/
message.go
55 lines (44 loc) · 1.15 KB
/
message.go
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package consumer
import (
"encoding/json"
"github.com/bitly/go-nsq"
"golang.org/x/net/context"
)
// Message - Inherent nsq
type Message struct {
*nsq.Message
}
var msgkey = "nsqmsg"
// WithMessage - Returns nsq message from context.
func WithMessage(ctx context.Context, msg *Message) context.Context {
return context.WithValue(ctx, msgkey, msg)
}
// MessageFromContext - Returns nsq message from context.
func MessageFromContext(ctx context.Context) (*Message, bool) {
value, ok := ctx.Value(msgkey).(*Message)
return value, ok
}
// GiveUp - Finish message with success state because message never will be possible to process
func (m *Message) GiveUp() {
m.Finish(true)
}
// Success - Finish message as successfully proccessed
func (m *Message) Success() {
m.Finish(true)
}
// Fail - Mark message as failed to process
func (m *Message) Fail() {
m.Finish(false)
}
// Finish - Finish processing message
func (m *Message) Finish(success bool) {
if success {
m.Message.Finish()
} else {
m.Message.Requeue(-1)
}
}
// ReadJSON - Unmarshals JSON message body to interface.
func (m *Message) ReadJSON(v interface{}) error {
return json.Unmarshal(m.Body, v)
}