baize/examples/examples/project/application/domain/family/entity.go

package family

import (
	"git.sxidc.com/go-framework/baize/framwork/domain/entity"
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/fserr"
)

const (
	ColumnFather = "father"
	ColumnMother = "mother"
)

const (
	fieldFatherMaxLen = 128
	fieldMotherMaxLen = 128
)

type Entity struct {
	entity.Base
	Father    string `sqlmapping:"column:father" sqlresult:"column:father"`
	Mother    string `sqlmapping:"column:mother" sqlresult:"column:mother"`
	StudentID string `sqlmapping:"column:student_id" sqlresult:"column:student_id"`
	entity.TimeFields
}

func (e *Entity) DomainCNName() string {
	return "家庭"
}

func (e *Entity) DomainCamelName() string {
	return "Family"
}

func (e *Entity) ForCreate() error {
	err := e.CheckFieldID(e.DomainCNName())
	if err != nil {
		return err
	}

	err = e.checkFieldFather()
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) ForUpdate() error {
	err := e.CheckFieldID(e.DomainCNName())
	if err != nil {
		return err
	}

	err = e.checkUpdateFields()
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) checkFieldFather() error {
	if strutils.IsStringEmpty(e.Father) {
		return fserr.New(e.DomainCNName() + "父亲姓名为空")
	}

	if len(e.Father) > fieldFatherMaxLen {
		return fserr.New(e.DomainCNName() + "父亲姓名超出限定长度")
	}

	return nil
}

func (e *Entity) checkFieldMother() error {
	if strutils.IsStringEmpty(e.Mother) {
		return fserr.New(e.DomainCNName() + "母亲姓名为空")
	}

	if len(e.Mother) > fieldMotherMaxLen {
		return fserr.New(e.DomainCNName() + "母亲姓名超出限定长度")
	}

	return nil
}

func (e *Entity) checkUpdateFields() error {
	if strutils.AllBlank(e.Father, e.Mother) {
		return fserr.New(e.DomainCNName() + "没有传递需要更新的字段")
	}

	if strutils.IsStringNotEmpty(e.Father) && len(e.Father) > fieldFatherMaxLen {
		return fserr.New(e.DomainCNName() + "父亲姓名超出限定长度")
	}

	if strutils.IsStringNotEmpty(e.Mother) && len(e.Mother) > fieldMotherMaxLen {
		return fserr.New(e.DomainCNName() + "母亲姓名超出限定长度")
	}

	return nil
}