MTP2.0_CSharp/Muchinfo.MTPClient/Fx4.0/Main/03.UI/Modules/Muchinfo.TASClient.Account/ViewModels/RiskControlNoticeViewModel.cs

using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using GalaSoft.MvvmLight.Ioc;
using Muchinfo.PC.Common.Extensions;
using Muchinfo.MTPClient.Account.Views;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Infrastructure.Utilities;
using Muchinfo.MTPClient.IService;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Controls;

namespace Muchinfo.MTPClient.Account.ViewModels
{
    public class RiskControlNoticeViewModel : ViewModelBase
    {
        private const int PageSize = 8;
        public RiskControlNoticeViewModel()
        {

        }
        public RiskControlNoticeViewModel(System.Collections.ObjectModel.ObservableCollection<Announcement> riskList)
        {

            RiskMessages = riskList;
        }
        /// <summary>
        /// 风控通知集合
        /// </summary>
        private ObservableCollection<Announcement> _riskMessages = new ObservableCollection<Announcement>();
        /// <summary>
        /// 风控通知集合
        /// </summary>
        public ObservableCollection<Announcement> RiskMessages
        {
            get
            {
                return _riskMessages;
            }
            set
            {
                Set(() => RiskMessages, ref _riskMessages, value);
                RaisePropertyChanged(() => RiskMessages);
                if (RiskMessages != null && RiskMessages.Count > 0)
                {
                    if (RiskMessages.Count % PageSize == 0)
                    {
                        TotalPageCount = RiskMessages.Count / PageSize;
                    }
                    else
                    {
                        TotalPageCount = RiskMessages.Count / PageSize + 1;
                    }
                    RaisePropertyChanged(() => CurrentPageMessages);
                }
                else
                {
                    TotalPageCount = 0;
                    CurrentPageIndex = 0;
                }
            }
        }
        public void InsertNewRisk(Announcement newAnnouncement)
        {
            if (RiskMessages != null)
            {
                RiskMessages.Insert(0, newAnnouncement);
                if (RiskMessages.Count % PageSize == 0)
                {
                    TotalPageCount = RiskMessages.Count / PageSize;
                }
                else
                {
                    TotalPageCount = RiskMessages.Count / PageSize + 1;
                }
                RaisePropertyChanged(() => CurrentPageMessages);
            }
            else
            {
                TotalPageCount = 0;
                CurrentPageIndex = 0;
            }
        }
        public ObservableCollection<Announcement> CurrentPageMessages
        {
            get
            {
                var query = RiskMessages.Skip((_currentPageIndex - 1) * PageSize).Take(PageSize);
                ObservableCollection<Announcement> temp = new ObservableCollection<Announcement>();
                foreach (Announcement an in query)
                {
                    temp.Add(an);
                }
                return temp;
            }
            set
            {
                RaisePropertyChanged(() => CurrentPageMessages);
            }
        }
        /// <summary>
        /// 当前选中风控通知
        /// </summary>
        private Announcement _currentRiskMessage;
        public Announcement CurrentRiskMessage
        {
            get
            {
                return _currentRiskMessage;
            }
            set
            {
                Set(() => CurrentRiskMessage, ref _currentRiskMessage, value);
                RaisePropertyChanged(() => CurrentRiskTitle);
                RaisePropertyChanged(() => CurrentRiskContent);
                RaisePropertyChanged(() => CurrentRiskLevel);
                if (CurrentRiskMessage != null)
                {
                    if (CurrentRiskMessage.ReadStatus == 0)
                    {
                        Task.Factory.TryStartNew(() =>
                        {
                            var announcementService = SimpleIoc.Default.GetInstance<IAnnouncementService>();
                            announcementService.ModifyBulletinNotifyStatus(UserManager.CurrentTradeAccount, CurrentRiskMessage);
                        });

                        CurrentRiskMessage.ReadStatus = 1;
                        RaisePropertyChanged(() => CurrentRiskMessage);
                    }
                }

            }
        }
        private int _currentPageIndex = 1;
        public int CurrentPageIndex
        {
            get
            {
                if (_totalPageCount == 0)
                {
                    _currentPageIndex = 0;
                }
                if (_totalPageCount != 0 && _currentPageIndex == 0)
                {
                    _currentPageIndex = 1;
                }
                return _currentPageIndex;
            }
            set
            {
                Set(() => CurrentPageIndex, ref _currentPageIndex, value);
                RaisePropertyChanged(() => CurrentPageIndex);
                RaisePropertyChanged(() => CurrentPageMessages);
            }
        }
        private int _totalPageCount = 0;
        public int TotalPageCount
        {
            get
            {
                return _totalPageCount;
            }
            set
            {
                Set(() => TotalPageCount, ref _totalPageCount, value);
                RaisePropertyChanged(() => TotalPageCount);
                RaisePropertyChanged(() => CurrentPageIndex);
            }

        }
        public string CurrentRiskTitle
        {
            get
            {
                if (CurrentRiskMessage != null)
                {
                    return CurrentRiskMessage.Title;

                }
                else
                {
                    return "";
                }

            }
        }
        public string CurrentRiskContent
        {
            get
            {
                if (CurrentRiskMessage != null)
                {
                    return CurrentRiskMessage.Content;
                }
                else
                {
                    return "";
                }

            }
        }
        public int CurrentRiskLevel
        {
            get
            {
                if (CurrentRiskMessage != null)
                {
                    return CurrentRiskMessage.RiskLevel;
                }
                else
                {
                    return 0;
                }
            }
        }

        private bool _isBusy;

        /// <summary>
        /// 是否忙等待
        /// </summary>
        public bool IsBusy
        {
            get { return _isBusy; }
            set { Set(() => IsBusy, ref _isBusy, value); }
        }

        public RelayCommand<RiskControlNoticeView> ClosedCommand
        {
            get
            {
                return new RelayCommand<RiskControlNoticeView>((v) => v.Close());
            }
        }

        //下一页
        public RelayCommand NextCommand
        {
            get
            {
                return new RelayCommand(() =>
                {
                    if (CurrentPageIndex <= TotalPageCount - 1)
                    {
                        CurrentPageIndex += 1;
                    }
                });
            }
        }
        public RelayCommand PrevCommand
        {
            get
            {
                return new RelayCommand(() =>
                {
                    if (CurrentPageIndex > 1)
                    {
                        CurrentPageIndex -= 1;
                    }
                });
            }
        }
        public RelayCommand<TextBox> QueryCommand
        {
            get
            {
                return new RelayCommand<TextBox>((v) =>
                {
                    int index;
                    if (int.TryParse(v.Text, out index))
                    {
                        if (index >= 1 && index <= TotalPageCount)
                        {
                            CurrentPageIndex = index;
                        }
                    }
                });
            }
        }

        /// <summary>
        /// 加载数据
        /// </summary>
        public void LoadRiskMessages()
        {
            var tradeCacheData = UserManager.GetTradeCacheData((UserManager.CurrentTradeAccount.AccountId));
            IsBusy = true;
            Task.Factory.TryStartNew(() =>
            {
                //RiskMessages = UserManager.GetMessageNoticeOrders(UserManager.CurrentTradeAccount, true);
                RiskMessages = tradeCacheData.MessageNoticeOrders;
            }, () => IsBusy = false);
        }
    }
}