feat: refactor layers registration

internal/proxy/director/layer/queue/layer_options.go

@@ -0,0 +1,48 @@
+package queue
+
+import (
+	"reflect"
+	"time"
+
+	"forge.cadoles.com/cadoles/bouncer/internal/store"
+	"github.com/mitchellh/mapstructure"
+	"github.com/pkg/errors"
+)
+
+type LayerOptions struct {
+	Capacity  int64         `mapstructure:"capacity"`
+	Matchers  []string      `mapstructure:"matchers"`
+	KeepAlive time.Duration `mapstructure:"keepAlive"`
+}
+
+func fromStoreOptions(storeOptions store.LayerOptions, defaultKeepAlive time.Duration) (*LayerOptions, error) {
+	layerOptions := LayerOptions{
+		Capacity:  1000,
+		Matchers:  []string{"*"},
+		KeepAlive: defaultKeepAlive,
+	}
+
+	config := mapstructure.DecoderConfig{
+		DecodeHook: stringToDurationHook,
+		Result:     &layerOptions,
+	}
+
+	decoder, err := mapstructure.NewDecoder(&config)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := decoder.Decode(storeOptions); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return &layerOptions, nil
+}
+
+func stringToDurationHook(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
+	if t == reflect.TypeOf(*new(time.Duration)) && f == reflect.TypeOf("") {
+		return time.ParseDuration(data.(string))
+	}
+
+	return data, nil
+}