add options

README.md

@@ -31,9 +31,11 @@ import (
 )
 
 func main() {
-	expiration := 60 * time.Second
-	secretKey := "my-secret-key"
-	sessions.Init(secretKey, expiration)
+	opts := &sessions.Options{
+		Secret:"my-secret-key", 
+		Expiration:  60 * time.Second,
+	}
+	sessions.Init(opts)
 	data := map[string]string{
 		"username": "Test",
 		"role":     "user",

docs/examples/example.go

@@ -8,9 +8,11 @@ import (
 )
 
 func main() {
-	expiration := 60 * time.Second
-	secretKey := "my-secret-key"
-	sessions.Init(secretKey, expiration)
+	opts := &sessions.Options{
+		Secret:"my-secret-key", 
+		Expiration:  60 * time.Second,
+	}
+	sessions.Init(opts)
 	data := map[string]string{
 		"username": "Test",
 		"role":     "user",

sessions/sessions.go

@@ -20,10 +20,15 @@ var (
 	ErrEncryptionError = errors.New("error during encryption")
 )
 
+type Options struct {
+	Secret     string
+	Expiration time.Duration
+}
+
 // Init - initialise library, set secretKey for cypher hash and expirationTime
-func Init(key string, timeout time.Duration) {
-	crypt.SecretKey = key
-	expirationTime = timeout
+func Init(opts *Options) {
+	crypt.SecretKey = opts.Secret
+	expirationTime = opts.Expiration
 }
 
 // Create - create session from map

sessions/sessions_test.go

@@ -8,14 +8,13 @@ import (
 )
 
 func TestInit(t *testing.T) {
-	expectedSecretKey := "test"
-	expectedTimeout := 1 * time.Second
-	Init(expectedSecretKey, expectedTimeout)
-	if crypt.SecretKey != expectedSecretKey {
-		t.Error("Expected", expectedSecretKey, "got", crypt.SecretKey)
+	opts := &Options{Secret: "test", Expiration: 1 * time.Second}
+	Init(opts)
+	if crypt.SecretKey != opts.Secret {
+		t.Error("Expected", opts.Secret, "got", crypt.SecretKey)
 	}
-	if expirationTime != expectedTimeout {
-		t.Error("Expected", expectedTimeout, "got", expirationTime)
+	if expirationTime != opts.Expiration {
+		t.Error("Expected", opts.Expiration, "got", expirationTime)
 	}
 }