model

type Group struct {
	GroupName    string `json:"groupname" form:"groupname"`
	Creator      string `json:"creator" form:"creator"`
	CreationDate string `json:"creationdate" form:"creationdate"`
	Description  string `json:"description" form:"description"`
	Members      []User `json:"members" form:"members"`
}

type Message struct {
	Send_At   time.Time `json:"date" form:"date"`
	Sender    string    `json:"sender" form:"sender"`
	GroupName string    `json:"groupname" form:"groupname"`
	Content   string    `json:"content" form:"content"`
}

type User struct {
	Username string `json:"username" form:"username"`
	Password string `json:"password" form:"password"`
}