public bool MessageHandler(Message message)
{
if (message == null)
{
return(false);
}
// log income message
_logRepository.Add(message);
if (message.Chat == null)
{
return(false);
}
var chatId = message.Chat.Id;
if (chatId <= 0)
{
return(false);
}
var type = Enum.GetName(typeof(MessageType), message.Type);
_logger.LogInformation($"[{chatId}] [{type}] [{message.Text ?? ""}] Received message");
Action action;
// Fix other highPriorityMessage
// ReSharper disable once SwitchStatementMissingSomeCases
switch (message.Type)
{
case MessageType.Contact:
case MessageType.Text:
{
action = CreateCommand(message);
break;
}
default:
{
var queueMessageFactory = new QueueMessageFactory(message);
action = _generalCommandsFactory.Command(queueMessageFactory.WrongMessage);
break;
}
}
try
{
action.Invoke();
return(true);
}
catch (Exception e)
{
_logger.LogError($"[{chatId}] [{type}] [{message.Text ?? ""}] MessageHandlerAsync Error.", e);
return(false);
}
}
public Action AddIsStudentCommand(Message message, QueueMessage nextTrueMessage, QueueMessage nextFalseMessage)
{
return(() =>
{
var answer = message.Text;
var chatId = message.Chat.Id;
bool?isStudent = null;
bool?isAnsweredAllQuestions = null;
if (Compare(answer, "да"))
{
isStudent = true;
}
if (Compare(answer, "нет"))
{
isStudent = false;
isAnsweredAllQuestions = true;
}
_userRepository.SaveStudentOrNot(chatId, isStudent, isAnsweredAllQuestions);
if (!isStudent.HasValue)
{
var factory = new QueueMessageFactory(message);
_queueService.Add(factory.AskIsStudentMessage);
}
if (isStudent.HasValue && isStudent.Value)
{
_queueService.Add(nextTrueMessage);
}
else
{
if (!_resultRepository.IsQuizMember(chatId))
{
_userRepository.SetQuizMember(chatId, null);
}
_queueService.Add(nextFalseMessage);
}
});
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
ConfigureLogging(services);
services.AddControllers();
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1", new OpenApiInfo {
Title = "AsyncProcessor.Web.API", Version = "v1"
});
});
var encoder = new JsonEncoder();
services.AddSingleton <IEncoder>(encoder);
services.AddSingleton <IDecoder>(encoder);
services.AddSingleton <IQueueMessageFactory>(ctx =>
{
var factory = new QueueMessageFactory(ctx.GetRequiredService <IEncoder>());
factory.RegisterMessageIdGenerator <ProcessIncoming>(p => p.Id);
return(factory);
});
services.AddSingleton <IConnectionFactory>(ctx =>
{
var rabbitConfig = this.Configuration.GetSection("RabbitMQ");
var connectionFactory = new ConnectionFactory()
{
HostName = rabbitConfig["HostName"],
UserName = rabbitConfig["UserName"],
Password = rabbitConfig["Password"],
Port = AmqpTcpEndpoint.UseDefaultPort
};
return(connectionFactory);
});
services.AddSingleton <IBusConnection, RabbitPersistentConnection>();
services.AddScoped <IPublisher>(ctx =>
{
var connection = ctx.GetRequiredService <IBusConnection>();
var encoder = ctx.GetRequiredService <IEncoder>();
var logger = ctx.GetRequiredService <ILogger <RabbitPublisher> >();
var rabbitConfig = this.Configuration.GetSection("RabbitMQ");
var exchangeName = rabbitConfig["Exchange"];
return(new RabbitPublisher(connection, exchangeName, encoder, logger));
});
services.AddSingleton(ctx =>
{
var mongoCfg = Configuration.GetSection("Mongo");
var connStr = mongoCfg["ConnectionString"];
return(new MongoClient(connectionString: connStr));
})
.AddSingleton(ctx =>
{
var mongoCfg = Configuration.GetSection("Mongo");
var dbName = mongoCfg["DbName"];
var client = ctx.GetRequiredService <MongoClient>();
var database = client.GetDatabase(dbName);
return(database);
}).AddSingleton <IDbContext, DbContext>();
services.AddMediatR(typeof(Queries.ProcessedRequestById));
services.AddHealthChecks() //TODO: ensure connections are not spawned more than necessary
.AddRabbitMQ(connectionFactory: (ctx) => ctx.GetRequiredService <IConnectionFactory>().CreateConnection(), name: "rabbit", tags: new[] { "infrastructure" });
}
private Action CreateCommand(Message message)
{
var chatId = message.Chat.Id;
var user = _users.Get(chatId);
var factory = new QueueMessageFactory(message);
if (user == null)
{
return(_generalCommandsFactory.StartCommand(factory.WelcomeMessage));
}
// handle contact message
// ReSharper disable once SwitchStatementMissingSomeCases
switch (message.Type)
{
case MessageType.Contact when user.Phone is null:
return(_generalCommandsFactory.AddContactCommand(message,
factory.AskNameMessage(message.Contact.FirstName)));
case MessageType.Contact:
return(_generalCommandsFactory.Command(factory.WrongMessage));
}
// handle text messages
if (user.Phone == null)
{
return(_generalCommandsFactory.Command(factory.AskContactMessage));
}
if (user.Name == null)
{
return(_generalCommandsFactory.AddNameCommand(message, factory.AskStartQuizMessage));
}
// ReSharper disable once ConvertIfStatementToSwitchStatement
if (user.IsQuizMember == null)
{
return(_questionCommandFactory.AddQuizCommand(user, message, user.IsAnsweredAll
? factory.EndMessage
: factory.AskEmail,
factory.AskStartQuizMessage));
}
if (user.IsQuizMember is true)
{
// add handler to quiz
return(_questionCommandFactory.QuestionCommand(message,
user.IsAnsweredAll ? factory.EndMessage : factory.AskEmail, user.IsAnsweredAll));
}
if (user.EMail == null)
{
return(_generalCommandsFactory.AddEMailCommand(message, factory.AskProfessionMessage));
}
if (user.Profession == null)
{
return(_generalCommandsFactory.AddProfessionCommand(message, factory.AskIsStudentMessage));
}
// ReSharper disable once ConvertIfStatementToSwitchStatement
if (user.IsStudent == null)
{
return(_generalCommandsFactory.AddIsStudentCommand(
message,
factory.AskUniversityMessage,
_resultRepository.IsQuizMember(chatId) ? factory.EndMessage : factory.AskStartQuizMessageAgain));
}
if (user.IsStudent is true && user.University == null)
{
return(_generalCommandsFactory.AddUniversityCommand(message, factory.AskCourse));
}
// ReSharper disable once ConvertIfStatementToReturnStatement
if (user.IsStudent is true && user.Course == null)
{
return(_generalCommandsFactory.AddCourseCommand(
message,
_resultRepository.IsQuizMember(chatId) ? factory.EndMessage : factory.AskStartQuizMessageAgain,
factory.AskCourse));
}
// ReSharper disable once ConvertIfStatementToReturnStatement
if (user.IsAnsweredAll)
{
return(_generalCommandsFactory.Command(factory.EndMessage));
}
return(_generalCommandsFactory.Command(factory.WrongMessage));
}