How can I retrieve all `Session` values without knowing the `key`?

help
1

I want to add a new function to my app to retrieve all Session key/values at a specific point in time (basically when a specific error happens) and then send this either to the Backend server or to a log file.

I know that this was something that MeteorToys originally could do as it listed them.

How can this be achieved without know the key of each Session?

I know it’s a reactive dictionary underneath from the 'meteor/session' package.

Thanks in advance!

2

Try Session.all().
// I don’t know if it works :slight_smile:

3

It does work in the Developer Tools but now I need to figure out how I can do it in the code/Electron app itself and then store the result in array of objects.

Any idea, Minh?

4

I have no experience working with Electron app. I can’t tell, but if Session works then it should work.

5

Edit: works with Session.keys and returns the object of keys-values.

Try Session.keyValueDeps . The result should be the object with all your session keys.

For each key, get the values with Session.get()

6

Session.keyValueDeps gives me this result:

Screenshot 2023-03-01 at 01.21.32

I don’t know which key is in the Session object, nor do I know how many there are.

Could you show me a small code example how I can iterate over it and read out all key/values?

7

Session.keys will give you and object with all keys/values.

8 
const obj = Session.keys;
            console.log(`Session: ${JSON.stringify(obj)}`);

gives me an empty object.

9

Try

Object.keys(Session.keys).forEach((key) => {console.log(key)})
10

Thanks for the code, however it’s still not showing any content. The object remains empty

11

That is ok. It means you have no key :). Just initiate a key and it should probably work. You can run it in a browser console. I believe you work on Electron, just try it in a browser to make sure Electron is not bugging you on this one.

Screen Shot 2023-03-01 at 12.48.36 PM

12

Hi,

I do have lots of keys (over 50), hence my question. The old version of Meteortoys even allowed them to be overlayed in Dev environment.

Yes, I work in Electron but it has the Chrome Developer Tool from which is the screenshot.

So I’m puzzled why the code isn’t showing anything, no matter where I put it when there are indeed many keys that I actively use to show/hide UI elements, indicate if features are unlocked etc.

13

You might have keys in the code, but unless a client is actually initialing them they will not show.

14

The app does initiate the keys (assuming you mean .get and .set).

15

My solution will need a lot of refactoring but might solve your problem. I’m creating enums for nearly everything including pub/subs, collection names, event names, session keys etc… Just walking in this enum object will give what you want with typo safety and ide suggestions.

export const SESSION_KEY = {
  ORDER_ID: 'orderId',
  PRODUCT_ID: 'productId',
  PRODUCT_VARIATION: 'variation',
  PRODUCT_ADDITION: 'addition',
  PRODUCT_ADDITION_GROUP: 'additionGroupId',
  CUSTOMER_ID: 'customerId',
  TABLE_ID: 'tableId'
};

Besides that, using session means using globals and you should avoid it as much as possible. Instead you can use reactive vars which will be destroyed on template desctruction.

16

Thanks for coming up with an alternative solution, interesting approach.

Please note that I need those “flags” on a global level and not just on a template.

17

global level vars can be declared without var or const

SESSION_KEY = {
  ORDER_ID: 'orderId',
  PRODUCT_ID: 'productId',
  PRODUCT_VARIATION: 'variation',
  PRODUCT_ADDITION: 'addition',
  PRODUCT_ADDITION_GROUP: 'additionGroupId',
  CUSTOMER_ID: 'customerId',
  TABLE_ID: 'tableId'
}```
18

Session.all() gives you an object you can iterate trough properties;

for (var prop in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, prop)) {
        // do stuff
    }
}