mirror of
https://github.com/mrfluffy-dev/lpr.git
synced 2026-01-17 02:10:33 +00:00
Lets gooooo
This commit is contained in:
Zastian Pretorius
180
Presentation/MainMenu.cs
Normal file
180
Presentation/MainMenu.cs
Normal file
@@ -0,0 +1,180 @@
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using BusinessLogic;
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using BusinessLogic.Algorithms;
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using Common;
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using DataAccess;
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using Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Presentation
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{
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public class MainMenu
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{
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public static void Run()
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{
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Model model = new Model();
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try
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{
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Console.Clear();
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Console.WriteLine("Welcome to the solver");
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Console.WriteLine("=========================================================================================================");
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Console.WriteLine("To get started, choose a premade text file that contains the model you would like to solve:");
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Console.WriteLine("\nlimpopo.txt\nsanta.txt\nkorean.txt\nfarmer.txt\nbranch.txt\ncut.txt\nacme.txt\n");
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string modelPath = Console.ReadLine();
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Console.WriteLine("=========================================================================================================");
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model = ModelReader.ReadModelFromFile(modelPath);
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SolveModelUsingAlgorithm(model);
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}
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catch (CustomException ex)
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{
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Console.WriteLine($"There was an error. Details: {ex.Message}.");
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Console.WriteLine("\nHere are the tables that were calculated before we ran into that error:");
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SolvedModelPrinter.Print(model);
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Console.WriteLine("\n\nPress any key to continue. . .");
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Console.ReadKey();
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Run();
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}
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catch (InfeasibleException ex)
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{
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Console.WriteLine($"There was an error. Details: {ex.Message}.");
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Console.WriteLine("\nHere are the tables that were calculated before we ran into that error:");
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SolvedModelPrinter.Print(model);
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Console.WriteLine("\n\nPress any key to continue. . .");
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Console.ReadKey();
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Run();
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}
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catch (Exception ex)
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{
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Console.WriteLine($"There was an error. Details: {ex.Message}.");
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Console.WriteLine("\nHere are the tables that were calculated before we ran into that error:");
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SolvedModelPrinter.Print(model);
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Console.WriteLine("\n\nPress any key to continue. . .");
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Console.ReadKey();
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Run();
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}
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}
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private static void SolveModelUsingAlgorithm(Model model)
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{
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Console.Clear();
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Console.WriteLine("Great! Now that we have your model, the next step is to choose an algorithm to solve it with.");
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Console.WriteLine("Based on factors in your model, these are the available algorithms you can use:");
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Console.WriteLine("=========================================================================================================");
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string userInput;
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Algorithm algorithm;
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if (model.SignRestrictions.Contains(SignRestriction.Binary) || model.SignRestrictions.Contains(SignRestriction.Integer))
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{
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Console.WriteLine("BNB - Branch and Bound Simplex Algorithm");
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Console.WriteLine("CP - Cutting Plane Algorithm");
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userInput = Console.ReadLine();
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switch (userInput.ToUpper())
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{
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case "BNB":
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{
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algorithm = new BranchAndBoundSimplex();
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}
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break;
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case "CP":
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{
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algorithm = new CuttingPlane();
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}
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break;
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default:
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{
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throw new CustomException("Invalid selection made");
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}
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}
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}
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else if (model.ProblemType == ProblemType.Minimization)
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{
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Console.WriteLine("DS - Dual Simplex Algorithm");
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Console.WriteLine("TPS - Two Phase Simplex Algorithm");
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userInput = Console.ReadLine();
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switch (userInput.ToUpper())
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{
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case "DS":
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{
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algorithm = new DualSimplex();
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}
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break;
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case "TPS":
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{
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algorithm = new TwoPhaseSimplex();
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}
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break;
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default:
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{
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throw new CustomException("Invalid selection made");
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}
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}
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}
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else
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{
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if (!(model.Constraints.Any(c => c.InequalitySign == InequalitySign.EqualTo) ||
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model.Constraints.Any(c => c.InequalitySign == InequalitySign.GreaterThanOrEqualTo)))
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{
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Console.WriteLine("PS - Primal Simplex");
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userInput = Console.ReadLine();
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switch (userInput.ToUpper())
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{
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case "PS":
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{
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algorithm = new PrimalSimplex();
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}
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break;
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default:
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{
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throw new CustomException("Invalid selection made");
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}
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}
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}
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else
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{
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Console.WriteLine("DS - Dual Simplex Algorithm");
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Console.WriteLine("TPS - Two Phase Simplex Algorithm");
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userInput = Console.ReadLine();
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switch (userInput.ToUpper())
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{
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case "DS":
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{
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algorithm = new DualSimplex();
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}
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break;
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case "TPS":
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{
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algorithm = new TwoPhaseSimplex();
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}
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break;
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default:
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{
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throw new CustomException("Invalid selection made");
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}
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}
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}
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}
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ModelSolver.Solve(model, algorithm);
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if (algorithm.GetType() == typeof(BranchAndBoundSimplex))
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{
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SolvedModelPrinter.Print((BranchAndBoundSimplex)algorithm);
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ModelWriter.WriteResultsToFile((BranchAndBoundSimplex)algorithm);
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}
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else
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{
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SolvedModelPrinter.Print(model);
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ModelWriter.WriteResultsToFile(model);
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}
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}
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}
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}
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121
Presentation/ModelWriter.cs
Normal file
121
Presentation/ModelWriter.cs
Normal file
@@ -0,0 +1,121 @@
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using BusinessLogic.Algorithms;
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using Common;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Presentation
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{
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public class ModelWriter
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{
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public static void WriteResultsToFile(Model model)
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{
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var fileName = Guid.NewGuid().ToString() + ".txt";
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using (FileStream stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
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{
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using (StreamWriter writer = new StreamWriter(stream))
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{
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int iteration = 0;
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foreach (var table in model.Result)
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{
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writer.WriteLine($"\n\nTable {iteration}:");
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for (int i = 0; i < table.Count; i++)
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{
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for (int j = 0; j < table[0].Count; j++)
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{
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writer.Write($"\t{table[i][j]:0.###}");
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}
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writer.WriteLine();
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}
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iteration++;
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}
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}
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}
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Console.WriteLine($"\n\nThe results have been written to the file: {fileName}");
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}
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public static void WriteResultsToFile(BranchAndBoundSimplex branchAndBoundSimplex)
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{
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var fileName = Guid.NewGuid().ToString() + ".txt";
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using (FileStream stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
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{
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using (StreamWriter writer = new StreamWriter(stream))
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{
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var tree = branchAndBoundSimplex.Results;
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WriteBranchResults(tree.Root, writer);
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List<List<double>> bestCandidate = branchAndBoundSimplex.GetBestCandidate();
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writer.WriteLine("\n\nThis is the best solution of all the candidates:\n");
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for (int i = 0; i < bestCandidate.Count; i++)
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{
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for (int j = 0; j < bestCandidate[i].Count; j++)
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{
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writer.Write($"\t{bestCandidate[i][j]:0.###}");
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}
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writer.WriteLine();
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}
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}
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}
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Console.WriteLine($"\n\nThe results have been written to the file: {fileName}");
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}
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private static void WriteBranchResults(BusinessLogic.BinaryTreeNode root, StreamWriter writer, string previousProblem = "0")
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{
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if (root == null)
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return;
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if (previousProblem.Equals("0"))
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{
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writer.WriteLine("\n\n");
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writer.WriteLine("Sub-Problem 0");
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for (int i = 0; i < root.Data.Count; i++)
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{
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for (int j = 0; j < root.Data[i].Count; j++)
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{
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for (int k = 0; k < root.Data[i][j].Count; k++)
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{
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writer.Write($"\t{root.Data[i][j][k]:0.###}");
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}
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writer.WriteLine();
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}
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writer.WriteLine("\n\n");
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}
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WriteBranchResults(root.LeftNode, writer, "1");
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WriteBranchResults(root.RightNode, writer, "2");
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}
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else
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{
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writer.WriteLine("\n\n");
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writer.WriteLine($"Sub-Problem {previousProblem}");
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for (int i = 0; i < root.Data.Count; i++)
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{
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for (int j = 0; j < root.Data[i].Count; j++)
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{
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for (int k = 0; k < root.Data[i][j].Count; k++)
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{
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writer.Write($"\t{root.Data[i][j][k]:0.###}");
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}
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writer.WriteLine();
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}
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writer.WriteLine("\n\n");
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}
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WriteBranchResults(root.LeftNode, writer, previousProblem + ".1");
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WriteBranchResults(root.RightNode, writer, previousProblem + ".2");
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}
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}
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}
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}
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70
Presentation/Presentation.csproj
Normal file
70
Presentation/Presentation.csproj
Normal file
@@ -0,0 +1,70 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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||||
<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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||||
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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||||
<ProjectGuid>{377D38FE-AA9D-4AB0-B743-9E80AA0C82C4}</ProjectGuid>
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||||
<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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||||
<RootNamespace>Presentation</RootNamespace>
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<AssemblyName>Presentation</AssemblyName>
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<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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||||
<DebugSymbols>true</DebugSymbols>
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||||
<DebugType>full</DebugType>
|
||||
<Optimize>false</Optimize>
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||||
<OutputPath>bin\Debug\</OutputPath>
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||||
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||
<DebugType>pdbonly</DebugType>
|
||||
<Optimize>true</Optimize>
|
||||
<OutputPath>bin\Release\</OutputPath>
|
||||
<DefineConstants>TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<Reference Include="ConsoleTables, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
|
||||
<HintPath>..\packages\ConsoleTables.2.4.2\lib\net40\ConsoleTables.dll</HintPath>
|
||||
</Reference>
|
||||
<Reference Include="System" />
|
||||
<Reference Include="System.Core" />
|
||||
<Reference Include="System.Xml.Linq" />
|
||||
<Reference Include="System.Data.DataSetExtensions" />
|
||||
<Reference Include="Microsoft.CSharp" />
|
||||
<Reference Include="System.Data" />
|
||||
<Reference Include="System.Net.Http" />
|
||||
<Reference Include="System.Xml" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Compile Include="MainMenu.cs" />
|
||||
<Compile Include="ModelWriter.cs" />
|
||||
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||
<Compile Include="SolvedModelPrinter.cs" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ProjectReference Include="..\BusinessLogic\BusinessLogic.csproj">
|
||||
<Project>{F904DA9B-8BA5-4803-88C1-24A6471C7FEF}</Project>
|
||||
<Name>BusinessLogic</Name>
|
||||
</ProjectReference>
|
||||
<ProjectReference Include="..\DataAccess\DataAccess.csproj">
|
||||
<Project>{02E85643-5DA8-4A1E-AF07-10184FC132A0}</Project>
|
||||
<Name>DataAccess</Name>
|
||||
</ProjectReference>
|
||||
<ProjectReference Include="..\Models\Common.csproj">
|
||||
<Project>{04C11623-F02E-45C6-8C51-82244CFF4780}</Project>
|
||||
<Name>Common</Name>
|
||||
</ProjectReference>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="packages.config" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||
</Project>
|
||||
36
Presentation/Properties/AssemblyInfo.cs
Normal file
36
Presentation/Properties/AssemblyInfo.cs
Normal file
@@ -0,0 +1,36 @@
|
||||
using System.Reflection;
|
||||
using System.Runtime.CompilerServices;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
// General Information about an assembly is controlled through the following
|
||||
// set of attributes. Change these attribute values to modify the information
|
||||
// associated with an assembly.
|
||||
[assembly: AssemblyTitle("Presentation")]
|
||||
[assembly: AssemblyDescription("")]
|
||||
[assembly: AssemblyConfiguration("")]
|
||||
[assembly: AssemblyCompany("")]
|
||||
[assembly: AssemblyProduct("Presentation")]
|
||||
[assembly: AssemblyCopyright("Copyright © 2021")]
|
||||
[assembly: AssemblyTrademark("")]
|
||||
[assembly: AssemblyCulture("")]
|
||||
|
||||
// Setting ComVisible to false makes the types in this assembly not visible
|
||||
// to COM components. If you need to access a type in this assembly from
|
||||
// COM, set the ComVisible attribute to true on that type.
|
||||
[assembly: ComVisible(false)]
|
||||
|
||||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
||||
[assembly: Guid("377d38fe-aa9d-4ab0-b743-9e80aa0c82c4")]
|
||||
|
||||
// Version information for an assembly consists of the following four values:
|
||||
//
|
||||
// Major Version
|
||||
// Minor Version
|
||||
// Build Number
|
||||
// Revision
|
||||
//
|
||||
// You can specify all the values or you can default the Build and Revision Numbers
|
||||
// by using the '*' as shown below:
|
||||
// [assembly: AssemblyVersion("1.0.*")]
|
||||
[assembly: AssemblyVersion("1.0.0.0")]
|
||||
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||
112
Presentation/SolvedModelPrinter.cs
Normal file
112
Presentation/SolvedModelPrinter.cs
Normal file
@@ -0,0 +1,112 @@
|
||||
using BusinessLogic;
|
||||
using BusinessLogic.Algorithms;
|
||||
using Common;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using ConsoleTables;
|
||||
|
||||
namespace Presentation
|
||||
{
|
||||
public class SolvedModelPrinter
|
||||
{
|
||||
public static void Print(Model model)
|
||||
{
|
||||
int iteration = 0;
|
||||
|
||||
foreach (var table in model.Result)
|
||||
{
|
||||
Console.WriteLine($"\n\nTable {iteration}:");
|
||||
string[] headers = new string[table[0].Count];
|
||||
string temp = "";
|
||||
for (int j = 0; j < table[0].Count; j++)
|
||||
{
|
||||
temp = table[0][j].ToString();
|
||||
headers[j] = temp;
|
||||
}
|
||||
table.RemoveAt(0);
|
||||
var conTable = new ConsoleTable(headers);
|
||||
foreach (List<double> row in table)
|
||||
{
|
||||
object[] rowArray = new object[row.Count];
|
||||
for (int i = 0; i < row.Count; i++)
|
||||
{
|
||||
rowArray[i] = row[i];
|
||||
}
|
||||
conTable.AddRow(rowArray);
|
||||
}
|
||||
Console.WriteLine();
|
||||
iteration++;
|
||||
conTable.Write(Format.Alternative);
|
||||
}
|
||||
}
|
||||
|
||||
public static void Print(BranchAndBoundSimplex branchAndBoundSimplex)
|
||||
{
|
||||
var tree = branchAndBoundSimplex.Results;
|
||||
PrintBranchResults(tree.Root);
|
||||
List<List<double>> bestCandidate = branchAndBoundSimplex.GetBestCandidate();
|
||||
|
||||
Console.WriteLine("\n\nThis is the best solution of all the candidates:\n");
|
||||
for (int i = 0; i < bestCandidate.Count; i++)
|
||||
{
|
||||
for (int j = 0; j < bestCandidate[i].Count; j++)
|
||||
{
|
||||
Console.Write($"\t{bestCandidate[i][j]:0.###}");
|
||||
}
|
||||
Console.WriteLine();
|
||||
}
|
||||
}
|
||||
|
||||
private static void PrintBranchResults(BinaryTreeNode root, string previousProblem = "0")
|
||||
{
|
||||
if (root == null)
|
||||
return;
|
||||
|
||||
if (previousProblem.Equals("0"))
|
||||
{
|
||||
Console.WriteLine("\n\n");
|
||||
Console.WriteLine("Sub-Problem 0");
|
||||
|
||||
for (int i = 0; i < root.Data.Count; i++)
|
||||
{
|
||||
for (int j = 0; j < root.Data[i].Count; j++)
|
||||
{
|
||||
for (int k = 0; k < root.Data[i][j].Count; k++)
|
||||
{
|
||||
Console.Write($"\t{root.Data[i][j][k]:0.###}");
|
||||
}
|
||||
Console.WriteLine();
|
||||
}
|
||||
Console.WriteLine("\n\n");
|
||||
}
|
||||
|
||||
PrintBranchResults(root.LeftNode, "1");
|
||||
PrintBranchResults(root.RightNode, "2");
|
||||
}
|
||||
else
|
||||
{
|
||||
Console.WriteLine("\n\n");
|
||||
Console.WriteLine($"Sub-Problem {previousProblem}");
|
||||
|
||||
for (int i = 0; i < root.Data.Count; i++)
|
||||
{
|
||||
for (int j = 0; j < root.Data[i].Count; j++)
|
||||
{
|
||||
for (int k = 0; k < root.Data[i][j].Count; k++)
|
||||
{
|
||||
Console.Write($"\t{root.Data[i][j][k]:0.###}");
|
||||
}
|
||||
Console.WriteLine();
|
||||
}
|
||||
Console.WriteLine("\n\n");
|
||||
}
|
||||
|
||||
PrintBranchResults(root.LeftNode, previousProblem + ".1");
|
||||
PrintBranchResults(root.RightNode, previousProblem + ".2");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
4
Presentation/packages.config
Normal file
4
Presentation/packages.config
Normal file
@@ -0,0 +1,4 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<packages>
|
||||
<package id="ConsoleTables" version="2.4.2" targetFramework="net48" />
|
||||
</packages>
|
||||
Reference in New Issue
Block a user