neoq/examples/add_postgres_job/main.go

54 lines
1.2 KiB
Go

package main
import (
"context"
"log"
"time"
"github.com/acaloiaro/neoq"
"github.com/acaloiaro/neoq/backends/postgres"
"github.com/acaloiaro/neoq/handler"
"github.com/acaloiaro/neoq/jobs"
)
func main() {
var done = make(chan bool, 1)
const queue = "foobar"
ctx := context.Background()
nq, err := neoq.New(ctx,
postgres.WithConnectionString("postgres://postgres:postgres@127.0.0.1:5432/neoq"),
neoq.WithBackend(postgres.Backend),
)
if err != nil {
log.Fatalf("error initializing postgres backend: %v", err)
}
defer nq.Shutdown(ctx)
h := handler.New(func(ctx context.Context) (err error) {
var j *jobs.Job
time.Sleep(1 * time.Second)
j, err = jobs.FromContext(ctx)
log.Println("got job id:", j.ID, "messsage:", j.Payload["message"])
done <- true
return
})
err = nq.Start(ctx, queue, h)
if err != nil {
log.Println("error listening to queue", err)
}
// Add a job that will execute 1 hour from now
jobID, err := nq.Enqueue(ctx, &jobs.Job{
Queue: queue,
Payload: map[string]interface{}{
"message": "hello, world",
},
})
if err != nil {
log.Fatalf("error adding job: %v", err)
}
log.Println("added job:", jobID)
<-done
}