using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.IO; namespace SoloLearn { #region Exercício 1 - Leitura de Arquivos e Classes //Exercise 1. - Class class Seller { private string name; private int sellsValue; private double sellingsPercentual; private double valueToReceive; public Seller(string name, int sellsValue, double sellingsPercentual, double valueToReceive) { this.name = name; this.sellsValue = sellsValue; this.sellingsPercentual = sellingsPercentual; this.valueToReceive = valueToReceive; } public Seller() { } public string Name { get { return this.name; } set { this.name = value; } } public int SellsValue { get { return this.sellsValue; } set { this.sellsValue = value; } } public double SellingsPercentual { get { return sellingsPercentual; } set { this.sellingsPercentual = value; } } public double ValueToReceive { get { return this.valueToReceive; } set { this.valueToReceive = value; } } } #endregion #region Exercício 2 - Leitura de Arquivos e Classes //Exercício 2. - Classes struct Client { public string name; public float purchaseValue; public float discount; public Client(string name, float purchaseValue, float discount) { this.name = name; this.purchaseValue = purchaseValue; this.discount = discount; } } class SalesCompany { public string fileInput = @"clientRegistry.txt"; public string fileOutput = @"clientReport.txt"; public StreamReader reader; public StreamWriter writer; public string valueRecorder; public string[] clientData; public List clients = new List(); public void ReadFile() { if (File.Exists(fileInput)) reader = new StreamReader(fileInput, Encoding.ASCII); writer = new StreamWriter(fileOutput, false, Encoding.ASCII); } public void ReadAndOrganize() { valueRecorder = reader.ReadLine(); while (valueRecorder != null) { clientData = valueRecorder.Split('-'); clients.Add(new Client(clientData[0], float.Parse(clientData[1]), float.Parse(clientData[1]) > 1800 ? 0.2f : 0.15f)); valueRecorder = reader.ReadLine(); } reader.Close(); for (int i = 0; i < clients.Count; i++) { writer.WriteLine("Nome do Cliente: {0}. Disconto Obtido: {1}.", clients[i].name, clients[i].discount); } writer.Close(); } } #endregion #region Exercício 3 - Leitura de Arquivos e Classes class UselessThing { public StreamReader reader; public StreamWriter writer; public string fileInput1 = @"sequence1.txt"; public string fileInput2 = @"sequence2.txt"; public int[] sequence1 = new int[20]; public int[] sequence2 = new int[20]; public void BuildArrays() { //Verifica se o arquivo existe e depois guarda seus valores. if (File.Exists(fileInput1)) reader = new StreamReader(fileInput1); for (int i = 0; i < sequence1.Length; i++) { sequence1[i] = int.Parse(reader.ReadLine()); } if (File.Exists(fileInput2)) reader = new StreamReader(fileInput2); for (int i = 0; i < sequence2.Length; i++) { sequence2[i] = int.Parse(reader.ReadLine()); } } } #endregion #region Exercício 4 - Leitura de Arquivos e Classes class Elections { public struct Candidate { public int id; public float votePercentage; public int voteCount; } public int totalVoteCount = 0; public StreamReader reader; public string fileInput = @"votes.txt"; public Candidate[] candidates = new Candidate[5]; //Lê os votos do arquivo de texto e executa a apuração. public void ReadTextFile() { reader = new StreamReader(fileInput); string aux = reader.ReadLine(); while (aux != null) { ApurateVotes(int.Parse(aux)); aux = reader.ReadLine(); } } //Cria a lista de candidatos e suas respectivas ID's. public void OrganizeCandidateList() { for (int i = 0; i < candidates.Length; i++) { candidates[i].id = i + 1; } } //O método deverá ser colocado dentro de um "for" para fazer a apuração dos votos. public void ApurateVotes(int vote) { totalVoteCount += 1; switch (vote) { case 1: candidates[0].voteCount += 1; break; case 2: candidates[1].voteCount += 1; break; case 3: candidates[2].voteCount += 1; break; case 4: candidates[3].voteCount += 1; break; case 5: candidates[4].voteCount += 1; break; default: Console.WriteLine("ID de candidato inválida!"); break; } } public void CalculatePercentages() { for (int i = 0; i < candidates.Length; i++) { candidates[i].votePercentage = (float)candidates[i].voteCount / (float)totalVoteCount * 100; } } //Imprime os resultados na tela. public void PrintResult() { for (int i = 0; i < candidates.Length; i++) { Console.WriteLine("Candidato {0}: ", candidates[i].id); Console.WriteLine("Número de votos: " + candidates[i].voteCount); Console.WriteLine("Porcentagem de votos: " + candidates[i].votePercentage + "%"); } } } #endregion class Program { static void Main(string[] args) { //Exercise 1. - Execution const int sellersNumber = 5; List sellers = new List(); string valuesReader; int count; double sum; Seller bestSeller, worstSeller; string[] sellersData; string entryFileName = @"dadosVendedores.txt"; string outputFileName = @"relatorio.txt"; StreamReader fileReading; StreamWriter report; if (File.Exists(entryFileName)) { fileReading = new StreamReader(entryFileName, Encoding.ASCII); valuesReader = fileReading.ReadLine(); count = 0; while (valuesReader != null) { sellersData = valuesReader.Split(';'); sellers[count] = new Seller(sellersData[0], int.Parse(sellersData[1]), double.Parse(sellersData[2]), double.Parse(sellersData[3])); valuesReader = fileReading.ReadLine(); count++; } fileReading.Close(); report = new StreamWriter(outputFileName, false, Encoding.ASCII); sum = 0; bestSeller = sellers[0]; worstSeller = sellers[0]; for (int i = 0; i < sellersNumber; i++) { report.WriteLine("O vendedor {0} tem ${1} a receber.", sellers[i].Name, sellers[i].ValueToReceive); if (sellers[i].ValueToReceive > bestSeller.ValueToReceive) bestSeller = sellers[i]; if (sellers[i].ValueToReceive < worstSeller.ValueToReceive) worstSeller = sellers[i]; sum += sellers[i].SellsValue; } report.Close(); Console.WriteLine("Vendedor que possui o maior valor a receber: {0}. Valor: $ {1}", bestSeller.Name, bestSeller.ValueToReceive); Console.WriteLine("Vendedor que possui menor valor a receber: {0}. Valor: $ {1}", worstSeller.Name, worstSeller.ValueToReceive); Console.WriteLine("Valor total de vendas: $ {0}.", sum); } else { Console.WriteLine("O arquivo {0} não existe.", entryFileName); } Console.ReadKey(); } } }

Files and Arrays