Private/Import-AtwsCmdLet.ps1
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Function Import-AtwsCmdLet { [CmdLetBinding( SupportsShouldProcess = $True, ConfirmImpact = 'Medium' )] Param ( [Parameter(Mandatory = $True)] [String] $ModuleName, [Switch] $NoDiskCache, [Switch] $RefreshCache, [String] $Prefix = 'Atws' ) Begin { If (-not($global:AtwsConnection[$Prefix].Url)) { Throw [ApplicationException] 'Not connected to Autotask WebAPI. Run Connect-AutotaskWebAPI first.' } Else { $local:Atws = $global:AtwsConnection[$Prefix] } Write-Verbose -Message ('{0}: Calling API.EntityInfo() to get list over available entities.' -F $MyInvocation.MyCommand.Name) $Caption = $MyInvocation.MyCommand.Name $VerboseDescrition = '{0}: Calling API.EntityInfo()' -F $Caption $VerboseWarning = '{0}: About to call API.EntityInfo(). Do you want to continue?' -F $Caption If ($PSCmdlet.ShouldProcess($VerboseDescrition, $VerboseWarning, $Caption)) { $Entities = $Atws.getEntityInfo() } Else { $Entities = @() } # A hashtable to keep track of fieldinfo pr entity. Keep it in the script and called functions $Script:FieldTable = @{} # An array to contain text that will be converted to a scriptblock $ModuleFunctions = @() $CacheInfo = Get-AtwsCacheInfo -Prefix $Prefix } Process { If ($CacheInfo.CacheDirty -or $NoDiskCache.IsPresent -or $RefreshCache.IsPresent) { Write-Verbose -Message ('{0}: Generating new functions (CacheDirty: {1}, NoDiskCache: {2}) ' -F $MyInvocation.MyCommand.Name,$CacheInfo.CacheDirty.ToString(), $NoDiskCache.IsPresent.ToString()) $Activity = 'Downloading detailed information about all Autotask entity types' $ParentId = 1 Foreach ($Entity in $Entities) { Write-Verbose -Message ('{0}: Importing detailed information about Entity {1}' -F $MyInvocation.MyCommand.Name, $Entity.Name) $FieldTable[$Entity.Name] = $atws.GetFieldInfo($Entity.Name) # Calculating progress percentage and displaying it $Index = $Entities.IndexOf($Entity) +1 $PercentComplete = $Index / $Entities.Count * 100 $Status = 'Entity {0}/{1} ({2:n0}%)' -F $Index, $Entities.Count, $PercentComplete $CurrentOperation = "GetFieldInfo('{0}')" -F $Entity.Name Write-Progress -ParentId $ParentId -Activity $Activity -Status $Status -PercentComplete $PercentComplete -CurrentOperation $CurrentOperation $VerboseDescrition = '{0}: Creating and Invoking functions for entity {1}' -F $Caption, $Entity.Name $VerboseWarning = '{0}: About to create and Invoke functions for entity {1}. Do you want to continue?' -F $Caption, $Entity.Name } $Activity = 'Creating and importing functions for all Autotask entities.' Foreach ($Entity in $Entities) { Write-Verbose -Message ('{0}: Creating functions for entity {1}' -F $MyInvocation.MyCommand.Name, $Entity.Name) # Calculating progress percentage and displaying it $Index = $Entities.IndexOf($Entity) +1 $PercentComplete = $Index / $Entities.Count * 100 $Status = 'Entity {0}/{1} ({2:n0}%)' -F $Index, $Entities.Count, $PercentComplete $CurrentOperation = 'Importing {0}' -F $Entity.Name Write-Progress -ParentId $ParentId -Activity $Activity -Status $Status -PercentComplete $PercentComplete -CurrentOperation $CurrentOperation $VerboseDescrition = '{0}: Creating and Invoking functions for entity {1}' -F $Caption, $Entity.Name $VerboseWarning = '{0}: About to create and Invoke functions for entity {1}. Do you want to continue?' -F $Caption, $Entity.Name $FunctionDefinition = Get-AtwsFunctionDefinition -Entity $Entity -Prefix $Prefix -FieldInfo $FieldTable[$Entity.Name] If ($PSCmdlet.ShouldProcess($VerboseDescrition, $VerboseWarning, $Caption)) { Foreach ($Function in $FunctionDefinition.GetEnumerator()) { If (-Not $NoDiskCache.IsPresent) { Write-Verbose -Message ('{0}: Writing file for function {1}' -F $MyInvocation.MyCommand.Name, $Function.Key) $FilePath = '{0}\{1}.ps1' -F $CacheInfo.CacheDir, $Function.Key $VerboseDescrition = '{0}: Overwriting {1}' -F $Caption, $FilePath $VerboseWarning = '{0}: About to overwrite {1}. Do you want to continue?' -F $Caption, $FilePath If ($PSCmdlet.ShouldProcess($VerboseDescrition, $VerboseWarning, $Caption)) { Set-Content -Path $FilePath -Value $Function.Value -Force -Encoding UTF8 } } $ModuleFunctions += $Function.Value } } } Write-Verbose -Message ('{0}: Writing Moduleversion info to {1}' -F $MyInvocation.MyCommand.Name, $CacheInfo.CachePath) $ModuleVersionInfo = New-Object -TypeName PSObject -Property @{ APIversion = $CacheInfo.APIversion ModuleVersion = $CacheInfo.ModuleVersion CI = $CacheInfo.CI } Export-Clixml -InputObject $ModuleVersionInfo -Path $CacheInfo.CachePath -Encoding UTF8 Write-Progress -ParentId $ParentId -Activity $Activity -Completed } Else { Write-Verbose -Message ('{0}: Reading function definitions from {1}' -F $MyInvocation.MyCommand.Name, $CacheInfo.CachePath) $CacheFiles = '{0}\*.ps1' -F $CacheInfo.CacheDir Foreach ($File in Get-ChildItem -Path $CacheFiles) { $ModuleFunctions += Get-Content -Path $File.FullName -Encoding UTF8 -Raw } } Write-Verbose -Message ('{0}: Including private functions in dynamic mocule' -F $MyInvocation.MyCommand.Name) $PrivateFunctions = @( 'Get-AtwsFieldInfo', 'Get-CallerPreference' ) Foreach ($FunctionName in $PrivateFunctions) { $ModuleFunctions += (Get-Command $FunctionName).ScriptBlock.Ast.Extent.Text } } End { Write-Verbose -Message ('{0}: Importing Autotask Dynamic Module' -F $MyInvocation.MyCommand.Name) $FunctionScriptBlock = [ScriptBlock]::Create($($ModuleFunctions)) New-Module -Name $ModuleName -ScriptBlock $FunctionScriptBlock | Import-Module -Global } } |