add and refine thunderball results page

helpers/distinctresults.go

@@ -0,0 +1,21 @@
+package helpers
+
+import "database/sql"
+
+func GetDistinctValues(db *sql.DB, column string) ([]string, error) {
+	query := "SELECT DISTINCT " + column + " FROM results_thunderball ORDER BY " + column
+	rows, err := db.Query(query)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var values []string
+	for rows.Next() {
+		var val string
+		if err := rows.Scan(&val); err == nil {
+			values = append(values, val)
+		}
+	}
+	return values, nil
+}