{
    key: 'grabCoupon',
    value: function grabCoupon(tag) {
        var self = this;
		
        $('.J_couponArea').on('click', function(e) {
            e.preventDefault();

            var $this = $(this);
            var $btnCoupon = $this.find('.J_couponBtn');
            var couponId = $this.attr('data-coupon-id');

            if ($this.attr('disabled')) {
                return false;
            }

            if (gIsLoginMi()) {
                $.ajax({
                    url: self.dataUrl.getCoupon,
                    type: 'GET',
                    xhrFields: {
                        withCredentials: true

                    },
                    data: {
                        tag: self.tag,
                        present_id: couponId

                    },
                    success: function success(res) {
                        if (res.code == 0 && (res.data. == 1 || res.data.present_type == 6) && res.data.present_id == couponId) {
                            $this.attr('disabled', 'disabled');
                            window.location.reload();

                        } else if (res.code == -2) {
                            gLogin(window.location.href);

                        } else if (res.code == 10027) {
                            // 認為沒有券了.
                            $this.attr('disabled', 'disabled');
                            $btnCoupon.text(_couponText['couponAllGone']);

                        } else {
                            // 認為沒有券了.
                            $this.attr('disabled', 'disabled');
                            $btnCoupon.text(_couponText['couponAllGone']);
                            if (GLOBAL_CONFIG.clientType == 'pc') {
                                alert(_couponText['couponFail']);

                            } else {
                                winTips({
                                    msg: _couponText['couponFail']

                                });

                            }

                        }

                    }

                });

            } else {
                gLogin(window.location.href);

            }

        });

    }