internal/feed: add vector and tests

1 files changed, 34 insertions, 0 deletions

diff --git a/internal/feed/vector.go b/internal/feed/vector.go
new file mode 100644
index 0000000..a326c85
--- /dev/null
+++ b/internal/feed/vector.go
@@ -0,0 +1,34 @@
+// NVD JSON feed parser.
+package feed
+
+import (
+  "encoding/json"
+  "nvd/internal/cvss"
+)
+
+// CVSS vector
+type Vector struct {
+  // CVSS vector
+  Vector cvss.Vector
+}
+
+// Unmarshal CVSS score from JSON.
+func (me *Vector) UnmarshalJSON(b []byte) error {
+  // decode string, check for error
+  var s string
+  if err := json.Unmarshal(b, &s); err != nil {
+    return err
+  }
+
+  // parse vector
+  vec, err := cvss.NewVector(s)
+  if err != nil {
+    return err
+  }
+
+  // save result
+  me.Vector = vec
+
+  // return success
+  return nil
+}