| Total Complexity | 58 | 
| Total Lines | 464 | 
| Duplicated Lines | 0 % | 
| Changes | 0 | ||
Complex classes like Service often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Service, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 15 | class Service implements \JsonSerializable  | 
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| 16 | { | 
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| 17 | /** @var string */  | 
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| 18 | private $serviceName = '';  | 
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| 19 | /** @var string|null */  | 
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| 20 | private $image = null;  | 
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| 21 | /** @var string[] */  | 
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| 22 | private $command = [];  | 
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| 23 | /** @var int[] */  | 
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| 24 | private $internalPorts = [];  | 
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| 25 | /** @var string[] */  | 
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| 26 | private $dependsOn = [];  | 
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| 27 | /** @var mixed[] */  | 
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| 28 | private $ports = [];  | 
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| 29 | /** @var mixed[] */  | 
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| 30 | private $labels = [];  | 
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| 31 | /** @var mixed[] */  | 
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| 32 | private $environment = [];  | 
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| 33 | /** @var mixed[] */  | 
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| 34 | private $volumes = [];  | 
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| 35 | /** @var null|bool */  | 
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| 36 | private $needVirtualHost = null;  | 
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| 37 | /** @var \stdClass */  | 
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| 38 | private $validatorSchema;  | 
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| 39 | /** @var string[] */  | 
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| 40 | private $dockerfileCommands = [];  | 
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| 41 | |||
| 42 | /**  | 
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| 43 | * Service constructor.  | 
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| 44 | */  | 
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| 45 | public function __construct()  | 
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| 46 |     { | 
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| 47 | $this->validatorSchema = json_decode((string)file_get_contents(__DIR__ . '/ServiceJsonSchema.json'), false);  | 
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| 48 | }  | 
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| 49 | |||
| 50 | /**  | 
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| 51 | * @param mixed[] $payload  | 
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| 52 | * @return Service  | 
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| 53 | * @throws ServiceException  | 
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| 54 | */  | 
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| 55 | public static function parsePayload(array $payload): Service  | 
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| 56 |     { | 
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| 57 | $service = new self();  | 
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| 58 | $service->checkValidity($payload);  | 
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| 59 | $service->serviceName = $payload['serviceName'] ?? '';  | 
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| 60 | $s = $payload['service'] ?? [];  | 
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| 61 |         if (!empty($s)) { | 
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| 62 | $service->image = $s['image'] ?? null;  | 
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| 63 | $service->command = $s['command'] ?? [];  | 
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| 64 | $service->internalPorts = $s['internalPorts'] ?? [];  | 
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| 65 | $service->dependsOn = $s['dependsOn'] ?? [];  | 
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| 66 | $service->ports = $s['ports'] ?? [];  | 
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| 67 | $service->labels = $s['labels'] ?? [];  | 
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| 68 |             if (!empty($s['environment'])) { | 
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| 69 |                 foreach ($s['environment'] as $key => $env) { | 
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| 70 | $service->addEnvVar($key, $env['value'], $env['type']);  | 
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| 71 | }  | 
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| 72 | }  | 
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| 73 |             if (!empty($s['volumes'])) { | 
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| 74 |                 foreach ($s['volumes'] as $vol) { | 
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| 75 | $service->addVolume($vol['type'], $vol['source'], $vol['target'] ?? '', $vol['readOnly'] ?? false);  | 
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| 76 | }  | 
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| 77 | }  | 
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| 78 | $service->needVirtualHost = $s['needVirtualHost'] ?? null;  | 
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| 79 | }  | 
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| 80 | $service->dockerfileCommands = $payload['dockerfileCommands'] ?? [];  | 
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| 81 | return $service;  | 
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| 82 | }  | 
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| 83 | |||
| 84 | /**  | 
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| 85 | * Specify data which should be serialized to JSON  | 
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| 86 | * @link http://php.net/manual/en/jsonserializable.jsonserialize.php  | 
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| 87 | * @return array data which can be serialized by <b>json_encode</b>,  | 
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| 88 | * which is a value of any type other than a resource.  | 
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| 89 | * @since 5.4.0  | 
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| 90 | * @throws ServiceException  | 
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| 91 | */  | 
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| 92 | public function jsonSerialize(): array  | 
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| 93 |     { | 
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| 94 |         $jsonSerializeMap = function (\JsonSerializable $obj): array { | 
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| 95 | return $obj->jsonSerialize();  | 
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| 96 | };  | 
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| 97 | |||
| 98 | $json = array(  | 
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| 99 | 'serviceName' => $this->serviceName,  | 
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| 100 | );  | 
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| 101 | |||
| 102 | $service = array_filter([  | 
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| 103 | 'image' => $this->image,  | 
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| 104 | 'command' => $this->command,  | 
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| 105 | 'internalPorts' => $this->internalPorts,  | 
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| 106 | 'dependsOn' => $this->dependsOn,  | 
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| 107 | 'ports' => $this->ports,  | 
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| 108 | 'labels' => $this->labels,  | 
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| 109 | 'environment' => array_map($jsonSerializeMap, $this->environment),  | 
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| 110 | 'volumes' => array_map($jsonSerializeMap, $this->volumes),  | 
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| 111 | 'needVirtualHost' => $this->needVirtualHost,  | 
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| 112 | ]);  | 
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| 113 | |||
| 114 |         if (!empty($service)) { | 
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| 115 | $json['service'] = $service;  | 
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| 116 | }  | 
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| 117 | |||
| 118 |         if (!empty($this->dockerfileCommands)) { | 
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| 119 | $json['dockerfileCommands'] = $this->dockerfileCommands;  | 
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| 120 | }  | 
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| 121 | |||
| 122 | $this->checkValidity($json);  | 
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| 123 | return $json;  | 
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| 124 | }  | 
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| 125 | |||
| 126 | /**  | 
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| 127 | * @return mixed[]  | 
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| 128 | */  | 
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| 129 | public function imageJsonSerialize(): array  | 
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| 130 |     { | 
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| 131 | $dockerfileCommands = [];  | 
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| 132 | $dockerfileCommands[] = 'FROM ' . $this->image;  | 
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| 133 |         foreach ($this->environment as $key => $env) { | 
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| 134 |             if ($env->getType() === EnvVariableTypeEnum::IMAGE_ENV_VARIABLE) { | 
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| 135 | $dockerfileCommands[] = "ENV $key" . '='. $env->getValue();  | 
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| 136 | }  | 
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| 137 | }  | 
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| 138 |         foreach ($this->volumes as $volume) { | 
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| 139 |             if ($volume->getType() === VolumeTypeEnum::BIND_VOLUME) { | 
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| 140 | $dockerfileCommands[] = 'COPY ' . $volume->getSource() . ' ' . $volume->getTarget();  | 
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| 141 | }  | 
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| 142 | }  | 
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| 143 | |||
| 144 |         if (!empty($this->command)) { | 
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| 145 |             $dockerfileCommands[] = 'CMD ' . implode(' ', $this->command); | 
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| 146 | }  | 
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| 147 | |||
| 148 | $dockerfileCommands = array_merge($dockerfileCommands, $this->dockerfileCommands);  | 
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| 149 | |||
| 150 | return [  | 
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| 151 | 'serviceName' => $this->serviceName,  | 
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| 152 | 'dockerfileCommands' => $dockerfileCommands,  | 
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| 153 | ];  | 
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| 154 | }  | 
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| 155 | |||
| 156 | /**  | 
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| 157 | * @param \stdClass|array|string $data  | 
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| 158 | * @return bool  | 
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| 159 | * @throws ServiceException  | 
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| 160 | */  | 
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| 161 | private function checkValidity($data): bool  | 
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| 162 |     { | 
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| 163 |         if (\is_array($data)) { | 
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| 164 | $data = \GuzzleHttp\json_decode(\GuzzleHttp\json_encode($data), false);  | 
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| 165 | }  | 
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| 166 | $validator = new Validator();  | 
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| 167 | $result = $validator->dataValidation($data, $this->validatorSchema);  | 
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| 168 |         if (!$result->isValid()) { | 
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| 169 | /** @var ValidationError $vError */  | 
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| 170 | $vError = $result->getFirstError();  | 
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| 171 | throw ServiceException::invalidServiceData($vError);  | 
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| 172 | }  | 
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| 173 | return $result->isValid();  | 
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| 174 | }  | 
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| 175 | |||
| 176 | /**  | 
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| 177 | * @return string  | 
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| 178 | */  | 
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| 179 | public function getServiceName(): string  | 
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| 180 |     { | 
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| 181 | return $this->serviceName;  | 
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| 182 | }  | 
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| 183 | |||
| 184 | /**  | 
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| 185 | * @return string|null  | 
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| 186 | */  | 
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| 187 | public function getImage(): ?string  | 
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| 188 |     { | 
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| 189 | return $this->image;  | 
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| 190 | }  | 
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| 191 | |||
| 192 | /**  | 
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| 193 | * @return string[]  | 
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| 194 | */  | 
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| 195 | public function getCommand(): array  | 
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| 196 |     { | 
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| 197 | return $this->command;  | 
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| 198 | }  | 
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| 199 | |||
| 200 | /**  | 
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| 201 | * @return int[]  | 
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| 202 | */  | 
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| 203 | public function getInternalPorts(): array  | 
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| 204 |     { | 
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| 205 | return $this->internalPorts;  | 
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| 206 | }  | 
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| 207 | |||
| 208 | /**  | 
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| 209 | * @return string[]  | 
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| 210 | */  | 
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| 211 | public function getDependsOn(): array  | 
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| 212 |     { | 
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| 213 | return $this->dependsOn;  | 
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| 214 | }  | 
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| 215 | |||
| 216 | /**  | 
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| 217 | * @return mixed[]  | 
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| 218 | */  | 
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| 219 | public function getPorts(): array  | 
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| 222 | }  | 
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| 223 | |||
| 224 | /**  | 
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| 225 | * @return mixed[]  | 
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| 226 | */  | 
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| 227 | public function getLabels(): array  | 
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| 228 |     { | 
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| 229 | return $this->labels;  | 
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| 230 | }  | 
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| 231 | |||
| 232 | /**  | 
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| 233 | * @return mixed[]  | 
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| 234 | */  | 
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| 235 | public function getEnvironment(): array  | 
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| 238 | }  | 
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| 239 | |||
| 240 | /**  | 
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| 241 | * @return mixed[]  | 
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| 242 | */  | 
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| 243 | public function getVolumes(): array  | 
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| 246 | }  | 
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| 247 | |||
| 248 | /**  | 
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| 249 | * @return bool|null  | 
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| 250 | */  | 
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| 251 | public function getNeedVirtualHost(): ?bool  | 
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| 252 |     { | 
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| 253 | return $this->needVirtualHost;  | 
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| 254 | }  | 
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| 255 | |||
| 256 | /**  | 
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| 257 | * @return string[]  | 
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| 258 | */  | 
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| 259 | public function getDockerfileCommands(): array  | 
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| 260 |     { | 
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| 261 | return $this->dockerfileCommands;  | 
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| 262 | }  | 
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| 263 | |||
| 264 | /**  | 
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| 265 | * @param string $serviceName  | 
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| 266 | */  | 
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| 267 | public function setServiceName(string $serviceName): void  | 
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| 268 |     { | 
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| 269 | $this->serviceName = $serviceName;  | 
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| 270 | }  | 
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| 271 | |||
| 272 | /**  | 
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| 273 | * @param string|null $image  | 
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| 274 | */  | 
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| 275 | public function setImage(?string $image): void  | 
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| 276 |     { | 
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| 277 | $this->image = $image;  | 
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| 278 | }  | 
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| 279 | |||
| 280 | /**  | 
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| 281 | * @param string[] $command  | 
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| 282 | */  | 
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| 283 | public function setCommand(array $command): void  | 
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| 284 |     { | 
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| 285 | $this->command = $command;  | 
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| 286 | }  | 
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| 287 | |||
| 288 | /**  | 
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| 289 | * @param int[] $internalPorts  | 
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| 290 | */  | 
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| 291 | public function setInternalPorts(array $internalPorts): void  | 
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| 292 |     { | 
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| 293 | $this->internalPorts = $internalPorts;  | 
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| 294 | }  | 
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| 295 | |||
| 296 | /**  | 
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| 297 | * @param string[] $dependsOn  | 
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| 298 | */  | 
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| 299 | public function setDependsOn(array $dependsOn): void  | 
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| 300 |     { | 
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| 301 | $this->dependsOn = $dependsOn;  | 
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| 302 | }  | 
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| 303 | |||
| 304 | /**  | 
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| 305 | * @param bool|null $needVirtualHost  | 
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| 306 | */  | 
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| 307 | public function setNeedVirtualHost(?bool $needVirtualHost): void  | 
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| 308 |     { | 
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| 309 | $this->needVirtualHost = $needVirtualHost;  | 
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| 310 | }  | 
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| 311 | |||
| 312 | /**  | 
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| 313 | * @param string $command  | 
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| 314 | */  | 
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| 315 | public function addCommand(string $command): void  | 
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| 316 |     { | 
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| 317 | $this->command[] = $command;  | 
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| 318 | }  | 
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| 319 | |||
| 320 | /**  | 
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| 321 | * @param int $internalPort  | 
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| 322 | */  | 
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| 323 | public function addInternalPort(int $internalPort): void  | 
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| 324 |     { | 
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| 325 | $this->internalPorts[] = $internalPort;  | 
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| 326 | }  | 
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| 327 | |||
| 328 | /**  | 
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| 329 | * @param string $dependsOn  | 
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| 330 | */  | 
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| 331 | public function addDependsOn(string $dependsOn): void  | 
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| 332 |     { | 
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| 333 | $this->dependsOn[] = $dependsOn;  | 
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| 334 | }  | 
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| 335 | |||
| 336 | /**  | 
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| 337 | * @param int $source  | 
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| 338 | * @param int $target  | 
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| 339 | */  | 
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| 340 | public function addPort(int $source, int $target): void  | 
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| 345 | );  | 
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| 346 | }  | 
            ||
| 347 | |||
| 348 | /**  | 
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| 349 | * @param string $key  | 
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| 350 | * @param string $value  | 
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| 351 | */  | 
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| 352 | public function addLabel(string $key, string $value): void  | 
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| 353 |     { | 
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| 354 | $this->labels[$key] = array(  | 
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| 355 | 'value' => $value,  | 
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| 356 | );  | 
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| 357 | }  | 
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| 358 | |||
| 359 | /**  | 
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| 360 | * @param string $key  | 
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| 361 | * @param string $value  | 
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| 362 | * @param string $type  | 
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| 363 | * @throws ServiceException  | 
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| 364 | */  | 
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| 365 | private function addEnvVar(string $key, string $value, string $type): void  | 
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| 366 |     { | 
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| 367 |         switch ($type) { | 
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| 368 | case EnvVariableTypeEnum::SHARED_ENV_VARIABLE:  | 
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| 369 | $this->addSharedEnvVariable($key, $value);  | 
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| 370 | break;  | 
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| 371 | case EnvVariableTypeEnum::SHARED_SECRET:  | 
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| 372 | $this->addSharedSecret($key, $value);  | 
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| 373 | break;  | 
            ||
| 374 | case EnvVariableTypeEnum::IMAGE_ENV_VARIABLE:  | 
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| 375 | $this->addImageEnvVariable($key, $value);  | 
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| 376 | break;  | 
            ||
| 377 | case EnvVariableTypeEnum::CONTAINER_ENV_VARIABLE:  | 
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| 378 | $this->addContainerEnvVariable($key, $value);  | 
            ||
| 379 | break;  | 
            ||
| 380 | default:  | 
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| 381 | throw ServiceException::unknownEnvVariableType($type);  | 
            ||
| 382 | }  | 
            ||
| 383 | }  | 
            ||
| 384 | |||
| 385 | /**  | 
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| 386 | * @param string $key  | 
            ||
| 387 | * @param string $value  | 
            ||
| 388 | */  | 
            ||
| 389 | public function addSharedEnvVariable(string $key, string $value): void  | 
            ||
| 390 |     { | 
            ||
| 391 | $this->environment[$key] = new EnvVariable($value, 'sharedEnvVariable');  | 
            ||
| 392 | }  | 
            ||
| 393 | |||
| 394 | /**  | 
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| 395 | * @param string $key  | 
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| 396 | * @param string $value  | 
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| 397 | */  | 
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| 398 | public function addSharedSecret(string $key, string $value): void  | 
            ||
| 399 |     { | 
            ||
| 400 | $this->environment[$key] = new EnvVariable($value, 'sharedSecret');  | 
            ||
| 401 | }  | 
            ||
| 402 | |||
| 403 | /**  | 
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| 404 | * @param string $key  | 
            ||
| 405 | * @param string $value  | 
            ||
| 406 | */  | 
            ||
| 407 | public function addImageEnvVariable(string $key, string $value): void  | 
            ||
| 408 |     { | 
            ||
| 409 | $this->environment[$key] = new EnvVariable($value, 'imageEnvVariable');  | 
            ||
| 410 | }  | 
            ||
| 411 | |||
| 412 | /**  | 
            ||
| 413 | * @param string $key  | 
            ||
| 414 | * @param string $value  | 
            ||
| 415 | */  | 
            ||
| 416 | public function addContainerEnvVariable(string $key, string $value): void  | 
            ||
| 417 |     { | 
            ||
| 418 | $this->environment[$key] = new EnvVariable($value, 'containerEnvVariable');  | 
            ||
| 419 | }  | 
            ||
| 420 | |||
| 421 | /**  | 
            ||
| 422 | * @param string $type  | 
            ||
| 423 | * @param string $source  | 
            ||
| 424 | * @param string $target  | 
            ||
| 425 | * @param bool $readOnly  | 
            ||
| 426 | * @throws ServiceException  | 
            ||
| 427 | */  | 
            ||
| 428 | private function addVolume(string $type, string $source, string $target = '', bool $readOnly = false): void  | 
            ||
| 429 |     { | 
            ||
| 430 |         switch ($type) { | 
            ||
| 431 | case VolumeTypeEnum::NAMED_VOLUME:  | 
            ||
| 432 | $this->addNamedVolume($source, $target, $readOnly);  | 
            ||
| 433 | break;  | 
            ||
| 434 | case VolumeTypeEnum::BIND_VOLUME:  | 
            ||
| 435 | $this->addBindVolume($source, $target, $readOnly);  | 
            ||
| 436 | break;  | 
            ||
| 437 | case VolumeTypeEnum::TMPFS_VOLUME:  | 
            ||
| 438 | $this->addTmpfsVolume($source);  | 
            ||
| 439 | break;  | 
            ||
| 440 | default:  | 
            ||
| 441 | throw ServiceException::unknownVolumeType($type);  | 
            ||
| 442 | }  | 
            ||
| 443 | }  | 
            ||
| 444 | |||
| 445 | /**  | 
            ||
| 446 | * @param string $source  | 
            ||
| 447 | * @param string $target  | 
            ||
| 448 | * @param bool $readOnly  | 
            ||
| 449 | */  | 
            ||
| 450 | public function addNamedVolume(string $source, string $target, bool $readOnly = false): void  | 
            ||
| 451 |     { | 
            ||
| 452 | $this->volumes[] = new NamedVolume($source, $target, $readOnly);  | 
            ||
| 453 | }  | 
            ||
| 454 | |||
| 455 | /**  | 
            ||
| 456 | * @param string $source  | 
            ||
| 457 | * @param string $target  | 
            ||
| 458 | * @param bool $readOnly  | 
            ||
| 459 | */  | 
            ||
| 460 | public function addBindVolume(string $source, string $target, bool $readOnly = false): void  | 
            ||
| 461 |     { | 
            ||
| 462 | $this->volumes[] = new BindVolume($source, $target, $readOnly);  | 
            ||
| 463 | }  | 
            ||
| 464 | |||
| 465 | /**  | 
            ||
| 466 | * @param string $source  | 
            ||
| 467 | */  | 
            ||
| 468 | public function addTmpfsVolume(string $source): void  | 
            ||
| 471 | }  | 
            ||
| 472 | |||
| 473 | /**  | 
            ||
| 474 | * @param string $dockerfileCommand  | 
            ||
| 475 | */  | 
            ||
| 476 | public function addDockerfileCommand(string $dockerfileCommand): void  | 
            ||
| 477 |     { | 
            ||
| 478 | $this->dockerfileCommands[] = $dockerfileCommand;  | 
            ||
| 479 | }  | 
            ||
| 480 | }  | 
            ||
| 481 |