Maintain the previous state in AngularJS using ui-router

My goal is to preserve the current state of the view, not just the URL and parameters. I am looking to save the entire view along with its scopes. Specifically, I am working on creating a search system similar to Facebook's, but with a unique twist. Instead of displaying results in a separate section or modal, I want them to take over the entire page by replacing the main state. When the search bar is cleared, I aim to seamlessly restore the previous state without having to rebuild it instantly through server requests or complex operations like infinite scroll data retrieval. While exploring options like ui-router extras (sticky state) plugin, the challenge remains in determining which states need preservation based on their definitions.

javascriptangularjsangular-ui-router

Answer №1

Storing the date in local storage using angular local storage can be a great way to avoid making unnecessary server requests for data.

Answer №2

When it comes to this issue, it boils down to an architectural decision. The answer isn't a quick fix and can vary greatly depending on individual perspectives and approaches.

My recommendation would be to utilize local storage for all data operations. This involves setting up a system where server requests are routed through a service that checks local storage in case the network connection is lost.

To achieve this, AJAX calls should be initiated from the controller as shown below:

var getMeRequest = AuthService.getMe();
getMeRequest.promise.then(function(response){ 
  if(response.cached) {
    // Update views accordingly
  } else {
    // Perform necessary actions
  }
});

In the AuthService file, the implementation should look like this:

// In AuthService

this.getMe() =  function () {
  if(network.online) {
    // Make AJAX call
    // Update local storage with the response
    return {response: locastorageData, cached:false};
  } else {
    return {response: localstorageData, cached:true};
  }
  
};

This approach not only enables you to handle ajax calls seamlessly even offline, but also facilitates updating the view based on whether the response is retrieved from cache or not.

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