api-generator

PHP-code generator (based on OAS) for Laravel framework, with complete support of JSON-API data format

Getting started Demo
CRUD Demo
Relation links Demo
Migrations Demo
API docs Demo
Installation
- Configuration
- Optional settings
- Running generator
- Docker repo
Open API Types and Declarations
Open API Docs generator
Generated files content
- Module Config
- Controllers
- FormRequests
- Models
- Routes
- Migrations
- Tests
Relationships
Bulk Extension
Query parameters
Security
- Static access token
- JWT
Caching
Soft Delete
Tree structures
Finite-state machine
Spell check
Bit mask
Custom SQL
Custom business logic
Regeneration

Installation via composer:

First of all - create Laravel project if you didn't do that yet:

composer create-project --prefer-dist laravel/laravel your_app

then in your project directory run:

composer require solidry/api-generator

It will automatically register Laravel ServiceProvider by adding console command api:generate (you should see it when running php artisan) and also publish "laravel-modules" provider.

Autoloading

By default Controllers, entities or repositories are not loaded automatically. You can autoload your modules using psr-4. For example :

{
  "autoload": {
    "psr-4": {
      "App\\": "app/",
      "Modules\\": "Modules/"
    }
  }
}

refresh changes by running:

composer dump-autoload

Optional settings

To provide Json API compatible error handler one can add ErrorHandler trait to app/Exceptions/Handler class and return return $this->renderJsonApi($request, $exception); from standard Laravel render method, complete example of Handler class will look something like this:

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\JsonResponse;
use SoliDry\Exceptions\ErrorHandler;

class Handler extends ExceptionHandler
{
    use ErrorHandler; 
    
    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Exception $exception
     * @return JsonResponse
     */
    public function render($request, Exception $exception): JsonResponse
    {
        return $this->renderJsonApi($request, $exception); // method you should call to return json-api response
    }
}

As you may noticed it returns Illuminate\Http\JsonResponse Laravel object to output data appropriately e.g.:

{
  "errors": [
    {
      "code": 61,
      "message": "Connection refused [tcp://127.0.0.1:6379]",
      "file": "/vendor/predis/predis/src/Connection/AbstractConnection.php",
      "line": 155,
      "uri": "http://laravel.loc/api/v2/article",
      "meta": "#0 /vendor/predis/predis/src/Connection/StreamConnection.php(128): Predis\\Connection\\AbstractConnection->onConnectionError('Connection refu...', 61)\n#1 /vendor/predis/predis/src/Connection/StreamConnection.php(178): Predis\\Connection\\StreamConnection->createStreamSocket(Object(Predis\\Connection\\Parameters), 'tcp://127.0.0.1...', 4)\n#2 /vendor/predis/predis/src/Connection/StreamConnection.php(100): Predis\\Connection\\StreamConnection->tcpStreamInitializer(Object(Predis\\Connection\\Parameters))\n#3 /vendor/predis/predis/src/Connection/AbstractConnection.php(81): Predis\\Connection\\StreamConnection->createResource()\n#4 /vendor/predis/predis/src/Connection/StreamConnection.php(258): Predis\\Connection\\AbstractConnection->connect()\n#5 /vendor/predis/predis/src/Connection/AbstractConnection.php(180): Predis\\Connection\\StreamConnection->connect()\n#6 /vendor/predis/predis/src/Connection/StreamConnection.php(288): Predis\\Connection\\AbstractConnection->getResource()\n#7 /vendor/predis/predis/src/Connection/StreamConnection.php(394): Predis\\Connection\\StreamConnection->write('*2\\r\\n$3\\r\\nGET\\r\\n$4...')\n#8 /vendor/predis/predis/src/Connection/AbstractConnection.php(110): Predis\\Connection\\StreamConnection->writeRequest(Object(Predis\\Command\\StringGet))\n#9 /vendor/predis/predis/src/Client.php(331): Predis\\Connection\\AbstractConnection->executeCommand(Object(Predis\\Command\\StringGet))\n#10 /vendor/predis/predis/src/Client.php(314): Predis\\Client->executeCommand(Object(Predis\\Command\\StringGet))\n#11 /vendor/laravel/framework/src/Illuminate/Redis/Connections/Connection.php(114): Predis\\Client->__call('get', Array)\n#12 /vendor/laravel/framework/src/Illuminate/Redis/Connections/Connection.php(214): Illuminate\\Redis\\Connections\\Connection->command('get', Array)\n#13 /vendor/laravel/framework/src/Illuminate/Redis/RedisManager.php(195): Illuminate\\Redis\\Connections\\Connection->__call('get', Array)\n#14 /vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(237): Illuminate\\Redis\\RedisManager->__call('get', Array)\n#15 /vendor/solidry/api-generator/src/Extension/CacheTrait.php(95): Illuminate\\Support\\Facades\\Facade::__callStatic('get', Array)\n#16 /vendor/solidry/api-generator/src/Extension/CacheTrait.php(60): SoliDry\\Extension\\ApiController->getXFetched(Object(Illuminate\\Http\\Request), Object(SoliDry\\Helpers\\SqlOptions))\n#17 /vendor/solidry/api-generator/src/Extension/ApiController.php(115): SoliDry\\Extension\\ApiController->getCached(Object(Illuminate\\Http\\Request), Object(SoliDry\\Helpers\\SqlOptions))\n#18 [internal function]: SoliDry\\Extension\\ApiController->index(Object(Illuminate\\Http\\Request))\n#19 /vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): call_user_func_array(Array, Array)\n#20 /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\\Routing\\Controller->callAction('index', Array)\n#21 /vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\\Routing\\ControllerDispatcher->dispatch(Object(Illuminate\\Routing\\Route), Object(Modules\\V2\\Http\\Controllers\\ArticleController), 'index')\n#22 /vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\\Routing\\Route->runController()\n#23 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(680): Illuminate\\Routing\\Route->run()\n#24 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))\n#25 /vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))\n#26 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Routing\\Middleware\\SubstituteBindings->handle(Object(Illuminate\\Http\\Request), Object(Closure))\n#27 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))\n#28 /vendor/laravel/framework/src/Illuminate/Routing/Middleware/ThrottleRequests.php(58): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))\n#29 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Routing\\Middleware\\ThrottleRequests->handle(Object(Illuminate\\Http\\Request), Object(Closure), 60, '1')\n#30 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))\n#31 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))\n#32 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))\n#33 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(657): Illuminate\\Routing\\Router->runRouteWithinStack(Object(Illuminate\\Routing\\Route), Object(Illuminate\\Http\\Request))\n#34 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(623): Illuminate\\Routing\\Router->runRoute(Object(Illuminate\\Http\\Request), Object(Illuminate\\Routing\\Route))\n#35 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(612): Illuminate\\Routing\\Router->dispatchToRoute(Object(Illuminate\\Http\\Request))\n#36 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\\Routing\\Router->dispatch(Object(Illuminate\\Http\\Request))\n#37 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}(Object(Illuminate\\Http\\Request))\n#38 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))\n#39 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))\n#40 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter(Object(Illuminate\\Http\\Request))\n#41 /public/index.php(55): Illuminate\\Foundation\\Http\\Kernel->handle(Object(Illuminate\\Http\\Request))\n#42 {main}"
    }
  ]
}

The default Laravel installation has an api prefix for API routes. If you want to access generated json api routes via their prefix first ex.: /v2/article or /myshop/basket, you will need to remove the prefix from the mapApiRoutes() method in your RouteServiceProvider.

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Route;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;

class RouteServiceProvider extends ServiceProvider
{
    // ...

    protected function mapApiRoutes()
    {
        // Route::prefix('api') // you don't need prefixes then
        Route::middleware('api')
             ->namespace($this->namespace)
             ->group(base_path('routes/api.php'));
    }
}

Running generator

Run in console:

php artisan api:generate oas/openapi.yaml --migrations

This command creates the whole environment for you to proceed building complex API based on OAS/Laravel/JSON API, in particular: directories for modular app, Controllers/FormRequests/Models+Pivots to support full MVC, Routes (JSON API compatible) and even migrations to help you create RDBMS structure.

oas/openapi.yaml - file in oas directory in the root of your project, which should be prepared before or you may wish to just try by copying an example from mkdir oas && curl 'https://raw.githubusercontent.com/SoliDry/api-generator/master/tests/functional/oas/openapi.yaml' > /oas/openapi.yaml and probably rewrite it for your needs.

You can also use .json ext/format to produce the same results if required or more convenient for your environment.

Options:

--migrations is an option to create migrations (create_entityName_table) for every entity + pivots if there are ManyToMany relationships.

--regenerate use this if you need to rewrite all files generated previously. By default generated files preserved to prevent overwriting of added/modified content.

The output will look something like this:

After that u can see the following dirs and files module structure in your project:

Docker repository

Another way of installing and playing with api-generator (in sandbox fashion) is via https://github.com/SoliDry/laravel-api. Clone repository and run:

docker-compose up -d

You can see Dockerfile and docker-compose.yml files there.

PS Any contributions to build a better containers are welcome.

Open API Types and Declarations

OAS (Open API Specification) was developed as merge of Swagger and RAML specs by two groups of developers (they tired to argue with each other 😄), thus it became quite popular and has been implemented for api-generator

openapi: 3.0.1
info: This api provides access to articles
servers:
- url: https://{environment}.example.com:{port}/{basePath}
  description: Production server
  variables:
    environment:
      default: api
      description: An api for devices at Google dot com
    port:
      enum:
        - 80
        - 443
      defualt: 80
    basePath:
      default: v3 # this version will be used as Modules subdirectory and base path uri in routes e.g. /Modules/V2/ and /v2/articles 
# to declare globally which files to include with other components declarations
uses:
  topics: oas/topic.yaml

or in json:

{
    "openapi": "3.0.2",
    "info": {
        "title": "Articles",
        "description": "This api provides access to articles",
        "version": "v3"
    },
    "servers": [
        {
            "url": "https://{environment}.example.com:{port}/{basePath}",
            "description": "Production server",
            "variables": {
                "environment": {
                    "default": "api",
                    "description": "An api for devices at Google dot com"
                },
                "basePath": {
                    "default": "v3"
                },
                "port": {
                    "enum": [
                        "80",
                        "443"
                    ],
                    "default": "80"
                }
            }
        }
    ],
    "uses": {
        "topics": "oas/topic.json"
    }
}

U can set multiple servers as well as multiple files into the main openapi.yaml, thus code will be generated for every server module e.g.: Modules/v2, Modules/v3, Modules/v4 and there will be other Types from different files.

Basic and custom Types are declared under

components:
  schemas:

or in json:

"components": {
    "schemas": {

Types ID, Type, DataObject/DataArray are special helper Types - !required

You can easily add string IDs to entities you'd like for example SID can be placed in Article entity like that id: SID - api-generator will produce migrations, relations and models respectively.

  ID:
    type: integer
    required: true
    # it will be BIGINT UNSIGNED in migration Schema if maximum > 10
    maximum: 20
  SID:
    type: string
    required: true
    maxLength: 128    
  Type:
    type: string
    required: true
    minLength: 1
    maxLength: 255
  DataObject:
    type: object
    required: true
  DataArray:
    type: array
    required: true

or in json:

"ID": {
    "type": "integer",
    "required": true,
    "maximum": 20
},
"SID": {
    "type": "string",
    "required": true,
    "maxLength": 128
},
"Type": {
    "type": "string",
    "required": true,
    "minLength": 1,
    "maxLength": 255
},
"DataObject": {
    "type": "object",
    "required": true
},
"DataArray": {
    "type": "array",
    "required": true
}

Special data type RelationshipsDataItem - !required

  RelationshipsDataItem:
    type: object
    properties:
      id: ID
      type: Type

or in json:

"RelationshipsDataItem": {
    "type": "object",
    "properties": {
        "id": "ID",
        "type": "Type"
    }
}

defined in every relationship custom type

Attributes *Attributes are defined for every custom Object ex.:

  ArticleAttributes:
    description: Article attributes description
    type: object
    properties:
      title:
        required: true
        type: string
        minLength: 16
        maxLength: 256
        facets:
          index:
            idx_title: index
      description:
        required: true
        type: string
        minLength: 32
        maxLength: 1024
      url:
        required: false
        type: string
        minLength: 16
        maxLength: 255
        facets:
          index:
            idx_url: unique        
      show_in_top:
        description: Show at the top of main page
        required: false
        type: boolean
      status:
        description: The state of an article
        enum: ["draft", "published", "postponed", "archived"]
      topic_id:
        description: ManyToOne Topic relationship
        required: true
        type: integer
        minimum: 1
        maximum: 6
        facets:
          index:
            idx_fk_topic_id: foreign
            references: id
            on: topic
            onDelete: cascade
            onUpdate: cascade        
      rate:
        type: number
        minimum: 3
        maximum: 9
        format: double

or in json:

"ArticleAttributes": {
    "description": "Article attributes description",
    "type": "object",
    "properties": {
        "title": {
            "type": "string",
            "required": true,
            "minLength": 16,
            "maxLength": 256
        },
        "description": {
            "required": true,
            "type": "string",
            "minLength": 32,
            "maxLength": 1024,
            "facets": {
                "spell_check": true,
                "spell_language": "en"
            }
        },
        "url": {
            "required": false,
            "type": "string",
            "minLength": 16,
            "maxLength": 255,
            "facets": {
                "index": {
                    "idx_url": "unique"
                }
            }
        },
        "show_in_top": {
            "description": "Show at the top of main page",
            "required": false,
            "type": "boolean"
        },
        "status": {
            "description": "The state of an article",
            "enum": [
                "draft",
                "published",
                "postponed",
                "archived"
            ],
            "facets": {
                "state_machine": {
                    "initial": [
                        "draft"
                    ],
                    "draft": [
                        "published"
                    ],
                    "published": [
                        "archived",
                        "postponed"
                    ],
                    "postponed": [
                        "published",
                        "archived"
                    ],
                    "archived": []
                }
            }
        },
        "topic_id": {
            "description": "ManyToOne Topic relationship",
            "required": true,
            "type": "integer",
            "minimum": 1,
            "maximum": 6,
            "facets": {
                "index": {
                    "idx_fk_topic_id": "foreign",
                    "references": "id",
                    "on": "topic",
                    "onDelete": "cascade",
                    "onUpdate": "cascade"
                }
            }
        },
        "rate": {
            "type": "number",
            "minimum": 3,
            "maximum": 9,
            "format": "double"
        },
        "date_posted": {
            "type": "date-only"
        },
        "time_to_live": {
            "type": "time-only"
        },
        "deleted_at": {
            "type": "datetime"
        }
    }
}

Relationships custom type definition semantics *Relationships

  TagRelationships:
    description: Tag relationship description
    type: object
    properties:
      data:
        type: DataArray
        items:
          type: RelationshipsDataItem

"TagRelationships": {
    "description": "Tag relationship description",
    "type": "object",
    "properties": {
        "data": {
            "type": "DataArray",
            "items": {
                "type": "RelationshipsDataItem"
            }
        }
    }
}

Complete composite Object looks like this:

  Article:
    type: object
    properties:
      type: Type
      id: ID
      attributes: ArticleAttributes
      relationships:
        type: TagRelationships[] | TopicRelationships

"Article": {
    "type": "object",
    "properties": {
        "type": "Type",
        "id": "SID",
        "attributes": "ArticleAttributes",
        "relationships": {
            "type": "TagRelationships[] | TopicRelationships"
        }
    }
}

That is all that api-generator needs to provide code structure that just works out-fo-the-box within Laravel framework, where may any business logic be applied.

To use multiple files processing add (as root element):

uses:
  topics: oas/openapi.yaml
  otherfile: oas/otherFile.yaml
  yetanother: oas/yetanother.yaml

all files will be generated as if they were one composite object.

To set default values for GET query parameters - set QueryParams like this:

  QueryParams:
    type: object
    properties:
      page:
        type: integer
        required: false
        default: 10
        description: page number
      limit:
        type: integer
        required: false
        default: 15
        description: elements per page
      sort:
        type: string
        required: false
        pattern: "asc|desc"
        default: "desc"
      access_token:
        type: string
        required: true
        example: db7329d5a3f381875ea6ce7e28fe1ea536d0acaf
        description: sha1 example
        default: db7329d5a3f381875ea6ce7e28fe1ea536d0acaf

it will be used on requests similar to: http://example.com/api/v1/article?include=tag where no params were passed.

Complete directory structure after generator will end up it`s work will be like:

Modules/{ModuleName}/Http/Controllers/ - contains Controllers that extends the DefaultController (descendant of Laravel's Controller)
Modules/{ModuleName}/Http/FormRequest/ - contains forms that extends the BaseFormRequest (descendant of Laravel's FormRequest) and validates input attributes (that were previously defined as *Attributes)
Modules/{ModuleName}/Entities/ - contains mappers that extends the BaseModel (descendant of Laravel's Model) and maps attributes to RDBMS
Modules/{ModuleName}/Routes/api.php - contains routings pointing to Controllers with JSON API protocol support
Modules/{ModuleName}/Database/Migrations/ - contains migrations created with option --migrations

Open API Docs generator

OAS *Controllers based documentation is generated out of the box, thus you don't need to create it manually let's see a couple examples:

All generated methods (when expanded) will look like this: There is no magic in it at all - just look into your generated controllers there are pre-generated annotations for every method e.g.:

<?php
namespace Modules\V3\Http\Controllers;

class ArticleController extends DefaultController 
{
    // >>>props>>>
    // <<<props<<<
    // >>>methods>>>
    /**
    * @OA\Get(
    *     path="/v3/article",
    *     summary="Get Articles ",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="query",
    *         name="include",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="page",
    *         required=false,
    *         @OA\Schema(
    *             type="integer",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="limit",
    *         required=false,
    *         @OA\Schema(
    *             type="integer",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="sort",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="data",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="filter",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="order_by",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Get(
    *     path="/v3/article/{id}",
    *     summary="Get Article",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="query",
    *         name="include",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="query",
    *         name="data",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Post(
    *     path="/v3/article",
    *     summary="Create Article",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="201",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Patch(
    *     path="/v3/article/{id}",
    *     summary="Update Article",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Delete(
    *     path="/v3/article/{id}",
    *     summary="Delete Article",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="204",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Get(
    *     path="/v3/article/{id}/{related}",
    *     summary="Get Article related objects",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="query",
    *         name="data",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="id",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="related",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Get(
    *     path="/v3/article/{id}/relationships/{relations}",
    *     summary="Get Article relations objects",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="query",
    *         name="data",
    *         required=false,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="id",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="relations",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Post(
    *     path="/v3/article/{id}/relationships/{relations}",
    *     summary="Create Article relation object",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="path",
    *         name="id",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="relations",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="201",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Patch(
    *     path="/v3/article/{id}/relationships/{relations}",
    *     summary="Update Article relation object",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="path",
    *         name="id",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="relations",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Delete(
    *     path="/v3/article/{id}/relationships/{relations}",
    *     summary="Delete Article relation object",
    *     tags={"ArticleController"},
    *     @OA\Parameter(
    *         in="path",
    *         name="id",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Parameter(
    *         in="path",
    *         name="relations",
    *         required=true,
    *         @OA\Schema(
    *             type="string",
    *         ),
    *     ),
    *     @OA\Response(
    *         response="204",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Post(
    *     path="/v3/article/bulk",
    *     summary="Create Article bulk",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="201",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Patch(
    *     path="/v3/article/bulk",
    *     summary="Update Article bulk",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="200",
    *         description="",
    *     ),
    * )
    */

    /**
    * @OA\Delete(
    *     path="/v3/article/bulk",
    *     summary="Delete Article bulk",
    *     tags={"ArticleController"},
    *     @OA\Response(
    *         response="204",
    *         description="",
    *     ),
    * )
    */

    // <<<methods<<<
}

Generated files content

Module Config

<?php
return [
    'name' => 'V1',
    'query_params'=> [
        'limit' => 15,
        'sort' => 'desc',
        'access_token' => 'db7329d5a3f381875ea6ce7e28fe1ea536d0acaf',
    ],
    'trees'=> [
        'menu' => true,
    ],
    'jwt'=> [
        'enabled' => true,
        'table' => 'user',
        'activate' => 30,
        'expires' => 3600,
    ],
    'state_machine'=> [
        'article'=> [
            'status'=> [
                'enabled' => true,
                'states'=> [
                    'initial' => ['draft'],
                    'draft' => ['published'],
                    'published' => ['archived', 'postponed'],
                    'postponed' => ['published', 'archived'],
                    'archived' => [''],
                ],
            ],
        ],
    ],
    'spell_check'=> [
        'article'=> [
            'description'=> [
                'enabled' => true,
                'language' => 'en',
            ],
        ],
    ],
    'bit_mask'=> [
        'user'=> [
            'permissions'=> [
                'enabled' => true,
                'hide_mask' => true,
                'flags'=> [
                'publisher' => 1,
                'editor' => 2,
                'manager' => 4,
                'photo_reporter' => 8,
                'admin' => 16,
                ],
            ],
        ],
    ],
    'cache'=> [
        'tag'=> [
            'enabled' => true,
            'stampede_xfetch' => false,
            'stampede_beta' => 1.1,
            'ttl' => 3600,
        ],
        'article'=> [
            'enabled' => true,
            'stampede_xfetch' => true,
            'stampede_beta' => 1.5,
            'ttl' => 300,
        ],
    ],    
];

Controllers

Entity controller example:

<?php
namespace Modules\V1\Http\Controllers;

class ArticleController extends DefaultController 
{
}

By default every controller works with any of GET - index/view, POST - create, PATCH - update, DELETE - delete methods. Thus you don't need to implement anything special here.

DefaultController example:

<?php
namespace Modules\V1\Http\Controllers;

use SoliDry\Extension\BaseController;

class DefaultController extends BaseController 
{
}

To provide developer-based (user-space) implementation of certain logic for all Controllers.

FormRequests

Validation BaseFormRequest example:

<?php
namespace Modules\V2\Http\Requests;

use SoliDry\Extension\BaseFormRequest;

class ArticleFormRequest extends BaseFormRequest 
{
    // >>>props>>>
    public $id = null;
    // Attributes
    public $title = null;
    public $description = null;
    public $url = null;
    public $show_in_top = null;
    public $status = null;
    public $topic_id = null;
    public $rate = null;
    public $date_posted = null;
    public $time_to_live = null;
    public $deleted_at = null;
    // <<<props<<<

    // >>>methods>>>
    public function authorize(): bool 
    {
        return true;
    }

    public function rules(): array 
    {
        return [
            'title' => 'required|string|min:16|max:256|',
            'description' => 'required|string|min:32|max:1024|',
            'url' => 'string|min:16|max:255|',
                // Show at the top of main page
            'show_in_top' => 'boolean',
                // The state of an article
            'status' => 'in:draft,published,postponed,archived|',
                // ManyToOne Topic relationship
            'topic_id' => 'required|integer|min:1|max:6|',
            'rate' => '|min:3|max:9|',
            'date_posted' => '',
            'time_to_live' => '',
            'deleted_at' => '',
        ];
    }

    public function relations(): array 
    {
        return [
            'tag',
            'topic',
        ];
    }
    // <<<methods<<<
}

Models

BaseModel example:

<?php
namespace Modules\V2\Entities;

use Illuminate\Database\Eloquent\SoftDeletes;
use SoliDry\Extension\BaseModel;

class Article extends BaseModel 
{
    use SoftDeletes;

    // >>>props>>>
    protected $dates = ['deleted_at'];
    protected $primaryKey = 'id';
    protected $table = 'article';
    public $timestamps = false;
    public $incrementing = false;
    // <<<props<<<
    // >>>methods>>>

    public function tag() 
    {
        return $this->belongsToMany(Tag::class, 'tag_article');
    }
    public function topic() 
    {
        return $this->belongsTo(Topic::class);
    }
    // <<<methods<<<
}

Routes

Routes will be created in /Modules/{ModuleName}/Routes/api.php file, for every entity defined in yaml:

// >>>routes>>>
// Article routes
Route::group(['prefix' => 'v2', 'namespace' => 'Modules\\V2\\Http\\Controllers'], function()
{
    // bulk routes
    Route::post('/article/bulk', 'ArticleController@createBulk');
    Route::patch('/article/bulk', 'ArticleController@updateBulk');
    Route::delete('/article/bulk', 'ArticleController@deleteBulk');
    // basic routes
    Route::get('/article', 'ArticleController@index');
    Route::get('/article/{id}', 'ArticleController@view');
    Route::post('/article', 'ArticleController@create');
    Route::patch('/article/{id}', 'ArticleController@update');
    Route::delete('/article/{id}', 'ArticleController@delete');
    // relation routes
    Route::get('/article/relationships/{relations}', 'ArticleController@relations');
    Route::post('/article/relationships/{relations}', 'ArticleController@createRelations');
    Route::patch('/article/relationships/{relations}', 'ArticleController@updateRelations');
    Route::delete('/article/relationships/{relations}', 'ArticleController@deleteRelations');
});
// <<<routes<<<

As you may noticed there are relationships api-calls and bulk Extension batch queries support.

Migrations

Generated migrations will look like standard migrations in Laravel:

<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateArticleTable extends Migration 
{
    public function up() 
    {
        Schema::create('article', function(Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('title', 256);
            $table->index('title', 'idx_title');
            $table->string('description', 1024);
            $table->string('url', 255);
            $table->unique('url', 'idx_url');
            // Show at the top of main page
            $table->unsignedTinyInteger('show_in_top');
            $table->enum('status', ["draft","published","postponed","archived"]);
            // ManyToOne Topic relationship
            $table->unsignedInteger('topic_id');
            $table->foreign('topic_id', 'idx_fk_topic_id')->references('id')->on('topic')->onDelete('cascade')->onUpdate('cascade');
            $table->timestamps();
        });
    }

    public function down() 
    {
        Schema::dropIfExists('article');
    }

}

Note, that U have an ability to make any ranges for varchar, integer types through minLength/maxLength and minimum/maximum respectively. For instance, integer can be set to unsigned smallint with minimum: 1 (any number > 0) and maximum: 2 (any number <= 3 to fit smallint db type range).

If double/float types used, then maximum goes for display length (or M) and minimum for precision (or D) in SQL e.g.: DOUBLE(M, D)

All migrations for specific module will be placed in Modules/{ModuleName}/Database/Migrations/

To execute them all - run: php artisan module:migrate

Also worth to mention - Laravel uses table_id convention to link tables via foreign key. So U can either follow the default - add to yaml an id that matches to the table name (just like in example: topic_id -> in article table for topic table id, see ArticleAttributes in OAS Types and Declarations) or make your own foreign key and add it to hasMany/belongsTo -> $foreignKey parameter in generated BaseModel entity.

Additionally, to specify index for particular column you can add a facets property like this:

    # regular index
    facets:
      index:
        idx_title: index            
        
    # unique key    
    facets:
      index:
        idx_url: unique             
        
    # foreign key
    facets:
      index:
        idx_fk_topic_id: foreign
        references: id
        on: topic
        onDelete: cascade
        onUpdate: cascade

to existing columns.

However, there are situations where you have to create composite indices:

      last_name:
        required: false
        type: string
        minLength: 16
        maxLength: 256
        facets:
          composite_index:
            index: ['first_name', 'last_name'] # can be unique, primary

an example for foreign key would be like:

    facets:
      composite_index:
        foreign: ['first_column', 'second_column'] 
        references: ['first_column', 'second_column']
        on: first_second
        onDelete: cascade
        onUpdate: cascade

Tests

To provide convenient way for integration/functional testing, one can generate tests by providing --tests command option, e.g.:

php artisan api:generate oas/openapi.yaml --migrations --tests

in command output you'll see the following files have been created:

tests/functional/ArticleCest.php created
...
tests/functional/TagCest.php created

For more info on how to set an environment for functional tests in Laravel - see https://codeception.com/for/laravel

Relationships particular qualities

To let generator know about what a particular relationship to apply (ex.: ManyToMany, OneToMany, OneToOne) set the relationships property in an Entity like so - for ex. let's see how to set ManyToOne relationship between Article and Tag entities.

Define Article with relationships like:

relationships:
  type: TagRelationships[]

and Tag with relationships like:

relationships:
  type: ArticleRelationships

This way you telling to generator: "make the relation between Article and Tag OneToMany from Article to Tag" The idea works with any relationship you need - ex. ManyToMany: TagRelationships[] -> ArticleRelationships[], OneToOne: TagRelationships -> ArticleRelationships

You can also bind several relationships to one entity, for instance - you have an Article entity that must be bound to TagRelationships and TopicRelationships, this can be done similar to:

relationships:
    type: TagRelationships[] | TopicRelationships

or vise versa

relationships:
    type: TopicRelationships | TagRelationships[]

Generator will independently detect all relationships between entities.

Query parameters

You may want to use additional query parameters to fetch includes and/or pagination, for instance:

http://example.com/api/v1/article?include=tag,topic&page=2&limit=10&sort=asc

You may not wish to drag all the attributes/fields:

http://example.com/api/v1/article/1?include=tag&data=["title", "description"]

Note: data array items MUST be set in double quotes.

or you may want to ORDER BY several columns in different directions:

http://example.com/api/v1/article?include=tag&order_by={"title":"asc", "created_at":"desc"}

Also, you have an ability to filter results this way:

http://example.com/api/v1/article?include=tag&filter=[["updated_at", ">", "2017-01-03 12:13:13"], ["updated_at", "<", "2017-01-03 12:13:15"]]

those arrays will be put to Laravel where clause and accordingly protected by param bindings.

The dynamic module name similar to: v1, v2 - will be taken on runtime as the last element of the array in config/module.php file, if you, by strange circumstances, want to use one of the previous modules, just set one of previously registered modules as the last element of an array.

An example of auto-generated config/module.php:

<?php
return [
    'modules'=> [
        'v1',
    ]
];

To get configuration parameters at runtime generator will create content in Modules/{ModuleName}/Config/config.php file:

<?php
return [
    'name'=>'V1',
    'query_params'=> [
        // default settings
        'limit' => 15,
        'sort' => 'desc',
        // access token to check via global FormRequest
        'access_token' => 'db7329d5a3f381875ea6ce7e28fe1ea536d0acaf',
    ],
];

Bulk Extension

Multiple resources can be created by sending a POST request to a URL that represents a collection of resources.

POST /photos
Content-Type: application/vnd.api+json; ext=bulk
Accept: application/vnd.api+json; ext=bulk

{
  "data": [{
    "type": "photos",
    "title": "Ember Hamster",
    "src": "http://example.com/images/productivity.png"
  }, {
    "type": "photos",
    "title": "Mustaches on a Stick",
    "src": "http://example.com/images/mustaches.png"
  }]
}

Multiple resources can be updated by sending a PATCH request to a URL that represents a collection of resources to which they all belong.

PATCH /articles
Content-Type: application/vnd.api+json; ext=bulk
Accept: application/vnd.api+json; ext=bulk

{
  "data": [{
    "type": "articles",
    "id": "1",
    "title": "To TDD or Not"
  }, {
    "type": "articles",
    "id": "2",
    "title": "To cache or not"
  }]
}

Multiple resources can be deleted by sending a DELETE request to a URL that represents a collection of resources to which they all belong.

DELETE /articles
Content-Type: application/vnd.api+json; ext=bulk
Accept: application/vnd.api+json; ext=bulk

{
  "data": [
    { "type": "articles", "id": "1" },
    { "type": "articles", "id": "2" }
  ]
}

A request completely succeed or fail (in a single "transaction").

Therefore, any request that involves multiple operations only succeed if all operations are performed successfully. The state of the server will not be changed by a request if any individual operation fails.

Security

Static access token

In QueryParams you can declare the access_token property, that will be placed to Modules/{ModuleName}/Config/config.php. Generator will create Modules\{ModuleName}\Http\Requests\ApiAccessToken.php FormRequest.

To activate this check on every request - add ApiAccessToken FormRequest to app/Http/Kernel.php, ex.:

class Kernel extends HttpKernel
{
    /**
     * The application's global HTTP middleware stack.
     *
     * These middleware are run during every request to your application.
     *
     * @var array
     */
    protected $middleware = [
        \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
        \Modules\V2\Http\Requests\ApiAccessToken::class,
    ];

Generated configuration part:

    'query_params'=> [
        'limit' => 15,
        'sort' => 'desc',
        'access_token' => 'db7329d5a3f381875ea6ce7e28fe1ea536d0acaf',
    ],

JWT (Json Web Token)

To support a JWT check, you need to add to any users, employees, customers like table the jwt and password properties:

  password:
    description: user password to refresh JWT (encrypted with password_hash)
    required: true
    type: string
    maxLength: 255
  jwt:
    description: Special field to run JWT Auth via requests
    required: true
    type: string
    minLength: 256
    maxLength: 512
    default: ' '

The maxLength parameter is important, because of varchar-type sql field will be created with length 512.

The default value should be equal precisely ' ' - empty string with space.

JWT specific configuration will be appended by generator in Modules/{ModuleName}/Config/config.php:

    'jwt'=> [
        'enabled' => true,
        'table' => 'user',
        'activate' => 30,
        'expires' => 3600,
    ],

U can change those activate and expires time settings as needed.

To protect key verification in JWT token - place JWT_SECRET variable to .env configuration file with secret key value assigned (secret can be any string at any length, but be wise to use strong one, ex.: hashed with sha1/sha2 etc).

Then put the value to global configuration file config/app.php, we need this to apply best practices for caching configs environment.

'jwt_secret'     => env('JWT_SECRET', 'secret'),

As for any standard Laravel middleware register it in app/Http/Kernel.php :

    /**
     * The application's route middleware.
     *
     * These middleware may be assigned to groups or used individually.
     *
     * @var array
     */
    protected $routeMiddleware = [
        'jwt' => \SoliDry\Extension\BaseJwt::class,

And just use this middleware in any requests u need defining it in Modules/{ModuleName}/Routes/api.php, ex:

To declare JWT check only for one specific route:

Route::get('/article', 'ArticleController@index')->middleware('jwt');

To declare JWT check for routes group:

Route::group(['middleware' => 'jwt',

JWT will be created on POST and updated on PATCH request to the entity you've been created, for instance, if you send POST request to http://example.com/api/v1/user with the following content:

{
  "data": {
    "type":"user",
    "attributes": {
      "first_name":"Alice",
      "last_name":"Hacker",
      "password":"my123Password"
    }
  }
}

Response will be similar to:

{
  "data": {
    "type": "user",
    "id": "7",
    "attributes": {
      "first_name": "Alice",
      "last_name": "Hacker",
      "password": null,
      "jwt": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiIsImp0aSI6IjU4ODljOGY2NzE3YjIifQ.eyJpc3MiOiJsYXJhdmVsLmxvYyIsImF1ZCI6ImxhcmF2ZWwubG9jIiwianRpIjoiNTg4OWM4ZjY3MTdiMiIsImlhdCI6MTQ4NTQyNDg4NiwibmJmIjoxNDg1NDI0OTE2LCJleHAiOjE0ODU0Mjg0ODYsInVpZCI6N30.JnC7OhlUIBoMTlu617q0q2nCQ4SqKh19bXtiHfBeg9o",
      "attributes": null,
      "request": null,
      "query": null,
      "server": null,
      "files": null,
      "cookies": null,
      "headers": null
    },
    "links": {
      "self": "laravel.loc/user/7"
    }
  }
}

Note if JWT enabled=true, password will be hashed with password_hash and saved to password field internally. Do not bother with "password": null, attribute it is unset before output for safety. You can add additional checks on password or other fields ex.: length, strength etc in Model on befor/afterSave events.

An example for JWT refresh - http://example.com/api/v1/user/4:

{
  "data": {
    "type":"user",
    "attributes": {
    	"password":"myPassword123",
    	"jwt":true
    }
  }
}

Note that password and jwt set to true are required.

Response:

{
  "data": {
    "type": "user",
    "id": "4",
    "attributes": {
      "first_name": "Alice",
      "last_name": "Hacker",
      "jwt": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiIsImp0aSI6IjU4ODcwNGU1NTRjNzkifQ.eyJpc3MiOiJsYXJhdmVsLmxvYyIsImF1ZCI6ImxhcmF2ZWwubG9jIiwianRpIjoiNTg4NzA0ZTU1NGM3OSIsImlhdCI6MTQ4NTI0MzYyMSwibmJmIjoxNDg1MjQzNjUxLCJleHAiOjE0ODUyNDcyMjEsInVpZCI6NH0.GD96ewc1dhbpz9grNaE2070Qy30Mqkh3B0VpEb7h3mQ",
      ...

Regular request with JWT will look like:

http://example.com/api/v1/article?include=tag&jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiIsImp0aSI6IjU4ODVmYmM0NjUyN2MifQ.eyJpc3MiOiJsYXJhdmVsLmxvYyIsImF1ZCI6ImxhcmF2ZWwubG9jIiwianRpIjoiNTg4NWZiYzQ2NTI3YyIsImlhdCI6MTQ4NTE3NTc0OCwibmJmIjoxNDg1MTc1ODA4LCJleHAiOjE0ODUxNzkzNDgsInVpZCI6M30.js5_Fe5tFDfeK88KJJpSEpVO6rYBOG0UFAaVvlYYxcw

The algorithm to sign the token is HS256, it can be changed in future releases with additional user-defined options to let developers choose another. However, HMAC SHA-256 is the most popular these days.

Caching

API ships with caching ability (via Redis) out of the box, the only thing you need to do is to declare cache settings:

  Redis:
    type: object

and set the cache property in any custom entity, for instance:

  Article:
    type: object
    properties:
      ...
      cache:
        type: Redis
        properties:
          stampede_xfetch:
            type: boolean
            default: true
          stampede_beta:
            type: number
            default: 1.5
          ttl:
            type: integer
            default: 300

one can set multiple instances of Redis servers, if they have clusters or replica-set.

Another option is to make your services resistant to Cache Stampede (or dog-piling) by applying corresponding stampede properties to cache entity, stampede_xfetch turns on the xfetch implementation and stampede_beta should be 0.5<=beta<=2.0 (where > 1.0 schedule a recompute earlier, < 1.0 schedule a recompute later), ttl property is also required in this case.

Generated config output will look similar to:

'cache'=> [
    'article'=> [
        'enabled' => true,
        'stampede_xfetch' => true,
        'stampede_beta' => 1.5,
        'ttl' => 300,
    ],
],

All specific settings including host/port/password, replication, clusters etc can be easily configured via Laravel standard Redis cache settings. Read more on this here - Redis Laravel configuration

After cache settings configured - index and view requests (ex.: /api/v1/article/1?include=tag&data=["title", "description"] or /api/v1/article?include=tag&filter=...) will put resulting data into cache with hashed key of a specified uri, thus providing a unique key=value storage mechanism.

In Redis db instance you'll see serialized objects with keys like:

index:fa006676687269b5d1b12583ac1a8b64
...
view:f2d62a3c2003dcc0d89ef7d6746b6444

Soft Delete

When models are soft deleted, they are not actually removed from your database. Instead, a deleted_at attribute is set on the model and inserted into the database. If a model has a non-null deleted_at value, the model has been soft deleted.

To enable soft deletes for a model just add deleted_at property on any custom type you need, ex.:

  ArticleAttributes:
    description: Article attributes description
    type: object
    properties:
      ...
      deleted_at:
        type: datetime

Special generated properties/traits will appear for the specified types in Entities/ folder, also related migration field will be created.

Model example:

<?php
namespace Modules\V2\Entities;

use Illuminate\Database\Eloquent\SoftDeletes;
use SoliDry\Extension\BaseModel;

class Article extends BaseModel 
{
    use SoftDeletes;

    // >>>props>>>
    protected $dates = ['deleted_at'];
    // ...
}

Migration example:

<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateArticleTable extends Migration 
{
    public function up() 
    {
        Schema::create('article', function(Blueprint $table) {
            // ...
            $table->softDeletes();
            // ...
        });
    }
    // ...
}

It will be then automatically applied for delete requests and models won't be collected for view/index.

Turn off JSON API support

If you are willing to disable json api specification mappings into Laravel application (for instance - you need to generate MVC-structure into laravel-module and make your own json schema, or any other output format), just set $jsonApi property in DefaultController to false:

<?php
namespace Modules\V1\Http\Controllers;

use SoliDry\Extension\BaseController;

class DefaultController extends BaseController 
{
    protected $jsonApi = false;
}

As this class inherited by all Controllers - you don't have to add this property in every Controller class. By default JSON API is turned on.

Tree structures

You can easily build a tree structure by declaring it as Trees custom type:

  Trees:
    type: object
    properties:
      menu:
        type: boolean
        default: true
      catalog:
        type: boolean
        default: false

and adding parent_id to the targeted table, ex.:

  MenuAttributes:
    type: object
    properties:
      title:
        required: true
        type: string
      rfc:
        type: string
        default: /
      parent_id:
        description: mandatory field for building trees
        type: integer
        minimum: 9
        maximum: 10
        default: 0

the entire tree will be placed in meta json-api root element, while all the parent elements (stored as parent_id=0) will reside in data root element. This was done to keep steady json-api structure and it's relations.

Meta data response example:

  "meta": {
    "menu_tree": [
      {
        "id": 1,
        "title": "ttl1",
        "rfc": "/",
        "parent_id": 0,
        "created_at": null,
        "updated_at": null,
        "children": [
          {
            "id": 3,
            "title": "ttl21",
            "rfc": "/",
            "parent_id": 1,
            "created_at": null,
            "updated_at": null,
            "children": []
          },
          {
            "id": 2,
            "title": "ttl2",
            "rfc": "/",
            "parent_id": 1,
            "created_at": null,
            "updated_at": null,
            "children": [
              {
                "id": 4,
                "title": "ttl3",
                "rfc": "/",
                "parent_id": 2,
                "created_at": null,
                "updated_at": null,
                "children": []
              }
            ]
          }
        ]
      }
    ]
  }

Children elements stuck in every parent's children property array and it is empty if there are none.

To get a sub-trees of a top most ancestors - simply execute GET request for the item, ex.: http://example.com/api/v1/menu/1. See wiki page for real-world examples with Postman.

Finite-state machine

To add finite-state machine to a field(column) of an entity(table) - add definition into your OAS file like this:

      status:
        description: The state of an article
        enum: ["draft", "published", "postponed", "archived"]
        facets:
          state_machine:
            initial: ['draft']
            draft: ['published']
            published: ['archived', 'postponed']
            postponed: ['published', 'archived']
            archived: []

The only required particular item in state_machine declaration is an initial value of state machine.

After generation process will pass, you'll get the following content in config.php:

    'state_machine'=> [
        'article'=> [
            'status'=> [
                'enabled'=>true,
                'states'=> [
                    'initial' => ['draft'],
                    'draft' => ['published'],
                    'published' => ['archived', 'postponed'],
                    'postponed' => ['published', 'archived'],
                    'archived' => [''],
                ],
            ],
        ],
    ],

It will be processed on POST and PATCH requests respectively. You can easily disable state machine by setting enabled to false. There is an ability to add state machines in different tables.

Spell check

Installation

The spell checking functionality provided by robust and versatile linux library GNU aspell and it's dictionaries as extension for PHP.

To install an extension for Linux (ex.: Ubuntu):

apt-get install php-pspell

To install an additional language db run:

apt-get install aspell-fr

Usage

You may want to set spell check on particular field/column:

      description:
        required: true
        type: string
        minLength: 32
        maxLength: 1024
        facets:
          spell_check: true
          spell_language: en

Generator output in Modules/{VersionName}/Config/config.php will look like this:

    'spell_check'=> [
        'article'=> [
            'description'=> [
                'enabled'=>true,
                'language' => 'en',
            ],
        ],
    ],

As in other settings - spell check can be disabled with enabled set to false. If there is no info preset about language - the en will be used as default value.

In responses from methods POST/PATCH (create/update) you'll get the meta content back with filled array of failed checks in it:

{
  "data": {
    "type": "article",
    "id": "21",
    "attributes": {
      "title": "Quick brown fox",
      "description": "The quick brovn fox jumped ower the lazy dogg",
      "url": "http://example.com/articles/21/tags",
      "show_in_top": "0",
      "status": "draft"
    },
    "links": {
      "self": "example.com/article/21"
    }
  },
  "meta": {
    "spell_check": {
      "description": [
        "brovn",
        "ower",
        "dogg"
      ]
    }
  }
}

Bit Mask

To use bit mask with automatic flags fragmentation/defragmentation you can define additional facets to an integer field like this:

  permissions:
    type: integer
    required: false
    maximum: 20
    facets:
      bit_mask:
        publisher: 1
        editor: 2
        manager: 4
        photo_reporter: 8
        admin: 16

thus the config entity bit_mask will be generated and used on runtime within requests to process data.

Generated config snippet:

'bit_mask'=> [
    'user'=> [
        'permissions'=> [
            'enabled' => true,
            'flags'=> [
                'publisher' => 1,
                'editor' => 2,
                'manager' => 4,
                'photo_reporter' => 8,
                'admin' => 16,
            ],
        ],
    ],
],

And the request/response will be:

{
  "data": {
    "type":"user",
    "attributes": {
        "publisher": false,
        "editor": true,
        "manager": false,
        "photo_reporter": true,
        "admin": true    	
    }
  }
}

{
  "data": {
    "type": "user",
    "id": "1",
    "attributes": {
        "first_name": "Alice",
        "last_name": "Hacker",
        "permissions": 26,
        "publisher": false,
        "editor": true,
        "manager": false,
        "photo_reporter": true,
        "admin": true,

Recall that U can always hide ex.: permissions field in index/view GET requests if U'd like.

Custom SQL

If by any reason you need to use custom sql query - just define it in Modules/V1/Config/config.php:

    'custom_sql'    => [
        'article' => [
            'enabled' => true,
            'query'   => 'SELECT id, title FROM article a INNER JOIN tag_article ta ON ta.article_id=a.id 
                          WHERE ta.tag_id IN (
                          SELECT id FROM tag WHERE CHAR_LENGTH(title) > :tag_len
                          ) ORDER BY a.id DESC',
            'bindings' => [
                'tag_len' => 5,
            ]
        ],
    ],

as U can see there are query, bindings (where has been passed a secured param-bound values) and enabled parameters for desired entity. Custom sql query will be executed only for index API method, so if U need ex. delete or update specific extra rows - call those methods with previously selected ids.

Don't forget to add Laravel specific $fillable or $guarded array to let fill-in the object (mass-assignment rule) ex.::

    protected $fillable = [
        'id',
        'title'
    ];

Note: you need an id field to be present, because of json-api serializer.

Custom business logic

You can add any business logic you need, the best place for your custom-code is in pre-generated controllers ex.: to add specific sanitizers on fields for ArticleController and modified output you can override create method like this:

<?php
namespace Modules\V1\Http\Controllers;

use Illuminate\Http\Request;

class ArticleController extends DefaultController
{
    public function create(Request $request)
    {
        // any business logic here for input pre-processing data
        parent::create($request);
        // any business logic here for output pre-processing data
    }
}

There can be situations where you need to add workaround in particular method or init logic for all requests of that type index/view/create/update/delete, it can be easily achieved by placing code in DefaultController the same way it is for any other Controllers. The inheritance model made specifically for those purposes will gracefully perform any ops before/after etc. For instance:

<?php
namespace Modules\V1\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Routing\Route;
use SoliDry\Extension\BaseController;

class DefaultController extends BaseController 
{
    public function __construct(Route $route)
    {
        // specific code before init 
        parent::__construct($route);
        // specific code after init 
    }
    
    public function index(Request $request)
    {
        // specific code before index execution
        parent::index($request); 
        // specific code after index execution
    }
}

As u may noticed there is an access to either Route and Request properties.
In next chapter you'll know how to place custom code in Models/FormRequest preserving it from code regeneration override.

Regeneration

It is an important feature to regenerate your code based on generated history types and the current state of OpenApi document, which can be easily achieved by running:

  php artisan api:generate oas/openapi.yaml --migrations --regenerate --merge=last

This command will merge the last state/snapshot of document from .gen directory and the current document (in this case from oas/openapi.yaml), then creates files for models and FormRequest, merging it with user added content between generated props and methods. Moreover, it will add the new columns to newly created migration files with their indices.

Controller state:

<?php
namespace Modules\V2\Http\Controllers;

class ArticleController extends DefaultController 
{
    private $prop = 'foo';

    // >>>props>>>
    // <<<props<<<
    
    public function myMethod()
    {
        return true;
    }
}

Example of regenerated FormRequest:

<?php
namespace Modules\V2\Http\Requests;

use SoliDry\Extension\BaseFormRequest;

class TagFormRequest extends BaseFormRequest
{
    public $userPropOne = true;
    // >>>props>>>
    public $id = null;
    // Attributes
    public $title = null;
    // <<<props<<<
    public $userPropTwo = 123;


    public function userDefinedMethod(): int
    {
        return 1;
    }

    // >>>methods>>>
    public function authorize(): bool 
    {
        return true;
    }

    public function rules(): array 
    {
        return [
            "title" => "string|required|min:3",
        ];
    }

    public function relations(): array 
    {
        return [
            "article",
        ];
    }
    // <<<methods<<<

    public function anotherUserDefinedMethod(): bool
    {
        return false;
    }
}

As you can see all user content was preserved and merged with regenerated. Custom business logic content saves it's state when --regenerate option is present, either with or without other options.

The same is true for Eloquent model:

<?php
namespace Modules\V1\Entities;

use SoliDry\Extension\BaseModel;

class Article extends BaseModel 
{
    public $userPropOne = true;
    // >>>props>>>
    protected $primaryKey = "id";
    protected $table = "article";
    public $timestamps = false;
    // <<<props<<<
    public $userPropTwo = 123;

    public function userDefinedMethod(): int
    {
        return 1;
    }

    // >>>methods>>>

    public function tag() 
    {
        return $this->belongsToMany(Tag::class, 'tag_article');
    }
    public function topic() 
    {
        return $this->belongsTo(Topic::class);
    }
    // <<<methods<<<

    public function anotherUserDefinedMethod(): bool
    {
        return false;
    }
}

Example of regenerated migration:

<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddColumnLastNameToUser extends Migration 
{
    public function up() 
    {
        Schema::table('user', function(Blueprint $table) {
            $table->string('last_name', 256);
            $table->index(['first_name', 'last_name']);
            $table->unsignedBigInteger('permissions');
        });
    }

    public function down() 
    {
        Schema::table('user', function(Blueprint $table) {
            $table->dropColumn('last_name');
            $table->dropColumn('permissions');
        });
    }

}

If you don't want to save history on every run add --no-history option.

There are also more things you can do, about rewinding history:

by passing option like this --merge=9 generator will get back for 9 steps
--merge="2017-07-29 11:35:32" generator gets to the concrete files by time in history

Although, if you need to totally rollback the state of a system - use --rollback option, with the same keys as in merge.

==== Infection code coverage ====

Metrics:

 Mutation Score Indicator (MSI): 81%
 Mutation Code Coverage: 86%
 Covered Code MSI: 93%

==========

HTTP request/response examples can be found on WiKi page - https://github.com/SoliDry/api-generator/wiki

Laravel project example with generated files can be found here - https://github.com/SoliDry/laravel-api

To get deep-into Open API specification - https://swagger.io/specification/

To get deep-into JSON-API specification - http://jsonapi.org/format/ JSON-API support is provided, particularly for output, by Fractal package - http://fractal.thephpleague.com/

Happy coding ;-)

PS The purpose of this repo is to prevent doing the same things over and over again, expecting different results. (Thx to Albert Einstein)

Supporters gratitude:

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src		src
tests		tests
.gitattributes		.gitattributes
.gitignore		.gitignore
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
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composer.json		composer.json
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