<?php

use App\Models\Advert;
use App\Models\Category;
use App\Models\Article;
use App\Models\Patent;

function getOneCategory($categoryId, $return = '')
{
    $category = Category::find($categoryId);
    if ($category) {
        if ($return) {
            return $category->{$return};
        }

        return $category;
    }

    return new Category;
}

/**
 * Notes: 获取文章分类详情
 * @Author: 玄尘
 * @Date  : 2020/9/10 13:21
 * @param        $categoryId
 * @param string $result
 * @return \App\Models\Article
 */
function getOneArticleBYCate($categoryId, $result = '')
{
    $info = Article::where('category_id', $categoryId)
                   ->latest('sort')
                   ->latest()
                   ->first();

    if ($info) {
        if ($result) {
            return $info->{$result};
        }

        return $info;
    } else {
        return '';
    }

    return new Article;
}

/**
 * Notes: 获取分类下的文章
 * @Author: 玄尘
 * @Date  : 2020/9/10 10:05
 * @param $categoryId
 * @param $take
 * @return \App\Models\Article
 */
function getArticlesBYCate($categoryId, $take)
{
    $articles = Article::where('category_id', $categoryId)
                       ->where('status', 1)
                       ->latest('sort')
                       ->latest()
                       ->take($take)
                       ->get();

    return $articles;
}

//获取子分类
function getCateChild($categoryId)
{
    return Category::where('status', 1)
                   ->where('parent_id', $categoryId)
                   ->orderBy('order', 'asc')
                   ->get();
}

//获取顶级分类
function getTopCate($categoryId)
{
    $parent = Category::find($categoryId);

    while ($parent->parent_id != 0) {
        $parent = $parent->parent;
    }

    return $parent;
}

//获取专利和论文
function getPatent($take, $type = '')
{
    return Patent::where('status', 1)
                 ->when($type, function ($q) use ($type) {
                     $q->where('type', $type);
                 })
                 ->get();

}

//获取一个图片
function getOneAdvert($category_id, $value = '')
{
    $info = Advert::where('category_id', $category_id)->first();
    if ($value) {
        return $info->{$value};
    }

    return $info;
}