Internal/Get-DataLayer.ps1
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function Get-DataLayer { [CmdletBinding()] param ( [Parameter(Mandatory, ValueFromPipeline)] [PSCustomObject] $InputObject, # If specified, only return data layer containing the provided models [Parameter()] [string[]] $Model, # If specified, only return data layer containing the provided flows [Parameter()] [string[]] $Flow, # If specified, only return data layer matching the provided layer [Parameter()] [string[]] $Layer, # If specified, scan the layers recursively. [Parameter()] [switch] $Recurse, # If specified, return all parent layers of filtered layers. [Parameter()] [switch] $Transitive ) process { $filteredLayer = $InputObject | Where-Object { ( -not $Model ) -or ( $_.Models | Select-Object -ExpandProperty Key | Where-Object { $Model -contains $_ } ) } | Where-Object { ( -not $Flow ) -or ( $_.Flows | Select-Object -ExpandProperty Key | Where-Object { $Flow -contains $_ } ) } if ( $Layer -contains $InputObject.Key ) { $filteredLayer = $InputObject } if ( $filteredLayer ) { Write-Output $filteredLayer } if ( $Recurse.IsPresent ) { $InputObject.Layer | Where-Object { $_ } | Get-DataLayer -Model:$Model -Flow:$Flow -Recurse } if ( $Transitive.IsPresent ) { $children = $InputObject.Layer | Where-Object { $_ } | Get-DataLayer -Layer:$Layer -Transitive if ( $children ) { Write-Output $InputObject Write-Output $children } } } } |