>

<pubDate>Fri, 29 Sep 2023 20:48:38 +0530</pubDate>

<guid>https://singhcoder.github.io/posts/fitness-track/</guid>

<description>&lt;h1 id=&#34;fitness-tracking&#34;&gt;Fitness Tracking &lt;a href=&#34;#fitness-tracking&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h1&gt;&lt;p&gt;The post will describe how I track my fitness journey so far.&lt;/p&gt;

&lt;p&gt;Slight background: I am on the journey to be the person who goes to gym daily, my goal is to reduce weight, and get lean. I go to &lt;a href=&#34;https://www.cult.fit/&#34;&gt;cult&lt;/a&gt; for gym.&lt;/p&gt;

&lt;h2 id=&#34;what-all-i-track-so-far&#34;&gt;What all I track so far? &lt;a href=&#34;#what-all-i-track-so-far&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h2&gt;&lt;ul&gt;

&lt;li&gt;Weight (morning and night)&lt;/li&gt;

&lt;li&gt;Number of weeks I had been regular in gym/number of classes attended.&lt;/li&gt;

&lt;li&gt;Occasional BMI and other metrics from &lt;a href=&#34;https://www.inbody.in/&#34;&gt;InBody machine&lt;/a&gt; installed in the gym I go to.&lt;/li&gt;

&lt;/ul&gt;

&lt;p&gt;The actual exercises I do, and the number of reps/PRs etc are tracked in the Cult app itself, and for now I had not went into finding the API for that to extract that data into sheet.. Maybe sometime in near future :)&lt;/p&gt;

&lt;h2 id=&#34;how-i-track-all-this&#34;&gt;How I track all this? &lt;a href=&#34;#how-i-track-all-this&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h2&gt;&lt;h3 id=&#34;weight&#34;&gt;Weight &lt;a href=&#34;#weight&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;I have a simple google sheet which looks like this:&lt;/p&gt;

&lt;p&gt;&lt;img src=&#34;image.png&#34; alt=&#34;weight&#34;&gt;&lt;/p&gt;

&lt;p&gt;Column D and E are calculated as &lt;code&gt;Di = Ci - Bi&lt;/code&gt;, &lt;code&gt;Ei = Bi+1 - Ci&lt;/code&gt; tracking how much weight changed in that day, and the next day.&lt;/p&gt;

&lt;p&gt;Until sometime back, this was the interface I used for updating weight everyday: open sheet, add date if not there, add the weight entries. I have a better way which uses this sheet itself as database/backend, gonna come to it at the end.&lt;/p&gt;

&lt;h3 id=&#34;number-of-weeks-i-had-been-regular-in-gymnumber-of-classes-attended&#34;&gt;Number of weeks I had been regular in gym/number of classes attended. &lt;a href=&#34;#number-of-weeks-i-had-been-regular-in-gymnumber-of-classes-attended&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;This data is something I occasionally run a script (I should probably automate this) which calls CULT&amp;rsquo;s API to get the data, and I put that manually into a google sheet then.

Figuring out exact API was done by downloading raw cult apk, pass it through &lt;a href=&#34;https://github.com/shroudedcode/apk-mitm&#34;&gt;apk-mitm&lt;/a&gt; and then use &lt;a href=&#34;https://httptoolkit.com/&#34;&gt;http-toolkit&lt;/a&gt; to intercept the traffic while I visit corresponding page in the app to see the API that the app calls..&lt;/p&gt;

&lt;p&gt;The script looks something like in &lt;a href=&#34;./cult_data_extract.py&#34;&gt;this&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The sheet then looks like &lt;img src=&#34;image-1.png&#34; alt=&#34;Cult-Fit-Journey&#34;&gt; with self-explanatory column names.&lt;/p&gt;

&lt;p&gt;Again, this sheet also acts as a backend now, with frontend I will describe at the end on how do I visualize all this.&lt;/p&gt;

&lt;h3 id=&#34;occasional-bmi-and-other-metrics-from-inbody-machine-installed-in-the-gym-i-go-to&#34;&gt;Occasional BMI and other metrics from InBody machine installed in the gym I go to. &lt;a href=&#34;#occasional-bmi-and-other-metrics-from-inbody-machine-installed-in-the-gym-i-go-to&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;This is also backed by google sheet, and I have no automated way to get this data, I just manually enter it into the sheet.&lt;/p&gt;

&lt;p&gt;From the GYM, I get the data printed on a page, from which I manually enter to the frontend I am gonna describe next.&lt;/p&gt;

&lt;p&gt;The sheet by the way looks like:&lt;/p&gt;

&lt;p&gt;&lt;img src=&#34;image-2.png&#34; alt=&#34;InBody&#34;&gt;&lt;/p&gt;

&lt;h2 id=&#34;frontend-for-all-this&#34;&gt;Frontend for all this &lt;a href=&#34;#frontend-for-all-this&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h2&gt;&lt;p&gt;Entering all this data manually into the google sheet is a hard task, which lead me sometimes missing recording the data. So, I tried to follow the advice that &lt;code&gt;Atomic Habits&lt;/code&gt; book&amp;rsquo;s second rule of habit formation preaches: &lt;code&gt;Make it easy&lt;/code&gt;.&lt;/p&gt;

&lt;p&gt;So, the simplest way I thought was having an app in which I can quickly crunch in numbers (Ik google sheet also is the same thing, but the interface is hard to enter on the phone), so I used &lt;a href=&#34;https://www.appsheet.com/&#34;&gt;appsheet&lt;/a&gt; to quickly create a UI on top of the google sheets.&lt;/p&gt;

&lt;p&gt;My app looks something like this:&lt;/p&gt;

&lt;h3 id=&#34;landing-screen&#34;&gt;Landing screen &lt;a href=&#34;#landing-screen&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;&lt;img src=&#34;image-3.png&#34; alt=&#34;landing screen&#34;&gt;&lt;/p&gt;

&lt;p&gt;This shows the weight entries, and a &lt;code&gt;+&lt;/code&gt; button to add in new entries, and clicking on anyone brings interface like this: &lt;img src=&#34;image-4.png&#34; alt=&#34;edit-mode&#34;&gt;, where I can edit during night to record night weight.&lt;/p&gt;

&lt;h3 id=&#34;inbody-results&#34;&gt;InBody Results &lt;a href=&#34;#inbody-results&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;Exactly similar to Landing screen, but another tab at the bottom for this.&lt;/p&gt;

&lt;h3 id=&#34;charts---weight-and-classes&#34;&gt;Charts - Weight and Classes &lt;a href=&#34;#charts---weight-and-classes&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;The third tab has charts for how weight is progressing and for cult gym classes.&lt;/p&gt;

&lt;p&gt;&lt;img src=&#34;image-5.png&#34; alt=&#34;weight chart&#34;&gt;&lt;/p&gt;

&lt;p&gt;&lt;img src=&#34;image-6.png&#34; alt=&#34;gym-classes&#34;&gt;&lt;/p&gt;

&lt;h3 id=&#34;inbody-charts&#34;&gt;InBody charts &lt;a href=&#34;#inbody-charts&#34; class=&#34;anchor&#34;&gt;🔗&lt;/a&gt;&lt;/h3&gt;&lt;p&gt;The last one has inbody charts for metrics: Body Fat Percentage, Total Fat (kg), Muscle Mass (kg), Visceral Fat Level, Waist Hip Ratio.&lt;/p&gt;

</description>

</item>

import csv

import json

from datetime import datetime, timedelta

import requests

headers = {

"accept": "application/json",

"cookie": "", # get from the cult website, any curl call, get the value of header `Cookie`...

"clientversion": "10.08",

"connection": "Keep-Alive",

"content-type": "application/json; charset=utf-8"

}

start_date_str = "2022-04-25"

end_date_str = "2023-08-04"

current_date = datetime.strptime(start_date_str, "%Y-%m-%d")

csv_filename = f"fitness_report.csv"

with open(csv_filename, "w", newline="") as csvfile:

csv_writer = csv.writer(csvfile, delimiter="\t")

csv_writer.writerow(["StartDate", "EndDate", "ClassesAttended", "CaloriesBurnt", "ExercisesDone", "FocusedOn", "NotFocusedOn", "Summary"])

while current_date <= datetime.strptime(end_date_str, "%Y-%m-%d"):

current_date_str = current_date.strftime("%Y-%m-%d")

this_week_end_date = current_date + timedelta(days=6)

this_week_end_date_str = this_week_end_date.strftime("%Y-%m-%d")

url = f"https://www.cult.fit/api/cult/fitnessReport?reportType=WEEKLY&startDate={current_date_str}"

response = requests.get(url, headers=headers)

data = response.json()

try:

widgets = data["widgets"]

classMissedWidgets = [w for w in widgets if w["widgetType"] == "CLASS_MISSED_WIDGET"]

classMissedWidget = classMissedWidgets[0] if len(classMissedWidgets) > 0 else None

if classMissedWidget:

csv_writer.writerow([current_date_str, this_week_end_date_str, 0, 0, "", "", "", classMissedWidget["title"]["value"]])

print(f"Processed week {current_date_str} to {this_week_end_date_str}")

current_date += timedelta(days=7)

continue

fitnessReportSummary = [w for w in widgets if w["widgetType"] == "FITNESS_REPORT_SUMMARY_CARD_WIDGET"][0]

metricWidget = [w for w in widgets if w["widgetType"] == "REPORT_METRIC_DETAIL_WIDGET"][0]

tagViewWidgets = [w for w in widgets if w["widgetType"] == "TAG_VIEW_WIDGET"]

exercisesDoneWidgets = [w for w in tagViewWidgets if "header" not in w]

exercisesDoneWidget = exercisesDoneWidgets[0] if len(exercisesDoneWidgets) > 0 else None

youFocusedOnWidgets = [w for w in tagViewWidgets if "header" in w and w["header"] == "YOU FOCUSSED ON"]

youFocusedOnWidget = youFocusedOnWidgets[0] if len(youFocusedOnWidgets) > 0 else None

start_date = fitnessReportSummary["startDate"]

end_date = fitnessReportSummary["endDate"]

classes_attended = metricWidget["metricSection"]["metricDisplayValue"]

calories_burnt = fitnessReportSummary["caloriesBurnt"]

exercises_done = ""

if exercisesDoneWidget:

exercises_done = "\n".join(tag["title"] + "(" + tag["value"] + ")" for tag in exercisesDoneWidget["tags"] if not tag["disabled"])

focused_on = ""

not_focused_on = ""

summary = ""

if youFocusedOnWidget:

focused_on = "\n".join([tag["title"] for tag in youFocusedOnWidget["tags"] if not tag["disabled"]])

not_focused_on = "\n".join([tag["title"] for tag in youFocusedOnWidget["tags"] if tag["disabled"]])

summary = youFocusedOnWidget["footer"]["dataText"]

csv_writer.writerow([start_date, end_date, classes_attended, calories_burnt, exercises_done, focused_on, not_focused_on, summary])

print(f"Processed week {start_date} to {end_date}")

# Move to the next week

current_date += timedelta(days=7)

except Exception as e:

print(f"Error processing week {current_date_str} to {this_week_end_date_str}")

print(f"data json = {json.dumps(data, indent=4)}")

raise e

print(f"CSV file '{csv_filename}' created successfully.")