Лабораторная работа №7 (try )

ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/ListGenericObjects.cs

@@ -1,4 +1,5 @@
 namespace ProjectCleaningCar.CollectionGenericObjects;
+using Exceptions;
 
 public class ListGenericObjects<T> : ICollectionGenericObjects<T>
     where T : class
@@ -40,27 +41,28 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
 
     public T Get(int position)
     {
-        if (position >= Count || position < 0) return null;
+        if (position >= Count || position < 0) throw new PositionOutOfCollectionException();
+        if (_collection[position] == null) throw new ObjectNotFoundException();
         return _collection[position];
     }
 
     public int Insert(T obj)
     {
-        if (Count == _maxCount) return -1;
+        if (Count == _maxCount) throw new CollectionOverflowException();
         _collection.Add(obj);
         return Count;
     }
     public int Insert(T obj, int position)
     { 
-        if (Count == _maxCount) return -1;
+        if (Count == _maxCount) throw new CollectionOverflowException();
-        if (position >= Count || position < 0) return -1;
+        if (position >= Count || position < 0) throw new PositionOutOfCollectionException();
         _collection.Insert(position, obj);
         return position;
     }
 
     public T Remove(int position)
     {
-        if (position >= Count || position < 0) return null;
+        if (position >= Count || position < 0) throw new PositionOutOfCollectionException();
         T temp = _collection[position];
         _collection.RemoveAt(position);
         return temp;

ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/MassiveGenericObjects.cs

@@ -1,4 +1,5 @@
 namespace ProjectCleaningCar.CollectionGenericObjects;
+using Exceptions;
 /// <summary>
 /// Параметризованный набор объектов
 /// </summary>
@@ -43,7 +44,7 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
     }
     public T? Get(int position)
     {
-        if (position < 0 || position >= Count) return null;
+        if (position < 0 || position >= Count) throw new PositionOutOfCollectionException();
         return _collection[position];
     }
     public int Insert(T obj)
@@ -56,11 +57,11 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
                 return i;
             }
         }
-        return -1;
+        throw new CollectionOverflowException();
     }
     public int Insert(T obj, int position)
     {
-        if (position >= Count || position < 0) return -1;
+        if (position >= Count || position < 0) throw new PositionOutOfCollectionException();
         if (_collection[position] == null)
         {
             _collection[position] = obj;
@@ -86,12 +87,13 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             }
             --temp;
         }
-        return -1;
+        throw new CollectionOverflowException();
     }
     public T? Remove(int position)
     {
-        if (position >= Count || position < 0) return null;
+        if (position >= Count || position < 0) throw new PositionOutOfCollectionException();
         T? myObject = _collection[position];
+        if (myObject == null) throw new ObjectNotFoundException();
         _collection[position] = null;
         return myObject;
     }

ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/StorageCollection.cs

@@ -1,5 +1,7 @@
-using ProjectCleaningCar.Drawning;
+using NLog.LayoutRenderers.Wrappers;
+using ProjectCleaningCar.Drawning;
 using ProjectCleaningCar.Entities;
+using ProjectCleaningCar.Exceptions;
 using System.Text;
 
 namespace ProjectCleaningCar.CollectionGenericObjects;
@@ -96,11 +98,12 @@ public class StorageCollection<T>
     /// </summary>
     /// <param name="filename"></param>
     /// <returns></returns>
-    public bool SaveData(string filename)
+    public void SaveData(string filename)
     {
         if (_storages.Count == 0)
         {
-            return false;
+            throw new Exception("В хранилище отсутствуют коллекции для сохранения");
+
         }
         if (File.Exists(filename))
         {
@@ -136,7 +139,6 @@ public class StorageCollection<T>
                 }
             }   
         }
-        return true;
     }
 
     /// <summary>
@@ -144,23 +146,23 @@ public class StorageCollection<T>
     /// </summary>
     /// <param name="filename">>Путь и имя файла</param>
     /// <returns>true - загрузка прошла успешно, false - ошибка при загрузке данных</returns>
-    public bool LoadData(string filename)
+    public void LoadData(string filename)
     {
         if (!File.Exists(filename))
         {
-            return false;
+            throw new FileNotFoundException($"{filename} не существует");
         }
         using (StreamReader reader = new(filename))
         {
             string line = reader.ReadLine();
             if (line == null || line.Length == 0)
             {
-                return false;
+                throw new Exception("Файл не подходит");
             }
             if (!line.Equals(_collectionKey))
             {
-                //если нет такой записи, то это не те данные
+
-                return false;
+                throw new Exception("В файле неверные данные");
             }
             _storages.Clear();
             while ((line = reader.ReadLine()) != null)
@@ -175,7 +177,7 @@ public class StorageCollection<T>
                 ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
                 if (collection == null)
                 {
-                    return false;
+                    throw new Exception("Не удалось создать коллекцию");
                 }
                 collection.MaxCount = Convert.ToInt32(record[2]);
                 string[] set = record[3].Split(_separatorItems,
@@ -184,16 +186,22 @@ public class StorageCollection<T>
                 {
                     if (elem?.CreateDrawningCar() is T truck)
                     {
-                        if (collection.Insert(truck) == -1)
+                        try
                         {
-                            return false;
+                            if (collection.Insert(truck) == -1)
+                            {
+                                throw new Exception("Объект не удалось добавить в коллекцию: ");
+                            }
+                        }
+                        catch (CollectionOverflowException ex)
+                        {
+                            throw new Exception("Коллекция переполнена", ex);
                         }
                     }
                 }
                 _storages.Add(record[0], collection);
-                }
             }
-        return true;
+        }
     }
 
     /// <summary>

ProjectCleaningCar/ProjectCleaningCar/Exceptions/CollectionOverflowException.cs

@@ -0,0 +1,16 @@
+using System.Runtime.Serialization;
+namespace ProjectCleaningCar.Exceptions;
+
+/// <summary>
+/// Класс, описывающий ошибку переполнения коллекции
+/// </summary>
+[Serializable]
+internal class CollectionOverflowException : ApplicationException
+{
+    public CollectionOverflowException(int count) : base("В коллекции превышено допустимое колличество: " + count) { }
+    public CollectionOverflowException() : base() { }
+    public CollectionOverflowException(string message) : base(message) { }
+    public CollectionOverflowException(string message, Exception exception) : base(message, exception) { }
+    protected CollectionOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+
+}

ProjectCleaningCar/ProjectCleaningCar/Exceptions/ObjectNotFoundException.cs

@@ -0,0 +1,16 @@
+using System.Runtime.Serialization;
+namespace ProjectCleaningCar.Exceptions;
+
+/// <summary>
+/// Класс, описывающий ошибку, что по указанной позиции нет элемента
+/// </summary>
+[Serializable]
+internal class ObjectNotFoundException : ApplicationException
+{
+    public ObjectNotFoundException(int i) : base("Не найден объект по позиции " + i) { }
+    public ObjectNotFoundException() : base() { }
+    public ObjectNotFoundException(string message) : base(message) { }
+    public ObjectNotFoundException(string message, Exception exception) : base(message, exception)
+    { }
+    protected ObjectNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+}

ProjectCleaningCar/ProjectCleaningCar/Exceptions/PositionOutOfCollectionException.cs

@@ -0,0 +1,15 @@
+using System.Runtime.Serialization;
+namespace ProjectCleaningCar.Exceptions;
+
+/// <summary>
+/// Класс, описывающий ошибку выхода за границы коллекции
+/// </summary>
+[Serializable]
+internal class PositionOutOfCollectionException : ApplicationException
+{
+    public PositionOutOfCollectionException(int i) : base("Выход за границы коллекции.Позиция " + i) { }
+    public PositionOutOfCollectionException() : base() { }
+    public PositionOutOfCollectionException(string message) : base(message) { }
+    public PositionOutOfCollectionException(string message, Exception exception) : base(message, exception) { }
+    protected PositionOutOfCollectionException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+}

ProjectCleaningCar/ProjectCleaningCar/FormCleaningCarCollection.cs

@@ -1,6 +1,6 @@
-using ProjectCleaningCar.CollectionGenericObjects;
+using Microsoft.Extensions.Logging;
+using ProjectCleaningCar.CollectionGenericObjects;
 using ProjectCleaningCar.Drawning;
-using static System.Windows.Forms.VisualStyles.VisualStyleElement.TrackBar;
 
 namespace ProjectCleaningCar;
 /// <summary>
@@ -18,13 +18,16 @@ public partial class FormCleaningCarCollection : Form
     /// Компания
     /// </summary>
     private AbstractCompany? _company = null;
+
+    private readonly ILogger _logger;
     /// <summary>
     /// Конструктор
     /// </summary>
-    public FormCleaningCarCollection()
+    public FormCleaningCarCollection(ILogger<FormCleaningCarCollection> logger)
     {
         InitializeComponent();
         _storageCollection = new();
+        _logger = logger;
     }
     /// <summary>
     /// Выбор компании
@@ -245,15 +248,15 @@ public partial class FormCleaningCarCollection : Form
     {
         if (saveFileDialog.ShowDialog() == DialogResult.OK)
         {
-            if (_storageCollection.SaveData(saveFileDialog.FileName))
+            try
             {
-                MessageBox.Show("Сохранение прошло успешно",
+                _storageCollection.SaveData(saveFileDialog.FileName);
-                "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
-            }
+                _logger.LogInformation("Сохранение в файл: {filename}", saveFileDialog.FileName);
-            else
+            } catch (Exception ex)
             {
-                MessageBox.Show("Не сохранилось", "Результат",
+                MessageBox.Show(ex.Message, "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                _logger.LogError("Ошибка: {Message}", ex.Message);
             }
         }
     }
@@ -267,14 +270,21 @@ public partial class FormCleaningCarCollection : Form
     {
         if (openFileDialog.ShowDialog() == DialogResult.OK)
         {
-            if (_storageCollection.LoadData(openFileDialog.FileName))
+            
+            try
             {
+                _storageCollection.LoadData(openFileDialog.FileName);
                 MessageBox.Show("Загрузка прошла успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                foreach (var collection in _storageCollection.Keys)
+                {
+                    listBoxCollection.Items.Add(collection);
+                }
                 RerfreshListBoxItems();
             }
-            else
+            catch (Exception ex)
             {
-                MessageBox.Show("Не удалось сохранить", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show($"Не загрузилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+
             }
         }
     }

ProjectCleaningCar/ProjectCleaningCar/Program.cs

@@ -1,3 +1,9 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using NLog.Extensions.Logging;
+using Serilog;
+
+
 namespace ProjectCleaningCar
 {
     internal static class Program
@@ -11,7 +17,30 @@ namespace ProjectCleaningCar
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
             ApplicationConfiguration.Initialize();
-            Application.Run(new FormCleaningCarCollection());
+            ServiceCollection services = new();
+            ConfigureService(services);
+            using ServiceProvider serviceProvider = services.BuildServiceProvider();
+            Application.Run(serviceProvider.GetRequiredService<FormCleaningCarCollection>());
+        }
+
+        /// <summary>
+        /// Êîíôèãóðàöèÿ ñåðâèñà
+        /// </summary>
+        /// <param name="services"></param>
+        private static void ConfigureService(ServiceCollection services)
+        {
+            services
+                .AddSingleton<FormCleaningCarCollection>()
+                .AddLogging(option => { 
+                    option.SetMinimumLevel(LogLevel.Information);
+                    //option.AddSerilog(new LoggerConfiguration()
+                    //    //.WriteTo
+
+                    //    .CreateLogger());
+                    option.AddNLog("serilog.config");
+                });
+           
+            
         }
     }
 }

ProjectCleaningCar/ProjectCleaningCar/ProjectCleaningCar.csproj

@@ -8,6 +8,12 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="7.0.0" />
+  </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Properties\Resources.Designer.cs">
       <DesignTime>True</DesignTime>
@@ -23,4 +29,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="serilog.config">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

ProjectCleaningCar/ProjectCleaningCar/serilog.config

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+	<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ autoReload="true" internalLogLevel="Info">
+		<targets>
+			<target xsi:type="File" name="tofile" fileName="carlog-${shortdate}.log" />
+		</targets>
+		<rules>
+			<logger name="*" minlevel="Debug" writeTo="tofile" />
+		</rules>
+	</nlog>
+</configuration>