baize/convenient/relation/many2many/simple.go

package many2many

import (
	"git.sxidc.com/go-framework/baize/binding"
	"git.sxidc.com/go-framework/baize/binding/request"
	"git.sxidc.com/go-framework/baize/domain"
)

// Simple 关联的Bind参数
// LI 为左边实体的Info类型
// RI 为右边实体的Info类型
type Simple[LI any, RI any] struct {
	// 左领域实体，注意是Entity类型
	Left domain.Entity

	// 右领域实体，注意是Entity类型
	Right domain.Entity

	// 中间表表名
	MiddleTableName string

	// URL领域相对路径，如/person/identities，后面会自动补充，如/person/identities/update
	LeftDomainPath string

	// URL领域相对路径，如/identity/persons，后面会自动补充，如/identity/persons/update
	RightDomainPath string

	// 更新左实体关联使用的请求参数
	LeftUpdateJsonBody request.Params

	// 查询左实体关联使用的请求参数，注意是Query类型
	LeftQueryQueryParams request.Query

	// 更新右实体关联使用的请求参数
	RightUpdateJsonBody request.Params

	// 查询右实体关联使用的请求参数，注意是Query类型
	RightQueryQueryParams request.Query

	// 可选配置项，通过WithXXX配置
	options *Options
}

func (simple *Simple[LI, RI]) bind(binder *binding.Binder) {
	//options := simple.options

}

func BindSimple[LI any, RI any](binder *binding.Binder, simple *Simple[LI, RI], opts ...Option) {
	options := new(Options)

	for _, opt := range opts {
		opt(options)
	}

	simple.options = options

	simple.bind(binder)
}

type Option func(options *Options)

type Options struct {
	// 左实体中指向右实体的字段
	leftRelationField string

	// 右实体中指向左实体的字段
	rightRelationField string

	// 左实体中指向右实体的列名
	leftRelationColumn string

	// 右实体中指向左实体的列名
	rightRelationColumn string

	// 关闭左侧到右侧关联
	disableLeft bool

	// 关闭右侧到左侧关联
	disableRight bool

	// 关闭左侧更新
	disableLeftUpdate bool

	// 关闭左侧查询
	disableLeftQuery bool

	// 关闭右侧更新
	disableRightUpdate bool

	// 关闭右侧查询
	disableRightQuery bool
}

func WithLeftRelationField(leftRelationField string) Option {
	return func(options *Options) {
		options.leftRelationField = leftRelationField
	}
}

func WithRightRelationField(rightRelationField string) Option {
	return func(options *Options) {
		options.rightRelationField = rightRelationField
	}
}

func WithLeftRelationColumn(leftRelationColumn string) Option {
	return func(options *Options) {
		options.leftRelationColumn = leftRelationColumn
	}
}

func WithRightRelationColumn(rightRelationColumn string) Option {
	return func(options *Options) {
		options.rightRelationColumn = rightRelationColumn
	}
}

func WithDisableLeft() Option {
	return func(options *Options) {
		options.disableLeft = true
	}
}

func WithDisableRight() Option {
	return func(options *Options) {
		options.disableRight = true
	}
}

func WithDisableLeftUpdate() Option {
	return func(options *Options) {
		options.disableLeftUpdate = true
	}
}

func WithDisableLeftQuery() Option {
	return func(options *Options) {
		options.disableLeftQuery = true
	}
}

func WithDisableRightUpdate() Option {
	return func(options *Options) {
		options.disableRightUpdate = true
	}
}

func WithDisableRightQuery() Option {
	return func(options *Options) {
		options.disableRightQuery = true
	}
}