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Package Development

[[toc]]

Introduction

Packages are the primary way of adding functionality to Goravel. These packages may contain routes, controllers, and configurations that are specifically designed to enhance a Goravel application. This guide focuses on developing Goravel-specific packages.

Here is an example for building a third-party package: goravel/example-package

Creating A Package

You can use easily create a package template using the Artisan command:

go run . artisan make:package sms

The created files are saved by default in the root packages folder, you can use --root option to customize:

go run . artisan make:package --root=pkg sms

Service Providers

Service providers act as the bridge between your package and Goravel. They are typically located in the root of the package as a service_provider.go file. Their main function is to bind items into Goravel's service container and guide Goravel in loading package resources.

Usage

Register the ServiceProvider in the package to config/app.go::providers, then export facades to the application. For detailed steps, refer to goravel/example-package.

Resources

Configuration

Typically, you will need to publish your package's configuration file to the application's config directory. This will allow users of your package to easily override your default configuration options. To allow your configuration files to be published, call the Publishes method from the Boot method of your service provider, the first parameter is the package name, and the second parameter is the mapping between the current package file path and the project path:

func (receiver *ServiceProvider) Boot(app foundation.Application) {
  app.Publishes("github.com/goravel/example-package", map[string]string{
    "config/sms.go": app.ConfigPath("sms.go"),
  })
}

Routes

If there are routes in your package, you can use app.MakeRoute() to resolve facades.Route(), then add the routes to the project:

func (receiver *ServiceProvider) Boot(app foundation.Application) {
	route := app.MakeRoute()
	route.Get("sms", ***)
}

Migrations

If there are migrations in your package, you can publish them by the Publishes method:

func (receiver *ServiceProvider) Boot(app foundation.Application) {
  app.Publishes("github.com/goravel/example-package", map[string]string{
    "migrations": app.DatabasePath("migrations"),
  })
}

Commands

You can register Artisan command by the Commands method, you can run the commands using Artisan CLI after registering them.

func (receiver *ServiceProvider) Boot(app foundation.Application) {
	app.Commands([]console.Command{
		commands.NewSmsCommand(),
	})
}

Public Assets

Your package may have assets such as JavaScript, CSS, and images. To publish these assets to the application's public directory, use the service provider's Publishes method:

func (receiver *ServiceProvider) Boot(app foundation.Application) {
  app.Publishes("github.com/goravel/example-package", map[string]string{
    "public": app.PublicPath("vendor"),
  })
}

Publishing File Groups

If you want to publish specific groups of package assets and resources separately, you can use tags when calling the Publishes method from the package's service provider. This allows you to give users the option to publish certain files, like configuration files, without having to publish all the package's assets. To illustrate, you can define two publish groups for the sms package (sms-config and sms-migrations) using tags in the Boot method of the package's service provider.

func (receiver *ServiceProvider) Boot(app foundation.Application) {
  app.Publishes("github.com/goravel/example-package", map[string]string{
    "config/sms.go": app.ConfigPath("sms.go"),
  }, "sms-config")
  app.Publishes("github.com/goravel/example-package", map[string]string{
    "migrations": app.DatabasePath("migrations"),
  }, "sms-migrations")
}

Publish Resources

In the project, You can publish the resources registered in a package using vendor:publish Artisan command:

go run . artisan vendor:publish --package={You package name}

The command can use the following options:

Option Name Alias Action
--package -p Package name, can be a remote package: github.com/goravel/example-package, and also can be a local package: ./packages/example-package, note that when using a local package name, it needs to start with ./.
--tag -t Resource Group
--force -f Overwrite any existing files
--existing -e Publish and overwrite only the files that have already been published