Load cache asynchronously

utils/atomic.go

@@ -0,0 +1,17 @@
+package utils
+
+import "sync/atomic"
+
+type AtomicBool struct{ flag int32 }
+
+func (b *AtomicBool) Get() bool {
+	return atomic.LoadInt32(&(b.flag)) != 0
+}
+
+func (b *AtomicBool) Set(value bool) {
+	var i int32 = 0
+	if value {
+		i = 1
+	}
+	atomic.StoreInt32(&(b.flag), i)
+}

utils/atomic_test.go

@@ -0,0 +1,27 @@
+package utils_test
+
+import (
+	"github.com/deluan/navidrome/utils"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("AtomicBool", func() {
+	var b utils.AtomicBool
+
+	BeforeEach(func() {
+		b = utils.AtomicBool{}
+	})
+
+	It("initializes with value = false", func() {
+		Expect(b.Get()).To(BeFalse())
+	})
+
+	It("sets value", func() {
+		b.Set(true)
+		Expect(b.Get()).To(BeTrue())
+
+		b.Set(false)
+		Expect(b.Get()).To(BeFalse())
+	})
+})