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- package _interface
- import (
- "errors"
- "eta/eta_mobile/models"
- "eta/eta_mobile/utils"
- "time"
- )
- type SingleNodeMoveInterface interface {
- GetNodeInfoById(nodeId int) (nodeInfo *models.NodeInfo, err error)
- UpdateNodeInfoSortByParentIdAndSource(parentNodeId, nodeId, prevNodeSort int, updateSortStr string, nodeType int) (err error)
- GetNodeMaxSort(parentId, nodeType int) (maxSort int, err error)
- GetFirstNodeInfoByParentId(parentId int) (nodeInfo *models.NodeInfo, err error)
- }
- func MoveSingleNode(sm SingleNodeMoveInterface, req models.SingleMoveNodeReq) (newNodeInfo *models.NodeInfo, updateCol []string, err error, errMsg string) {
- nodeId := req.NodeId
- parentNodeId := req.ParentNodeId
- prevNodeId := req.PrevNodeId
- nextNodeId := req.NextNodeId
- source := req.NodeType
-
-
-
-
-
- var parentChartNodeInfo *models.NodeInfo
- if parentNodeId > 0 {
- parentChartNodeInfo, err = sm.GetNodeInfoById(parentNodeId)
- if err != nil {
- errMsg = "移动失败"
- err = errors.New("获取上级分类信息失败,Err:" + err.Error())
- return
- }
- }
-
- var (
-
- prevNode *models.NodeInfo
- nextNode *models.NodeInfo
- prevSort int
- nextSort int
- )
-
- nodeInfo, err := sm.GetNodeInfoById(nodeId)
- if err != nil {
- if err.Error() == utils.ErrNoRow() {
- errMsg = "当前分类不存在"
- err = errors.New("获取分类信息失败,Err:" + err.Error())
- return
- }
- errMsg = "移动失败"
- err = errors.New("获取分类信息失败,Err:" + err.Error())
- return
- }
- if prevNodeId > 0 {
- prevNode, err = sm.GetNodeInfoById(prevNodeId)
- if err != nil {
- errMsg = "移动失败"
- err = errors.New("获取上一个兄弟节点分类信息失败,Err:" + err.Error())
- return
- }
- prevSort = prevNode.Sort
- }
- if nextNodeId > 0 {
-
- nextNode, err = sm.GetNodeInfoById(nextNodeId)
- if err != nil {
- errMsg = "移动失败"
- err = errors.New("获取下一个兄弟节点分类信息失败,Err:" + err.Error())
- return
- }
- nextSort = nextNode.Sort
- }
- newNodeInfo, updateCol, err, errMsg = moveSingleNode(sm, parentChartNodeInfo, nodeInfo, prevNode, nextNode, parentNodeId, prevSort, nextSort, source)
- return
- }
- func moveSingleNode(sm SingleNodeMoveInterface, parentChartNodeInfo, nodeInfo, prevNode, nextNode *models.NodeInfo, parentNodeId, prevSort, nextSort, source int) (newNodeInfo *models.NodeInfo, updateCol []string, err error, errMsg string) {
- updateCol = make([]string, 0)
- newNodeInfo = nodeInfo
-
- oldParentId := nodeInfo.ParentId
-
- if oldParentId != parentNodeId {
-
- }
-
- if nodeInfo.ParentId != parentNodeId && parentNodeId != 0 {
- if nodeInfo.Level != parentChartNodeInfo.Level+1 {
- errMsg = "不支持目录层级变更"
- err = errors.New("不支持目录层级变更")
- return
- }
- newNodeInfo.ParentId = parentChartNodeInfo.NodeId
-
- newNodeInfo.Level = parentChartNodeInfo.Level + 1
- newNodeInfo.ModifyTime = time.Now()
-
- updateCol = append(updateCol, "ParentId", "Level", "ModifyTime")
- } else if nodeInfo.ParentId != parentNodeId && parentNodeId == 0 {
- errMsg = "不支持目录层级变更"
- err = errors.New("不支持目录层级变更")
- return
- }
- if prevSort > 0 {
-
- if nextSort > 0 {
-
-
- if prevSort == nextSort || prevSort == nodeInfo.Sort {
-
- updateSortStr := `sort + 2`
-
- if prevNode != nil {
- _ = sm.UpdateNodeInfoSortByParentIdAndSource(parentNodeId, prevNode.NodeId, prevNode.Sort, updateSortStr, source)
- } else {
- _ = sm.UpdateNodeInfoSortByParentIdAndSource(parentNodeId, 0, prevSort, updateSortStr, source)
- }
- } else {
-
- if nextSort-prevSort == 1 {
-
- updateSortStr := `sort + 1`
-
- if prevNode != nil {
- _ = sm.UpdateNodeInfoSortByParentIdAndSource(parentNodeId, prevNode.NodeId, prevSort, updateSortStr, source)
- } else {
- _ = sm.UpdateNodeInfoSortByParentIdAndSource(parentNodeId, 0, prevSort, updateSortStr, source)
- }
- }
- }
- }
- newNodeInfo.Sort = prevSort + 1
- newNodeInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- } else if prevNode == nil && nextNode == nil && parentNodeId > 0 {
-
- var maxSort int
- maxSort, err = sm.GetNodeMaxSort(parentNodeId, source)
- if err != nil {
- errMsg = "移动失败"
- err = errors.New("查询组内排序信息失败,Err:" + err.Error())
- return
- }
- newNodeInfo.Sort = maxSort + 1
- newNodeInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- } else {
-
- firstClassify, tmpErr := sm.GetFirstNodeInfoByParentId(parentNodeId)
- if tmpErr != nil && tmpErr.Error() != utils.ErrNoRow() {
- errMsg = "移动失败"
- err = errors.New("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 firstClassify != nil && firstClassify.Sort == 0 {
- updateSortStr := ` sort + 1 `
- _ = sm.UpdateNodeInfoSortByParentIdAndSource(parentNodeId, firstClassify.NodeId-1, 0, updateSortStr, source)
- }
- newNodeInfo.Sort = 0
- newNodeInfo.ModifyTime = time.Now()
- updateCol = append(updateCol, "Sort", "ModifyTime")
- }
-
- if len(updateCol) > 0 {
-
-
- }
- return
- }
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