can determine the winner

1 files changed, 9 insertions, 0 deletions

diff --git a/internal/quorum.go b/internal/quorum.go
index 032ebc8..b506bfb 100644
--- a/internal/quorum.go
+++ b/internal/quorum.go
@@ -1,6 +1,7 @@
 package internal
 
 import (
+	"fmt"
 	"log"
 	"sort"
 )
@@ -17,6 +18,14 @@ func (q quorumMap) vote(v vote) {
 	q[v.from] = v
 }
 
+func (q quorumMap) winner(config config) (string, error) {
+	scores := q.score(config)
+	if len(scores) == 0 {
+		return "", fmt.Errorf("unable to find a winner, empty score list")
+	}
+	return scores[0].id, nil
+}
+
 func (q quorumMap) score(config config) (scores []score) {
 	q.cleanExpired()
 	scoreMap := make(map[string]int)