<?php
/**
 * 易优CMS
 * ============================================================================
 * 版权所有 2016-2028 海南赞赞网络科技有限公司，并保留所有权利。
 * 网站地址: http://www.eyoucms.com
 * ----------------------------------------------------------------------------
 * 如果商业用途务必到官方购买正版授权, 以免引起不必要的法律纠纷.
 * ============================================================================
 * Author: 陈风任 <491085389@qq.com>
 * Date: 2021-04-27
 */

namespace app\common\model;

use think\Db;
use think\Model;

/**
 * mysql缓存表
 */
class SqlCacheTable extends Model
{
	//初始化
	protected function initialize()
	{
		// 需要调用`Model`的`initialize`方法
		parent::initialize();
	}

	// 更新已发布的正式缓存数据
	public function UpdateSqlCacheTable($post = [], $opt = '', $table = 'article', $users_release = false)
	{
		$attr = ['is_recom', 'is_special', 'is_b', 'is_head', 'is_litpic', 'is_jump', 'is_slide', 'is_roll', 'is_diyattr'];
		if ('add' == $opt) {
			// 添加时操作
			$SqlNameStr = '|' . $table . '|' . $post['channel'] . '|';
			$SqlName_1 = $SqlName_2 = [$SqlNameStr];
			foreach ($post as $key => $value) {
				// 处理属性条件，存在且选中则执行追加数组
				if (in_array($key, $attr) && !empty($value) && 1 == $value) array_push($SqlName_1, $SqlNameStr . $key . '|');
				// 处理栏目条件，查询当前栏目的父级栏目配合属性追加数组
				if (!empty($post['typeid']) && ('typeid' == $key || in_array($key, $attr))) {
					$AllPid = model('Arctype')->getAllPid($post['typeid']);
					$AllPid = get_arr_column($AllPid, 'id');
					if (!empty($AllPid)) {
						foreach ($AllPid as $vv) {
							array_push($SqlName_2, $SqlNameStr . $vv . '|');
							if (in_array($key, $attr) && !empty($value) && 1 == $value) {
								array_push($SqlName_2, $SqlNameStr . $key . '|' . $vv . '|');
							}
						}
					}
				}
			}
			// 合并两个数组 并 去除重复数据 再 重排键序
			$SqlName = array_merge(array_unique(array_merge($SqlName_1, $SqlName_2)), $this->ContentManageCache($post, $attr));

			// 会员投稿时，若设置了自动审核则调用，添加会员列表的数据
			if (!empty($users_release)) {
				$SqlName = array_merge($SqlName, $this->UsersReleaseSqlCache($post['users_id'], $post['typeid']));
			}

			if (!empty($SqlName)) {
				// 更新数据
				$Data = [
					'sql_result' => Db::raw('sql_result+1'),
					'update_time' => getTime()
				];
				// 执行更新
				Db::name('sql_cache_table')->where('sql_name', 'IN', $SqlName)->update($Data);
			}

		} else if ('edit' == $opt) {
			if ($post['arcrank'] > $post['old_arcrank'] && $post['old_arcrank'] == -1 && !empty($post['users_id'])) {
				// 将文章改为已审核文章
				$this->ReviewArticleHandle($post, $table, true);
			} else if ($post['old_arcrank'] > $post['arcrank'] && $post['arcrank'] == -1 && !empty($post['users_id'])) {
				// 将文章改为未审核文章
				$this->ReviewArticleHandle($post, $table, false);
			} else {
				// 编辑时操作
				$CutsDown = $Increase = $SqlName_1 = $SqlName_2 = $SqlName_3 = $SqlName_4 = $TypeID = [];
				foreach ($post['attr'] as $key => $value) {
					if (($post[$key] != $value && 0 == $post[$key]) || ($post['typeid'] != $post['attr']['typeid'])) {
						$SqlNameStr = '|' . $table . '|' . $post['channel'] . '|';
						// 已取消选择该属性，处理属性条件，存在且选中则执行追加数组
						if ($post[$key] != $value && 0 == $post[$key] && in_array($key, $attr)) {
							array_push($SqlName_1, $SqlNameStr . $key . '|');
						}
						if ($post['typeid'] != $post['attr']['typeid']) {
							$AllPid = [];
							if (!empty($post['old_typeid']) && !empty($users_release)) {
								$ArctypeModel = $this->GetArctypeModel($post['old_typeid']);
								$AllPid = $ArctypeModel['AllPid'];
								$SqlNameStr = $ArctypeModel['SqlNameStr'];
								array_push($SqlName_2, $SqlNameStr);
							} else {
								// 获取 typeid 的所有父级 typeid
								$AllPid = $this->GetAllPid($TypeID, $post['attr']['typeid']);
							}

							// 处理栏目条件，配合属性追加数组
							if (!empty($AllPid)) {
								foreach ($AllPid as $vvv) {
									array_push($SqlName_2, $SqlNameStr . $vvv . '|');
									if ($post[$key] != $value && 0 == $post[$key] && in_array($key, $attr)) {
										array_push($SqlName_2, $SqlNameStr . $key . '|' . $vvv . '|');
									}
								}
							}
						}
						$CutsDown = array_merge(array_unique(array_merge($SqlName_1, $SqlName_2)));
					}

					if (($post[$key] != $value && 1 == $post[$key]) || ($post['typeid'] != $post['attr']['typeid'])) {
						$SqlNameStr = '|' . $table . '|' . $post['channel'] . '|';
						// 已重新选择该属性，处理属性条件，存在且选中则执行追加数组
						if ($post[$key] != $value && 1 == $post[$key] && in_array($key, $attr)) {
							array_push($SqlName_3, $SqlNameStr . $key . '|');
						}
						if ($post['typeid'] != $post['attr']['typeid']) {
							// 前台投稿操作时执行处理
							if (!empty($post['old_typeid']) && !empty($users_release)) array_push($SqlName_4, $SqlNameStr);

							// 获取 typeid 的所有父级 typeid
							$AllPid = $this->GetAllPid($TypeID, $post['typeid']);

							// 处理栏目条件，配合属性追加数组
							if (!empty($AllPid)) {
								foreach ($AllPid as $vvv) {
									array_push($SqlName_4, $SqlNameStr . $vvv . '|');
									if ($post[$key] != $value && 1 == $post[$key] && in_array($key, $attr)) {
										array_push($SqlName_4, $SqlNameStr . $key . '|' . $vvv . '|');
									}
								}
							}
						}
						$Increase = array_merge(array_unique(array_merge($SqlName_3, $SqlName_4)));
					}
				}
				// 减少和增加指定缓存标识的缓存结果数据
				$this->CutsDownAndIncreaseSqlCacheTable($CutsDown, $Increase);
			}

		} else if ('del' == $opt) {
			// 删除时操作
			$SqlName_1 = $SqlName_2 = $TypeID = [];
			$post = array_merge($post);
			foreach ($post as $key => $value) {
				$SqlNameStr = '|' . $value['table'] . '|' . $value['channel'] . '|';
				array_push($SqlName_1, $SqlNameStr);
				$AllPid = [];
				foreach ($value as $kkk => $vvv) {
					// 处理属性条件，存在且选中则执行追加数组
					if (in_array($kkk, $attr) && !empty($vvv) && 1 == $vvv) array_push($SqlName_1, $SqlNameStr . $kkk . '|');
					// 查询当前栏目ID的父级栏目ID
					if ($kkk == 'typeid' && !empty($value['typeid'])) {
						// 获取 typeid 的所有父级 typeid
						$AllPid = $this->GetAllPid($TypeID, $value['typeid']);
					}
				}
				// 处理栏目条件，配合属性追加数组
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						array_push($SqlName_2, $SqlNameStr . $vv . '|');
						if (in_array($kkk, $attr) && !empty($vvv) && 1 == $vvv) {
							array_push($SqlName_2, $SqlNameStr . $kkk . '|' . $vv . '|');
						}
					}
				}
			}

			// 合并两个数组
			$SqlName = array_merge($SqlName_1, $SqlName_2, $this->ContentManageCache($post, $attr, 'del'));

			// 若删除会员投稿则执行
			$PostUsersID = !empty($post[0]['users_id']) ? $post[0]['users_id'] : 0;
			if (!empty($PostUsersID)) {
				$PostTypeID = get_arr_column($post, 'typeid');
				$SqlName = array_merge($SqlName, $this->UsersReleaseSqlCache($PostUsersID, $PostTypeID));
			}

			// 根据 SqlName 执行更新指定缓存的文章数量
			$this->CutsDownSqlCacheTable($SqlName);

		}

		// 删除缓存表中首页内容统计和栏目管理文档统计数据
		$this->DeleteSqlCacheTable($table);
	}

	// 更新投稿缓存数据
	public function UpdateDraftSqlCacheTable($post = [], $opt = '', $users_release = false)
	{
		if ('add' == $opt) {
			// 添加时操作
			$Archives = '|archives|draft|';
			$UsersRelease = '|users_release|' . $post['users_id'] . '|';
			$SqlName = array_merge([$UsersRelease . 'all|'], [$Archives]);

			// 处理栏目条件，查询当前栏目的父级栏目配合属性追加数组
			$AllPid = [];
			if (!empty($post['typeid'])) {
				$AllPid = model('Arctype')->getAllPid($post['typeid']);
				$AllPid = get_arr_column($AllPid, 'id');
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						array_push($SqlName, $UsersRelease . $vv . '|');
						array_push($SqlName, $Archives . $vv . '|');
					}
				}
			}

			if (!empty($SqlName)) {
				// 更新数据
				$Data = [
					'sql_result' => Db::raw('sql_result+1'),
					'update_time' => getTime()
				];
				// 执行更新
				Db::name('sql_cache_table')->where('sql_name', 'IN', $SqlName)->update($Data);
			}

		} else if ('edit' == $opt) {
			// 编辑时操作
			$CutsDown = $Increase = [];
			if ($post['old_typeid'] != $post['typeid']) {
				$Archives = '|archives|draft|';
				$UsersID = !empty($post['users_id']) ? $post['users_id'] : session('users_id');
				$UsersRelease = '|users_release|' . $UsersID . '|';

				$TypeID = [];
				$typeids = array_merge([$post['old_typeid']], [$post['typeid']]);
				foreach ($typeids as $key => $value) {
					$SqlName = [];

					// 获取 typeid 的所有父级 typeid
					$AllPid = $this->GetAllPid($TypeID, $value);

					// 根据 typeid 追加数组
					if (!empty($AllPid)) {
						foreach ($AllPid as $vv) {
							array_push($SqlName, $UsersRelease . $vv . '|');
							array_push($SqlName, $Archives . $vv . '|');
						}
					}

					// 赋值数组
					if (0 == $key) {
						$CutsDown = $SqlName;
					} else {
						$Increase = $SqlName;
					}
				}
			} else {
				if (!empty($users_release)) {
					$Archives = '|archives|draft|';
					array_push($Increase, $Archives);
					array_push($Increase, $Archives . $post['typeid'] . '|');
				}
			}

			// 减少和增加指定缓存标识的缓存结果数据
			$this->CutsDownAndIncreaseSqlCacheTable($CutsDown, $Increase);
			
		} else if ('del' == $opt) {
			// 删除时操作
			$UsersID = session('users_id');
			$Archives = '|archives|draft|';
			$UsersRelease = '|users_release|' . $UsersID . '|';

			$TypeID = $SqlName = [];
			foreach ($post as $key => $value) {
				// 初始化 SqlName
				array_push($SqlName, $UsersRelease . 'all|');
				array_push($SqlName, $Archives);

				// 获取 typeid 的所有父级 typeid
				$AllPid = $this->GetAllPid($TypeID, $value);

				// 根据 typeid 追加数组
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						array_push($SqlName, $UsersRelease . $vv . '|');
						array_push($SqlName, $Archives . $vv . '|');
					}
				}
			}

			// 根据 SqlName 执行更新指定缓存的文章数量
			$this->CutsDownSqlCacheTable($SqlName);
			
		} else if ('admin_del' == $opt) {
			// 删除时操作
			$TypeID = $SqlName = [];
			foreach ($post['TypeID'] as $key => $value) {
				$UsersID = $post['UsersID'][$key];
				// 初始化 SqlName
				$Archives = '|archives|draft|';
				$UsersRelease = '|users_release|' . $UsersID . '|';
				array_push($SqlName, $UsersRelease . 'all|');
				array_push($SqlName, $Archives);

				// 获取 typeid 的所有父级 typeid
				$AllPid = $this->GetAllPid($TypeID, $value);

				// 根据 typeid 追加数组
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						array_push($SqlName, $UsersRelease . $vv . '|');
						array_push($SqlName, $Archives . $vv . '|');
					}
				}
			}

			// 根据 SqlName 执行更新指定缓存的文章数量
			$this->CutsDownSqlCacheTable($SqlName);

		}
	}

	// 筛选出投稿文档，若为投稿文档则进行审核后续处理
	public function ScreeningArchives($aid = 0, $arcrank = 0)
	{
		$field = 'a.typeid, a.channel, a.users_id, b.table';
		$where = [
			'a.aid' => $aid,
			'a.status' => 1,
			'a.is_del' => 0,
			'a.users_id' => ['>', 0]
		];
		$Archives = Db::name('archives')->alias('a')->field($field)->join('__CHANNELTYPE__ b', 'a.channel = b.id', 'LEFT')->where($where)->find();
		if (!empty($Archives)) {
			$Archives['old_typeid'] = $Archives['typeid'];
			if (1 == $arcrank) {
				// 文档设置已审核
				$this->ReviewArticleHandle($Archives, $Archives['table'], true);
			} else if (0 == $arcrank) {
				// 文档设置未审核
				$this->ReviewArticleHandle($Archives, $Archives['table'], false);
			}

			// 删除缓存表中首页内容统计和栏目管理文档统计数据
			$this->DeleteSqlCacheTable($table);

			return true;
		} else {
			return false;
		}
	}

	// 文档已审核/未审核处理 handle=true 为已审核处理
	public function ReviewArticleHandle($post = [], $table = '', $handle = true)
	{
		$CutsDown = [];
		$ArchivesDraft = '|archives|draft|';
		array_push($CutsDown, $ArchivesDraft);

		$Increase = [];
		$ArchivesNot = '|archives|!=8,6|';
		$TableChannel = '|' . $table . '|' . $post['channel'] . '|';
		array_push($Increase, $ArchivesNot);
		array_push($Increase, $TableChannel);

		if ($post['old_typeid'] == $post['typeid']) {
			// 获取 typeid 的所有父级 typeid
			$AllPid = model('Arctype')->getAllPid($post['typeid']);
			$AllPid = get_arr_column($AllPid, 'id');

			// 根据 typeid 追加数组
			if (!empty($AllPid)) {
				foreach ($AllPid as $vv) {
					array_push($CutsDown, $ArchivesDraft . $vv . '|');
					array_push($Increase, $TableChannel . $vv . '|');
				}
			}

		} else if ($post['old_typeid'] != $post['typeid']) {
			$TypeID = [];
			if (!empty($handle)) {
				$typeids = [$post['old_typeid'], $post['typeid']];
			} else {
				$typeids = [$post['typeid'], $post['old_typeid']];
			}
			foreach ($typeids as $key => $value) {
				// 获取 typeid 的所有父级 typeid
				$AllPid = $this->GetAllPid($TypeID, $value);

				// 根据 typeid 追加数组
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						if (0 == $key) {
							array_push($CutsDown, $UsersRelease . $vv . '|');
							array_push($CutsDown, $ArchivesDraft . $vv . '|');
						} else {
							array_push($Increase, $TableChannel . $vv . '|');
						}
					}
				}
			}

		}

		if (!empty($handle)) {
			// 减少和增加指定缓存标识的缓存结果数据
			$this->CutsDownAndIncreaseSqlCacheTable($CutsDown, $Increase);
		} else {
			// 减少和增加指定缓存标识的缓存结果数据
			$this->CutsDownAndIncreaseSqlCacheTable($Increase, $CutsDown);
		}
	}

	// 获取当前栏目ID的所有父级栏目ID
	private function GetAllPid(&$TypeID = [], $value = 0)
	{
		$AllPid = [];
		if (!empty($TypeID[$value])) {
			// 若已存在则直接读取
			$AllPid = $TypeID[$value];
		} else {
			// 若不存在则查询数据库
			$AllPid = model('Arctype')->getAllPid($value);
			$AllPid = get_arr_column($AllPid, 'id');
			$TypeID[$value] = $AllPid;
		}

		// 返回结果
		return $AllPid;
	}

	// 查询栏目及模型信息
	private function GetArctypeModel($old_typeid = 0)
	{
		$field = 'a.id, a.parent_id, a.topid, b.id as channel_id, b.table';
		$where = [
			'a.is_del' => 0,
			'b.is_del' => 0,
			'a.status' => 1,
			'b.status' => 1,
			'a.is_release' => 1,
			'b.is_release' => 1,
			'a.id' => $old_typeid,
		];
		$ArctypeModel = Db::name('arctype')->alias('a')->join('__CHANNELTYPE__ b', 'a.current_channel = b.id', 'LEFT')->field($field)->where($where)->find();
		// 处理栏目ID
		$AllPid = [];
		array_push($AllPid, $ArctypeModel['id'], $ArctypeModel['parent_id']);
		if ($ArctypeModel['parent_id'] !== $ArctypeModel['topid']) array_push($AllPid, $ArctypeModel['topid']);
		sort($AllPid);

		// 处理缓存标识
		$SqlNameStr = '|' . $ArctypeModel['table'] . '|' . $ArctypeModel['channel_id'] . '|';
		
		// 返回处理的数据
		return ['AllPid' => $AllPid, 'SqlNameStr' => $SqlNameStr];
	}

	// 减少和增加指定缓存标识的缓存结果数据
	private function CutsDownAndIncreaseSqlCacheTable($CutsDown = [], $Increase = [])
	{
		if (!empty($CutsDown)) {
			// 更新数据
			$CutsDownData = [
				'sql_result' => Db::raw('sql_result-1'),
				'update_time' => getTime()
			];
			// 执行更新
			Db::name('sql_cache_table')->where('sql_name', 'IN', $CutsDown)->update($CutsDownData);
		}
		if (!empty($Increase)) {
			// 更新数据
			$IncreaseData = [
				'sql_result' => Db::raw('sql_result+1'),
				'update_time' => getTime()
			];
			// 执行更新
			Db::name('sql_cache_table')->where('sql_name', 'IN', $Increase)->update($IncreaseData);
		}
	}

	// 会员投稿时，文章自动审核则调用
	private function UsersReleaseSqlCache($users_id = 0, $typeid = 0)
	{
		$SqlName = $TypeID = [];
		$UsersRelease = '|users_release|' . $users_id . '|';
		// 处理栏目条件，查询当前栏目的父级栏目配合属性追加数组
		if (!empty($typeid)) {
			$typeid = is_array($typeid) ? $typeid : [$typeid];
			foreach ($typeid as $value) {
				array_push($SqlName, $UsersRelease . 'all|');
				$AllPid = [];
				if (!empty($TypeID[$value])) {
					// 若已存在则直接读取
					$AllPid = $TypeID[$value];
				} else {
					// 若不存在则查询数据库
					$AllPid = model('Arctype')->getAllPid($value);
					$AllPid = get_arr_column($AllPid, 'id');
					$TypeID[$value] = $AllPid;
				}
				if (!empty($AllPid)) {
					foreach ($AllPid as $vv) {
						array_push($SqlName, $UsersRelease . $vv . '|');
					}
				}
			}
		}
		return $SqlName;
	}

	// 内容管理缓存标识统计返回
	private function ContentManageCache($post = [], $attr = [], $opt = 'add')
	{
		$ContentManage = [];
		$ContentManageStr = '|archives|!=8,6|';
		foreach ($post as $key => $value) {
			if ('add' == $opt) {
				array_push($ContentManage, $ContentManageStr);
				if (in_array($key, $attr) && !empty($value) && 1 == $value) array_push($ContentManage, $ContentManageStr.$key.'|');
			}

			if ('del' == $opt) {
				array_push($ContentManage, $ContentManageStr);
				foreach ($value as $kkk => $vvv) {
					if (in_array($kkk, $attr) && !empty($vvv) && 1 == $vvv) array_push($ContentManage, $ContentManageStr.$kkk.'|');
				}
			}
		}
		return $ContentManage;
	}

	// 添加或更新sql缓存表中记录的文档最大ID值
    public function InsertSqlCacheTable($Insert = false)
    {
        $ArchivesMaxID = Db::name('archives')->max('aid');
        $SqlQuery = Db::name('archives')->fetchSql()->max('aid');
        $SqlCacheTable = [
            'sql_name' => 'ArchivesMaxID',
            'sql_result' => $ArchivesMaxID,
            'sql_md5' => md5($SqlQuery),
            'sql_query' => $SqlQuery,
            'add_time' => getTime(),
            'update_time' => getTime(),
        ];
        if (!empty($Insert)) {
	        Db::name('sql_cache_table')->insertGetId($SqlCacheTable);
        } else {
        	unset($SqlCacheTable['add_time']);
        	Db::name('sql_cache_table')->where('sql_name', 'ArchivesMaxID')->update($SqlCacheTable);
        }
    }

    // 减少指定缓存标识的缓存结果数据
	private function CutsDownSqlCacheTable($SqlName)
	{
		$UpdateData = [];
		if (!empty($SqlName)) {
			// 去除重复数据 再 重排键序 并查询mysql缓存表对应数据
			$ArrayUnique = array_merge(array_unique($SqlName));
			$Cache = Db::name('sql_cache_table')->field('cache_id, sql_name')->where('sql_name', 'IN', $ArrayUnique)->select();
			// 获取 重复数据条数
			$SqlName = array_count_values($SqlName);
			foreach ($Cache as $key => $value) {
				// 更新数据
				$Data = [
					'cache_id' => $value['cache_id'],
					'sql_result' => Db::raw('sql_result-'.($SqlName[$value['sql_name']])),
					'update_time' => getTime()
				];
				array_push($UpdateData, $Data);
			}
		}
		// 执行更新
		if (!empty($UpdateData)) $this->saveAll($UpdateData);
	}

	// 删除指定缓存标识（首页内容统计、栏目管理文档统计数据、指定模型搜索统计）
	private function DeleteSqlCacheTable($table = null)
	{
		$SqlName = [
			'|model|all|count|',
			'|arctype|all|count|',
		];
		if (!empty($table) && 'archives' == $table) {
			$SqlName = [
				'|model|all|count|',
				'|arctype|all|count|',
				'|article|keywords|',
				'|product|keywords|',
				'|images|keywords|',
				'|download|keywords|',
				'|media|keywords|',
				'|special|keywords|',
				'|custom|keywords|'
			];
		} else if (!empty($table) && 'archives' != $table) {
			$SqlName = [
				'|model|all|count|',
				'|arctype|all|count|',
				'|' . $table . '|keywords|'
			];
		}
		Db::name('sql_cache_table')->where('sql_name', 'IN', $SqlName)->delete();
	}
}