task-processor/internal/app/handler.go

package app

import (
	"context"
	log "github.com/sirupsen/logrus"
	"task-processor/config"
	"time"
)

type App struct {
	config  config.Config
	rootCtx context.Context
}

type Deps struct {
	Config  config.Config
	RootCtx context.Context
}

func NewApp(deps Deps) *App {
	return &App{
		config:  deps.Config,
		rootCtx: deps.RootCtx,
	}
}

func (app *App) Run() error {
	log.Info("App started")

	errChan := make(chan error, 3)

	select {
	case <-app.rootCtx.Done():
		return app.Shutdown()

	case err := <-errChan:
		return err
	}
}

func (app *App) Shutdown() error {
	log.Info("App shutting down")
	ctx, cancel := context.WithTimeout(app.rootCtx, time.Second*10)
	defer cancel()

	_ = ctx
	return nil
}