<?php

namespace App\Http\Controllers;

use App\Models\Articles;
use Illuminate\Http\Response;

class SitemapController extends Controller
{
    public function index(): Response
    {
        // 连表查询分类：按 aOpt['noindexday'] 动态过滤过期文章
        $cArticles = Articles::where('iStatus', 1)
            ->whereHas('oCategory', function ($q) {
                $q->where(function ($query) {
                    // 1. 没有配置 noindexday，或者 noindexday = 0 的文章，一直保留
                    $query->whereNull('aOpt')
                          ->orWhereRaw("JSON_UNQUOTE(JSON_EXTRACT(aOpt, '$.noindexday')) IS NULL")
                          ->orWhereRaw("JSON_UNQUOTE(JSON_EXTRACT(aOpt, '$.noindexday')) = '0'")
                          // 2. 配置了天数的，只取 N 天内创建的新文章
                          ->orWhereRaw("articles.created_at >= NOW() - INTERVAL CAST(JSON_UNQUOTE(JSON_EXTRACT(aOpt, '$.noindexday')) AS UNSIGNED) DAY");
                });
            })
            ->orderBy('created_at', 'desc')
            ->get();

        $sXmlContent = view('sitemap', [
            'cArticles' => $cArticles
        ])->render();

        return response($sXmlContent, 200)->header('Content-Type', 'text/xml');
    }
}