From 316b443addb7ec55e27f571ef489f2c19afb3a82 Mon Sep 17 00:00:00 2001
From: alex <alexander.vrabel@proton.me>
Date: Mon, 6 Jul 2026 14:38:56 +0200
Subject: added struct Item and keyowrd EXPIRE so now we can track expire time
 of items in the db

---
 main.go | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index d225a52..ade1b76 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,7 @@ import (
 	"net"
 	"os"
 	"strings"
+	"time"
 )
 
 
@@ -27,10 +28,24 @@ var commandRegistry = map[string]handlerFunc{
     "LRANGE":   handleLrange,
     "LPOP":     handleLpop,
     "RPOP":     handleRpop,
+	"EXPIRE":	handleExpire,
 }
 
 func main() {
-	db = RedisDB{data: make(map[string]any)}
+	db = RedisDB{data: make(map[string]Item)}
+
+	go func() {
+		ticker := time.NewTicker(1 * time.Second)
+		for range ticker.C {
+			db.mu.Lock()
+			for k, v := range db.data {
+				if v.ExpiresAt != nil && time.Now().After(*v.ExpiresAt) {
+					delete(db.data, k)
+				}
+			}
+			db.mu.Unlock()
+		}
+	}()
 
 	listener, err := net.Listen("tcp", ":6379")
 	if err != nil {
-- 
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