link shorter reuses short urls

1 files changed, 10 insertions, 0 deletions

diff --git a/crawler/utility.go b/crawler/utility.go
index d282dbd..c619b34 100644
--- a/crawler/utility.go
+++ b/crawler/utility.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"database/sql"
 	"errors"
 	"math"
 	"math/rand"
@@ -21,6 +22,15 @@ func stringInSlice(a string, list []string) bool {
 	return false
 }
 
+func stringInSQLSlice(a string, list []sql.NullString) bool {
+	for _, b := range list {
+		if b.String == a {
+			return true
+		}
+	}
+	return false
+}
+
 func detect_spirit_type(name string) string {
 	name = strings.ToLower(name)