Refactoring

1. Move all pre-defined messages to constants in a separate file
2. Remove pkg/errors dependency

cmd/anon3anon/config.go

@@ -1,14 +1,15 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/kelseyhightower/envconfig"
-	"github.com/pkg/errors"
 )
 
 func parseEnv() (*config, error) {
 	c := new(config)
 	if err := envconfig.Process(appID, c); err != nil {
-		return nil, errors.Wrap(err, "failed to parse env")
+		return nil, fmt.Errorf("failed to parse env: %w", err)
 	}
 	return c, nil
 }

cmd/anon3anon/main.go

@@ -5,9 +5,9 @@ import (
 	"os"
 	"os/signal"
 
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/jsonlog"
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/telegram/handler"
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/telegram/middleware"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/jsonlog"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/telegram/handler"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/telegram/middleware"
 
 	"github.com/go-telegram/bot"
 )
@@ -22,13 +22,8 @@ func main() {
 		logger.FatalError(err)
 	}
 
-	opts := []bot.Option{
-		bot.WithMiddlewares(middleware.NewLoggingMiddleware(logger)),
-		bot.WithMessageTextHandler("/start", bot.MatchTypeExact, handler.NewStartCommandHandler(logger)),
-		bot.WithDefaultHandler(handler.NewAnonymousMessagesHandler(logger, conf.OwnerChatID)),
-	}
-
-	b, err := bot.New(conf.TelegramBotToken, opts...)
+	options := initBotOptions(conf, logger)
+	b, err := bot.New(conf.TelegramBotToken, options...)
 	if err != nil {
 		logger.FatalError(err)
 	}
@@ -46,3 +41,14 @@ func initLogger() jsonlog.Logger {
 	})
 	return logger
 }
+
+func initBotOptions(conf *config, logger jsonlog.Logger) []bot.Option {
+	startCommandHandler := handler.NewStartCommandHandler(logger)
+	anonymousMessagesHandler := handler.NewAnonymousMessagesHandler(logger, conf.OwnerChatID)
+
+	return []bot.Option{
+		bot.WithMiddlewares(middleware.NewLoggingMiddleware(logger)),
+		bot.WithMessageTextHandler("/start", bot.MatchTypeExact, startCommandHandler),
+		bot.WithDefaultHandler(anonymousMessagesHandler),
+	}
+}

go.mod

@@ -5,7 +5,6 @@ go 1.24
 require (
 	github.com/go-telegram/bot v1.13.3
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.3
 )
 

go.sum

@@ -5,8 +5,6 @@ github.com/go-telegram/bot v1.13.3 h1:r2erpHI5rMQsR5TFWJ/XVqWHq9R228fcaejLFvXJsm
 github.com/go-telegram/bot v1.13.3/go.mod h1:i2TRs7fXWIeaceF3z7KzsMt/he0TwkVC680mvdTFYeM=
 github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
 github.com/kelseyhightower/envconfig v1.4.0/go.mod h1:cccZRl6mQpaq41TPp5QxidR+Sa3axMbJDNb//FQX6Gg=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=

pkg/anon3anon/infrastructure/telegram/handler/anonymousmessages.go

@@ -3,7 +3,7 @@ package handler
 import (
 	"context"
 
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/jsonlog"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/jsonlog"
 
 	"github.com/go-telegram/bot"
 	"github.com/go-telegram/bot/models"
@@ -28,7 +28,7 @@ func NewAnonymousMessagesHandler(logger jsonlog.Logger, ownerChatId int) bot.Han
 
 		sendParams := &bot.SendMessageParams{
 			ChatID: update.Message.Chat.ID,
-			Text:   "Сообщение отправлено!!",
+			Text:   messageSentMessage,
 		}
 		_, err = b.SendMessage(ctx, sendParams)
 		if err != nil {

pkg/anon3anon/infrastructure/telegram/handler/messages.go

@@ -0,0 +1,6 @@
+package handler
+
+const (
+	greetingMessage    = "Жду твоих сообщений!!"
+	messageSentMessage = "Сообщение отправлено!!"
+)

pkg/anon3anon/infrastructure/telegram/handler/startcommand.go

@@ -3,7 +3,7 @@ package handler
 import (
 	"context"
 
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/jsonlog"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/jsonlog"
 
 	"github.com/go-telegram/bot"
 	"github.com/go-telegram/bot/models"
@@ -11,9 +11,13 @@ import (
 
 func NewStartCommandHandler(logger jsonlog.Logger) bot.HandlerFunc {
 	return func(ctx context.Context, b *bot.Bot, update *models.Update) {
+		if update.Message == nil {
+			return
+		}
+
 		params := &bot.SendMessageParams{
 			ChatID: update.Message.Chat.ID,
-			Text:   "Жду твоих сообщений!!",
+			Text:   greetingMessage,
 		}
 		_, err := b.SendMessage(ctx, params)
 		if err != nil {

pkg/anon3anon/infrastructure/telegram/middleware/loggingmiddleware.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/nightnoryu/anon3anon/pkg/infrastructure/jsonlog"
+	"github.com/nightnoryu/anon3anon/pkg/anon3anon/infrastructure/jsonlog"
 
 	"github.com/go-telegram/bot"
 	"github.com/go-telegram/bot/models"