<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2099 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( https://opensource.org/licenses/mit-license.php )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace app\service;

use think\facade\Db;
use app\service\SystemService;
use app\service\ResourcesService;

/**
 * 文章服务层
 * @author   Devil
 * @blog     http://gong.gg/
 * @version  0.0.1
 * @datetime 2016-12-01T21:51:08+0800
 */
class ArticleService
{
    /**
     * 首页展示列表
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-07-23
     * @desc    description
     * @param   [array]           $params [输入参数]
     */
    public static function HomeArticleList($params = [])
    {
        // 从缓存获取
        $key = SystemService::CacheKey('shopxo.cache_home_article_list_key');
        $data = MyCache($key);
        if($data === null || MyEnv('app_debug'))
        {
            // 文章
            $params = [
                'where' => ['is_enable'=>1, 'is_home_recommended'=>1],
                'field' => 'id,title,title_color,article_category_id',
                'm' => 0,
                'n' => 9,
            ];
            $ret = self::ArticleList($params);
            $data = empty($ret['data']) ? [] : $ret['data'];

            // 存储缓存
            MyCache($key, $data, 180);
        } else {
            // 处理数据、由于平台不一样url地址或者其他数据也会不一样
            $data = self::DataHandle($data);
        }
        return $data;
    }

    /**
     * 获取文章列表
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-08-29
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleList($params)
    {
        $where = empty($params['where']) ? [] : $params['where'];
        $field = empty($params['field']) ? '*' : $params['field'];
        $order_by = empty($params['order_by']) ? 'id desc' : trim($params['order_by']);
        $m = isset($params['m']) ? intval($params['m']) : 0;
        $n = isset($params['n']) ? intval($params['n']) : 10;

        $data = Db::name('Article')->field($field)->where($where)->order($order_by)->limit($m, $n)->select()->toArray();
        return DataReturn('处理成功', 0, self::DataHandle($data));
    }

    /**
     * 数据处理
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-11-09
     * @desc    description
     * @param   [array]          $data [文章数据]
     */
    public static function DataHandle($data)
    {
        if(!empty($data))
        {
            // 字段列表
            $keys = ArrayKeys($data);

            // 分类名称
            if(in_array('article_category_id', $keys))
            {
                $category_names = Db::name('ArticleCategory')->where(['id'=>array_column($data, 'article_category_id')])->column('name', 'id');
            }

            foreach($data as &$v)
            {
                // url
                $v['url'] = (APPLICATION == 'web') ? MyUrl('index/article/index', ['id'=>$v['id']]) : '/pages/article-detail/article-detail?id='.$v['id'];

                // 分类名称
                if(isset($v['article_category_id']))
                {
                    $v['article_category_name'] = (!empty($category_names) && isset($category_names[$v['article_category_id']])) ? $category_names[$v['article_category_id']] : '';
                    $v['category_url'] = (APPLICATION == 'web') ? MyUrl('index/article/category', ['id'=>$v['article_category_id']]) : '/pages/article-category/article-category?id='.$v['article_category_id'];
                }

                // 内容
                if(isset($v['content']))
                {
                    $v['content'] = ResourcesService::ContentStaticReplace($v['content'], 'get');
                }

                // 图片
                if(isset($v['images']))
                {
                    if(!empty($v['images']))
                    {
                        $images = json_decode($v['images'], true);
                        foreach($images as &$img)
                        {
                            $img = ResourcesService::AttachmentPathViewHandle($img);
                        }
                        $v['images'] = $images;
                    }
                }

                // 时间
                if(isset($v['add_time']))
                {
                    $v['add_time'] = date('Y-m-d H:i:s', $v['add_time']);
                }
                if(isset($v['upd_time']))
                {
                    $v['upd_time'] = empty($v['upd_time']) ? '' : date('Y-m-d H:i:s', $v['upd_time']);
                }
            }
        }
        return $data;
    }

    /**
     * 文章总数
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  0.0.1
     * @datetime 2016-12-10T22:16:29+0800
     * @param    [array]          $where [条件]
     */
    public static function ArticleTotal($where)
    {
        return (int) Db::name('Article')->where($where)->count();
    }

    /**
     * 条件
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-11-08
     * @desc    description
     * @param   [array]           $params [输入参数]
     */
    public static function ArticleWhere($params = [])
    {
        // 默认条件
        $where = [
            ['is_enable', '=', 1],
        ];

        // 分类id
        if(!empty($params['id']))
        {
            $where[] = ['article_category_id', '=', intval($params['id'])];
        }

        return $where;
    }

    /**
     * 文章保存
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-12-18
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleSave($params = [])
    {
        // 请求类型
        $p = [
            [
                'checked_type'      => 'length',
                'key_name'          => 'title',
                'checked_data'      => '2,60',
                'error_msg'         => '标题长度 2~60 个字符',
            ],
            [
                'checked_type'      => 'empty',
                'key_name'          => 'article_category_id',
                'error_msg'         => '请选择文章分类',
            ],
            [
                'checked_type'      => 'fun',
                'key_name'          => 'jump_url',
                'checked_data'      => 'CheckUrl',
                'is_checked'        => 1,
                'error_msg'         => '跳转url地址格式有误',
            ],
            [
                'checked_type'      => 'length',
                'key_name'          => 'content',
                'checked_data'      => '10,105000',
                'error_msg'         => '内容 10~105000 个字符',
            ],
            [
                'checked_type'      => 'length',
                'key_name'          => 'seo_title',
                'checked_data'      => '100',
                'is_checked'        => 1,
                'error_msg'         => 'SEO标题格式 最多100个字符',
            ],
            [
                'checked_type'      => 'length',
                'key_name'          => 'seo_keywords',
                'checked_data'      => '130',
                'is_checked'        => 1,
                'error_msg'         => 'SEO关键字格式 最多130个字符',
            ],
            [
                'checked_type'      => 'length',
                'key_name'          => 'seo_desc',
                'checked_data'      => '230',
                'is_checked'        => 1,
                'error_msg'         => 'SEO描述格式 最多230个字符',
            ],
        ];
        $ret = ParamsChecked($params, $p);
        if($ret !== true)
        {
            return DataReturn($ret, -1);
        }

        // 编辑器内容
        $content = empty($params['content']) ? '' : ResourcesService::ContentStaticReplace(htmlspecialchars_decode($params['content']), 'add');

        // 数据
        $images = ResourcesService::RichTextMatchContentAttachment($content, 'article');
        $data = [
            'title'                 => $params['title'],
            'title_color'           => empty($params['title_color']) ? '' : $params['title_color'],
            'article_category_id'   => intval($params['article_category_id']),
            'jump_url'              => empty($params['jump_url']) ? '' : $params['jump_url'],
            'content'               => $content,
            'images'                => empty($images) ? '' : json_encode($images),
            'images_count'          => count($images),
            'is_enable'             => isset($params['is_enable']) ? intval($params['is_enable']) : 0,
            'is_home_recommended'   => isset($params['is_home_recommended']) ? intval($params['is_home_recommended']) : 0,
            'seo_title'             => empty($params['seo_title']) ? '' : $params['seo_title'],
            'seo_keywords'          => empty($params['seo_keywords']) ? '' : $params['seo_keywords'],
            'seo_desc'              => empty($params['seo_desc']) ? '' : $params['seo_desc'],
        ];

        // 文章保存处理钩子
        $hook_name = 'plugins_service_article_save_handle';
        $ret = EventReturnHandle(MyEventTrigger($hook_name, [
            'hook_name'     => $hook_name,
            'is_backend'    => true,
            'params'        => &$params,
            'data'          => &$data,
            'article_id'    => isset($params['id']) ? intval($params['id']) : 0,
        ]));
        if(isset($ret['code']) && $ret['code'] != 0)
        {
            return $ret;
        }

        if(empty($params['id']))
        {
            $data['add_time'] = time();
            if(Db::name('Article')->insertGetId($data) > 0)
            {
                return DataReturn('添加成功', 0);
            }
            return DataReturn('添加失败', -100);
        } else {
            $data['upd_time'] = time();
            if(Db::name('Article')->where(['id'=>intval($params['id'])])->update($data))
            {
                return DataReturn('编辑成功', 0);
            }
            return DataReturn('编辑失败', -100); 
        }
    }

    /**
     * 文章访问统计加1
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-10-15
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleAccessCountInc($params = [])
    {
        if(!empty($params['id']))
        {
            return Db::name('Article')->where(array('id'=>intval($params['id'])))->inc('access_count')->update();
        }
        return false;
    }

    /**
     * 文章分类
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-08-29
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleCategoryList($params = [])
    {
        $field = empty($params['field']) ? '*' : $params['field'];
        $order_by = empty($params['order_by']) ? 'sort asc' : trim($params['order_by']);
        $data = Db::name('ArticleCategory')->where(['is_enable'=>1])->field($field)->order($order_by)->select()->toArray();
        return DataReturn('处理成功', 0, self::CategoryDataHandle($data));
    }

    /**
     * 分类处理
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-11-08
     * @desc    description
     * @param   [array]          $data [分类数据]
     */
    public static function CategoryDataHandle($data)
    {
        if(!empty($data))
        {
            foreach($data as &$v)
            {
                $v['url'] = (APPLICATION == 'web') ? MyUrl('index/article/category', ['id'=>$v['id']]) : '/pages/article-category/article-category?id='.$v['id'];
            }
        }
        return $data;
    }

    /**
     * 获取分类信息
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-11-08
     * @desc    description
     * @param   [array]           $params [输入参数]
     * @param   [array]           $data   [指定分类数据列表]
     */
    public static function ArticleCategoryInfo($params = [], $data = [])
    {
        // 数据不存在则读取
        if(!empty($params['id']))
        {
            if(empty($data))
            {
                $data = Db::name('ArticleCategory')->where(['is_enable'=>1,'id'=>intval($params['id'])])->field('*')->order('sort asc')->select()->toArray();
            } else {
                $temp = array_column($data, null, 'id');
                $data = array_key_exists($params['id'], $temp) ? [$temp[$params['id']]] : [];
            }
        } else {
            $data = [];
        }
        $data = self::CategoryDataHandle($data);
        return (empty($data) || empty($data[0])) ? null : $data[0];
    }

    /**
     * 删除
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-12-18
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleDelete($params = [])
    {
        // 参数是否有误
        if(empty($params['ids']))
        {
            return DataReturn('商品id有误', -1);
        }
        // 是否数组
        if(!is_array($params['ids']))
        {
            $params['ids'] = explode(',', $params['ids']);
        }

        // 删除操作
        if(Db::name('Article')->where(['id'=>$params['ids']])->delete())
        {
            return DataReturn('删除成功');
        }

        return DataReturn('删除失败', -100);
    }

    /**
     * 状态更新
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  0.0.1
     * @datetime 2016-12-06T21:31:53+0800
     * @param    [array]          $params [输入参数]
     */
    public static function ArticleStatusUpdate($params = [])
    {
        // 请求参数
        $p = [
            [
                'checked_type'      => 'empty',
                'key_name'          => 'id',
                'error_msg'         => '操作id有误',
            ],
            [
                'checked_type'      => 'empty',
                'key_name'          => 'field',
                'error_msg'         => '操作字段有误',
            ],
            [
                'checked_type'      => 'in',
                'key_name'          => 'state',
                'checked_data'      => [0,1],
                'error_msg'         => '状态有误',
            ],
        ];
        $ret = ParamsChecked($params, $p);
        if($ret !== true)
        {
            return DataReturn($ret, -1);
        }

        // 数据更新
        if(Db::name('Article')->where(['id'=>intval($params['id'])])->update([$params['field']=>intval($params['state']), 'upd_time'=>time()]))
        {
            return DataReturn('编辑成功');
        }
        return DataReturn('编辑失败', -100);
    }

    /**
     * 获取文章分类节点数据
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  1.0.0
     * @datetime 2018-12-16T23:54:46+0800
     * @param    [array]          $params [输入参数]
     */
    public static function ArticleCategoryNodeSon($params = [])
    {
        // id
        $id = isset($params['id']) ? intval($params['id']) : 0;

        // 获取数据
        $field = '*';
        $data = Db::name('ArticleCategory')->field($field)->where(['pid'=>$id])->order('sort asc')->select()->toArray();
        if(!empty($data))
        {
            foreach($data as &$v)
            {
                $v['is_son']            =   (Db::name('ArticleCategory')->where(['pid'=>$v['id']])->count() > 0) ? 'ok' : 'no';
                $v['json']              =   json_encode($v);
            }
            return DataReturn('操作成功', 0, $data);
        }
        return DataReturn('没有相关数据', -100);
    }

    /**
     * 文章分类保存
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  1.0.0
     * @datetime 2018-12-17T01:04:03+0800
     * @param    [array]          $params [输入参数]
     */
    public static function ArticleCategorySave($params = [])
    {
        // 请求参数
        $p = [
            [
                'checked_type'      => 'length',
                'key_name'          => 'name',
                'checked_data'      => '2,16',
                'error_msg'         => '名称格式 2~16 个字符',
            ],
        ];
        $ret = ParamsChecked($params, $p);
        if($ret !== true)
        {
            return DataReturn($ret, -1);
        }

        // 数据
        $data = [
            'name'                  => $params['name'],
            'pid'                   => isset($params['pid']) ? intval($params['pid']) : 0,
            'sort'                  => isset($params['sort']) ? intval($params['sort']) : 0,
            'is_enable'             => isset($params['is_enable']) ? intval($params['is_enable']) : 0,
        ];

        // 添加
        if(empty($params['id']))
        {
            $data['add_time'] = time();
            $data['id'] = Db::name('ArticleCategory')->insertGetId($data);
            if($data['id'] <= 0)
            {
                return DataReturn('添加失败', -100);
            }
            
        } else {
            $data['upd_time'] = time();
            if(Db::name('ArticleCategory')->where(['id'=>intval($params['id'])])->update($data) === false)
            {
                return DataReturn('编辑失败', -100);
            } else {
                $data['id'] = $params['id'];
            }
        }
        return DataReturn('操作成功', 0, json_encode($data));
    }

    /**
     * 文章分类删除
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  1.0.0
     * @datetime 2018-12-17T02:40:29+0800
     * @param    [array]          $params [输入参数]
     */
    public static function ArticleCategoryDelete($params = [])
    {
        // 请求参数
        $p = [
            [
                'checked_type'      => 'empty',
                'key_name'          => 'id',
                'error_msg'         => '删除数据id有误',
            ],
            [
                'checked_type'      => 'empty',
                'key_name'          => 'admin',
                'error_msg'         => '用户信息有误',
            ],
        ];
        $ret = ParamsChecked($params, $p);
        if($ret !== true)
        {
            return DataReturn($ret, -1);
        }

        // 开始删除
        if(Db::name('ArticleCategory')->where(['id'=>intval($params['id'])])->delete())
        {
            return DataReturn('删除成功', 0);
        }
        return DataReturn('删除失败', -100);
    }

    /**
     * 上一篇、下一篇数据
     * @author  Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2021-11-09
     * @desc    description
     * @param   [int]          $article_id [文章id]
     */
    public static function ArticleLastNextData($article_id)
    {
        // 指定字段
        $field = 'id,title,add_time';

        // 上一条数据
        $where = [
            ['is_enable', '=', 1],
            ['id', '<', $article_id],
        ];
        $last = self::DataHandle(Db::name('Article')->where($where)->field($field)->order('id desc')->limit(1)->select()->toArray());

        // 下一条数据
        $where = [
            ['is_enable', '=', 1],
            ['id', '>', $article_id],
        ];
        $next = self::DataHandle(Db::name('Article')->where($where)->field($field)->order('id asc')->limit(1)->select()->toArray());

        return [
            'last'  => empty($last) ? null : $last[0],
            'next'  => empty($next) ? null : $next[0],
        ];
    }

    /**
     * 获取分类和所有文章
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-10-19
     * @desc    description
     * @param   [array]          $params [输入参数]
     */
    public static function ArticleCategoryListContent($params = [])
    {
        $data = Db::name('ArticleCategory')->field('id,name')->where(['is_enable'=>1])->order('id asc, sort asc')->select()->toArray();
        if(!empty($data))
        {
            foreach($data as &$v)
            {
                $items = Db::name('Article')->field('id,title,title_color')->where(['article_category_id'=>$v['id'], 'is_enable'=>1])->select()->toArray();
                if(!empty($items))
                {
                    foreach($items as &$vs)
                    {
                        // url
                        $vs['url'] = (APPLICATION == 'web') ? MyUrl('index/article/index', ['id'=>$vs['id']]) : '/pages/article-detail/article-detail?id='.$vs['id'];
                    }
                }
                $v['items'] = $items;
            }
        }
        return DataReturn('处理成功', 0, $data);
    }
}
?>