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移动判断

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beetlsql3-dev
Mlxa0324 2 years ago
parent d72345f1e8
commit e011377a73
2 changed files with 108 additions and 96 deletions
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194
web/src/main/java/com/ibeetl/jlw/service/StudentClientLinkService.java
Unescape Escape View File

@ -1,6 +1,7 @@
package com.ibeetl.jlw.service;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.RandomUtil;
import cn.jlw.util.ToolUtils;
@ -191,108 +192,109 @@ public class StudentClientLinkService extends CoreBaseService<StudentClientLink>
*/
public void move(@NotNull(message = "ID不能为空！") Long id, @NotNull(message = "移动类型不能为空！") MoveEnum moveType) {
List<StudentClientLink> links = studentClientLinkDao.getByIds(id.toString());
if (CollectionUtil.isNotEmpty(links)) {
StudentClientLink studentClientLink = links.get(0);
switch (moveType) {
case MOVE_TOP: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.asc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 1)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
StudentClientLink minOrderClientLink = result.get(0);
// 最小的排序值
BigDecimal minLinkOrder = minOrderClientLink.getStudentClientLinkOrder();
// 置顶就现有的最小值减1。但是需要确保结果小于0
BigDecimal calcedOrder = BigDecimal.valueOf(NumberUtil.sub(min(minLinkOrder.floatValue(), 0), 1));
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(calcedOrder);
updateTemplate(updatePO);
}
} break;
case MOVE_LEFT: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andLess(StudentClientLink::getStudentClientLinkOrder, studentClientLink.getStudentClientLinkOrder())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.desc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 2)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
// 找到应该安插的位置
BigDecimal LinkOrder0 = result.get(0).getStudentClientLinkOrder();
BigDecimal LinkOrder1 = LinkOrder0.subtract(BigDecimal.ONE);
if (result.size() == 2) {
LinkOrder1 = result.get(1).getStudentClientLinkOrder();
}
BigDecimal min = NumberUtil.min(LinkOrder0, LinkOrder1);
BigDecimal max = NumberUtil.max(LinkOrder0, LinkOrder1);
// 左移位后的值
double calcedOrder = RandomUtil.randomDouble(min.doubleValue(), max.doubleValue(), 6, RoundingMode.HALF_UP);
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(BigDecimal.valueOf(calcedOrder));
updateTemplate(updatePO);
Assert.notEmpty(links, "未查询到要移动的元素！");
StudentClientLink studentClientLink = links.get(0);
switch (moveType) {
case MOVE_TOP: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.asc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 1)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
StudentClientLink minOrderClientLink = result.get(0);
// 最小的排序值
BigDecimal minLinkOrder = minOrderClientLink.getStudentClientLinkOrder();
// 置顶就现有的最小值减1。但是需要确保结果小于0
BigDecimal calcedOrder = BigDecimal.valueOf(NumberUtil.sub(min(minLinkOrder.floatValue(), 0), 1));
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(calcedOrder);
updateTemplate(updatePO);
}
} break;
case MOVE_LEFT: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andLess(StudentClientLink::getStudentClientLinkOrder, studentClientLink.getStudentClientLinkOrder())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.desc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 2)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
// 找到应该安插的位置
BigDecimal LinkOrder0 = result.get(0).getStudentClientLinkOrder();
BigDecimal LinkOrder1 = LinkOrder0.subtract(BigDecimal.ONE);
if (result.size() == 2) {
LinkOrder1 = result.get(1).getStudentClientLinkOrder();
}
} break;
case MOVE_RIGHT: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andGreat(StudentClientLink::getStudentClientLinkOrder, studentClientLink.getStudentClientLinkOrder())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.asc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 2)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
// 找到应该安插的位置
BigDecimal LinkOrder0 = result.get(0).getStudentClientLinkOrder();
BigDecimal LinkOrder1 = LinkOrder0.add(BigDecimal.ONE);
if (result.size() == 2) {
LinkOrder1 = result.get(1).getStudentClientLinkOrder();
}
BigDecimal min = NumberUtil.min(LinkOrder0, LinkOrder1);
BigDecimal max = NumberUtil.max(LinkOrder0, LinkOrder1);
// 右移位后的值
double calcedOrder = RandomUtil.randomDouble(min.doubleValue(), max.doubleValue(), 6, RoundingMode.HALF_UP);
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(BigDecimal.valueOf(calcedOrder));
updateTemplate(updatePO);
BigDecimal min = NumberUtil.min(LinkOrder0, LinkOrder1);
BigDecimal max = NumberUtil.max(LinkOrder0, LinkOrder1);
// 左移位后的值
double calcedOrder = RandomUtil.randomDouble(min.doubleValue(), max.doubleValue(), 6, RoundingMode.HALF_UP);
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(BigDecimal.valueOf(calcedOrder));
updateTemplate(updatePO);
}
} break;
case MOVE_RIGHT: {
List<StudentClientLink> result = studentClientLinkDao.createLambdaQuery()
.andEq(StudentClientLink::getStudentClientLinkType, studentClientLink.getStudentClientLinkType())
.andGreat(StudentClientLink::getStudentClientLinkOrder, studentClientLink.getStudentClientLinkOrder())
.andEq(StudentClientLink::getStudentClientLinkStatus, 1)
.andNotEq(StudentClientLink::getStudentClientLinkId, id)
.asc(StudentClientLink::getStudentClientLinkOrder)
.limit(1, 2)
.select(StudentClientLink::getStudentClientLinkOrder);
if (CollectionUtil.isNotEmpty(result)) {
// 找到应该安插的位置
BigDecimal LinkOrder0 = result.get(0).getStudentClientLinkOrder();
BigDecimal LinkOrder1 = LinkOrder0.add(BigDecimal.ONE);
if (result.size() == 2) {
LinkOrder1 = result.get(1).getStudentClientLinkOrder();
}
} break;
BigDecimal min = NumberUtil.min(LinkOrder0, LinkOrder1);
BigDecimal max = NumberUtil.max(LinkOrder0, LinkOrder1);
default:
log.error("不支持的移动类型！");
break;
}
// 右移位后的值
double calcedOrder = RandomUtil.randomDouble(min.doubleValue(), max.doubleValue(), 6, RoundingMode.HALF_UP);
// 改变排序记录值
StudentClientLink updatePO = new StudentClientLink();
updatePO.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
updatePO.setStudentClientLinkOrder(BigDecimal.valueOf(calcedOrder));
updateTemplate(updatePO);
}
} break;
default:
log.error("不支持的移动类型！");
break;
}
}
}

10
web/src/main/java/com/ibeetl/jlw/web/StudentClientLinkController.java
Unescape Escape View File

@ -266,6 +266,16 @@ public class StudentClientLinkController{
return JsonResult.success();
}
/**
* 功能描述: <br>
* 排序 移动
*
* @param id ID
* @param moveType 移动类型
* @return {@link JsonResult}
* @Author: 87966
* @Date: 2023/1/9 16:17
*/
@GetMapping(MODEL + "/move.json")
@ResponseBody
public JsonResult move(Long id, MoveEnum moveType) {

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