transactions

back/services/bussines/PhotoService/IPhotoService.cs

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+using back.DataModels;
+using back.DTO;
+using DependencyInjector.Abstractions.ClassTypes;
+using DependencyInjector.Lifetimes;
+
+namespace back.services.bussines.PhotoService;
+
+public interface IPhotoService: IScoped
+{
+    Task<Photo?> Create(PhotoFormModel form);
+    Task Delete(string id, string userId = "00000000-0000-0000-0000-000000000001");
+    Task<Photo?> Get(string id, string userId = "00000000-0000-0000-0000-000000000001");
+    Task<(string? mediaType, byte[]? fileBytes)> GetBytes(string id, string res = "");
+    Task<(int totalItems, IEnumerable<Photo>? pageData)> GetPage(int page, int pageSize);
+    Task<Photo?> Update(Photo photo, string userId = "00000000-0000-0000-0000-000000000001");
+}

back/services/bussines/PhotoService/PhotoService.cs

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+using back.DataModels;
+using back.DTO;
+using back.persistance.blob;
+using back.persistance.data.repositories.Abstracts;
+
+namespace back.services.bussines.PhotoService;
+
+public class PhotoService(
+    IPhotoRepository photoRepository,
+    IUserRepository userRepository,
+    IBlobStorageService blobStorageService
+    ) : IPhotoService
+{
+    public async Task<Photo?> Create(PhotoFormModel form)
+    {
+        ArgumentNullException.ThrowIfNull(form);
+        if (form.Image == null || form.Image.Length == 0)
+            throw new ArgumentException("No image uploaded.", nameof(form));
+        //if (string.IsNullOrEmpty(form.UserId) || await userRepository.IsContentManager(form.UserId))
+        //    throw new ArgumentException("Invalid user ID or user is not a content manager.", nameof(form.UserId));
+
+
+
+        throw new NotImplementedException();
+    }
+
+    public async Task Delete(string id, string userId = User.SystemUserId)
+    {
+        //if (string.IsNullOrEmpty(userId) || await userRepository.IsContentManager(userId))
+        //    throw new ArgumentException("Invalid user ID or user is not a content manager.", nameof(userId));
+        photoRepository.Delete(id);
+    }
+
+    public async Task<Photo?> Get(string id, string userId = User.SystemUserId)
+    {
+        Photo? photo = await photoRepository.GetById(id);
+        return photo;
+        //return photo?.CanBeSeenBy(userId) ?? false
+        //    ? photo
+        //    : null;
+    }
+
+    public async Task<(string? mediaType, byte[]? fileBytes)> GetBytes(string id, string res = "")
+    {
+        var photo = await photoRepository.GetById(id);
+        if (photo == null)
+            return (null, null);
+
+        string filePath = res.ToLower() switch
+        {
+            "high" => photo.HighResUrl,
+            "mid" => photo.MidResUrl,
+            "low" or _ => photo.LowResUrl
+        };
+
+        string? mediaType = res.ToLower() switch
+        {
+            "high" => $"image/{photo.Extension}",
+            "mid" or "low" or _ => "image/webp",
+        };
+
+        return (
+            mediaType,
+            await blobStorageService.GetBytes(filePath) ?? throw new FileNotFoundException("File not found.", filePath)
+        );
+    }
+
+    public async Task<(int totalItems, IEnumerable<Photo>? pageData)> GetPage(int page, int pageSize)
+    {
+        return (
+            totalItems: await photoRepository.GetTotalItems(),
+            pageData: photoRepository.GetPage(page, pageSize)
+        );
+    }
+
+    public async Task<Photo?> Update(Photo photo, string userId = "00000000-0000-0000-0000-000000000001")
+    {
+        //if (string.IsNullOrEmpty(userId) || await userRepository.IsContentManager(userId))
+        //    throw new ArgumentException("Invalid user ID or user is not a content manager.", nameof(userId));
+        return await photoRepository.Update(photo);
+    }
+}