AbstractArrayBackedDaftObject::ArrayToJsonType() - Code Metrics - Inspection of "splitting more methods" - SignpostMarv/daft-object - Measure and Improve Code Quality continuously with Scrutinizer

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by SignpostMarv

created 2018-06-23 07:27 UTC

AbstractArrayBackedDaftObject::ArrayToJsonType() A

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	3
dl	0
loc	8
rs	9.4285
c	0
b	0
f	0
ccs	3
cts	3
cp	1
crap	1

<?php
/**
* Base daft objects.
*
* @author SignpostMarv
*/
declare(strict_types=1);

namespace SignpostMarv\DaftObject;

use Closure;

/**
* Array-backed daft objects.
*/
abstract class AbstractArrayBackedDaftObject extends AbstractDaftObject implements DaftObjectCreatedByArray
{
    /**
    * data for this instance.
    *
    * @var array<string, mixed>
    */
    private $data = [];

    /**
    * List of changed properties.
    *
    * @var array<string, bool>
    */
    private $changedProperties = [];

    /**
    * List of changed properties, for write-once read-many.
    *
    * @var array<string, bool>
    */
    private $wormProperties = [];

    public function __construct(array $data = [], bool $writeAll = false)
    {
        parent::__construct();

        if (true === $writeAll) {
            foreach ($data as $k => $v) {
                $this->__set($k, $v);
            }
        } else {
            foreach ($data as $k => $v) {
                $this->data[$k] = $v;
            }
        }
    }

    public function __isset(string $property) : bool
    {
        return
            in_array($property, static::PROPERTIES, true) &&
            isset($this->data, $this->data[$property]);
    }

    public function ChangedProperties() : array
    {
        return array_keys($this->changedProperties);
    }

    public function MakePropertiesUnchanged(string ...$properties) : void
    {
        foreach ($properties as $property) {
            unset($this->changedProperties[$property]);
        }
    }

    public function HasPropertyChanged(string $property) : bool
    {
        return
            isset($this->changedProperties[$property]) &&
            true === $this->changedProperties[$property];
    }

    public function jsonSerialize() : array
    {
        JsonTypeUtilities::ThrowIfNotDaftJson(static::class);

        $out = [];

        foreach (static::DaftObjectJsonPropertyNames() as $property) {
            $val = $this->DoGetSet($property, false);

            if (false === is_null($val)) {
                $out[$property] = $val;
            }
        }

        return $out;
    }

    final public static function DaftObjectFromJsonArray(
        array $array,
        bool $writeAll = false
    ) : DaftJson {
        JsonTypeUtilities::ThrowIfNotDaftJson(static::class);
        $array = static::ThrowIfJsonDefNotValid($array);
        $props = array_keys($array);
        $mapper = static::DaftJsonClosure($array, $writeAll);

        /**
        * @var DaftJson $out
        */
        $out = new static(array_combine($props, array_map($mapper, $props)), $writeAll);

        return $out;
    }

    public static function DaftObjectFromJsonString(string $string) : DaftJson
    {
        JsonTypeUtilities::ThrowIfNotDaftJson(static::class);

        return static::DaftObjectFromJsonArray(json_decode($string, true));
    }

    public function DaftObjectWormPropertyWritten(string $property) : bool
    {
        $wormProperties = $this->wormProperties;

        return
            ($this instanceof DaftObjectWorm) &&
            (
                $this->HasPropertyChanged($property) ||
                false === empty($wormProperties[$property])
            );
    }

    final protected static function DaftJsonClosure(array $array, bool $writeAll) : Closure
    {
        $jsonDef = static::DaftObjectJsonProperties();

        return
            /**
            * @return mixed
            */
            function (string $prop) use ($array, $jsonDef, $writeAll) {
                $jsonType = $jsonDef[$prop] ?? null;

                if ( ! is_string($jsonType)) {
                    return $array[$prop];
                }

                return static::DaftJsonFromJsonType($jsonType, $prop, $array[$prop], $writeAll);
            };
    }

    /**
    * @return array<int, DaftJson>|DaftJson
    */
    final protected static function DaftJsonFromJsonType(
        string $jsonType,
        string $prop,
        array $propVal,
        bool $writeAll
    ) {
        if ('[]' === mb_substr($jsonType, -2)) {
            $jsonType = mb_substr($jsonType, 0, -2);

            return static::DaftObjectFromJsonTypeArray($jsonType, $prop, $propVal, $writeAll);
        }

        return JsonTypeUtilities::ArrayToJsonType($jsonType, $propVal, $writeAll);
    }

    /**
    * @return array<int, DaftJson>
    */
    protected static function DaftObjectFromJsonTypeArray(
        string $jsonType,
        string $prop,
        array $propVal,
        bool $writeAll
    ) : array {
        JsonTypeUtilities::ThrowIfNotJsonType($jsonType);

        $out = [];

        foreach ($propVal as $val) {
            if (false === is_array($val)) {
                throw new PropertyNotJsonDecodableShouldBeArrayException($jsonType, $prop);
            }
            $out[] = JsonTypeUtilities::ArrayToJsonType($jsonType, $val, $writeAll);
        }

        return $out;
    }

    /**
    * Retrieve a property from data.
    *
    * @param string $property the property being retrieved
    *
    * @throws PropertyNotNullableException if value is not set and $property is not listed as nullabe
    *
    * @return mixed the property value
    */
    protected function RetrievePropertyValueFromData(string $property)
    {
        if (
            false === array_key_exists($property, $this->data) &&
            false === in_array($property, static::NULLABLE_PROPERTIES, true)
        ) {
            throw new PropertyNotNullableException(static::class, $property);
        } elseif (
            in_array($property, static::NULLABLE_PROPERTIES, true)
        ) {
            return $this->data[$property] ?? null;
        }

        return $this->data[$property];
    }

    protected function NudgePropertyValue(string $property, $value) : void
    {
        $this->MaybeThrowForPropertyOnNudge($property);
        $this->MaybeThrowOnNudge($property, $value, static::NULLABLE_PROPERTIES);

        $isChanged = (
            false === array_key_exists($property, $this->data) ||
            $this->data[$property] !== $value
        );

        $this->data[$property] = $value;

        if ($isChanged && true !== isset($this->changedProperties[$property])) {
            $this->changedProperties[$property] = true;
            $this->wormProperties[$property] = true;
        }
    }

    /**
    * @see AbstractArrayBackedDaftObject::NudgePropertyValue()
    */
    private function MaybeThrowForPropertyOnNudge(string $property) : void
    {
        if (true !== in_array($property, static::PROPERTIES, true)) {
            throw new UndefinedPropertyException(static::class, $property);
        } elseif ($this->DaftObjectWormPropertyWritten($property)) {
            throw new PropertyNotRewriteableException(static::class, $property);
        }
    }

    /**
    * @param mixed $value
    *
    * @see AbstractArrayBackedDaftObject::NudgePropertyValue()
    */
    private function MaybeThrowOnNudge(string $property, $value, array $properties) : void
    {
        if (true === is_null($value) && true !== in_array($property, $properties, true)) {
            throw new PropertyNotNullableException(static::class, $property);
        }
    }

    private static function ThrowIfJsonDefNotValid(array $array) : array
    {
        $jsonProps = static::DaftObjectJsonPropertyNames();
        $array = JsonTypeUtilities::FilterThrowIfJsonDefNotValid(static::class, $jsonProps, $array);
        $jsonDef = static::DaftObjectJsonProperties();

        $keys = array_keys($array);

        return array_combine($keys, array_map(
            JsonTypeUtilities::MakeMapperThrowIfJsonDefNotValid(static::class, $jsonDef, $array),
            $keys
        ));
    }
}


1		<?php
2		/**
3		* Base daft objects.
4		*
5		* @author SignpostMarv
6		*/
7		declare(strict_types=1);
8
9		namespace SignpostMarv\DaftObject;
10
11		use Closure;
12
13		/**
14		* Array-backed daft objects.
15		*/
16		abstract class AbstractArrayBackedDaftObject extends AbstractDaftObject implements DaftObjectCreatedByArray
17		{
18		/**
19		* data for this instance.
20		*
21		* @var array<string, mixed>
22		*/
23		private $data = [];
24
25		/**
26		* List of changed properties.
27		*
28		* @var array<string, bool>
29		*/
30		private $changedProperties = [];
31
32		/**
33		* List of changed properties, for write-once read-many.
34		*
35		* @var array<string, bool>
36		*/
37		private $wormProperties = [];
38
39	376	public function __construct(array $data = [], bool $writeAll = false)
40		{
41	376	parent::__construct();
42
43	372	if (true === $writeAll) {
44	122	foreach ($data as $k => $v) {
45	122	$this->__set($k, $v);
46		}
47		} else {
48	254	foreach ($data as $k => $v) {
49	132	$this->data[$k] = $v;
50		}
51		}
52	368	}
53
54	62	public function __isset(string $property) : bool
55		{
56		return
57	62	in_array($property, static::PROPERTIES, true) &&
58	62	isset($this->data, $this->data[$property]);
59		}
60
61	58	public function ChangedProperties() : array
62		{
63	58	return array_keys($this->changedProperties);
64		}
65
66	66	public function MakePropertiesUnchanged(string ...$properties) : void
67		{
68	66	foreach ($properties as $property) {
69	66	unset($this->changedProperties[$property]);
70		}
71	66	}
72
73	200	public function HasPropertyChanged(string $property) : bool
74		{
75		return
76	200	isset($this->changedProperties[$property]) &&
77	200	true === $this->changedProperties[$property];
78		}
79
80	44	public function jsonSerialize() : array
81		{
82	44	JsonTypeUtilities::ThrowIfNotDaftJson(static::class);
83
84	12	$out = [];
85
86	12	foreach (static::DaftObjectJsonPropertyNames() as $property) {
87	12	$val = $this->DoGetSet($property, false);
88
89	12	if (false === is_null($val)) {
90	12	$out[$property] = $val;
91		}
92		}
93
94	12	return $out;
95		}
96
97	56	final public static function DaftObjectFromJsonArray(
98		array $array,
99		bool $writeAll = false
100		) : DaftJson {
101	56	JsonTypeUtilities::ThrowIfNotDaftJson(static::class);
102	24	$array = static::ThrowIfJsonDefNotValid($array);
103	18	$props = array_keys($array);
104	18	$mapper = static::DaftJsonClosure($array, $writeAll);
105
106		/**
107		* @var DaftJson $out
108		*/
109	18	$out = new static(array_combine($props, array_map($mapper, $props)), $writeAll);
110
111	14	return $out;
112		}
113
114	44	public static function DaftObjectFromJsonString(string $string) : DaftJson
115		{
116	44	JsonTypeUtilities::ThrowIfNotDaftJson(static::class);
117
118	12	return static::DaftObjectFromJsonArray(json_decode($string, true));
119		}
120
121	266	public function DaftObjectWormPropertyWritten(string $property) : bool
122		{
123	266	$wormProperties = $this->wormProperties;
124
125		return
126	266	($this instanceof DaftObjectWorm) &&
127		(
128	136	$this->HasPropertyChanged($property) \|\|
129	266	false === empty($wormProperties[$property])
130		);
131		}
132
133	18	final protected static function DaftJsonClosure(array $array, bool $writeAll) : Closure
134		{
135	18	$jsonDef = static::DaftObjectJsonProperties();
136
137		return
138		/**
139		* @return mixed
140		*/
141		function (string $prop) use ($array, $jsonDef, $writeAll) {
142	16	$jsonType = $jsonDef[$prop] ?? null;
143
144	16	if ( ! is_string($jsonType)) {
145	12	return $array[$prop];
146		}
147
148	10	return static::DaftJsonFromJsonType($jsonType, $prop, $array[$prop], $writeAll);
149	18	};
150		}
151
152		/**
153		* @return array<int, DaftJson>\|DaftJson
154		*/
155	10	final protected static function DaftJsonFromJsonType(
156		string $jsonType,
157		string $prop,
158		array $propVal,
159		bool $writeAll
160		) {
161	10	if ('[]' === mb_substr($jsonType, -2)) {
162	6	$jsonType = mb_substr($jsonType, 0, -2);
163
164	6	return static::DaftObjectFromJsonTypeArray($jsonType, $prop, $propVal, $writeAll);
165		}
166
167	4	return JsonTypeUtilities::ArrayToJsonType($jsonType, $propVal, $writeAll);
168		}
169
170		/**
171		* @return array<int, DaftJson>
172		*/
173	6	protected static function DaftObjectFromJsonTypeArray(
174		string $jsonType,
175		string $prop,
176		array $propVal,
177		bool $writeAll
178		) : array {
179	6	JsonTypeUtilities::ThrowIfNotJsonType($jsonType);
180
181	4	$out = [];
182
183	4	foreach ($propVal as $val) {
184	4	if (false === is_array($val)) {
185	2	throw new PropertyNotJsonDecodableShouldBeArrayException($jsonType, $prop);
186		}
187	2	$out[] = JsonTypeUtilities::ArrayToJsonType($jsonType, $val, $writeAll);
188		}
189
190	2	return $out;
191		}
192
193		/**
194		* Retrieve a property from data.
195		*
196		* @param string $property the property being retrieved
197		*
198		* @throws PropertyNotNullableException if value is not set and $property is not listed as nullabe
199		*
200		* @return mixed the property value
201		*/
202	90	protected function RetrievePropertyValueFromData(string $property)
203		{
204		if (
205	90	false === array_key_exists($property, $this->data) &&
206	90	false === in_array($property, static::NULLABLE_PROPERTIES, true)
207		) {
208	4	throw new PropertyNotNullableException(static::class, $property);
209		} elseif (
210	86	in_array($property, static::NULLABLE_PROPERTIES, true)
211		) {
212	66	return $this->data[$property] ?? null;
213		}
214
215	86	return $this->data[$property];
216		}
217
218	268	protected function NudgePropertyValue(string $property, $value) : void
219		{
220	268	$this->MaybeThrowForPropertyOnNudge($property);
221	266	$this->MaybeThrowOnNudge($property, $value, static::NULLABLE_PROPERTIES);
222
223		$isChanged = (
224	150	false === array_key_exists($property, $this->data) \|\|
225	150	$this->data[$property] !== $value
226		);
227
228	150	$this->data[$property] = $value;
229
230	150	if ($isChanged && true !== isset($this->changedProperties[$property])) {
231	150	$this->changedProperties[$property] = true;
232	150	$this->wormProperties[$property] = true;
233		}
234	150	}
235
236		/**
237		* @see AbstractArrayBackedDaftObject::NudgePropertyValue()
238		*/
239	268	private function MaybeThrowForPropertyOnNudge(string $property) : void
240		{
241	268	if (true !== in_array($property, static::PROPERTIES, true)) {
242	2	throw new UndefinedPropertyException(static::class, $property);
243	266	} elseif ($this->DaftObjectWormPropertyWritten($property)) {
244	100	throw new PropertyNotRewriteableException(static::class, $property);
245		}
246	266	}
247
248		/**
249		* @param mixed $value
250		*
251		* @see AbstractArrayBackedDaftObject::NudgePropertyValue()
252		*/
253	266	private function MaybeThrowOnNudge(string $property, $value, array $properties) : void
254		{
255	266	if (true === is_null($value) && true !== in_array($property, $properties, true)) {
256	116	throw new PropertyNotNullableException(static::class, $property);
257		}
258	150	}
259
260	24	private static function ThrowIfJsonDefNotValid(array $array) : array
261		{
262	24	$jsonProps = static::DaftObjectJsonPropertyNames();
263	24	$array = JsonTypeUtilities::FilterThrowIfJsonDefNotValid(static::class, $jsonProps, $array);
264	22	$jsonDef = static::DaftObjectJsonProperties();
265
266	22	$keys = array_keys($array);
267
268	22	return array_combine($keys, array_map(
269	22	JsonTypeUtilities::MakeMapperThrowIfJsonDefNotValid(static::class, $jsonDef, $array),
270	22	$keys
271		));
272		}
273		}
274

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AbstractArrayBackedDaftObject::ArrayToJsonType() A

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