/
field.go
162 lines (130 loc) · 3.98 KB
/
field.go
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package serverRepo
import (
"fmt"
"github.com/easysoft/zendata/internal/pkg/model"
"gorm.io/gorm"
)
type FieldRepo struct {
DB *gorm.DB `inject:""`
}
func (r *FieldRepo) GetDefFieldTree(defId uint) (root *model.ZdField, err error) {
fields, err := r.ListByDef(defId)
if err != nil {
return nil, err
}
if len(fields) == 0 {
return nil, fmt.Errorf("no fields")
}
root = fields[0]
children := make([]*model.ZdField, 0)
if len(fields) > 1 {
children = fields[1:]
}
r.makeTree(children, root)
return
}
func (r *FieldRepo) CreateTreeNode(defId, targetId uint, name string, mode string) (field *model.ZdField, err error) {
field = &model.ZdField{DefID: defId}
field.Field = name
if mode == "root" {
field.DefID = defId
field.ParentID = 0
} else {
var target model.ZdField
err = r.DB.Where("id=?", targetId).First(&target).Error
field.DefID = target.DefID
if mode == "child" {
field.ParentID = target.ID
} else {
field.ParentID = target.ParentID
}
field.Ord = r.GetMaxOrder(field.ParentID)
}
err = r.DB.Save(field).Error
return
}
func (r *FieldRepo) GetMaxOrder(parentId uint) (ord int) {
var preChild model.ZdField
err := r.DB.
Where("parentID=?", parentId).
Order("ord DESC").Limit(1).
First(&preChild).Error
if err != nil {
ord = 1
}
ord = preChild.Ord + 1
return
}
func (r *FieldRepo) ListByDef(defId uint) (fields []*model.ZdField, err error) {
err = r.DB.Where("defID=?", defId).Order("parentID ASC ,ord ASC").Find(&fields).Error
return
}
func (r *FieldRepo) Get(fieldId uint) (field model.ZdField, err error) {
err = r.DB.Where("id=?", fieldId).First(&field).Error
return
}
func (r *FieldRepo) Save(field *model.ZdField) (err error) {
err = r.DB.Save(field).Error
return
}
func (r *FieldRepo) UpdateRange(rang string, id uint) (err error) {
err = r.DB.Model(&model.ZdField{}).Where("id=?", id).Update("range", rang).Error
return
}
func (r *FieldRepo) makeTree(Data []*model.ZdField, node *model.ZdField) { //参数为父节点,添加父节点的子节点指针切片
children, _ := r.haveChild(Data, node) //判断节点是否有子节点并返回
if children != nil {
node.Fields = append(node.Fields, children[0:]...) //添加子节点
for _, v := range children { //查询子节点的子节点,并添加到子节点
_, has := r.haveChild(Data, v)
if has {
r.makeTree(Data, v) //递归添加节点
}
}
}
}
func (r *FieldRepo) haveChild(Data []*model.ZdField, node *model.ZdField) (child []*model.ZdField, yes bool) {
for _, v := range Data {
if v.ParentID == node.ID {
child = append(child, v)
}
}
if child != nil {
yes = true
}
return
}
func (r *FieldRepo) Remove(id uint) (err error) {
field := model.ZdField{}
field.ID = id
err = r.DB.Delete(field).Error
return
}
func (r *FieldRepo) GetChildren(defId, fieldId uint) (children []*model.ZdField, err error) {
err = r.DB.Where("defID=? AND parentID=?", defId, fieldId).Find(&children).Error
return
}
func (r *FieldRepo) SetIsRange(fieldId uint, b bool) (err error) {
err = r.DB.Model(&model.ZdField{}).
Where("id = ?", fieldId).Update("isRange", b).Error
return
}
func (r *FieldRepo) AddOrderForTargetAndNextCases(srcID uint, targetOrder int, targetParentID uint) (err error) {
sql := fmt.Sprintf(`update %s set ord = ord + 1 where ord >= %d and parentID = %d and id!=%d`,
(&model.ZdField{}).TableName(), targetOrder, targetParentID, srcID)
err = r.DB.Exec(sql).Error
return
}
func (r *FieldRepo) AddOrderForNextCases(srcID uint, targetOrder int, targetParentID uint) (err error) {
sql := fmt.Sprintf(`update %s set ord = ord + 1 where ord > %d and parentID = %d and id!=%d`,
(&model.ZdField{}).TableName(), targetOrder, targetParentID, srcID)
err = r.DB.Exec(sql).Error
return
}
func (r *FieldRepo) UpdateOrdAndParent(field model.ZdField) (err error) {
err = r.DB.Model(&field).UpdateColumns(model.ZdField{Ord: field.Ord, ParentID: field.ParentID}).Error
return
}
func NewFieldRepo(db *gorm.DB) *FieldRepo {
return &FieldRepo{DB: db}
}