add options, kafka basic code

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 golang-queue
+Copyright (c) 2022 golang-queue/kafka
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

go.mod

@@ -17,3 +17,6 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
+
+
+replace github.com/golang-queue/kafka => ../../

go.sum

@@ -0,0 +1,64 @@
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+github.com/goccy/go-json v0.10.0 h1:mXKd9Qw4NuzShiRlOXKews24ufknHO7gx30lsDyokKA=
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+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

kafka.go

@@ -1 +1,62 @@
 package kafka
+
+import (
+	"context"
+	"sync"
+
+	"github.com/golang-queue/queue"
+	"github.com/golang-queue/queue/core"
+)
+
+var _ core.Worker = (*Worker)(nil)
+
+type Worker struct {
+	stop      chan struct{}
+	stopFlag  int32
+	stopOnce  sync.Once
+	startOnce sync.Once
+	opts      options
+}
+
+func NewWorker(opts ...Option) *Worker {
+	//var err error
+	w := &Worker{
+		opts: newOptions(opts...),
+	}
+	return w
+}
+
+func (w *Worker) startConsumer() (err error) {
+
+	// err := nil
+
+	// if err != nil {
+	// 	//
+	// }
+	return err
+}
+
+// Run start the worker
+func (w *Worker) Run(ctx context.Context, task core.QueuedMessage) error {
+	return w.opts.runFunc(ctx, task)
+}
+
+// Shutdown worker
+func (w *Worker) Shutdown() (err error) {
+
+	return err
+}
+
+// Queue send notification to queue
+func (w *Worker) Queue(job core.QueuedMessage) (err error) {
+	//err := nil
+
+	return err
+
+}
+
+func (w *Worker) Request() (core.QueuedMessage, error) {
+
+	return nil, queue.ErrNoTaskInQueue
+
+}

options.go

@@ -1,7 +1,43 @@
 package kafka
 
+import (
+	"context"
+
+	"github.com/golang-queue/queue"
+	"github.com/golang-queue/queue/core"
+)
+
 // Option for queue system
 type Option func(*options)
 
 type options struct {
+	runFunc func(context.Context, core.QueuedMessage) error
+	logger  queue.Logger
+	queue   string
+}
+
+// WithQueue setup the queue name
+func WithQueue(val string) Option {
+	return func(w *options) {
+		w.queue = val
+	}
+}
+
+// WithRunFunc setup the run func of queue
+func WithRunFunc(fn func(context.Context, core.QueuedMessage) error) Option {
+	return func(w *options) {
+		w.runFunc = fn
+	}
+}
+
+// WithLogger set custom logger
+func WithLogger(l queue.Logger) Option {
+	return func(w *options) {
+		w.logger = l
+	}
+}
+
+func newOptions(opts ...Option) options {
+	defaultOpts := options{}
+	return defaultOpts
 }

options_test.go

@@ -1 +1,39 @@
 package kafka
+
+import (
+	"testing"
+	"time"
+
+	"github.com/golang-queue/queue"
+	"github.com/stretchr/testify/assert"
+	"go.uber.org/goleak"
+)
+
+func TestMain(m *testing.M) {
+	goleak.VerifyTestMain(m)
+}
+
+type mockMessage struct {
+	Message string
+}
+
+func (m mockMessage) Bytes() []byte {
+	return []byte(m.Message)
+}
+
+func TestShutdownWorkFlow(t *testing.T) {
+	w := NewWorker(
+		WithQueue("test"),
+	)
+	q, err := queue.NewQueue(
+		queue.WithWorker(w),
+		queue.WithWorkerCount(2),
+	)
+	assert.NoError(t, err)
+	q.Start()
+	time.Sleep(1 * time.Second)
+	q.Shutdown()
+	// check shutdown once
+	q.Shutdown()
+	q.Wait()
+}