Error with the patchResource function medplum #support

Error with the patchResource function

mikee6290

10/11/2023, 4:57 PM

Currently I am attempting to take formData from a QuestionnaireForm response and then use the medplum patchResource function to add this data into the Patient resource for a specific patient. I did this operation before however instead of using the 'replace' operation i'm using the 'add' operation and doing everything else how i have before, which worked. I am met with errors that i will paste below along with my code. I will show the payload which shows that the values are not null or undefined, which is why this is a frustrating issue. I would love some guidance. errors:

Copy code

Error: Value required at path: /photo/0/contentType
Value required at path: /photo/0/url
Value required at path: /photo/0/title
Value required at path: /address/0/line/0
Value required at path: /address/0/city
Value required at path: /address/0/state
Value required at path: /address/0/country
Value required at path: /address/0/postalCode

reshma

10/12/2023, 3:31 AM

What value are you putting in for the URL? Also, for that resource do those paths already exist in he resource?

mikee6290

10/12/2023, 9:53 AM

No those paths dont exist in the resource, that may be the issue? Its a Patient resource that is missing gender, birthday, picture and address so im adding those details to the resource.

mikee6290

10/12/2023, 1:39 PM

Which is why I’m using the add operation and not replace

mikee6290

10/12/2023, 4:15 PM

Gender and birthday gets added by the way. Something with the photo and address fields is a problem.

mikee6290

10/12/2023, 5:07 PM

Update... I ended up using the updateResource method instead and it works that way. So i'll continue with that.

rahul1

10/12/2023, 5:51 PM

Hi @mikee6290 - the reason you were seeing issues with

add

is because there was no existing array at the location for

Patient.address

. doing a patch for on

add /address/0/*

, assumes that the array at

Patient.address

already exists

rahul1

10/12/2023, 5:52 PM

Replace just sets the whole

Patient.address

key, which is why you didn't run into this issue before

rahul1

10/12/2023, 5:53 PM

Unfortunately, it's a known issue with json patch that you can't express the following "Create an array if it doesn't exist, then add a new eleement" https://stackoverflow.com/questions/47670366/jsonpatch-adding-element-to-array-and-creating-it-if-not-exist

mikee6290

10/12/2023, 5:54 PM

Ahhh ok that makes sense. Thanks for clarifying. Defintely good to know for future use!

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