<?php

namespace app\model;

class Article extends Base
{


    //获取最高访问的文章列表
    public static function getMostVisited($limit = 5)
    {
        if ($limit <= 0) {
            $limit = 5;
        }
        return self::order('views', 'desc')
            ->limit($limit)
            ->select()
            ->toArray();
    }

    //获取栏目下最新记录
    public static function getLatestByCategory($categoryId, $limit = 5)
    {
        if (empty($categoryId)) {
            return [];
        }
        if ($limit <= 0) {
            $limit = 5;
        }
        return self::where('category_id', $categoryId)
            ->order('create_time', 'desc')
            ->limit($limit)
            ->select()
            ->toArray();
    }

    //根据文章ID和栏目ID获取下一篇文章
    public static function getNextArticleByIdAndCategoryId($id, $categoryId)
    {
        return self::where('id', '<', $id)
            ->where('category_id', $categoryId)
            ->where('status', 1)
            ->order('sort desc')
            ->findOrEmpty()
            ->toArray();
    }

    //根据文章ID和栏目ID获取上一篇文章
    public static function getPrevArticleByIdAndCategoryId($id, $categoryId)
    {
        return self::where('id', '>', $id)
            ->where('category_id', $categoryId)
            ->where('status', 1)
            ->order('sort asc')
            ->findOrEmpty()
            ->toArray();
    }

    //根据栏目ID获取文章列表
    public static function getListByCategory($categoryId, $limit = 10)
    {
        return self::where('category_id', $categoryId)
            ->where('status', 1)
            ->order("sort desc")
            ->limit($limit)
            ->select()
            ->toArray();
    }

    //根据栏目ID获取文章列表
    public static function getListByCategoryTop($categoryId, $limit = 10)
    {
        $where = [
            ["category_id", "=", $categoryId],
            ["status", "=", 1],
            ["top", "=", 1],
        ];
        return self::where($where)
            ->order("sort desc")
            ->limit($limit)
            ->select()
            ->toArray();
    }

    public static function getNewsAllList($pageSize)
    {
        $where = [
            ["category_id", "in", self::newsChildrenIds]
        ];
        return self::where($where)
            ->order("sort desc")
            ->paginate($pageSize, false);
    }

    //根据栏目ID获取文章分页列表
    public static function getListPageByCategory($categoryId, $per = 20, $keyword = '')
    {
        $where = [
            ['category_id', '=', $categoryId],
            ['status', '=', 1],
        ];
        $param['category_id'] = $categoryId;
        if ($keyword != '') {
            $where[] = ['title', 'like', '%' . $keyword . '%'];
            $param['keyword'] = $keyword;
        }
        $paginate = [
            'list_rows' => $per,
            'query' => $param
        ];
        return self::where($where)
            ->order("sort desc")
            ->paginate($paginate, false);
    }

    //根据栏目ID获取文章分页列表
    public static function getListCount($categoryId)
    {
        $where = [
            ['category_id', '=', $categoryId],
            ['status', '=', 1],
        ];
        $param['category_id'] = $categoryId;

        return self::where($where)
            ->order("sort desc")
            ->count();
    }

    public static function onAfterInsert($article)
    {
        $article->sort = $article->id;
        $article->create_time = $article->update_time = time();
        $auth = session('auth');
        $article->created = $article->updated = $auth['userName'];
        $article->save();
    }

    /**
     * 获取文章列表
     * @param $categoryId 分类ID
     * @param int $per 每页数量
     * @param string $keyword 关键词
     * @param array $param 文章类型：置顶、热门、推荐 ['top','hot','recommend']
     * @param int $status 文章状态，-1表示不限制
     * @return \think\Paginator
     * @throws \think\db\exception\DbException
     */
    public static function getList($categoryId, $per = 20, $keyword = '', $param = [], $recommend_flag = '')
    {
        $whereMap = [];
        $pageParam = [];
        if (is_numeric($categoryId) && $categoryId > 0) {
            $whereMap[] = ['category_id', '=', $categoryId];
            $pageParam['category_id'] = $categoryId;
        }
        if (!empty($keyword)) {
            $whereMap[] = ['title', 'like', '%' . $keyword . '%'];
            $pageParam['keyword'] = $keyword;
        }
        if (!empty($recommend_flag)) {
            $whereMap[] = ['recommend_flag', '=', $recommend_flag];
            $pageParam['recommend_flag'] = $recommend_flag;
        }
        if (is_array($param) && count($param) > 0) {
            $pageParam['param'] = $param;
            foreach ($param as $vo) {
                if (in_array($vo, ['top', 'hot', 'recommend'], true)) {
                    $whereMap[] = ["{$vo}", '=', 1];
                }
            }
        }
        $paginate = [
            'list_rows' => $per,
            'query' => $pageParam
        ];
        return self::when(count($whereMap) > 0, function ($query) use ($whereMap) {
            $query->where($whereMap);
        })
            ->order("sort desc")
            ->paginate($paginate, false);
    }

    //获取文章涉及到的图片
    public static function getFilesInUse()
    {
        $items = self::select()->toArray();
        $data = [];
        foreach ($items as $item) {
            $src = trim($item['src']);
            if (!empty($src)) {
                $key = getKeyByPath($src);
                $data[$key] = $src;
            }
            $imgs = getImageUrlFromText($item['content']);
            if (!empty($imgs)) {
                $data = array_merge($data, $imgs);
            }
            $videos = getVideoUrlFromText($item['content']);
            if (!empty($videos)) {
                $data = array_merge($data, $videos);
            }
        }
        return $data;
    }


    //获取文章
    public static function getFinancingArticle($category_id = 0, $recommend_flag = '', $limit = 2)
    {
        $where = [
            ["category_id", "=", $category_id],
            ["hot", "=", 1],
            ["status", "=", "1"],
        ];
        if (!empty($recommend_flag)) {
            $where[] = ["recommend_flag", "=", $recommend_flag];
        }
        return self::where($where)->limit($limit)->order("sort desc")->select()->toArray();
    }

    public static function getTopArticle($categoryId, $limit = 1)
    {
        $where = [
            ["top", "=", 1],
            ["status", "=", "1"],
        ];
        if (is_array($categoryId)) {
            $where[] = ["category_id", "in", $categoryId];
        } else {
            $where[] = ["category_id", "=", $categoryId];
        }
        return self::where($where)->limit($limit)->order("sort desc")->select()->toArray();
    }

    public function setImgsAttr($value)
    {
        return json_encode($value);
    }

//    ----------页面函数

}