GitHub - hemant-brb/mcs-generator

Introduction

This package focuses on reusability of code and provides support to laravel framework. The package has been developed with the aim to save developement time by providing developers very useful commands and helping in project structure setup.

Installation

To install this package you will need:

PHP 7.2 +
Laravel 5.8 +

Run the following from the terminal to install the package:

composer require devslane/generator

composer require devslane/generator --dev

Install via composer - edit your composer.json to require the package.

"require": {
    "devslane/generator": "dev-master"
}

Then run composer update in your terminal to pull it in.

Configuration:

Add the service provider to the providers array in your app.php config as follows:

Devslane\Generator\Providers\GeneratorServiceProvider::class,

Publish the configuration file with the following Artisan command:

php artisan vendor:publish --provider="Devslane\Generator\Providers\GeneratorServiceProvider"

Generate Migration

Supports to create migration with columns of provided datatype, with constraints or column with foreign key:

php artisan generate:migration {table : Table name} {--columns= : Columns}

php artisan generate:migration users --columns=first_name:string,last_name:string,age:integer

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateUsersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('users', function (Blueprint $table) {
            $table->bigIncrements('id'); 
			$table->string('first_name');
			$table->string('last_name');
			$table->integer('age');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('users');
    }
}

Add unique and nullable constraints:

php artisan generate:migration table1 --columns=name:string/nullable
php artisan generate:migration table2 --columns=name:string/unique

Foreign Key constraint on a column can also be provided with the command as:

php artisan create:migration posts --columns=post:string,user_id:fk=users

Generate Model

The command generates the Eloquent Models for the tables provided with the command.

php artisan generate:model {tables*}

php artisan generate:model users

Generates: User.php

namespace App;
use Devslane\Generator\Models\BaseModel;

/**
 * Class User
 * 
 * @package App
 */
class User extends BaseModel
{
    
}

Generate Contract

This command generates the required Contracts interfaces which are then implemented by the Request classes.

generate:contract {tables*}

php artisan generate:contract users

Generates the following:

CreateUserContract
ListUserContract
UpdateUserContract

These Interfaces contain the most essential functions. The DeleteUserContract is not created. It can be manually added if requirement arises.

namespace App\Services\Contract;

interface ListUserContract
{

}

namespace App\Services\Contract;

interface CreateUserContract
{
    public function getFirstName();

    public function getLastName();

    public function getAge();

    public function getCreatedAt();

    public function getUpdatedAt();
}

namespace App\Services\Contract;

interface UpdateUserContract
{
	public function getFirstName();

	public function hasFirstName();

	public function getLastName();

	public function hasLastName();

	public function getAge();

	public function hasAge();

	public function getCreatedAt();

	public function hasCreatedAt();

	public function getUpdatedAt();

	public function hasUpdatedAt();
}

Generate Request

This command generates all the CRUD operation's Request classes. These classes implement the corresponding Contracts generated by generate:contract {tables*}.

generate:request {tables*}

php artisan generate:request users

Running this for the very first time generates ListRequest Class which is then extended by all the ListRequest Classes.

ListRequest

namespace App\Api\V1\Requests;

use Devslane\Generator\Requests\BaseRequest;

/**
 * Class ListTesttableRequest
 * @package App\Api\V1\Requests
 */
class ListRequest extends BaseRequest
{
    const LIMIT        = 'limit';
    const ORDER        = 'order';
    const ORDER_BY     = 'order_by';
    const SEARCH_QUERY = 'search_query';


    public function getLimit() {
        return $this->input(self::LIMIT);
    }

    public function getOrder() {
        return $this->input(self::ORDER);
    }

    public function getOrderBy() {
        return $this->input(self::ORDER_BY);
    }

    public function getSearchQuery() {
        return $this->input(self::SEARCH_QUERY);
    }
}

Generates the following:

CreateUserRequest
ListUserRequest
UpdateUserRequest

These classes implement the corresponding contracts generated by the previous command and also contain the implementation of the functions of the Contracts. The DeleteUserRequest is not created. It can be manually added if requirement arises.

namespace App\Api\V1\Requests;

use App\Services\Contract\ListUserContract as Contract;

/**
 * Class ListUserRequest
 * @package App\Api\V1\Requests
 */
class ListUserRequest extends ListRequest implements Contract
{

}

namespace App\Api\V1\Requests;

use App\Services\Contract\CreateUserContract as Contract;

/**
 * Class CreateUserRequest
 * @package App\Api\V1\Requests
 */
class CreateUserRequest extends ListRequest implements Contract
{
    const FIRST_NAME = 'first_name';
    const LAST_NAME  = 'last_name';
    const AGE        = 'age';
    const CREATED_AT = 'created_at';
    const UPDATED_AT = 'updated_at';


    public function getFirstName() {
        return $this->input(self::FIRST_NAME);
    }

    public function getLastName() {
        return $this->input(self::LAST_NAME);
    }

    public function getAge() {
        return $this->input(self::AGE);
    }

    public function getCreatedAt() {
        return $this->input(self::CREATED_AT);
    }

    public function getUpdatedAt() {
        return $this->input(self::UPDATED_AT);
    }
}

namespace App\Api\V1\Requests;

use App\Services\Contract\UpdateUserContract as Contract;

/**
 * Class UpdateUserRequest
 * @package App\Api\V1\Requests
 */
class UpdateUserRequest extends ListRequest implements Contract
{
    const FIRST_NAME = 'first_name';
    const LAST_NAME  = 'last_name';
    const AGE        = 'age';
    const CREATED_AT = 'created_at';
    const UPDATED_AT = 'updated_at';


    public function getFirstName() {
        return $this->input(self::FIRST_NAME);
    }

    public function hasFirstName() {
        return $this->has(self::FIRST_NAME);
    }

    public function getLastName() {
        return $this->input(self::LAST_NAME);
    }

    public function hasLastName() {
        return $this->has(self::LAST_NAME);
    }

    public function getAge() {
        return $this->input(self::AGE);
    }

    public function hasAge() {
        return $this->has(self::AGE);
    }

    public function getCreatedAt() {
        return $this->input(self::CREATED_AT);
    }

    public function hasCreatedAt() {
        return $this->has(self::CREATED_AT);
    }

    public function getUpdatedAt() {
        return $this->input(self::UPDATED_AT);
    }

    public function hasUpdatedAt() {
        return $this->has(self::UPDATED_AT);
    }
}

Generate Exception

This generates the NotFoundExceptions related to the tables provided with the command.

generate:exception {tables*}

php artisan generate:exception users

Generates: UserNotFoundException

namespace App\Api\V1\Exceptions;

/**
 * Class UserNotFoundException
 * @package App\Api\V1\Exceptions
 */
class UserNotFoundException extends \Symfony\Component\HttpKernel\Exception\HttpException
{
    const ERROR_MESSAGE = 'User not Found';
    const ERROR_CODE = 404;

    public function __construct($statusCode = 422)
    {
        parent::__construct($statusCode, self::ERROR_MESSAGE, null, array(), self::ERROR_CODE);
    }
}

Generate Service

This command generates Services for the given tables containing CRUD operations in the service. These services are used by the Controllers to execute CRUD operations on the Database.

generate:service {tables*}

php artisan generate:service users

Generates: UserService

namespace App\Services;


use App\Api\V1\Exceptions\UserNotFoundException;
use App\User;
use App\Services\Contract\CreateUserContract;
use App\Services\Contract\UpdateUserContract;

/**
 * Class UserService
 * @package App\Services
 */
class UserService
{

    /**
     * @param $userId
     * @return User
     */
    public static function find($userId) {
        $user = User::find($userId);
        if (!$user) {
            throw new UserNotFoundException();
        }
        return $user;
    }

    /**
     * @return User[]|\Illuminate\Database\Eloquent\Collection
     */
    public function index() {
        return User::all();
    }

    /**
     * @param $userId
     * @return User
     */
    public function show($userId) {
        return self::find($userId);
    }

    /**
     * @param CreateUserContract $contract
     * @return User
     */
    public function store(CreateUserContract $contract) {
        $user = new User();
                $user->first_name = $contract->getFirstName();
        $user->last_name = $contract->getLastName();
        $user->age = $contract->getAge();

        $user->save();
        return $user;
    }

    /**
     * @param $userId
     * @param UpdateUserContract $contract
     * @return User
     */
    public function update($userId, UpdateUserContract $contract) {
        $user = self::find($userId);
                if ($contract->hasFirstName()) {
            $user->first_name = $contract->getFirstName();
        }
        if ($contract->hasLastName()) {
            $user->last_name = $contract->getLastName();
        }
        if ($contract->hasAge()) {
            $user->age = $contract->getAge();
        }

        $user->save();
        return $user;
    }

    /**
     * @param $userId
     */
    public function delete($userId) {
        $user = $this->find($userId);
        try {
            $user->delete();
        } catch (\Exception $e) {
        }
    }
}

Generate Transformer

Generates the Transformer for the response that will be generated after any CRUD operation, the Controllers exploit these Transformers to transform the response in the desired format.

By default the transformers contain all the columns of the table.

generate:transformer {tables*}

php artisan generate:transformer users

Generates: UserTransformer

namespace App\Transformers;


use App\User;
use League\Fractal\TransformerAbstract;

class UserTransformer extends TransformerAbstract
{

    public function transform(User $user){
        return [
			'id' => $user->id,
			'first_name' => $user->first_name,
			'last_name' => $user->last_name,
			'age' => (int)$user->age,
			'created_at' => $user->created_at,
			'updated_at' => $user->updated_at,
		];
    }
}

Generate Controller

Generates a controller having fundamental CRUD functions, which the routes point to. These controller classes use the generated Services for the database operations.

Generated transformers are used by the controller before sending the response.

generate:controller {tables*}

php artisan generate:controller users videos posts

Generates: UserController

namespace App\Api\V1\Controllers;


use App\Transformers\UserTransformer;
use App\Api\V1\Requests\CreateUserRequest;
use App\Api\V1\Requests\UpdateUserRequest;
use App\Services\UserService;
use Devslane\Generator\Controllers\BaseController;

/**
 * Class UserController
 * @package App\Api\V1\Controllers
 *
 * @property-read UserService $userService
 */
class UserController extends BaseController
{
    protected $userService;

    public function __construct() {
        $this->userService = new UserService();
    }
    
    
    /**
     * @param UserService $service
     * @return \Dingo\Api\Http\Response
     */
    public function index(UserService $service) {
        $users = $service->index();
        return $this->response->collection($users, new UserTransformer());
    }

    /**
     * @param $id
     * @param UserService $service
     * @return \Dingo\Api\Http\Response
     */
    public function show($id, UserService $service) {
        $user = $service->show($id);
        return $this->response->item($user, new UserTransformer());
    }

    /**
     * @param CreateUserRequest $request
     * @param UserService $service
     * @return \Dingo\Api\Http\Response
     */
    public function store(CreateUserRequest $request, UserService $service) {
        $user = $service->store($request);
        return $this->response->item($user, new UserTransformer());
    }

    /**
     * @param UpdateUserRequest $request
     * @param $id
     * @param UserService $service
     * @return \Dingo\Api\Http\Response
     */
    public function update(UpdateUserRequest $request, $id, UserService $service) {
        $user = $service->update($id, $request);
        return $this->response->item($user, new UserTransformer());
    }
    
    /**
     * @param $id
     * @param UserService $service
     */
    public function destroy($id, UserService $service) {
        $service->delete($id);
    }
}

Generate Factory

Generates the Factory for the tables provided.

generate:factory {tables*}

php artisan generate:facotory users posts videos

Generates: UserFactory

use App\User;
use Faker\Generator as Faker;

$factory->define(User::class, function (Faker $faker) {
    return [
		'first_name'=>$faker->firstName,
		'last_name'=>$faker->lastName,
		'age'=>$faker->numberBetween(0,100),
		'created_at'=>$faker->dateTime,
		'updated_at'=>$faker->dateTime,
	];
});

Generate Seeder

Generates the Database seeder for the tables. These seeders use the corresponding factories generated by generate:factory {tables*}. By default the number of rows are 10 for the seeders and can be modified by changing it in the mcs-helper.php in config.

return [
.
.
    'seeder'      => [
        'row_count'     => 10,
        'path'          => 'database/seeds',
        'overwrite'     => true,
        'exclude_table' => [
            'password_resets', 'migrations',
        ],
    ]
.
.
]

generate:seeder {tables*}

php artisan generate:seeder users videos posts

Generates: UserSeeder

use App\User;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\Config;

class UsersTableSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */

    public function run() {
        $size = (integer)Config::get('mcs-helper.seeder.row_count');
        factory(User::class, $size)->create();
    }
}

Generate All

generate:all {tables*}

php artisan generate:all users videos posts

Name		Name	Last commit message	Last commit date
Latest commit History 28 Commits
config		config
src		src
.gitignore		.gitignore
composer.json		composer.json
readme.md		readme.md

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Introduction

Installation

Configuration:

Helper commands.

Generate Migration

Generate Model

Generate Contract

Generate Request

Generate Exception

Generate Service

Generate Transformer

Generate Controller

Generate Factory

Generate Seeder

Generate All

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hemant-brb/mcs-generator

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Introduction

Installation

Configuration:

Helper commands.

Generate Migration

Generate Model

Generate Contract

Generate Request

Generate Exception

Generate Service

Generate Transformer

Generate Controller

Generate Factory

Generate Seeder

Generate All

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