MarcinOrlowski / laravel-api-response-builder

src/ApiCodesHelpers.php

Spacing +1 added lines, -1 removed lines

@@ -112,7 +112,7 @@
 
         $map = static::getMap();
 
-        return $map[ $api_code ] ?? null;
+        return $map[$api_code] ?? null;
     }
 
     /**

Indentation +120 added lines, -120 removed lines

@@ -21,125 +21,125 @@
  */
 trait ApiCodesHelpers
 {
-    /**
-     * Returns lowest allowed error code for this module
-     *
-     * @return integer
-     *
-     * @throws \RuntimeException Throws exception if no min_code set up
-     */
-    public static function getMinCode(): int
-    {
-        $key = ResponseBuilder::CONF_KEY_MIN_CODE;
-        $min_code = Config::get($key, null);
-
-        if ($min_code === null) {
-            throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', $key));
-        }
-
-        return $min_code;
-    }
-
-    /**
-     * Returns highest allowed error code for this module
-     *
-     * @return integer
-     *
-     * @throws \RuntimeException Throws exception if no max_code set up
-     */
-    public static function getMaxCode(): int
-    {
-        $key = ResponseBuilder::CONF_KEY_MAX_CODE;
-        $max_code = Config::get($key, null);
-
-        if ($max_code === null) {
-            throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', $key));
-        }
-
-        return $max_code;
-    }
-
-    /**
-     * Returns array of error code constants defined in this class. Used mainly for debugging/tests
-     *
-     * @return array
-     * @throws \ReflectionException
-     */
-    public static function getApiCodeConstants(): array
-    {
-        /** @noinspection PhpUnhandledExceptionInspection */
-        return (new \ReflectionClass(static::class))->getConstants();
-    }
-
-    /**
-     * Returns complete error code to locale string mapping array
-     *
-     * @return array
-     *
-     * @throws \RuntimeException Thrown when builder map is not configured.
-     */
-    public static function getMap(): array
-    {
-        $user_map = Config::get(ResponseBuilder::CONF_KEY_MAP, null);
-        if ($user_map === null) {
-            throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', ResponseBuilder::CONF_KEY_MAP));
-        }
-        if (!is_array($user_map)) {
-            throw new \RuntimeException(sprintf('CONFIG: "%s" must be an array', ResponseBuilder::CONF_KEY_MAP));
-        }
-        return Util::mergeConfig(BaseApiCodes::getBaseMap(), $user_map);
-    }
-
-    /**
-     * Returns locale mappings key for given api code or @null if there's no mapping
-     *
-     * @param integer $api_code Api code to look for mapped message for.
-     *
-     * @return string|null
-     *
-     * @throws \InvalidArgumentException If $code is not in allowed range.
-     */
-    public static function getCodeMessageKey(int $api_code): ?string
-    {
-        if (!static::isCodeValid($api_code)) {
-            $min = static::getMinCode();
-            $max = static::getMaxCode();
-            throw new \InvalidArgumentException("API code value ({$api_code}) is out of allowed range {$min}-{$max}");
-        }
-
-        $map = static::getMap();
-
-        return $map[ $api_code ] ?? null;
-    }
-
-    /**
-     * Checks if given API $code can be used in current configuration.
-     *
-     * @param int $code API code to validate
-     *
-     * @return bool
-     */
-    public static function isCodeValid(int $code): bool
-    {
-        return ($code === 0) || (($code >= static::getMinCode()) && ($code <= static::getMaxCode()));
-    }
-
-    /**
-     * Returns final API code for internal code, remapped to configured code range
-     *
-     * @param int $internal_code
-     *
-     * @return int
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function getCodeForInternalOffset(int $internal_code): int
-    {
-        $min = static::RESERVED_MIN_API_CODE_OFFSET;
-        $max = static::RESERVED_MAX_API_CODE_OFFSET;
-        Validator::assertIsIntRange('internal_code', $internal_code, $min, $max);
-
-        return ($internal_code === 0) ? 0 : $internal_code + static::getMinCode();
-    }
+	/**
+	 * Returns lowest allowed error code for this module
+	 *
+	 * @return integer
+	 *
+	 * @throws \RuntimeException Throws exception if no min_code set up
+	 */
+	public static function getMinCode(): int
+	{
+		$key = ResponseBuilder::CONF_KEY_MIN_CODE;
+		$min_code = Config::get($key, null);
+
+		if ($min_code === null) {
+			throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', $key));
+		}
+
+		return $min_code;
+	}
+
+	/**
+	 * Returns highest allowed error code for this module
+	 *
+	 * @return integer
+	 *
+	 * @throws \RuntimeException Throws exception if no max_code set up
+	 */
+	public static function getMaxCode(): int
+	{
+		$key = ResponseBuilder::CONF_KEY_MAX_CODE;
+		$max_code = Config::get($key, null);
+
+		if ($max_code === null) {
+			throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', $key));
+		}
+
+		return $max_code;
+	}
+
+	/**
+	 * Returns array of error code constants defined in this class. Used mainly for debugging/tests
+	 *
+	 * @return array
+	 * @throws \ReflectionException
+	 */
+	public static function getApiCodeConstants(): array
+	{
+		/** @noinspection PhpUnhandledExceptionInspection */
+		return (new \ReflectionClass(static::class))->getConstants();
+	}
+
+	/**
+	 * Returns complete error code to locale string mapping array
+	 *
+	 * @return array
+	 *
+	 * @throws \RuntimeException Thrown when builder map is not configured.
+	 */
+	public static function getMap(): array
+	{
+		$user_map = Config::get(ResponseBuilder::CONF_KEY_MAP, null);
+		if ($user_map === null) {
+			throw new \RuntimeException(sprintf('CONFIG: Missing "%s" key', ResponseBuilder::CONF_KEY_MAP));
+		}
+		if (!is_array($user_map)) {
+			throw new \RuntimeException(sprintf('CONFIG: "%s" must be an array', ResponseBuilder::CONF_KEY_MAP));
+		}
+		return Util::mergeConfig(BaseApiCodes::getBaseMap(), $user_map);
+	}
+
+	/**
+	 * Returns locale mappings key for given api code or @null if there's no mapping
+	 *
+	 * @param integer $api_code Api code to look for mapped message for.
+	 *
+	 * @return string|null
+	 *
+	 * @throws \InvalidArgumentException If $code is not in allowed range.
+	 */
+	public static function getCodeMessageKey(int $api_code): ?string
+	{
+		if (!static::isCodeValid($api_code)) {
+			$min = static::getMinCode();
+			$max = static::getMaxCode();
+			throw new \InvalidArgumentException("API code value ({$api_code}) is out of allowed range {$min}-{$max}");
+		}
+
+		$map = static::getMap();
+
+		return $map[ $api_code ] ?? null;
+	}
+
+	/**
+	 * Checks if given API $code can be used in current configuration.
+	 *
+	 * @param int $code API code to validate
+	 *
+	 * @return bool
+	 */
+	public static function isCodeValid(int $code): bool
+	{
+		return ($code === 0) || (($code >= static::getMinCode()) && ($code <= static::getMaxCode()));
+	}
+
+	/**
+	 * Returns final API code for internal code, remapped to configured code range
+	 *
+	 * @param int $internal_code
+	 *
+	 * @return int
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function getCodeForInternalOffset(int $internal_code): int
+	{
+		$min = static::RESERVED_MIN_API_CODE_OFFSET;
+		$max = static::RESERVED_MAX_API_CODE_OFFSET;
+		Validator::assertIsIntRange('internal_code', $internal_code, $min, $max);
+
+		return ($internal_code === 0) ? 0 : $internal_code + static::getMinCode();
+	}
 
 }

src/lang/pl/builder.php

Indentation +48 added lines, -48 removed lines

@@ -10,54 +10,54 @@
  */
 return [
 
-    'ok'                       => 'OK',
-    'no_error_message'         => 'Błąd #:api_code',
+	'ok'                       => 'OK',
+	'no_error_message'         => 'Błąd #:api_code',
 
-    // Used by Exception Handler Helper (when used)
-    'uncaught_exception'       => 'Nieprzechwycony wyjątek: :message',
-    'http_exception'           => 'Wyjątek HTTP: :message',
+	// Used by Exception Handler Helper (when used)
+	'uncaught_exception'       => 'Nieprzechwycony wyjątek: :message',
+	'http_exception'           => 'Wyjątek HTTP: :message',
 
-    // HttpException handler (added in 6.4.0)
-    // Error messages for HttpException caught w/o custom messages
-    // https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
-    'http_400'                 => 'Bad Request',
-    'http_401'                 => 'Unauthorized',
-    'http_402'                 => 'Payment Required',
-    'http_403'                 => 'Forbidden',
-    'http_404'                 => 'Not Found',
-    'http_405'                 => 'Method Not Allowed',
-    'http_406'                 => 'Not Acceptable',
-    'http_407'                 => 'Proxy Authentication Required',
-    'http_408'                 => 'Request Timeout',
-    'http_409'                 => 'Conflict',
-    'http_410'                 => 'Gone',
-    'http_411'                 => 'Length Required',
-    'http_412'                 => 'Precondition Failed',
-    'http_413'                 => 'Payload Too Large',
-    'http_414'                 => 'URI Too Long',
-    'http_415'                 => 'Unsupported Media Type',
-    'http_416'                 => 'Range Not Satisfiable',
-    'http_417'                 => 'Expectation Failed',
-    'http_421'                 => 'Misdirected Request',
-    'http_422'                 => 'Unprocessable Entity',
-    'http_423'                 => 'Locked',
-    'http_424'                 => 'Failed Dependency',
-    'http_425'                 => 'Too Early',
-    'http_426'                 => 'Upgrade Required',
-    'http_428'                 => 'Precondition Required',
-    'http_429'                 => 'Too Many Requests',
-    'http_431'                 => 'Request Header Fields Too Large',
-    'http_451'                 => 'Unavailable For Legal Reasons',
-    'http_500'                 => 'Internal Server Error',
-    'http_501'                 => 'Not Implemented',
-    'http_502'                 => 'Bad Gateway',
-    'http_503'                 => 'Service Unavailable',
-    'http_504'                 => 'Gateway Timeout',
-    'http_505'                 => 'HTTP Version Not Supported',
-    'http_506'                 => 'Variant Also Negotiates',
-    'http_507'                 => 'Insufficient Storage',
-    'http_508'                 => 'Loop Detected',
-    'http_509'                 => 'Unassigned',
-    'http_510'                 => 'Not Extended',
-    'http_511'                 => 'Network Authentication Required',
+	// HttpException handler (added in 6.4.0)
+	// Error messages for HttpException caught w/o custom messages
+	// https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+	'http_400'                 => 'Bad Request',
+	'http_401'                 => 'Unauthorized',
+	'http_402'                 => 'Payment Required',
+	'http_403'                 => 'Forbidden',
+	'http_404'                 => 'Not Found',
+	'http_405'                 => 'Method Not Allowed',
+	'http_406'                 => 'Not Acceptable',
+	'http_407'                 => 'Proxy Authentication Required',
+	'http_408'                 => 'Request Timeout',
+	'http_409'                 => 'Conflict',
+	'http_410'                 => 'Gone',
+	'http_411'                 => 'Length Required',
+	'http_412'                 => 'Precondition Failed',
+	'http_413'                 => 'Payload Too Large',
+	'http_414'                 => 'URI Too Long',
+	'http_415'                 => 'Unsupported Media Type',
+	'http_416'                 => 'Range Not Satisfiable',
+	'http_417'                 => 'Expectation Failed',
+	'http_421'                 => 'Misdirected Request',
+	'http_422'                 => 'Unprocessable Entity',
+	'http_423'                 => 'Locked',
+	'http_424'                 => 'Failed Dependency',
+	'http_425'                 => 'Too Early',
+	'http_426'                 => 'Upgrade Required',
+	'http_428'                 => 'Precondition Required',
+	'http_429'                 => 'Too Many Requests',
+	'http_431'                 => 'Request Header Fields Too Large',
+	'http_451'                 => 'Unavailable For Legal Reasons',
+	'http_500'                 => 'Internal Server Error',
+	'http_501'                 => 'Not Implemented',
+	'http_502'                 => 'Bad Gateway',
+	'http_503'                 => 'Service Unavailable',
+	'http_504'                 => 'Gateway Timeout',
+	'http_505'                 => 'HTTP Version Not Supported',
+	'http_506'                 => 'Variant Also Negotiates',
+	'http_507'                 => 'Insufficient Storage',
+	'http_508'                 => 'Loop Detected',
+	'http_509'                 => 'Unassigned',
+	'http_510'                 => 'Not Extended',
+	'http_511'                 => 'Network Authentication Required',
 ];

src/lang/en/builder.php

Indentation +48 added lines, -48 removed lines

@@ -10,55 +10,55 @@
  */
 return [
 
-    'ok'                       => 'OK',
-    'no_error_message'         => 'Error #:api_code',
+	'ok'                       => 'OK',
+	'no_error_message'         => 'Error #:api_code',
 
-    // Used by Exception Handler Helper (when used)
-    'uncaught_exception'       => 'Uncaught exception: :message',
-    'http_exception'           => 'HTTP exception: :message',
+	// Used by Exception Handler Helper (when used)
+	'uncaught_exception'       => 'Uncaught exception: :message',
+	'http_exception'           => 'HTTP exception: :message',
 
-    // HttpException handler (added in 6.4.0)
-    // Error messages for HttpException caught w/o custom messages
-    // https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
-    'http_400'                 => 'Bad Request',
-    'http_401'                 => 'Unauthorized',
-    'http_402'                 => 'Payment Required',
-    'http_403'                 => 'Forbidden',
-    'http_404'                 => 'Not Found',
-    'http_405'                 => 'Method Not Allowed',
-    'http_406'                 => 'Not Acceptable',
-    'http_407'                 => 'Proxy Authentication Required',
-    'http_408'                 => 'Request Timeout',
-    'http_409'                 => 'Conflict',
-    'http_410'                 => 'Gone',
-    'http_411'                 => 'Length Required',
-    'http_412'                 => 'Precondition Failed',
-    'http_413'                 => 'Payload Too Large',
-    'http_414'                 => 'URI Too Long',
-    'http_415'                 => 'Unsupported Media Type',
-    'http_416'                 => 'Range Not Satisfiable',
-    'http_417'                 => 'Expectation Failed',
-    'http_421'                 => 'Misdirected Request',
-    'http_422'                 => 'Unprocessable Entity',
-    'http_423'                 => 'Locked',
-    'http_424'                 => 'Failed Dependency',
-    'http_425'                 => 'Too Early',
-    'http_426'                 => 'Upgrade Required',
-    'http_428'                 => 'Precondition Required',
-    'http_429'                 => 'Too Many Requests',
-    'http_431'                 => 'Request Header Fields Too Large',
-    'http_451'                 => 'Unavailable For Legal Reasons',
-    'http_500'                 => 'Internal Server Error',
-    'http_501'                 => 'Not Implemented',
-    'http_502'                 => 'Bad Gateway',
-    'http_503'                 => 'Service Unavailable',
-    'http_504'                 => 'Gateway Timeout',
-    'http_505'                 => 'HTTP Version Not Supported',
-    'http_506'                 => 'Variant Also Negotiates',
-    'http_507'                 => 'Insufficient Storage',
-    'http_508'                 => 'Loop Detected',
-    'http_509'                 => 'Unassigned',
-    'http_510'                 => 'Not Extended',
-    'http_511'                 => 'Network Authentication Required',
+	// HttpException handler (added in 6.4.0)
+	// Error messages for HttpException caught w/o custom messages
+	// https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+	'http_400'                 => 'Bad Request',
+	'http_401'                 => 'Unauthorized',
+	'http_402'                 => 'Payment Required',
+	'http_403'                 => 'Forbidden',
+	'http_404'                 => 'Not Found',
+	'http_405'                 => 'Method Not Allowed',
+	'http_406'                 => 'Not Acceptable',
+	'http_407'                 => 'Proxy Authentication Required',
+	'http_408'                 => 'Request Timeout',
+	'http_409'                 => 'Conflict',
+	'http_410'                 => 'Gone',
+	'http_411'                 => 'Length Required',
+	'http_412'                 => 'Precondition Failed',
+	'http_413'                 => 'Payload Too Large',
+	'http_414'                 => 'URI Too Long',
+	'http_415'                 => 'Unsupported Media Type',
+	'http_416'                 => 'Range Not Satisfiable',
+	'http_417'                 => 'Expectation Failed',
+	'http_421'                 => 'Misdirected Request',
+	'http_422'                 => 'Unprocessable Entity',
+	'http_423'                 => 'Locked',
+	'http_424'                 => 'Failed Dependency',
+	'http_425'                 => 'Too Early',
+	'http_426'                 => 'Upgrade Required',
+	'http_428'                 => 'Precondition Required',
+	'http_429'                 => 'Too Many Requests',
+	'http_431'                 => 'Request Header Fields Too Large',
+	'http_451'                 => 'Unavailable For Legal Reasons',
+	'http_500'                 => 'Internal Server Error',
+	'http_501'                 => 'Not Implemented',
+	'http_502'                 => 'Bad Gateway',
+	'http_503'                 => 'Service Unavailable',
+	'http_504'                 => 'Gateway Timeout',
+	'http_505'                 => 'HTTP Version Not Supported',
+	'http_506'                 => 'Variant Also Negotiates',
+	'http_507'                 => 'Insufficient Storage',
+	'http_508'                 => 'Loop Detected',
+	'http_509'                 => 'Unassigned',
+	'http_510'                 => 'Not Extended',
+	'http_511'                 => 'Network Authentication Required',
 ];
 

src/BaseApiCodes.php

Indentation +175 added lines, -175 removed lines

@@ -21,180 +21,180 @@
  */
 class BaseApiCodes
 {
-    use ApiCodesHelpers;
-
-    /**
-     * protected code range - lowest code for reserved range.
-     *
-     * @var int
-     */
-    public const RESERVED_MIN_API_CODE_OFFSET = 0;
-
-    /**
-     * protected code range - highest code for reserved range
-     *
-     * @var int
-     */
-    public const RESERVED_MAX_API_CODE_OFFSET = 19;
-
-    /**
-     * built-in codes: OK
-     *
-     * @var int
-     */
-    protected const OK_OFFSET = 0;
-    /**
-     * built-in code for fallback message mapping
-     *
-     * @var int
-     */
-    protected const NO_ERROR_MESSAGE_OFFSET = 1;
-    /**
-     * built-in error code for HTTP_NOT_FOUND exception
-     *
-     * @var int
-     */
-    protected const EX_HTTP_NOT_FOUND_OFFSET = 10;
-    /**
-     * built-in error code for HTTP_SERVICE_UNAVAILABLE exception
-     *
-     * @var int
-     */
-    protected const EX_HTTP_SERVICE_UNAVAILABLE_OFFSET = 11;
-    /**
-     * built-in error code for HTTP_EXCEPTION
-     *
-     * @var int
-     */
-    protected const EX_HTTP_EXCEPTION_OFFSET = 12;
-    /**
-     * built-in error code for UNCAUGHT_EXCEPTION
-     *
-     * @var int
-     */
-    protected const EX_UNCAUGHT_EXCEPTION_OFFSET = 13;
-
-    /**
-     * built-in error code for \Illuminate\Auth\AuthenticationException
-     *
-     * @var int
-     */
-    protected const EX_AUTHENTICATION_EXCEPTION_OFFSET = 14;
-
-    /**
-     * built-in error code for \Illuminate\Auth\AuthenticationException
-     *
-     * @var int
-     */
-    protected const EX_VALIDATION_EXCEPTION_OFFSET = 15;
-
-    /**
-     * Returns base code mapping array
-     *
-     * @return array
-     */
-    protected static function getBaseMap(): array
-    {
-        $tpl = 'response-builder::builder.http_%d';
-
-        return [
-            self::OK()                          => 'response-builder::builder.ok',
-            self::NO_ERROR_MESSAGE()            => 'response-builder::builder.no_error_message',
-            self::EX_HTTP_EXCEPTION()           => 'response-builder::builder.http_exception',
-            self::EX_UNCAUGHT_EXCEPTION()       => 'response-builder::builder.uncaught_exception',
-            self::EX_HTTP_NOT_FOUND()           => sprintf($tpl, HttpResponse::HTTP_NOT_FOUND),
-            self::EX_HTTP_SERVICE_UNAVAILABLE() => sprintf($tpl, HttpResponse::HTTP_SERVICE_UNAVAILABLE),
-            self::EX_AUTHENTICATION_EXCEPTION() => sprintf($tpl, HttpResponse::HTTP_UNAUTHORIZED),
-            self::EX_VALIDATION_EXCEPTION()     => sprintf($tpl, HttpResponse::HTTP_UNPROCESSABLE_ENTITY),
-        ];
-    }
-
-    /**
-     * Returns API code for internal code OK
-     *
-     * @return int valid API code in current range
-     */
-    public static function OK(): int
-    {
-        return static::getCodeForInternalOffset(static::OK_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code NO_ERROR_MESSAGE
-     *
-     * @return int valid API code in current range
-     */
-    public static function NO_ERROR_MESSAGE(): int
-    {
-        return static::getCodeForInternalOffset(static::NO_ERROR_MESSAGE_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_HTTP_NOT_FOUND
-     *
-     * @return int valid API code in current range
-     *
-     * @deprecated Configure Exception Handler to use your own API code.
-     */
-    public static function EX_HTTP_NOT_FOUND(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_HTTP_NOT_FOUND_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_HTTP_EXCEPTION
-     *
-     * @return int valid API code in current range
-     */
-    public static function EX_HTTP_EXCEPTION(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_HTTP_EXCEPTION_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_UNCAUGHT_EXCEPTION
-     *
-     * @return int valid API code in current range
-     */
-    public static function EX_UNCAUGHT_EXCEPTION(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_UNCAUGHT_EXCEPTION_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_AUTHENTICATION_EXCEPTION
-     *
-     * @return int valid API code in current range
-     *
-     * @deprecated Configure Exception Handler to use your own API code.
-     */
-    public static function EX_AUTHENTICATION_EXCEPTION(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_AUTHENTICATION_EXCEPTION_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_VALIDATION_EXCEPTION
-     *
-     * @return int valid API code in current range
-     *
-     * @deprecated Configure Exception Handler to use your own API code.
-     */
-    public static function EX_VALIDATION_EXCEPTION(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_VALIDATION_EXCEPTION_OFFSET);
-    }
-
-    /**
-     * Returns API code for internal code EX_HTTP_SERVICE_UNAVAILABLE
-     *
-     * @return int valid API code in current range
-     *
-     * @deprecated Configure Exception Handler to use your own API code.
-     */
-    public static function EX_HTTP_SERVICE_UNAVAILABLE(): int
-    {
-        return static::getCodeForInternalOffset(static::EX_HTTP_SERVICE_UNAVAILABLE_OFFSET);
-    }
+	use ApiCodesHelpers;
+
+	/**
+	 * protected code range - lowest code for reserved range.
+	 *
+	 * @var int
+	 */
+	public const RESERVED_MIN_API_CODE_OFFSET = 0;
+
+	/**
+	 * protected code range - highest code for reserved range
+	 *
+	 * @var int
+	 */
+	public const RESERVED_MAX_API_CODE_OFFSET = 19;
+
+	/**
+	 * built-in codes: OK
+	 *
+	 * @var int
+	 */
+	protected const OK_OFFSET = 0;
+	/**
+	 * built-in code for fallback message mapping
+	 *
+	 * @var int
+	 */
+	protected const NO_ERROR_MESSAGE_OFFSET = 1;
+	/**
+	 * built-in error code for HTTP_NOT_FOUND exception
+	 *
+	 * @var int
+	 */
+	protected const EX_HTTP_NOT_FOUND_OFFSET = 10;
+	/**
+	 * built-in error code for HTTP_SERVICE_UNAVAILABLE exception
+	 *
+	 * @var int
+	 */
+	protected const EX_HTTP_SERVICE_UNAVAILABLE_OFFSET = 11;
+	/**
+	 * built-in error code for HTTP_EXCEPTION
+	 *
+	 * @var int
+	 */
+	protected const EX_HTTP_EXCEPTION_OFFSET = 12;
+	/**
+	 * built-in error code for UNCAUGHT_EXCEPTION
+	 *
+	 * @var int
+	 */
+	protected const EX_UNCAUGHT_EXCEPTION_OFFSET = 13;
+
+	/**
+	 * built-in error code for \Illuminate\Auth\AuthenticationException
+	 *
+	 * @var int
+	 */
+	protected const EX_AUTHENTICATION_EXCEPTION_OFFSET = 14;
+
+	/**
+	 * built-in error code for \Illuminate\Auth\AuthenticationException
+	 *
+	 * @var int
+	 */
+	protected const EX_VALIDATION_EXCEPTION_OFFSET = 15;
+
+	/**
+	 * Returns base code mapping array
+	 *
+	 * @return array
+	 */
+	protected static function getBaseMap(): array
+	{
+		$tpl = 'response-builder::builder.http_%d';
+
+		return [
+			self::OK()                          => 'response-builder::builder.ok',
+			self::NO_ERROR_MESSAGE()            => 'response-builder::builder.no_error_message',
+			self::EX_HTTP_EXCEPTION()           => 'response-builder::builder.http_exception',
+			self::EX_UNCAUGHT_EXCEPTION()       => 'response-builder::builder.uncaught_exception',
+			self::EX_HTTP_NOT_FOUND()           => sprintf($tpl, HttpResponse::HTTP_NOT_FOUND),
+			self::EX_HTTP_SERVICE_UNAVAILABLE() => sprintf($tpl, HttpResponse::HTTP_SERVICE_UNAVAILABLE),
+			self::EX_AUTHENTICATION_EXCEPTION() => sprintf($tpl, HttpResponse::HTTP_UNAUTHORIZED),
+			self::EX_VALIDATION_EXCEPTION()     => sprintf($tpl, HttpResponse::HTTP_UNPROCESSABLE_ENTITY),
+		];
+	}
+
+	/**
+	 * Returns API code for internal code OK
+	 *
+	 * @return int valid API code in current range
+	 */
+	public static function OK(): int
+	{
+		return static::getCodeForInternalOffset(static::OK_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code NO_ERROR_MESSAGE
+	 *
+	 * @return int valid API code in current range
+	 */
+	public static function NO_ERROR_MESSAGE(): int
+	{
+		return static::getCodeForInternalOffset(static::NO_ERROR_MESSAGE_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_HTTP_NOT_FOUND
+	 *
+	 * @return int valid API code in current range
+	 *
+	 * @deprecated Configure Exception Handler to use your own API code.
+	 */
+	public static function EX_HTTP_NOT_FOUND(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_HTTP_NOT_FOUND_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_HTTP_EXCEPTION
+	 *
+	 * @return int valid API code in current range
+	 */
+	public static function EX_HTTP_EXCEPTION(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_HTTP_EXCEPTION_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_UNCAUGHT_EXCEPTION
+	 *
+	 * @return int valid API code in current range
+	 */
+	public static function EX_UNCAUGHT_EXCEPTION(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_UNCAUGHT_EXCEPTION_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_AUTHENTICATION_EXCEPTION
+	 *
+	 * @return int valid API code in current range
+	 *
+	 * @deprecated Configure Exception Handler to use your own API code.
+	 */
+	public static function EX_AUTHENTICATION_EXCEPTION(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_AUTHENTICATION_EXCEPTION_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_VALIDATION_EXCEPTION
+	 *
+	 * @return int valid API code in current range
+	 *
+	 * @deprecated Configure Exception Handler to use your own API code.
+	 */
+	public static function EX_VALIDATION_EXCEPTION(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_VALIDATION_EXCEPTION_OFFSET);
+	}
+
+	/**
+	 * Returns API code for internal code EX_HTTP_SERVICE_UNAVAILABLE
+	 *
+	 * @return int valid API code in current range
+	 *
+	 * @deprecated Configure Exception Handler to use your own API code.
+	 */
+	public static function EX_HTTP_SERVICE_UNAVAILABLE(): int
+	{
+		return static::getCodeForInternalOffset(static::EX_HTTP_SERVICE_UNAVAILABLE_OFFSET);
+	}
 
 }

src/Util.php

Spacing +5 added lines, -5 removed lines

@@ -34,20 +34,20 @@
         $array = $original;
         foreach ($merging as $m_key => $m_val) {
             if (array_key_exists($m_key, $original)) {
-                $orig_type = gettype($original[ $m_key ]);
+                $orig_type = gettype($original[$m_key]);
                 $m_type = gettype($m_val);
                 if ($orig_type !== $m_type) {
                     throw new \RuntimeException(
                         "Incompatible types. Cannot merge {$m_type} into {$orig_type} (key '{$m_key}').");
                 }
 
-                if (is_array($merging[ $m_key ])) {
-                    $array[ $m_key ] = static::mergeConfig($original[ $m_key ], $m_val);
+                if (is_array($merging[$m_key])) {
+                    $array[$m_key] = static::mergeConfig($original[$m_key], $m_val);
                 } else {
-                    $array[ $m_key ] = $m_val;
+                    $array[$m_key] = $m_val;
                 }
             } else {
-                $array[ $m_key ] = $m_val;
+                $array[$m_key] = $m_val;
             }
         }
 

Indentation +51 added lines, -51 removed lines

@@ -15,59 +15,59 @@
  */
 final class Util
 {
-    /**
-     * Merges the configs together and takes multi-dimensional arrays into account.
-     * Support for multi-dimensional config array. Built-in config merge only supports flat arrays.
-     * Throws \RuntimeException if arrays stucture causes type conflics (i.e. you want to merge
-     * array with int).
-     *
-     * @param array $original Array to merge other array into. Usually default values to overwrite.
-     * @param array $merging  Array with items to be merged into $original, overriding (primitives) or merging
-     *                        (arrays) entries in destination array.
-     *
-     * @return array
-     *
-     * @throws \RuntimeException
-     */
-    public static function mergeConfig(array $original, array $merging): array
-    {
-        $array = $original;
-        foreach ($merging as $m_key => $m_val) {
-            if (array_key_exists($m_key, $original)) {
-                $orig_type = gettype($original[ $m_key ]);
-                $m_type = gettype($m_val);
-                if ($orig_type !== $m_type) {
-                    throw new \RuntimeException(
-                        "Incompatible types. Cannot merge {$m_type} into {$orig_type} (key '{$m_key}').");
-                }
+	/**
+	 * Merges the configs together and takes multi-dimensional arrays into account.
+	 * Support for multi-dimensional config array. Built-in config merge only supports flat arrays.
+	 * Throws \RuntimeException if arrays stucture causes type conflics (i.e. you want to merge
+	 * array with int).
+	 *
+	 * @param array $original Array to merge other array into. Usually default values to overwrite.
+	 * @param array $merging  Array with items to be merged into $original, overriding (primitives) or merging
+	 *                        (arrays) entries in destination array.
+	 *
+	 * @return array
+	 *
+	 * @throws \RuntimeException
+	 */
+	public static function mergeConfig(array $original, array $merging): array
+	{
+		$array = $original;
+		foreach ($merging as $m_key => $m_val) {
+			if (array_key_exists($m_key, $original)) {
+				$orig_type = gettype($original[ $m_key ]);
+				$m_type = gettype($m_val);
+				if ($orig_type !== $m_type) {
+					throw new \RuntimeException(
+						"Incompatible types. Cannot merge {$m_type} into {$orig_type} (key '{$m_key}').");
+				}
 
-                if (is_array($merging[ $m_key ])) {
-                    $array[ $m_key ] = static::mergeConfig($original[ $m_key ], $m_val);
-                } else {
-                    $array[ $m_key ] = $m_val;
-                }
-            } else {
-                $array[ $m_key ] = $m_val;
-            }
-        }
+				if (is_array($merging[ $m_key ])) {
+					$array[ $m_key ] = static::mergeConfig($original[ $m_key ], $m_val);
+				} else {
+					$array[ $m_key ] = $m_val;
+				}
+			} else {
+				$array[ $m_key ] = $m_val;
+			}
+		}
 
-        return $array;
-    }
+		return $array;
+	}
 
-    /**
-     * Sorts array by value, assuming value is an array and contains `pri` key with integer (positive/negative)
-     * value which is used for sorting higher -> lower priority.
-     *
-     * @param array &$array
-     */
-    public static function sortArrayByPri(array &$array): void
-    {
-        // we now need to sort 'converter' node by priority
-        uasort($array, function($array_a, $array_b) {
-            $pri_a = $array_a['pri'] ?? 0;
-            $pri_b = $array_b['pri'] ?? 0;
+	/**
+	 * Sorts array by value, assuming value is an array and contains `pri` key with integer (positive/negative)
+	 * value which is used for sorting higher -> lower priority.
+	 *
+	 * @param array &$array
+	 */
+	public static function sortArrayByPri(array &$array): void
+	{
+		// we now need to sort 'converter' node by priority
+		uasort($array, function($array_a, $array_b) {
+			$pri_a = $array_a['pri'] ?? 0;
+			$pri_b = $array_b['pri'] ?? 0;
 
-            return $pri_b <=> $pri_a;
-        });
-    }
+			return $pri_b <=> $pri_a;
+		});
+	}
 }

src/ExceptionHandlerHelper.php

Spacing +5 added lines, -5 removed lines

@@ -44,13 +44,13 @@ 
             // Check if we have any exception configuration for this particular Http status code.
             // This confing entry is guaranted to exist (at least 'default'). Enforced by tests.
             $http_code = $ex->getStatusCode();
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ] ?? null;
-            $ex_cfg = $ex_cfg ?? $cfg[ HttpException::class ]['default'];
+            $ex_cfg = $cfg[HttpException::class][$http_code] ?? null;
+            $ex_cfg = $ex_cfg ?? $cfg[HttpException::class]['default'];
             $result = self::processException($ex, $ex_cfg, $http_code);
         } elseif ($ex instanceof ValidationException) {
             // This entry is guaranted to exist. Enforced by tests.
             $http_code = HttpResponse::HTTP_UNPROCESSABLE_ENTITY;
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ];
+            $ex_cfg = $cfg[HttpException::class][$http_code];
             $result = self::processException($ex, $ex_cfg, $http_code);
         }
 
@@ -96,7 +96,7 @@ 
         $result = static::error($ex, $api_code, $http_code, $error_message);
 
         if ($result === null) {
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ];
+            $ex_cfg = $cfg[HttpException::class][$http_code];
             $api_code = $ex_cfg['api_code'] ?? BaseApiCodes::EX_VALIDATION_EXCEPTION();
             $http_code = $ex_cfg['http_code'] ?? $http_code;
             $result = static::error($ex, $api_code, $http_code, $error_message);
@@ -144,7 +144,7 @@ 
     {
         // This entry is guaranted to exist. Enforced by tests.
         $http_code = HttpResponse::HTTP_UNAUTHORIZED;
-        $cfg = static::getExceptionHandlerConfig()['map'][ HttpException::class ][ $http_code ];
+        $cfg = static::getExceptionHandlerConfig()['map'][HttpException::class][$http_code];
 
         return static::processException($exception, $cfg, $http_code);
     }

Indentation +219 added lines, -219 removed lines

@@ -27,224 +27,224 @@
  */
 class ExceptionHandlerHelper
 {
-    /**
-     * Render an exception into valid API response.
-     *
-     * @param \Illuminate\Http\Request $request Request object
-     * @param \Exception               $ex      Exception
-     *
-     * @return HttpResponse
-     */
-    public static function render(/** @scrutinizer ignore-unused */ $request, Exception $ex): HttpResponse
-    {
-        $result = null;
-        $cfg = static::getExceptionHandlerConfig()['map'];
-
-        if ($ex instanceof HttpException) {
-            // Check if we have any exception configuration for this particular Http status code.
-            // This confing entry is guaranted to exist (at least 'default'). Enforced by tests.
-            $http_code = $ex->getStatusCode();
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ] ?? null;
-            $ex_cfg = $ex_cfg ?? $cfg[ HttpException::class ]['default'];
-            $result = self::processException($ex, $ex_cfg, $http_code);
-        } elseif ($ex instanceof ValidationException) {
-            // This entry is guaranted to exist. Enforced by tests.
-            $http_code = HttpResponse::HTTP_UNPROCESSABLE_ENTITY;
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ];
-            $result = self::processException($ex, $ex_cfg, $http_code);
-        }
-
-        if ($result === null) {
-            // This entry is guaranted to exist. Enforced by tests.
-            $http_code = HttpResponse::HTTP_INTERNAL_SERVER_ERROR;
-            $ex_cfg = $cfg['default'];
-            $result = self::processException($ex, $ex_cfg, $http_code);
-        }
-
-        return $result;
-    }
-
-    protected static function processException(\Exception $ex, array $ex_cfg, int $http_code)
-    {
-        $api_code = $ex_cfg['api_code'];
-        $http_code = $ex_cfg['http_code'] ?? $http_code;
-        $msg_key = $ex_cfg['msg_key'] ?? null;
-        $msg_enforce = $ex_cfg['msg_enforce'] ?? false;
-
-        // No message key, let's get exception message and if there's nothing useful, fallback to built-in one.
-        $error_message = $ex->getMessage();
-        $placeholders = [
-            'api_code' => $api_code,
-            'message'  => ($error_message !== '') ? $error_message : '???',
-        ];
-
-        // shall we enforce error message?
-        if ($msg_enforce) {
-            // yes, please.
-            if ($msg_key === null) {
-                // there's no msg_key configured for this exact code, so let's obtain our default message
-                $error_message = ($msg_key === null) ? static::getErrorMessageForException($ex, $http_code, $placeholders) : Lang::get($msg_key, $placeholders);
-            }
-        } else {
-            // nothing enforced, handling pipeline: ex_message -> user_defined msg -> http_ex -> default
-            if ($error_message === '') {
-                $error_message = ($msg_key === null) ? static::getErrorMessageForException($ex, $http_code, $placeholders) : Lang::get($msg_key, $placeholders);
-            }
-        }
-
-        // Lets' try to build the error response with what we have now
-        $result = static::error($ex, $api_code, $http_code, $error_message);
-
-        if ($result === null) {
-            $ex_cfg = $cfg[ HttpException::class ][ $http_code ];
-            $api_code = $ex_cfg['api_code'] ?? BaseApiCodes::EX_VALIDATION_EXCEPTION();
-            $http_code = $ex_cfg['http_code'] ?? $http_code;
-            $result = static::error($ex, $api_code, $http_code, $error_message);
-        }
-
-        return $result;
-    }
-
-    /**
-     * Returns error message for given exception. If exception message is empty, then falls back to
-     * `default` handler either for HttpException (if $ex is instance of it), or generic `default`
-     * config.
-     *
-     * @param \Exception $ex
-     * @param int        $http_code
-     * @param array      $placeholders
-     *
-     * @return string
-     */
-    protected static function getErrorMessageForException(\Exception $ex, int $http_code, array $placeholders): string
-    {
-        // exception message is uselss, lets go deeper
-        if ($ex instanceof HttpException) {
-            $error_message = Lang::get("response-builder::builder.http_{$http_code}", $placeholders);
-        } else {
-            // Still got nothing? Fall back to built-in generic message for this type of exception.
-            $key = BaseApiCodes::getCodeMessageKey(($ex instanceof HttpException)
-                ? BaseApiCodes::EX_HTTP_EXCEPTION() : BaseApiCodes::NO_ERROR_MESSAGE());
-            $error_message = Lang::get($key, $placeholders);
-        }
-
-        return $error_message;
-    }
-
-    /**
-     * Convert an authentication exception into an unauthenticated response.
-     *
-     * @param \Illuminate\Http\Request                 $request
-     * @param \Illuminate\Auth\AuthenticationException $exception
-     *
-     * @return HttpResponse
-     */
-    protected function unauthenticated(/** @scrutinizer ignore-unused */ $request,
-                                                                         AuthException $exception): HttpResponse
-    {
-        // This entry is guaranted to exist. Enforced by tests.
-        $http_code = HttpResponse::HTTP_UNAUTHORIZED;
-        $cfg = static::getExceptionHandlerConfig()['map'][ HttpException::class ][ $http_code ];
-
-        return static::processException($exception, $cfg, $http_code);
-    }
-
-    /**
-     * Process single error and produce valid API response.
-     *
-     * @param Exception $ex Exception to be handled.
-     * @param integer   $api_code
-     * @param integer   $http_code
-     *
-     * @return HttpResponse
-     */
-    protected static function error(Exception $ex,
-                                    int $api_code, int $http_code = null, string $error_message): HttpResponse
-    {
-        $ex_http_code = ($ex instanceof HttpException) ? $ex->getStatusCode() : $ex->getCode();
-        $http_code = $http_code ?? $ex_http_code;
-
-        // Check if we now have valid HTTP error code for this case or need to make one up.
-        // We cannot throw any exception if codes are invalid because we are in Exception Handler already.
-        if ($http_code < ResponseBuilder::ERROR_HTTP_CODE_MIN) {
-            // Not a valid code, let's try to get the exception status.
-            $http_code = $ex_http_code;
-        }
-        // Can it be considered a valid HTTP error code?
-        if ($http_code < ResponseBuilder::ERROR_HTTP_CODE_MIN) {
-            // We now handle uncaught exception, so we cannot throw another one if there's
-            // something wrong with the configuration, so we try to recover and use built-in
-            // codes instead.
-            // FIXME: We should log this event as (warning or error?)
-            $http_code = ResponseBuilder::DEFAULT_HTTP_CODE_ERROR;
-        }
-
-        // If we have trace data debugging enabled, let's gather some debug info and add to the response.
-        $debug_data = null;
-        if (Config::get(ResponseBuilder::CONF_KEY_DEBUG_EX_TRACE_ENABLED, false)) {
-            $debug_data = [
-                Config::get(ResponseBuilder::CONF_KEY_DEBUG_EX_TRACE_KEY, ResponseBuilder::KEY_TRACE) => [
-                    ResponseBuilder::KEY_CLASS => get_class($ex),
-                    ResponseBuilder::KEY_FILE  => $ex->getFile(),
-                    ResponseBuilder::KEY_LINE  => $ex->getLine(),
-                ],
-            ];
-        }
-
-        // If this is ValidationException, add all the messages from MessageBag to the data node.
-        $data = null;
-        if ($ex instanceof ValidationException) {
-            /** @var ValidationException $ex */
-            $data = [ResponseBuilder::KEY_MESSAGES => $ex->validator->errors()->messages()];
-        }
-
-        return ResponseBuilder::asError($api_code)
-            ->withMessage($error_message)
-            ->withHttpCode($http_code)
-            ->withData($data)
-            ->withDebugData($debug_data)
-            ->build();
-    }
-
-    protected
-    static function getExceptionHandlerDefaultConfig(): array
-    {
-        return [
-            'map' => [
-                HttpException::class => [
-                    // used by unauthenticated() to obtain api and http code for the exception
-                    HttpResponse::HTTP_UNAUTHORIZED         => [
-                        'api_code' => BaseApiCodes::EX_AUTHENTICATION_EXCEPTION(),
-                    ],
-                    // Required by ValidationException handler
-                    HttpResponse::HTTP_UNPROCESSABLE_ENTITY => [
-                        'api_code' => BaseApiCodes::EX_VALIDATION_EXCEPTION(),
-                    ],
-                    // default handler is mandatory. `default` entry MUST have both `api_code` and `http_code` set.
-                    'default'                               => [
-                        'api_code'  => BaseApiCodes::EX_HTTP_EXCEPTION(),
-                        'http_code' => HttpResponse::HTTP_BAD_REQUEST,
-                    ],
-                ],
-                // default handler is mandatory. `default` entry MUST have both `api_code` and `http_code` set.
-                'default'            => [
-                    'api_code'  => BaseApiCodes::EX_UNCAUGHT_EXCEPTION(),
-                    'http_code' => HttpResponse::HTTP_INTERNAL_SERVER_ERROR,
-                ],
-            ],
-        ];
-    }
-
-    /**
-     * Returns ExceptionHandlerHelper configration array with user configuration merged into built-in defaults.
-     *
-     * @return array
-     */
-    protected
-    static function getExceptionHandlerConfig(): array
-    {
-        return Util::mergeConfig(static::getExceptionHandlerDefaultConfig(),
-            \Config::get(ResponseBuilder::CONF_KEY_EXCEPTION_HANDLER, []));
-    }
+	/**
+	 * Render an exception into valid API response.
+	 *
+	 * @param \Illuminate\Http\Request $request Request object
+	 * @param \Exception               $ex      Exception
+	 *
+	 * @return HttpResponse
+	 */
+	public static function render(/** @scrutinizer ignore-unused */ $request, Exception $ex): HttpResponse
+	{
+		$result = null;
+		$cfg = static::getExceptionHandlerConfig()['map'];
+
+		if ($ex instanceof HttpException) {
+			// Check if we have any exception configuration for this particular Http status code.
+			// This confing entry is guaranted to exist (at least 'default'). Enforced by tests.
+			$http_code = $ex->getStatusCode();
+			$ex_cfg = $cfg[ HttpException::class ][ $http_code ] ?? null;
+			$ex_cfg = $ex_cfg ?? $cfg[ HttpException::class ]['default'];
+			$result = self::processException($ex, $ex_cfg, $http_code);
+		} elseif ($ex instanceof ValidationException) {
+			// This entry is guaranted to exist. Enforced by tests.
+			$http_code = HttpResponse::HTTP_UNPROCESSABLE_ENTITY;
+			$ex_cfg = $cfg[ HttpException::class ][ $http_code ];
+			$result = self::processException($ex, $ex_cfg, $http_code);
+		}
+
+		if ($result === null) {
+			// This entry is guaranted to exist. Enforced by tests.
+			$http_code = HttpResponse::HTTP_INTERNAL_SERVER_ERROR;
+			$ex_cfg = $cfg['default'];
+			$result = self::processException($ex, $ex_cfg, $http_code);
+		}
+
+		return $result;
+	}
+
+	protected static function processException(\Exception $ex, array $ex_cfg, int $http_code)
+	{
+		$api_code = $ex_cfg['api_code'];
+		$http_code = $ex_cfg['http_code'] ?? $http_code;
+		$msg_key = $ex_cfg['msg_key'] ?? null;
+		$msg_enforce = $ex_cfg['msg_enforce'] ?? false;
+
+		// No message key, let's get exception message and if there's nothing useful, fallback to built-in one.
+		$error_message = $ex->getMessage();
+		$placeholders = [
+			'api_code' => $api_code,
+			'message'  => ($error_message !== '') ? $error_message : '???',
+		];
+
+		// shall we enforce error message?
+		if ($msg_enforce) {
+			// yes, please.
+			if ($msg_key === null) {
+				// there's no msg_key configured for this exact code, so let's obtain our default message
+				$error_message = ($msg_key === null) ? static::getErrorMessageForException($ex, $http_code, $placeholders) : Lang::get($msg_key, $placeholders);
+			}
+		} else {
+			// nothing enforced, handling pipeline: ex_message -> user_defined msg -> http_ex -> default
+			if ($error_message === '') {
+				$error_message = ($msg_key === null) ? static::getErrorMessageForException($ex, $http_code, $placeholders) : Lang::get($msg_key, $placeholders);
+			}
+		}
+
+		// Lets' try to build the error response with what we have now
+		$result = static::error($ex, $api_code, $http_code, $error_message);
+
+		if ($result === null) {
+			$ex_cfg = $cfg[ HttpException::class ][ $http_code ];
+			$api_code = $ex_cfg['api_code'] ?? BaseApiCodes::EX_VALIDATION_EXCEPTION();
+			$http_code = $ex_cfg['http_code'] ?? $http_code;
+			$result = static::error($ex, $api_code, $http_code, $error_message);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Returns error message for given exception. If exception message is empty, then falls back to
+	 * `default` handler either for HttpException (if $ex is instance of it), or generic `default`
+	 * config.
+	 *
+	 * @param \Exception $ex
+	 * @param int        $http_code
+	 * @param array      $placeholders
+	 *
+	 * @return string
+	 */
+	protected static function getErrorMessageForException(\Exception $ex, int $http_code, array $placeholders): string
+	{
+		// exception message is uselss, lets go deeper
+		if ($ex instanceof HttpException) {
+			$error_message = Lang::get("response-builder::builder.http_{$http_code}", $placeholders);
+		} else {
+			// Still got nothing? Fall back to built-in generic message for this type of exception.
+			$key = BaseApiCodes::getCodeMessageKey(($ex instanceof HttpException)
+				? BaseApiCodes::EX_HTTP_EXCEPTION() : BaseApiCodes::NO_ERROR_MESSAGE());
+			$error_message = Lang::get($key, $placeholders);
+		}
+
+		return $error_message;
+	}
+
+	/**
+	 * Convert an authentication exception into an unauthenticated response.
+	 *
+	 * @param \Illuminate\Http\Request                 $request
+	 * @param \Illuminate\Auth\AuthenticationException $exception
+	 *
+	 * @return HttpResponse
+	 */
+	protected function unauthenticated(/** @scrutinizer ignore-unused */ $request,
+																		 AuthException $exception): HttpResponse
+	{
+		// This entry is guaranted to exist. Enforced by tests.
+		$http_code = HttpResponse::HTTP_UNAUTHORIZED;
+		$cfg = static::getExceptionHandlerConfig()['map'][ HttpException::class ][ $http_code ];
+
+		return static::processException($exception, $cfg, $http_code);
+	}
+
+	/**
+	 * Process single error and produce valid API response.
+	 *
+	 * @param Exception $ex Exception to be handled.
+	 * @param integer   $api_code
+	 * @param integer   $http_code
+	 *
+	 * @return HttpResponse
+	 */
+	protected static function error(Exception $ex,
+									int $api_code, int $http_code = null, string $error_message): HttpResponse
+	{
+		$ex_http_code = ($ex instanceof HttpException) ? $ex->getStatusCode() : $ex->getCode();
+		$http_code = $http_code ?? $ex_http_code;
+
+		// Check if we now have valid HTTP error code for this case or need to make one up.
+		// We cannot throw any exception if codes are invalid because we are in Exception Handler already.
+		if ($http_code < ResponseBuilder::ERROR_HTTP_CODE_MIN) {
+			// Not a valid code, let's try to get the exception status.
+			$http_code = $ex_http_code;
+		}
+		// Can it be considered a valid HTTP error code?
+		if ($http_code < ResponseBuilder::ERROR_HTTP_CODE_MIN) {
+			// We now handle uncaught exception, so we cannot throw another one if there's
+			// something wrong with the configuration, so we try to recover and use built-in
+			// codes instead.
+			// FIXME: We should log this event as (warning or error?)
+			$http_code = ResponseBuilder::DEFAULT_HTTP_CODE_ERROR;
+		}
+
+		// If we have trace data debugging enabled, let's gather some debug info and add to the response.
+		$debug_data = null;
+		if (Config::get(ResponseBuilder::CONF_KEY_DEBUG_EX_TRACE_ENABLED, false)) {
+			$debug_data = [
+				Config::get(ResponseBuilder::CONF_KEY_DEBUG_EX_TRACE_KEY, ResponseBuilder::KEY_TRACE) => [
+					ResponseBuilder::KEY_CLASS => get_class($ex),
+					ResponseBuilder::KEY_FILE  => $ex->getFile(),
+					ResponseBuilder::KEY_LINE  => $ex->getLine(),
+				],
+			];
+		}
+
+		// If this is ValidationException, add all the messages from MessageBag to the data node.
+		$data = null;
+		if ($ex instanceof ValidationException) {
+			/** @var ValidationException $ex */
+			$data = [ResponseBuilder::KEY_MESSAGES => $ex->validator->errors()->messages()];
+		}
+
+		return ResponseBuilder::asError($api_code)
+			->withMessage($error_message)
+			->withHttpCode($http_code)
+			->withData($data)
+			->withDebugData($debug_data)
+			->build();
+	}
+
+	protected
+	static function getExceptionHandlerDefaultConfig(): array
+	{
+		return [
+			'map' => [
+				HttpException::class => [
+					// used by unauthenticated() to obtain api and http code for the exception
+					HttpResponse::HTTP_UNAUTHORIZED         => [
+						'api_code' => BaseApiCodes::EX_AUTHENTICATION_EXCEPTION(),
+					],
+					// Required by ValidationException handler
+					HttpResponse::HTTP_UNPROCESSABLE_ENTITY => [
+						'api_code' => BaseApiCodes::EX_VALIDATION_EXCEPTION(),
+					],
+					// default handler is mandatory. `default` entry MUST have both `api_code` and `http_code` set.
+					'default'                               => [
+						'api_code'  => BaseApiCodes::EX_HTTP_EXCEPTION(),
+						'http_code' => HttpResponse::HTTP_BAD_REQUEST,
+					],
+				],
+				// default handler is mandatory. `default` entry MUST have both `api_code` and `http_code` set.
+				'default'            => [
+					'api_code'  => BaseApiCodes::EX_UNCAUGHT_EXCEPTION(),
+					'http_code' => HttpResponse::HTTP_INTERNAL_SERVER_ERROR,
+				],
+			],
+		];
+	}
+
+	/**
+	 * Returns ExceptionHandlerHelper configration array with user configuration merged into built-in defaults.
+	 *
+	 * @return array
+	 */
+	protected
+	static function getExceptionHandlerConfig(): array
+	{
+		return Util::mergeConfig(static::getExceptionHandlerDefaultConfig(),
+			\Config::get(ResponseBuilder::CONF_KEY_EXCEPTION_HANDLER, []));
+	}
 
 }

src/lang/fa/builder.php

Indentation +49 added lines, -49 removed lines

@@ -10,56 +10,56 @@
  */
 return [
 
-    'ok'                       => 'موفق',
-    'no_error_message'         => 'خطای شماره :api_code',
+	'ok'                       => 'موفق',
+	'no_error_message'         => 'خطای شماره :api_code',
 
-    // can be used by Exception Handler (if enabled)
-    'uncaught_exception'       => 'استثناء مدیریت نشده :message',
-    // we talking API call here, hence we have http_not_found
-    'http_exception'           => 'استثناء HTTP :message',
+	// can be used by Exception Handler (if enabled)
+	'uncaught_exception'       => 'استثناء مدیریت نشده :message',
+	// we talking API call here, hence we have http_not_found
+	'http_exception'           => 'استثناء HTTP :message',
 
-    // HttpException handler (added in 6.4.0)
-    // Error messages for HttpException caught w/o custom messages
-    // https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
-    'http_400'                 => 'Bad Request',
-    'http_401'                 => 'اجازه دسترسی ندارید',
-    'http_402'                 => 'Payment Required',
-    'http_403'                 => 'Forbidden',
-    'http_404'                 => 'Not Found',
-    'http_405'                 => 'Method Not Allowed',
-    'http_406'                 => 'Not Acceptable',
-    'http_407'                 => 'Proxy Authentication Required',
-    'http_408'                 => 'Request Timeout',
-    'http_409'                 => 'Conflict',
-    'http_410'                 => 'Gone',
-    'http_411'                 => 'Length Required',
-    'http_412'                 => 'Precondition Failed',
-    'http_413'                 => 'Payload Too Large',
-    'http_414'                 => 'URI Too Long',
-    'http_415'                 => 'Unsupported Media Type',
-    'http_416'                 => 'Range Not Satisfiable',
-    'http_417'                 => 'Expectation Failed',
-    'http_421'                 => 'Misdirected Request',
-    'http_422'                 => 'داده معتبر نیست',
-    'http_423'                 => 'Locked',
-    'http_424'                 => 'Failed Dependency',
-    'http_425'                 => 'Too Early',
-    'http_426'                 => 'Upgrade Required',
-    'http_428'                 => 'Precondition Required',
-    'http_429'                 => 'Too Many Requests',
-    'http_431'                 => 'Request Header Fields Too Large',
-    'http_451'                 => 'Unavailable For Legal Reasons',
-    'http_500'                 => 'Internal Server Error',
-    'http_501'                 => 'Not Implemented',
-    'http_502'                 => 'Bad Gateway',
-    'http_503'                 => 'Service Unavailable',
-    'http_504'                 => 'Gateway Timeout',
-    'http_505'                 => 'HTTP Version Not Supported',
-    'http_506'                 => 'Variant Also Negotiates',
-    'http_507'                 => 'Insufficient Storage',
-    'http_508'                 => 'Loop Detected',
-    'http_509'                 => 'Unassigned',
-    'http_510'                 => 'Not Extended',
-    'http_511'                 => 'Network Authentication Required',
+	// HttpException handler (added in 6.4.0)
+	// Error messages for HttpException caught w/o custom messages
+	// https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+	'http_400'                 => 'Bad Request',
+	'http_401'                 => 'اجازه دسترسی ندارید',
+	'http_402'                 => 'Payment Required',
+	'http_403'                 => 'Forbidden',
+	'http_404'                 => 'Not Found',
+	'http_405'                 => 'Method Not Allowed',
+	'http_406'                 => 'Not Acceptable',
+	'http_407'                 => 'Proxy Authentication Required',
+	'http_408'                 => 'Request Timeout',
+	'http_409'                 => 'Conflict',
+	'http_410'                 => 'Gone',
+	'http_411'                 => 'Length Required',
+	'http_412'                 => 'Precondition Failed',
+	'http_413'                 => 'Payload Too Large',
+	'http_414'                 => 'URI Too Long',
+	'http_415'                 => 'Unsupported Media Type',
+	'http_416'                 => 'Range Not Satisfiable',
+	'http_417'                 => 'Expectation Failed',
+	'http_421'                 => 'Misdirected Request',
+	'http_422'                 => 'داده معتبر نیست',
+	'http_423'                 => 'Locked',
+	'http_424'                 => 'Failed Dependency',
+	'http_425'                 => 'Too Early',
+	'http_426'                 => 'Upgrade Required',
+	'http_428'                 => 'Precondition Required',
+	'http_429'                 => 'Too Many Requests',
+	'http_431'                 => 'Request Header Fields Too Large',
+	'http_451'                 => 'Unavailable For Legal Reasons',
+	'http_500'                 => 'Internal Server Error',
+	'http_501'                 => 'Not Implemented',
+	'http_502'                 => 'Bad Gateway',
+	'http_503'                 => 'Service Unavailable',
+	'http_504'                 => 'Gateway Timeout',
+	'http_505'                 => 'HTTP Version Not Supported',
+	'http_506'                 => 'Variant Also Negotiates',
+	'http_507'                 => 'Insufficient Storage',
+	'http_508'                 => 'Loop Detected',
+	'http_509'                 => 'Unassigned',
+	'http_510'                 => 'Not Extended',
+	'http_511'                 => 'Network Authentication Required',
 ];
 

src/ResponseBuilderServiceProvider.php

Indentation +44 added lines, -44 removed lines

@@ -25,56 +25,56 @@
 
 class ResponseBuilderServiceProvider extends ServiceProvider
 {
-    protected $config_files = [
-        'response_builder.php',
-    ];
+	protected $config_files = [
+		'response_builder.php',
+	];
 
-    /**
-     * Register bindings in the container.
-     *
-     * @return void
-     */
-    public function register()
-    {
-        foreach ($this->config_files as $file) {
-            $this->mergeConfigFrom(__DIR__ . "/../config/{$file}", ResponseBuilder::CONF_CONFIG);
-        }
-    }
+	/**
+	 * Register bindings in the container.
+	 *
+	 * @return void
+	 */
+	public function register()
+	{
+		foreach ($this->config_files as $file) {
+			$this->mergeConfigFrom(__DIR__ . "/../config/{$file}", ResponseBuilder::CONF_CONFIG);
+		}
+	}
 
-    /**
-     * Sets up package resources
-     *
-     * @return void
-     */
-    public function boot()
-    {
-        $this->loadTranslationsFrom(__DIR__ . '/lang', 'response-builder');
+	/**
+	 * Sets up package resources
+	 *
+	 * @return void
+	 */
+	public function boot()
+	{
+		$this->loadTranslationsFrom(__DIR__ . '/lang', 'response-builder');
 
-        foreach ($this->config_files as $file) {
-            $this->publishes([__DIR__ . "/../config/{$file}" => config_path($file)]);
-        }
-    }
+		foreach ($this->config_files as $file) {
+			$this->publishes([__DIR__ . "/../config/{$file}" => config_path($file)]);
+		}
+	}
 
-    /**
-     * Merge the given configuration with the existing configuration.
-     *
-     * @param string $path
-     * @param string $key
-     *
-     * @return void
-     */
-    protected function mergeConfigFrom($path, $key)
-    {
-        $defaults = require $path;
-        $config = $this->app['config']->get($key, []);
+	/**
+	 * Merge the given configuration with the existing configuration.
+	 *
+	 * @param string $path
+	 * @param string $key
+	 *
+	 * @return void
+	 */
+	protected function mergeConfigFrom($path, $key)
+	{
+		$defaults = require $path;
+		$config = $this->app['config']->get($key, []);
 
-        $merged_config = Util::mergeConfig($defaults, $config);
+		$merged_config = Util::mergeConfig($defaults, $config);
 
-        if (array_key_exists('converter', $merged_config)) {
-            Util::sortArrayByPri($merged_config['converter']);
-        }
+		if (array_key_exists('converter', $merged_config)) {
+			Util::sortArrayByPri($merged_config['converter']);
+		}
 
-        $this->app['config']->set($key, $merged_config);
-    }
+		$this->app['config']->set($key, $merged_config);
+	}
 
 }

src/Validator.php

Indentation +179 added lines, -179 removed lines

@@ -15,183 +15,183 @@
  */
 class Validator
 {
-    /** @var string */
-    public const TYPE_STRING = 'string';
-
-    /** @var string */
-    public const TYPE_INTEGER = 'integer';
-
-    /** @var string */
-    public const TYPE_BOOL = 'boolean';
-
-    /** @var string */
-    public const TYPE_ARRAY = 'array';
-
-    /** @var string */
-    public const TYPE_OBJECT = 'object';
-
-    /** @var string */
-    public const TYPE_NULL = 'NULL';
-
-    /**
-     * Checks if given $val is of type boolean
-     *
-     * @param string $key Name of the key to be used if exception is thrown.
-     * @param mixed  $var Variable to be asserted.
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsBool(string $key, $var): void
-    {
-        self::assertIsType($key, $var, [self::TYPE_BOOL]);
-    }
-
-    /**
-     * Checks if given $val is of type integer
-     *
-     * @param string $key Name of the key to be used if exception is thrown.
-     * @param mixed  $var Variable to be asserted.
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsInt(string $key, $var): void
-    {
-        self::assertIsType($key, $var, [self::TYPE_INTEGER]);
-    }
-
-    /**
-     * Checks if given $val is of type array
-     *
-     * @param string $key Name of the key to be used if exception is thrown.
-     * @param mixed  $var Variable to be asserted.
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsArray(string $key, $var): void
-    {
-        self::assertIsType($key, $var, [self::TYPE_ARRAY]);
-    }
-
-    /**
-     * Checks if given $val is an object
-     *
-     * @param string $key Name of the key to be used if exception is thrown.
-     * @param mixed  $var Variable to be asserted.
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsObject(string $key, $var): void
-    {
-        self::assertIsType($key, $var, [self::TYPE_OBJECT]);
-    }
-
-    /**
-     * Checks if given $val is of type string
-     *
-     * @param string $name Label or name of the variable to be used in exception message (if thrown).
-     * @param mixed  $var  Variable to be asserted.
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsString(string $name, $var): void
-    {
-        self::assertIsType($name, $var, [self::TYPE_STRING]);
-    }
-
-    /**
-     * @param string $name Label or name of the variable to be used in exception message (if thrown).
-     * @param mixed  $var  Variable to be asserted.
-     * @param int    $min  Min allowed value (inclusive)
-     * @param int    $max  Max allowed value (inclusive)
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RuntimeException
-     */
-    public static function assertIsIntRange(string $name, $var, int $min, int $max): void
-    {
-        self::assertIsInt($name, $var);
-
-        if ($min > $max) {
-            throw new \RuntimeException(
-                sprintf('%s: Invalid range for "%s". Ensure bound values are not swapped.', __FUNCTION__, $name));
-        }
-
-        if (($min > $var) || ($var > $max)) {
-            throw new \InvalidArgumentException(
-                sprintf('Invalid value of "%s" (%d). Must be between %d-%d inclusive.', $name, $var, $min, $max));
-        }
-    }
-
-    /**
-     * Checks if $item (of name $key) is of type that is include in $allowed_types.
-     *
-     * @param string $name          Label or name of the variable to be used in exception message (if thrown).
-     * @param mixed  $var           Variable to be asserted.
-     * @param array  $allowed_types Array of allowed types for $var, i.e. [Validator::TYPE_INTEGER]
-     *
-     * @return void
-     *
-     * @throws \InvalidArgumentException
-     */
-    public static function assertIsType(string $name, $var, array $allowed_types): void
-    {
-        $type = gettype($var);
-        if (!in_array($type, $allowed_types)) {
-            throw new \InvalidArgumentException(
-                sprintf('"%s" must be one of allowed types: %s (%s given)',
-                    $name, implode(', ', $allowed_types), gettype($var))
-            );
-        }
-    }
-
-    /**
-     * Ensures given $http_code is valid code for error response.
-     *
-     * @param int $http_code
-     */
-    public static function assertErrorHttpCode(int $http_code): void
-    {
-        self::assertIsInt('http_code', $http_code);
-        self::assertIsIntRange('http_code', $http_code,
-            ResponseBuilder::ERROR_HTTP_CODE_MIN, ResponseBuilder::ERROR_HTTP_CODE_MAX);
-    }
-
-    /**
-     * Ensures given $http_code is valid for response indicating sucessful operation.
-     *
-     * @param int $http_code
-     */
-    public static function assertOkHttpCode(int $http_code): void
-    {
-        self::assertIsInt('http_code', $http_code);
-        self::assertIsIntRange('http_code', $http_code, 200, 299);
-    }
-
-    /**
-     * Ensures $obj is instance of $cls.
-     *
-     * @param string $name
-     * @param object $obj
-     * @param string $cls
-     */
-    public static function assertInstanceOf(string $name, object $obj, string $cls): void
-    {
-        if (!($obj instanceof $cls)) {
-            throw new \InvalidArgumentException(
-                sprintf('"%s" must be instance of "%s".', $name, $cls)
-            );
-        }
-    }
+	/** @var string */
+	public const TYPE_STRING = 'string';
+
+	/** @var string */
+	public const TYPE_INTEGER = 'integer';
+
+	/** @var string */
+	public const TYPE_BOOL = 'boolean';
+
+	/** @var string */
+	public const TYPE_ARRAY = 'array';
+
+	/** @var string */
+	public const TYPE_OBJECT = 'object';
+
+	/** @var string */
+	public const TYPE_NULL = 'NULL';
+
+	/**
+	 * Checks if given $val is of type boolean
+	 *
+	 * @param string $key Name of the key to be used if exception is thrown.
+	 * @param mixed  $var Variable to be asserted.
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsBool(string $key, $var): void
+	{
+		self::assertIsType($key, $var, [self::TYPE_BOOL]);
+	}
+
+	/**
+	 * Checks if given $val is of type integer
+	 *
+	 * @param string $key Name of the key to be used if exception is thrown.
+	 * @param mixed  $var Variable to be asserted.
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsInt(string $key, $var): void
+	{
+		self::assertIsType($key, $var, [self::TYPE_INTEGER]);
+	}
+
+	/**
+	 * Checks if given $val is of type array
+	 *
+	 * @param string $key Name of the key to be used if exception is thrown.
+	 * @param mixed  $var Variable to be asserted.
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsArray(string $key, $var): void
+	{
+		self::assertIsType($key, $var, [self::TYPE_ARRAY]);
+	}
+
+	/**
+	 * Checks if given $val is an object
+	 *
+	 * @param string $key Name of the key to be used if exception is thrown.
+	 * @param mixed  $var Variable to be asserted.
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsObject(string $key, $var): void
+	{
+		self::assertIsType($key, $var, [self::TYPE_OBJECT]);
+	}
+
+	/**
+	 * Checks if given $val is of type string
+	 *
+	 * @param string $name Label or name of the variable to be used in exception message (if thrown).
+	 * @param mixed  $var  Variable to be asserted.
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsString(string $name, $var): void
+	{
+		self::assertIsType($name, $var, [self::TYPE_STRING]);
+	}
+
+	/**
+	 * @param string $name Label or name of the variable to be used in exception message (if thrown).
+	 * @param mixed  $var  Variable to be asserted.
+	 * @param int    $min  Min allowed value (inclusive)
+	 * @param int    $max  Max allowed value (inclusive)
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 * @throws \RuntimeException
+	 */
+	public static function assertIsIntRange(string $name, $var, int $min, int $max): void
+	{
+		self::assertIsInt($name, $var);
+
+		if ($min > $max) {
+			throw new \RuntimeException(
+				sprintf('%s: Invalid range for "%s". Ensure bound values are not swapped.', __FUNCTION__, $name));
+		}
+
+		if (($min > $var) || ($var > $max)) {
+			throw new \InvalidArgumentException(
+				sprintf('Invalid value of "%s" (%d). Must be between %d-%d inclusive.', $name, $var, $min, $max));
+		}
+	}
+
+	/**
+	 * Checks if $item (of name $key) is of type that is include in $allowed_types.
+	 *
+	 * @param string $name          Label or name of the variable to be used in exception message (if thrown).
+	 * @param mixed  $var           Variable to be asserted.
+	 * @param array  $allowed_types Array of allowed types for $var, i.e. [Validator::TYPE_INTEGER]
+	 *
+	 * @return void
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public static function assertIsType(string $name, $var, array $allowed_types): void
+	{
+		$type = gettype($var);
+		if (!in_array($type, $allowed_types)) {
+			throw new \InvalidArgumentException(
+				sprintf('"%s" must be one of allowed types: %s (%s given)',
+					$name, implode(', ', $allowed_types), gettype($var))
+			);
+		}
+	}
+
+	/**
+	 * Ensures given $http_code is valid code for error response.
+	 *
+	 * @param int $http_code
+	 */
+	public static function assertErrorHttpCode(int $http_code): void
+	{
+		self::assertIsInt('http_code', $http_code);
+		self::assertIsIntRange('http_code', $http_code,
+			ResponseBuilder::ERROR_HTTP_CODE_MIN, ResponseBuilder::ERROR_HTTP_CODE_MAX);
+	}
+
+	/**
+	 * Ensures given $http_code is valid for response indicating sucessful operation.
+	 *
+	 * @param int $http_code
+	 */
+	public static function assertOkHttpCode(int $http_code): void
+	{
+		self::assertIsInt('http_code', $http_code);
+		self::assertIsIntRange('http_code', $http_code, 200, 299);
+	}
+
+	/**
+	 * Ensures $obj is instance of $cls.
+	 *
+	 * @param string $name
+	 * @param object $obj
+	 * @param string $cls
+	 */
+	public static function assertInstanceOf(string $name, object $obj, string $cls): void
+	{
+		if (!($obj instanceof $cls)) {
+			throw new \InvalidArgumentException(
+				sprintf('"%s" must be instance of "%s".', $name, $cls)
+			);
+		}
+	}
 }