🐛 fix(parser): handle deduplicate commit messsage

Author: lazarus2019

cmd/gohome/cmd/report.go

@@ -201,10 +201,7 @@ func processCommits(repos []string, author, period string, cfg *viperconfig.Conf
 			continue
 		}
 
-		commits := make([]entity.Commit, 0, len(rawLogs))
-		for _, line := range rawLogs {
-			commits = append(commits, parserSvc.Parse(line))
-		}
+		commits := parserSvc.Parse(rawLogs)
 
 		if len(commits) > 0 {
 			foundAny = true

internal/parser/parser.go

@@ -20,7 +20,7 @@ func NewService() *Service {
 }
 
 // Parse converts a raw log line into a Commit entity.
-func (s *Service) Parse(rawLine string) entity.Commit {
+func (s *Service) parseSingleLine(rawLine string) entity.Commit {
 	emoji := s.extractEmoji(rawLine)
 	if emoji == "" {
 		emoji = "-"
@@ -49,6 +49,23 @@ func (s *Service) Parse(rawLine string) entity.Commit {
 	return commit
 }
 
+// Parse parses a slice of raw log lines and returns parsed commits with duplicate
+// commit messages removed (keeps the first occurrence).
+func (s *Service) Parse(rawLogs []string) []entity.Commit {
+    seen := make(map[string]bool)
+    result := make([]entity.Commit, 0, len(rawLogs))
+
+    for _, raw := range rawLogs {
+		if !seen[raw] {
+			seen[raw] = true
+			c := s.parseSingleLine(raw)
+            result = append(result, c)
+        }
+    }
+
+    return result
+}
+
 func (s *Service) extractEmoji(input string) string {
 	var emoji strings.Builder