Public/ObjectBuilder/New-R1ComputedAttributeExpression.ps1
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# .ExternalHelp psRadiantOne-help.xml function New-R1ComputedAttributeExpression { [CmdletBinding(DefaultParameterSetName = 'Value', SupportsShouldProcess, ConfirmImpact = 'Low')] [OutputType('System.String')] param( [parameter( Mandatory = $true, ValueFromPipelineByPropertyName = $true )] [ValidateNotNullOrEmpty()] [string]$dn, [parameter( Mandatory = $true, ValueFromPipelineByPropertyName = $true )] [ValidateNotNullOrEmpty()] [string]$primaryObject, [parameter( Mandatory = $true, ValueFromPipelineByPropertyName = $true )] [ValidateLength(1, 10000)] [string]$signature, [parameter( ParameterSetName = 'Value', Mandatory = $false, ValueFromPipelineByPropertyName = $false )] [ValidateNotNull()] [string[]]$value = @(), [parameter( ParameterSetName = 'Values', Mandatory = $true, ValueFromPipelineByPropertyName = $false )] [ValidateNotNull()] [System.Collections.IDictionary]$values ) Begin { Assert-R1Session -RequireToken }#begin Process { if ($PSCmdlet.ParameterSetName -eq 'Value') { #The server substitutes values positionally, so they are named from the function's own #parameter list rather than left to the order a dictionary happens to enumerate in $Function = Get-R1ComputedAttributeFunction -dn $dn -primaryObject $primaryObject | Where-Object { $PSItem.signature -eq $signature } if ($null -eq $Function) { throw "Computed attribute function '$signature' not found on $dn ($primaryObject)." } $Parameter = @($Function.parameters) $Required = @($Parameter | Where-Object { $PSItem.required }).Count if ($value.Count -lt $Required -or $value.Count -gt $Parameter.Count) { throw "'$signature' takes $Required required and $($Parameter.Count) total values, $($value.Count) supplied." } $values = [ordered]@{} for ($i = 0; $i -lt $value.Count; $i++) { $values[$Parameter[$i].name] = $value[$i] } } $URI = Resolve-R1ServiceUrl -Service Namespace -Path "naming_contexts/$($dn | Get-EscapedString)/object_builder/primary_objects/$($primaryObject | Get-EscapedString)/computed_attr_functions" $Body = [ordered]@{ signature = $signature values = @($values.Keys | ForEach-Object { [ordered]@{ name = "$PSItem"; value = "$($values[$PSItem])" } }) } | ConvertTo-R1JsonBody -EmptyArrayProperty values if ($PSCmdlet.ShouldProcess("$dn ($primaryObject)", "Build Expression from '$signature'")) { $Result = Invoke-R1RestMethod -Uri $URI -Method POST -Body $Body if ($null -ne $Result) { $Result.expression } } }#process End { }#end } |