Commodity management - merge purchase demand into purchase order

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One   Brief purchasing process

Two   Query for unclaimed purchase orders

1  request

GET /ware/purchase/unreceive/list

2 The response data

{
    "msg": "success",
    "code": 0,
    "page": {
        "totalCount": 0,
        "pageSize": 10,
        "totalPage": 0,
        "currPage": 1,
        "list": [{
            "id": 1,
            "assigneeId": 1,
            "assigneeName": "aa",
            "phone": "123",
            "priority": 1,
            "status": 1,
            "wareId": 1,
            "amount": 22.0000,
            "createTime": "2019-12-12",
            "updateTime": "2019-12-12"
        }]
    }
}

3、 ... and   Merge purchasing requirements

1  request

POST /ware/purchase/merge

2  Request parameters

{
    purchaseId: 1, // Whole order id
    items: [1, 2, 3, 4] // Merge item sets 
}

3  The response data

{
    "msg": "success",
    "code": 0
}

Four   controller

    /**
     *  Function description ： Merge purchasing requirements 
     *
     * @param mergeVo  Purchase orders to be consolidated 
     * @return R  Data returned to the front end 
     * @author cakin
     * @date 2020/11/9
     */
    @PostMapping("/merge")
    public R merge(@RequestBody MergeVo mergeVo) {
        purchaseService.mergePurchase(mergeVo);
        return R.ok();
    }

    /**
     *  Function description ： Query for unclaimed purchase orders 
     *
     * @param params  Filter conditions 
     * @return R  Data returned to the front end 
     * @author cakin
     * @date 2020/11/9
     */
    @RequestMapping("/unreceive/list")
    public R unreceivelist(@RequestParam Map<String, Object> params) {
        PageUtils page = purchaseService.queryPageUnreceivePurchase(params);
        return R.ok().put("page", page);
    }

5、 ... and   Service layer

    /**
     *  Function description ： Query for unclaimed purchase orders 
     *
     * @param params  Filter conditions 
     * @return PageUtils  Paging results 
     * @author cakin
     * @date 2020/11/9
     */
    @Override
    public PageUtils queryPageUnreceivePurchase(Map<String, Object> params) {
        IPage<PurchaseEntity> page = this.page(
                new Query<PurchaseEntity>().getPage(params),
                // 0- Just built  1- Just assigned 
                new QueryWrapper<PurchaseEntity>().eq("status", 0).or().eq("status", 1)
        );
        return new PageUtils(page);
    }

    /**
     *  Function description ： Merge purchasing requirements 
     *
     * @param mergeVo  Purchase orders to be consolidated 
     * @author cakin
     * @date 2020/11/9
     */
    @Transactional
    @Override
    public void mergePurchase(MergeVo mergeVo) {
        Long purchaseId = mergeVo.getPurchaseId();
        if (purchaseId == null) {
            //  Create a new purchase order 
            PurchaseEntity purchaseEntity = new PurchaseEntity();
            //  Purchase order initialization 
            purchaseEntity.setStatus(WareConstant.PurchaseStatusEnum.CREATED.getCode());
            purchaseEntity.setCreateTime(new Date());
            purchaseEntity.setUpdateTime(new Date());
            this.save(purchaseEntity);
            purchaseId = purchaseEntity.getId();
        }
        // TODO  Confirm that the purchase order status is 0,1 To merge 
        List<Long> items = mergeVo.getItems();
        Long finalPurchaseId = purchaseId;
        List<PurchaseDetailEntity> collect = items.stream().map(i -> {
            PurchaseDetailEntity detailEntity = new PurchaseDetailEntity();
            detailEntity.setId(i);
            detailEntity.setPurchaseId(finalPurchaseId);
            detailEntity.setStatus(WareConstant.PurchaseDetailStatusEnum.ASSIGNED.getCode());
            return detailEntity;
        }).collect(Collectors.toList());
        //  Update purchasing requirements 
        detailService.updateBatchById(collect);
        //  Update the time field of purchase order 
        PurchaseEntity purchaseEntity = new PurchaseEntity();
        purchaseEntity.setId(purchaseId);
        purchaseEntity.setUpdateTime(new Date());
        this.updateById(purchaseEntity);
    }

6、 ... and  VO

/**
 * @className: MergeVo
 * @description:  Purchase order 
 * @date: 2020/11/9
 * @author: cakin
 */
@Data
public class MergeVo {
    /**
     *  Whole order id
     */
    private Long purchaseId;
    /**
     *  Merge item sets 
     */
    private List<Long> items;
}

7、 ... and   Enumeration class

/**
 * @className: WareConstant
 * @description:  Warehouse enumeration class 
 * @date: 2020/11/9
 * @author: cakin
 */
public class WareConstant {
    /**
     * @className: PurchaseStatusEnum
     * @description:  Enumeration of purchase order status 
     * @date: 2020/11/9
     * @author: cakin
     */
    public enum PurchaseStatusEnum {
        CREATED(0, " newly build "), ASSIGNED(1, " Already allocated "),
        RECEIVE(2, " Have received "), FINISH(3, " Completed "),
        HASERROR(4, " There are abnormal ");
        private int code;
        private String msg;
        PurchaseStatusEnum(int code, String msg) {
            this.code = code;
            this.msg = msg;
        }
        public int getCode() {
            return code;
        }
        public String getMsg() {
            return msg;
        }
    }

    /**
     * @className: PurchaseDetailStatusEnum
     * @description:  Procurement requirements enumeration 
     * @date: 2020/11/9
     * @author: cakin
     */
    public enum PurchaseDetailStatusEnum {
        CREATED(0, " newly build "), ASSIGNED(1, " Already allocated "),
        BUYING(2, " Purchasing "), FINISH(3, " Completed "),
        HASERROR(4, " Purchase failure ");
        private int code;
        private String msg;
        PurchaseDetailStatusEnum(int code, String msg) {
            this.code = code;
            this.msg = msg;
        }
        public int getCode() {
            return code;
        }
        public String getMsg() {
            return msg;
        }
    }
}

8、 ... and   test