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Ajout des commentaires dans Domain/Application/Infrastructure

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This commit is contained in:
YuukanOO 2021-04-27 10:40:33 +02:00
parent 18473a0174
commit 274e309a81
12 changed files with 167 additions and 25 deletions
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12
Application/CommentDTO.cs Normal file
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@ -0,0 +1,12 @@
using System;
namespace Application
{
public class CommentDTO
{
public Guid Id { get; set; }
public string Content { get; set; }
public int UpvotesCount { get; set; }
public int DownvotesCount { get; set; }
}
}

43
Application/CommentService.cs Normal file
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@ -0,0 +1,43 @@
using System;
using System.Linq;
using Domain;
namespace Application
{
public class CommentService
{
private readonly ILinkRepository _linkRepository;
private readonly ICommentRepository _commentRepository;
private readonly IData _data;
public CommentService(ILinkRepository linkRepository, ICommentRepository commentRepository, IData data)
{
_linkRepository = linkRepository;
_commentRepository = commentRepository;
_data = data;
}
public void PublishComment(PublishCommentCommand cmd)
{
var link = _linkRepository.GetById(cmd.LinkId);
var comment = link.AddComment(cmd.Content);
_commentRepository.Add(comment);
}
public CommentDTO[] GetAllLinkComments(Guid linkId)
{
return _data.Comments
.OrderByDescending(comment => comment.CreatedAt)
.Where(comment => comment.LinkId == linkId)
.Select(comment => new CommentDTO
{
Id = comment.Id,
Content = comment.Content,
UpvotesCount = 0,
DownvotesCount = 0,
})
.ToArray();
}
}
}

1
Application/IData.cs
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@ -9,5 +9,6 @@ namespace Application
public interface IData
{
IQueryable<Link> Links { get; }
IQueryable<Comment> Comments { get; }
}
}

48
Application/LinkService.cs
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@ -38,18 +38,6 @@ namespace Application
/// <returns></returns>
public LinkDTO[] GetAllLinks()
{
// return (from link in _data.Links
// orderby link.CreatedAt descending
// select new LinkDTO
// {
// Id = link.Id,
// Url = link.Url,
// CreatedAt = link.CreatedAt,
// UpvotesCount = 2,
// DownvotesCount = 4,
// CommentsCount = 54,
// }).ToArray();
return LinksDTO().ToArray();
}
@ -60,18 +48,30 @@ namespace Application
private IQueryable<LinkDTO> LinksDTO()
{
return _data.Links
.Select(link => new LinkDTO
{
Id = link.Id,
Url = link.Url,
CreatedAt = link.CreatedAt,
UpvotesCount = 2,
DownvotesCount = 4,
CommentsCount = 54,
})
// .Where(linkDto => linkDto.UpvotesCount > 5)
.OrderByDescending(linkDto => linkDto.CreatedAt);
return (from link in _data.Links
join comment in _data.Comments on link.Id equals comment.LinkId into comments
orderby link.CreatedAt descending
select new LinkDTO
{
Id = link.Id,
Url = link.Url,
CreatedAt = link.CreatedAt,
UpvotesCount = 2,
DownvotesCount = 4,
CommentsCount = comments.Count(),
});
// return _data.Links
// .Select(link => new LinkDTO
// {
// Id = link.Id,
// Url = link.Url,
// CreatedAt = link.CreatedAt,
// UpvotesCount = 2,
// DownvotesCount = 4,
// CommentsCount = _data.Comments.Count(comment => comment.LinkId == link.Id),
// })
// .OrderByDescending(linkDto => linkDto.CreatedAt);
}
}
}

14
Application/PublishCommentCommand.cs Normal file
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@ -0,0 +1,14 @@
using System;
using System.ComponentModel.DataAnnotations;
namespace Application
{
public class PublishCommentCommand
{
[Required]
public Guid LinkId { get; set; }
[Required]
public string Content { get; set; }
}
}

20
Domain/Comment.cs Normal file
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@ -0,0 +1,20 @@
using System;
namespace Domain
{
public class Comment
{
public Guid Id { get; }
public Guid LinkId { get; }
public string Content { get; }
public DateTime CreatedAt { get; }
internal Comment(Guid linkId, string content)
{
Id = Guid.NewGuid();
LinkId = linkId;
Content = content;
CreatedAt = DateTime.UtcNow;
}
}
}

7
Domain/ICommentRepository.cs Normal file
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@ -0,0 +1,7 @@
namespace Domain
{
public interface ICommentRepository
{
void Add(Comment comment);
}
}

3
Domain/ILinkRepository.cs
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@ -1,7 +1,10 @@
using System;
namespace Domain
{
public interface ILinkRepository
{
void Add(Link link);
Link GetById(Guid id);
}
}

11
Domain/Link.cs
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@ -17,5 +17,16 @@ namespace Domain
CreatedAt = DateTime.UtcNow;
Url = url;
}
/// <summary>
/// Crée un commentaire pour ce lien. Permet de valider l'existence du lien et
/// potentiellement des règles métier de création plus complexes.
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public Comment AddComment(string content)
{
return new Comment(this.Id, content);
}
}
}

21
Infrastructure/Repositories/Memory/CommentRepository.cs Normal file
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@ -0,0 +1,21 @@
using System.Collections.Generic;
using System.Linq;
using Domain;
namespace Infrastructure.Repositories.Memory
{
public class CommentRepository : ICommentRepository
{
public List<Comment> Comments { get; }
public CommentRepository(params Comment[] comments)
{
Comments = comments.ToList();
}
public void Add(Comment comment)
{
Comments.Add(comment);
}
}
}

6
Infrastructure/Repositories/Memory/Data.cs
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@ -7,12 +7,16 @@ namespace Infrastructure.Repositories.Memory
public class Data : IData
{
private readonly LinkRepository _linkRepository;
private readonly CommentRepository _commentRepository;
public IQueryable<Link> Links => _linkRepository.Links.AsQueryable();
public Data(LinkRepository linkRepository)
public IQueryable<Comment> Comments => _commentRepository.Comments.AsQueryable();
public Data(LinkRepository linkRepository, CommentRepository commentRepository)
{
_linkRepository = linkRepository;
_commentRepository = commentRepository;
}
}
}

6
Infrastructure/Repositories/Memory/LinkRepository.cs
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@ -1,3 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Domain;
@ -17,5 +18,10 @@ namespace Infrastructure.Repositories.Memory
{
Links.Add(link);
}
public Link GetById(Guid id)
{
return Links.Single(link => link.Id == id);
}
}
}