modules/Libraries/Add-AzDoVariableGroupResourceAssignment.psm1

<#
 
.SYNOPSIS
Add permission for a specific Azure DevOps libary
 
.DESCRIPTION
The command will add the permissions for the specificed library
 
.PARAMETER VariableGroupName
The name of the variable group to retrieve
 
.PARAMETER ApiVersion
Allows for specifying a specific version of the api to use (default is 5.0)
 
.EXAMPLE
Add-AzDoVariableGroupResourceAssignment -VariableGroupName <variable group name>
 
.NOTES
 
.LINK
https://github.com/ravensorb/Posh-AzureDevOps
 
#>

function Add-AzDoVariableGroupResourceAssignment()
{
    [CmdletBinding(
        DefaultParameterSetName="Name"
    )]
    param
    (
        # Common Parameters
        [PoshAzDo.AzDoConnectObject][parameter(ValueFromPipelinebyPropertyName = $true, ValueFromPipeline = $true)]$AzDoConnection,
        [string]$ApiVersion = $global:AzDoApiVersion,

        # Module Parameters
        [string][parameter(ValueFromPipelinebyPropertyName = $true, ParameterSetName="Name")][Alias("name")]$VariableGroupName,
        [int][parameter(ValueFromPipelinebyPropertyName = $true, ParameterSetName="ID")][Alias("id")]$VariableGroupId,

        [string][parameter(ValueFromPipelinebyPropertyName = $true)]$RoleName,
        [string][parameter(ValueFromPipelinebyPropertyName = $true)]$UserOrGroupName
    )
    BEGIN
    {
        if (-not $PSBoundParameters.ContainsKey('Verbose'))
        {
            $VerbosePreference = $PSCmdlet.GetVariableValue('VerbosePreference')
        }  

        $errorPreference = 'Stop'
        if ( $PSBoundParameters.ContainsKey('ErrorAction')) {
            $errorPreference = $PSBoundParameters['ErrorAction']
        }
    
        if (-Not (Test-Path variable:ApiVersion)) { $ApiVersion = "5.1-preview" }
        if (-Not $ApiVersion.Contains("preview")) { $ApiVersion = "5.1-preview" }

        if (-Not (Test-Path varaible:$AzDoConnection) -and $AzDoConnection -eq $null)
        {
            $AzDoConnection = Get-AzDoActiveConnection

            if ($AzDoConnection -eq $null) { Write-Error -ErrorAction $errorPreference -Message "AzDoConnection or ProjectUrl must be valid" }
        }

        Write-Verbose "Entering script $($MyInvocation.MyCommand.Name)"
        Write-Verbose "Parameter Values"
        $PSBoundParameters.Keys | ForEach-Object { Write-Verbose "$_ = '$($PSBoundParameters[$_])'" }
        
    }
    PROCESS
    {
        if ([string]::IsNullOrEmpty($VariableGroupName) -and [string]::IsNullOrEmpty($VariableGroupId))
        {
            Write-Error -ErrorAction $errorPreference -Message "Specify either Variable Group Name or Variable Group Id"
        }

        $variableGroup = Get-AzDoVariableGroups -AzDoConnection $AzDoConnection | ? { $_.name -clike $VariableGroupName -or $_.id -eq $VariableGroupId }

        if ($variableGroup -eq $null)
        {
            Write-Error -ErrorAction $errorPreference -Message "Variable Group '[$($VariableGroupId)]:$($VariableGroupName)' not found"
        }

        $userOrGroup = Get-AzDoSecurityGroups -AzDoConnection $AzDoConnection | ? { $_.displayName -eq $UserOrGroupName -or $_.principalName -eq $UserOrGroupName}
        if ($userOrGroup -eq $null)
        {
            Write-Verbose "Group not found, looking for user"
            $userOrGroup = Get-AzDoUsers -AzDoConnection $AzDoConnection | ? { $_.displayName -eq $UserOrGroupName -or $_.principalName -eq $UserOrGroupName}
        }

        if ($userOrGroup -eq $null)
        {
            Write-Error -ErrorAction $errorPreference -Message "User/Group not found"
        }

        # PUT https://<acct>.visualstudio.com/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/<projID>$<VarGroupID>?api-version=5.0-preview.1
        # [{"roleName":"<role>","userId":",<UserGUID>"}]
        $apiUrl = Get-AzDoApiUrl -RootPath $($AzDoConnection.OrganizationUrl) -ApiVersion $ApiVersion -BaseApiPath "/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/$($AzDoConnection.ProjectId)`$$($variableGroup.Id)"

        $body = "[{`"roleName`":`"$($RoleName)`",`"userId`":`"$($userOrGroup.originId)`"}]"
        # $roleDetails = @()
        # $roleDetails += @{roleName=$RoleName;userId=$($userOrGroup.originId)}
        # $body = $roleDetails | ConvertTo-Json -Depth 10 -Compress

        Write-Verbose "---------BODY---------"
        Write-Verbose $body
        Write-Verbose "---------BODY---------"

        # {"count":1,"value":[{"identity":{"displayName":"[3Pager]\\Variable Groups Managers - AWS","id":"e208eaf7-5b55-40a9-8898-0d43ade92799","uniqueName":"[3Pager]\\Variable Groups Managers - AWS"},"role":{"displayName":"User","name":"User","allowPermissions":17,"denyPermissions":0,"identifier":"distributedtask.variablegroup.User","description":"User can use, but cannot manage the library items.","scope":"distributedtask.variablegroup"},"access":"assigned","accessDisplayName":"Assigned"}]}
        $respomse = Invoke-RestMethod $apiUrl -Method PUT -Body $body -ContentType 'application/json' -Header $($AzDoConnection.HttpHeaders)
        
        Write-Verbose "Response: $($response.id)"

        $response
    }
    END 
    { 
        Write-Verbose "Leaving script $($MyInvocation.MyCommand.Name)"
    }
}