<?php

namespace App\Http\Controllers;

use App\Models\Article;
use App\Models\Category;
use Illuminate\Http\Request;

class ArticleController extends Controller
{

    //文章列表
    public function index(Category $category)
    {
        $articles = Article::ByCategory($category->id)
                           ->where('status', 1)
                           ->orderBy('created_at', 'desc')
                           ->paginate(5);

        return view('articles.index', compact('articles', 'category'));
    }

    //显示详情
    public function show(Article $article)
    {
        if ($article->url) {
            return redirect($article->url);
        }

        $next = Article::where('id', '>', $article->id)
                       ->ByCategory($article->categories()->pluck('id'))
                       ->where('status', 1)
                       ->first();

        return view('articles.show', compact('article', 'next'));
    }

    //搜索
    public function search(Request $request)
    {
        $title    = $request->title;
        $articles = Article::where('status', 1)
                           ->when($title, function ($q) use ($title) {
                               $q->where('title', 'like', "%{$title}%");
                           })
                           ->paginate();

        return view('articles.search', compact('articles'));

    }

}