add a new Visual Studio Project Template

Oqtane.Application/Server/Repository/Context.cs

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+using Microsoft.EntityFrameworkCore;
+using Oqtane.Modules;
+using Oqtane.Repository;
+using Oqtane.Repository.Databases.Interfaces;
+
+namespace Oqtane.Application.Repository
+{
+    public class Context : DBContextBase, ITransientService, IMultiDatabase
+    {
+        public virtual DbSet<Models.MyModule> MyModule { get; set; }
+
+        public Context(IDBContextDependencies DBContextDependencies) : base(DBContextDependencies)
+        {
+            // ContextBase handles multi-tenant database connections
+        }
+
+        protected override void OnModelCreating(ModelBuilder builder)
+        {
+            base.OnModelCreating(builder);
+
+            builder.Entity<Models.MyModule>().ToTable(ActiveDatabase.RewriteName("MyModule"));
+        }
+    }
+}

Oqtane.Application/Server/Repository/MyModuleRepository.cs

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+using Microsoft.EntityFrameworkCore;
+using System.Linq;
+using System.Collections.Generic;
+using Oqtane.Modules;
+
+namespace Oqtane.Application.Repository
+{
+    public interface IMyModuleRepository
+    {
+        IEnumerable<Models.MyModule> GetMyModules(int ModuleId);
+        Models.MyModule GetMyModule(int MyModuleId);
+        Models.MyModule GetMyModule(int MyModuleId, bool tracking);
+        Models.MyModule AddMyModule(Models.MyModule MyModule);
+        Models.MyModule UpdateMyModule(Models.MyModule MyModule);
+        void DeleteMyModule(int MyModuleId);
+    }
+
+    public class MyModuleRepository : IMyModuleRepository, ITransientService
+    {
+        private readonly IDbContextFactory<Context> _factory;
+
+        public MyModuleRepository(IDbContextFactory<Context> factory)
+        {
+            _factory = factory;
+        }
+
+        public IEnumerable<Models.MyModule> GetMyModules(int ModuleId)
+        {
+            using var db = _factory.CreateDbContext();
+            return db.MyModule.Where(item => item.ModuleId == ModuleId).ToList();
+        }
+
+        public Models.MyModule GetMyModule(int MyModuleId)
+        {
+            return GetMyModule(MyModuleId, true);
+        }
+
+        public Models.MyModule GetMyModule(int MyModuleId, bool tracking)
+        {
+            using var db = _factory.CreateDbContext();
+            if (tracking)
+            {
+                return db.MyModule.Find(MyModuleId);
+            }
+            else
+            {
+                return db.MyModule.AsNoTracking().FirstOrDefault(item => item.MyModuleId == MyModuleId);
+            }
+        }
+
+        public Models.MyModule AddMyModule(Models.MyModule MyModule)
+        {
+            using var db = _factory.CreateDbContext();
+            db.MyModule.Add(MyModule);
+            db.SaveChanges();
+            return MyModule;
+        }
+
+        public Models.MyModule UpdateMyModule(Models.MyModule MyModule)
+        {
+            using var db = _factory.CreateDbContext();
+            db.Entry(MyModule).State = EntityState.Modified;
+            db.SaveChanges();
+            return MyModule;
+        }
+
+        public void DeleteMyModule(int MyModuleId)
+        {
+            using var db = _factory.CreateDbContext();
+            Models.MyModule MyModule = db.MyModule.Find(MyModuleId);
+            db.MyModule.Remove(MyModule);
+            db.SaveChanges();
+        }
+    }
+}