Public/Get-NCFilters.ps1

<#
.SYNOPSIS
Retrieves device filters from the N-central API.

.DESCRIPTION
Calls `/api/device-filters`. Supports `-All` auto-pagination.

.PARAMETER ViewScope
ALL or OWN_AND_USED. Default ALL.

.EXAMPLE
Get-NCFilters -All
#>

function Get-NCFilters {
    [CmdletBinding(DefaultParameterSetName = 'Page')]
    [OutputType([pscustomobject])]
    param (
        [ValidateSet('ALL', 'OWN_AND_USED')]
        [string]$ViewScope = 'ALL',

        [Parameter(ParameterSetName = 'All')]
        [switch]$All,

        [Parameter(ParameterSetName = 'Page')]
        [int]$PageNumber,

        [Parameter(ParameterSetName = 'Page')]
        [int]$PageSize,

        [string]$Select,
        [string]$SortBy,
        [ValidateSet('asc', 'desc')]
        [string]$SortOrder = 'asc'
    )

    begin { $api = Get-NCRestApiInstance }

    process {
        $endpoint = 'api/device-filters'

        $queryParameters = @{}
        if ($ViewScope -and $ViewScope -ne 'ALL')   { $queryParameters['viewScope'] = $ViewScope }
        Add-NCCommonQuery -Parameters $queryParameters -Select $Select -SortBy $SortBy -SortOrder $SortOrder

        if ($All) {
            return Invoke-NCPagedRequest -Endpoint $endpoint -QueryParameters $queryParameters
        }

        if ($PageNumber) { $queryParameters['pageNumber'] = $PageNumber }
        if ($PageSize)   { $queryParameters['pageSize']   = $PageSize } else { $queryParameters['pageSize'] = 500 }

        $endpoint += ConvertTo-NCQueryString -Parameters $queryParameters
        Write-Verbose "[FUNCTION] Get-NCFilters: $endpoint"
        $api.Get($endpoint)
    }
}