Сахарова Дарья Лаб. 1 Группа 6513

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 Кэширование</Strong></UnorderedListItem>
+            <UnorderedListItem>Вариант <Strong>№50 "Учебный курс"</Strong></UnorderedListItem>
+            <UnorderedListItem>Выполнена <Strong>Сахаровой Дарьей 6513</Strong> </UnorderedListItem>
+            <UnorderedListItem><Link To="https://github.com/daryaskhrv/cloud-development">Ссылка на форк</Link></UnorderedListItem>
         </UnorderedList>
     </CardBody>
 </Card>

Client.Wasm/wwwroot/appsettings.json

@@ -6,5 +6,5 @@
     }
   },
   "AllowedHosts": "*",
-  "BaseAddress": ""
+  "BaseAddress": "https://localhost:7068/api/course"
 }

CloudDevelopment.sln

@@ -1,10 +1,18 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.14.36811.4
+# Visual Studio Version 18
+VisualStudioVersion = 18.3.11505.172 d18.3
 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}") = "CourseApp.Domain", "CourseApp.Domain\CourseApp.Domain.csproj", "{8DB96A31-4C80-448B-8E97-33930E7DD01C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseApp.Api", "CourseApp.Api\CourseApp.Api.csproj", "{3E70AD66-1A84-425D-8EAA-23B820F3A292}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseApp.ServiceDefaults", "CourseApp.ServiceDefaults\CourseApp.ServiceDefaults.csproj", "{FA3F9ED2-E039-4168-AA5E-1E49E771AD99}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseApp.AppHost", "CourseApp.AppHost\CourseApp.AppHost.csproj", "{8874AAD8-BCC8-4E48-B7AB-C39E7B5F0F53}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +23,22 @@ Global
 		{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
+		{8DB96A31-4C80-448B-8E97-33930E7DD01C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8DB96A31-4C80-448B-8E97-33930E7DD01C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8DB96A31-4C80-448B-8E97-33930E7DD01C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8DB96A31-4C80-448B-8E97-33930E7DD01C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3E70AD66-1A84-425D-8EAA-23B820F3A292}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3E70AD66-1A84-425D-8EAA-23B820F3A292}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3E70AD66-1A84-425D-8EAA-23B820F3A292}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3E70AD66-1A84-425D-8EAA-23B820F3A292}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FA3F9ED2-E039-4168-AA5E-1E49E771AD99}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FA3F9ED2-E039-4168-AA5E-1E49E771AD99}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FA3F9ED2-E039-4168-AA5E-1E49E771AD99}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FA3F9ED2-E039-4168-AA5E-1E49E771AD99}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8874AAD8-BCC8-4E48-B7AB-C39E7B5F0F53}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8874AAD8-BCC8-4E48-B7AB-C39E7B5F0F53}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8874AAD8-BCC8-4E48-B7AB-C39E7B5F0F53}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8874AAD8-BCC8-4E48-B7AB-C39E7B5F0F53}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

CourseApp.Api/Controllers/CourseController.cs

@@ -0,0 +1,22 @@
+using CourseApp.Api.Services;
+using CourseApp.Domain.Entity;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CourseApp.Api.Controllers;
+
+[ApiController]
+[Route("api/[controller]")] 
+public class CourseController(CourseService _courseService) : ControllerBase
+{
+    /// <summary>
+    /// Получить курс по идентификатору
+    /// </summary>
+    /// <param name="id">Идентификатор курса</param>
+    /// <returns>Информация о курсе</returns>
+    [HttpGet] 
+    public async Task<ActionResult<Course>> Get(int id)
+    {
+        var course = await _courseService.GetCourseAsync(id);
+        return Ok(course);
+    }
+}

CourseApp.Api/CourseApp.Api.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Aspire.StackExchange.Redis.DistributedCaching" Version="13.1.1" />
+    <PackageReference Include="Bogus" Version="35.6.5" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CourseApp.Domain\CourseApp.Domain.csproj" />
+    <ProjectReference Include="..\CourseApp.ServiceDefaults\CourseApp.ServiceDefaults.csproj" />
+  </ItemGroup>
+
+</Project>

CourseApp.Api/Program.cs

@@ -0,0 +1,39 @@
+using CourseApp.Api.Services;
+using CourseApp.ServiceDefaults;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+builder.AddRedisDistributedCache("redis");
+
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("wasm", policy =>
+    {
+        policy.AllowAnyOrigin()
+        .WithMethods("GET")
+        .WithHeaders("Content-Type");
+    });
+});
+
+builder.Services.AddSingleton<CourseGenerator>();
+builder.Services.AddScoped<CourseService>();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.MapDefaultEndpoints();
+app.UseHttpsRedirection();
+app.UseCors("wasm");
+app.UseAuthorization();
+app.MapControllers();
+app.Run();

CourseApp.Api/Properties/launchSettings.json

@@ -0,0 +1,41 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:19002",
+      "sslPort": 44340
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5083",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7068;http://localhost:5083",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

CourseApp.Api/Services/CourseGenerator.cs

@@ -0,0 +1,46 @@
+using Bogus;
+using CourseApp.Domain.Entity;
+
+namespace CourseApp.Api.Services;
+
+/// <summary>
+/// Генератор тестовых данных при отсутствии данных в кэше
+/// </summary>
+public class CourseGenerator
+{
+    private static readonly string[] _courseNames =
+    [
+        "C# для начинающих",
+        "Python для анализа данных",
+        "Микросервисная архитектура",
+        "Docker",
+        "Алгоритмы и структуры данных",
+        "SQL и базы данных",
+        "Автоматизированное тестирование",
+        "HTML+CSS Вёрстка сайтов"
+    ];
+
+    /// <summary>
+    /// Преднастроенный генератор
+    /// </summary>
+    private static readonly Faker<Course> _faker = new Faker<Course>("ru")
+        .RuleFor(c => c.Name, f => f.PickRandom(_courseNames))
+        .RuleFor(c => c.TeacherFullName, f => f.Name.FullName())
+        .RuleFor(c => c.StartDate, f => f.Date.SoonDateOnly(30))
+        .RuleFor(c => c.EndDate, (f, c) => c.StartDate.AddDays(f.Random.Int(30, 180)))
+        .RuleFor(c => c.MaxStudents, f => f.Random.Int(10, 50))
+        .RuleFor(c => c.CurrentStudents, (f, c) => f.Random.Int(0, c.MaxStudents))
+        .RuleFor(c => c.HasCertificate, f => f.Random.Bool())
+        .RuleFor(c => c.Price, f => Math.Round(f.Random.Decimal(5000, 10000), 2))
+        .RuleFor(c => c.Rating, f => f.Random.Int(1, 5));
+
+    /// <summary>
+    /// Генерирует новый экземпляр курса с указанным идентификатором
+    /// </summary>
+    public Course Generate(int id)
+    {
+        var course = _faker.Generate();
+        course.Id = id;
+        return course;
+    }
+}

CourseApp.Api/Services/CourseService.cs

@@ -0,0 +1,64 @@
+using System.Text.Json;
+using CourseApp.Domain.Entity;
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace CourseApp.Api.Services;
+
+/// <summary>
+/// Сервис для получения информации о курсе
+/// </summary>
+public class CourseService(IDistributedCache _cache, IConfiguration _configuration,
+                ILogger<CourseService> _logger, CourseGenerator _generator)
+{
+    /// <summary>
+    /// Получает курс по идентификатору из кэша или с помощью генератора
+    /// </summary>
+    public async Task<Course> GetCourseAsync(int id)
+    {
+
+        var cacheKey = $"course-{id}";
+        _logger.LogInformation("Попытка получить курс {CourseId} из кэша",id);
+        var cachedData = await _cache.GetStringAsync(cacheKey);
+
+        if (!string.IsNullOrEmpty(cachedData))
+        {
+            try
+            {
+                var cachedCourse = JsonSerializer.Deserialize<Course>(cachedData);
+
+                if (cachedCourse != null)
+                {
+                    _logger.LogInformation("Курс {CourseId} успешно получен из кэша", id);
+                    return cachedCourse;
+                }
+                _logger.LogWarning("Курс {CourseId} найден в кэше, но десериализация вернула null", id);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка десериализации курса {CourseId} из кэша", id);
+            }
+        }
+
+        _logger.LogInformation("Курс {CourseId} отсутствует в кэше. Начинаем генерацию", id);
+
+        var course = _generator.Generate(id);
+
+        try
+        {
+            var expirationMinutes = _configuration.GetValue("CacheSettings:ExpirationMinutes", 5);
+
+            var cacheOptions = new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(expirationMinutes)
+            };
+
+            await _cache.SetStringAsync(cacheKey, JsonSerializer.Serialize(course), cacheOptions);
+            _logger.LogInformation("Курс {CourseId} сгенерирован и сохранён в кэш", id);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "Не удалось сохранить курс {CourseId} в кэш. Работа продолжается без кэширования.", id);
+        }
+        return course;
+    }
+}

CourseApp.Api/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

CourseApp.Api/appsettings.json

@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "CacheSettings": {
+    "ExpirationMinutes": 10
+  },
+  "AllowedHosts": "*"
+}

CourseApp.AppHost/AppHost.cs

@@ -0,0 +1,21 @@
+var builder = DistributedApplication.CreateBuilder(args);
+
+var redis = builder.AddRedis("redis");
+
+var redisCommander = builder.AddContainer(
+        name: "redis-commander",
+        image: "rediscommander/redis-commander")
+    .WithEnvironment("REDIS_HOSTS", "local:redis:6379")
+    .WithReference(redis)
+    .WaitFor(redis)
+    .WithEndpoint(port: 8081, targetPort: 8081);
+
+var api = builder.AddProject<Projects.CourseApp_Api>("courseapp-api")
+    .WithReference(redis)
+    .WaitFor(redis);
+
+builder.AddProject<Projects.Client_Wasm>("client")
+    .WithReference(api)
+    .WaitFor(api);
+
+builder.Build().Run();

CourseApp.AppHost/CourseApp.AppHost.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Aspire.AppHost.Sdk/13.1.0">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <UserSecretsId>c086dba3-3e81-4540-916e-ccad1674fa30</UserSecretsId>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Aspire.Hosting.AppHost" Version="13.1.1" />
+		<PackageReference Include="Aspire.Hosting.Redis" Version="13.1.1" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\Client.Wasm\Client.Wasm.csproj" />
+		<ProjectReference Include="..\CourseApp.Api\CourseApp.Api.csproj" />
+	</ItemGroup>
+
+
+</Project>