增加用户组功能

pkg/model/user-group.go

@@ -0,0 +1,97 @@
+package model
+
+import (
+	"gorm.io/gorm"
+	"next-terminal/pkg/global"
+	"next-terminal/pkg/utils"
+)
+
+type UserGroup struct {
+	ID      string         `gorm:"primary_key" json:"id"`
+	Name    string         `json:"name"`
+	Created utils.JsonTime `json:"created"`
+}
+
+type UserGroupVo struct {
+	ID          string         `gorm:"primary_key" json:"id"`
+	Name        string         `json:"name"`
+	Created     utils.JsonTime `json:"created"`
+	MemberCount int64          `json:"memberCount"`
+}
+
+func (r *UserGroup) TableName() string {
+	return "user_groups"
+}
+
+func FindPageUserGroup(pageIndex, pageSize int, name string) (o []UserGroupVo, total int64, err error) {
+	db := global.DB.Table("user_groups").Select("user_groups.id, user_groups.name, user_groups.created, count(user_group_members.user_id) as member_count").Joins("left join user_group_members on user_groups.id = user_group_members.user_group_id").Group("user_groups.id")
+	dbCounter := global.DB.Table("user_groups")
+	if len(name) > 0 {
+		db = db.Where("user_groups.name like ?", "%"+name+"%")
+		dbCounter = dbCounter.Where("name like ?", "%"+name+"%")
+	}
+
+	err = dbCounter.Count(&total).Error
+	if err != nil {
+		return nil, 0, err
+	}
+	err = db.Order("user_groups.created desc").Find(&o).Offset((pageIndex - 1) * pageSize).Limit(pageSize).Error
+	if o == nil {
+		o = make([]UserGroupVo, 0)
+	}
+	return
+}
+
+func CreateNewUserGroup(o *UserGroup, members []string) (err error) {
+	return global.DB.Transaction(func(tx *gorm.DB) error {
+		err = tx.Create(o).Error
+		if err != nil {
+			return err
+		}
+
+		if members != nil {
+			userGroupId := o.ID
+			err = AddUserGroupMembers(tx, members, userGroupId)
+			if err != nil {
+				return err
+			}
+		}
+		return err
+	})
+}
+
+func AddUserGroupMembers(tx *gorm.DB, userIds []string, userGroupId string) error {
+	for i := range userIds {
+		userId := userIds[i]
+		_, err := FindUserById(userId)
+		if err != nil {
+			return err
+		}
+
+		userGroupMember := UserGroupMember{
+			ID:          utils.Sign([]string{userGroupId, userId}),
+			UserId:      userId,
+			UserGroupId: userGroupId,
+		}
+		err = tx.Create(&userGroupMember).Error
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func FindUserGroupById(id string) (o UserGroup, err error) {
+	err = global.DB.Where("id = ?", id).First(&o).Error
+	return
+}
+
+func UpdateUserGroupById(o *UserGroup, id string) {
+	o.ID = id
+	global.DB.Updates(o)
+}
+
+func DeleteUserGroupById(id string) {
+	global.DB.Where("id = ?", id).Delete(&UserGroup{})
+	global.DB.Where("user_group_id = ?", id).Delete(&UserGroupMember{})
+}