GenerateVersionsCommand::getContextVersion() - Code Metrics - Inspection of "Merge branch 'release/1.3.2'" - libgraviton/graviton - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 930ba5...99d635 )

by Narcotic

created 2017-10-06 09:26 UTC

GenerateVersionsCommand::getContextVersion() A

↳ Parent: GenerateVersionsCommand

Complexity

Conditions	3
Paths	3

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3.1406

Importance

Changes

Metric	Value
dl	0
loc	22
ccs	9
cts	12
cp	0.75
rs	9.2
c	0
b	0
f	0
cc	3
eloc	13
nc	3
nop	0
crap	3.1406

<?php
/**
 * Generates the versions.yml file
 */

namespace Graviton\CoreBundle\Command;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Exception\CommandNotFoundException;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;
use Symfony\Component\Yaml\Dumper;
use Symfony\Component\Yaml\Parser;
use InvalidArgumentException;

/**
 * Reads out the used versions with composer and git and writes them in a file 'versions.yml'
 *
 * @author   List of contributors <https://github.com/libgraviton/graviton/graphs/contributors>
 * @license  http://opensource.org/licenses/gpl-license.php GNU Public License
 * @link     http://swisscom.ch
 */
class GenerateVersionsCommand extends Command
{
    /**
     * @var string
     */
    private $gitCmd;

    /**
     * @var string
     */
    private $rootDir;

    /**
     * @var string
     */
    private $contextDir;

    /**
     * @var OutputInterface
     */
    private $output;

    /**
     * @var Filesystem
     */
    private $filesystem;

    /**
     * @var Dumper
     */
    private $dumper;

    /**
     * @var Parser
     */
    private $parser;

    /**
     * {@inheritDoc}
     *
     * @return void
     */
    protected function configure()
    {
        parent::configure();

        $this->setName('graviton:core:generateversions')
            ->setDescription(
                'Generates the versions.yml file according to definition in app/config/version_service.yml'
            );
    }

    /**
     * GenerateVersionsCommand constructor.
     *
     * @param Filesystem $filesystem Sf File and directory runner
     * @param Dumper     $dumper     Sf YAML to string
     * @param Parser     $parser     Sf YAML reader
     * @param String     $gitCmd     Git command regex
     * @param String     $rootDir    Kernel Root Directory
     */
    public function __construct(
        Filesystem  $filesystem,
        Dumper $dumper,
        Parser $parser,
        $gitCmd,
        $rootDir
    ) {
        $this->filesystem = $filesystem;
        $this->dumper = $dumper;
        $this->parser = $parser;
        $this->gitCmd = $gitCmd;
        $this->rootDir = $rootDir;
        parent::__construct();
    }

    /**
     * {@inheritDoc}
     *
     * @param InputInterface  $input  input
     * @param OutputInterface $output output
     *
     * @return void
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $this->contextDir = $this->rootDir . ((strpos($this->rootDir, 'vendor'))? '/../../../../' : '/../');

        $this->output = $output;

        $this->filesystem->dumpFile(
            $this->rootDir . '/../versions.yml',
            $this->getPackageVersions()
        );
    }

    /**
     * gets all versions
     *
     * @return string version numbers of packages
     */
    public function getPackageVersions()
    {
        if ($this->isDesiredVersion('self')) {
            $versions = [
                $this->getContextVersion(),
            ];
        } else {
            $versions = array();
        }
        $versions = $this->getInstalledPackagesVersion($versions);

        return $this->dumper->dump($versions);
    }

    /**
     * returns the version of graviton or wrapper (the context) using git
     *
     * @return array

     *
     * @throws CommandNotFoundException
     */
    private function getContextVersion()
    {
        $wrapper = [];
        // git available here?
        if ($this->commandAvailable($this->gitCmd)) {
            // get current commit hash
            $currentHash = trim($this->runCommandInContext($this->gitCmd.' rev-parse --short HEAD'));
            // get version from hash:
            $version = trim($this->runCommandInContext($this->gitCmd.' tag --points-at ' . $currentHash));
            // if empty, set dev- and current branchname to version:
            if (!strlen($version)) {
                $version = 'dev-' . trim($this->runCommandInContext($this->gitCmd.' rev-parse --abbrev-ref HEAD'));
            }
            $wrapper['id'] = 'self';
            $wrapper['version'] = $version;
        } else {
            throw new CommandNotFoundException(
                'getContextVersion: '. $this->gitCmd . ' not available in ' . $this->contextDir
            );
        }
        return $wrapper;
    }

    /**
     * returns version for every installed package
     *
     * @param array $versions versions array
     * @throws CommandNotFoundException | \RuntimeException
     * @return array
     */
    private function getInstalledPackagesVersion($versions)
    {
        $composerFile = $this->contextDir . 'composer.lock';
        if (!file_exists($composerFile)) {
            throw new CommandNotFoundException('Composer lock file not found: '.$composerFile);
        }

        $composerJson = json_decode(file_get_contents($composerFile));
        if (!$composerJson || json_last_error()) {
            throw new \RuntimeException('Error on parsing json file: '.$composerFile);
        }

        foreach ($composerJson->packages as $package) {
            if ($this->isDesiredVersion($package->name)) {
                array_push($versions, array('id' => $package->name, 'version' => $package->version));
            }
        }

        return $versions;
    }

    /**
     * runs a command depending on the context
     *
     * @param string $command in this case composer or git
     * @return string
     *
     * @throws \RuntimeException
     */
    private function runCommandInContext($command)
    {
        $process = new Process(
            'cd ' . escapeshellarg($this->contextDir)
            . ' && ' . escapeshellcmd($command)
        );
        try {
            $process->mustRun();
        } catch (ProcessFailedException $pFe) {
            $this->output->writeln($pFe->getMessage());
        }
        return $process->getOutput();
    }

    /**
     * Checks if a command is available in an enviroment and in the context. The command might be as well a path
     * to a command.
     *
     * @param String $command the command to be checked for availability
     * @return bool
     */
    private function commandAvailable($command)
    {
        $process = new Process(
            'cd ' . escapeshellarg($this->contextDir)
            . ' && which ' . escapeshellcmd($command)
        );
        $process->run();
        return (boolean) strlen(trim($process->getOutput()));
    }

    /**
     * checks if the package version is configured
     *
     * @param string $packageName package name
     * @return boolean
     *
     * @throws \RuntimeException
     */
    private function isDesiredVersion($packageName)
    {
        if (empty($packageName)) {
            throw new \RuntimeException('Missing package name');
        }

        $config = $this->getConfiguration($this->contextDir . "/app/config/version_service.yml");

        if (!empty($config['desiredVersions'])) {
            foreach ($config['desiredVersions'] as $confEntry) {
                if ($confEntry == $packageName) {
                    return true;
                }
            }
        }

        return false;
    }

    /**
     * reads configuration information from the given file into an array.
     *
     * @param string $filePath Absolute path to the configuration file.
     *
     * @return array
     */
    private function getConfiguration($filePath)
    {
        $config = $this->parser->parse(file_get_contents($filePath));

        return is_array($config) ? $config : [];
    }

    /**
     * Returns the version out of a given version string
     *
     * @param string $versionString SemVer version string
     * @return string
     */
    public function getVersionNumber($versionString)
    {
        try {
            $version = $this->getVersionOrBranchName($versionString);
        } catch (InvalidArgumentException $e) {
            $version = $this->normalizeVersionString($versionString);
        }

        return empty($version) ? $versionString : $version;
    }

    /**
     * Get a version string string using a regular expression
     *
     * @param string $versionString SemVer version string
     * @return string
     */
    private function getVersionOrBranchName($versionString)
    {
        // Regular expression for root package ('self') on a tagged version
        $tag = '^(?<version>[v]?[0-9]+\.[0-9]+\.[0-9]+)(?<prerelease>-[0-9a-zA-Z.]+)?(?<build>\+[0-9a-zA-Z.]+)?$';
        // Regular expression for root package on a git branch
        $branch = '^(?<branch>(dev\-){1}[0-9a-zA-Z\.\/\-\_]+)$';
        $regex = sprintf('/%s|%s/', $tag, $branch);

        $matches = [];
        if (0 === preg_match($regex, $versionString, $matches)) {
            throw new InvalidArgumentException(
                sprintf('"%s" is not a valid SemVer', $versionString)
            );
        }

        return empty($matches['version']) ? $matches['branch'] : $matches['version'];
    }

    /**
     * Normalizing the incorrect SemVer string to a valid one
     *
     * At the moment, we are getting the version of the root package ('self') using the
     * 'composer show -s'-command. Unfortunately Composer is adding an unnecessary ending.
     *
     * @param string $versionString SemVer  version string
     * @param string $prefix        Version prefix
     * @return string
     */
    private function normalizeVersionString($versionString, $prefix = 'v')
    {
        if (substr_count($versionString, '.') === 3) {
            return sprintf(
                '%s%s',
                $prefix,
                implode('.', explode('.', $versionString, -1))
            );
        }
        return $versionString;
    }
}


1		<?php
2		/**
3		* Generates the versions.yml file
4		*/
5
6		namespace Graviton\CoreBundle\Command;
7
8		use Symfony\Component\Console\Command\Command;
9		use Symfony\Component\Console\Exception\CommandNotFoundException;
10		use Symfony\Component\Console\Input\InputInterface;
11		use Symfony\Component\Console\Output\OutputInterface;
12		use Symfony\Component\Filesystem\Filesystem;
13		use Symfony\Component\Process\Process;
14		use Symfony\Component\Process\Exception\ProcessFailedException;
15		use Symfony\Component\Yaml\Dumper;
16		use Symfony\Component\Yaml\Parser;
17		use InvalidArgumentException;
18
19		/**
20		* Reads out the used versions with composer and git and writes them in a file 'versions.yml'
21		*
22		* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors>
23		* @license http://opensource.org/licenses/gpl-license.php GNU Public License
24		* @link http://swisscom.ch
25		*/
26		class GenerateVersionsCommand extends Command
27		{
28		/**
29		* @var string
30		*/
31		private $gitCmd;
32
33		/**
34		* @var string
35		*/
36		private $rootDir;
37
38		/**
39		* @var string
40		*/
41		private $contextDir;
42
43		/**
44		* @var OutputInterface
45		*/
46		private $output;
47
48		/**
49		* @var Filesystem
50		*/
51		private $filesystem;
52
53		/**
54		* @var Dumper
55		*/
56		private $dumper;
57
58		/**
59		* @var Parser
60		*/
61		private $parser;
62
63		/**
64		* {@inheritDoc}
65		*
66		* @return void
67		*/
68	4	protected function configure()
69		{
70	4	parent::configure();
71
72	4	$this->setName('graviton:core:generateversions')
73	4	->setDescription(
74	4	'Generates the versions.yml file according to definition in app/config/version_service.yml'
75		);
76	4	}
77
78		/**
79		* GenerateVersionsCommand constructor.
80		*
81		* @param Filesystem $filesystem Sf File and directory runner
82		* @param Dumper $dumper Sf YAML to string
83		* @param Parser $parser Sf YAML reader
84		* @param String $gitCmd Git command regex
85		* @param String $rootDir Kernel Root Directory
86		*/
87	4	public function __construct(
88		Filesystem $filesystem,
89		Dumper $dumper,
90		Parser $parser,
91		$gitCmd,
92		$rootDir
93		) {
94	4	$this->filesystem = $filesystem;
95	4	$this->dumper = $dumper;
96	4	$this->parser = $parser;
97	4	$this->gitCmd = $gitCmd;
98	4	$this->rootDir = $rootDir;
99	4	parent::__construct();
100	4	}
101
102		/**
103		* {@inheritDoc}
104		*
105		* @param InputInterface $input input
106		* @param OutputInterface $output output
107		*
108		* @return void
109		*/
110	2	protected function execute(InputInterface $input, OutputInterface $output)
111		{
112	2	$this->contextDir = $this->rootDir . ((strpos($this->rootDir, 'vendor'))? '/../../../../' : '/../');
113
114	2	$this->output = $output;
115
116	2	$this->filesystem->dumpFile(
117	2	$this->rootDir . '/../versions.yml',
118	2	$this->getPackageVersions()
119		);
120	2	}
121
122		/**
123		* gets all versions
124		*
125		* @return string version numbers of packages
126		*/
127	2	public function getPackageVersions()
128		{
129	2	if ($this->isDesiredVersion('self')) {
130		$versions = [
131	2	$this->getContextVersion(),
132		];
133		} else {
134		$versions = array();
135		}
136	2	$versions = $this->getInstalledPackagesVersion($versions);
137
138	2	return $this->dumper->dump($versions);
139		}
140
141		/**
142		* returns the version of graviton or wrapper (the context) using git
143		*
144		* @return array
		0 ignored issues – show Documentation introduced 2016-08-18 14:46 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,string>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
145		*
146		* @throws CommandNotFoundException
147		*/
148	2	private function getContextVersion()
149		{
150	2	$wrapper = [];
151		// git available here?
152	2	if ($this->commandAvailable($this->gitCmd)) {
153		// get current commit hash
154	2	$currentHash = trim($this->runCommandInContext($this->gitCmd.' rev-parse --short HEAD'));
155		// get version from hash:
156	2	$version = trim($this->runCommandInContext($this->gitCmd.' tag --points-at ' . $currentHash));
157		// if empty, set dev- and current branchname to version:
158	2	if (!strlen($version)) {
159		$version = 'dev-' . trim($this->runCommandInContext($this->gitCmd.' rev-parse --abbrev-ref HEAD'));
160		}
161	2	$wrapper['id'] = 'self';
162	2	$wrapper['version'] = $version;
163		} else {
164		throw new CommandNotFoundException(
165		'getContextVersion: '. $this->gitCmd . ' not available in ' . $this->contextDir
166		);
167		}
168	2	return $wrapper;
169		}
170
171		/**
172		* returns version for every installed package
173		*
174		* @param array $versions versions array
175		* @throws CommandNotFoundException \| \RuntimeException
176		* @return array
177		*/
178	2	private function getInstalledPackagesVersion($versions)
179		{
180	2	$composerFile = $this->contextDir . 'composer.lock';
181	2	if (!file_exists($composerFile)) {
182		throw new CommandNotFoundException('Composer lock file not found: '.$composerFile);
183		}
184
185	2	$composerJson = json_decode(file_get_contents($composerFile));
186	2	if (!$composerJson \|\| json_last_error()) {
187		throw new \RuntimeException('Error on parsing json file: '.$composerFile);
188		}
189
190	2	foreach ($composerJson->packages as $package) {
191	2	if ($this->isDesiredVersion($package->name)) {
192	2	array_push($versions, array('id' => $package->name, 'version' => $package->version));
193		}
194		}
195
196	2	return $versions;
197		}
198
199		/**
200		* runs a command depending on the context
201		*
202		* @param string $command in this case composer or git
203		* @return string
204		*
205		* @throws \RuntimeException
206		*/
207	2	private function runCommandInContext($command)
208		{
209	2	$process = new Process(
210	2	'cd ' . escapeshellarg($this->contextDir)
211	2	. ' && ' . escapeshellcmd($command)
212		);
213		try {
214	2	$process->mustRun();
215		} catch (ProcessFailedException $pFe) {
216		$this->output->writeln($pFe->getMessage());
217		}
218	2	return $process->getOutput();
219		}
220
221		/**
222		* Checks if a command is available in an enviroment and in the context. The command might be as well a path
223		* to a command.
224		*
225		* @param String $command the command to be checked for availability
226		* @return bool
227		*/
228	2	private function commandAvailable($command)
229		{
230	2	$process = new Process(
231	2	'cd ' . escapeshellarg($this->contextDir)
232	2	. ' && which ' . escapeshellcmd($command)
233		);
234	2	$process->run();
235	2	return (boolean) strlen(trim($process->getOutput()));
236		}
237
238		/**
239		* checks if the package version is configured
240		*
241		* @param string $packageName package name
242		* @return boolean
243		*
244		* @throws \RuntimeException
245		*/
246	2	private function isDesiredVersion($packageName)
247		{
248	2	if (empty($packageName)) {
249		throw new \RuntimeException('Missing package name');
250		}
251
252	2	$config = $this->getConfiguration($this->contextDir . "/app/config/version_service.yml");
253
254	2	if (!empty($config['desiredVersions'])) {
255	2	foreach ($config['desiredVersions'] as $confEntry) {
256	2	if ($confEntry == $packageName) {
257	2	return true;
258		}
259		}
260		}
261
262	2	return false;
263		}
264
265		/**
266		* reads configuration information from the given file into an array.
267		*
268		* @param string $filePath Absolute path to the configuration file.
269		*
270		* @return array
271		*/
272	2	private function getConfiguration($filePath)
273		{
274	2	$config = $this->parser->parse(file_get_contents($filePath));
275
276	2	return is_array($config) ? $config : [];
277		}
278
279		/**
280		* Returns the version out of a given version string
281		*
282		* @param string $versionString SemVer version string
283		* @return string
284		*/
285		public function getVersionNumber($versionString)
286		{
287		try {
288		$version = $this->getVersionOrBranchName($versionString);
289		} catch (InvalidArgumentException $e) {
290		$version = $this->normalizeVersionString($versionString);
291		}
292
293		return empty($version) ? $versionString : $version;
294		}
295
296		/**
297		* Get a version string string using a regular expression
298		*
299		* @param string $versionString SemVer version string
300		* @return string
301		*/
302		private function getVersionOrBranchName($versionString)
303		{
304		// Regular expression for root package ('self') on a tagged version
305		$tag = '^(?<version>[v]?[0-9]+\.[0-9]+\.[0-9]+)(?<prerelease>-[0-9a-zA-Z.]+)?(?<build>\+[0-9a-zA-Z.]+)?$';
306		// Regular expression for root package on a git branch
307		$branch = '^(?<branch>(dev\-){1}[0-9a-zA-Z\.\/\-\_]+)$';
308		$regex = sprintf('/%s\|%s/', $tag, $branch);
309
310		$matches = [];
311		if (0 === preg_match($regex, $versionString, $matches)) {
312		throw new InvalidArgumentException(
313		sprintf('"%s" is not a valid SemVer', $versionString)
314		);
315		}
316
317		return empty($matches['version']) ? $matches['branch'] : $matches['version'];
318		}
319
320		/**
321		* Normalizing the incorrect SemVer string to a valid one
322		*
323		* At the moment, we are getting the version of the root package ('self') using the
324		* 'composer show -s'-command. Unfortunately Composer is adding an unnecessary ending.
325		*
326		* @param string $versionString SemVer version string
327		* @param string $prefix Version prefix
328		* @return string
329		*/
330		private function normalizeVersionString($versionString, $prefix = 'v')
331		{
332		if (substr_count($versionString, '.') === 3) {
333		return sprintf(
334		'%s%s',
335		$prefix,
336		implode('.', explode('.', $versionString, -1))
337		);
338		}
339		return $versionString;
340		}
341		}
342

libgraviton / graviton

Push — master ( 930ba5...99d635 )

GenerateVersionsCommand::getContextVersion() A

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