Implemented Posts and merged Comment to Post

1 files changed, 98 insertions, 0 deletions

diff --git a/src/DevHive.Services/Services/PostService.cs b/src/DevHive.Services/Services/PostService.cs
new file mode 100644
index 0000000..0c0fd5c
--- /dev/null
+++ b/src/DevHive.Services/Services/PostService.cs
@@ -0,0 +1,98 @@
+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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