MarcinOrlowski / laravel-api-response-builder

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)
+			);
+		}
+	}
 }

src/Converter.php

Indentation +169 added lines, -169 removed lines

@@ -22,173 +22,173 @@
  */
 class Converter
 {
-    /**
-     * @var array
-     */
-    protected $classes = [];
-
-    /**
-     * Converter constructor.
-     *
-     * @throws \RuntimeException
-     */
-    public function __construct()
-    {
-        $this->classes = static::getClassesMapping() ?? [];
-    }
-
-    /**
-     * Returns local copy of configuration mapping for the classes.
-     *
-     * @return array
-     */
-    public function getClasses(): array
-    {
-        return $this->classes;
-    }
-
-    /**
-     * Checks if we have "classes" mapping configured for $data object class.
-     * Returns @true if there's valid config for this class.
-     * Throws \RuntimeException if there's no config "classes" mapping entry for this object configured.
-     * Throws \InvalidArgumentException if No data conversion mapping configured for given class.
-     *
-     * @param object $data Object to check mapping for.
-     *
-     * @return array
-     *
-     * @throws \InvalidArgumentException
-     */
-    protected function getClassMappingConfigOrThrow(object $data): array
-    {
-        $result = null;
-
-        // check for exact class name match...
-        $cls = \get_class($data);
-        if (\array_key_exists($cls, $this->classes)) {
-            $result = $this->classes[ $cls ];
-        } else {
-            // no exact match, then lets try with `instanceof`
-            foreach (\array_keys($this->getClasses()) as $class_name) {
-                if ($data instanceof $class_name) {
-                    $result = $this->classes[ $class_name ];
-                    break;
-                }
-            }
-        }
-
-        if ($result === null) {
-            throw new \InvalidArgumentException(sprintf('No data conversion mapping configured for "%s" class.', $cls));
-        }
-
-        return $result;
-    }
-
-    /**
-     * We need to prepare source data
-     *
-     * @param object|array|null $data
-     *
-     * @return array|null
-     *
-     * @throws \InvalidArgumentException
-     */
-    public function convert($data = null): ?array
-    {
-        if ($data === null) {
-            return null;
-        }
-
-        Validator::assertIsType('data', $data, [Validator::TYPE_ARRAY,
-                                                Validator::TYPE_OBJECT]);
-
-        if (\is_object($data)) {
-            $cfg = $this->getClassMappingConfigOrThrow($data);
-            $worker = new $cfg[ ResponseBuilder::KEY_HANDLER ]();
-            $data = $worker->convert($data, $cfg);
-        } else {
-            $data = $this->convertArray($data);
-        }
-
-        return $data;
-    }
-
-    /**
-     * Recursively walks $data array and converts all known objects if found. Note
-     * $data array is passed by reference so source $data array may be modified.
-     *
-     * @param array $data array to recursively convert known elements of
-     *
-     * @return array
-     *
-     * @throws \RuntimeException
-     */
-    protected function convertArray(array $data): array
-    {
-        // This is to ensure that we either have array with user provided keys i.e. ['foo'=>'bar'], which will then
-        // be turned into JSON object or array without user specified keys (['bar']) which we would return as JSON
-        // array. But you can't mix these two as the final JSON would not produce predictable results.
-        $string_keys_cnt = 0;
-        $int_keys_cnt = 0;
-        foreach ($data as $key => $val) {
-            if (\is_int($key)) {
-                $int_keys_cnt++;
-            } else {
-                $string_keys_cnt++;
-            }
-
-            if (($string_keys_cnt > 0) && ($int_keys_cnt > 0)) {
-                throw new \RuntimeException(
-                    'Invalid data array. Either set own keys for all the items or do not specify any keys at all. ' .
-                    'Arrays with mixed keys are not supported by design.');
-            }
-        }
-
-        foreach ($data as $key => $val) {
-            if (\is_array($val)) {
-                $data[ $key ] = $this->convertArray($val);
-            } elseif (\is_object($val)) {
-                $cfg = $this->getClassMappingConfigOrThrow($val);
-                $worker = new $cfg[ ResponseBuilder::KEY_HANDLER ]();
-                $converted_data = $worker->convert($val, $cfg);
-                $data[ $key ] = $converted_data;
-            }
-        }
-
-        return $data;
-    }
-
-    /**
-     * Reads and validates "classes" config mapping
-     *
-     * @return array Classes mapping as specified in configuration or empty array if configuration found
-     *
-     * @throws \RuntimeException if "classes" mapping is technically invalid (i.e. not array etc).
-     */
-    protected static function getClassesMapping(): array
-    {
-        $classes = Config::get(ResponseBuilder::CONF_KEY_CONVERTER);
-
-        if ($classes !== null) {
-            if (!\is_array($classes)) {
-                throw new \RuntimeException(
-                    \sprintf('CONFIG: "classes" mapping must be an array (%s given)', \gettype($classes)));
-            }
-
-            $mandatory_keys = [
-                ResponseBuilder::KEY_HANDLER,
-            ];
-            foreach ($classes as $class_name => $class_config) {
-                foreach ($mandatory_keys as $key_name) {
-                    if (!\array_key_exists($key_name, $class_config)) {
-                        throw new \RuntimeException("CONFIG: Missing '{$key_name}' for '{$class_name}' class mapping");
-                    }
-                }
-            }
-        } else {
-            $classes = [];
-        }
-
-        return $classes;
-    }
+	/**
+	 * @var array
+	 */
+	protected $classes = [];
+
+	/**
+	 * Converter constructor.
+	 *
+	 * @throws \RuntimeException
+	 */
+	public function __construct()
+	{
+		$this->classes = static::getClassesMapping() ?? [];
+	}
+
+	/**
+	 * Returns local copy of configuration mapping for the classes.
+	 *
+	 * @return array
+	 */
+	public function getClasses(): array
+	{
+		return $this->classes;
+	}
+
+	/**
+	 * Checks if we have "classes" mapping configured for $data object class.
+	 * Returns @true if there's valid config for this class.
+	 * Throws \RuntimeException if there's no config "classes" mapping entry for this object configured.
+	 * Throws \InvalidArgumentException if No data conversion mapping configured for given class.
+	 *
+	 * @param object $data Object to check mapping for.
+	 *
+	 * @return array
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	protected function getClassMappingConfigOrThrow(object $data): array
+	{
+		$result = null;
+
+		// check for exact class name match...
+		$cls = \get_class($data);
+		if (\array_key_exists($cls, $this->classes)) {
+			$result = $this->classes[ $cls ];
+		} else {
+			// no exact match, then lets try with `instanceof`
+			foreach (\array_keys($this->getClasses()) as $class_name) {
+				if ($data instanceof $class_name) {
+					$result = $this->classes[ $class_name ];
+					break;
+				}
+			}
+		}
+
+		if ($result === null) {
+			throw new \InvalidArgumentException(sprintf('No data conversion mapping configured for "%s" class.', $cls));
+		}
+
+		return $result;
+	}
+
+	/**
+	 * We need to prepare source data
+	 *
+	 * @param object|array|null $data
+	 *
+	 * @return array|null
+	 *
+	 * @throws \InvalidArgumentException
+	 */
+	public function convert($data = null): ?array
+	{
+		if ($data === null) {
+			return null;
+		}
+
+		Validator::assertIsType('data', $data, [Validator::TYPE_ARRAY,
+												Validator::TYPE_OBJECT]);
+
+		if (\is_object($data)) {
+			$cfg = $this->getClassMappingConfigOrThrow($data);
+			$worker = new $cfg[ ResponseBuilder::KEY_HANDLER ]();
+			$data = $worker->convert($data, $cfg);
+		} else {
+			$data = $this->convertArray($data);
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Recursively walks $data array and converts all known objects if found. Note
+	 * $data array is passed by reference so source $data array may be modified.
+	 *
+	 * @param array $data array to recursively convert known elements of
+	 *
+	 * @return array
+	 *
+	 * @throws \RuntimeException
+	 */
+	protected function convertArray(array $data): array
+	{
+		// This is to ensure that we either have array with user provided keys i.e. ['foo'=>'bar'], which will then
+		// be turned into JSON object or array without user specified keys (['bar']) which we would return as JSON
+		// array. But you can't mix these two as the final JSON would not produce predictable results.
+		$string_keys_cnt = 0;
+		$int_keys_cnt = 0;
+		foreach ($data as $key => $val) {
+			if (\is_int($key)) {
+				$int_keys_cnt++;
+			} else {
+				$string_keys_cnt++;
+			}
+
+			if (($string_keys_cnt > 0) && ($int_keys_cnt > 0)) {
+				throw new \RuntimeException(
+					'Invalid data array. Either set own keys for all the items or do not specify any keys at all. ' .
+					'Arrays with mixed keys are not supported by design.');
+			}
+		}
+
+		foreach ($data as $key => $val) {
+			if (\is_array($val)) {
+				$data[ $key ] = $this->convertArray($val);
+			} elseif (\is_object($val)) {
+				$cfg = $this->getClassMappingConfigOrThrow($val);
+				$worker = new $cfg[ ResponseBuilder::KEY_HANDLER ]();
+				$converted_data = $worker->convert($val, $cfg);
+				$data[ $key ] = $converted_data;
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Reads and validates "classes" config mapping
+	 *
+	 * @return array Classes mapping as specified in configuration or empty array if configuration found
+	 *
+	 * @throws \RuntimeException if "classes" mapping is technically invalid (i.e. not array etc).
+	 */
+	protected static function getClassesMapping(): array
+	{
+		$classes = Config::get(ResponseBuilder::CONF_KEY_CONVERTER);
+
+		if ($classes !== null) {
+			if (!\is_array($classes)) {
+				throw new \RuntimeException(
+					\sprintf('CONFIG: "classes" mapping must be an array (%s given)', \gettype($classes)));
+			}
+
+			$mandatory_keys = [
+				ResponseBuilder::KEY_HANDLER,
+			];
+			foreach ($classes as $class_name => $class_config) {
+				foreach ($mandatory_keys as $key_name) {
+					if (!\array_key_exists($key_name, $class_config)) {
+						throw new \RuntimeException("CONFIG: Missing '{$key_name}' for '{$class_name}' class mapping");
+					}
+				}
+			}
+		} else {
+			$classes = [];
+		}
+
+		return $classes;
+	}
 }