Ле Хань Хоанг Лаб. 3 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>№3 Интеграционное тестирование </Strong></UnorderedListItem>
+            <UnorderedListItem>Вариант <Strong>№45 Товар на складе</Strong></UnorderedListItem>
+            <UnorderedListItem>Выполнена <Strong> Ле Хань Хоанг 6513</Strong> </UnorderedListItem>
+            <UnorderedListItem><Link To="https://github.com/vieKH/cloud-development">Ссылка на форк</Link></UnorderedListItem>
         </UnorderedList>
     </CardBody>
 </Card>

Client.Wasm/wwwroot/appsettings.json

@@ -6,5 +6,5 @@
     }
   },
   "AllowedHosts": "*",
-  "BaseAddress": ""
+  "BaseAddress": "https://localhost:7000/api/inventory"
 }

CloudDevelopment.sln

@@ -1,20 +1,116 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.14.36811.4
+# Visual Studio Version 18
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 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}") = "Inventory.ApiService", "InventoryManager\Inventory.ApiService\Inventory.ApiService.csproj", "{E32F4311-CD79-A2FA-0DBA-55DAD48F6377}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory.AppHost", "InventoryManager\Inventory.AppHost\Inventory.AppHost.csproj", "{AEBB0C4B-1B1C-46E8-ED62-4289C5A76CEE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory.ServiceDefaults", "InventoryManager\Inventory.ServiceDefaults\Inventory.ServiceDefaults.csproj", "{E302BFA1-84FC-63A7-EA3A-7872A83042B9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory.Gateway", "InventoryManager\Inventory.Gateway\Inventory.Gateway.csproj", "{103A57B1-1180-645E-9B47-C67CDA2CD513}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory.Tests", "InventoryManager\Inventory.Tests\Inventory.Tests.csproj", "{0F0A6F8E-863E-D920-2530-95CD2F7CD63D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory.FileService", "InventoryManager\Inventory.FileService\Inventory.FileService.csproj", "{B30C51CA-2866-57DA-E0D4-D52385B5F3BE}"
+EndProject
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 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

InventoryManager/Inventory.ApiService/Cache/IInventoryCache.cs

@@ -0,0 +1,17 @@
+using Inventory.ApiService.Entity;
+
+namespace Inventory.ApiService.Cache;
+
+/// <summary>
+/// Интерфейс сервиса для получения продукта с использованием кэширования.
+/// </summary>
+public interface IInventoryCache
+{
+    /// <summary>
+    /// Возвращает продукт по идентификатору из кэша или генерирует его при отсутствии в кэше.
+    /// </summary>
+    /// <param name="id"> Идентификатор продукта</param>
+    /// <param name="ct"> Токен отмены операции</param>
+    /// <returns> Экземпляр продукта</returns>
+    public Task<Product> GetAsync(int id, CancellationToken ct);
+}

InventoryManager/Inventory.ApiService/Cache/InventoryCache.cs

@@ -0,0 +1,84 @@
+using System.Text.Json;
+using Inventory.ApiService.Entity;
+using Inventory.ApiService.Generation;
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace Inventory.ApiService.Cache;
+/// <summary>
+/// Реализация сервиса кэширования для получения продукта.
+/// Сначала пытается получить данные из кэша, при отсутствии — генерирует продукт и сохраняет его в кэш.
+/// </summary>
+/// <param name="cache"> Сервис распределённого кэширования</param>
+/// <param name="configuration"> Конфигурация приложения</param>
+/// <param name="logger"> Логгер для записи событий</param>
+/// <param name="generator"> Генератор </param>
+public class InventoryCache(IDistributedCache cache, IConfiguration configuration, ILogger<InventoryCache> logger,Generator generator) : IInventoryCache
+{
+    /// <summary>
+    /// Возвращает продукт по идентификатору.
+    /// При наличии в кэше возвращает сохранённые данные, иначе генерирует новый объект и сохраняет его в кэш 
+    /// </summary>
+    /// <param name="id"> Идентификатор продукта</param>
+    /// <param name="ct"> Токен отмены операции</param>
+    /// <returns></returns>
+    public async Task<Product> GetAsync(int id, CancellationToken ct)
+    {
+        var cacheKey = $"inventory-{id}";
+        logger.LogInformation("Try get product {Id} from cache", id);
+
+        string? cachedData = null;
+
+        try
+        {
+            cachedData = await cache.GetStringAsync(cacheKey, ct);
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarning(ex, "Cache READ failed for {Id}. Continue without cache.", id);
+        }
+
+        if (!string.IsNullOrEmpty(cachedData))
+        {
+            try
+            {
+                var cachedProduct = JsonSerializer.Deserialize<Product>(cachedData);
+                if (cachedProduct is not null)
+                {
+                    logger.LogInformation("Cache HIT for product {Id}", id);
+                    return cachedProduct;
+                }
+
+                logger.LogWarning("Cache HIT but deserialize returned null for product {Id}", id);
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning(ex, "Deserialize failed for product {Id}. Continue without cache.", id);
+            }
+        }
+
+        logger.LogInformation("Cache MISS for product {Id}. Generating.", id);
+        var product = generator.Generate(id);
+
+        try
+        {
+            var expirationMinutes = configuration.GetValue("CacheSettings:ExpirationMinutes", 5);
+            var options = new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(expirationMinutes)
+            };
+
+            await cache.SetStringAsync(cacheKey, JsonSerializer.Serialize(product), options, ct);
+            logger.LogInformation("Product {Id} saved to cache", id);
+        }
+        catch (OperationCanceledException) when (ct.IsCancellationRequested)
+        {
+            throw;
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarning(ex, "Cache WRITE failed for {Id}. Continue without cache.", id);
+        }
+
+        return product;
+    }
+}

InventoryManager/Inventory.ApiService/Controllers/InventoryControler.cs

@@ -0,0 +1,35 @@
+using Inventory.ApiService.Entity;
+using Inventory.ApiService.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Inventory.ApiService.Controllers;
+
+/// <summary>
+/// Контроллер для работы с инвентарём (товарами).
+/// Предоставляет методы получения информации о продуктах по идентификатору.
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public class InventoryController(ILogger<InventoryController> logger, IInventoryService inventoryService) : ControllerBase
+{
+    /// <summary>
+    /// Получает информацию о продукте из инвентаря по указанному ID.
+    /// </summary>
+    /// <param name="id"> Идентификатор продукта (целое неотрицательное число).</param>
+    /// <param name="ct"> Токен отмены операции.</param>
+    /// <returns> Объект продукта с кодом 200 OK или ошибку 400 Bad Request, если ID не указан или неверен.</returns>
+    [HttpGet]
+    [ProducesResponseType(typeof(Product), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public async Task<ActionResult<Product>> Get([FromQuery] int? id, CancellationToken ct)
+    {
+        if (id is null || id < 0)
+            return BadRequest("id is required and must be >= 0");
+
+        logger.LogInformation("Processing request for inventory {ResourceId}", id);
+
+        var product = await inventoryService.GetInventory(id.Value, ct);
+
+        return Ok(product);
+    }
+}

InventoryManager/Inventory.ApiService/Entity/Product.cs

@@ -0,0 +1,57 @@
+namespace Inventory.ApiService.Entity;
+
+/// <summary>
+/// Класс, представляющий товар на складе
+/// </summary>
+public class Product
+{
+    /// <summary>
+    /// Идентификатор в системе
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Наименование товара
+    /// </summary>
+    public string NameProduct { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Категория товара
+    /// </summary>
+    public string Category { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Количество на складе
+    /// </summary>
+    public int Quantity { get; set; }
+
+    /// <summary>
+    /// Цена за единицу товара
+    /// </summary>
+    public decimal Price { get; set; }
+
+    /// <summary>
+    /// Вес единицы товара
+    /// </summary>
+    public double Weight { get; set; }
+
+    /// <summary>
+    /// Габариты единицы товара
+    /// </summary>
+    public string Dimension { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Товар хрупкий
+    /// </summary>
+    public bool IsFragile { get; set; }
+
+    /// <summary>
+    /// Дата последней поставки
+    /// </summary>
+    public DateOnly LastDeliveryDate { get; set; }
+
+    /// <summary>
+    /// Дата следующей поставки
+    /// </summary>
+    public DateOnly NextDeliveryDate { get; set; }
+}

InventoryManager/Inventory.ApiService/Generation/Generator.cs

@@ -0,0 +1,43 @@
+using Bogus;
+using Inventory.ApiService.Entity;
+
+namespace Inventory.ApiService.Generation;
+/// <summary>
+/// Сервис генерации тестовых данных продукта.Использует библиотеку Bogus для создания случайных значений.
+/// </summary>
+public class Generator
+{
+    private static readonly Faker<Product> _faker = new Faker<Product>()
+        .RuleFor(x => x.NameProduct, f => f.Commerce.ProductName())
+        .RuleFor(x => x.Category, f => f.Commerce.Categories(1)[0])
+        .RuleFor(x => x.Quantity, f => f.Random.Int(0, 1000))
+        .RuleFor(x => x.Price, f => Math.Round(f.Random.Decimal(1, 10000), 2))
+        .RuleFor(x => x.Weight, f => Math.Round(f.Random.Double(0.1, 100), 2))
+        .RuleFor(x => x.Dimension, f =>
+        {
+            var a = f.Random.Int(1, 200);
+            var b = f.Random.Int(1, 200);
+            var c = f.Random.Int(1, 200);
+            return $"{a}×{b}×{c} cm";
+        })
+        .RuleFor(x => x.IsFragile, f => f.Random.Bool())
+        .RuleFor(x => x.LastDeliveryDate, f => DateOnly.FromDateTime(f.Date.Past(2)))
+        .RuleFor(x => x.NextDeliveryDate, (f, item) =>
+        {
+            var lastDate = item.LastDeliveryDate.ToDateTime(TimeOnly.MinValue);
+            var nextDate = f.Date.Between(lastDate, lastDate.AddMonths(6));
+            return DateOnly.FromDateTime(nextDate);
+        });
+
+    /// <summary>
+    /// Генерирует продукт по заданному идентификатору.
+    /// </summary>
+    /// <param name="id"> Идентификатор продукта</param>
+    /// <returns> Сгенерированный объект продукта</returns>
+    public Product Generate(int id)
+    {
+        var product = _faker.Generate();
+        product.Id = id;
+        return product;
+    }
+}