Get-HeirloomIndex.ps1

function Get-HeirloomIndex
{
  <#
      .SYNOPSIS
      Retrieves the heirloom index from the World of Warcraft API.
   
      .DESCRIPTION
      The function fetches an index of all heirlooms available in World of Warcraft using the API. The function can return either a formatted list of heirlooms or the raw JSON response.
   
      .PARAMETER Raw
      Optional switch to return the raw JSON response from the API.
   
      .EXAMPLE
      Get-HeirloomIndex
      Retrieves a formatted list of all heirlooms.
   
      .EXAMPLE
      Get-HeirloomIndex -Raw
      Retrieves the raw JSON response of the heirloom index from the API.
   
      .NOTES
      This function requires the World of Warcraft API to be accessible and valid credentials to be configured in the global variables.
   
      .LINK
      https://develop.battle.net/documentation/world-of-warcraft/game-data-apis
  #>


  param(
    [Parameter(Position = 0, HelpMessage = 'Return raw JSON data.')]
    [Switch]$Raw
  )

  if(Test-WoWApiConnection)
  {
    $URL = '{0}data/wow/heirloom/index?namespace=static-{1}&locale={2}' -f $Global:WoWBaseURL, $Global:WoWRegion, $Global:WoWLocalization
  
    try 
    {
      $result = Invoke-RestMethod -Uri $URL -Headers $Global:WoWApiAuthHeader -TimeoutSec 5
      if($result -and $result.PSobject.Properties.name -contains 'heirlooms')
      {
        if($Raw)
        {
          return $result
        }
        else
        {
          Write-Verbose -Message 'This is a formatted result. To get the native result use the -Raw parameter.'
          
          return $result |
          Select-Object -ExpandProperty heirlooms |
          Sort-Object -Property id
        }
      }
    }
    catch 
    {
      $statusCode = $_.Exception.Response.StatusCode.value__
      $status = $_.Exception.Response.StatusCode
      Write-Verbose -Message ('Bad status code ({0}) {1}' -f $statusCode, $status)     
    }  
  }
}