How do I go about building this application?

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So I have this application laid out but I am unsure on some aspects of how to go about it.

It's a website for dogs with cancer to supply a raw ketogenic diet for the user. There are other aspects of the website that I have figured out like where to hold state and such.

Where I'm a little confused on how to proceed is on the calculations for the ketogenic page shopping cart. The user can choose 1 fat source from the sources provided, one protein source and one green vegetable source. I want to make this as balanced and complete for the user for their dog- so obviously 1-protein 1 veg and 1 fat source is not balanced and complete. I need to factor in the amount of calories need per weight which I will have an input where the user can enter their dogs weight. I have done some of the math to make it complete and balanced on paper, factoring in amino acids, vitamins and minerals and the omega 6:3 ratio.

What I'm confused about is where am I going to hold all this data per se? It's a lot of data and it's based on many factors such as weight-activity, keto ratio like 1:1 or 2:1 depending what the user selects.

I obviously need a backend and need to build an API, but how would I return to the user the complete and balanced diet when so many other factors play in? Where would I store this other data? In objects? Variables? And then put it on the backend? I would greatly appreciate any help. Thanks in advance.

redux reactjs node.js
1 Answers

how are you? First of all, congrats on the great idea, I think it is great. For starters, I think it's important for you, to lay down what technologies you'll be using.

1- Choose the technologies you are going to use. Will you use the MERN stack? React for front-end, mongo for the database, node.js for back-end with express.js as a framework?

2- Will you be the one providing all the data for the dog's diets? If not, find some website with an API for that data.

3- I am not any kind of expert on JS nor React.js, I'm just following the logic here. But does that data change? or is it always the same? I would advise you to use objects, so you can "play" with them, pass them around the classes (I would advise you to create a react class, where you store all of those objects, make sure you export that class)

4- Just lay everything out and START BUILDING!!! It sounds hella overwhelming to start such a big project, but once you get going some i's will be dotted, you will get a better understanding of what you actually are going to build.

5- Few tips, if you use an API you won't need to store the data, else store it on your database (JSON file, for example, there are great youtube tutorials on how to do so.) Keeping this in mind, you asked where you'll be storing all that data, if you have an api, you won't store anything, if you don't, JSON is your best shot, it's really easy and intuitive to use and easy to read inside a react component.

I hope this gave you some extra clarification on what you'll need to do, in order to start.

PS: This answer is purely based on my limited React (and web dev) experience, I am no expert, let me know if there's anything else I can help you with.

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