NodeJsPlugin::deactivate() - Code Metrics - Inspection of "Merge pull request #42 from acrollet/1.0" - thecodingmachine/nodejs-installer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 1.0 ( 499dc3...8b26f6 )

by David

created 2020-11-04 08:03 UTC

NodeJsPlugin::deactivate() A

↳ Parent: NodeJsPlugin

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	5
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	2

<?php
namespace Mouf\NodeJsInstaller;

use Composer\Composer;
use Composer\Package\AliasPackage;
use Composer\Package\CompletePackage;
use Composer\Script\Event;
use Composer\EventDispatcher\EventSubscriberInterface;
use Composer\IO\IOInterface;
use Composer\Plugin\PluginInterface;
use Composer\Script\ScriptEvents;
use Composer\Util\Filesystem;

/**
 * This class is the entry point for the NodeJs plugin.
 *
 *
 * @author David Négrier
 */
class NodeJsPlugin implements PluginInterface, EventSubscriberInterface
{
    const NODEJS_TARGET_DIR = 'vendor/nodejs/nodejs';
    const DOWNLOAD_NODEJS_EVENT = 'download-nodejs';

    /**
     * @var Composer
     */
    protected $composer;

    /**
     * @var IOInterface
     */
    protected $io;

    public function activate(Composer $composer, IOInterface $io)
    {
        $this->composer = $composer;
        $this->io = $io;
    }

    public function deactivate(Composer $composer, IOInterface $io)

    {
        $binDir = $composer->getConfig()->get('bin-dir');
        $this->onDeactivate($binDir);
    }

    public function uninstall(Composer $composer, IOInterface $io)

    {
        $binDir = $composer->getConfig()->get('bin-dir');
        $targetDir = self::NODEJS_TARGET_DIR;
        $this->onUninstall($binDir, $targetDir);
    }

    /**
     * Let's register the harmony dependencies update events.
     *
     * @return array
     */
    public static function getSubscribedEvents()
    {
        return array(
            ScriptEvents::POST_INSTALL_CMD => array(
                array('onPostUpdateInstall', 1),
            ),
            ScriptEvents::POST_UPDATE_CMD => array(
                array('onPostUpdateInstall', 1),
            ),
            self::DOWNLOAD_NODEJS_EVENT => array(
                array('onPostUpdateInstall', 1)
            )
        );
    }

    /**
     * Script callback; Acted on after install or update.
     */
    public function onPostUpdateInstall(Event $event)
    {
        $settings = array(
            'targetDir' => self::NODEJS_TARGET_DIR,
            'forceLocal' => false,
            'includeBinInPath' => false,
        );

        $extra = $event->getComposer()->getPackage()->getExtra();

        if (isset($extra['mouf']['nodejs'])) {
            $rootSettings = $extra['mouf']['nodejs'];
            $settings = array_merge($settings, $rootSettings);
            $settings['targetDir'] = trim($settings['targetDir'], '/\\');
        }

        $binDir = $event->getComposer()->getConfig()->get('bin-dir');

        if (!class_exists(__NAMESPACE__.'\\NodeJsVersionMatcher')) {
            //The package is being uninstalled
            $this->onUninstall($binDir, $settings['targetDir']);

            return;
        }

        $nodeJsVersionMatcher = new NodeJsVersionMatcher();

        $versionConstraint = $this->getMergedVersionConstraint();

        $this->verboseLog("<info>NodeJS installer:</info>");
        $this->verboseLog(" - Requested version: ".$versionConstraint);

        $nodeJsInstaller = new NodeJsInstaller($this->io, $this->composer);

        $isLocal = false;

        if ($settings['forceLocal']) {
            $this->verboseLog(" - Forcing local NodeJS install.");
            $this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
            $isLocal = true;
        } else {
            $globalVersion = $nodeJsInstaller->getNodeJsGlobalInstallVersion();

            if ($globalVersion !== null) {
                $this->verboseLog(" - Global NodeJS install found: v".$globalVersion);
                $npmPath = $nodeJsInstaller->getGlobalInstallPath('npm');

                if (!$npmPath) {
                    $this->verboseLog(" - No NPM install found");
                    $this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
                    $isLocal = true;
                } elseif (!$nodeJsVersionMatcher->isVersionMatching($globalVersion, $versionConstraint)) {
                    $this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
                    $isLocal = true;
                } else {
                    $this->verboseLog(" - Global NodeJS install matches constraint ".$versionConstraint);
                }
            } else {
                $this->verboseLog(" - No global NodeJS install found");
                $this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
                $isLocal = true;
            }
        }

        // Now, let's create the bin scripts that start node and NPM
        $nodeJsInstaller->createBinScripts($binDir, $settings['targetDir'], $isLocal);

        // Finally, let's register vendor/bin in the PATH.
        if ($settings['includeBinInPath']) {
            $nodeJsInstaller->registerPath($binDir);
        }
    }

    /**
     * Writes message only in verbose mode.
     * @param string $message
     */
    private function verboseLog($message)
    {
        if ($this->io->isVerbose()) {
            $this->io->write($message);
        }
    }

    /**
     * Checks local NodeJS version, performs install if needed.
     *
     * @param  string                   $binDir
     * @param  NodeJsInstaller          $nodeJsInstaller
     * @param  string                   $versionConstraint
     * @param  string                   $targetDir
     * @throws NodeJsInstallerException
     */
    private function installLocalVersion($binDir, NodeJsInstaller $nodeJsInstaller, $versionConstraint, $targetDir)
    {
        $nodeJsVersionMatcher = new NodeJsVersionMatcher();

        $localVersion = $nodeJsInstaller->getNodeJsLocalInstallVersion($binDir);
        if ($localVersion !== null) {
            $this->verboseLog(" - Local NodeJS install found: v".$localVersion);

            if (!$nodeJsVersionMatcher->isVersionMatching($localVersion, $versionConstraint)) {
                $this->installBestPossibleLocalVersion($nodeJsInstaller, $versionConstraint, $targetDir);
            } else {
                // Question: should we update to the latest version? Should we have a nodejs.lock file???
                $this->verboseLog(" - Local NodeJS install matches constraint ".$versionConstraint);
            }
        } else {
            $this->verboseLog(" - No local NodeJS install found");
            $this->installBestPossibleLocalVersion($nodeJsInstaller, $versionConstraint, $targetDir);
        }
    }

    /**
     * Installs locally the best possible NodeJS version matching $versionConstraint
     *
     * @param  NodeJsInstaller          $nodeJsInstaller
     * @param  string                   $versionConstraint
     * @param  string                   $targetDir
     * @throws NodeJsInstallerException
     */
    private function installBestPossibleLocalVersion(NodeJsInstaller $nodeJsInstaller, $versionConstraint, $targetDir)
    {
        $nodeJsVersionsLister = new NodeJsVersionsLister($this->io, $this->composer);
        $allNodeJsVersions = $nodeJsVersionsLister->getList();

        $nodeJsVersionMatcher = new NodeJsVersionMatcher();
        $bestPossibleVersion = $nodeJsVersionMatcher->findBestMatchingVersion($allNodeJsVersions, $versionConstraint);

        if ($bestPossibleVersion === null) {
            throw new NodeJsInstallerNodeVersionException("No NodeJS version could be found for constraint '".$versionConstraint."'");
        }

        $nodeJsInstaller->install($bestPossibleVersion, $targetDir);
    }

    /**
     * Gets the version constraint from all included packages and merges it into one constraint.
     */
    private function getMergedVersionConstraint()
    {
        $packagesList = $this->composer->getRepositoryManager()->getLocalRepository()
            ->getCanonicalPackages();
        $packagesList[] = $this->composer->getPackage();

        $versions = array();

        foreach ($packagesList as $package) {
            if ($package instanceof AliasPackage) {
                $package = $package->getAliasOf();
            }
            if ($package instanceof CompletePackage) {
                $extra = $package->getExtra();
                if (isset($extra['mouf']['nodejs']['version'])) {
                    $versions[] = $extra['mouf']['nodejs']['version'];
                }
            }
        }

        if (!empty($versions)) {
            return implode(", ", $versions);
        } else {
            return "*";
        }
    }

    /**
     * Uninstalls NodeJS.
     * Note: other classes cannot be loaded here since the package has already been removed.
     */
    private function onUninstall($binDir, $targetDir)
    {
        $fileSystem = new Filesystem();

        if (file_exists($targetDir)) {
            $this->verboseLog("Removing NodeJS local install");

            // Let's remove target directory
            $fileSystem->remove($targetDir);

            $vendorNodeDir = dirname($targetDir);

            if ($fileSystem->isDirEmpty($vendorNodeDir)) {
                $fileSystem->remove($vendorNodeDir);
            }
        }

        $this->onDeactivate($binDir);
    }

    /**
     * Deactivates NodeJS links.
     */
    private function onDeactivate($binDir)
    {
        $fileSystem = new Filesystem();

        // Remove the links.
        $this->verboseLog("Removing NodeJS and NPM links from Composer bin directory");
        foreach (array("node", "npm", "node.bat", "npm.bat") as $file) {
            $realFile = $binDir.DIRECTORY_SEPARATOR.$file;
            if (file_exists($realFile)) {
                $fileSystem->remove($realFile);
            }
        }
    }

}


1			<?php
2			namespace Mouf\NodeJsInstaller;
3
4			use Composer\Composer;
5			use Composer\Package\AliasPackage;
6			use Composer\Package\CompletePackage;
7			use Composer\Script\Event;
8			use Composer\EventDispatcher\EventSubscriberInterface;
9			use Composer\IO\IOInterface;
10			use Composer\Plugin\PluginInterface;
11			use Composer\Script\ScriptEvents;
12			use Composer\Util\Filesystem;
13
14			/**
15			* This class is the entry point for the NodeJs plugin.
16			*
17			*
18			* @author David Négrier
19			*/
20			class NodeJsPlugin implements PluginInterface, EventSubscriberInterface
21			{
22			const NODEJS_TARGET_DIR = 'vendor/nodejs/nodejs';
23			const DOWNLOAD_NODEJS_EVENT = 'download-nodejs';
24
25			/**
26			* @var Composer
27			*/
28			protected $composer;
29
30			/**
31			* @var IOInterface
32			*/
33			protected $io;
34
35			public function activate(Composer $composer, IOInterface $io)
36			{
37			$this->composer = $composer;
38			$this->io = $io;
39			}
40
41			public function deactivate(Composer $composer, IOInterface $io)
			0 ignored issues – show Unused Code introduced 2020-11-03 17:08 UTC by Report Bug Copy Issue Report The parameter `$io` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
42			{
43			$binDir = $composer->getConfig()->get('bin-dir');
44			$this->onDeactivate($binDir);
45			}
46
47			public function uninstall(Composer $composer, IOInterface $io)
			0 ignored issues – show Unused Code introduced 2020-11-03 17:08 UTC by Report Bug Copy Issue Report The parameter `$io` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
48			{
49			$binDir = $composer->getConfig()->get('bin-dir');
50			$targetDir = self::NODEJS_TARGET_DIR;
51			$this->onUninstall($binDir, $targetDir);
52			}
53
54			/**
55			* Let's register the harmony dependencies update events.
56			*
57			* @return array
58			*/
59			public static function getSubscribedEvents()
60			{
61			return array(
62			ScriptEvents::POST_INSTALL_CMD => array(
63			array('onPostUpdateInstall', 1),
64			),
65			ScriptEvents::POST_UPDATE_CMD => array(
66			array('onPostUpdateInstall', 1),
67			),
68			self::DOWNLOAD_NODEJS_EVENT => array(
69			array('onPostUpdateInstall', 1)
70			)
71			);
72			}
73
74			/**
75			* Script callback; Acted on after install or update.
76			*/
77			public function onPostUpdateInstall(Event $event)
78			{
79			$settings = array(
80			'targetDir' => self::NODEJS_TARGET_DIR,
81			'forceLocal' => false,
82			'includeBinInPath' => false,
83			);
84
85			$extra = $event->getComposer()->getPackage()->getExtra();
86
87			if (isset($extra['mouf']['nodejs'])) {
88			$rootSettings = $extra['mouf']['nodejs'];
89			$settings = array_merge($settings, $rootSettings);
90			$settings['targetDir'] = trim($settings['targetDir'], '/\\');
91			}
92
93			$binDir = $event->getComposer()->getConfig()->get('bin-dir');
94
95			if (!class_exists(__NAMESPACE__.'\\NodeJsVersionMatcher')) {
96			//The package is being uninstalled
97			$this->onUninstall($binDir, $settings['targetDir']);
98
99			return;
100			}
101
102			$nodeJsVersionMatcher = new NodeJsVersionMatcher();
103
104			$versionConstraint = $this->getMergedVersionConstraint();
105
106			$this->verboseLog("<info>NodeJS installer:</info>");
107			$this->verboseLog(" - Requested version: ".$versionConstraint);
108
109			$nodeJsInstaller = new NodeJsInstaller($this->io, $this->composer);
110
111			$isLocal = false;
112
113			if ($settings['forceLocal']) {
114			$this->verboseLog(" - Forcing local NodeJS install.");
115			$this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
116			$isLocal = true;
117			} else {
118			$globalVersion = $nodeJsInstaller->getNodeJsGlobalInstallVersion();
119
120			if ($globalVersion !== null) {
121			$this->verboseLog(" - Global NodeJS install found: v".$globalVersion);
122			$npmPath = $nodeJsInstaller->getGlobalInstallPath('npm');
123
124			if (!$npmPath) {
125			$this->verboseLog(" - No NPM install found");
126			$this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
127			$isLocal = true;
128			} elseif (!$nodeJsVersionMatcher->isVersionMatching($globalVersion, $versionConstraint)) {
129			$this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
130			$isLocal = true;
131			} else {
132			$this->verboseLog(" - Global NodeJS install matches constraint ".$versionConstraint);
133			}
134			} else {
135			$this->verboseLog(" - No global NodeJS install found");
136			$this->installLocalVersion($binDir, $nodeJsInstaller, $versionConstraint, $settings['targetDir']);
137			$isLocal = true;
138			}
139			}
140
141			// Now, let's create the bin scripts that start node and NPM
142			$nodeJsInstaller->createBinScripts($binDir, $settings['targetDir'], $isLocal);
143
144			// Finally, let's register vendor/bin in the PATH.
145			if ($settings['includeBinInPath']) {
146			$nodeJsInstaller->registerPath($binDir);
147			}
148			}
149
150			/**
151			* Writes message only in verbose mode.
152			* @param string $message
153			*/
154			private function verboseLog($message)
155			{
156			if ($this->io->isVerbose()) {
157			$this->io->write($message);
158			}
159			}
160
161			/**
162			* Checks local NodeJS version, performs install if needed.
163			*
164			* @param string $binDir
165			* @param NodeJsInstaller $nodeJsInstaller
166			* @param string $versionConstraint
167			* @param string $targetDir
168			* @throws NodeJsInstallerException
169			*/
170			private function installLocalVersion($binDir, NodeJsInstaller $nodeJsInstaller, $versionConstraint, $targetDir)
171			{
172			$nodeJsVersionMatcher = new NodeJsVersionMatcher();
173
174			$localVersion = $nodeJsInstaller->getNodeJsLocalInstallVersion($binDir);
175			if ($localVersion !== null) {
176			$this->verboseLog(" - Local NodeJS install found: v".$localVersion);
177
178			if (!$nodeJsVersionMatcher->isVersionMatching($localVersion, $versionConstraint)) {
179			$this->installBestPossibleLocalVersion($nodeJsInstaller, $versionConstraint, $targetDir);
180			} else {
181			// Question: should we update to the latest version? Should we have a nodejs.lock file???
182			$this->verboseLog(" - Local NodeJS install matches constraint ".$versionConstraint);
183			}
184			} else {
185			$this->verboseLog(" - No local NodeJS install found");
186			$this->installBestPossibleLocalVersion($nodeJsInstaller, $versionConstraint, $targetDir);
187			}
188			}
189
190			/**
191			* Installs locally the best possible NodeJS version matching $versionConstraint
192			*
193			* @param NodeJsInstaller $nodeJsInstaller
194			* @param string $versionConstraint
195			* @param string $targetDir
196			* @throws NodeJsInstallerException
197			*/
198			private function installBestPossibleLocalVersion(NodeJsInstaller $nodeJsInstaller, $versionConstraint, $targetDir)
199			{
200			$nodeJsVersionsLister = new NodeJsVersionsLister($this->io, $this->composer);
201			$allNodeJsVersions = $nodeJsVersionsLister->getList();
202
203			$nodeJsVersionMatcher = new NodeJsVersionMatcher();
204			$bestPossibleVersion = $nodeJsVersionMatcher->findBestMatchingVersion($allNodeJsVersions, $versionConstraint);
205
206			if ($bestPossibleVersion === null) {
207			throw new NodeJsInstallerNodeVersionException("No NodeJS version could be found for constraint '".$versionConstraint."'");
208			}
209
210			$nodeJsInstaller->install($bestPossibleVersion, $targetDir);
211			}
212
213			/**
214			* Gets the version constraint from all included packages and merges it into one constraint.
215			*/
216			private function getMergedVersionConstraint()
217			{
218			$packagesList = $this->composer->getRepositoryManager()->getLocalRepository()
219			->getCanonicalPackages();
220			$packagesList[] = $this->composer->getPackage();
221
222			$versions = array();
223
224			foreach ($packagesList as $package) {
225			if ($package instanceof AliasPackage) {
226			$package = $package->getAliasOf();
227			}
228			if ($package instanceof CompletePackage) {
229			$extra = $package->getExtra();
230			if (isset($extra['mouf']['nodejs']['version'])) {
231			$versions[] = $extra['mouf']['nodejs']['version'];
232			}
233			}
234			}
235
236			if (!empty($versions)) {
237			return implode(", ", $versions);
238			} else {
239			return "*";
240			}
241			}
242
243			/**
244			* Uninstalls NodeJS.
245			* Note: other classes cannot be loaded here since the package has already been removed.
246			*/
247			private function onUninstall($binDir, $targetDir)
248			{
249			$fileSystem = new Filesystem();
250
251			if (file_exists($targetDir)) {
252			$this->verboseLog("Removing NodeJS local install");
253
254			// Let's remove target directory
255			$fileSystem->remove($targetDir);
256
257			$vendorNodeDir = dirname($targetDir);
258
259			if ($fileSystem->isDirEmpty($vendorNodeDir)) {
260			$fileSystem->remove($vendorNodeDir);
261			}
262			}
263
264			$this->onDeactivate($binDir);
265			}
266
267			/**
268			* Deactivates NodeJS links.
269			*/
270			private function onDeactivate($binDir)
271			{
272			$fileSystem = new Filesystem();
273
274			// Remove the links.
275			$this->verboseLog("Removing NodeJS and NPM links from Composer bin directory");
276			foreach (array("node", "npm", "node.bat", "npm.bat") as $file) {
277			$realFile = $binDir.DIRECTORY_SEPARATOR.$file;
278			if (file_exists($realFile)) {
279			$fileSystem->remove($realFile);
280			}
281			}
282			}
283
284			}
285

thecodingmachine / nodejs-installer

Push — 1.0 ( 499dc3...8b26f6 )

NodeJsPlugin::deactivate() A

Complexity

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Duplication

Importance

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