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Govel

Go clean architecture adopted from Laravel.

Main layer: Entity -> Repository -> Service -> Controller

Features

  • Support mysql, postgres, sqlite, sqlserver databases
  • Support ORM database
  • Support database migration
  • Support fake data
  • Support JWT

Main Packages

  • Gorm: The fantastic ORM library for Golang, aims to be developer friendly. github.com/go-gorm/gorm
  • Fiber: The fastest HTTP engine for Go. github.com/gofiber/fiber

Builds

Build project based on your system:

  • make linux-build for linux system
  • make mac-build for macOs darwin system
  • make migrate-linux-build build migrate only for linux system
  • make migrate-mac-build build migrate only for macOs darwin system

Database Migration

After build, use these commands:

  • Use command ./migrate start to start migration
  • Use command ./migrate seed to create fake data

Declaring Models

Govel using gorm package to manage the database. Please follow this docs for more https://gorm.io/docs/models.html

type User struct {
	ID              uint   `gorm:"primaryKey"`
	SocialId        string `gorm:"type:varchar(255);unique;default:null"`
	Email           string `gorm:"type:varchar(255);unique;not null"`
	Password        string `gorm:"type:varchar(255);default:null"`
	EmailVerifiedAt *time.Time
	Nick            string `gorm:"type:varchar(50);unique;not null"`
	Name            string `gorm:"type:varchar(255);index:,class:FULLTEXT;not null"`
	Pic             string `gorm:"type:varchar(255);not null;default:/assets/static/user.png"`
	Location        string `gorm:"type:varchar(255);default:Indonesia"`
	Desc            string `gorm:"type:varchar(255);default:null"`
	Role            int    `gorm:"type:tinyint(2);default:1"`
	Status          int    `gorm:"type:tinyint(2);default:0"`
	ApiToken        string `gorm:"type:varchar(80);default:null"`
	RememberToken   string `gorm:"type:varchar(100);default:null"`
	CreatedAt       time.Time
	UpdatedAt       time.Time
	DeletedAt       gorm.DeletedAt `gorm:"index"`
}

Migration

Register your table entity to the migration database/migration/migrator.go.

func Migrator(db *gorm.DB) {
	db.AutoMigrate(&entity.User{})
	db.AutoMigrate(&entity.AnotherTable{})
}

Build the project and run command migration start.

Seeder With Faker

Setup your fake data database/seeder/seeder.go.

func Seeder(db *gorm.DB) {
	for i := 0; i < 30; i++ {
		hashed, err := bcrypt.GenerateFromPassword([]byte(faker.Word()), bcrypt.DefaultCost)
		exception.PanicIfNeeded(err)
		db.Create(&entity.User{
			Email:    faker.Word() + "@gmail.com",
			Password: string(hashed),
			Name:     faker.Word(),
			Nick:     faker.Word(),
			Role:     1,
			Status:   1,
		})
	}
}

Route

Like laravel, you can add your route in route/api.go or route/web.go.

For more follow this docs https://docs.gofiber.io/guide/routing

route.Post("/create", userController.Create)
route.Get("/show/:id", userController.Show)

Or you can register your controller directly:

func APIRoute(route fiber.Router, database *gorm.DB) {
	// Setup Repository
	userRepository := repository.NewUserRepository(database)

	// Setup Service
	userService := service.NewUserService(&userRepository)

	// Setup Controller
	userController := controller.NewUserController(&userService)
	userController.Route(route)
}

And define your route from controller:

func (controller *UserController) Route(route fiber.Router) {
	group := route.Group("/users")
	group.Post("/all", controller.All)
	group.Post("/create", controller.Create)
	group.Post("/update/:id", controller.Update)
	group.Post("/delete/:id", controller.Delete)
}

Middleware

There are 3 default middlewares:

  • APPMiddleware: Used by all routes including api and web.
  • APIMiddleware: Used by api route only.
  • WebMiddleware: Used by web route only.

You can create your own middleware and use it:

// Use middleware on route under /users path
route.Use("/users", middleware.Authenticate)

// Use middleware on specific route
route.Post("/update/:id", middleware.Authenticate, controller.Update)

For more follow this docs https://docs.gofiber.io/guide/routing#middleware

JWT

There is helper jwt.go that you can use to create or parse the token:

// Create token
type LoginUserResponse struct {
	Id       uint   `json:"id"`
	Email    string `json:"email"`
	Name     string `json:"name"`
	jwt.StandardClaims
}
data :=  model.LoginUserResponse{
	Id:       user.ID,
	Email:    user.Email,
	Name:     user.Name,
}
token := helper.MakeECDSAToken(&data, jwt.SigningMethodES256)

// Parsing the token
token := helper.ParseECDSAToken(request.Token, jwt.SigningMethodES256)
claims := token.Claims.(jwt.MapClaims)
email := claims["email"].(string)

For more follow this docs https://github.com/golang-jwt/jwt

Access Database from Controller

You can access the database object from fiber context in the controller directly. But this is not recommended.

func (ctx *UserController) Example(c *fiber.Ctx) error {
	// Access the database object from fiber context
	db := c.Locals("DB").(*gorm.DB)

	result := map[string]interface{}{}
	db.Table("users").Where("id = ?", 1).Take(&result)
	return c.Status(200).JSON(result)
}

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