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Editorial Team
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Asked: 2026-06-11T17:17:59+00:00

The Problem I have a class which calculates the path a user took using

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The Problem

I have a class which calculates the path a user took using CoreLocation and and array of arrays containing the coordinates of each point (taken when the users location changes). This class method is being called by my View Controller, but I want to set it’s delegate to another class which will store the result in Core Data or upload it to a database. I can return the array to the View Controller by using:

PathFinder.delegate = self

Then make my View Controller implement my delegate protocol, but this isn’t what I want.

What I’ve Considered

I’ve thought about making the class which uploads the data to the database/stores it in Core Data a singleton class so that I can easily access it from my View Controller. E.g.

PathFinder.delegate = <MY SINGLETON CLASS>

Conclusion

What would be the best way to do this? Would it be bad practice to put the code to upload the array to my server in the PathFinder class? Any help would be appreciated.

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1 Answer

  1. Editorial Team

    I have something like this – a singleton class that manages a Core Data repository for images (some in the repository, some on the file system but a URL in the entity).

    Why not have a singleton class that all objects that need the services import? That way, you tell some object to do something, when that works is done they tell the repository to save it. You can use a delegate protocol to know if it succeeded or not, but just decouple the saving of it from driving the process and knowing the outcome.

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