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 #> [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSPossibleIncorrectComparisonWithNull", "", Justification="Explicitly checking for nulls")] 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", # A Personal Access Token [Alias('PAT')] [string] $PersonalAccessToken, # Specifies a user account that has permission to send the request. The default is the current user. # Type a user name, such as User01 or Domain01\User01, or enter a PSCredential object, such as one generated by the Get-Credential cmdlet. [pscredential] [Management.Automation.CredentialAttribute()] $Credential, # Indicates that the cmdlet uses the credentials of the current user to send the web request. [Alias('UseDefaultCredential')] [switch] $UseDefaultCredentials, # Specifies that the cmdlet uses a proxy server for the request, rather than connecting directly to the Internet resource. Enter the URI of a network proxy server. [uri] $Proxy, # Specifies a user account that has permission to use the proxy server that is specified by the Proxy parameter. The default is the current user. # Type a user name, such as "User01" or "Domain01\User01", or enter a PSCredential object, such as one generated by the Get-Credential cmdlet. # This parameter is valid only when the Proxy parameter is also used in the command. You cannot use the ProxyCredential and ProxyUseDefaultCredentials parameters in the same command. [pscredential] [Management.Automation.CredentialAttribute()] $ProxyCredential, # Indicates that the cmdlet uses the credentials of the current user to access the proxy server that is specified by the Proxy parameter. # This parameter is valid only when the Proxy parameter is also used in the command. You cannot use the ProxyCredential and ProxyUseDefaultCredentials parameters in the same command. [switch] $ProxyUseDefaultCredentials ) begin { #region Copy Invoke-ADORestAPI parameters # Because this command wraps Invoke-ADORestAPI, we want to copy over all shared parameters. $invokeRestApi = # To do this, first we get the commandmetadata for Invoke-ADORestAPI. [Management.Automation.CommandMetaData]$ExecutionContext.SessionState.InvokeCommand.GetCommand('Invoke-ADORestAPI', 'Function') $invokeParams = @{} + $PSBoundParameters # Then we copy our parameters foreach ($k in @($invokeParams.Keys)) { # and walk thru each parameter name. # If a parameter isn't found in Invoke-ADORestAPI if (-not $invokeRestApi.Parameters.ContainsKey($k)) { $invokeParams.Remove($k) # we remove it. } } # We're left with a hashtable containing only the parameters shared with Invoke-ADORestAPI. #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 # decorate results with the Typenames, # and cache the result. } $Script:ADOFieldCache.$uriBase # Last but not least, output what was in the cache. } } |