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| 1 | <?php |
| 2 | /** |
| 3 | * Build a list of ComposerPackage objects for all dependencies. |
| 4 | */ |
| 5 | |
| 6 | namespace BrianHenryIE\Strauss\Pipeline; |
| 7 | |
| 8 | use BrianHenryIE\Strauss\Composer\ComposerPackage; |
| 9 | use BrianHenryIE\Strauss\Composer\Extra\StraussConfig; |
| 10 | use BrianHenryIE\Strauss\Helpers\FileSystem; |
| 11 | use Exception; |
| 12 | use League\Flysystem\FilesystemReader; |
| 13 | use Psr\Log\LoggerAwareTrait; |
| 14 | use Psr\Log\LoggerInterface; |
| 15 | use Psr\Log\NullLogger; |
| 16 | |
| 17 | class DependenciesEnumerator |
| 18 | { |
| 19 | use LoggerAwareTrait; |
| 20 | |
| 21 | /** |
| 22 | * @var string[] |
| 23 | */ |
| 24 | protected array $requiredPackageNames; |
| 25 | |
| 26 | protected FileSystem $filesystem; |
| 27 | |
| 28 | /** @var string[] */ |
| 29 | protected array $virtualPackages = array( |
| 30 | 'php-http/client-implementation' |
| 31 | ); |
| 32 | |
| 33 | /** @var array<string, ComposerPackage> */ |
| 34 | protected array $flatDependencyTree = array(); |
| 35 | |
| 36 | /** |
| 37 | * Record the files autoloaders for later use in building our own autoloader. |
| 38 | * |
| 39 | * Package-name: [ dir1, file1, file2, ... ]. |
| 40 | * |
| 41 | * @var array<string, string[]> |
| 42 | */ |
| 43 | protected array $filesAutoloaders = []; |
| 44 | |
| 45 | /** |
| 46 | * @var array{}|array<string, array{files?:array<string>,classmap?:array<string>,"psr-4":array<string|array<string>>}> $overrideAutoload |
| 47 | */ |
| 48 | protected array $overrideAutoload = array(); |
| 49 | protected StraussConfig $config; |
| 50 | |
| 51 | /** |
| 52 | * Constructor. |
| 53 | * |
| 54 | * @param StraussConfig $config |
| 55 | */ |
| 56 | public function __construct( |
| 57 | StraussConfig $config, |
| 58 | FileSystem $filesystem, |
| 59 | ?LoggerInterface $logger = null |
| 60 | ) { |
| 61 | $this->overrideAutoload = $config->getOverrideAutoload(); |
| 62 | $this->requiredPackageNames = $config->getPackages(); |
| 63 | |
| 64 | $this->filesystem = $filesystem; |
| 65 | $this->config = $config; |
| 66 | |
| 67 | $this->setLogger($logger ?? new NullLogger()); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @return array<string, ComposerPackage> Packages indexed by package name. |
| 72 | * @throws Exception |
| 73 | */ |
| 74 | public function getAllDependencies(): array |
| 75 | { |
| 76 | $this->recursiveGetAllDependencies($this->requiredPackageNames); |
| 77 | |
| 78 | return $this->flatDependencyTree; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * @param string[] $requiredPackageNames |
| 83 | */ |
| 84 | protected function recursiveGetAllDependencies(array $requiredPackageNames): void |
| 85 | { |
| 86 | $requiredPackageNames = array_filter($requiredPackageNames, array( $this, 'removeVirtualPackagesFilter' )); |
| 87 | |
| 88 | foreach ($requiredPackageNames as $requiredPackageName) { |
| 89 | // Avoid infinite recursion. |
| 90 | if (isset($this->flatDependencyTree[$requiredPackageName])) { |
| 91 | continue; |
| 92 | } |
| 93 | |
| 94 | $packageComposerFile = sprintf( |
| 95 | '%s%s/composer.json', |
| 96 | $this->config->getVendorDirectory(), |
| 97 | $requiredPackageName |
| 98 | ); |
| 99 | $packageComposerFile = str_replace('mem://', '/', $packageComposerFile); |
| 100 | |
| 101 | $overrideAutoload = $this->overrideAutoload[ $requiredPackageName ] ?? null; |
| 102 | |
| 103 | if ($this->filesystem->fileExists($packageComposerFile)) { |
| 104 | $requiredComposerPackage = ComposerPackage::fromFile($packageComposerFile, $overrideAutoload); |
| 105 | } else { |
| 106 | // Some packages download with NO `composer.json`! E.g. woocommerce/action-scheduler. |
| 107 | // Some packages download to a different directory than the package name. |
| 108 | $this->logger->debug('Could not find ' . $requiredPackageName . '\'s composer.json in vendor dir, trying composer.lock'); |
| 109 | |
| 110 | // TODO: These (.json, .lock) should be read once and reused. |
| 111 | $composerJsonString = $this->filesystem->read($this->config->getProjectDirectory() . 'composer.json'); |
| 112 | $composerJson = json_decode($composerJsonString, true); |
| 113 | |
| 114 | if (isset($composerJson['provide']) && in_array($requiredPackageName, array_keys($composerJson['provide']))) { |
| 115 | $this->logger->info('Skipping ' . $requiredPackageName . ' as it is in the composer.json provide list'); |
| 116 | continue; |
| 117 | } |
| 118 | |
| 119 | $composerLockString = $this->filesystem->read($this->config->getProjectDirectory() . 'composer.lock'); |
| 120 | $composerLock = json_decode($composerLockString, true); |
| 121 | |
| 122 | $requiredPackageComposerJson = null; |
| 123 | foreach ($composerLock['packages'] as $packageJson) { |
| 124 | if ($requiredPackageName === $packageJson['name']) { |
| 125 | $requiredPackageComposerJson = $packageJson; |
| 126 | break; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | if (is_null($requiredPackageComposerJson)) { |
| 131 | // e.g. composer-plugin-api. |
| 132 | $this->logger->info('Skipping ' . $requiredPackageName . ' as it is not in composer.lock'); |
| 133 | continue; |
| 134 | } |
| 135 | |
| 136 | if (!isset($requiredPackageComposerJson['autoload']) |
| 137 | && empty($requiredPackageComposerJson['require']) |
| 138 | && $requiredPackageComposerJson['type'] != 'metapackage' |
| 139 | && ! $this->filesystem->directoryExists(dirname($packageComposerFile)) |
| 140 | ) { |
| 141 | // e.g. symfony/polyfill-php72 when installed on PHP 7.2 or later. |
| 142 | $this->logger->info('Skipping ' . $requiredPackageName . ' as it is has no autoload key (possibly a polyfill unnecessary for this version of PHP).'); |
| 143 | continue; |
| 144 | } |
| 145 | |
| 146 | $requiredComposerPackage = ComposerPackage::fromComposerJsonArray($requiredPackageComposerJson, $overrideAutoload); |
| 147 | } |
| 148 | |
| 149 | $this->logger->info('Analysing package ' . $requiredComposerPackage->getPackageName()); |
| 150 | $this->flatDependencyTree[$requiredComposerPackage->getPackageName()] = $requiredComposerPackage; |
| 151 | |
| 152 | $nextRequiredPackageNames = $requiredComposerPackage->getRequiresNames(); |
| 153 | |
| 154 | if (0 !== count($nextRequiredPackageNames)) { |
| 155 | $packageRequiresString = $requiredComposerPackage->getPackageName() . ' requires packages: '; |
| 156 | $this->logger->debug($packageRequiresString . implode(', ', $nextRequiredPackageNames)); |
| 157 | } else { |
| 158 | $this->logger->debug($requiredComposerPackage->getPackageName() . ' requires no packages.'); |
| 159 | continue; |
| 160 | } |
| 161 | |
| 162 | $newPackages = array_diff($nextRequiredPackageNames, array_keys($this->flatDependencyTree)); |
| 163 | |
| 164 | $newPackagesString = implode(', ', $newPackages); |
| 165 | if (!empty($newPackagesString)) { |
| 166 | $this->logger->debug(sprintf( |
| 167 | 'New packages: %s%s', |
| 168 | str_repeat(' ', strlen($packageRequiresString) - strlen('New packages: ')), |
| 169 | $newPackagesString |
| 170 | )); |
| 171 | } else { |
| 172 | $this->logger->debug('No new packages.'); |
| 173 | continue; |
| 174 | } |
| 175 | |
| 176 | $this->recursiveGetAllDependencies($newPackages); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Get the recorded files autoloaders. |
| 182 | * |
| 183 | * @return array<string, array<string>> |
| 184 | */ |
| 185 | public function getAllFilesAutoloaders(): array |
| 186 | { |
| 187 | $filesAutoloaders = array(); |
| 188 | foreach ($this->flatDependencyTree as $packageName => $composerPackage) { |
| 189 | if (isset($composerPackage->getAutoload()['files'])) { |
| 190 | $filesAutoloaders[$packageName] = $composerPackage->getAutoload()['files']; |
| 191 | } |
| 192 | } |
| 193 | return $filesAutoloaders; |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Unset PHP, ext-*, ... |
| 198 | * |
| 199 | * @param string $requiredPackageName |
| 200 | */ |
| 201 | protected function removeVirtualPackagesFilter(string $requiredPackageName): bool |
| 202 | { |
| 203 | return ! ( |
| 204 | 0 === strpos($requiredPackageName, 'ext') |
| 205 | // E.g. `php`, `php-64bit`. |
| 206 | || (0 === strpos($requiredPackageName, 'php') && false === strpos($requiredPackageName, '/')) |
| 207 | || in_array($requiredPackageName, $this->virtualPackages) |
| 208 | ); |
| 209 | } |
| 210 | } |