Private/Get-AtwsDefinition.ps1
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Function Get-AtwsDefinition { begin { $entityName = '#EntityName' # Enable modern -Debug behavior if ($PSCmdlet.MyInvocation.BoundParameters['Debug'].IsPresent) { $DebugPreference = 'Continue' } else { # Respect configured preference $DebugPreference = $Script:Atws.Configuration.DebugPref } Write-Debug ('{0}: Begin of function' -F $MyInvocation.MyCommand.Name) if (!($PSCmdlet.MyInvocation.BoundParameters['Verbose'].IsPresent)) { # No local override of central preference. Load central preference $VerbosePreference = $Script:Atws.Configuration.VerbosePref } $result = [Collections.ArrayList]::new() $iterations = [Collections.Arraylist]::new() } process { # Parameterset Get_All has a single parameter: -All # Set the Filter manually to get every single object of this type if ($PSCmdlet.ParameterSetName -eq 'Get_all') { $Filter = @('id', '-ge', 0) [void]$iterations.Add($Filter) } # So it is not -All. If Filter does not exist it has to be By_parameters elseif (-not ($Filter)) { Write-Debug ('{0}: Query based on parameters, parsing' -F $MyInvocation.MyCommand.Name) # Extract the parameter content, sort it ascending (we assume it is an Id field) # and deduplicate $count = $PSBoundParameters.Values[0].count # Check number of values. If it is less than or equal to 200 we pass PSBoundParameters as is if ($count -le 200) { [string[]]$Filter = ConvertTo-AtwsFilter -BoundParameters $PSBoundParameters -EntityName $entityName [void]$iterations.Add($Filter) } # More than 200 values. This will cause a SQL query nested too much. Break a single parameter # into segments and create multiple queries with max 200 values else { # Deduplicate the value list or the same ID may be included in more than 1 query $outerLoop = $PSBoundParameters.Values[0] | Sort-Object -Unique Write-Verbose ('{0}: Received {1} objects containing {2} unique values for parameter {3}' -f $MyInvocation.MyCommand.Name, $count, $outerLoop.Count, $param) # Make a writable copy of PSBoundParameters $BoundParameters = $PSBoundParameters for ($i = 0; $i -lt $outerLoop.count; $i += 200) { $j = $i + 199 if ($j -ge $outerLoop.count) { $j = $outerLoop.count - 1 } # make a selection $BoundParameters[$param] = $outerLoop[$i .. $j] Write-Verbose ('{0}: Asking for {1} values {2} to {3}' -f $MyInvocation.MyCommand.Name, $param, $i, $j) # Convert named parameters to a filter definition that can be parsed to QueryXML [string[]]$Filter = ConvertTo-AtwsFilter -BoundParameters $BoundParameters -EntityName $entityName [void]$iterations.Add($Filter) } } } # Not parameters, nor Get_all. There are only three parameter sets, so now we know # that we were passed a Filter else { Write-Debug ('{0}: Query based on manual filter, parsing' -F $MyInvocation.MyCommand.Name) # Parse the filter string and expand variables in _this_ scope (dot-sourcing) # or the variables will not be available and expansion will fail $Filter = . Update-AtwsFilter -Filterstring $Filter [void]$iterations.Add($Filter) } # Prepare shouldProcess comments $caption = $MyInvocation.MyCommand.Name $verboseDescription = '{0}: About to query the Autotask Web API for {1}(s).' -F $caption, $entityName $verboseWarning = '{0}: About to query the Autotask Web API for {1}(s). Do you want to continue?' -F $caption, $entityName # Lets do it and say we didn't! if ($PSCmdlet.ShouldProcess($verboseDescription, $verboseWarning, $caption)) { foreach ($Filter in $iterations) { try { # Make the query and pass the optional parameters to Get-AtwsData $response = Get-AtwsData -Entity $entityName -Filter $Filter ` -NoPickListLabel:$NoPickListLabel.IsPresent ` -GetReferenceEntityById $GetReferenceEntityById } catch { write-host "ERROR: " -ForegroundColor Red -NoNewline write-host $_.Exception.Message write-host ("{0}: {1}" -f $_.CategoryInfo.Category,$_.CategoryInfo.Reason) -ForegroundColor Cyan $_.ScriptStackTrace -split '\n' | ForEach-Object { Write-host " | " -ForegroundColor Cyan -NoNewline Write-host $_ } } # If multiple items use .addrange(). If a single item use .add() if ($response.count -gt 1) { [void]$result.AddRange($response) } else { [void]$result.Add($response) } Write-Verbose ('{0}: Number of entities returned by base query: {1}' -F $MyInvocation.MyCommand.Name, $result.Count) } } } end { Write-Debug ('{0}: End of function' -F $MyInvocation.MyCommand.Name) if ($result) { Return [array]$result } } } |