Public/Schemas/Set-R1SchemaRelationship.ps1

# .ExternalHelp psRadiantOne-help.xml
function Set-R1SchemaRelationship {
    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'Medium')]
    [OutputType([void])]
    param(
        [parameter(
            Mandatory = $true,
            ValueFromPipelineByPropertyName = $true
        )]
        [ValidateNotNullOrEmpty()]
        [Alias('name')]
        [string]$schemaName,

        [parameter(
            Mandatory = $true,
            ValueFromPipelineByPropertyName = $true
        )]
        [ValidateNotNullOrEmpty()]
        [Alias('id')]
        [string]$relationshipId,

        [parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [string]$source,

        [parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [string[]]$sourceAttrs,

        [parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [string]$dest,

        [parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [string[]]$destAttrs,

        [parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [string[]]$tags
    )

    Begin {

        Assert-R1Session -RequireToken

    }#begin

    Process {

        $URI = Resolve-R1ServiceUrl -Service Catalog -Path "schemas/$($schemaName | Get-EscapedString)/relationships/$($relationshipId | Get-EscapedString)"

        #Retrieve the current relationship and send it back with the supplied values applied over
        #it, so a property left unspecified keeps its current value.
        $Existing = Get-R1SchemaRelationship -schemaName $schemaName -relationshipId $relationshipId

        $Template = [ordered]@{
            id          = $relationshipId
            parent      = $null
            source      = $null
            sourceAttrs = @()
            dest        = $null
            destAttrs   = @()
            tags        = @()
        }

        $Request = Merge-R1Parameter -Template $Template -BoundParameter ($PSBoundParameters | Get-Parameter -ParametersToRemove schemaName, relationshipId) -Fallback $Existing

        foreach ($Collection in 'sourceAttrs', 'destAttrs', 'tags') {

            $Request[$Collection] = @($Request[$Collection])

        }

        $Body = $Request | ConvertTo-R1JsonBody -EmptyArrayProperty sourceAttrs, destAttrs, tags

        if ($PSCmdlet.ShouldProcess($relationshipId, 'Update Relationship')) {

            $null = Invoke-R1RestMethod -Uri $URI -Method PUT -Body $Body

        }

    }#process

    End { }#end

}