Public/Graph/GalSync/Get-GSGraphDeltaUser.ps1
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function Get-GSGraphDeltaUser { [CmdletBinding()] param ( [Parameter(Mandatory)] [string] $Tenant, [Parameter()] [switch] $Delta ) begin { # Get-GSGraphExchangeUser $Tenant $SelectString = 'DisplayName, mail, mobilePhone, City, State' } process { $Token = Connect-PoshGraph -Tenant $Tenant $Headers = @{ "Authorization" = "Bearer $Token" prefer = "return=minimal" } $RestSplat = @{ Uri = 'https://graph.microsoft.com/v1.0/users/delta?$select={0}' -f $SelectString Headers = $Headers Method = 'Get' } do { if ($Delta) { $Headers = @{ "Authorization" = "Bearer $Token" prefer = "return=minimal" } $RestSplat = @{ Uri = $DN Headers = $Headers Method = 'Get' } $Response = Invoke-RestMethod @RestSplat -Verbose:$false } else { $Response = Invoke-RestMethod @RestSplat -Verbose:$false if ($Response.'@odata.nextLink') { $Next = $Response.'@odata.nextLink' $Headers = @{ "Authorization" = "Bearer $Token" prefer = "return=minimal" } $RestSplat = @{ Uri = $Next Headers = $Headers Method = 'Get' } } elseif ($Response.'@odata.deltaLink') { $DeltaNext = $Response.'@odata.deltaLink' $Headers = @{ "Authorization" = "Bearer $Token" prefer = "return=minimal" } $RestSplat = @{ Uri = $DeltaNext Headers = $Headers Method = 'Get' } $Script:DN = $DeltaNext $Next = $null } else { $Next = $null } } } until (-not $Next -or $Delta) } end { $Response #$Response.value | Where-Object { $_.id -in $ExchangeSet } } } |