From d04d8f94dcfc8f32ea6b7c38cd8fb31834ced1c0 Mon Sep 17 00:00:00 2001
From: Antonio <acheong@student.dalat.org>
Date: Tue, 13 Jun 2023 00:47:24 +0800
Subject: [PATCH] efficiently update bard convo hash

---
 internal/bard/request.go   |  8 --------
 internal/bard/utilities.go | 16 ++++++++++++++++
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/internal/bard/request.go b/internal/bard/request.go
index 84601f6..aacf71d 100644
--- a/internal/bard/request.go
+++ b/internal/bard/request.go
@@ -6,14 +6,6 @@ type BardCache struct {
 	Bards map[string]*Bard
 }
 
-func GarbageCollectCache(cache *BardCache) {
-	for k, v := range cache.Bards {
-		if time.Since(v.LastInteractionTime) > time.Minute*5 {
-			delete(cache.Bards, k)
-		}
-	}
-}
-
 var cache *BardCache
 
 func init() {
diff --git a/internal/bard/utilities.go b/internal/bard/utilities.go
index 669926a..3aad9b6 100644
--- a/internal/bard/utilities.go
+++ b/internal/bard/utilities.go
@@ -3,6 +3,7 @@ package bard
 import (
 	"crypto/md5"
 	"encoding/hex"
+	"time"
 )
 
 func HashConversation(conversation []string) string {
@@ -12,3 +13,18 @@ func HashConversation(conversation []string) string {
 	}
 	return hex.EncodeToString(hash.Sum(nil))
 }
+
+func GarbageCollectCache(cache *BardCache) {
+	for k, v := range cache.Bards {
+		if time.Since(v.LastInteractionTime) > time.Minute*5 {
+			delete(cache.Bards, k)
+		}
+	}
+}
+
+func UpdateBardHash(old_hash, hash string) {
+	if _, ok := cache.Bards[old_hash]; ok {
+		cache.Bards[hash] = cache.Bards[old_hash]
+		delete(cache.Bards, old_hash)
+	}
+}