Implement generic repo pattern and unitofwork

GerbilManagerWebAPI/DAL/UnitOfWork.cs

@@ -0,0 +1,79 @@
+using GerbilManagerWebAPI.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace GerbilManagerWebAPI.DAL
+{
+    public class UnitOfWork : IDisposable
+    {
+        private ApplicationContext context;
+        private GenericRepository<Gerbil> gerbilRepository;
+        private GenericRepository<Litter> litterRepository;
+        private GenericRepository<Breeder> breederRepository;
+
+        public GenericRepository<Gerbil> GerbilRepository
+        {
+            get
+            {
+                if (this.gerbilRepository == null)
+                {
+                    this.gerbilRepository = new GenericRepository<Gerbil>(context);
+                }
+                return gerbilRepository;
+            }
+        }
+
+        public GenericRepository<Litter> LitterRepository
+        {
+            get
+            {
+                if (this.litterRepository == null)
+                {
+                    this.litterRepository = new GenericRepository<Litter>(context);
+                }
+                return litterRepository;
+            }
+        }
+
+        public GenericRepository<Breeder> BreederRepository
+        {
+            get
+            {
+                if (this.breederRepository == null)
+                {
+                    this.breederRepository = new GenericRepository<Breeder>(context);
+                }
+                return breederRepository;
+            }
+        }
+
+        public UnitOfWork(ApplicationContext context)
+        {
+            this.context = context;
+        }
+
+        public void Save()
+        {
+            context.SaveChanges();
+        }
+
+        private bool disposed = false;
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!this.disposed)
+            {
+                if (disposing)
+                {
+                    context.Dispose();
+                }
+            }
+            this.disposed = true;
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+    }
+}