How to properly style controller interaction in AngularJS?

Question

JavaScript

For example, there are two controllers. In one of them, a request is sent to the server to receive data. It is necessary that when a certain function is executed in the second controller, a request to the server would be executed in the first one. How to implement this? Or is this generally a bad idea and the architecture needs to be redone?

Answer 1

Or is this generally a bad idea and the architecture needs to be redone?

When everything happens in your controllers, what kind of architecture can we talk about?
In short, put everything into a service, and then there will be no need for controllers to interact with each other.

Answer 2

why requests to the server in controllers?
Submit a request to the service, after executing the function in controller number 2, call the service