Refactoring - split data, logic and model layers; custom network exception

StudentHouseDashboard/Logic/AnnouncementManager.cs

@@ -0,0 +1,40 @@
+using Models;
+using Data;
+using System;
+using System.Collections.Generic;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Logic
+{
+    public class AnnouncementManager
+    {
+        private AnnouncementRepository announcementRepository;
+        public AnnouncementManager()
+        {
+            announcementRepository = new AnnouncementRepository();
+        }
+        public List<Announcement> GetAllAnnouncements()
+        {
+            return announcementRepository.GetAllAnnouncements();
+        }
+        public List<Announcement> GetAnnouncementsByPage(int? p, int? c)
+        {
+            return announcementRepository.GetAnnouncementsByPage(p, c);
+        }
+        public bool CreateAnnouncement(string title, string description, User author, DateTime publishDate, bool isImportant, bool isSticky)
+        {
+            return announcementRepository.CreateAnnouncement(title, description, author, publishDate, isImportant, isSticky);
+        }
+        public bool UpdateAnnouncement(int id, string title, string description, bool isImportant, bool isSticky)
+        {
+            return announcementRepository.UpdateAnnouncement(id, title, description, isImportant, isSticky);
+        }
+        public bool DeleteAnnouncement(int id)
+        {
+            return announcementRepository.DeleteAnnouncement(id);
+        }
+    }
+}

StudentHouseDashboard/Logic/CommentManager.cs

@@ -0,0 +1,40 @@
+using Models;
+using Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Logic
+{
+    public class CommentManager
+    {
+        private CommentRepository commentRepository;
+        public CommentManager()
+        {
+            commentRepository = new CommentRepository();
+        }
+        
+        public void CreateCommentToAnnouncement(User author, string description, string title, DateTime publishDate, int announcementId)
+        {
+            commentRepository.CreateCommentOnAnnouncement(author, description, title, publishDate, announcementId);
+        }
+        public void CreateResponseToComment(User author, string description, string title, DateTime publishDate, int commentId)
+        {
+            commentRepository.CreateResponseOnComment(author, description, title, publishDate, commentId);
+        }
+        public void UpdateComment(int id, string description)
+        {
+            commentRepository.UpdateComment(id, description);
+        }
+        public void DeleteCommentOnAnnouncement(int commentId, int announcementId)
+        {
+            commentRepository.DeleteCommentOnAnnouncement(commentId, announcementId);
+        }
+        public void DeleteResponseOnComment(int responseId, int commentId)
+        {
+            commentRepository.DeleteResponseOnComment(responseId, commentId);
+        }
+    }
+}

StudentHouseDashboard/Logic/Logic.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Data\Data.csproj" />
+    <ProjectReference Include="..\Models\Models.csproj" />
+  </ItemGroup>
+
+</Project>

StudentHouseDashboard/Logic/UserManager.cs

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+using BCrypt.Net;
+using Models;
+using Data;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Net.Http;
+using System.Security.Claims;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace Logic
+{
+    public class UserManager
+    {
+        private UserRepository userRepository;
+        public UserManager()
+        {
+            userRepository = new UserRepository();
+        }
+        public List<User> GetAllUsers()
+        {
+            return userRepository.GetAllUsers();
+        }
+        public User GetUserById(int id)
+        {
+            return userRepository.GetUserById(id);
+        }
+        public List<User> GetUsersByPage(int? p, int? c)
+        {
+            return userRepository.GetUsersByPage(p, c);
+        }
+        public User? AuthenticatedUser(string name, string password)
+        {
+            List<User> users = userRepository.GetAllUsers();
+            User user = users.Find(x => x.Name == name);
+            if (user == null)
+            {
+                return null;
+            }
+            else
+            {
+                if (BCrypt.Net.BCrypt.Verify(password, user.Password))
+                {
+                    return user;
+                }
+                else return null;
+            }
+        }
+        public bool CreateUser(string name, string password, UserRole role)
+        {
+            return userRepository.CreateUser(name, password, role);
+        }
+        public void UpdateUser(int id, string name, string password, UserRole role)
+        {
+            userRepository.UpdateUser(id, name, password, role);
+        }
+        public void DisableUser(int id)
+        {
+            userRepository.DisableUser(id);
+        }
+    }
+}