ref: project structure

2026-08-19 23:25:08 +07:00
parent 05a93cfc09
commit a1fe31cf70
155 changed files with 3339 additions and 1007 deletions
@@ -0,0 +1,51 @@
+using MediatR;
+using mws.backend.dotnet.application.Common;
+using mws.backend.dotnet.application.Permissions;
+using mws.backend.dotnet.domain.Documents;
+
+namespace mws.backend.dotnet.application.Documents;
+
+public record MoveDocumentCommand(Guid UserId, Guid DocumentId, Guid? NewParentId) : IRequest;
+
+public class MoveDocumentHandler(IUnitOfWork uow) : IRequestHandler<MoveDocumentCommand>
+{
+    public async Task Handle(MoveDocumentCommand command, CancellationToken ct)
+    {
+        var doc = await DocumentAccess.GetDocumentForUserAsync(uow, command.UserId, command.DocumentId, ct);
+        await DocumentAccess.EnsureDocumentPermissionAsync(uow, command.UserId, doc.ProjectId, PermissionAction.Edit, ct);
+
+        if (command.NewParentId == command.DocumentId)
+        {
+            throw new BadRequestException("A document cannot be moved into itself");
+        }
+
+        if (command.NewParentId is { } parentId)
+        {
+            var parent = await uow.Documents.GetByIdAsync(parentId, ct)
+                ?? throw new NotFoundException("Parent folder not found");
+            if (parent.ProjectId != doc.ProjectId)
+            {
+                throw new BadRequestException("Parent must belong to the same project");
+            }
+            if (parent.Type != DocumentType.Folder)
+            {
+                throw new BadRequestException("Parent must be a folder");
+            }
+
+            var cursor = parent.ParentId;
+            while (cursor is not null)
+            {
+                if (cursor == command.DocumentId)
+                {
+                    throw new BadRequestException("A folder cannot be moved into its own descendant");
+                }
+                cursor = await uow.Documents.GetParentIdAsync(cursor.Value, ct);
+            }
+        }
+
+        doc.ParentId = command.NewParentId;
+        doc.UpdatedAt = DateTime.UtcNow;
+        doc.UpdatedBy = command.UserId;
+        await uow.SaveChangesAsync(ct);
+    }
+}