request.go

package wechat

import (
	"encoding/xml"
	"strings"
)

const (
	textValue       = "text"
	imageValue      = "image"
	voiceValue      = "voice"
	videoValue      = "video"
	shortVideoValue = "shortvideo"
	locationValue   = "location"
	linkValue       = "link"

	eventValue            = "event"
	subscribeEventValue   = "subscribe"
	unsubscribeEventValue = "unsubscribe"
	scanEventValue        = "SCAN"
	locationEventValue    = "LOCATION"
	clickEventValue       = "CLICK"
	viewEventValue        = "VIEW"

	scancodePushEventValue              = "scancode_push"
	scancodeWaitmsgEventValue           = "scancode_waitmsg"
	picSysphotoEventValue               = "pic_sysphoto"
	picPhotoOrAlbumEventValue           = "pic_photo_or_album"
	picWeixinEventValue                 = "pic_weixin"
	locationSelectEventValue            = "location_select"
	templateSendJobFinishEventTypeValue = "TEMPLATESENDJOBFINISH"
)

type MsgType int

const (
	UnknownType MsgType = iota
	TextType
	ImageType
	VoiceType
	VideoType
	ShortVideoType
	LocationType
	LinkType

	EventType

	SubscribeEventType
	UnsubscribeEventType
	ScanEventType
	ScanSubscribeEventType
	LocationEventType
	MenuViewEventType
	MenuClickEventType

	ScancodePushEventType
	ScancodeWaitmsgEventType
	PicSysphotoEventType
	PicPhotoOrAlbumEventType
	PicWeixinEventType
	LocationSelectEvenType

	TemplateSendJobFinishEventType
)

type ScanCodeInfo struct {
	ScanType   string
	ScanResult string
}

type SendPicsInfo struct {
	Count   int
	PicList []PicListItem
}

type PicMd5Sum struct {
	PicMd5Sum string
}

type PicListItem struct {
	Item PicMd5Sum `xml:"item"`
}

type SendLocationInfo struct {
	Location_X float64
	Location_Y float64
	Scale      float64
	Label      string
	Poiname    string
}

type requestMessage struct {
	ToUserName   string
	FromUserName string
	CreateTime   int
	MsgType      string
	Content      string
	MsgId        int64
	PicUrl       string
	MediaId      string
	Format       string
	Recognition  string
	ThumbMediaId string
	Location_X   float64
	Location_Y   float64
	Scale        int
	Label        string
	Title        string
	Description  string
	Url          string
	Event        string
	EventKey     string
	Ticket       string
	Latitude     float32
	Longitude    float32
	Precision    float32

	MenuId           int64
	ScanCodeInfo     ScanCodeInfo
	SendPicsInfo     SendPicsInfo
	SendLocationInfo SendLocationInfo

	Status string
}

type defaultRequestMessage struct {
	rm requestMessage
}

func (dft *defaultRequestMessage) Unmarshal(data []byte) (err error) {
	return xml.Unmarshal(data, &dft.rm)
}

func (dft *defaultRequestMessage) ToUserName() string {
	return dft.rm.ToUserName
}

func (dft *defaultRequestMessage) FromUserName() string {
	return dft.rm.FromUserName
}

func (dft *defaultRequestMessage) CreateTime() int {
	return dft.rm.CreateTime
}

func (dft *defaultRequestMessage) MsgType() MsgType {
	switch dft.rm.MsgType {
	case textValue:
		return TextType
	case imageValue:
		return ImageType
	case voiceValue:
		return VoiceType
	case videoValue:
		return VideoType
	case shortVideoValue:
		return ShortVideoType
	case locationValue:
		return LocationType
	case linkValue:
		return LinkType
	case eventValue:

		switch dft.Event() {
		case unsubscribeEventValue:
			return UnsubscribeEventType
		case subscribeEventValue:
			if strings.HasPrefix(dft.EventKey(), "qrscene_") {
				return ScanSubscribeEventType
			}
			return SubscribeEventType
		case scanEventValue:
			return ScanEventType
		case locationEventValue:
			return LocationEventType
		case clickEventValue:
			return MenuClickEventType
		case scancodePushEventValue:
			return ScancodePushEventType
		case scancodeWaitmsgEventValue:
			return ScancodeWaitmsgEventType
		case picSysphotoEventValue:
			return PicSysphotoEventType
		case picPhotoOrAlbumEventValue:
			return PicPhotoOrAlbumEventType
		case picWeixinEventValue:
			return PicWeixinEventType
		case locationSelectEventValue:
			return LocationSelectEvenType
		case templateSendJobFinishEventTypeValue:
			return TemplateSendJobFinishEventType
		}

	}
	return UnknownType
}

func (dft *defaultRequestMessage) Content() string {
	return dft.rm.Content
}

func (dft *defaultRequestMessage) MsgId() int64 {
	return dft.rm.MsgId
}

func (dft *defaultRequestMessage) PicUrl() string {
	return dft.rm.PicUrl
}

func (dft *defaultRequestMessage) MediaId() string {
	return dft.rm.MediaId
}

func (dft *defaultRequestMessage) Format() string {
	return dft.rm.Format
}

func (dft *defaultRequestMessage) Recognition() string {
	return dft.rm.Recognition
}

func (dft *defaultRequestMessage) ThumbMediaId() string {
	return dft.rm.ThumbMediaId
}

func (dft *defaultRequestMessage) LocationX() float64 {
	return dft.rm.Location_X
}

func (dft *defaultRequestMessage) LocationY() float64 {
	return dft.rm.Location_Y
}

func (dft *defaultRequestMessage) Scale() int {
	return dft.rm.Scale
}

func (dft *defaultRequestMessage) Label() string {
	return dft.rm.Label
}

func (dft *defaultRequestMessage) Title() string {
	return dft.rm.Title
}

func (dft *defaultRequestMessage) Description() string {
	return dft.rm.Description
}

func (dft *defaultRequestMessage) Url() string {
	return dft.rm.Url
}

func (dft *defaultRequestMessage) Event() string {
	return dft.rm.Event
}

func (dft *defaultRequestMessage) EventKey() string {
	return dft.rm.EventKey
}

func (dft *defaultRequestMessage) Ticket() string {
	return dft.rm.Ticket
}

func (dft *defaultRequestMessage) Latitude() float32 {
	return dft.rm.Latitude
}

func (dft *defaultRequestMessage) Longitude() float32 {
	return dft.rm.Longitude
}

func (dft *defaultRequestMessage) Precision() float32 {
	return dft.rm.Precision
}

func (dft *defaultRequestMessage) MenuId() int64 {
	return dft.rm.MenuId
}

func (dft *defaultRequestMessage) ScanCodeInfo() ScanCodeInfo {
	return dft.rm.ScanCodeInfo
}

func (dft *defaultRequestMessage) SendPicsInfo() SendPicsInfo {
	return dft.rm.SendPicsInfo
}

func (dft *defaultRequestMessage) SendLocationInfo() SendLocationInfo {
	return dft.rm.SendLocationInfo
}

func (dft *defaultRequestMessage) Status() string {
	return dft.rm.Status
}

type baseMessage interface {
	ToUserName() string
	FromUserName() string
	CreateTime() int
	MsgType() MsgType
}

type TextMessage interface {
	baseMessage
	MsgId() int64
	Content() string
}

type ImageMessage interface {
	baseMessage
	MsgId() int64
	PicUrl() string
	MediaId() string
}

type VoiceMessage interface {
	baseMessage
	MediaId() string
	Recognition() string
	Format() string
	MsgId() int64
}

type VideoMessage interface {
	baseMessage
	MediaId() string
	ThumbMediaId() string
	MsgId() int64
}

type ShortVideoMessage interface {
	baseMessage
	MediaId() string
	ThumbMediaId() string
	MsgId() int64
}

type LocationMessage interface {
	baseMessage
	LocationX()
	LocationY()
	Scale() int
	Label() string
	MsgId() int64
}

type LinkMessage interface {
	baseMessage
	Title() string
	Description() string
	Url() string
	MsgId() int64
}

type SubscribeEventMessage interface {
	baseMessage
	Event() string
}

type UnsubscribeEventMessage interface {
	baseMessage
	Event() string
}

type ScanSubscribeEventMessage interface {
	baseMessage
	Event() string
	EventKey() string
	Ticket() string
}

type ScanEventMessage interface {
	baseMessage
	Event() string
	EventKey() string
	Ticket() string
}

type LocationEventMessage interface {
	baseMessage
	Event() string
	Latitude()
	Longitude() float32
	Precision() float32
}

type MenuViewEventMessage interface {
	baseMessage
	Event() string
	EventKey() string
	MenuId() int64
}

type MenuClickEventMessage interface {
	baseMessage
	Event() string
	EventKey() string
}