1 files changed, 2 insertions, 60 deletions
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index affa5d2..3a6e695 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -1,15 +1,5 @@
 package feed
 
-import (
-  "encoding/json"
-  "fmt"
-)
-
-const (
-  CvssVersion31 = iota  // CVSS version 3.1
-  CvssVersion20 // CVSS version 2.0
-)
-
 // TODO: parse cpe, cve id
 
 // CVE metadata
@@ -126,58 +116,10 @@ type ItemConfigurations struct {
   Nodes []ConfigurationNode `json:"nodes"`
 }
 
-// CVSS version.
-type CvssV3Version int
-
-// Unmarshal CVSS version from JSON.
-func (me *CvssV3Version) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "3.1":
-    *me = CvssVersion31
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS V3 version: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
-// CVSS V2 version.
-type CvssV2Version int
-
-// Unmarshal CVSS version from JSON.
-func (me *CvssV2Version) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "2.0":
-    *me = CvssVersion20
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS V2 version: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
 // CVSS V3
 type CvssV3 struct {
   // CVSS V3 version
-  Version CvssV3Version `json:"version"`
+  Version V3Version `json:"version"`
 
   // CVSS V3 vector string (FIXME: add custom type)
   VectorString string `json:"vectorString"`
@@ -220,7 +162,7 @@ type BaseMetricV3 struct {
 // CVSS V2
 type CvssV2 struct {
   // CVSS V2 version
-  Version CvssV2Version `json:"version"`
+  Version V2Version `json:"version"`
 
   // CVSS V3 vector string (FIXME: add custom type)
   VectorString string `json:"vectorString"`