Томашайтис Павел Лаб. 1 Группа 6513

Client.Wasm/Client.Wasm.csproj

@@ -10,6 +10,10 @@
     <None Remove="Components\StudentCard.razor~RF1bb17a4.TMP" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="Client.Wasm.csproj.user" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="Blazorise" Version="1.8.8" />
     <PackageReference Include="Blazorise.Bootstrap" Version="1.8.8" />

Client.Wasm/Components/StudentCard.razor

@@ -4,10 +4,10 @@
     </CardHeader>
     <CardBody>
         <UnorderedList Unstyled>
-            <UnorderedListItem>Номер <Strong>№X "Название лабораторной"</Strong></UnorderedListItem>
-            <UnorderedListItem>Вариант <Strong>№Х "Название варианта"</Strong></UnorderedListItem>
-            <UnorderedListItem>Выполнена <Strong>Фамилией Именем 65ХХ</Strong> </UnorderedListItem>
-            <UnorderedListItem><Link To="https://puginarug.com/">Ссылка на форк</Link></UnorderedListItem>
+            <UnorderedListItem>Номер <Strong>№ 1</Strong></UnorderedListItem>
+            <UnorderedListItem>Вариант <Strong>№ 52</Strong></UnorderedListItem>
+            <UnorderedListItem>Выполнена <Strong>Томашайтисом Павлом 6513</Strong> </UnorderedListItem>
+            <UnorderedListItem><Link To="https://github.com/Tomashaytis/cloud-development">Ссылка на форк</Link></UnorderedListItem>
         </UnorderedList>
     </CardBody>
 </Card>

Client.Wasm/wwwroot/appsettings.json

@@ -6,5 +6,5 @@
     }
   },
   "AllowedHosts": "*",
-  "BaseAddress": "https://localhost:7170/land-plot"
+  "BaseAddress": "https://localhost:7170/course-management"
 }

CourseManagement.sln

@@ -0,0 +1,43 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 18
+VisualStudioVersion = 18.4.11506.43
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client.Wasm", "Client.Wasm\Client.Wasm.csproj", "{AE7EEA74-2FE0-136F-D797-854FD87E022A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseManagement.AppHost", "CourseManagement\CourseManagement.AppHost\CourseManagement.AppHost.csproj", "{68D48F1B-1FC5-4FF4-9227-1EEB20CF4B96}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseManagement.ServiceDefaults", "CourseManagement\CourseManagement.ServiceDefaults\CourseManagement.ServiceDefaults.csproj", "{39157B84-72E5-AB3C-22EB-59DEE8C02D29}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseManagement.ApiService", "CourseManagement\CourseManagement.ApiService\CourseManagement.ApiService.csproj", "{15EBA239-9A26-5A00-427D-D957E19F128A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{68D48F1B-1FC5-4FF4-9227-1EEB20CF4B96}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{68D48F1B-1FC5-4FF4-9227-1EEB20CF4B96}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{68D48F1B-1FC5-4FF4-9227-1EEB20CF4B96}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{68D48F1B-1FC5-4FF4-9227-1EEB20CF4B96}.Release|Any CPU.Build.0 = Release|Any CPU
+		{39157B84-72E5-AB3C-22EB-59DEE8C02D29}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{39157B84-72E5-AB3C-22EB-59DEE8C02D29}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{39157B84-72E5-AB3C-22EB-59DEE8C02D29}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{39157B84-72E5-AB3C-22EB-59DEE8C02D29}.Release|Any CPU.Build.0 = Release|Any CPU
+		{15EBA239-9A26-5A00-427D-D957E19F128A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{15EBA239-9A26-5A00-427D-D957E19F128A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{15EBA239-9A26-5A00-427D-D957E19F128A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{15EBA239-9A26-5A00-427D-D957E19F128A}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {90FE6B04-8381-437E-893A-FEBA1DA10AEE}
+	EndGlobalSection
+EndGlobal

CourseManagement/CourseManagement.ApiService/Controllers/CourseController.cs

@@ -0,0 +1,30 @@
+using Microsoft.AspNetCore.Mvc;
+using CourseManagement.ApiService.Dto;
+using CourseManagement.ApiService.Services;
+
+namespace CourseManagement.ApiService.Controllers;
+
+/// <summary>
+/// Контроллер для сущности типа Курс
+/// </summary>
+/// <param name="logger">Логгер</param>
+/// <param name="courseService">Сервис для сущности типа Курс</param>
+[ApiController]
+[Route("course-management")]
+public class CourseController(ILogger<CourseController> logger, CourseService courseService) : ControllerBase
+{
+    /// <summary>
+    /// Обработчик GET-запроса на генерацию курса
+    /// </summary>
+    /// <param name="id">Идентификатор курса</param>
+    /// <returns>Сгенерированный курс</returns>
+    [HttpGet]
+    public async Task<ActionResult<CourseDto>> GetCourse(int? id)
+    {
+        logger.LogInformation("Processing request for course {ResourceId}", id);
+
+        var course = await courseService.GetCourse(id ?? 0);
+
+        return course != null ? Ok(course) : Problem("Internal server error", statusCode: 500);
+    }
+}

CourseManagement/CourseManagement.ApiService/CourseManagement.ApiService.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CourseManagement.ServiceDefaults\CourseManagement.ServiceDefaults.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Aspire.StackExchange.Redis" Version="13.1.1" />
+    <PackageReference Include="Aspire.StackExchange.Redis.DistributedCaching" Version="13.1.1" />
+    <PackageReference Include="Bogus" Version="35.6.5" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="10.0.3" />
+  </ItemGroup>
+
+</Project>

CourseManagement/CourseManagement.ApiService/DTO/CourseDto.cs

@@ -0,0 +1,58 @@
+namespace CourseManagement.ApiService.Dto;
+
+
+/// <summary>
+/// DTO для сущности типа курс
+/// </summary>
+public class CourseDto
+{
+    /// <summary>
+    /// Идентификатор курса
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Название курса
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Лектор
+    /// </summary>
+    public string Lector { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Дата начала курса
+    /// </summary>
+    public DateOnly StartDate { get; set; }
+
+    /// <summary>
+    /// Дата окончания курса
+    /// </summary>
+    public DateOnly EndDate { get; set; }
+
+    /// <summary>
+    /// Максимальное число студентов для курса
+    /// </summary>
+    public int MaxStudents { get; set; }
+
+    /// <summary>
+    /// Текущее число студентов курса
+    /// </summary>
+    public int EnrolledStudents { get; set; }
+
+    /// <summary>
+    /// Выдача сертификата
+    /// </summary>
+    public bool HasSertificate { get; set; }
+
+    /// <summary>
+    /// Стоимость курса
+    /// </summary>
+    public decimal Price { get; set; }
+
+    /// <summary>
+    /// Рейтинг
+    /// </summary>
+    public int Rating { get; set; }
+}

CourseManagement/CourseManagement.ApiService/Program.cs

@@ -0,0 +1,55 @@
+using CourseManagement.ApiService.Dto;
+using CourseManagement.ApiService.Services;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add service defaults
+builder.AddServiceDefaults();
+
+// Redis
+builder.AddRedisDistributedCache("course-cache");
+
+// Add services to the container
+builder.Services.AddProblemDetails();
+builder.Services.AddOpenApi();
+
+// Контроллеры
+builder.Services.AddControllers();
+
+// CORS
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowClient", policy =>
+    {
+        policy.AllowAnyOrigin()
+              .WithMethods("GET")
+              .WithHeaders("Content-Type");
+    });
+});
+
+// Генератор курсов
+builder.Services.AddSingleton<CourseGenerator>();
+
+// Сервис для взаимодействия с кэшем
+builder.Services.AddSingleton<CacheService<CourseDto>>();
+
+// Сервис для сущности типа Курс
+builder.Services.AddSingleton<CourseService>();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline
+app.UseExceptionHandler();
+app.UseCors("AllowClient");
+
+// Mapping
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.MapControllers();
+
+app.MapDefaultEndpoints();
+
+app.Run();

CourseManagement/CourseManagement.ApiService/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5329",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7170;http://localhost:5329",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

CourseManagement/CourseManagement.ApiService/Services/CacheService.cs

@@ -0,0 +1,77 @@
+using System.Text.Json;
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace CourseManagement.ApiService.Services;
+
+/// <summary>
+/// Сервис для взаимодействия с кэшем
+/// </summary>
+/// <param name="cache">Кэш</param>
+/// <param name="logger">Логгер</param>
+public class CacheService<T>(IDistributedCache cache, ILogger<CacheService<T>> logger)
+{
+    /// <summary>
+    /// Время жизни данных в кэше
+    /// </summary>
+    private static readonly double _cacheDuration = 5;
+
+    /// <summary>
+    /// Асинхронный метод для извлечения данных из кэша
+    /// </summary>
+    /// <param name="key">Ключ для сущности</param>
+    /// <param name="id">Идентификатор объекта</param>
+    /// <returns>Объект или null при его отсутствии</returns>
+    public async Task<T?> FetchAsync(string key, int id)
+    {
+        var cacheKey = $"{key}:{id}";
+
+        try
+        {
+            var cached = await cache.GetStringAsync(cacheKey);
+            if (cached != null)
+            {
+                var obj = JsonSerializer.Deserialize<T>(cached);
+
+                logger.LogInformation("Cache hit for object {ResourceId}", id);
+
+                return obj;
+            }
+
+            logger.LogInformation("Cache miss for object {ResourceId}", id);
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarning(ex, "Сache is unavailable");
+        }
+
+        return default;
+    }
+
+    /// <summary>
+    /// Асинхронный метод для внесения данных в кэш
+    /// </summary>
+    /// <param name="key">Ключ для сущности</param>
+    /// <param name="id">Идентификатор объекта</param>
+    /// <param name="obj">Объект</param>
+    public async Task StoreAsync(string key, int id, T obj)
+    {
+        var cacheKey = $"{key}:{id}";
+
+        var options = new DistributedCacheEntryOptions
+        {
+            AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(_cacheDuration)
+        };
+
+        try
+        {
+            var serialized = JsonSerializer.Serialize(obj);
+            await cache.SetStringAsync(cacheKey, serialized, options);
+            logger.LogInformation("Object {ResourceId} cached", id);
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarning(ex, "Сache is unavailable");
+        }
+
+    }
+}