Write-ProgressEx.psm1
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# mazzy@mazzy.ru, 2017-10-22 # https://github.com/mazzy-ax/Write-ProgressEx #requires -version 3.0 #region Module variables $ProgressEx = @{} $ProgressExDefault = @{ MessageOnFirstIteration = {param([hashtable]$pInfo) Write-Warning "[$(Get-Date )] $($pInfo.Id):$($pInfo.Activity):$($pInfo.Status): start."} MessageOnNewActivity = {param([hashtable]$pInfo) Write-Warning "[$(Get-Date )] $($pInfo.Id):$($pInfo.Activity):$($pInfo.Status):"} MessageOnNewStatus = {param([hashtable]$pInfo) Write-Warning "[$(Get-Date )] $($pInfo.Id):$($pInfo.Activity):$($pInfo.Status):"} MessageOnCompleted = {param([hashtable]$pInfo) Write-Warning "[$(Get-Date )] $($pInfo.Id):$($pInfo.Activity):$($pInfo.Status): done. Iterations=$($pInfo.Current), Elapsed=$($pInfo.stopwatch.Elapsed)"} } $StdParmNames = (Get-Command Write-Progress).Parameters.Keys #endregion function Get-ProgressEx { <# .SYNOPSIS Get or Create hashtable for progress with Id. .DESCRIPTION This cmdlet returns an hashtable related the progress with an Id. The hashtable contain activity string, current and total counters, remain seconds, PercentComplete and other progress parameters. The cmdlet returns $null if an Id was not used yet. It returns new hashtable if $force specified and an Id was not used. .NOTES A developer can modify values and use the hashtable for splatting into Write-ProgressEx. .EXAMPLE $range = 1..1000 write-ProgressEx 'wait, please' -Total $range.Count $range | write-ProgressEx | ForEach-Object { $pInfo = Get-ProgressEx if ( $pInfo.SecondsRemaining -lt 5 ) { $pInfo['Activity'] = 'just a few seconds' Write-ProgressEx @pInfo # <------- } } The splatting to Write-ProgressEx is a common pattern to use progress info: It's recalculate parameters and refresh progress on the console. #> [cmdletbinding()] [OutputType([hashtable])] param( [Parameter(ValueFromPipeline = $true, Position = 0)] [ValidateRange(0, [int]::MaxValue)] [int]$Id = 0, [switch]$Force ) process { $pInfo = $ProgressEx[$Id] if ( $pInfo -is [hashtable] ) { return $pInfo.Clone() } if ( $Force ) { return @{Id = $id} } $null } } function Write-ProgressExMessage { <# .SYNOPSIS Write a message to output. .PARAMETER pInfo The progress info returned by Get-ProgressEx .PARAMETER Message The message .NOTES This function is not exported #> [cmdletbinding(DefaultParameterSetName = 'Message')] param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [hashtable]$pInfo, [Parameter(Position = 1, ValueFromPipelineByPropertyName = $true, ParameterSetName = 'Message')] [scriptblock]$Message, [Parameter(ParameterSetName = 'OnFirstIteration')] [switch]$ShowMessagesOnFirstIteration, [Parameter(ParameterSetName = 'OnNewActivity')] [switch]$ShowMessagesOnNewActivity, [Parameter(ParameterSetName = 'OnNewStatus')] [switch]$ShowMessagesOnNewStatus, [Parameter(ParameterSetName = 'OnCompleted')] [switch]$ShowMessagesOnCompleted ) process { function nz ($a, $b) { if ($a) { $a } else { $b } } if ( $ShowMessagesOnFirstIteration -and $pInfo.ShowMessagesOnFirstIteration ) { $Message = nz $pInfo.MessageOnFirstIteration $ProgressExDefault.MessageOnFirstIteration } elseif ( $ShowMessagesOnNewActivity -and $pInfo.ShowMessagesOnNewActivity ) { $Message = nz $pInfo.MessageOnNewActivity $ProgressExDefault.MessageOnNewActivity } elseif ( $ShowMessagesOnNewStatus -and $pInfo.ShowMessagesOnNewStatus ) { $Message = nz $pInfo.MessageOnNewStatus $ProgressExDefault.MessageOnNewStatus } elseif ( $ShowMessagesOnCompleted -and $pInfo.ShowMessagesOnCompleted ) { $Message = nz $pInfo.MessageOnCompleted $ProgressExDefault.MessageOnCompleted } # message may use all variable values in all scope if ( $Message ) { Invoke-Command -ScriptBlock $Message -ArgumentList $pInfo -ErrorAction SilentlyContinue } } } function Write-ProgressExStd { <# .SYNOPSIS Show standard Progress bar by $id or $pInfo .PARAMETER pInfo The progress info returned by Get-ProgressEx .NOTES This function is not exported #> [cmdletbinding()] param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [hashtable]$pInfo ) process { if ( -not $pInfo.NoShowProgressBar -and $pInfo ) { # Invoke standard write-progress cmdlet $pArgs = @{} $pInfo.Keys | Where-Object { $_ -in $StdParmNames } | ForEach-Object { $pArgs[$_] = $pInfo[$_] } if ( $pInfo.Total ) { $pArgs.Activity = ($pArgs.Activity, ($pInfo.Current, $pInfo.Total -join '/') -join ': ') } elseif ($pInfo.Current) { $pArgs.Activity = ($pArgs.Activity, $pInfo.Current -join ': ') } # Activity is mandatory parameter for standard Write-Progress if ( -not $pArgs.Activity ) { $pArgs.Activity = '.' } Write-Progress @pArgs } } } function Set-ProgressEx { <# .SYNOPSIS Set parameters for the progress with Id and dispaly this values to the console. .DESCRIPTION The cmdlet: * save parameters * display this parameters to console * complete progress if Completed parameter is $true * complete all children progresses always. .EXAMPLE $range = 1..1000 write-ProgressEx 'wait, please' -Total $range.Count $range | write-ProgressEx | ForEach-Object { $pInfo = Get-ProgressEx if ( $pInfo.PercentComplete -gt 50 ) { $pInfo['Status'] = 'hard work in progress' Set-ProgressEx $pInfo # <------- } } Set-ProgressEx is a rare pattern to use progress info. It's no recalulate. It refresh progress on the console only. Write-ProgressEx recommended. #> [cmdletbinding()] param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [hashtable]$pInfo ) process { function Complete-ProgressAndChilren($Ids, $CompleteNow) { while ($Ids -ne $null) { # Complete $Ids | Where-Object { $CompleteNow -and ($_ -in $ProgressEx.Keys) } | ForEach-Object { $ProgressEx[$_].Completed = $true Write-ProgressExMessage $ProgressEx[$_] -ShowMessagesOnCompleted Write-ProgressExStd $ProgressEx[$_] $ProgressEx[$_].Stopwatch = $null $ProgressEx.Remove($_) } # Find children. $tmp used to avoid undefined behavior with $Ids inside and outside the pipe. Let me know if $tmp is not needed. $tmp = $ProgressEx.Keys | Where-Object { $ProgressEx[$_].ParentId -in $Ids } $Ids = $tmp # Complete children anyway $CompleteNow = $true } } if ( $pInfo ) { if ( -not $pInfo.Completed ) { # events & messages if ( -not $ProgressEx[$pInfo.Id].Stopwatch ) { if ( -not $pInfo.Stopwatch ) { $pInfo.stopwatch = [System.Diagnostics.Stopwatch]::StartNew() } Write-ProgressExMessage $pInfo -ShowMessagesOnFirstIteration } elseif ( $pInfo.Activity -ne $ProgressEx[$pInfo.Id].Activity ) { Write-ProgressExMessage $pInfo -ShowMessagesOnNewActivity } elseif ( $pInfo.Status -ne $ProgressEx[$pInfo.Id].Status ) { Write-ProgressExMessage $pInfo -ShowMessagesOnNewStatus } Write-ProgressExStd $pInfo } $ProgressEx[$pInfo.Id] = $pInfo Complete-ProgressAndChilren $pInfo.id -CompleteNow $pInfo.Completed } } } function Write-ProgressEx { <# .SYNOPSIS Powershell Extended Write-Progress cmdlet. .EXAMPLE Write-ProgressEx -Total $nodes.Count $nodes | Where-Object ...... | ForEach-Object { Write-ProgressEx -Total $names.Count -id 1 $names | Where-Object ...... | ForEach-Object { ...... Write-ProgressEx -id 1 -Increment } Write-ProgressEx -Increment } write-posProgress -complete .EXAMPLE Write-ProgressEx -Total $nodes.Count $nodes | Where-Object ...... | Write-ProgressEx | ForEach-Object { Write-ProgressEx -Total $names.Count -id 1 $names | Where-Object ...... | Write-ProgressEx -id 1 | ForEach-Object { ...... } } Write-ProgressEx -complete .EXAMPLE Ideal: is it possible? $nodes | Where-Object ...... | Write-ProgressEx | ForEach-Object { $names | Where-Object ...... | Write-ProgressEx -id 1 | ForEach-Object { ...... } } write-posProgress -complete .NOTE Commands 'Write-ProgressEx.ps1' and 'Write-ProgressEx -Complete' are equivalents. The cmdlet complete all children progresses. .NOTE A developer can use a parameter splatting. See Get-ProgressEx example. .NOTE Cmdlet is not safe with multi-thread. #> [cmdletbinding()] param( # Standard parameters for standard Powershell write-progress [Parameter(Position = 0)] [string]$Activity, [Parameter(Position = 1)] [string]$Status, [Parameter(Position = 2)] [ValidateRange(0, [int]::MaxValue)] [int]$Id = 0, [int]$PercentComplete, [int]$SecondsRemaining, [string]$CurrentOperation, [int]$ParentId, [int]$SourceId, [switch]$Completed, # Extended parameters [Parameter(ValueFromPipeline = $true)] [object]$InputObject, [ValidateRange(0, [int]::MaxValue)] [int]$Total, [ValidateRange(0, [int]::MaxValue)] [int]$Current, # current iteration number. It may be greather then $total. [switch]$Increment, [System.Diagnostics.Stopwatch]$Stopwatch, # The Сmdlet does not call a standard write-progress cmdlet. Thus the progress bar does not show. [switch]$NoProgressBar, # Message templates [scriptblock]$MessageOnFirstIteration, [scriptblock]$MessageOnNewActivity, [scriptblock]$MessageOnNewStatus, [scriptblock]$MessageOnCompleted, # The cmdlet output no messages [switch]$ShowMessages, [switch]$ShowMessagesOnFirstIteration = $ShowMessages -or $MessageOnFirstIteration, [switch]$ShowMessagesOnNewActivity = $ShowMessages -or $MessageOnNewActivity, [switch]$ShowMessagesOnNewStatus = $ShowMessages -or $MessageOnNewStatus, [switch]$ShowMessagesOnCompleted = $ShowMessages -or $MessageOnCompleted ) process { $pInfo = Get-ProgressEx $id -Force if ( $ParentId ) { $pInfo.ParentId = $ParentId } if ( $stopwatch ) { $pInfo.stopwatch = $stopwatch } if ( $total ) { $pInfo.Total = $total if ( -not $Increment -and -not $inputObject ) { $pInfo.PercentComplete = 0 $pInfo.Current = 0 } if ( -not $pInfo.ParentId ) { $ParentInfo = ($ProgressEx.Keys | Where-Object { $_ -lt $pInfo.id } | Measure-Object -Maximum).Maximum if ( $ParentInfo -ne $null ) { $pInfo.ParentId = $ParentInfo } } } if ( $Current ) { $pInfo.Current = $Current } if ( $Increment -or $inputObject ) { # next $pInfo.Current = $pInfo.Current + 1 } $isCalcPossible = ($pInfo.Total -gt 0) -and ($pInfo.Current -gt 0) -and ($pInfo.Current -le $pInfo.Total) if ( $PercentComplete ) { $pInfo.PercentComplete = $PercentComplete } elseif ( $isCalcPossible ) { $pInfo.PercentComplete = [Math]::Min( [Math]::Max(0, [int]($pInfo.Current / $pInfo.Total * 100)), 100) } if ( $SecondsRemaining ) { $pInfo.SecondsRemaining = $SecondsRemaining } elseif ( $isCalcPossible -and $pInfo.stopwatch ) { $pInfo.SecondsRemaining = [Math]::Max(0, 1 + $pInfo.stopwatch.Elapsed.TotalSeconds * [Math]::Max(0, $pInfo.Total - $pInfo.Current) / $pInfo.Current) } if ( $Completed -or -not ($PSBoundParameters.Count -or ($MyInvocation.PipelineLength -gt 1)) ) { $pInfo.Completed = $true } if ( $Activity ) { $pInfo.Activity = $Activity } if ( -not $pInfo.Activity ) { $pInfo.Activity = (Get-PSCallStack)[1].InvocationInfo.MyCommand.Name } if ( $Status ) { $pInfo.Status = $Status } if ( $CurrentOperation ) { $pInfo.CurrentOperation = $CurrentOperation } if ( $SourceId ) { $pInfo.SourceId = $SourceId } if ( $NoProgressBar ) { $pInfo.NoProgressBar = $NoProgressBar } if ( $ShowMessagesOnFirstIteration ) { $pInfo.ShowMessagesOnFirstIteration = $ShowMessagesOnFirstIteration } if ( $ShowMessagesOnNewActivity ) { $pInfo.ShowMessagesOnNewActivity = $ShowMessagesOnNewActivity } if ( $ShowMessagesOnNewStatus ) { $pInfo.ShowMessagesOnNewStatus = $ShowMessagesOnNewStatus } if ( $ShowMessagesOnCompleted ) { $pInfo.ShowMessagesOnCompleted = $ShowMessagesOnCompleted } if ( $MessageOnFirstIteration ) { $pInfo.MessageOnFirstIteration = $MessageOnFirstIteration } if ( $MessageOnNewActivity ) { $pInfo.MessageOnNewActivity = $MessageOnNewActivity } if ( $MessageOnNewStatus ) { $pInfo.MessageOnNewStatus = $MessageOnNewStatus } if ( $MessageOnCompleted ) { $pInfo.MessageOnCompleted = $MessageOnCompleted } # Store to global and call standard Write-Progress to display progress Set-ProgressEx $pInfo # PassThru if ( $inputObject ) { $inputObject } } end { if ( $MyInvocation.PipelineLength -gt 1 ) { $pInfo = Get-ProgressEx -Id $id -Force $pInfo.Completed = $true Set-ProgressEx $pInfo } } } |