Merge pull request 'fix' (#12) from master into dev

Reviewed-on: #12

app/routers/take.go

@@ -1,8 +1,11 @@
 package routers
 
 import (
+	"fmt"
 	"net/http"
 	tasks "queues-go/app/storage/mongo/collections"
+	"queues-go/app/storage/redis"
+	"time"
 )
 
 type TaskResponse struct {
@@ -17,17 +20,17 @@ type TakeResponse struct {
 
 func Take(r *http.Request) (interface{}, int) {
 	queue := r.Header.Get("queue")
-	// mutex := redis.Sync.NewMutex(fmt.Sprintf("lock_queues_%s", queue))
-	// for {
-	// 	err := mutex.Lock()
-	// 	if err != nil {
-	// 		time.Sleep(time.Millisecond * 5)
-	// 	} else {
-	// 		break
-	// 	}
-	// }
+	mutex := redis.Sync.NewMutex(fmt.Sprintf("lock_queues_%s", queue))
+	for {
+		err := mutex.Lock()
+		if err != nil {
+			time.Sleep(time.Millisecond * 5)
+		} else {
+			break
+		}
+	}
 	task, err := tasks.Take(queue)
-	// mutex.Unlock()
+	mutex.Unlock()
 	if err != nil {
 		return nil, http.StatusInternalServerError
 	}