Public/Get-GW2Stories.ps1

<#
    .SYNOPSIS
        Retrieves stories from the Guild Wars 2 API.
 
    .DESCRIPTION
        The Get-GW2Stories cmdlet retrieves information about stories in the Story Journal from the Guild Wars 2 API.
 
    .PARAMETER Ids
        The ID(s) of the stories to retrieve. Can be a single ID, an array of IDs, or "all".
 
    .PARAMETER Page
        The page number to retrieve.
 
    .PARAMETER PageSize
        The number of results per page.
 
    .PARAMETER Lang
        The language to return localized text in. Defaults to "en".
        Valid values: "en", "es", "de", "fr", "zh".
 
    .EXAMPLE
        Get-GW2Stories -Ids 1
        Retrieves information for the story with ID 1.
 
    .EXAMPLE
        Get-GW2Stories -Ids "all"
        Retrieves information for all stories.
 
    .NOTES
        API Endpoint: /v2/stories
    #>

function Get-GW2Stories {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $false)]
        [string[]]$Ids,

        [Parameter(Mandatory = $false)]
        [int]$Page,

        [Parameter(Mandatory = $false)]
        [int]$PageSize,

        [Parameter(Mandatory = $false)]
        [ValidateSet("en", "es", "de", "fr", "zh")]
        [string]$Lang
    )

    $Uri = "https://api.guildwars2.com/v2/stories"
    
    if ($Ids) {
        $Uri += "?ids=" + ($Ids -join ",")
    }

    if ($Page) {
        $Uri += "&page=$Page"
    }

    if ($PageSize) {
        $Uri += "&page_size=$PageSize"
    }

    if ($Lang) {
        $Uri += "&lang=$Lang"
    }

    try {
        Invoke-RestMethod -Uri $Uri -Method Get
    }
    catch {
        Write-Error "Failed to retrieve stories: $_"
    }
}