functions/entitlementManagement/accessPackageAssignmentPolicies/Invoke-TmfAccessPackageAssignmentPolicy.ps1

function Invoke-TmfAccessPackageAssignmentPolicy
{
    <#
        .SYNOPSIS
            Performs the required actions for a resource type against the connected Tenant.
    #>

    [CmdletBinding()]
    Param (
        [System.Management.Automation.PSCmdlet]
        $Cmdlet = $PSCmdlet
    )
    
    begin
    {
        $resourceName = "accessPackageAssignmentPolicies"
        if (!$script:desiredConfiguration[$resourceName]) {
            Stop-PSFFunction -String "TMF.NoDefinitions" -StringValues "AccessPackageAssignmentPolicies"
            return
        }
        Test-GraphConnection -Cmdlet $Cmdlet

        function ConvertTo-RequestBody {
            Param (
                $TestResult                
            )

            $requestBody = @{                        
                "displayName" = $TestResult.DesiredConfiguration.displayName
                "description" = $TestResult.DesiredConfiguration.description
                "accessPackageId" = $TestResult.DesiredConfiguration.accessPackageId()
                "canExtend" = $TestResult.DesiredConfiguration.canExtend
                "durationInDays" = $TestResult.DesiredConfiguration.durationInDays
            }

            foreach ($property in @("accessReviewSettings", "requestorSettings", "requestApprovalSettings")) {
                if ($property -in $TestResult.DesiredConfiguration.Properties()) {
                    $requestBody[$property] = $TestResult.DesiredConfiguration.$property.PSObject.Copy()
                    if ($property -eq "requestApprovalSettings") {
                        if ($requestBody[$property]["approvalStages"]) {
                            $requestBody[$property]["approvalStages"] = @($requestBody[$property]["approvalStages"].PSObject.Copy() | Foreach-Object {                            
                                $stage = $_
                                "primaryApprovers", "escalationApprovers" | Where-Object { $_ -in $requestBody[$property]["approvalStages"].Keys } | Foreach-Object {                                
                                    $stage[$_] = @($stage[$_] | Foreach-Object { $_.prepareBody() })
                                }
                                $stage
                            })
                        }
                    }
                    else {
                        switch ($property) {
                            "accessReviewSettings" { $userSetProperty = "reviewers" }
                            "requestorSettings" { $userSetProperty = "allowedRequestors" }
                        }

                        if ($requestBody[$property].Keys -contains $userSetProperty) {
                            $requestBody[$property][$userSetProperty] = @($requestBody[$property][$userSetProperty] | Foreach-Object { $_.prepareBody()    })
                        }
                    }
                }                
            }

            return $requestBody
        }
    }
    process
    {
        if (Test-PSFFunctionInterrupt) { return }
        $testResults = Test-TmfAccessPackageAssignmentPolicy -Cmdlet $Cmdlet

        foreach ($result in $testResults) {
            Beautify-TmfTestResult -TestResult $result -FunctionName $MyInvocation.MyCommand
            switch ($result.ActionType) {
                "Create" {
                    $requestUrl = "$script:graphBaseUrl/identityGovernance/entitlementManagement/accessPackageAssignmentPolicies"
                    $requestMethod = "POST"
                    $requestBody = ConvertTo-RequestBody -TestResult $result                    

                    try {
                        $requestBody = $requestBody | ConvertTo-Json -ErrorAction Stop -Depth 8
                        Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequestWithBody" -StringValues $requestMethod, $requestUrl, $requestBody
                        Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl -Body $requestBody | Out-Null
                    }
                    catch {
                        Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                        throw $_
                    }
                }
                "Delete" {
                    $requestUrl = "$script:graphBaseUrl/identityGovernance/entitlementManagement/accessPackageAssignmentPolicies/{0}" -f $result.GraphResource.Id
                    $requestMethod = "DELETE"
                    try {
                        Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequest" -StringValues $requestMethod, $requestUrl
                        Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl
                    }
                    catch {
                        Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                        throw $_
                    }
                }
                "Update" {
                    $requestUrl = "$script:graphBaseUrl/identityGovernance/entitlementManagement/accessPackageAssignmentPolicies/{0}" -f $result.GraphResource.Id
                    $requestMethod = "PUT"
                    if ($result.Changes.count -gt 0) {
                        $requestBody = ConvertTo-RequestBody -TestResult $result
    
                        try {
                            $requestBody = $requestBody | ConvertTo-Json -ErrorAction Stop -Depth 8
                            Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequestWithBody" -StringValues $requestMethod, $requestUrl, $requestBody
                            Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl -Body $requestBody | Out-Null
                        }
                        catch {
                            Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                            throw $_
                        }
                    }
                }
                "NoActionRequired" { }
                default {
                    Write-PSFMessage -Level Warning -String "TMF.Invoke.ActionTypeUnknown" -StringValues $result.ActionType
                }                
            }
            Write-PSFMessage -Level Host -String "TMF.Invoke.ActionCompleted" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, (Get-ActionColor -Action $result.ActionType), $result.ActionType
        }        
    }
    end
    {
        Load-TmfConfiguration -Cmdlet $Cmdlet
    }
}