Interfaces

DAL/Repositories/EFRepository.cs

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+using Interfaces;
+using System;
+using System.CodeDom;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DAL.Repositories
+{
+    public class EFRepository<TEntity> : IRespository<TEntity>
+        where TEntity : class
+    {
+        protected DbContext RepositoryDbContext;
+        protected DbSet<TEntity> RepositoryDbSet;
+
+        public EFRepository(DbContext dbContext)
+        {
+            if (dbContext == null)
+            {
+                throw new ArgumentNullException(nameof(dbContext));
+            }
+            RepositoryDbContext = dbContext;
+            RepositoryDbSet = dbContext.Set<TEntity>();
+            if (RepositoryDbSet == null)
+            {
+                throw new NullReferenceException(nameof(RepositoryDbSet));
+            }
+        }
+
+        public List<TEntity> All
+        {
+            get
+            {
+                var resCount = RepositoryDbSet.Count();
+                if (resCount < 10)
+                {
+                    return RepositoryDbSet.ToList();
+                } 
+                throw new Exception("To many records in result set. Custom data access method needed");
+            }
+        }
+        public TEntity Find(int id)
+        {
+            RepositoryDbSet.Find(id);
+        }
+
+        public void Remove(int id)
+        {
+            Remove(Find(id));
+        }
+
+        public void Remove(TEntity entity)
+        {
+            RepositoryDbSet.Remove(entity);
+        }
+
+        public TEntity Add(TEntity entity)
+        {
+            return RepositoryDbSet.Add(entity);
+        }
+
+        public void Update(TEntity entity)
+        {
+            RepositoryDbSet.Attach(entity);
+        }
+
+        public int SaveChanges()
+        {
+            return RepositoryDbContext.SaveChanges();
+        }
+    }
+}

DAL/Repositories/PersonRepository.cs

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+using System.Data.Entity;
+using Domain;
+using Interfaces;
+
+namespace DAL.Repositories
+{
+    public class PersonRepository : EFRepository<Person>, IPersonRepository
+    {
+        public PersonRepository(DbContext dbContext) : base(dbContext)
+        {
+            
+        }
+    }
+}