functional

1 files changed, 26 insertions, 0 deletions

diff --git a/src/access.go b/src/access.go
new file mode 100644
index 0000000..6de2c05
--- /dev/null
+++ b/src/access.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"math/rand"
+	"strings"
+	"time"
+)
+
+func newAccessCode(length int) string {
+	// seed the random numbergenerator
+	rand.Seed(time.Now().UnixNano())
+
+	// define the alphabet
+	chars := []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
+		"abcdefghijklmnopqrstuvwxyz" +
+		"0123456789")
+
+	// build the accesscode
+	var b strings.Builder
+	for i := 0; i < length; i++ {
+		b.WriteRune(chars[rand.Intn(len(chars))])
+	}
+	str := b.String()
+
+	return str
+}