aliza

type Group struct {
	Name            string   `json:"name"`
	Owner           string   `json:"owner"`           // Instance ID
	Members         []string `json:"members"`         // Instance ID list
	NotificationKey string   `json:"notificationkey"` // GCM device group unique ID
}

type GroupMessage struct {
	// To authentication
	InstanceId string `json:"instanceid"`
	// To the target user
	GroupName string `json:"groupname"`
	Message   string `json:"message"`
}

type GroupOperation struct {
	Operation             string   `json:"operation"`                  // "create", "add", "remove"
	Notification_key_name string   `json:"notification_key_name"`      // A unique group name in a Google project
	Notification_key      string   `json:"notification_key,omitempty"` // A unique key to identify a group
	Registration_ids      []string `json:"registration_ids"`           // APP registration tokens in the group
}

type GroupOperationResponse struct {
	Notification_key string `json:"notification_key"` // A unique key to identify a group
	Error            string `json:"error"`            // Error message
}

type GroupUser struct {
	// To authentication
	InstanceId string `json:"instanceid"`
	// The group
	GroupName string `json:"groupname"`
}

type Item struct {
	Id         string    `json:"id"          datastore:"-"`
	Image      string    `json:"image"`
	Thumbnail  string    `json:"thumbnail"`
	People     int       `json:"people"`
	Attendant  int       `json:"attendant"`
	Latitude   float64   `json:"latitude"`
	Longitude  float64   `json:"longitude"`
	CreateTime time.Time `json:"createtime"`
	// Members are whom join this item. The first member is the item owner.
	// When the first member leaves, delete the item.
	Members []ItemMember `json:"members"`
	// Google Cloud Messaging group unique name and ID. Reference: https://developers.google.com/cloud-messaging/notifications
	GcmGroupName string `json:"gcmgroupname"`
	GcmGroupKey  string `json:"gcmgroupkey"`
}

type ItemMember struct {
	UserKey     string `json:"userkey"`
	Attendant   int    `json:"attendant"`
	PhoneNumber string `json:"phonenumber,omitempty"`
	SkypeId     string `json:"skypeid,omitempty"`
}

type ItemUpdateNotification struct {
	Message       string `json:"message"`
	ItemId        string `json:"itemid"`
	RequestUserId string `json:"requestuserid"`
}

type TopicMessage struct {
	// To authentication
	InstanceId string `json:"instanceid"`
	// To the target user
	Topic   string `json:"topic"`
	Message string `json:"message"`
}

type UpdateItemState int

type User struct {
	InstanceId        string    `json:"instanceid"`
	RegistrationToken string    `json:"registrationtoken"`
	LastUpdateTime    time.Time `json:"lastupdatetime"`
}

type UserMessage struct {
	// To authentication
	InstanceId string `json:"instanceid"`
	// To the target user
	UserId  string `json:"userid"` // Datastore user kind key string
	Message string `json:"message"`
}

type UserRegistrationResponseBody struct {
	UserId string `json:"userid"`
}

type UserRegistrationTokenAuthenticity struct {
	Application      string `json:"application"`
	AuthorizedEntity string `json:"authorizedEntity"`
}