Public/Remove-LMAlertRule.ps1

<#
.SYNOPSIS
Removes a LogicMonitor alert rule.

.DESCRIPTION
The Remove-LMAlertRule function removes a LogicMonitor alert rule based on the specified ID or name.

.PARAMETER Id
The ID of the alert rule to remove. This parameter is mandatory when using the 'Id' parameter set.

.PARAMETER Name
The name of the alert rule to remove. This parameter is mandatory when using the 'Name' parameter set.

.EXAMPLE
Remove-LMAlertRule -Id 123
Removes the alert rule with the ID 123.

.EXAMPLE
Remove-LMAlertRule -Name "MyAlertRule"
Removes the alert rule with the name "MyAlertRule".

.NOTES
This function requires a valid LogicMonitor API authentication. Make sure to log in using Connect-LMAccount before running this command.

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

.OUTPUTS
Returns a PSCustomObject containing the ID of the removed alert rule and a success message confirming the removal.
#>

Function Remove-LMAlertRule {

    [CmdletBinding(DefaultParameterSetName = 'Id',SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(Mandatory, ParameterSetName = 'Id', ValueFromPipelineByPropertyName)]
        [Int]$Id,

        [Parameter(Mandatory, ParameterSetName = 'Name')]
        [String]$Name
    )
    Begin {}
    Process {
        #Check if we are logged in and have valid api creds
        If ($Script:LMAuth.Valid) {

            #Lookup Id if supplying name
            If ($Name) {
                $LookupResult = (Get-LMAlertRule -Name $Name).Id
                If (Test-LookupResult -Result $LookupResult -LookupString $Name) {
                    return
                }
                $Id = $LookupResult
            }

            If($PSItem){
                $Message = "Id: $Id | Name: $($PSItem.name)"
            }
            ElseIf($Name){
                $Message = "Id: $Id | Name: $Name"
            }
            Else{
                $Message = "Id: $Id"
            }
            
            #Build header and uri
            $ResourcePath = "/setting/alert/rules/$Id"

            Try {
                If ($PSCmdlet.ShouldProcess($Message, "Remove Alert Rule")) {                    
                    $Headers = New-LMHeader -Auth $Script:LMAuth -Method "DELETE" -ResourcePath $ResourcePath
                    $Uri = "https://$($Script:LMAuth.Portal).logicmonitor.com/santaba/rest" + $ResourcePath
    
                    Resolve-LMDebugInfo -Url $Uri -Headers $Headers[0] -Command $MyInvocation

                    #Issue request
                    $Response = Invoke-RestMethod -Uri $Uri -Method "DELETE" -Headers $Headers[0] -WebSession $Headers[1]
                    
                    $Result = [PSCustomObject]@{
                        Id = $Id
                        Message = "Successfully removed ($Message)"
                    }
                    
                    Return $Result
                }
            }
            Catch [Exception] {
                $Proceed = Resolve-LMException -LMException $PSItem
                If (!$Proceed) {
                    Return
                }
            }
        }
        Else {
            Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again."
        }
    }
    End {}
}