IFileService, настройки хранилища. EsppDataController

PARR.API/Contracts/V1/ApiRoutes.cs

@@ -41,6 +41,12 @@
             public const string getParam = "{id}";
         }
 
+        public static class EsppData
+        {
+            public const string UploadTemplates = Base + "/espp-data/templates";
+
+        }
+
         public static class Test
         {
             public const string GetMyIp = Base + "/tests/my-ip";

PARR.API/Controllers/V1/EsppDataController.cs

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using PARR.API.Contracts.V1;
+using PARR.API.Controllers.V1.Base;
+using PARR.API.Services.Interfaces;
+
+namespace PARR.API.Controllers.V1
+{
+    public class EsppDataController : BaseApiController
+    {
+        private readonly IFileService fileService;
+
+        public EsppDataController(ILogger<EsppDataController> logger, IFileService fileService)
+        {
+            Logger = logger;
+            this.fileService = fileService;
+        }
+
+        public ILogger<EsppDataController> Logger { get; }
+
+        /// <summary>
+        /// Загрузить файл списка шаблонов полученных из ЕСПП в формате csv
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost(ApiRoutes.EsppData.UploadTemplates)]
+        public IActionResult UploadTemplates([BindRequired] IFormFile file)
+        {
+            return Ok();
+        }
+    }
+}

PARR.API/Domain/UploadResult.cs

@@ -0,0 +1,8 @@
+namespace PARR.API.Domain
+{
+    public class UploadResult
+    {
+        public required string FileName { get; set; }
+        public required string Path { get; set; }
+    }
+}

PARR.API/Installers/ApiServicesInstaller.cs

@@ -20,7 +20,7 @@ namespace PARR.API.Installers
             });
 
             services.AddTransient<IClientService, ClientService>();
-            //services.AddTransient<IFileService, FileService>();
+            services.AddTransient<IFileService, FileService>();
 
 
         }

PARR.API/Installers/SettingsInstaller.cs

@@ -1,4 +1,6 @@
-namespace PARR.API.Installers
+using PARR.API.Settings;
+
+namespace PARR.API.Installers
 {
     /// <summary>
     /// Биндинги из конфига appsettings
@@ -7,9 +9,9 @@
     {
         public static void InstallSettings(this IServiceCollection services, IConfiguration configuration)
         {
-            //var storageSettings = new StorageSettings();
-            //configuration.GetSection(nameof(StorageSettings)).Bind(storageSettings);
-            //services.AddSingleton(storageSettings);
+            var storageSettings = new StorageSettings();
+            configuration.GetSection(nameof(StorageSettings)).Bind(storageSettings);
+            services.AddSingleton(storageSettings);
 
             //TODO: add other
         }

PARR.API/Services/Implementations/FileService.cs

@@ -0,0 +1,101 @@
+using PARR.API.Domain;
+using PARR.API.Services.Interfaces;
+using PARR.API.Settings;
+
+namespace PARR.API.Services.Implementations
+{
+    public class FileService : IFileService
+    {
+        private readonly StorageSettings storageSettings;
+        private readonly ILogger<FileService> logger;
+
+        public FileService(StorageSettings storageSettings, ILogger<FileService> logger)
+        {
+            this.storageSettings = storageSettings;
+            this.logger = logger;
+        }
+
+        public bool IsExtensionAllowed(IFormFile formFile, string[] allowedExtensions)
+        {
+            var extension = Path.GetExtension(formFile.FileName).ToLower();
+
+            return !string.IsNullOrEmpty(extension) && allowedExtensions.Contains(extension);
+        }
+
+        public bool IsNotExceededLimit(IFormFile formFile, int limitMb)
+        {
+            var fileSizeByte = formFile.Length;
+            var fileSizeMByte = fileSizeByte / 1024.0 / 1024.0;
+
+            return fileSizeMByte < limitMb;
+        }
+
+        public async Task<UploadResult?> UploadAsync(IFormFile formFile, string[] rootFolderWithoutStorage)
+        {
+            InitRootFolders(rootFolderWithoutStorage);
+
+            //Генерим уникальное имя файла: старое имя + рандом в середину
+            var newFileName = $"{Path.GetFileNameWithoutExtension(formFile.FileName)}-{Path.GetFileNameWithoutExtension(Path.GetRandomFileName())}{Path.GetExtension(formFile.FileName)}";
+
+
+            var relativePath = Path.Combine(Path.Combine(rootFolderWithoutStorage), newFileName);
+            var absPath = Path.Combine(storageSettings.StoragePath, relativePath);
+
+            if (File.Exists(absPath))
+            {
+                logger.LogError($"Не могу сохранить файл, такой файл уже существует: {absPath}");
+                return null;
+            }
+
+            try
+            {
+                var origFileName = Path.GetFileName(formFile.FileName);
+
+                using (var stream = new FileStream(absPath, FileMode.Create))
+                {
+                    await formFile.CopyToAsync(stream);
+                    logger.LogInformation($"Файл сохранен {origFileName}, {absPath}");
+                }
+
+                return new UploadResult { FileName = origFileName, Path = relativePath };
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, $"Ошибка при сохранении файла {absPath}");
+                return null;
+            }
+        }
+
+        private void InitRootFolders(string[] rootFolderWithoutStorage)
+        {
+            if (!rootFolderWithoutStorage.Any())
+                return;
+
+            var path = string.Empty;
+            foreach (var item in rootFolderWithoutStorage)
+            {
+                path = Path.Combine(path, item);
+                CreateDirectory(path);
+            }
+        }
+
+        private void CreateDirectory(string relativePath)
+        {
+            var absolutePath = Path.Combine(storageSettings.StoragePath, relativePath);
+
+            try
+            {
+                if (!Directory.Exists(absolutePath))
+                    Directory.CreateDirectory(absolutePath);
+
+                // не нужно ничего возвращать, при сохраненнии файла будет ошибка и ее обработаем
+                //return true;
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e, $"Не могу создать директорию: {absolutePath}");
+                //return false;
+            }
+        }
+    }
+}

PARR.API/Services/Interfaces/IFileService.cs

@@ -0,0 +1,25 @@
+using PARR.API.Domain;
+
+namespace PARR.API.Services.Interfaces
+{
+    public interface IFileService
+    {
+        Task<UploadResult?> UploadAsync(IFormFile formFile, string[] rootFolderWithoutStorage);
+
+        /// <summary>
+        /// Размер файла не превышает лимит?
+        /// </summary>
+        /// <param name="formFile"></param>
+        /// <param name="limit"></param>
+        /// <returns></returns>
+        bool IsNotExceededLimit(IFormFile formFile, int limitMb);
+
+        /// <summary>
+        /// Разрешено это расширение?
+        /// </summary>
+        /// <param name="formFile"></param>
+        /// <param name="allowedExtensions"></param>
+        /// <returns></returns>
+        bool IsExtensionAllowed(IFormFile formFile, string[] allowedExtensions);
+    }
+}

PARR.API/Settings/StorageSettings.cs

@@ -0,0 +1,24 @@
+namespace PARR.API.Settings
+{
+    public class StorageSettings
+    {
+        /// <summary>
+        /// Путь к хранилищу
+        /// </summary>
+        public string StoragePath { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Настройки хранилища загрузки шаблонов ЕСПП
+        /// </summary>
+        public StorageSettingsEsspTemplates? EsppTemplates { get; set; }
+    }
+
+    public class StorageSettingsEsspTemplates
+    {
+        public string[] TemplatePath => new string[] { "espp-templates" };
+
+        public string[] AllowedExtensions { get; set; } = Array.Empty<string>();
+
+        public int MaxFileSizeMb { get; set; }
+    }
+}

PARR.API/appsettings.Development.json

@@ -4,5 +4,8 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
+  },
+  "StorageSettings": {
+    "StoragePath": "W:\\"
   }
 }

PARR.API/appsettings.json

@@ -29,5 +29,12 @@
   "AllowedHosts": "*",
   "CorsSettings": {
     "AllowedHosts": "*"
+  },
+  "StorageSettings": {
+    "StoragePath": "Data",
+    "EsppTemplates": {
+      "AllowedExtensions": [ ".csv" ],
+      "MaxFileSizeMb": 100
+    }
   }
 }