using System;

using System.Collections.Generic;

using System.Drawing;

using System.Collections.ObjectModel;

using System.Linq;

​

  public class BoletoItem

  {

    /// <summary>

    /// Internal Id da API

    /// </summary>

    public string InternalId { get; set; }

​

    /// <summary>

    /// Código da empresa

    /// </summary>

    public int? companyCode { get; set; }

​

    /// <summary>

    /// Código da filial

    /// </summary>

    public int? branchCode { get; set; }

​

    /// <summary>

    /// Nível de Ensino

    /// </summary>

    public int? levelEducationCode { get; set; }

​

    /// <summary>

    /// RA do aluno

    /// </summary>

    public string[] studentCodes { get; set; }

​

    /// <summary>

    /// Id período letivo

    /// </summary>

    public int? termCode { get; set; }

​

    /// <summary>

    /// Código do período letivo

    /// </summary>

    public string termCodeDescription { get; set; }

​

    /// <summary>

    /// Id habilitacao filial

    /// </summary>

    public int? specializationBranchCode { get; set; }    

​

    /// <summary>

    /// BolsaVAV

    /// </summary>

    public decimal? scholarshipVAV { get; set; }

​

    /// <summary>

    /// BolsaESC

    /// </summary>

    public decimal? scholarshipESC { get; set; }

​

    /// <summary>

    /// Data Vencimento

    /// </summary>

    public DateTime? dueDate { get; set; }

​

    /// <summary>

    /// Código da coligada do Cliente/Fornecedor

    /// </summary>

    public string companyCodeCFO { get; set; }

​

    /// <summary>

    /// Código do Cliente/Fornecedor

    /// </summary>

    public string CFOCode { get; set; }

​

    /// <summary>

    /// Nome Fantasia Cliente/Fornecedor

    /// </summary>

    public string CFOCodeDescription { get; set; }

​

    /// <summary>

    /// Valor Original

    /// </summary>

    public decimal? originalValue { get; set; }

​

    /// <summary>

    /// Valor Desconto

    /// </summary>

    public decimal? discountValue { get; set; }

​

    /// <summary>

    /// Id do Boleto bancário

    /// </summary>

    public int? bankBilletCode { get; set; }

​

    /// <summary>

    /// Status do boleto

    /// </summary>

    public string bankBilletStatus { get; set; }

​

    /// <summary>

    /// CNAB Status

    /// </summary>

    public string CNABStatus { get; set; }

​

    /// <summary>

    /// Nosso Número

    /// </summary>

    public string bankDocumentNumber { get; set; }

​

    /// <summary>

    /// Data Baixa

    /// </summary>

    public DateTime? paymentProcessingDate { get; set; }

​

    /// <summary>

    /// StatusLan

    /// </summary>

    public int? financialEntryStatus { get; set; }

​

    /// <summary>

    /// valoracrescimoacordo

    /// </summary>

    public decimal? agreementAddedValue { get; set; }

​

    /// <summary>

    /// valorjurosacordo

    /// </summary>

    public decimal? agreementInterestValue { get; set; }

​

    /// <summary>

    /// valordescontoacordo

    /// </summary>

    public decimal? agreementDiscountValue { get; set; }

​

    /// <summary>

    /// pgcartaocredito

    /// </summary>

    public string canPayWithCredit { get; set; }

​

    /// <summary>

    /// pgcartaodebito

    /// </summary>

    public string canPayWithDebit { get; set; }

​

    /// <summary>

    /// ipte

    /// </summary>

    public string ipte { get; set; }

​

    /// <summary>

    /// boletoregistrado

    /// </summary>

    public bool? bankSlipRegistered { get; set; }

​

    /// <summary>

    /// permiteregonline

    /// </summary>

    public bool? allowBankSlipRegister { get; set; }

​

    /// <summary>

    /// Data do servidor

    /// </summary>

    public DateTime serverDate { get; set; }

​

    /// <summary>

    /// Imagem do usuário em ByteArray.

    /// </summary>

    public byte[] ImagemUsuario { get; set; }

​

    /// <summary>

    /// Indicará se o boleto foi selecionado na listagem de boletos

    /// </summary>

    public bool IsSelected

    {

      get

      {

        return _isSelected;

      }

      set

      {

        _isSelected = value;

      }

    } private bool _isSelected = false;

​

    /// <summary>

    /// Cor do frame

    /// </summary>

    /// <remarks>

    /// Terá cor diferente dependendo se tiver selecionado ou não

    /// </remarks>

    public string ColorFrame

    {

      get

      {

        return _colorFrame;

      }

      set

      {

        _colorFrame = value;

      }

    } private string _colorFrame;

    /// <summary>

    /// Cor do calendário

    /// </summary>

    public string CorCalendario

    {

      get

      {

        if (VencendoHoje(dueDate))

          return "Orange";

        else if (this.dueDate < this.serverDate)

          return "Red";

        else

          return "Green";

      }

    }

    private bool VencendoHoje(DateTime? data)

    {

      int dataDia = data.GetValueOrDefault().Day;

      int dataMes = data.GetValueOrDefault().Month;

      int dataAno = data.GetValueOrDefault().Year;

​

      DateTime hoje = this.serverDate;

​

      return (dataDia == hoje.Day && dataMes == hoje.Month && dataAno == hoje.Year);

    }

  }  

public class Program

{

    public static void ImprimeListaBoleto()

    {

      ObservableCollection<BoletoItem> ListaBoletos = new ObservableCollection<BoletoItem>();

​

      ListaBoletos.Add(

        new BoletoItem

        {

          companyCode = 1,

          branchCode = 1,

          levelEducationCode = 1,

          bankBilletCode = 6,

          originalValue = 179,

          dueDate = new DateTime(2019, 09, 24),

          serverDate = new DateTime(2019, 09, 24),

          studentCodes = new string[]{"ES-00179"},

          bankBilletStatus = "0",

          companyCodeCFO = "1",

          CFOCode = "C00556",

          discountValue = 0,

          paymentProcessingDate = null,

          termCode = 23,

          termCodeDescription = "2019/1"

        });

​

​

      ListaBoletos.Add(

        new BoletoItem

        {

          companyCode = 1,

          branchCode = 1,

          levelEducationCode = 1,

          bankBilletCode = 1,

          originalValue = 178,

          dueDate = new DateTime(2019, 09, 24),

          serverDate = new DateTime(2019, 09, 24),

          studentCodes = new string[]{"ES-00179", "ES-00178"},

          bankBilletStatus = "0",

          companyCodeCFO = "1",

          CFOCode = "C00556",

          discountValue = 0,

          paymentProcessingDate = null,

          termCode = 23,

          termCodeDescription = "2019/1"

        });     

     //Cria o dicionário com os boletos de cada aluno

      Dictionary<string, BoletoItem> dictAlunosBoletos = new Dictionary<string, BoletoItem>();

​

      var proximosBoletosAVencer = from b in ListaBoletos

                                   where b.bankBilletStatus == "0"

                                      && b.dueDate >= b.serverDate

                                   orderby b.dueDate

                                   group b by b.studentCodes into g

                                   select g.FirstOrDefault();

​

      //Percorre a lista de boletos a vencer filtrada com menor data de vencimento

      foreach (var boleto in proximosBoletosAVencer)

      {

        foreach (var ra in boleto.studentCodes)

        {

          if (dictAlunosBoletos.ContainsKey(ra))

          {

            //Verifica se a data de vencimento do respectivo boleto do ra é menor que a do boleto armazenado.

            //Caso a data de vencimento seja menor, deverá ser armazenado o outro boleto

            if (dictAlunosBoletos[ra].dueDate.HasValue && boleto.dueDate < dictAlunosBoletos[ra].dueDate)

              dictAlunosBoletos[ra] = boleto;

          }

          else

            dictAlunosBoletos.Add(ra, boleto);

        }

      }

​

      //Cria a collection de resultado

      List<BoletoItem> result = new List<BoletoItem>();

​

      foreach (KeyValuePair<string, BoletoItem> boletoRA in dictAlunosBoletos)

      {

        if (!result.Exists(b => b.companyCode == boletoRA.Value.companyCode && b.bankBilletCode == boletoRA.Value.bankBilletCode))

          result.Add(boletoRA.Value);

      }

      foreach(var boleto in result)

      {

          Console.WriteLine("Boleto.bankBilletCode = " + boleto.bankBilletCode + " boleto.valor = " + boleto.originalValue + " boleto.dueDate = " + boleto.dueDate);

      }

    }

​

    public static void Main()

    {

        ImprimeListaBoleto();

    }  

}