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using System;
using System.Threading.Tasks;
using AutoMapper;
using DevHive.Data.Models;
using DevHive.Data.Repositories;
using DevHive.Services.Models.Post.Comment;
using DevHive.Services.Models.Post.Post;
namespace DevHive.Services.Services
{
public class PostService
{
private readonly PostRepository _postRepository;
private readonly IMapper _postMapper;
public PostService(PostRepository postRepository, IMapper postMapper)
{
this._postRepository = postRepository;
this._postMapper = postMapper;
}
//Create
public async Task<bool> CreatePost(CreatePostServiceModel postServiceModel)
{
Post post = this._postMapper.Map<Post>(postServiceModel);
return await this._postRepository.AddAsync(post);
}
public async Task<bool> AddComment(CreateCommentServiceModel commentServiceModel)
{
commentServiceModel.TimeCreated = DateTime.Now;
Comment comment = this._postMapper.Map<Comment>(commentServiceModel);
bool result = await this._postRepository.AddCommentAsync(comment);
return result;
}
//Read
public async Task<PostServiceModel> GetPostById(Guid id)
{
Post post = await this._postRepository.GetByIdAsync(id)
?? throw new ArgumentException("Post does not exist!");
return this._postMapper.Map<PostServiceModel>(post);
}
public async Task<CommentServiceModel> GetCommentById(Guid id)
{
Comment comment = await this._postRepository.GetCommentByIdAsync(id);
if(comment == null)
throw new ArgumentException("The comment does not exist");
return this._postMapper.Map<CommentServiceModel>(comment);
}
//Update
public async Task<bool> UpdatePost(UpdatePostServiceModel postServiceModel)
{
if (!await this._postRepository.DoesPostExist(postServiceModel.IssuerId))
throw new ArgumentException("Comment does not exist!");
Post post = this._postMapper.Map<Post>(postServiceModel);
return await this._postRepository.EditAsync(post);
}
public async Task<bool> UpdateComment(UpdateCommentServiceModel commentServiceModel)
{
if (!await this._postRepository.DoesCommentExist(commentServiceModel.Id))
throw new ArgumentException("Comment does not exist!");
Comment comment = this._postMapper.Map<Comment>(commentServiceModel);
bool result = await this._postRepository.EditCommentAsync(comment);
return result;
}
//Delete
public async Task<bool> DeletePost(Guid id)
{
Post post = await this._postRepository.GetByIdAsync(id);
return await this._postRepository.DeleteAsync(post);
}
public async Task<bool> DeleteComment(Guid id)
{
if (!await this._postRepository.DoesCommentExist(id))
throw new ArgumentException("Comment does not exist!");
Comment comment = await this._postRepository.GetCommentByIdAsync(id);
bool result = await this._postRepository.DeleteCommentAsync(comment);
return result;
}
}
}
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