⚡ Add cache into typing status set queries

pkg/internal/services/status.go

@@ -3,6 +3,7 @@ package services
 import (
 	"context"
 	"fmt"
+	"sync"
 
 	"git.solsynth.dev/hydrogen/dealer/pkg/hyper"
 	"git.solsynth.dev/hydrogen/dealer/pkg/proto"
@@ -11,13 +12,33 @@ import (
 	"git.solsynth.dev/hydrogen/messaging/pkg/internal/models"
 )
 
+type statusQueryCacheEntry struct {
+	Account models.Account
+	Member  models.ChannelMember
+	Channel models.Channel
+}
+
+var statusQueryCacheLock sync.Mutex
+
+// Map for caching typing status queries [channel id][user id]
+var statusQueryCache map[uint]map[uint]statusQueryCacheEntry
+
 func SetTypingStatus(channelId uint, userId uint) error {
 	var account models.Account
+	var member models.ChannelMember
+	var channel models.Channel
+
+	if channelLevel, ok := statusQueryCache[channelId]; ok {
+		if entry, ok := channelLevel[userId]; ok {
+			account = entry.Account
+			member = entry.Member
+			channel = entry.Channel
+		}
+	} else {
 		if err := database.C.Where("external_id = ?", userId).First(&account).Error; err != nil {
 			return fmt.Errorf("account not found: %v", err)
 		}
 
-	var member models.ChannelMember
 		if err := database.C.
 			Where("account_id = ? AND channel_id = ?", account.ID, channelId).
 			First(&member).Error; err != nil {
@@ -26,7 +47,6 @@ func SetTypingStatus(channelId uint, userId uint) error {
 			member.Account = account
 		}
 
-	var channel models.Channel
 		if err := database.C.
 			Preload("Members").
 			Where("id = ?", channelId).
@@ -34,6 +54,15 @@ func SetTypingStatus(channelId uint, userId uint) error {
 			return fmt.Errorf("channel not found: %v", err)
 		}
 
+		// Cache queries
+		statusQueryCacheLock.Lock()
+		if _, ok := statusQueryCache[channelId]; !ok {
+			statusQueryCache[channelId] = make(map[uint]statusQueryCacheEntry)
+		}
+		statusQueryCache[channelId][userId] = statusQueryCacheEntry{account, member, channel}
+		statusQueryCacheLock.Unlock()
+	}
+
 	var broadcastTarget []uint64
 	for _, item := range channel.Members {
 		if item.AccountID == member.AccountID {