/// <summary>
/// Creates a new instance of the <see cref="ScanQrCodePage"/> class.
/// For unit tests.
/// </summary>
/// <param name="viewModel">The view model to use.</param>
protected internal ScanQrCodePage(ScanQrCodeViewModel viewModel)
{
this.ViewModel = viewModel ?? new ScanQrCodeViewModel();
this.navigationService = DependencyService.Resolve <INavigationService>();
this.uiDispatcher = DependencyService.Resolve <IUiDispatcher>();
InitializeComponent();
}
public MainViewModel(
IUserDialogs userDialogs,
INavigationService navigationService,
IEventAggregator eventAggregator,
IAgentProvider agentContextProvider,
IWalletRecordService walletRecordService,
ILifetimeScope lifetimeScope,
ConnectionsViewModel connectionsViewModel,
CredentialsViewModel credentialsViewModel,
AccountViewModel accountViewModel,
CreateInvitationViewModel createInvitationViewModel,
ProofRequestsViewModel proofRequestsViewModel,
ScanQrCodeViewModel scanQrCodeViewModel
) : base(nameof(MainViewModel), userDialogs, navigationService)
{
Connections = connectionsViewModel;
Credentials = credentialsViewModel;
Account = accountViewModel;
CreateInvitation = createInvitationViewModel;
ProofRequests = proofRequestsViewModel;
ScanQrCode = scanQrCodeViewModel;
_eventAggregator = eventAggregator;
_walletRecordService = walletRecordService;
_agentContextProvider = agentContextProvider;
_lifetimeScope = lifetimeScope;
//for prompting dialog on connection events
//WalletEventService.Init(navigationService);
}
private void ContentPage_Appearing(object sender, EventArgs e)
{
//ScannerView.IsScanning = true;
//ScannerView.IsAnalyzing = true;
_vm = BindingContext as ScanQrCodeViewModel;
//_vm?.PageAppearingCommand.Execute(null);
CreateScannerView("QrCodeScanner", new List <BarcodeFormat> {
BarcodeFormat.QR_CODE
}, ZXingScannerView_OnScanResult);
if (Scanner != null)
{
Scanner.IsAnalyzing = true;
}
base.OnAppearing();
}
/// <summary>
/// 二维码扫描处理方法
/// </summary>
/// <param name="p">二维码所属包ID</param>
/// <param name="sn">二维码的信息编码</param>
/// <param name="userId">扫描人的用户ID</param>
/// <param name="userType">扫描人的用户类型</param>
/// <returns>二维码扫描结果</returns>
public string ScanQrCode(string sn = "", int userId = 0, int userType = 0)
{
ScanQrCodeViewModel scanResult = new ScanQrCodeViewModel();
scanResult.IsSuccess = false;
scanResult.Msg = "扫描二维码无效，请换一瓶";
if (string.IsNullOrEmpty(sn))
{
scanResult.ReturnUrl = "二维码不存在";
}
var totalIntegral = 0;
var rowNumber = 0;
//var memberInfo = _memberService.Find(userId);
RegistMember memberInfo = (from o in db.RegistMember
where o.MemberId == userId
select o).FirstOrDefault();
string isChance = ""; //标识，判断是否为活动概率规则
if (!string.IsNullOrEmpty(sn))
{
var code = EncryptHelper.Confusion(sn);
if (!string.IsNullOrEmpty(code) && code.Length == 18)
{
//获取二维码
IntegralGoodsQrc qrc = (from o in db.IntegralGoodsQrc
where o.Code == code
select o).FirstOrDefault();
if (qrc.State == 1)
{
var wrapCode = code.Substring(0, 2);
var categoryCode = code.Substring(2, 2);
var factoryCode = code.Substring(4, 2);
var monthCode = code.Substring(6, 2);
var productCode = code.Substring(8);
//获取积分规则
DateTime date = DateTime.Now;
var integralModel = (from o in db.IntegralRule
join c in db.IntegralGoods on o.GoodsId equals c.GoodsId
where o.RuleState != 100 && c.GoodsState != 100 && c.GoodsNo == categoryCode &&
o.StartDate <date && o.EndDate> date
orderby o.RuleType descending
select o).FirstOrDefault();
if (memberInfo.IsEnable == 0 && (memberInfo.RecommendId > 0 || integralModel.RuleId == 83))
{
if (integralModel != null)
{
int count = 0;
int scanIntegral = 0;
//使用二维码;添加商品积分记录;增加积分
var flag = Scan(integralModel.GoodsId, userId, qrc.QrcId, integralModel.Integral, (int)integralModel.RuleType, code, memberInfo.MemberCode, memberInfo.HotelName, out count, out scanIntegral, out isChance);
if (flag)
{
//操作成功
scanResult.IsSuccess = true;
if (integralModel.ScanLimit > 0)
{
if (count >= integralModel.ScanLimit)
{
//int score = integralModel.Integral / 2;
scanResult.Msg = string.Format("恭喜您！成功增加{0}积分", scanIntegral);
}
else
{
scanResult.Msg = string.Format("恭喜您！成功增加{0}积分", scanIntegral);
}
}
else
{
scanResult.Msg = string.Format("恭喜您！成功增加{0}积分", scanIntegral);
}
}
else
{
//操作失败
scanResult.Msg = "增加积分失败，请换一瓶。";
}
}
else
{
scanResult.Msg = "该产品不存在或者还没有对应的积分规则。";
}
}
else
{
scanResult.Msg = "产品积分扫码活动只针对已认证会员开展，未认证会员暂时无法扫描积分卡片。";
}
}
else
{
scanResult.Msg = string.Format("该二维码已被使用过。");
}
}
}
scanResult.TotalIntegral = totalIntegral;
scanResult.RowNumber = rowNumber;
return(scanResult.Msg + isChance.ToString());
}
