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- package services
- import (
- "eta/eta_api/models"
- "eta/eta_api/utils"
- "fmt"
- "time"
- )
- func MoveEnPermission(req models.EnPermissionMoveReq) (err error, errMsg string) {
- ob := new(models.EnPermission)
- permissionId := req.PermissionId
- prevPermissionId := req.PrevPermissionId
- nextPermissionId := req.NextPermissionId
-
- var (
- permissionInfo *models.EnPermission
- prevPermission *models.EnPermission
- nextPermission *models.EnPermission
- prevSort int
- nextSort int
- )
-
- permissionInfo, err = ob.GetItemById(permissionId)
- if err != nil {
- if err.Error() == utils.ErrNoRow() {
- errMsg = "品种不存在, 请刷新页面"
- err = fmt.Errorf("获取品种信息失败,Err:" + err.Error())
- return
- }
- errMsg = "移动失败"
- err = fmt.Errorf("获取分类信息失败,Err:" + err.Error())
- return
- } else if permissionInfo.EnPermissionId == 0 {
- errMsg = "品种不存在, 请刷新页面"
- err = fmt.Errorf("获取品种信息失败,Err:" + err.Error())
- return
- }
- parentPermissionId := permissionInfo.ParentId
- if prevPermissionId > 0 {
- prevPermission, err = ob.GetItemById(prevPermissionId)
- if err != nil {
- if err.Error() == utils.ErrNoRow() {
- errMsg = "上一个品种不存在, 请刷新页面"
- err = fmt.Errorf("获取品种信息失败,Err:" + err.Error())
- return
- }
- errMsg = "移动失败"
- err = fmt.Errorf("获取上一个兄弟节点分类信息失败,Err:" + err.Error())
- return
- }
- prevSort = prevPermission.Sort
- }
- if nextPermissionId > 0 {
-
- nextPermission, err = ob.GetItemById(nextPermissionId)
- if err != nil {
- if err.Error() == utils.ErrNoRow() {
- errMsg = "下一个品种不存在, 请刷新页面"
- err = fmt.Errorf("获取品种信息失败,Err:" + err.Error())
- return
- }
- errMsg = "移动失败"
- err = fmt.Errorf("获取下一个兄弟节点分类信息失败,Err:" + err.Error())
- return
- }
- nextSort = nextPermission.Sort
- }
- err, errMsg = moveEnPermission(permissionInfo, prevPermission, nextPermission, parentPermissionId, prevSort, nextSort)
- return
- }
- func moveEnPermission(permissionInfo, prevPermission, nextPermission *models.EnPermission, parentId, prevSort, nextSort int) (err error, errMsg string) {
- ob := new(models.EnPermission)
- updateCol := make([]string, 0)
-
- if permissionInfo.ParentId != parentId {
- errMsg = "移动失败"
- err = fmt.Errorf("不支持目录层级变更")
- return
- }
- if prevSort > 0 {
-
- if nextSort > 0 {
-
-
- if prevSort == nextSort || prevSort == permissionInfo.Sort {
-
- updateSortStr := `sort + 2`
-
- if prevPermission != nil {
- _ = models.UpdateEnPermissionSortByParentId(parentId, prevPermission.EnPermissionId, prevPermission.Sort, updateSortStr)
- } else {
- _ = models.UpdateEnPermissionSortByParentId(parentId, 0, prevSort, updateSortStr)
- }
- } else {
-
- if nextSort-prevSort == 1 {
-
- updateSortStr := `sort + 1`
-
- if prevPermission != nil {
- _ = models.UpdateEnPermissionSortByParentId(parentId, prevPermission.EnPermissionId, prevSort, updateSortStr)
- } else {
- _ = models.UpdateEnPermissionSortByParentId(parentId, 0, prevSort, updateSortStr)
- }
- }
- }
- }
- permissionInfo.Sort = prevSort + 1
- permissionInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- } else if prevPermission == nil && nextPermission == nil && parentId > 0 {
-
- var maxSort int
- maxSort, err = ob.GetMaxSortByParentId(parentId)
- if err != nil {
- errMsg = "移动失败"
- err = fmt.Errorf("查询组内排序信息失败,Err:" + err.Error())
- return
- }
- permissionInfo.Sort = maxSort + 1
- permissionInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- } else {
-
- firstPermission, tmpErr := ob.GetFirstEnPermissionByParentId(parentId)
- if tmpErr != nil && tmpErr.Error() != utils.ErrNoRow() {
- errMsg = "移动失败"
- err = fmt.Errorf("获取获取当前父级分类下的排序第一条的分类信息失败,Err:" + tmpErr.Error())
- return
- }
-
- if firstPermission != nil && firstPermission.EnPermissionId != 0 && firstPermission.Sort == 0 {
- updateSortStr := ` sort + 1 `
- _ = models.UpdateEnPermissionSortByParentId(parentId, firstPermission.EnPermissionId-1, 0, updateSortStr)
- }
- permissionInfo.Sort = 0
- permissionInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- }
-
- if len(updateCol) > 0 {
- err = permissionInfo.Update(updateCol)
- if err != nil {
- errMsg = "移动失败"
- err = fmt.Errorf("修改失败,Err:" + err.Error())
- return
- }
- }
- return
- }
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