WIP setting up new data project structure and event handlers

BrightGlimmer.Api/Controllers/StudentController.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
-using BrightGlimmer.Data.Repositories; /* REMOVE LATER */
 using MediatR;
 using Microsoft.AspNetCore.Mvc;
 
@@ -12,18 +11,17 @@ namespace BrightGlimmer.Api.Controllers
     [ApiController]
     public class StudentController : ControllerBase
     {
-        // private readonly IMediator mediator;
+        private readonly IMediator mediator;
-        private readonly StudentRepository studentRepository;
 
-        public StudentController(StudentRepository studentRepository)
+        public StudentController(IMediator mediator)
         {
-            this.studentRepository = studentRepository;
+            this.mediator = mediator;
         }
 
         [HttpGet]
         public IActionResult GetAll()
         {
-            var customers = studentRepository.GetAll();
+            var customers = mediator.GetAll();
             if (customers == null)
             {
                 return NotFound();
@@ -32,28 +30,28 @@ namespace BrightGlimmer.Api.Controllers
             return new ObjectResult(customers);
         }
 
-        [HttpGet("createstudent")]
+        //[HttpGet("createstudent")]
-        public IActionResult CreateStudent()
+        //public IActionResult CreateStudent()
-        {
+        //{
-            var created = studentRepository.Create(new Data.Domain.Student
+        //    var created = studentRepository.Create(new Data.Domain.Student
-            {
+        //    {
-                Id = Guid.NewGuid(),
+        //        Id = Guid.NewGuid(),
-                FirstName = "Giovani",
+        //        FirstName = "Giovani",
-                LastName = "Rodriguez",
+        //        LastName = "Rodriguez",
-                Email = "giovaniluisrodriguez@gmail.com",
+        //        Email = "giovaniluisrodriguez@gmail.com",
-                Phones = new List<Data.Domain.Phone>
+        //        Phones = new List<Data.Domain.Phone>
-                {
+        //        {
-                    new Data.Domain.Phone
+        //            new Data.Domain.Phone
-                    {
+        //            {
-                        Id = Guid.NewGuid(),
+        //                Id = Guid.NewGuid(),
-                        AreaCode = 305,
+        //                AreaCode = 305,
-                        Number = 8888888,
+        //                Number = 8888888,
-                        Type = Data.Domain.PhoneType.HOMEPHONE
+        //                Type = Data.Domain.PhoneType.HOMEPHONE
-                    }
+        //            }
-                }
+        //        }
-            });
+        //    });
 
-            return new ObjectResult(created);
+        //    return new ObjectResult(created);
-        }
+        //}
     }
 }

BrightGlimmer.Api/Startup.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using BrightGlimmer.Data;
+using BrightGlimmer.Data.Interfaces;
 using BrightGlimmer.Data.Repositories; /* REMOVE LATER */
 using MediatR;
 using Microsoft.AspNetCore.Builder;
@@ -31,10 +32,10 @@ namespace BrightGlimmer.Api
         {
             services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
             services.AddMediatR();
-            services.AddMediatR(typeof(Cqrs.Cqrs).Assembly); // Registers handlers in Cqrs project
+            services.AddMediatR(typeof(Cqrs.Cqrs).Assembly); // Registers handlers in services project
-            services.AddScoped<StudentRepository, StudentRepository>(); /* REMOVE LATER */
+            services.AddScoped(typeof(IRepository<>)); /* FIGURE OUT LATER */
-            services.AddDbContext<SqliteContext>(options => options.UseSqlite(Configuration.GetConnectionString("DefaultConnection")));
+            services.AddDbContext<BgContext>(options => options.UseSqlite(Configuration.GetConnectionString("DefaultConnection")));
-            services.AddTransient<SqliteContext>();
+            services.AddTransient<BgContext>();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -55,7 +56,7 @@ namespace BrightGlimmer.Api
             // Makes sure that the database is in fact created
             using (var serviceScope = app.ApplicationServices.GetService<IServiceScopeFactory>().CreateScope())
             {
-                var context = serviceScope.ServiceProvider.GetRequiredService<SqliteContext>();
+                var context = serviceScope.ServiceProvider.GetRequiredService<BgContext>();
                 context.Database.EnsureCreated();
             }
         }

BrightGlimmer.CQRS/Handlers/QueryHandlers/GetAllStudentsQueryHandler.cs

@@ -0,0 +1,29 @@
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using BrightGlimmer.Services.Queries;
+using MediatR;
+using Microsoft.EntityFrameworkCore; /* TODO */
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Services.Handlers.QueryHandlers
+{
+    public class GetAllStudentsQueryHandler : IRequestHandler<GetAllStudentsQuery, IEnumerable<Student>>
+    {
+        private readonly IRepository<Student> repository;
+
+        public GetAllStudentsQueryHandler(IRepository<Student> repository)
+        {
+            this.repository = repository;
+        }
+
+        public async Task<IEnumerable<Student>> Handle(GetAllStudentsQuery request, CancellationToken cancellationToken)
+        {
+            return await repository.Get().ToListAsync();
+        }
+    }
+}

BrightGlimmer.CQRS/Queries/GetAllStudentsQuery.cs

@@ -0,0 +1,12 @@
+using BrightGlimmer.Domain;
+using MediatR;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightGlimmer.Services.Queries
+{
+    public class GetAllStudentsQuery : IRequest<IEnumerable<Student>>
+    {
+    }
+}

BrightGlimmer.Data/BgContext.cs

@@ -1,4 +1,6 @@
 using BrightGlimmer.Data.Domain;
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
@@ -6,9 +8,9 @@ using System.Text;
 
 namespace BrightGlimmer.Data
 {
-    public class SqliteContext : DbContext
+    public class BgContext : DbContext, IUnitOfWork
     {
-        public SqliteContext(DbContextOptions<SqliteContext> options)
+        public BgContext(DbContextOptions<BgContext> options)
             : base(options)
         {
         }

BrightGlimmer.Data/BrightGlimmer.Data.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="Interfaces\" />
+    <ProjectReference Include="..\BrightGlimmer.Domain\BrightGlimmer.Domain.csproj" />
   </ItemGroup>
 
 </Project>

BrightGlimmer.Data/Interfaces/IRepository.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BrightGlimmer.Data.Interfaces
+{
+    public interface IRepository<T>
+    {
+        IUnitOfWork UnitOfWork { get; }
+
+        T Create(T entity);
+
+        T Update(T entity);
+
+        void Remove(Guid id);
+
+        IQueryable<T> Get();
+
+        T Get(Guid id);
+    }
+}

BrightGlimmer.Data/Interfaces/IUnitOfWork.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Data.Interfaces
+{
+    public interface IUnitOfWork 
+    {
+        Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
+    }
+}

BrightGlimmer.Data/Migrations/SqliteDatabaseContextModelSnapshot.cs

@@ -7,7 +7,7 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
 namespace BrightGlimmer.Data.Migrations
 {
-    [DbContext(typeof(SqliteContext))]
+    [DbContext(typeof(BgContext))]
     partial class SqliteDatabaseContextModelSnapshot : ModelSnapshot
     {
         protected override void BuildModel(ModelBuilder modelBuilder)

BrightGlimmer.Data/Repositories/Repository.cs

@@ -0,0 +1,47 @@
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BrightGlimmer.Data.Repositories
+{
+    public abstract class Repository<T> : IRepository<T> where T : Entity
+    {
+        public IUnitOfWork UnitOfWork => context;
+
+        protected BgContext context;
+
+        public Repository(BgContext context)
+        {
+            this.context = context;
+        }
+
+        public virtual T Create(T entity)
+        {
+            return context.Set<T>().Add(entity).Entity;
+        }
+
+        public virtual T Update(T entity)
+        {
+            return context.Set<T>().Update(entity).Entity;
+        }
+
+        public virtual void Remove(Guid id)
+        {
+            context.Set<T>().Remove(Get(id));
+        }
+
+        public virtual IQueryable<T> Get()
+        {
+            return context.Set<T>();
+        }
+
+        public virtual T Get(Guid id)
+        {
+            return context.Set<T>().Find(id);
+        }
+    }
+}

BrightGlimmer.Data/Repositories/StudentRepository.cs

@@ -1,4 +1,5 @@
-using BrightGlimmer.Data.Domain;
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
 using Microsoft.EntityFrameworkCore.ChangeTracking;
 using System;
 using System.Collections.Generic;
@@ -7,42 +8,8 @@ using System.Text;
 
 namespace BrightGlimmer.Data.Repositories
 {
-    public class StudentRepository
+    public class StudentRepository : Repository<Student>
     {
-        private readonly SqliteContext context;
+        public StudentRepository(BgContext context) : base(context) { }
-
-
-        public StudentRepository(SqliteContext context)
-        {
-            this.context = context;
-        }
-
-        public Student Create(Student student)
-        {
-            EntityEntry<Student> entry = context.Students.Add(student);
-            context.SaveChanges();
-            return entry.Entity;
-        }
-
-        public void Update(Student student)
-        {
-            context.SaveChanges();
-        }
-
-        public void Remove(Guid id)
-        {
-            context.Students.Remove(GetById(id));
-            context.SaveChanges();
-        }
-
-        public IQueryable<Student> GetAll()
-        {
-            return context.Students;
-        }
-
-        public Student GetById(Guid id)
-        {
-            return context.Students.Find(id);
-        }
     }
 }

BrightGlimmer.Domain/BrightGlimmer.Domain.csproj

@@ -0,0 +1,7 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

BrightGlimmer.Domain/Course.cs

@@ -2,14 +2,12 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace BrightGlimmer.Data.Domain
+namespace BrightGlimmer.Domain
 {
-    public class Course
+    public class Course : Entity
     {
-        public Guid Id { get; set; }
         public string Name { get; set; }
         public string Description { get; set; }
         public string Code { get; set; }
-
     }
 }

BrightGlimmer.Domain/Entity.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightGlimmer.Domain
+{
+    public class Entity
+    {
+        public Guid Id { get; set; }
+    }
+}

BrightGlimmer.Domain/Phone.cs

@@ -2,11 +2,10 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace BrightGlimmer.Data.Domain
+namespace BrightGlimmer.Domain
 {
-    public class Phone
+    public class Phone : Entity
     {
-        public Guid Id { get; set; }
         public PhoneType Type { get; set; }
         public int AreaCode { get; set; }
         public int Number { get; set; }

BrightGlimmer.Domain/PhoneType.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace BrightGlimmer.Data.Domain
+namespace BrightGlimmer.Domain
 {
     public enum PhoneType
     {

BrightGlimmer.Domain/Student.cs

@@ -2,11 +2,10 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace BrightGlimmer.Data.Domain
+namespace BrightGlimmer.Domain
 {
-    public class Student
+    public class Student : Entity
     {
-        public Guid Id { get; set; }
         public string FirstName { get; set; }
         public string MiddleName { get; set; }
         public string LastName { get; set; }

BrightGlimmer.sln

@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BrightGlimmer.Data", "Brigh
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BrightGlimmer.Services", "BrightGlimmer.CQRS\BrightGlimmer.Services.csproj", "{AA6A646D-C493-43DC-BBE4-FF253852D9BF}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BrightGlimmer.Domain", "BrightGlimmer.Domain\BrightGlimmer.Domain.csproj", "{4E234F19-13EF-49A3-B8EB-FF7C9D2BF75F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{AA6A646D-C493-43DC-BBE4-FF253852D9BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AA6A646D-C493-43DC-BBE4-FF253852D9BF}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AA6A646D-C493-43DC-BBE4-FF253852D9BF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4E234F19-13EF-49A3-B8EB-FF7C9D2BF75F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4E234F19-13EF-49A3-B8EB-FF7C9D2BF75F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4E234F19-13EF-49A3-B8EB-FF7C9D2BF75F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4E234F19-13EF-49A3-B8EB-FF7C9D2BF75F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE