Feat/update folder

src/Application/Folders/Commands/UpdateFolder.cs

@@ -1,15 +1,85 @@
+using Application.Common.Exceptions;
+using Application.Common.Interfaces;
 using Application.Common.Models.Dtos.Physical;
+using AutoMapper;
+using FluentValidation;
 using MediatR;
+using Microsoft.EntityFrameworkCore;
 
 namespace Application.Folders.Commands;
 
 public class UpdateFolder
 {
+ public class Validator : AbstractValidator<Command>
+ {
+ public Validator()
+ {
+ RuleLevelCascadeMode = CascadeMode.Stop;
+
+ RuleFor(f => f.Name)
+ .NotEmpty().WithMessage("Name is required.")
+ .MaximumLength(64).WithMessage("Name cannot exceed 64 characters.");
+
+ RuleFor(f => f.Description)
+ .MaximumLength(256).WithMessage("Description cannot exceed 256 characters.");
+
+ RuleFor(f => f.Capacity)
+ .NotEmpty().WithMessage("Folder capacity is required.")
+ .GreaterThanOrEqualTo(1).WithMessage("Folder's capacity cannot be less than 1.");
+ }
+ }
+
  public record Command : IRequest<FolderDto>
  {
  public Guid FolderId { get; init; }
  public string Name { get; init; } = null!;
  public string? Description { get; init; }
  public int Capacity { get; init; }
  }
+
+ public class CommandHandler : IRequestHandler<Command, FolderDto>
+ {
+ private readonly IApplicationDbContext _context;
+ private readonly IMapper _mapper;
+
+ public CommandHandler(IApplicationDbContext context, IMapper mapper)
+ {
+ _context = context;
+ _mapper = mapper;
+ }
+
+ public async Task<FolderDto> Handle(Command request, CancellationToken cancellationToken)
+ {
+ var folder = await _context.Folders
+ .FirstOrDefaultAsync(x => x.Id.Equals(request.FolderId), cancellationToken);
+
+ if (folder is null)
+ {
+ throw new KeyNotFoundException("Folder does not exist.");
+ }
+
+ var nameExisted = await _context.Folders.AnyAsync( x => 
+ x.Name.Trim().ToLower().Equals(request.Name.Trim().ToLower()) 
+ && x.Id != folder.Id
+ , cancellationToken);
+
+ if (nameExisted)
+ {
+ throw new ConflictException("Folder name already exists.");
+ }
+
+ if (request.Capacity < folder.NumberOfDocuments)
+ {
+ throw new ConflictException("New capacity cannot be less than current number of documents.");
+ }
+
+ folder.Name = request.Name;
+ folder.Description = request.Description;
+ folder.Capacity = request.Capacity;
+
+ var result = _context.Folders.Update(folder);
+ await _context.SaveChangesAsync(cancellationToken);
+ return _mapper.Map<FolderDto>(result.Entity);
+ }
+ }
 }

tests/Application.Tests.Integration/Folders/Commands/UpdateFolderTests.cs

@@ -0,0 +1,138 @@
+using Application.Common.Exceptions;
+using Application.Folders.Commands;
+using Domain.Entities;
+using FluentAssertions;
+using Xunit;
+
+namespace Application.Tests.Integration.Folders.Commands;
+
+public class UpdateFolderTests : BaseClassFixture
+{
+ public UpdateFolderTests(CustomApiFactory apiFactory) : base(apiFactory)
+ {
+ }
+
+ [Fact]
+ public async Task ShouldUpdateFolder_WhenUpdateDetailsAreValid()
+ {
+ // Arrange
+ var department = CreateDepartment();
+ var folder = CreateFolder();
+ var locker = CreateLocker(folder);
+ var room = CreateRoom(department, locker);
+ await AddAsync(room);
+
+ var command = new UpdateFolder.Command()
+ {
+ FolderId = folder.Id,
+ Name = "Something else",
+ Capacity = 6,
+ Description = "ehehe",
+ };
+
+ // Act
+ var result = await SendAsync(command);
+
+ // Assert
+ result.Id.Should().Be(folder.Id);
+ result.Name.Should().Be(command.Name);
+ result.Capacity.Should().Be(command.Capacity);
+ result.Description.Should().Be(command.Description);
+
+ // Cleanup
+ Remove(folder);
+ Remove(locker);
+ Remove(room);
+ Remove(await FindAsync<Department>(department.Id));
+ }
+
+ [Fact]
+ public async Task ShouldThrowKeyNotFoundException_WhenThatFolderDoesNotExist()
+ {
+ // Arrange
+ var command = new UpdateFolder.Command()
+ {
+ FolderId = Guid.NewGuid(),
+ Name = "Something else",
+ Capacity = 6,
+ Description = "ehehe",
+ };
+
+ // Act
+ var result = async () => await SendAsync(command);
+
+ // Assert
+ await result.Should().ThrowAsync<KeyNotFoundException>()
+ .WithMessage("Folder does not exist.");
+ }
+
+ [Fact]
+ public async Task ShouldThrowConflictException_WhenNewFolderNameHasAlreadyExistedInThatLocker()
+ {
+ // Arrange
+ var department = CreateDepartment();
+ var duplicateNameFolder = CreateFolder();
+ var folder = CreateFolder();
+ var locker = CreateLocker(duplicateNameFolder, folder);
+ var room = CreateRoom(department, locker);
+ await AddAsync(room);
+
+ var command = new UpdateFolder.Command()
+ {
+ FolderId = folder.Id,
+ Name = duplicateNameFolder.Name,
+ Capacity = 6,
+ Description = "ehehe",
+ };
+
+ // Act
+ var result = async () => await SendAsync(command);
+
+ // Assert
+ await result.Should().ThrowAsync<ConflictException>()
+ .WithMessage("Folder name already exists.");
+
+ // Cleanup
+ Remove(folder);
+ Remove(duplicateNameFolder);
+ Remove(locker);
+ Remove(room);
+ Remove(await FindAsync<Department>(department.Id));
+ }
+
+ [Fact]
+ public async Task ShouldThrowConflictException_WhenNewCapacityIsLessThanCurrentNumberOfDocuments()
+ {
+ // Arrange
+ var department = CreateDepartment();
+ var documents = CreateNDocuments(2);
+ var folder = CreateFolder(documents);
+ folder.Capacity = 3;
+ var locker = CreateLocker(folder);
+ var room = CreateRoom(department, locker);
+ await AddAsync(room);
+
+ var command = new UpdateFolder.Command()
+ {
+ FolderId = folder.Id,
+ Name = "Something else",
+ Capacity = 1,
+ Description = "ehehe",
+ };
+
+ // Act
+ var result = async () => await SendAsync(command);
+
+ // Assert
+ await result.Should().ThrowAsync<ConflictException>()
+ .WithMessage("New capacity cannot be less than current number of documents.");
+
+ // Cleanup
+ Remove(documents[0]);
+ Remove(documents[1]);
+ Remove(folder);
+ Remove(locker);
+ Remove(room);
+ Remove(await FindAsync<Department>(department.Id));
+ }
+}