School Commit Init

2024-08-31 12:07:21 +03:00
commit 0b130ee18c
2801 changed files with 4720552 additions and 0 deletions
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+using Lab9.Models;
+
+namespace Lab9.Repositories
+{
+    public interface IRepository
+    {
+        public IList<News> GetAllNews();
+        public IList<News> GetAllNewsByDate(DateTime date);
+        public IList<News> GetAllNewsByCategory(string category);
+        public IList<News> GetAllNewsByCategoryAndDate(string category, DateTime date);
+        public bool ValidateUser(string username, string password);
+        public bool InsertNews(News news);
+        public bool UpdateNews(News news);
+        public News? GetNewsById(int id);
+
+
+    }
+}
@@ -0,0 +1,74 @@
+using Lab9.Context;
+using Lab9.Models;
+
+namespace Lab9.Repositories
+{
+    public class Repository : IRepository
+    {
+        private readonly NewsContext _context;
+
+        public Repository(NewsContext context)
+        {
+            _context = context;
+        }
+
+        public IList<News> GetAllNews()
+        {
+            return _context.News.ToList();
+        }
+
+        public IList<News> GetAllNewsByCategory(string category)
+        {
+            return _context.News.Where(n => n.Category == category).ToList();
+        }
+
+        public IList<News> GetAllNewsByCategoryAndDate(string category, DateTime date)
+        {
+            return _context.News.Where(n => n.Category == category && n.Date == date).ToList();
+        }
+
+        public IList<News> GetAllNewsByDate(DateTime date)
+        {
+            return _context.News.Where(n => n.Date == date).ToList();
+        }
+
+        public News? GetNewsById(int id)
+        {
+            return _context.News.FirstOrDefault(n => n.Id == id);
+        }
+
+        public bool InsertNews(News news)
+        {
+            try
+            {
+                _context.News.Add(news);
+                _context.SaveChanges();
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+
+        }
+
+        public bool UpdateNews(News news)
+        {
+            try
+            {
+                _context.News.Update(news);
+                _context.SaveChanges();
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
+
+        public bool ValidateUser(string username, string password)
+        {
+            return _context.Users.Any(u => u.Username == username && u.Password == password);
+        }
+    }
+}