<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Api;

use App\Models\ArticleCateModel;
use App\Models\ArticleModel;
use App\Services\BaseService;
use App\Services\ConfigService;
use App\Services\RedisService;

/**
 * 文章-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * @package App\Services\Api
 */
class ArticleService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     */
    public function __construct()
    {
        $this->model = new ArticleModel();
    }

    /**
     * 静态入口
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = new static();
        }
        return self::$instance;
    }

    /**
     * 信息
     * @param int $num
     * @return array|mixed
     */
    public function getInfoByType($type)
    {
        $cacheKey = "caches:article:info_{$type}";
        $datas = RedisService::get($cacheKey);
        if($datas){
            return $datas;
        }

        $datas =  $this->model->where(['type'=>$type,'status'=>1,'mark'=>1])
            ->select(['id','title','type','content','status'])
            ->orderBy('create_time','desc')
            ->first();
        $datas = $datas? $datas->toArray() : [];
        if($datas){
            $datas['content'] = preg_replace("/\n+/",'<br/>',$datas['content']);
            $datas['content'] = get_format_content($datas['content']);
            RedisService::set($cacheKey, $datas,   86400);
        }

        return $datas;
    }

    /**
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($params, $pageSize = 15)
    {
        $query = $this->getQuery($params);
        $list = $query->select(['a.id','a.type','a.title','a.cover','a.views','a.create_time','a.content','a.status'])
            ->orderBy('a.create_time','desc')
            ->paginate($pageSize > 0 ? $pageSize : 9999999);
        $list = $list? $list->toArray() :[];
        if($list){
            foreach($list['data'] as &$item){
                $item['create_time'] = $item['create_time']? datetime($item['create_time'],'Y-m-d H.i.s') : '';
                $item['cover'] = $item['cover']? get_image_url($item['cover']) : '';
                $item['content'] = $item['content']? get_format_content($item['content']) : '';
            }
        }

        return [
            'pageSize'=> $pageSize,
            'total'=>isset($list['total'])? $list['total'] : 0,
            'list'=> isset($list['data'])? $list['data'] : []
        ];
    }

    /**
     * 查询
     * @param $params
     * @return mixed
     */
    public function getQuery($params)
    {
        $where = ['a.mark' => 1];
        $status = isset($params['status'])? $params['status'] : 0;
        $type = isset($params['type'])? $params['type'] : 0;
        if($status>0){
            $where['a.status'] = $status;
        }
        if($type>0){
            $where['a.type'] = $type;
        }

        return $this->model->from('article as a')
            ->where($where)
            ->where(function ($query) use($params){
                $keyword = isset($params['keyword'])? $params['keyword'] : '';
                if($keyword){
                    $query->where('a.title','like',"%{$keyword}%");
                }

            });
    }

    /**
     * 获取文章详情
     * @param $id
     * @return array|mixed
     */
    public function getInfo($id)
    {
        $cacheKey = "caches:articles:info_{$id}";
        $info = RedisService::get($cacheKey);
        if($info){
            return $info;
        }

        $info = $this->model->where(['id'=> $id,'status'=>1,'mark'=>1])
            ->select(['id','title','cover','views','create_time','type','content'])
            ->first();
        $info = $info? $info->toArray() : [];
        if($info){
            $info['create_time'] = $info['create_time']? datetime($info['create_time'],'Y-m-d H.i.s') : '';
            $info['cover'] = get_image_url($info['cover']);
            $info['content'] = get_format_content($info['content']);
            $this->model->where(['id'=> $id])->increment('views',1);
            $info['views'] += intval($info['views']);
            RedisService::set($cacheKey, $info, rand(3600,7200));
        }

        return $info;
    }

    /**
     * 获取分类文章推荐
     * @param int $cateId 推荐分类ID
     * @param int $type 类别：3-普通文章，4-客服回复
     * @return array|mixed
     */
    public function getCustomRecommend($cateId=0, $type=4)
    {
        $cacheKey = "caches:articles:list_{$cateId}";
        $datas = RedisService::get($cacheKey);
        if($datas){
            return $datas;
        }

        $limitNum = ConfigService::make()->getConfigByCode('custom_recommend_num', 6);
        $limitNum = $limitNum? $limitNum : 6;
        $datas = ArticleCateModel::where(function($query) use($cateId){
                if($cateId){
                    $query->where('cate_id', $cateId);
                }
            })->where(['type'=>$type,'status'=>1,'mark'=>1])
            ->select(['id','cate_id','title','description','sort','type','status'])
            ->limit($limitNum)
            ->orderBy('sort','desc')
            ->orderBy('create_time','desc')
            ->get();
        $datas = $datas? $datas->toArray() : [];
        if($datas){
            RedisService::set($cacheKey, $datas, rand(300,600));
        }

        return $datas;
    }

    /**
     * 获取文章推荐分类
     * @param int $type 1-普通文章分类，2-客服回复文章分类
     * @return array|mixed
     */
    public function getCateList($type=2)
    {
        $cacheKey = "caches:articles:cateList_{$type}";
        $datas = RedisService::get($cacheKey);
        if($datas){
            return $datas;
        }

        $limitNum = ConfigService::make()->getConfigByCode('custom_cate_num', 6);
        $limitNum = $limitNum? $limitNum : 6;
        $datas = ArticleCateModel::where(['type'=> $type,'status'=>1,'mark'=>1])
            ->select(['cate_id','name','sort','type'])
            ->limit($limitNum)
            ->get();
        $datas = $datas? $datas->toArray() : [];
        if($datas){
            RedisService::set($cacheKey, $datas, rand(300,600));
        }

        return $datas;
    }
}