Public/Remove-BlueCatExternalHost.ps1

function Remove-BlueCatExternalHost {
<#
.SYNOPSIS
    Remove an External Host record
.DESCRIPTION
    The Remove-BlueCatExternalHost cmdlet allows the removal of external host records.
.PARAMETER Name
    A string value representing the FQDN of the External Host to be removed.
.PARAMETER ID
    An integer value representing the entity ID of the External Host to be removed.
.PARAMETER Object
    A PSCustomObject representing the External Host to be removed.
.PARAMETER ViewID
    An integer value representing the entity ID of the desired view.
.PARAMETER View
    A PSCustomObject representing the desired view.
.PARAMETER BlueCatSession
    A BlueCat object representing the session to be used for this object operation.
.EXAMPLE
    PS> Remove-BlueCatExternalHost -Name 'autodiscover.outlook.com'
 
    Removes the external host 'autodiscover.outlook.com' or throws an error if the external host is not found.
    BlueCatSession will default to the current default session.
    View will default to the BlueCatSession default view.
.EXAMPLE
    PS> Remove-BlueCatExternalHost -Name 'sendgrid.net' -ViewID 23456 -BlueCatSession $Session3
 
    Removes the external host 'sendgrid.net' or throws an error if the external host is not found.
    Use the BlueCatSession associated with $Session3 to perform this operation.
    The record will be searched for in view 23456.
.EXAMPLE
    PS> Remove-BlueCatExternalHost -ID 10909
 
    Removes the external host with entity ID 10909 or throws an error if the external host is not found.
    BlueCatSession will default to the current default session.
    View will be automatically selected based on the entity ID.
.EXAMPLE
    PS> $ExternalHost | Remove-BlueCatExternalHost
 
    Removes the external host represented by $ExternalHost which is passed on the pipeline.
    BlueCatSession will default to the current default session.
    View will be automatically selected based on the entity information.
.INPUTS
    PSCustomObject representing the external host to be removed.
.OUTPUTS
    None
#>

    [CmdletBinding(DefaultParameterSetName='byID')]

    param(
        [Parameter(ParameterSetName='byID',Mandatory)]
        [ValidateRange(1, [int]::MaxValue)]
        [Alias('EntityID')]
        [int] $ID,

        [Parameter(ParameterSetName='byObj',Mandatory,ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [Alias('Entity')]
        [PSCustomObject] $Object,

        [Parameter(ParameterSetName='byNameViewID',Mandatory)]
        [Parameter(ParameterSetName='byNameViewObj',Mandatory)]
        [ValidateNotNullOrEmpty()]
        [Alias('ExternalHostName')]
        [string] $Name,

        [Parameter(ParameterSetName='byNameViewID')]
        [ValidateRange(1, [int]::MaxValue)]
        [int] $ViewID,

        [Parameter(ParameterSetName='byNameViewObj',Mandatory)]
        [ValidateNotNullOrEmpty()]
        [PSCustomObject] $View,

        [Parameter()]
        [Alias('Connection','Session')]
        [BlueCat] $BlueCatSession = $Script:BlueCatSession
    )

    begin {
        Get-CallerPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState
        if (-not $BlueCatSession) { throw 'No active BlueCatSession found' }
    }

    process {
        $thisFN = (Get-PSCallStack)[0].Command

        if ($ID) {
            # Convert the Entity ID into an Entity Object to use the object logic
            $Object = Get-BlueCatEntityById -ID $ID -BlueCatSession $BlueCatSession
        }

        if ($Name) {
            # Convert the Name into an Entity Object to use the object logic

            if ($ViewID) {
                # Convert the ViewID into a View Object
                $View = Get-BlueCatView -ViewID $ViewID -BlueCatSession $BlueCatSession
            } elseif (-not $View) {
                # No View ID or Object - Attempt to use the default view
                $BlueCatSession | Confirm-Settings -View
                $View = $BlueCatSession.view
                Write-Verbose "$($thisFN): Using default view '$($View.name)' (ID:$($View.id))"
            }

            # Validate the View Object
            if (-not $View.ID) {
                $FailureMessage = "$($thisFN): Invalid View Object"
                Write-Verbose $FailureMessage
                throw $FailureMessage
            }

            # Validate the View Object is the correct Entity Type
            if ($View.type -ne 'View') {
                $FailureMessage = "$($thisFN): Not a View - $($View.Name) is type '$($View.type)'"
                Write-Verbose $FailureMessage
                throw $FailureMessage
            }

            $Object = Get-BlueCatExternalHost -Name $Name -View $View -BlueCatSession $BlueCatSession
        }

        if (-not $Object) {
            if ($ID) {
                $FailureMessage = "$($thisFN): Failed to convert Entity ID #$($ID) to an External Host Record"
            } else {
                $FailureMessage = "$($thisFN): Failed to convert Name '$($Name)' in View '$($View.name)' to an External Host Record"
            }
            Write-Verbose $FailureMessage
            throw $FailureMessage
        }

        if (-not $Object.ID) {
            $FailureMessage = "$($thisFN): Invalid External Host Object"
            Write-Verbose $FailureMessage
            throw $FailureMessage
        }

        if ($Object.type -ne 'ExternalHostRecord') {
            $FailureMessage = "$($thisFN): Not an External Host Record - $($Object.Name) is type '$($Object.type)'"
            Write-Verbose $FailureMessage
            throw $FailureMessage
        }

        $DeleteExternalHost = @{
            ID             = $Object.ID
            BlueCatSession = $BlueCatSession
        }

        Write-Verbose "$($thisFN): Deleting ExternalHost record for '$($Object.Name)' (ID:$($Object.ID))"
        Remove-BlueCatEntityById @DeleteExternalHost
    }
}