From d2bc08c0dcd6f0dc0822333bbb00c9fc851f49cb Mon Sep 17 00:00:00 2001
From: transtrike <transtrike@gmail.com>
Date: Tue, 26 Jan 2021 10:55:25 +0200
Subject: Brief testing of GetPost

---
 src/DevHive.Services/Services/FeedService.cs | 47 ++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/DevHive.Services/Services/FeedService.cs

(limited to 'src/DevHive.Services/Services/FeedService.cs')

diff --git a/src/DevHive.Services/Services/FeedService.cs b/src/DevHive.Services/Services/FeedService.cs
new file mode 100644
index 0000000..cae986f
--- /dev/null
+++ b/src/DevHive.Services/Services/FeedService.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using AutoMapper;
+using DevHive.Data.Interfaces.Repositories;
+using DevHive.Data.Models;
+using DevHive.Services.Interfaces;
+using DevHive.Services.Models;
+using DevHive.Services.Models.Post.Post;
+
+namespace DevHive.Services.Services
+{
+	public class FeedService : IFeedService
+	{
+		private readonly IMapper _mapper;
+		private readonly IFeedRepository _feedRepository;
+		private readonly IUserRepository _userRepository;
+
+		public FeedService(IFeedRepository feedRepository, IUserRepository userRepository, IMapper mapper)
+		{
+			this._feedRepository = feedRepository;
+			this._userRepository = userRepository;
+			this._mapper = mapper;
+		}
+
+		public async Task<ReadPageServiceModel> GetPage(GetPageServiceModel model)
+		{
+			User user = await this._userRepository.GetByIdAsync(model.UserId) ??
+				throw new ArgumentException("User doesn't exist!");
+
+			List<User> friendsList = user.Friends.ToList();
+			// if(friendsList.Count == 0)
+			// 	throw new ArgumentException("This user does not have any friends!");
+
+			List<Post> posts = await this._feedRepository
+				.GetFriendsPosts(friendsList, model.FirstRequestIssued, model.PageNumber, model.PageSize) ??
+					throw new ArgumentException("No posts to query.");
+
+			ReadPageServiceModel readPageServiceModel = new();
+			foreach (Post post in posts)
+				readPageServiceModel.Posts.Add(this._mapper.Map<ReadPostServiceModel>(post));
+
+			return readPageServiceModel;
+		}
+	}
+}
-- 
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