Public/Get-DuneUser.ps1

function Get-DuneUser {
    <#
        .SYNOPSIS
        Queries Dune user
    #>

    [CmdletBinding(DefaultParameterSetName = "Default")]
    param (
        [Parameter(ParameterSetName = "Id")]
        [int]$Id,

        [Parameter(ParameterSetName = "StringFilters")]
        [string]$FirstName,

        [Parameter(ParameterSetName = "StringFilters")]
        [string]$LastName,

        [Parameter(ParameterSetName = "StringFilters")]
        [string]$Email,

        [Parameter()]
        [switch]$Raw,

        [Parameter()]
        [switch]$IncludeDeleted
    )

    begin {
        Write-Debug "$($MyInvocation.MyCommand)|begin"
        $ReturnObjects = @()
        $ProcessedUrls = @()
        $BaseUri = "authentication/users"
        $Method = "GET"
    }
    process {
        Write-Debug "$($MyInvocation.MyCommand)|process|$($PSCmdlet.ParameterSetName)"

        # Build Uri
        $Uri = switch ($PSCmdlet.ParameterSetName) {
            'Id' { '{0}?Id={1}' -f $BaseUri, $Id }
            Default { $BaseUri }
        }
        if ($FirstName) {
            $Uri = $Uri | Add-UriQueryParam "FirstNameILike=$FirstName" -ConvertWildcards
        }
        if ($LastName) {
            $Uri = $Uri | Add-UriQueryParam "LastNameILike=$LastName" -ConvertWildcards
        }
        if ($Email) {
            $Uri = $Uri | Add-UriQueryParam "EmailILike=$Email" -ConvertWildcards
        }
        if ($IncludeDeleted) {
            $Uri = $Uri | Add-UriQueryParam "IncludeDeleted=1"
        }

        # ApiCall and Object conversion
        if ($ProcessedUrls -notcontains $Uri) {
            try {
                $Response = Invoke-DuneApiRequest -Uri $Uri -Method $Method -ErrorAction Continue
                $Results = if ($Response.Content) { $Response.Content | ConvertFrom-Json }
                $ReturnObjects += $Results.items | ForEach-Object {
                    if ($Raw) {
                        $_
                    }
                    else {
                        ConvertTo-DuneClassObject -Class DuneUser -InputObject $_
                    }
                }
            }
            catch {
                throw $_
            }
        }
        else {
            Write-Debug "$($MyInvocation.MyCommand)|process|ApiCall Cache hit: DuneApiRequest for $Uri already invoked"
        }
    }
    end {
        Write-Debug "$($MyInvocation.MyCommand)|end"
        return $ReturnObjects
    }
}