Public/Get-LMCollectorVersion.ps1

<#
.SYNOPSIS
Retrieves available LogicMonitor collector versions.

.DESCRIPTION
The Get-LMCollectorVersions function retrieves information about available LogicMonitor collector versions. It can return all versions, top versions only, or versions filtered by specific criteria.

.PARAMETER Filter
A filter object to apply when retrieving collector versions. This parameter is part of a mutually exclusive parameter set.

.PARAMETER TopVersions
Switch to retrieve only the top versions of collectors. This parameter is part of a mutually exclusive parameter set.

.PARAMETER BatchSize
The number of results to return per request. Must be between 1 and 1000. Defaults to 1000.

.EXAMPLE
#Retrieve all collector versions
Get-LMCollectorVersions

.EXAMPLE
#Retrieve only top versions
Get-LMCollectorVersions -TopVersions

.NOTES
You must run Connect-LMAccount before running this command.

.INPUTS
None. You cannot pipe objects to this command.

.OUTPUTS
Returns an array of collector version objects.
#>

function Get-LMCollectorVersion {

    [CmdletBinding(DefaultParameterSetName = 'All')]
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '', Justification = 'Required for the TopVersions to work')]

    param (
        [Parameter(ParameterSetName = 'Filter')]
        [Object]$Filter,

        [Parameter(ParameterSetName = 'Top')]
        [Switch]$TopVersions,

        [ValidateRange(1, 1000)]
        [Int]$BatchSize = 1000
    )
    #Check if we are logged in and have valid api creds
    if ($Script:LMAuth.Valid) {

        #Build header and uri
        $ResourcePath = "/setting/collector/collectors/versions"
        $ParameterSetName = $PSCmdlet.ParameterSetName
        $CallerPSCmdlet = $PSCmdlet

        $Results = Invoke-LMPaginatedGet -BatchSize $BatchSize -InvokeRequest {
            param($Offset, $PageSize)

            $RequestResourcePath = $ResourcePath
            $QueryParams = ""

            switch ($ParameterSetName) {
                "All" { $QueryParams = "?size=$PageSize&offset=$Offset&sort=+id" }
                "Top" { $QueryParams = "?topVersions=true&size=$PageSize&offset=$Offset&sort=+id" }
                "Filter" {
                    $ValidFilter = Format-LMFilter -Filter $Filter -ResourcePath $ResourcePath
                    $QueryParams = "?filter=$ValidFilter&size=$PageSize&offset=$Offset&sort=+id"
                }
            }

            $Headers = New-LMHeader -Auth $Script:LMAuth -Method "GET" -ResourcePath $RequestResourcePath
            $Uri = "https://$($Script:LMAuth.Portal).$(Get-LMPortalURI)" + $RequestResourcePath + $QueryParams

            Resolve-LMDebugInfo -Url $Uri -Headers $Headers[0] -Command $MyInvocation

            $Response = Invoke-LMRestMethod -CallerPSCmdlet $CallerPSCmdlet -Uri $Uri -Method "GET" -Headers $Headers[0] -WebSession $Headers[1]
            if ($null -eq $Response) {
                return $null
            }

            return $Response
        }

        if ($null -eq $Results) {
            return
        }

        return $Results
    }
    else {
        Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again."
    }
}