Get-ADOField.ps1
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function Get-ADOField { <# .Synopsis Gets fields from Azure DevOps .Description Gets fields from Azure DevOps or Team Foundation Server. .Link New-ADOField .Link Remove-ADOField .Link https://docs.microsoft.com/en-us/rest/api/azure/devops/wit/fields/list?view=azure-devops-rest-5.1 .Example Get-ADOField -Organization StartAutomating -Project PSDevOps #> [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSPossibleIncorrectComparisonWithNull", "", Justification="Explicitly checking for nulls")] [OutputType('PSDevOps.Field')] param( # The Organization [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [Alias('Org')] [string] $Organization, # The Project [Parameter(ValueFromPipelineByPropertyName)] [string] $Project, # The server. By default https://dev.azure.com/. # To use against TFS, provide the tfs server URL (e.g. http://tfsserver:8080/tfs). [Parameter(ValueFromPipelineByPropertyName)] [uri] $Server = "https://dev.azure.com/", # If set, will force a refresh of the cached results. [Alias('Refresh')] [switch] $Force, # The api version. By default, 5.1. # If targeting TFS, this will need to change to match your server version. # See: https://docs.microsoft.com/en-us/azure/devops/integrate/concepts/rest-api-versioning?view=azure-devops [string] $ApiVersion = "5.1") dynamicParam { . $GetInvokeParameters -DynamicParameter } begin { #region Copy Invoke-ADORestAPI parameters $invokeParams = . $getInvokeParameters $PSBoundParameters #endregion Copy Invoke-ADORestAPI parameters # Because fields don't change often, if (-not $Script:ADOFieldCache) { # if we haven't already created a cache $Script:ADOFieldCache = @{} # create a cache. } } process { # First, construct a base URI. It's made up of: $uriBase = "$Server".TrimEnd('/'), # * The server $Organization, # * The organization $(if ($Project) { $project}) -ne $null -join '/' $uri = $uriBase, "_apis/wit/fields?" -join '/' # Next, add on the REST api endpoint if ($ApiVersion) { # If an -ApiVersion exists, add that to query parameters. $uri += "api-version=$ApiVersion" } $invokeParams.Uri = $uri if ($Force) { # If we're forcing a refresh $Script:ADOFieldCache.Remove($uriBase) # clear the cached results for $uriBase. } if (-not $Script:ADOFieldCache.$uriBase) { # If we have nothing cached, $typenames = @( # Prepare a list of typenames so we can customize formatting: if ($Organization -and $Project) { "$Organization.$Project.Field" # * $Organization.$Project.Field (if $product exists) } "$Organization.Field" # * $Organization.Field 'PSDevOps.Field' # * PSDevOps.Field ) Write-Verbose "Caching ADO Fields for $uriBase" # Invoke the REST api $Script:ADOFieldCache.$uriBase = Invoke-ADORestAPI @invokeParams -PSTypeName $typenames -Property @{ Organization = $Organization Project = $Project Server = $Server } # decorate results with the Typenames, # and cache the result. } $Script:ADOFieldCache.$uriBase # Last but not least, output what was in the cache. } } |