Rename example folders (#87)

examples/stdio-custom-dependencies/McpTaskHandlers.php

@@ -0,0 +1,92 @@
+<?php
+
+/*
+ * This file is part of the official PHP MCP SDK.
+ *
+ * A collaboration between Symfony and the PHP Foundation.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Mcp\Example\StdioCustomDependencies;
+
+use Mcp\Capability\Attribute\McpResource;
+use Mcp\Capability\Attribute\McpTool;
+use Mcp\Example\DependenciesStdioExample\Service\StatsServiceInterface;
+use Mcp\Example\DependenciesStdioExample\Service\TaskRepositoryInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * @phpstan-import-type Task from TaskRepositoryInterface
+ */
+final class McpTaskHandlers
+{
+    public function __construct(
+        private readonly TaskRepositoryInterface $taskRepo,
+        private readonly StatsServiceInterface $statsService,
+        private readonly LoggerInterface $logger,
+    ) {
+        $this->logger->info('McpTaskHandlers instantiated with dependencies.');
+    }
+
+    /**
+     * Adds a new task for a given user.
+     *
+     * @param string $userId      the ID of the user
+     * @param string $description the task description
+     *
+     * @return Task the created task details
+     */
+    #[McpTool(name: 'add_task')]
+    public function addTask(string $userId, string $description): array
+    {
+        $this->logger->info("Tool 'add_task' invoked", ['userId' => $userId]);
+
+        return $this->taskRepo->addTask($userId, $description);
+    }
+
+    /**
+     * Lists pending tasks for a specific user.
+     *
+     * @param string $userId the ID of the user
+     *
+     * @return Task[] a list of tasks
+     */
+    #[McpTool(name: 'list_user_tasks')]
+    public function listUserTasks(string $userId): array
+    {
+        $this->logger->info("Tool 'list_user_tasks' invoked", ['userId' => $userId]);
+
+        return $this->taskRepo->getTasksForUser($userId);
+    }
+
+    /**
+     * Marks a task as complete.
+     *
+     * @param int $taskId the ID of the task to complete
+     *
+     * @return array<string, mixed> status of the operation
+     */
+    #[McpTool(name: 'complete_task')]
+    public function completeTask(int $taskId): array
+    {
+        $this->logger->info("Tool 'complete_task' invoked", ['taskId' => $taskId]);
+        $success = $this->taskRepo->completeTask($taskId);
+
+        return ['success' => $success, 'message' => $success ? "Task {$taskId} completed." : "Task {$taskId} not found."];
+    }
+
+    /**
+     * Provides current system statistics.
+     *
+     * @return array<string, int> system statistics
+     */
+    #[McpResource(uri: 'stats://system/overview', name: 'system_stats', mimeType: 'application/json')]
+    public function getSystemStatistics(): array
+    {
+        $this->logger->info("Resource 'stats://system/overview' invoked");
+
+        return $this->statsService->getSystemStats();
+    }
+}