PSADSync

1.2.83

Private/FindUserMatch.ps1

function FindUserMatch {
    [OutputType([pscustomobject])]
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [hashtable]$FieldMatchMap,

        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [object]$CsvUser,

        [Parameter()]
        [object[]]$AdUsers = $script:adUsers
    )
    $ErrorActionPreference = 'Stop'

    <# Possibilities
        $FieldMatchMap = @{
            @( { if ($_.'NICK_NAME') { 'NICK_NAME' } else { $_.'FIRST_NAME' }}, 'LAST_NAME' )
            @( 'givenName','surName' )
        }

        @($AdUsers).where({ $_.givenName -eq 'nick' -and $_.surName -eq 'last' })

        $FieldMatchMap = @{
            @( 'FIRST_NAME', 'LAST_NAME' )
            @( 'givenName', 'surName' )
        }

        @($AdUsers).where({ $_.givenName -eq 'first' -and $_.surName -eq 'last' })

        $CsvUser = [pscustomobject]@{
            NICK_NAME = 'nick'
            FIRST_NAME = 'first'
            LAST_NAME = 'last'
        }

    #>

    $whereFilterElements = @()

    ## TODO: Why is Select-Object necessary here?
    [string[]]$fieldVals = $FieldMatchmap.Values | Select-Object
    $fieldKeys = @()

    $i = 0
    $FieldMatchMap.Keys.foreach({
            ## @( { if ($_.'NICK_NAME') { 'NICK_NAME' } else { 'FIRST_NAME'} },'LAST_NAME')
    
            foreach ($k in $_) {
                if ($k -is 'scriptblock') {
                    ## { if ($_.'NICK_NAME') { 'NICK_NAME' } else { 'FIRST_NAME'} }

                    ## 'NICK_NAME'
                    $csvProp = EvaluateFieldCondition -Condition $k -CsvUser $CsvUser

                } else {
                    $csvProp = $k
                }
                $fieldKeys += $csvProp

                ## 'Joel'
                if ($value = $CsvUser.$csvProp) {
                    $adProp = $fieldVals[$i]

                    $whereFilterElements += '$_.{0} -eq "{1}"' -f $adProp, $value
                }
                $i++

            }
        })

    if (@($FieldMatchMap.Keys).Count -gt 1) {
        $whereFilter = [scriptblock]::Create($whereFilterElements -join ' -or ')
    } else {
        $whereFilter = [scriptblock]::Create($whereFilterElements -join ' -and ')
    }
    if ($adUserMatch = @($AdUsers).where($whereFilter)) {
        if (@($adUserMatch).Count -gt 1) {
            Write-Warning -Message 'More than one AD user found to match found. Skipping user...'
        } else {
            [pscustomobject]@{
                MatchedAdUser        = $adUserMatch
                CSVAttemptedMatchIds = ($fieldKeys -join ',')
                ADAttemptedMatchIds  = ($fieldVals -join ',')
            }
        }
        
    } else {
        Write-Verbose -Message 'No user match found for CSV user'
    }
}