<?php declare(strict_types = 1);
/*
 * This file is part of PharIo\Version.
 *
 * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PharIo\Version;

class Version {
    /** @var string */
    private $originalVersionString;

    /** @var VersionNumber */
    private $major;

    /** @var VersionNumber */
    private $minor;

    /** @var VersionNumber */
    private $patch;

    /** @var null|PreReleaseSuffix */
    private $preReleaseSuffix;

    /** @var null|BuildMetaData */
    private $buildMetadata;

    public function __construct(string $versionString) {
        $this->ensureVersionStringIsValid($versionString);
        $this->originalVersionString = $versionString;
    }

    /**
     * @throws NoPreReleaseSuffixException
     */
    public function getPreReleaseSuffix(): PreReleaseSuffix {
        if ($this->preReleaseSuffix === null) {
            throw new NoPreReleaseSuffixException('No pre-release suffix set');
        }

        return $this->preReleaseSuffix;
    }

    public function getOriginalString(): string {
        return $this->originalVersionString;
    }

    public function getVersionString(): string {
        $str = \sprintf(
            '%d.%d.%d',
            $this->getMajor()->getValue() ?? 0,
            $this->getMinor()->getValue() ?? 0,
            $this->getPatch()->getValue() ?? 0
        );

        if (!$this->hasPreReleaseSuffix()) {
            return $str;
        }

        return $str . '-' . $this->getPreReleaseSuffix()->asString();
    }

    public function hasPreReleaseSuffix(): bool {
        return $this->preReleaseSuffix !== null;
    }

    public function equals(Version $other): bool {
        if ($this->getVersionString() !== $other->getVersionString()) {
            return false;
        }

        if ($this->hasBuildMetaData() !== $other->hasBuildMetaData()) {
            return false;
        }

        if ($this->hasBuildMetaData() && $other->hasBuildMetaData() &&
            !$this->getBuildMetaData()->equals($other->getBuildMetaData())) {
            return false;
        }

        return true;
    }

    public function isGreaterThan(Version $version): bool {
        if ($version->getMajor()->getValue() > $this->getMajor()->getValue()) {
            return false;
        }

        if ($version->getMajor()->getValue() < $this->getMajor()->getValue()) {
            return true;
        }

        if ($version->getMinor()->getValue() > $this->getMinor()->getValue()) {
            return false;
        }

        if ($version->getMinor()->getValue() < $this->getMinor()->getValue()) {
            return true;
        }

        if ($version->getPatch()->getValue() > $this->getPatch()->getValue()) {
            return false;
        }

        if ($version->getPatch()->getValue() < $this->getPatch()->getValue()) {
            return true;
        }

        if (!$version->hasPreReleaseSuffix() && !$this->hasPreReleaseSuffix()) {
            return false;
        }

        if ($version->hasPreReleaseSuffix() && !$this->hasPreReleaseSuffix()) {
            return true;
        }

        if (!$version->hasPreReleaseSuffix() && $this->hasPreReleaseSuffix()) {
            return false;
        }

        return $this->getPreReleaseSuffix()->isGreaterThan($version->getPreReleaseSuffix());
    }

    public function getMajor(): VersionNumber {
        return $this->major;
    }

    public function getMinor(): VersionNumber {
        return $this->minor;
    }

    public function getPatch(): VersionNumber {
        return $this->patch;
    }

    /**
     * @psalm-assert-if-true BuildMetaData $this->buildMetadata
     * @psalm-assert-if-true BuildMetaData $this->getBuildMetaData()
     */
    public function hasBuildMetaData(): bool {
        return $this->buildMetadata !== null;
    }

    /**
     * @throws NoBuildMetaDataException
     */
    public function getBuildMetaData(): BuildMetaData {
        if (!$this->hasBuildMetaData()) {
            throw new NoBuildMetaDataException('No build metadata set');
        }

        return $this->buildMetadata;
    }

    /**
     * @param string[] $matches
     *
     * @throws InvalidPreReleaseSuffixException
     */
    private function parseVersion(array $matches): void {
        $this->major = new VersionNumber((int)$matches['Major']);
        $this->minor = new VersionNumber((int)$matches['Minor']);
        $this->patch = isset($matches['Patch']) ? new VersionNumber((int)$matches['Patch']) : new VersionNumber(0);

        if (isset($matches['PreReleaseSuffix']) && $matches['PreReleaseSuffix'] !== '') {
            $this->preReleaseSuffix = new PreReleaseSuffix($matches['PreReleaseSuffix']);
        }

        if (isset($matches['BuildMetadata'])) {
            $this->buildMetadata = new BuildMetaData($matches['BuildMetadata']);
        }
    }

    /**
     * @param string $version
     *
     * @throws InvalidVersionException
     */
    private function ensureVersionStringIsValid($version): void {
        $regex = '/^v?
            (?P<Major>0|[1-9]\d*)
            \\.
            (?P<Minor>0|[1-9]\d*)
            (\\.
                (?P<Patch>0|[1-9]\d*)
            )?
            (?:
                -
                (?<PreReleaseSuffix>(?:(dev|beta|b|rc|alpha|a|patch|p|pl)\.?\d*))
            )?
            (?:
                \\+
                (?P<BuildMetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-@]+)*)
            )?
        $/xi';

        if (\preg_match($regex, $version, $matches) !== 1) {
            throw new InvalidVersionException(
                \sprintf("Version string '%s' does not follow SemVer semantics", $version)
            );
        }

        $this->parseVersion($matches);
    }
}

• [D] constraints
• [D] exceptions
• [F] BuildMetaData.php
  Delete
• [F] PreReleaseSuffix.php
  Delete
• [F] Version.php
  Delete
• [F] VersionConstraintParser.php
  Delete
• [F] VersionConstraintValue.php
  Delete
• [F] VersionNumber.php
  Delete

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}