Adding coomment layers

1 files changed, 62 insertions, 0 deletions

diff --git a/src/DevHive.Services/Services/CommentService.cs b/src/DevHive.Services/Services/CommentService.cs
new file mode 100644
index 0000000..69dbcc0
--- /dev/null
+++ b/src/DevHive.Services/Services/CommentService.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Threading.Tasks;
+using AutoMapper;
+using DevHive.Data.Models;
+using DevHive.Data.Repositories;
+using DevHive.Services.Models.Comment;
+
+namespace DevHive.Services.Services
+{
+	public class CommentService
+	{
+		private readonly CommentRepository _commentRepository;
+		private readonly IMapper _commentMapper;
+
+		public CommentService(CommentRepository commentRepository, IMapper mapper)
+		{
+			this._commentRepository = commentRepository;
+			this._commentMapper = mapper;
+		}
+
+		public async Task<bool> CreateComment(CommentServiceModel commentServiceModel)
+		{
+			Comment comment = this._commentMapper.Map<Comment>(commentServiceModel);
+			comment.Date = DateTime.Now;
+			bool result = await this._commentRepository.AddAsync(comment);
+
+			return result;
+		}
+	
+		public async Task<GetByIdCommentServiceModel> GetCommentById(Guid id)
+		{
+			Comment comment = await this._commentRepository.GetByIdAsync(id);
+
+			if(comment == null)
+				throw new ArgumentException("The comment does not exist");
+
+			return this._commentMapper.Map<GetByIdCommentServiceModel>(comment);
+		}
+
+		public async Task<bool> UpdateComment(UpdateCommentServiceModel commentServiceModel)
+		{
+			if (!await this._commentRepository.DoesCommentExist(commentServiceModel.Id))
+				throw new ArgumentException("Comment does not exist!");
+
+			Comment comment = this._commentMapper.Map<Comment>(commentServiceModel);
+			bool result = await this._commentRepository.EditAsync(comment);
+
+			return result;
+		}
+	
+		public async Task<bool> DeleteComment(Guid id)
+		{
+			if (!await this._commentRepository.DoesCommentExist(id))
+				throw new ArgumentException("Comment does not exist!");
+
+			Comment comment = await this._commentRepository.GetByIdAsync(id);
+			bool result = await this._commentRepository.DeleteAsync(comment);
+
+			return result;
+		}
+	}
+}
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