Revert "infra/ii: 变更 User.Company 类型"

This reverts commit edbb8dfbfd35735c64f7420a6d78ba558b7c6886.

infra/ii/user.go

@@ -5,13 +5,11 @@ import (
 )
 
 const (
-	UserName       = "name"
-	UserUserName   = "username"
-	UserFlag       = "flag"
-	UserIsSysadmin = "isSysadmin"
-	// UserCompanyDefault deprecated
+	UserName           = "name"
+	UserUserName       = "username"
+	UserFlag           = "flag"
+	UserIsSysadmin     = "isSysadmin"
 	UserCompanyDefault = "company_default"
-	UserCompany        = "company"
 	UserGroup          = "group"
 	UserRole           = "role"
 	UserPerms          = "perms"
@@ -59,11 +57,8 @@ func (u *User) IsSysadmin() bool {
 	return isSysadmin
 }
 
-func (u *User) Company() mo.ObjectID {
-	if company := u.Data[UserCompany].(mo.A); len(company) > 0 {
-		return company[0].(mo.ObjectID)
-	}
-	return mo.NilObjectID
+func (u *User) Company() string {
+	return u.getString(UserCompanyDefault)
 }
 
 func (u *User) Group(name string) bool {