public async Task UpgradeMembership(Guid id)
{
var entity = await GenericEntityFactory <Membership> .GetEntityAsync(_simpleEventStoreDbContext, id.ToString());
entity.UpgradeMembership();
await _simpleEventStoreDbContext.SavePendingEventsAsync(entity.PendingEvents, 1, "Sample");
await _eventBusService.Publish(entity.PendingEvents);
}
public async Task PointsEarned(Guid id, double points, MembershipPointsType type)
{
var entity = await GenericEntityFactory <Membership> .GetEntityAsync(_simpleEventStoreDbContext, id.ToString());
entity.PointsEarned(points, type);
await _simpleEventStoreDbContext.SavePendingEventsAsync(entity.PendingEvents, 1, "Sample");
await _eventBusService.Publish(entity.PendingEvents);
}
public async Task <bool> ChangeCustomerNameAsync(Guid customerId, string firstName, string lastName)
{
var customer = await GenericEntityFactory <Customer> .GetEntityAsync(_eventStoreDbContext, customerId.ToString());
customer.ChangeName(firstName, lastName);
await _eventStoreDbContext.SavePendingEventsAsync(customer.PendingEvents, 1, "Sample");
await _eventBusService.Publish(customer.PendingEvents);
return(true);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseHttpsRedirection();
app.UseRouting();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
});
// NOTE: this must go at the end of Configure
// ensure db is created
var serviceScopeFactory = app.ApplicationServices.GetRequiredService <IServiceScopeFactory>();
using (var serviceScope = serviceScopeFactory.CreateScope())
{
var eventStoreDbContext = serviceScope.ServiceProvider.GetService <SimpleEventStoreDbContext>();
eventStoreDbContext.Database.EnsureCreated();
// readonly initialization hack for sample purpose
var readModelDbContext = serviceScope.ServiceProvider.GetService <ReadModelDbContext>();
readModelDbContext.Database.EnsureCreated();
var customerFactory = new GenericEntityFactory <Customer>(eventStoreDbContext);
var customerEntities = customerFactory.GetAllEntitiesAsync().Result;
var customerReadModels = customerEntities.Select(c =>
{
var readModel = new CustomerReadModel();
readModel.FromAggregate(c);
return(readModel);
});
readModelDbContext.Customers.AddRange(customerReadModels);
// As aggregate membership is a readmodel, we initialize it like this.
var aggregateMembershipFactory = new GenericEntityFactory <Core.Membership>(eventStoreDbContext);
var aggregateMembershipEntities = aggregateMembershipFactory.GetAllEntitiesAsync().Result;
var aggregateMembershipReadModels = aggregateMembershipEntities.Select(am =>
{
var model = new MembershipReadModel();
model.FromAggregate(am);
return(model);
});
readModelDbContext.Memberships.AddRange(aggregateMembershipReadModels);
readModelDbContext.SaveChanges();
// reporting initialization
//// readonly initialization hack for sample purpose
//var reportingDbContext = serviceScope.ServiceProvider.GetService<ReportingReadModelDbContext>();
//reportingDbContext.Database.EnsureCreated();
//var reportingModelEventHandlers = new MembershipPointsReportingReadModelHandlers(reportingDbContext);
//var customerregisteredEvents = eventStoreDbContext.FindEventsAsync<CustomerRegisteredEvent>().Result;
//var membershipCreatedEvents = eventStoreDbContext.FindEventsAsync<MembershipCreatedEvent>().Result;
//var membershipPointsEarnedEvents = eventStoreDbContext.FindEventsAsync<MembershipPointsEarnedEvent>().Result;
//List<dynamic> dynamicCustomerRegistered = customerregisteredEvents
// .Select(e => e.EntityJson.FromJson(Type.GetType(e.EntityType)))
// .ToList();
//List<dynamic> dynamicMembershipCreated = membershipCreatedEvents
// .Select(e => e.EntityJson.FromJson(Type.GetType(e.EntityType)))
// .ToList();
//List<dynamic> dynamicMembershipPointsEarned = membershipPointsEarnedEvents
// .Select(e => e.EntityJson.FromJson(Type.GetType(e.EntityType)))
// .ToList();
//foreach(var @event in dynamicCustomerRegistered)
//{
// reportingModelEventHandlers.Handle(@event);
//}
//foreach(var @event in dynamicMembershipCreated)
//{
// reportingModelEventHandlers.Handle(@event);
//}
//foreach(var @event in dynamicMembershipPointsEarned)
//{
// reportingModelEventHandlers.Handle(@event);
//}
}
}
