package?cn.waqwb.seckilldemo.Service.impl;

import?cn.waqwb.seckilldemo.Service.ItemService;
import?cn.waqwb.seckilldemo.Service.model.ItemModel;
import?cn.waqwb.seckilldemo.error.BusinessException;
import?cn.waqwb.seckilldemo.error.EmBusinessError;
import?cn.waqwb.seckilldemo.mapper.ItemDOMapper;
import?cn.waqwb.seckilldemo.mapper.ItemStockDOMapper;
import?cn.waqwb.seckilldemo.po.ItemDO;
import?cn.waqwb.seckilldemo.po.ItemStockDO;
import?cn.waqwb.seckilldemo.validator.ValidationResult;
import?cn.waqwb.seckilldemo.validator.ValidatorImpl;
import?org.springframework.beans.BeanUtils;
import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.stereotype.Service;
import?org.springframework.transaction.annotation.Transactional;

import?java.math.BigDecimal;
import?java.util.List;

/**
?*?@author?JokerQ
?*?@date?2019/10/25?-?10:17
?*/
@Service
public?class?ItemServiceImpl?implements?ItemService?{
????@Autowired
????private?ValidatorImpl?validator;

????@Autowired
????private?ItemDOMapper?itemDOMapper;

????@Autowired
????private?ItemStockDOMapper?itemStockDOMapper;

????private?ItemStockDO?convertFromItemModel(ItemModel?itemModel){
????????if?(itemModel?==?null){
????????????return?null;
????????}
????????ItemStockDO?itemStockDO?=?new?ItemStockDO();
????????itemStockDO.setItenId(itemModel.getId());
????????itemStockDO.setStock(itemModel.getStock());
????????return?itemStockDO;
????}

????private?ItemDO?itemDOConvertFromItemModel(ItemModel?itemModel){
????????if?(itemModel?==?null){
????????????return?null;
????????}
????????ItemDO?itemDO?=?new?ItemDO();
????????BeanUtils.copyProperties(itemModel,itemDO);
????????itemDO.setPrice(itemModel.getPrice().doubleValue());
????????return?itemDO;
????}

????@Override
????@Transactional
????public?ItemModel?createItem(ItemModel?itemModel)?throws?BusinessException?{
????????ValidationResult?result?=?validator.validate(itemModel);
????????if?(result.isHasErrors())?{
????????????throw?new?BusinessException(result.getErrMsg(),?EmBusinessError.PARAMETER_VALIDATION_ERROR);
????????}
????????ItemDO?itemDO?=?this.itemDOConvertFromItemModel(itemModel);
????????itemDOMapper.insertSelective(itemDO);
????????itemModel.setId(itemDO.getId());
????????ItemStockDO?itemStockDO?=?this.convertFromItemModel(itemModel);
????????itemStockDOMapper.insertSelective(itemStockDO);
????????return?this.getItemById(itemModel.getId());
????}

????@Override
????public?List<ItemModel>?listItem()?{
????????return?null;
????}

????@Override
????public?ItemModel?getItemById(Integer?id)?{
????????ItemDO?itemDO?=?itemDOMapper.selectByPrimaryKey(id);
????????//TODO
????????if?(itemDO?==?null){
????????????return?null;
????????}
????????ItemStockDO?itemStockDO?=?itemStockDOMapper.selectByItemId(itemDO.getId());
????????ItemModel?itemModel?=?convertModelFromDataObject(itemDO,itemStockDO);
????????return?itemModel;
????}
????private?ItemModel?convertModelFromDataObject(ItemDO?itemDO,ItemStockDO?itemStockDO){
????????ItemModel?itemModel?=?new?ItemModel();
????????BeanUtils.copyProperties(itemDO,itemModel);
????????itemModel.setPrice(new?BigDecimal((itemDO.getPrice())));
????????itemModel.setStock(itemStockDO.getStock());
????????return?itemModel;
????}
}

package?cn.waqwb.seckilldemo.controller;

import?cn.waqwb.seckilldemo.Service.ItemService;
import?cn.waqwb.seckilldemo.Service.model.ItemModel;
import?cn.waqwb.seckilldemo.controller.viewobject.ItemView;
import?cn.waqwb.seckilldemo.error.BusinessException;
import?cn.waqwb.seckilldemo.response.CommonReturnType;
import?org.springframework.beans.BeanUtils;
import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.stereotype.Controller;
import?org.springframework.web.bind.annotation.*;

import?java.math.BigDecimal;

/**
?*?@author?JokerQ
?*?@date?2019/10/26?-?16:32
?*/
@Controller("/item")
@RequestMapping("/item")
@CrossOrigin(allowCredentials?=?"true",origins?=?{"*"})
public?class?ItemController?extends?BaseController{

????@Autowired
????private?ItemService?itemService;
????@RequestMapping(value?=?"/create",method?=?{RequestMethod.POST},consumes?=?{CONTENT_TYPE_FORMED})
????@ResponseBody
????public?CommonReturnType?createItem(
????????????@RequestParam(name?=?"title")String?title,
????????????@RequestParam(name?=?"description")String?description,
????????????@RequestParam(name?=?"price")?BigDecimal?price,
????????????@RequestParam(name?=?"imgUrl")String?imgUrl,
????????????@RequestParam(name?=?"stock")Integer?stock

????)?throws?BusinessException?{
????????ItemModel?itemModel?=?new?ItemModel();
????????itemModel.setTitle(title);
????????itemModel.setDescription(description);
????????itemModel.setPrice(price);
????????itemModel.setStock(stock);
????????itemModel.setImgUrl(imgUrl);
????????ItemModel?itemModelForReturn?=?itemService.createItem(itemModel);
????????ItemView?itemView?=?convertVOFromModel(itemModelForReturn);
????????return?CommonReturnType.create(itemView);

????}
????private?ItemView?convertVOFromModel(ItemModel?itemModel){
????????if?(itemModel?==?null){
????????????return?null;
????????}
????????ItemView?itemView?=?new?ItemView();
????????BeanUtils.copyProperties(itemModel,itemView);
????????return?itemView;
????}

}