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);
+        }
+    }
+}