Private/Compare-CAIQObjects.ps1
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Function Compare-CAIQObjects { <# .SYNOPSIS This is a function that compares two conditional access policy objects recursively and returns the differences. .DESCRIPTION This is a function that compares two conditional access policy objects and returns the differences. .PARAMETER ReferenceObject The reference object to compare. .PARAMETER DifferenceObject The difference object to compare. .PARAMETER Exclude The properties to exclude from the comparison. .INPUTS System.Object .OUTPUTS System.Object #> [CmdletBinding()] [OutputType([System.Object])] param ( [Parameter(Mandatory=$true)] [AllowNull()] [object]$ReferenceObject, [Parameter(Mandatory=$true)] [AllowNull()] [object]$DifferenceObject, [Parameter(DontShow=$true)] [regex]$Exclude = "(?i)(modifieddatetime|createddatetime|@odata\.context)" ) Begin { # Initialize the differences list $differences = [System.Collections.Generic.List[PSCustomObject]]::new() } Process { # Flatten the reference and difference objects $flattened_reference = ConvertTo-CAIQFlatObject -InputObject $ReferenceObject $flattened_difference = ConvertTo-CAIQFlatObject -InputObject $DifferenceObject # Get all properties from both objects $all_properties = $flattened_reference.PSObject.Properties.Name + $flattened_difference.PSObject.Properties.Name | Select-Object -Unique foreach ($property_name in $all_properties) { # Initialize the is_different variable $is_different = $false # Skip the ModifiedDateTime property if ($property_name -match $exclude) { continue } # Get the property values from both objects $reference_value = $flattened_reference.$property_name $difference_value = $flattened_difference.$property_name # If the reference value is null and the difference value is not null, then the policy has been modified if ($null -eq $reference_value -and $null -ne $difference_value) { $is_different = $true # If the reference value is not null and the difference value is null, then the policy has been modified } Elseif ($null -ne $reference_value -and $null -eq $difference_value) { $is_different = $true # If the reference value and the difference value are not null, then compare the values } ElseIf ($null -ne $reference_value -and $null -ne $difference_value) { # If the reference value and the difference value are arrays, then compare the arrays if ($reference_value -is [array] -and $difference_value -is [array]) { # If the arrays are different, then the policy has been modified if (Compare-Object $reference_value $difference_value) { $is_different = $true } # If the reference value and the difference value are not arrays, then compare the values } Elseif ($reference_value -ne $difference_value) { $is_different = $true } } # If the policy has been modified, then add the difference to the list if ($is_different) { $short_name = $property_name -split '\.' | Select-Object -Last 1 $obj = [ordered]@{} $obj['FullPath'] = $property_name $obj['PropertyName'] = $short_name $obj['OldValue'] = $reference_value $obj['NewValue'] = $difference_value $differences.Add([PSCustomObject]$obj) } } } End { # Return the differences $differences } } |