From f18210c30e67de4bede7c6080d85629f7086676c Mon Sep 17 00:00:00 2001
From: alex <alexander.vrabel@proton.me>
Date: Fri, 10 Jul 2026 20:28:47 +0200
Subject: separated commands into their own files TODO: refactor all commands
 to work like this

---
 pkg/core/redisDB.go | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 pkg/core/redisDB.go

(limited to 'pkg/core/redisDB.go')

diff --git a/pkg/core/redisDB.go b/pkg/core/redisDB.go
new file mode 100644
index 0000000..cbd737c
--- /dev/null
+++ b/pkg/core/redisDB.go
@@ -0,0 +1,61 @@
+package core
+
+import (
+	"fmt"
+	"time"
+)
+
+
+type Item struct {
+	Value any
+	ExpiresAt *time.Time
+}
+
+type RedisDB struct {
+	Shards []*Shard
+}
+
+type SimpleString string
+
+func SerializeRESP(v any) []byte {
+    switch val := v.(type) {
+    case string:
+		bulkString := fmt.Sprintf("$%d\r\n%s\r\n", len(val), val)
+        return []byte(bulkString)
+    case int:
+		integerString := fmt.Sprintf(":%d\r\n",val)
+        return []byte(integerString)
+    case nil:
+		return []byte("$-1\r\n")
+    case error:
+        errorString := fmt.Sprintf("-ERR %s\r\n",val.Error())
+		return []byte(errorString)
+    case []string:
+        size := len(val)
+		result := []byte(fmt.Sprintf("*%d\r\n", size))
+		for i := 0; i < size; i++ {
+			result = append(result, SerializeRESP(val[i])...)
+		}
+		return result
+	case []any:
+		size := len(val)
+		result := []byte(fmt.Sprintf("*%d\r\n", size))
+		for i := 0; i < size; i++ {
+			result = append(result, SerializeRESP(val[i])...)
+		}
+		return result
+	case map[string]string:
+		size := len(val)
+		result := []byte(fmt.Sprintf("*%d\r\n", size*2))
+		for key, value := range val {
+			result = append(result, SerializeRESP(key)...)
+			result = append(result, SerializeRESP(value)...)
+		}
+		return result
+	case SimpleString:
+		simpleStr := fmt.Sprintf("+%s\r\n", val)
+		return []byte(simpleStr)
+    default:
+        return []byte("-ERR internal server error: unknown type\r\n")
+    }
+}
-- 
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