[WIP] Issue #80: Add fix-dependencies command

composer.json

@@ -18,6 +18,7 @@
         "ext-json": "*",
         "ext-openssl": "*",
         "cpliakas/git-wrapper": "^3.0",
+        "nikic/php-parser": "^4.5",
         "squizlabs/php_codesniffer": "^3.3",
         "symfony/console": "^5.0",
         "symfony/filesystem": "^5.0",

src/Command/FixDependenciesCommand.php

@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\YiiDevTool\Command;
+
+use Yiisoft\YiiDevTool\Component\CodeUsage\ComposerPackageUsageAnalyzer;
+use Yiisoft\YiiDevTool\Component\Composer\ComposerConfig;
+use Yiisoft\YiiDevTool\Component\Composer\ComposerConfigDependenciesModifier;
+use Yiisoft\YiiDevTool\Component\Composer\ComposerPackage;
+use Yiisoft\YiiDevTool\Component\CodeUsage\CodeUsageEnvironment;
+use Yiisoft\YiiDevTool\Component\CodeUsage\NamespaceUsageFinder;
+use Yiisoft\YiiDevTool\Component\Console\PackageCommand;
+use Yiisoft\YiiDevTool\Component\Package\Package;
+
+class FixDependenciesCommand extends PackageCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('fix-dependencies')
+            ->setDescription('Fix <fg=yellow;options=bold>require</> and <fg=yellow;options=bold>require-dev</> sections in <fg=blue;options=bold>composer.json</> according to the actual use of classes');
+
+        $this->addPackageArgument();
+    }
+
+    protected function getMessageWhenNothingHasBeenOutput(): ?string
+    {
+        return '<success>✔ Nothing to fix</success>';
+    }
+
+    protected function processPackage(Package $package): void
+    {
+        $io = $this->getIO();
+        $io->preparePackageHeader($package, "Fixing package {package} dependencies");
+
+        $package = new ComposerPackage($package->getName(), $package->getPath());
+
+        if (!$package->installed()) {
+            $io->warning([
+                "Package <package>{$package->getName()}</package> is not installed.",
+                "Dependencies fixing skipped.",
+            ]);
+
+            return;
+        }
+
+        $dependencyPackages = $package->getDependencyPackages('yiisoft');
+        foreach ($dependencyPackages as $dependencyPackage) {
+            if (!$dependencyPackage->installed()) {
+                $io->warning([
+                    "Dependency <package>{$dependencyPackage->getName()}</package> is not installed.",
+                    "Dependencies fixing skipped.",
+                ]);
+
+                return;
+            }
+        }
+
+        $namespaceUsages =
+            (new NamespaceUsageFinder())
+            ->addTargetPaths(CodeUsageEnvironment::PRODUCTION, [
+                'config/common.php',
+                'config/web.php',
+                'src',
+            ], $package->getPath())
+            ->addTargetPaths(CodeUsageEnvironment::DEV, [
+                'config/tests.php',
+                'tests',
+            ], $package->getPath())
+            ->getUsages();
+
+        $analyzer = new ComposerPackageUsageAnalyzer($dependencyPackages, $namespaceUsages);
+        $analyzer->analyze();
+
+        $composerConfig = $package->getComposerConfig();
+
+        (new ComposerConfigDependenciesModifier($composerConfig))
+            ->removeDependencies($analyzer->getUnusedPackages())
+            ->ensureDependenciesUsedOnlyInSection(
+                $analyzer->getPackagesUsedInSpecifiedEnvironment(CodeUsageEnvironment::PRODUCTION),
+                ComposerConfig::SECTION_REQUIRE,
+            )
+            ->ensureDependenciesUsedOnlyInSection(
+                $analyzer->getPackagesUsedOnlyInSpecifiedEnvironment(CodeUsageEnvironment::DEV),
+                ComposerConfig::SECTION_REQUIRE_DEV,
+            );
+
+        $composerConfig->writeToFile($package->getComposerConfigPath());
+
+        $io->done();
+    }
+}

src/Component/CodeUsage/CodeUsage.php

@@ -0,0 +1,86 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\YiiDevTool\Component\CodeUsage;
+
+use InvalidArgumentException;
+
+class CodeUsage
+{
+    private string $identifier;
+
+    /**
+     * @var string[]
+     */
+    private array $environments = [];
+
+    /**
+     * @param string $identifier Unique identifier of code usage: namespace, package name, etc.
+     * @param string[] $environments Environment in which the code is used.
+     */
+    public function __construct(string $identifier, array $environments)
+    {
+        foreach ($environments as $environment) {
+            if (!is_string($environment)) {
+                throw new InvalidArgumentException('Each environment must be a string.');
+            }
+        }
+
+        $this->identifier = $identifier;
+        $this->environments = $environments;
+    }
+
+    public function getIdentifier(): string
+    {
+        return $this->identifier;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getEnvironments(): array
+    {
+        return $this->environments;
+    }
+
+    public function registerUsageInEnvironment(string $environment): void
+    {
+        if (!in_array($environment, $this->environments, true)) {
+            $this->environments[] = $environment;
+        }
+    }
+
+    /**
+     * @param string[] $environments
+     */
+    public function registerUsageInEnvironments(array $environments): void
+    {
+        foreach ($environments as $environment) {
+            if (!is_string($environment)) {
+                throw new InvalidArgumentException('Each environment must be a string.');
+            }
+
+            $this->registerUsageInEnvironment($environment);
+        }
+    }
+
+    public function usedInEnvironment(string $environment): bool
+    {
+        return in_array($environment, $this->environments, true);
+    }
+
+    public function usedOnlyInSpecifiedEnvironment(string $environment): bool
+    {
+        if (count($this->environments) !== 1) {
+            return false;
+        }
+
+        return in_array($environment, $this->environments, true);
+    }
+
+    public function used(): bool
+    {
+        return count($this->environments) > 0;
+    }
+}

src/Component/CodeUsage/CodeUsageEnvironment.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\YiiDevTool\Component\CodeUsage;
+
+class CodeUsageEnvironment
+{
+    public const PRODUCTION = 'production';
+    public const DEV = 'dev';
+}

src/Component/CodeUsage/ComposerPackageUsageAnalyzer.php

@@ -0,0 +1,118 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\YiiDevTool\Component\CodeUsage;
+
+use InvalidArgumentException;
+use Yiisoft\YiiDevTool\Component\Composer\ComposerPackage;
+
+class ComposerPackageUsageAnalyzer
+{
+    /**
+     * @var ComposerPackage[]
+     */
+    private array $packages = [];
+
+    /**
+     * @var CodeUsage[]
+     */
+    private array $namespaceUsages = [];
+
+    /**
+     * @var CodeUsage[]
+     */
+    private array $packageUsages = [];
+
+    /**
+     * @param ComposerPackage[] $packages
+     * @param CodeUsage[] $namespaceUsages
+     */
+    public function __construct(array $packages, array $namespaceUsages)
+    {
+        foreach ($packages as $package) {
+            if (!$package instanceof ComposerPackage) {
+                throw new InvalidArgumentException('$packages must be an array of ComposerPackage objects.');
+            }
+        }
+
+        foreach ($namespaceUsages as $namespaceUsage) {
+            if (!$namespaceUsage instanceof CodeUsage) {
+                throw new InvalidArgumentException('$namespaceUsages must be an array of CodeUsage objects.');
+            }
+        }
+
+        foreach ($packages as $package) {
+            $this->packages[$package->getName()] = $package;
+        }
+
+        foreach ($namespaceUsages as $namespaceUsage) {
+            $this->namespaceUsages[$namespaceUsage->getIdentifier()] = $namespaceUsage;
+        }
+    }
+
+    public function analyze(): void
+    {
+        foreach ($this->packages as $package) {
+            foreach ($package->getNamespaces() as $packageNamespace) {
+                foreach ($this->namespaceUsages as $namespaceUsage) {
+                    if (strpos($namespaceUsage->getIdentifier(), "\\$packageNamespace") === 0) {
+                        $this->registerPackageUsage($package->getName(), $namespaceUsage->getEnvironments());
+                    }
+                }
+            }
+        }
+    }
+
+    public function getPackagesUsedInSpecifiedEnvironment(string $environment): array
+    {
+        $result = [];
+
+        foreach ($this->packageUsages as $packageUsage) {
+            if ($packageUsage->usedInEnvironment($environment)) {
+                $result[] = $this->packages[$packageUsage->getIdentifier()];
+            }
+        }
+
+        return $result;
+    }
+
+    public function getPackagesUsedOnlyInSpecifiedEnvironment(string $environment): array
+    {
+        $result = [];
+
+        foreach ($this->packageUsages as $packageUsage) {
+            if ($packageUsage->usedOnlyInSpecifiedEnvironment($environment)) {
+                $result[] = $this->packages[$packageUsage->getIdentifier()];
+            }
+        }
+
+        return $result;
+    }
+
+    public function getUnusedPackages(): array
+    {
+        $result = [];
+
+        foreach ($this->packageUsages as $packageUsage) {
+            if (!$packageUsage->used()) {
+                $result[] = $this->packages[$packageUsage->getIdentifier()];
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param string $packageName
+     * @param string[] $environments
+     */
+    private function registerPackageUsage(string $packageName, array $environments): void
+    {
+        if (!array_key_exists($packageName, $this->packageUsages)) {
+            $this->packageUsages[$packageName] = new CodeUsage($packageName, $environments);
+        } else {
+            $this->packageUsages[$packageName]->registerUsageInEnvironments($environments);
+        }
+    }
+}