ForestManagement

1.5.31

internal/functions/Invoke-Callback.ps1

function Invoke-Callback
{
    <#
    .SYNOPSIS
        Invokes registered callbacks.
     
    .DESCRIPTION
        Invokes registered callbacks.
        Should be placed inside the begin block of every single Test-* and Invoke-* command.
 
        For more details on this system, call:
        Get-Help about_FM_callbacks
     
    .PARAMETER Server
        The server / domain to work with.
     
    .PARAMETER Credential
        The credentials to use for this operation.
     
    .PARAMETER Cmdlet
        The $PSCmdlet variable of the calling command
     
    .EXAMPLE
        PS C:\> Invoke-Callback @parameters -Cmdlet $PSCmdlet
 
        Executes all callbacks against the specified server using the specified credentials.
    #>
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidUsingEmptyCatchBlock", "")]
    [CmdletBinding()]
    Param (
        [string]
        $Server,

        [PSCredential]
        $Credential,

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCmdlet]
        $Cmdlet
    )
    
    begin
    {
        if (-not $script:callbacks) { return }

        if (-not $script:callbackDomains) { $script:callbackDomains = @{ } }
        if (-not $script:callbackForests) { $script:callbackForests = @{ } }

        $parameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential
        $parameters['Debug'] = $false

        $serverName = '<Default Domain>'
        if ($Server) { $serverName = $Server }
    }
    process
    {
        if (-not $script:callbacks) { return }

        if (-not $script:callbackDomains[$serverName]) {
            try { $script:callbackDomains[$serverName] = Get-ADDomain @parameters -ErrorAction Stop }
            catch { } # Ignore errors, might not work yet
        }
        if (-not $script:callbackForests[$serverName]) {
            try { $script:callbackForests[$serverName] = Get-ADForest @parameters -ErrorAction Stop }
            catch { } # Ignore errors, might not work yet
        }

        foreach ($callback in $script:callbacks.Values) {
            Write-PSFMessage -Level Debug -String 'Invoke-Callback.Invoking' -StringValues $callback.Name
            try {
                $param = @($serverName, $Credential, $script:callbackDomains[$serverName], $script:callbackForests[$serverName])
                $callback.Scriptblock.Invoke($param)
                Write-PSFMessage -Level Debug -String 'Invoke-Callback.Invoking.Success' -StringValues $callback.Name
            }
            catch {
                Write-PSFMessage -Level Debug -String 'Invoke-Callback.Invoking.Failed' -StringValues $callback.Name -ErrorRecord $_
                $Cmdlet.ThrowTerminatingError($_)
            }
        }
    }
}