wip being able to soft delete a student

BrightGlimmer.Api/Controllers/StudentController.cs

@@ -46,5 +46,12 @@ namespace BrightGlimmer.Api.Controllers
             var student = await mediator.Send(command);
             return new JsonResult(student);
         }
+
+        [HttpDelete("{id}")]
+        public async Task<ActionResult> Delete(Guid id)
+        {
+            var success = await mediator.Send(new DeleteStudentCommand(id));
+            return new JsonResult(success);
+        }
     }
 }

BrightGlimmer.Data/BgContext.cs

@@ -3,6 +3,7 @@ using BrightGlimmer.Domain;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
+using System.Linq.Expressions;
 using System.Text;
 
 namespace BrightGlimmer.Data
@@ -28,6 +29,21 @@ namespace BrightGlimmer.Data
             });
             modelBuilder.Entity<AssignedCourse>()
                         .HasOne(x => x.Course);
+
+            // Make all entities soft deletables and filter by soft deleted on queries
+            foreach (var entityType in modelBuilder.Model.GetEntityTypes())
+            {
+                entityType.GetOrAddProperty("IsDeleted", typeof(bool));
+
+                var parameter = Expression.Parameter(entityType.ClrType);
+                var propertyMethodInfo = typeof(EF).GetMethod("Property").MakeGenericMethod(typeof(bool));
+                var isDeletedProperty = Expression.Call(propertyMethodInfo, parameter, Expression.Constant("IsDeleted"));
+
+                BinaryExpression compareExpression = Expression.MakeBinary(ExpressionType.Equal, isDeletedProperty, Expression.Constant(false));
+
+                var lambda = Expression.Lambda(compareExpression, parameter);
+                modelBuilder.Entity(entityType.ClrType).HasQueryFilter(lambda);
+            }
         }
 
         public DbSet<Student> Students { get; set; }

BrightGlimmer.Domain/Entity.cs

@@ -24,7 +24,7 @@ namespace BrightGlimmer.Domain
             ModifiedDate = DateTime.UtcNow;
         }
 
-        protected void Delete()
+        public void Delete()
         {
             IsDeleted = true;
         }

BrightGlimmer.Service/Commands/DeleteStudentCommand.cs

@@ -0,0 +1,17 @@
+using MediatR;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightGlimmer.Service.Commands
+{
+    public class DeleteStudentCommand : IRequest<bool>
+    {
+        public Guid Id { get; set; }
+
+        public DeleteStudentCommand(Guid id)
+        {
+            Id = id;
+        }
+    }
+}

BrightGlimmer.Service/Handlers/CommandHandlers/DeleteStudentCommandHandler.cs

@@ -0,0 +1,36 @@
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using BrightGlimmer.Service.Commands;
+using MediatR;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Service.Handlers.CommandHandlers
+{
+    public class DeleteStudentCommandHandler : IRequestHandler<DeleteStudentCommand, bool>
+    {
+        private readonly ICommandRepository<Student> repository;
+
+        public DeleteStudentCommandHandler(ICommandRepository<Student> repository)
+        {
+            this.repository = repository;
+        }
+
+        public async Task<bool> Handle(DeleteStudentCommand request, CancellationToken cancellationToken)
+        {
+            /* TODO: CHANGE TO SOFT DELETE */
+            var student = await repository.GetAsync(request.Id);
+
+            student.Address.Delete();
+            student.AssignedCourses.ToList().ForEach(x => x.Delete());
+            student.Phones.ToList().ForEach(x => x.Delete());
+
+            await repository.UnitOfWork.SaveChangesAsync();
+            return true;
+        }
+    }
+}