PHP code example of tsingsun / yii2-graphql

1. Go to this page and download the library: Download tsingsun/yii2-graphql library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

tsingsun / yii2-graphql example snippets


//...
'id' => [
    'type' => Type::id(),
],
//...

//...
'id' => Type::id(),
//...

'components' => [
    'request' => [
        'parsers' => [
            'application/json' => 'yii\web\JsonParser',
        ],
    ],
];

class MyModule extends \yii\base\Module
{
    use \yii\graphql\GraphQLModuleTrait;
}

'modules'=>[
    'moduleName ' => [
        'class' => 'path\to\module'
        //graphql config
        'schema' => [
            'query' => [
                'user' => 'app\graphql\query\UsersQuery'
            ],
            'mutation' => [
                'login'
            ],
            // you do not need to set the types if your query contains interfaces or fragments
            // the key must same as your defined class
            'types' => [
                'Story' => 'yiiunit\extensions\graphql\objects\types\StoryType'
            ],
        ],
    ],
];

class MyController extends Controller
{
   function actions() {
       return [
            'index'=>[
                'class'=>'yii\graphql\GraphQLAction'
            ],
       ];
   }
}

'components'=>[
    'componentsName' => [
        'class' => 'path\to\components'
        //graphql config
        'schema' => [
            'query' => [
                'user' => 'app\graphql\query\UsersQuery'
            ],
            'mutation' => [
                'login'
            ],
            // you do not need to set the types if your query contains interfaces or fragments
            // the key must same as your defined class
            'types'=>[
                'Story'=>'yiiunit\extensions\graphql\objects\types\StoryType'
            ],
        ],
    ],
];

public function rules() {
    return [
        ['password','boolean']
    ];
}

function behaviors() {
    return [
        'authenticator'=>[
            'class' => 'yii\graphql\filter\auth\CompositeAuth',
            'authMethods' => [
                \yii\filters\auth\QueryParamAuth::className(),
            ],
            'except' => ['hello']
        ],
    ];
}

class GraphqlController extends Controller
{
    public function actions() {
        return [
            'index' => [
                'class' => 'yii\graphql\GraphQLAction',
                'checkAccess'=> [$this,'checkAccess'],
            ]
        ];
    }

    /**
     * authorization
     * @param $actionName
     * @throws yii\web\ForbiddenHttpException
     */
    public function checkAccess($actionName) {
        $permissionName = $this->module->id . '/' . $actionName;
        $pass = Yii::$app->getAuthManager()->checkAccess(Yii::$app->user->id,$permissionName);
        if (!$pass){
            throw new yii\web\ForbiddenHttpException('Access Denied');
        }
    }
}

class UserQuery extends GraphQLQuery
{
    public function type() {
        return GraphQL::type(UserType::class);
    }

    public function args() {
        return [
            'id'=>[
                'type' => Type::nonNull(Type::id())
            ],
        ];
    }

    public function resolve($value, $args, $context, ResolveInfo $info) {
        return DataSource::findUser($args['id']);
    }


}


class UserType extends GraphQLType
{
    protected $attributes = [
        'name'=>'user',
        'description'=>'user is user'
    ];

    public function fields()
    {
        $result = [
            'id' => ['type'=>Type::id()],
            'email' => Types::email(),
            'email2' => Types::email(),
            'photo' => [
                'type' => GraphQL::type(ImageType::class),
                'description' => 'User photo URL',
                'args' => [
                    'size' => Type::nonNull(GraphQL::type(ImageSizeEnumType::class)),
                ]
            ],
            'firstName' => [
                'type' => Type::string(),
            ],
            'lastName' => [
                'type' => Type::string(),
            ],
            'lastStoryPosted' => GraphQL::type(StoryType::class),
            'fieldWithError' => [
                'type' => Type::string(),
                'resolve' => function() {
                    throw new \Exception("This is error field");
                }
            ]
        ];
        return $result;
    }

    public function resolvePhotoField(User $user,$args){
        return DataSource::getUserPhoto($user->id, $args['size']);
    }

    public function resolveIdField(User $user, $args)
    {
        return $user->id.'test';
    }

    public function resolveEmail2Field(User $user, $args)
    {
        return $user->email2.'test';
    }


}

'hello' =>  "
        query hello{hello}
    ",

    'singleObject' =>  "
        query user {
            user(id:\"2\") {
                id
                email
                email2
                photo(size:ICON){
                    id
                    url
                }
                firstName
                lastName

            }
        }
    ",
    'multiObject' =>  "
        query multiObject {
            user(id: \"2\") {
                id
                email
                photo(size:ICON){
                    id
                    url
                }
            }
            stories(after: \"1\") {
                id
                author{
                    id
                }
                body
            }
        }
    ",
    'updateObject' =>  "
        mutation updateUserPwd{
            updateUserPwd(id: \"1001\", password: \"123456\") {
                id,
                username
            }
        }
    "

'modules'=>[
    'moduleName' => [
       'class' => 'path\to\module'
       'errorFormatter' => ['yii\graphql\ErrorFormatter', 'formatError'],
    ],
];