Merge pull request #23 from adambabik/fix/enum-parameter-value

fix parsing values of enum parameters

api/element.go

@@ -7,6 +7,8 @@ import (
 	"strings"
 )
 
+var ErrIsNotSlice = errors.New("is not a slice")
+
 type Element struct {
 	object interface{}
 }
@@ -96,6 +98,31 @@ func (b *Element) ChildrenMap() (map[string]*Element, error) {
 	return nil, errors.New("is not an object")
 }
 
+func (b *Element) FlatChildren() ([]*Element, error) {
+	val := b.Value()
+
+	switch val.Kind() {
+	case reflect.Slice:
+		children := make([]*Element, 0, val.Len())
+
+		for i := 0; i < val.Len(); i++ {
+			childVal := val.Index(i).Elem()
+
+			if nestedChildren, err := (&Element{childVal.Interface()}).FlatChildren(); err == nil {
+				children = append(children, nestedChildren...)
+			} else if err == ErrIsNotSlice {
+				children = append(children, &Element{childVal.Interface()})
+			} else {
+				return nil, err
+			}
+		}
+
+		return children, nil
+	}
+
+	return nil, ErrIsNotSlice
+}
+
 func (b *Element) hierarchy(key string) []string {
 	return strings.Split(key, ".")
 }

api/parser.go

@@ -312,10 +312,23 @@ func extractHrefs(child *Element) (h Href) {
 	}
 
 	for _, content := range contents {
+		value := content.Path("content.value.content").String()
+
+		if content.Path("content.value.element").String() == "enum" {
+			// Enum values are stored in a different location.
+			// As `attributes.samples` is an array of arrays
+			// and Parameter does not support multiple values,
+			// flattening the array and selecting the first elem works fine.
+			samples, err := content.Path("content.value.attributes.samples").FlatChildren()
+			if err == nil && len(samples) > 0 {
+				value = samples[0].Path("content").String()
+			}
+		}
+
 		v := &Parameter{
 			Required:    isContains("attributes.typeAttributes", "required", content),
 			Key:         content.Path("content.key.content").String(),
-			Value:       content.Path("content.value.content").String(),
+			Value:       value,
 			Kind:        content.Path("meta.title").String(),
 			Description: content.Path("meta.description").String(),
 		}