1 files changed, 18 insertions, 0 deletions
diff --git a/common/cooldown.go b/common/cooldown.go
new file mode 100644
index 0000000..75da6fd
--- /dev/null
+++ b/common/cooldown.go
@@ -0,0 +1,18 @@
+package common
+
+import "time"
+
+type CoolDown struct {
+	MinInterval time.Duration
+	lastTicked  time.Time
+}
+
+func (c *CoolDown) Tick() {
+	defer func() {
+		c.lastTicked = time.Now()
+	}()
+	if c.lastTicked.IsZero() {
+		return
+	}
+	time.Sleep(time.Now().Sub(c.lastTicked))
+}