feat: rewriter layer

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

@@ -0,0 +1,56 @@
+package rewriter
+
+import (
+	"forge.cadoles.com/cadoles/bouncer/internal/store"
+	"github.com/mitchellh/mapstructure"
+	"github.com/pkg/errors"
+)
+
+type LayerOptions struct {
+	MatchURLs []string `mapstructure:"matchURLs"`
+	Rules     Rules    `mapstructure:"rules"`
+}
+
+type Rules struct {
+	Request  []string `mapstructure:"request"`
+	Response []string `mapstructure:"response"`
+}
+
+func DefaultLayerOptions() LayerOptions {
+	return LayerOptions{
+		MatchURLs: []string{"*"},
+		Rules: Rules{
+			Request:  []string{},
+			Response: []string{},
+		},
+	}
+
+}
+
+func fromStoreOptions(storeOptions store.LayerOptions) (*LayerOptions, error) {
+	layerOptions := DefaultLayerOptions()
+
+	if err := FromStoreOptions(storeOptions, &layerOptions); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return &layerOptions, nil
+}
+
+func FromStoreOptions(storeOptions store.LayerOptions, dest any) error {
+	config := mapstructure.DecoderConfig{
+		Result:     dest,
+		ZeroFields: true,
+	}
+
+	decoder, err := mapstructure.NewDecoder(&config)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err := decoder.Decode(storeOptions); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}