CreatePost - Upload files, thumbnail, external link

src/Web/Features/Contents/Handlers/CreateContent.cs

@@ -4,6 +4,7 @@ using Hutopy.Web.Common.BlobStorage;
 using Hutopy.Web.Common.Security;
 using Hutopy.Web.Features.Contents.Data;
 using Hutopy.Web.Features.Contents.Handlers.Models;
+using Microsoft.EntityFrameworkCore;
 
 namespace Hutopy.Web.Features.Contents.Handlers;
 
@@ -14,7 +15,7 @@ public record PostContentRequest(
     string Title,
     string Description,
     IFormFileCollection? Files,
-    IFormFile? Thumbnail, // Nouveau champ pour le thumbnail
+    IFormFile? Thumbnail, 
     string[]? ExternalUrls);
 
 [PublicAPI]
@@ -39,11 +40,15 @@ public sealed class PostContentRequestValidator : Validator<PostContentRequest>
             .NotEmpty().WithMessage("You should specify a valid/not empty Description");
 
         RuleForEach(r => r.ExternalUrls)
-            .NotEmpty().WithMessage("External URL cannot be empty")
+            .Must(url => Uri.IsWellFormedUriString(url, UriKind.Absolute) &&
-            .Must(url => Uri.IsWellFormedUriString(url, UriKind.Absolute)).WithMessage("External URL is not valid");
+                         (url.StartsWith("http://") || url.StartsWith("https://")))
+            .WithMessage("External URL must be a valid HTTP/HTTPS URL");
 
         RuleFor(r => r.Thumbnail)
-            .Must(file => file == null || file.Length > 0).WithMessage("Thumbnail file is invalid.");
+            .Must(file => file == null || file.ContentType.StartsWith("image/"))
+            .WithMessage("Thumbnail must be an image");
+
+
     }
 }
 
@@ -59,20 +64,19 @@ public sealed class PostContent(
         AllowFileUploads(); 
     }
 
-    public override async Task HandleAsync(
+    public override async Task HandleAsync(PostContentRequest req, CancellationToken ct)
-        PostContentRequest req,
-        CancellationToken ct)
     {
         var urls = new ConcurrentBag<string>();
         string? thumbnailUrl = null;
 
-        // Traitement des fichiers uploadés
+        using var transaction = await context.Database.BeginTransactionAsync(ct);
-        if (req.Files is not null)
+
+        try
         {
-            await Parallel.ForEachAsync(
+       
-                req.Files,
+            if (req.Files is not null)
-                ct,
+            {
-                async (file, ict) =>
+                await Parallel.ForEachAsync(req.Files, ct, async (file, ict) =>
                 {
                     try
                     {
@@ -81,32 +85,35 @@ public sealed class PostContent(
                     }
                     catch (Exception ex)
                     {
-                        Logger.LogError("{ErrorMessage}", ex.Message);
+                        Logger.LogError("Failed to upload file {FileName}: {Message}", file.FileName, ex.Message);
                     }
                 });
-        }
-
-        // Téléversement du thumbnail
-        if (req.Thumbnail is not null)
-        {
-            try
-            {
-                thumbnailUrl = await SaveFileAsync(
-                    req.CreatorId,
-                    req.Id,
-                    req.Thumbnail,
-                    ct,
-                    isThumbnail: true); // Utilisation d'un chemin spécifique pour le thumbnail
             }
-            catch (Exception ex)
-            {
-                Logger.LogError("Error uploading thumbnail: {ErrorMessage}", ex.Message);
-            }
-        }
 
-        // Ajout à la base de données
+       
-        await context.Contents.AddAsync(
+            if (req.ExternalUrls is not null)
-            new Content
+            {
+                foreach (var externalUrl in req.ExternalUrls.Where(url => !string.IsNullOrWhiteSpace(url)))
+                {
+                    urls.Add(externalUrl);
+                }
+            }
+
+         
+            if (req.Thumbnail is not null)
+            {
+                try
+                {
+                    thumbnailUrl = await SaveFileAsync(req.CreatorId, req.Id, req.Thumbnail, ct, isThumbnail: true);
+                }
+                catch (Exception ex)
+                {
+                    Logger.LogError("Error uploading thumbnail: {Message}", ex.Message);
+                }
+            }
+
+           
+            await context.Contents.AddAsync(new Content
             {
                 Id = req.Id,
                 CreatedBy = User.GetUserId(),
@@ -114,33 +121,19 @@ public sealed class PostContent(
                 Description = req.Description,
                 Urls = urls.IsEmpty ? null : urls.ToArray(),
                 ThumbnailUrl = thumbnailUrl,
-            },
+            }, ct);
-            ct);
 
-        await context.SaveChangesAsync(ct);
+            await context.SaveChangesAsync(ct);
+            await transaction.CommitAsync(ct);
 
-        // Récupérer le contenu pour le retour
+            await SendOkAsync(new { Message = "Content published successfully!" }, ct);
-        var content = await context
+        }
-            .Contents
+        catch (Exception ex)
-            .Select(c => new ContentModel
+        {
-            {
+            await transaction.RollbackAsync(ct);
-                Id = c.Id,
+            Logger.LogError("Transaction failed: {Message}", ex.Message);
-                CreatedBy = c.CreatedBy,
+            throw;
-                CreatedByName = c.Creator!.Name,
+        }
-                CreatedByPortraitUrl = c.Creator.Images.Logo,
-                CreatedAt = c.CreatedAt,
-                DeletedBy = c.DeletedBy,
-                DeletedAt = c.DeletedAt,
-                Title = c.Title,
-                Description = c.Description,
-                Urls = c.Urls,
-                ThumbnailUrl = c.ThumbnailUrl,
-            })
-            .SingleOrDefaultAsync(
-                c => c.Id == req.Id,
-                cancellationToken: ct);
-
-        await SendOkAsync(content, ct);
     }
 
     private async Task<string> SaveFileAsync(
@@ -148,21 +141,19 @@ public sealed class PostContent(
         Guid contentId,
         IFormFile file,
         CancellationToken ct = default,
-        bool isThumbnail = false) // Nouveau paramètre pour indiquer si c'est un thumbnail
+        bool isThumbnail = false)
     {
-        // Détermine le chemin du blob
-        var blobName = isThumbnail
-            ? $"{creatorId}/{SubDirectoryNames.Contents}/{contentId}/thumbnail-{file.FileName}" // Chemin pour le thumbnail
-            : $"{creatorId}/{SubDirectoryNames.Contents}/{contentId}/{file.FileName}"; // Chemin pour les fichiers normaux
         
-        // Téléverse le fichier
+        var blobName = isThumbnail
-        var url = await blobStorage.UploadFileAsync(
+            ? $"{creatorId}/{SubDirectoryNames.Contents}/{contentId}/thumbnail-{file.FileName}"
+            : $"{creatorId}/{SubDirectoryNames.Contents}/{contentId}/{file.FileName}";
+
+  
+        return await blobStorage.UploadFileAsync(
             ContainerNames.Creators,
             blobName,
             file.OpenReadStream(),
             file.ContentType,
             ct: ct);
-
-        return url;
     }
 }