baize/examples/example_domain/configuration/entity.go

package configuration

import (
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/fserr"
)

const (
	TableName = "test.configurations"
)

const (
	ColumnGroup = "group"
	ColumnValue = "value"
)

const (
	domainCNName = "配置"
)

const (
	fieldGroupMaxLen = 256
	fieldValueMaxLen = 256
)

type Entity struct {
	Group string `sqlmapping:"column:group;key;notUpdate;" sqlresult:"column:group;"`
	Value string `sqlmapping:"column:value;notUpdate;" sqlresult:"column:value;"`
}

func (e *Entity) DomainCNName() string {
	return domainCNName
}

func (e *Entity) CheckKeyFields() error {
	return e.checkFieldGroup()
}

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

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

	return nil
}

func (e *Entity) checkFieldGroup() error {
	if strutils.IsStringEmpty(e.Group) {
		return fserr.New(domainCNName + "组为空")
	}

	if len(e.Group) > fieldGroupMaxLen {
		return fserr.New(domainCNName + "组超出限定长度")
	}

	return nil
}

func (e *Entity) checkFieldValue() error {
	if strutils.IsStringEmpty(e.Value) {
		return fserr.New(domainCNName + "值为空")
	}

	if len([]byte(e.Value)) > fieldValueMaxLen {
		return fserr.New(domainCNName + "值超出限定长度")
	}

	return nil
}