CalendarView getDelta

[kkazala]

What version of PnPjs library you are using

3.x

Minor Version Number

17

Target environment

All

Additional environment details

The question is not environment specific

Question/Request

I want to retrieve changes to the calendar events as described in Get delta The CalendarView doesn't return @odata.deltaLink I tried using graphGet:

const events = this.graph.users.getById(sharedMailbox); 
const eventsQuery = GraphQueryable(events, `/calendarView/delta?startDateTime=2024-03-04&endDateTime=2024-03-22&`);
const result= await graphGet(eventsQuery);

but the @odata.deltaLink is also removed. Is there a way to retrieve it, using pnp js?

[bcameron1231]

Hi, the delta query may not always contain a deltaLink, it may contain a nextLink instead. You'll get one or the other depending on if you've completed the getting all the changes, or if there are still more changes you need to retrieve.

Can you confirm if you have a @data.nextLink in the response?

[kkazala]

@bcameron1231 I don't. Neither @odata.deltaLink nor @data.nextLink I have only 1 item that changed during this time span, so I should get @odata.deltaLink, but it looks like it's removed for some reason

[bcameron1231]

Hi @kkazala . Ah, my apologies. The reason is that the PnPjs default parser is used when using graphGet. This parser only returns the value from the response. In order to fix this, you can use the JSONParse behavior on your spfi or Graph Queryable objects.

Here is an example of doing it right on the eventsQuery GraphQueryable object.

const events = this.graph.users.getById(sharedMailbox); 
const eventsQuery = GraphQueryable(events, `/calendarView/delta?startDateTime=2024-03-04&endDateTime=2024-03-22&`).using(JSONParse());
const result= await graphGet(eventsQuery);

This could also be done for all graph requests if you wish. const graph = graphfi().using(JSONParse());

[patrick-rodgers]

We will also have better delta support in v4.

[patrick-rodgers]

Closing this issue as answered. If you have additional questions or we did not answer your question, please open a new issue, ref this issue, and provide any additional details available. Thank you!

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