<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use Exception;
use think\Db;
use think\Config;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * @icon fa fa-circle-o
 */
class Poster extends Backend
{
    /**
     * Poster模型对象
     * @var \app\admin\model\Poster
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Poster;
        $this->view->assign("statusList", $this->model->getStatusList());

        $tableList = [];
        $list = \think\Db::query("SHOW TABLES");
        foreach ($list as $key => $row) {
            $tableList[reset($row)] = reset($row);
        }
        $this->view->assign("tableList", $tableList);
    }

    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = false;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                ->where($where)
                ->order($sort, $order)
                ->count();

            $list = $this->model
                ->where($where)
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();

            foreach ($list as $row) {
                $row->visible(['id','title','bg_image','weigh','status','createtime','updatetime']);
            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 获取字段列表
     * @internal
     */
    public function get_field_list()
    {
        $dbname = Config::get('database.database');
        $prefix = Config::get('database.prefix');
        $table = $this->request->request('table');
        //从数据库中获取表字段信息
        $sql = "SELECT * FROM `information_schema`.`columns` "
            . "WHERE TABLE_SCHEMA = ? AND table_name = ? "
            . "ORDER BY ORDINAL_POSITION";
        //加载主表的列
        $columnList = Db::query($sql, [$dbname, $table]);
        $fieldlist = [];
        foreach ($columnList as $index => $item) {
            $fieldlist[] = $item['COLUMN_NAME'];
        }
        $this->success("", null, ['fieldlist' => $fieldlist]);
    }

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = method_exists($this, 'preExcludeFields') ? $this->preExcludeFields($params) : $params;

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = method_exists($this, 'preExcludeFields') ? $this->preExcludeFields($params) : $params;
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                        $row->validateFailException(true)->validate($validate);
                    }
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }

        $row['data'] = json_decode(str_replace('&quot;', '\'', $row['data']), true);
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

    /**
     * 删除
     */
    public function del($ids = "")
    {
        if ($ids) {
            $pk = $this->model->getPk();
            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds)) {
                $this->model->where($this->dataLimitField, 'in', $adminIds);
            }
            $list = $this->model->where($pk, 'in', $ids)->select();

            $count = 0;
            Db::startTrans();
            try {
                foreach ($list as $k => $v) {
                    $count += $v->delete();
                    rmdirs(ROOT_PATH . 'public/' . $this->model->getDirs($v['id']), true);
                }
                Db::commit();
            } catch (PDOException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (Exception $e) {
                Db::rollback();
                $this->error($e->getMessage());
            }
            if ($count) {
                $this->success();
            } else {
                $this->error(__('No rows were deleted'));
            }
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }

    /**
     * 海报记录
     * @author Created by Xing <464401240@qq.com>
     */
    public function posterrecord()
    {
        $ids = $this->request->param('ids');

        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            $this->model = new \app\admin\model\PosterLog();
            $condition = $ids ? ['poster_id' => $ids] : [];
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                ->with(['user'])
                ->where($condition)
                ->where($where)
                ->order($sort, $order)
                ->count();

            $list = $this->model
                ->with(['user'])
                ->where($condition)
                ->where($where)
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();

            foreach ($list as $row) {
                $row->visible(['id','image','createtime','updatetime']);
                $row->visible(['user']);
                $row->getRelation('user')->visible(['nickname']);
                $row['image'] = '/' . $row['image'];
            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        $this->assignconfig('ids', $ids);
        $this->view->assign("ids", $ids);
        return $this->view->fetch();
    }

    /**
     * 清除海报数据
     * @author Created by Xing <464401240@qq.com>
     */
    public function clear()
    {
        $ids = $this->request->param('poster_id');
        $where = ['poster_id' => ['gt', 0]];
        if ($ids) {
            $where = ['poster_id' => $ids];
        }

        $posterLogModel = new \app\admin\model\PosterLog();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $posterLogModel->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $posterLogModel->where($where)->select();

        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $k => $v) {
                $count += $v->delete();
            }
            Db::commit();
        } catch (PDOException $e) {
            Db::rollback();
            $this->error($e->getMessage());
        } catch (Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        rmdirs(ROOT_PATH . 'public/' . $this->model->getDirs($ids), true);
        if ($count) {
            $this->success();
        } else {
            $this->error(__('No rows were deleted'));
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }
}