<?php

namespace app\admin\controller;

use think\Exception;
use think\facade\Db;
use think\facade\View;
use think\facade\Request;
use \app\admin\validate\GoodsMaterial as GoodsMaterialValidate;

class GoodsMaterial extends Common {
    
    /**
     * 材质管理列表
     * @return string
     */
    public function index() {
        ////////
        if (!Request::isPost()) {
            return View::fetch();
        } else {
            try {
                $kw = input('kw');
                if (!empty($kw)) {
                    $condition[] = array('material_name', 'like', "%$kw%");
                }
                $p = input('p', 1);
                $other['page_size'] = input('page_size', 20);
                $order = 'order_id asc,id asc';
                $count = Db::name('goods_material')->where($condition)->count();
                $list = Db::name('goods_material')->field("*")->where($condition)->order($order)->page($p, $other['page_size'])->select()->toArray();
                $other['count'] = $count;
                if (!$list) {
                    $list = [];
                }
                $result['other'] = $other;
                $result['list'] = $list;
                return $this->successResponse($result);
            } catch (Exception $exc) {
                return $this->errorResponse($exc->getMessage());
            }
        }
    }
    
    /**
     *保存材质
     */
    public function save() {
        if (!Request::isPost()) {
            return $this->errorResponse(lang('request_method_incorrect'));
        }
        //开始事务
        Db::startTrans();
        try {
            $data = Request::post();
            $validate = new GoodsMaterialValidate();
            $check_result = $validate->check($data);
            if (!$check_result) {
                return $this->errorResponse($validate->getError());
            }
            $id = input('post.id');
            if (is_numeric($id)) {
                //更新数据
                $update_result = Db::name('goods_material')->where('id', $id)->withoutField('id')->save($data);
                if ($update_result === FALSE) {
                    return $this->errorResponse(lang('editing_failed'));
                }
                //提交事务
                Db::commit();
                return $this->successResponse('修改成功！');
            } else {
                //添加数据
                unset($data['id']);
                $add_result = Db::name('goods_material')->insertGetId($data);
                if (!$add_result) {
                    return $this->errorResponse('添加失败！');
                }
                Db::name('goods_material')->where('id', $add_result)->save(['order_id' => $add_result]);
                //提交事务
                Db::commit();
                return $this->successResponse('添加成功！');
            }
        } catch (Exception $exc) {
            // 回滚事务
            Db::rollback();
            return $this->errorResponse($exc->getMessage());
        }
    }
    
    /**
     * 删除材质
     * @return array|int[]
     */
    public function delete() {
        if (!Request::isPost()) {
            return $this->errorResponse(lang('request_method_incorrect'));
        }
        //开始事务
        Db::startTrans();
        try {
            $id = input('id');
            if (!is_numeric($id)) {
                return $this->errorResponse(lang('parameter_error'));
            }
            $condition['id'] = $id;
            $info = Db::name('goods_material')->field('id')->where($condition)->find();
            if (!$info) {
                return $this->errorResponse(lang('parameter_error'));
            }
            Db::name('goods_material')->where('id', $id)->delete();
            //提交事务
            Db::commit();
            return $this->successResponse('删除成功！');
        } catch (Exception $exc) {
            // 回滚事务
            Db::rollback();
            return $this->errorResponse($exc->getMessage());
        }
    }
    
}