-(void)onStickerImageTap:(UITapGestureRecognizer*)gesture {
    UIImageView *stickerImage = (UIImageView *)gesture.view;
    PTChatStreamModel *model = [chatStream objectAtIndex:stickerImage.tag];

    if ([model isKindOfClass:[PTChatMessageModel class]]) {
        PTChatMessageModel *messageModel = (PTChatMessageModel *)model;
        tappedStickerId = messageModel.stickerId;
        if (messageModel.messageType==PTChatMessageTypeSticker) {
            PTVGiftManager *giftManager = [PTVGiftManager sharedInstance];
            PTStickerManager *stickerManager = [PTStickerManager sharedInstance];


            __weak __typeof(self)weakSelf = self;

            [stickerManager getMyStickerPacksWithCompletion:^(NSArray<PTStickerPack *> * _Nullable packs) {
                if (packs && packs.count > 0) {

                    __block int count = 0;


                    [stickerManager getAndCacheStickersWithStickerPackId:tappedStickerId completion:^(PTStickerPack *selectedStickerPack ) {


                        __strong typeof(self)strongSelf = weakSelf;


                        if (count == 0) {
                            if([packs containsObject:selectedStickerPack]) {
                                [stickerAlert addAction:[UIAlertAction actionWithTitle:kLocalizedString_OK style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                                    [strongSelf showStickerPickerPopup];
                                }]];
                                [strongSelf presentViewController:stickerAlert animated:YES completion:nil];
                            } else {

                                //navigate to detailed gift view

                                [giftManager fetchAllGiftsWithBlock:^(PTVGiftCategoryModel *model, NSError *error) {

                                    __strong typeof(self)strongSelf = weakSelf;

                                    if ((arrCategory && arrCategory.count > 0) && (model.gifts && model.gifts.count > 0)) {

                                                    giftWebVC.delegate = strongSelf;
                                                    giftWebVC.giftUrl = vgiftData.sponsorUrl;
                                                    giftWebVC.giftName = vgiftData.description;
                                                    _vgiftData = vgiftData;
                                                    [strongSelf presentViewController:giftWebVC animated:YES completion:nil];
                                                } else {
                                                    [strongSelf showGiftDetailsController:vgiftData];
                                                }
                                            } else {
                                                [strongSelf showStickerPickerPopup];
                                            }

                                        } else {
                                            //gift not available navigate to market place screen
                                            [strongSelf showStickerPickerPopup];
                                        }
                                    }
                                }];
                            }
                        }
                    }];
                }
                return;
            }];
        }
    }