Sample API

api.go

func main() {
	app := NewApplication("development.toml")
	app.Start(":8080")
}

type Application struct {
	Config          *tomlConfig
	PagesController *ControllerInterface
	PagesStorage    *StorageInterface
	UsersStorage    *StorageInterface
	TagsController  *ControllerInterface
	Mailer          *STMPMailer
	Db              *Database
	Logger          LoggerInterface
}

func NewApplication(config string) {
	database := NewPostgresSesssion(config)
	logger := log.NewFileLogger()

	app := new(Application)
	app.Config = NewConfig(config)
	app.PagesController = products.NewPagesController(app)
	app.PagesStorge = storage.NewPagesStorage(app, database)
	app.UserStorage = storage.NewUserStorage(app, database)
	app.TagsController = tags.NewTagsController(app, other_dependency)
	app.Logger = logger
	app.Mailer = &SMTPMailer{app: app}
	// Many other services
	app.Db = &Database{app: app}

	return app
}

// controllers/pages_controller.go
// package controllers

type PagesController struct {
	*base.Controller
	app *base.Application
}

func NewPagesController(app *Application) *PagesController {
	ctrl := &PagesController{app}
	// Register controller routes
	app.AddRoute("/page/:id", ctrl.ViewPage)
	return ctrl
}

func (c *PagesController) View(ctx *base.Context) {
	page, err := ctx.app.PagesStorage.GetById(ctx.Param("id"))

	if err != nil {
		ctx.Render("404")
	}
	ctx.Render("pages/view", ctx.D{
		"page": page,
	})
}

type UserStorage struct {
	database DatabaseInterface
}

// user_storage.go
func NewUserStorage(database DatabaseInterface) *UserStorage {
	return &UserStorage{database}
}

func (s *UserStorage) GetByEmail(email string) (*User, error) {
	user = new(User)
	err := s.database.SelectOne("SELECT * FROM users WHERE email=?", email).Encode(user)
	if err != nil {
		return nil, err
	}
	return user, nil
}