baize-demo/project/server/application/domain/student/entity.go

package student

import (
	"git.sxidc.com/go-framework/baize/framework/core/domain"
	"git.sxidc.com/go-framework/baize/framework/core/domain/entity"
	"git.sxidc.com/go-framework/baize/framework/core/tag/check"
	"git.sxidc.com/go-tools/utils/strutils"
	"github.com/pkg/errors"
)

const (
	FieldName = "Name"
)

var (
	ColumnName = domain.ColumnName(FieldName)
)

var fieldMap = map[string]string{
	FieldName: "学生姓名",
}

type Entity struct {
	entity.Base
	Name        string   `sqlmapping:"column:name" sqlresult:"column:name" check:"required,lte=128"`
	FamilyID    string   `sqlmapping:"column:family_id" sqlresult:"column:family_id" check:"required,len=32"`
	ClassID     string   `sqlmapping:"column:class_id" sqlresult:"column:class_id" check:"required,len=32"`
	IdentityIDs []string `sqlmapping:"-" sqlresult:"-"`
	HobbyIDs    []string `sqlmapping:"-" sqlresult:"-"`
	entity.TimeFields
}

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

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

func (e *Entity) ForCreate() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

	err = domain.CheckField(checkResult, e.DomainCNName(), FieldName)
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) ForDelete() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

	return nil
}

func (e *Entity) ForUpdate() error {
	checkResult := check.Struct(e, fieldMap)

	err := entity.CheckFieldIDResult(checkResult)
	if err != nil {
		return err
	}

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

	return nil
}

func (e *Entity) checkUpdateFields(checkResult check.Result) error {
	if strutils.AllBlank(e.Name) {
		return errors.New(e.DomainCNName() + "没有传递需要更新的字段")
	}

	if strutils.IsStringNotEmpty(e.Name) {
		err := domain.CheckField(checkResult, e.DomainCNName(), FieldName)
		if err != nil {
			return err
		}
	}

	return nil
}