feat: msg local cache

pkg/rpccache/friend.go

@@ -0,0 +1,38 @@
+package rpccache
+
+import (
+	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/cachekey"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/localcache"
+	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
+)
+
+func NewFriendLocalCache(client rpcclient.FriendRpcClient) *FriendLocalCache {
+	return &FriendLocalCache{
+		local:  localcache.New[any](),
+		client: client,
+	}
+}
+
+type FriendLocalCache struct {
+	local  localcache.Cache[any]
+	client rpcclient.FriendRpcClient
+}
+
+func (f *FriendLocalCache) GetFriendIDs(ctx context.Context, ownerUserID string) ([]string, error) {
+	return localcache.AnyValue[[]string](f.local.Get(ctx, cachekey.GetFriendIDsKey(ownerUserID), func(ctx context.Context) (any, error) {
+		return f.client.GetFriendIDs(ctx, ownerUserID)
+	}))
+}
+
+func (f *FriendLocalCache) IsFriend(ctx context.Context, possibleFriendUserID, userID string) (bool, error) {
+	return localcache.AnyValue[bool](f.local.Get(ctx, cachekey.GetIsFriendKey(possibleFriendUserID, userID), func(ctx context.Context) (any, error) {
+		return f.client.IsFriend(ctx, possibleFriendUserID, userID)
+	}))
+}
+
+func (f *FriendLocalCache) IsBlocked(ctx context.Context, possibleBlackUserID, userID string) (bool, error) {
+	return localcache.AnyValue[bool](f.local.Get(ctx, cachekey.GetIsBlackIDsKey(possibleBlackUserID, userID), func(ctx context.Context) (any, error) {
+		return f.client.IsFriend(ctx, possibleBlackUserID, userID)
+	}))
+}