JSON Nested Array to CSV - powershell

Question

I have a Json file that I need to convert to CSV file using Powershell.
Can somebody please help me out?
The input file containing the Json data is called "data.json" and I would like the CSV output file to be called "dataout.csv"
Thanks for any help you can provide.
Cheers

Answer 1

As per comment:
If I understand your question correctly, you want to $usagetype for each $productName.lines and you want to do that for each $cloudaccount.lines...
This means that the foreach ( $usagetype in $productName.lines ) { ... loop should go inside the foreach ( $productName in $cloudaccount.lines ) { ... loop and the output [pscustomobject] #{ should go inside that inner loop: foreach ( $productName in $cloudaccount.lines ) { ...
In other words, if you need to read a JSON Nested Array, you will need to nest your loops. Thus:
$Data = $json | ConvertFrom-Json
$output = foreach ( $customer in $data ) {
$customerName = "$($customer.entity.company) ($($customer.entity.name))"
foreach ( $cloudAccount in $customer.lines ) {
$cloudAccountNumber = $cloudAccount.entity.id
# Continue to nest down to get out all colums data
foreach ( $productName in $cloudaccount.lines ) {
$cloudproductname = $productName.entity.id
foreach ( $usagetype in $productName.lines ) {
$cloudusagetype = $usagetype.entity.id
$cloudprice = $usagetype.data.price
$cloudcost = $usagetype.data.cost
$cloudusage = $usagetype.data.usage
# output the result
[pscustomobject] #{
"Customer Name" = $customerName
"Cloud Account Number" = $cloudAccountNumber
"Product Name" = $cloudproductname
"Usage Type" = $cloudusagetype
"Price" = $cloudprice
"Cost" = $cloudcost
"Usage" = $cloudusage
}
}
}
}
}
# Convert to csv
$output | Export-Csv -Path myfil.csv