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This commit is contained in:
David Lebee 2021-02-02 12:19:59 -05:00
parent b9fbe5aca1
commit 20df5ce79d
16 changed files with 220 additions and 15 deletions
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33
Demo/Commands/CreatePersonCommand.cs Normal file
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@ -0,0 +1,33 @@
using FluentValidation;
using PoweredSoft.CQRS.Abstractions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace Demo.Commands
{
public class CreatePersonCommand
{
public string FirstName { get; set; }
public string LastName { get; set; }
}
public class CreatePersonCommandValidator : AbstractValidator<CreatePersonCommand>
{
public CreatePersonCommandValidator()
{
RuleFor(t => t.FirstName).NotEmpty();
RuleFor(t => t.LastName).NotEmpty();
}
}
public class CreatePersonCommandHandler : ICommandHandler<CreatePersonCommand>
{
public Task HandleAsync(CreatePersonCommand command, CancellationToken cancellationToken = default)
{
return Task.CompletedTask;
}
}
}

31
Demo/Commands/EchoCommand.cs Normal file
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@ -0,0 +1,31 @@
using FluentValidation;
using PoweredSoft.CQRS.Abstractions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace Demo.Commands
{
public class EchoCommand
{
public string Message { get; set; }
}
public class EchoCommandValidator : AbstractValidator<EchoCommand>
{
public EchoCommandValidator()
{
RuleFor(t => t.Message).NotEmpty();
}
}
public class EchoCommandHandler : ICommandHandler<EchoCommand, string>
{
public Task<string> HandleAsync(EchoCommand command, CancellationToken cancellationToken = default)
{
return Task.FromResult(command.Message);
}
}
}

1
Demo/Demo.csproj
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@ -5,6 +5,7 @@
</PropertyGroup>
<ItemGroup>
<PackageReference Include="FluentValidation.AspNetCore" Version="9.5.0" />
<PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="5.6.3" />
<PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="5.6.3" />
<PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="5.6.3" />

17
Demo/Startup.cs
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@ -1,4 +1,7 @@
using Demo.Commands;
using Demo.Queries;
using FluentValidation;
using FluentValidation.AspNetCore;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
@ -30,15 +33,27 @@ namespace Demo
public void ConfigureServices(IServiceCollection services)
{
AddQueries(services);
AddCommands(services);
services.AddPoweredSoftCQRS();
services
.AddControllers()
.AddPoweredSoftQueryController();
.AddPoweredSoftQueryController()
.AddPoweredSoftCommandController()
.AddFluentValidation();
services.AddSwaggerGen();
}
private void AddCommands(IServiceCollection services)
{
services.AddCommand<CreatePersonCommand, CreatePersonCommandHandler>();
services.AddTransient<IValidator<CreatePersonCommand>, CreatePersonCommandValidator>();
services.AddCommand<EchoCommand, string, EchoCommandHandler>();
services.AddTransient<IValidator<EchoCommand>, EchoCommandValidator>();
}
private void AddQueries(IServiceCollection services)
{
services.AddQuery<PersonQuery, IQueryable<Person>, PersonQueryHandler>();

2
PoweredSoft.CQRS.Abstractions/Attributes/CommandNameAttribute.cs
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@ -4,7 +4,7 @@ using System.Text;
namespace PoweredSoft.CQRS.Abstractions.Attributes
{
[AttributeUsage(AttributeTargets.Class, Inherited = false)]
[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
public class CommandNameAttribute : Attribute
{
public CommandNameAttribute(string name)

2
PoweredSoft.CQRS.Abstractions/Attributes/QueryNameAttribute.cs
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@ -2,7 +2,7 @@
namespace PoweredSoft.CQRS.Abstractions.Attributes
{
[AttributeUsage(AttributeTargets.Class, Inherited = false)]
[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
public class QueryNameAttribute : Attribute
{
public QueryNameAttribute(string name)

2
PoweredSoft.CQRS.AspNetCore.Abstractions/Attributes/CommandControllerIgnoreAttribute.cs
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@ -2,7 +2,7 @@
namespace PoweredSoft.CQRS.AspNetCore.Abstractions.Attributes
{
[AttributeUsage(AttributeTargets.Class)]
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
public class CommandControllerIgnoreAttribute : Attribute
{
}

2
PoweredSoft.CQRS.AspNetCore.Abstractions/Attributes/QueryControllerIgnoreAttribute.cs
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@ -4,7 +4,7 @@ using System.Text;
namespace PoweredSoft.CQRS.AspNetCore.Abstractions.Attributes
{
[AttributeUsage(AttributeTargets.Class)]
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
public class QueryControllerIgnoreAttribute : Attribute
{
}

40
PoweredSoft.CQRS.AspNetCore/Mvc/CommandController.cs Normal file
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@ -0,0 +1,40 @@
using Microsoft.AspNetCore.Mvc;
using PoweredSoft.CQRS.Abstractions;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace PoweredSoft.CQRS.AspNetCore.Mvc
{
[ApiController, Route("api/command/[controller]")]
public class CommandController<TCommand> : Controller
where TCommand : class
{
[HttpPost]
public async Task<IActionResult> Handle([FromServices] ICommandHandler<TCommand> handler,
[FromBody] TCommand command)
{
if (!ModelState.IsValid)
return BadRequest(ModelState);
await handler.HandleAsync(command, this.Request.HttpContext.RequestAborted);
return Ok();
}
}
[ApiController, Route("api/command/[controller]")]
public class CommandController<TCommand, TTCommandResult> : Controller
where TCommand : class
{
[HttpPost]
public async Task<ActionResult<TTCommandResult>> Handle([FromServices] ICommandHandler<TCommand, TTCommandResult> handler,
[FromBody] TCommand command)
{
if (!ModelState.IsValid)
return BadRequest(ModelState);
return Ok(await handler.HandleAsync(command, this.Request.HttpContext.RequestAborted));
}
}
}

28
PoweredSoft.CQRS.AspNetCore/Mvc/CommandControllerConvention.cs Normal file
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@ -0,0 +1,28 @@
using Microsoft.AspNetCore.Mvc.ApplicationModels;
using Microsoft.Extensions.DependencyInjection;
using PoweredSoft.CQRS.Abstractions.Discovery;
using System;
namespace PoweredSoft.CQRS.AspNetCore.Mvc
{
public class QueryControllerConvention : IControllerModelConvention
{
private readonly IServiceProvider serviceProvider;
public QueryControllerConvention(IServiceProvider serviceProvider)
{
this.serviceProvider = serviceProvider;
}
public void Apply(ControllerModel controller)
{
if (controller.ControllerType.IsGenericType && controller.ControllerType.Name.Contains("QueryController") && controller.ControllerType.Assembly == typeof(QueryControllerConvention).Assembly)
{
var genericType = controller.ControllerType.GenericTypeArguments[0];
var queryDiscovery = this.serviceProvider.GetRequiredService<IQueryDiscovery>();
var query = queryDiscovery.FindQuery(genericType);
controller.ControllerName = query.Name;
}
}
}
}

46
PoweredSoft.CQRS.AspNetCore/Mvc/CommandControllerFeatureProvider.cs Normal file
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@ -0,0 +1,46 @@
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.Extensions.DependencyInjection;
using PoweredSoft.CQRS.Abstractions.Discovery;
using PoweredSoft.CQRS.AspNetCore.Abstractions.Attributes;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace PoweredSoft.CQRS.AspNetCore.Mvc
{
public class CommandControllerFeatureProvider : IApplicationFeatureProvider<ControllerFeature>
{
private readonly ServiceProvider serviceProvider;
public CommandControllerFeatureProvider(ServiceProvider serviceProvider)
{
this.serviceProvider = serviceProvider;
}
public void PopulateFeature(IEnumerable<ApplicationPart> parts, ControllerFeature feature)
{
var commandDiscovery = this.serviceProvider.GetRequiredService<ICommandDiscovery>();
foreach (var f in commandDiscovery.GetCommands())
{
var ignoreAttribute = f.CommandType.GetCustomAttribute<CommandControllerIgnoreAttribute>();
if (ignoreAttribute != null)
continue;
if (f.CommandResultType == null)
{
var controllerType = typeof(CommandController<>).MakeGenericType(f.CommandType);
var controllerTypeInfo = controllerType.GetTypeInfo();
feature.Controllers.Add(controllerTypeInfo);
}
else
{
var controllerType = typeof(CommandController<,>).MakeGenericType(f.CommandType, f.CommandResultType);
var controllerTypeInfo = controllerType.GetTypeInfo();
feature.Controllers.Add(controllerTypeInfo);
}
}
}
}
}

7
PoweredSoft.CQRS.AspNetCore/Mvc/CommandControllerOptions.cs Normal file
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@ -0,0 +1,7 @@
namespace PoweredSoft.CQRS.AspNetCore.Mvc
{
public class CommandControllerOptions
{
}
}

8
PoweredSoft.CQRS.AspNetCore/Mvc/QueryController.cs
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@ -12,10 +12,14 @@ namespace PoweredSoft.CQRS.AspNetCore.Mvc
where TQuery : class
{
[HttpPost]
public Task<TQueryResult> Handle([FromServices] IQueryHandler<TQuery, TQueryResult> handler,
public async Task<ActionResult<TQueryResult>> Handle([FromServices] IQueryHandler<TQuery, TQueryResult> handler,
[FromBody] TQuery query)
{
return handler.HandleAsync(query, this.Request.HttpContext.RequestAborted);
if (!ModelState.IsValid)
return BadRequest(ModelState);
return Ok(await handler.HandleAsync(query, this.Request.HttpContext.RequestAborted));
}
}
}

12
PoweredSoft.CQRS.AspNetCore/Mvc/QueryControllerConvention.cs
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@ -5,23 +5,23 @@ using System;
namespace PoweredSoft.CQRS.AspNetCore.Mvc
{
public class QueryControllerConvention : IControllerModelConvention
public class CommandControllerConvention : IControllerModelConvention
{
private readonly IServiceProvider serviceProvider;
public QueryControllerConvention(IServiceProvider serviceProvider)
public CommandControllerConvention(IServiceProvider serviceProvider)
{
this.serviceProvider = serviceProvider;
}
public void Apply(ControllerModel controller)
{
if (controller.ControllerType.IsGenericType && controller.ControllerType.Name.Contains("QueryController") && controller.ControllerType.Assembly == typeof(QueryControllerConvention).Assembly)
if (controller.ControllerType.IsGenericType && controller.ControllerType.Name.Contains("CommandController") && controller.ControllerType.Assembly == typeof(CommandControllerConvention).Assembly)
{
var genericType = controller.ControllerType.GenericTypeArguments[0];
var queryDiscovery = this.serviceProvider.GetRequiredService<IQueryDiscovery>();
var query = queryDiscovery.FindQuery(genericType);
controller.ControllerName = query.Name;
var commandDiscovery = this.serviceProvider.GetRequiredService<ICommandDiscovery>();
var command = commandDiscovery.FindCommand(genericType);
controller.ControllerName = command.Name;
}
}
}

3
PoweredSoft.CQRS.AspNetCore/MvcBuilderExensions.cs
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@ -17,7 +17,6 @@ namespace PoweredSoft.CQRS.AspNetCore.Mvc
return builder;
}
/*
public static IMvcBuilder AddPoweredSoftCommandController(this IMvcBuilder builder)
{
var services = builder.Services;
@ -25,6 +24,6 @@ namespace PoweredSoft.CQRS.AspNetCore.Mvc
builder.AddMvcOptions(o => o.Conventions.Add(new CommandControllerConvention(serviceProvider)));
builder.ConfigureApplicationPartManager(m => m.FeatureProviders.Add(new CommandControllerFeatureProvider(serviceProvider)));
return builder;
}*/
}
}
}

1
PoweredSoft.CQRS.AspNetCore/PoweredSoft.CQRS.AspNetCore.csproj
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@ -10,6 +10,7 @@
<ItemGroup>
<ProjectReference Include="..\PoweredSoft.CQRS.Abstractions\PoweredSoft.CQRS.Abstractions.csproj" />
<ProjectReference Include="..\PoweredSoft.CQRS.AspNetCore.Abstractions\PoweredSoft.CQRS.AspNetCore.Abstractions.csproj" />
</ItemGroup>
</Project>