fix

app/routers/take.go

@@ -1,11 +1,9 @@
 package routers
 
 import (
-	"fmt"
 	"net/http"
 	tasks "queues-go/app/storage/mongo/collections"
-	"queues-go/app/storage/redis"
-	"time"
+	"sync"
 )
 
 type TaskResponse struct {
@@ -18,17 +16,16 @@ type TakeResponse struct {
 	Task *TaskResponse `json:"task"`
 }
 
+var MutexMap map[string]*sync.Mutex
+
 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, ok := MutexMap[queue]
+	if !ok {
+		mutex = &sync.Mutex{}
+		MutexMap[queue] = mutex
 	}
+	mutex.Lock()
 	task, err := tasks.Take(queue)
 	mutex.Unlock()
 	if err != nil {

main.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"queues-go/app/routers"
 	client "queues-go/app/storage/mongo"
-	"queues-go/app/storage/redis"
+	"sync"
 	"time"
 )
 
@@ -31,7 +31,7 @@ func handlerWrapper(f func(*http.Request) (interface{}, int)) func(http.Response
 
 func main() {
 	client.Connect()
-	redis.Connect()
+	routers.MutexMap = make(map[string]*sync.Mutex)
 	http.HandleFunc("/api/v1/take", handlerWrapper(routers.Take))
 	http.HandleFunc("/api/v1/finish", handlerWrapper(routers.Finish))
 	http.HandleFunc("/api/v1/put", handlerWrapper(routers.Put))