status-im/status-go

package requests

import (
    "errors"
)

var ErrSendGroupChatMessageInvalidID = errors.New("send-group-chat-message: invalid id")
var ErrSendGroupChatMessageInvalidMessage = errors.New("send-group-chat-message: invalid message")

type SendGroupChatMessage struct {
    ID      string `json:"id"`
    Message string `json:"message"`
}

func (a *SendGroupChatMessage) Validate() error {
    if len(a.ID) == 0 {
        return ErrSendGroupChatMessageInvalidID
    }

    if len(a.Message) == 0 {
        return ErrSendGroupChatMessageInvalidMessage
    }

    return nil
}