Convert JSON-String to proper Object in Powershell - powershell

Question

I spend 3 hours debugging, but I don't get the rootcause.
I have text (in JSON Format) in a variable. I convert it with "Convert-From-JSON" to an actual object. I was hoping that I can then work with the properties of the object. But it does not work :( It seems that the conversion only gives me two tables (status and data). What am I doing wrong?
My code:
$results = {
"status": "FINISHED",
"data": {
"results": [
{
"id": "11565C230500",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
},
{
"id": "22739L5F16243",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
},
{
"id": "3304332724004",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
}
]
}
}
Now putting it as Object:
$resultObject = ConvertFrom-JSON -InputObject $result
Now trying to retrieve:
$resultObject.id | where {$_.id -eq '11565C230500'}

Answer 1

As it is now, you define $results as script block where it should be a string:
$results = #'
{
"status": "FINISHED",
"data": {
"results": [{
"id": "11565C230500",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
},
{
"id": "22739L5F16243",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
},
{
"id": "3304332724004",
"custom": {
"image": "XXXX",
"name": "XXXX",
"articleNumber": "4032423423505"
}
}
]
}
}
'#
Now you can convert it from the JSON string
$resultObject = $results | ConvertFrom-Json
Then, to parse out the nested property, you need to follow the data structure:
$resultObject.data.results | Where-Object {$_.id -eq '11565C230500'}
will give you this:
id custom
-- ------
11565C230500 #{image=XXXX; name=XXXX; articleNumber=4032423423505}
If you want to get the articleNumber from the custom object that contains, dig deeper still:
($resultObject.data.results | Where-Object {$_.id -eq '11565C230500'}).custom.articleNumber
which will return 4032423423505

Answer 2

Assuming the json is single quoted in that example, otherwise it's a scriptblock, and "$results" is used in place of "$result", the id property is underneath data.results. You couldn't examine the id property with where-object if you already expanded it. That's an alternate form of where-object. I'm expanding the "custom" property with the foreach-object alias "%". Note one id number is shorter. Beware convertto-json's default depth of 2.
$results = '{"status":"FINISHED","data":{"results":[
{"id":"11565C230500", "custom":{"image":"XXXX","name":"XXXX","articleNumber":"4032423423505"}},
{"id":"22739L5F16243","custom":{"image":"XXXX","name":"XXXX","articleNumber":"4032423423505"}},
{"id":"3304332724004","custom":{"image":"XXXX","name":"XXXX","articleNumber":"4032423423505"}}
]}}'
$resultObject = ConvertFrom-JSON -InputObject $results
$resultObject.data.results | where id -eq 11565C230500
id custom
-- ------
11565C230500 #{image=XXXX; name=XXXX; articleNumber=4032423423505}
$resultobject.data.results | where id -eq 11565C230500 | % custom
image name articleNumber
----- ---- -------------
XXXX XXXX 4032423423505