migrado do redis para sqlite, no futuro tera rotinas para limpar caches

.gitignore

@@ -3,6 +3,7 @@ composer.lock
 .env
 app/logs/*.log
 app/cache/*.gz
+app/cache/database/*.sql
 TODO.md
 node_modules
 

Dockerfile

@@ -11,10 +11,9 @@ RUN apt-get update && apt-get install -y \
     git \
     htop \
     libzip-dev \
-    libhiredis-dev \
-    && docker-php-ext-install zip opcache \
-    && pecl install redis \
-    && docker-php-ext-enable redis opcache \
+    sqlite3 \
+    && docker-php-ext-install zip opcache pdo_sqlite \
+    && docker-php-ext-enable opcache \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Stage 1: Build stage
@@ -48,8 +47,8 @@ COPY default.conf /etc/nginx/sites-available/default
 COPY docker-entrypoint.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 
-# Create cache and logs folders
-RUN mkdir -p /app/cache /app/logs
+# Create cache, database, and logs folders
+RUN mkdir -p /app/cache /app/cache/database /app/logs
 
 # Configure base permissions for /app directory
 RUN chown -R www-data:www-data /app \

app/config.php

@@ -38,11 +38,6 @@ try {
     define('CACHE_DIR', __DIR__ . '/cache');
     define('LANGUAGE', $_ENV['LANGUAGE'] ?? 'pt-br');
 
-    // Redis connection settings
-    define('REDIS_HOST', $_ENV['REDIS_HOST'] ?? 'localhost');
-    define('REDIS_PORT', $_ENV['REDIS_PORT'] ?? 6379);
-    define('REDIS_PREFIX', $_ENV['REDIS_PREFIX'] ?? 'marreta:');
-
     // Logging configuration
     define('LOG_LEVEL', $_ENV['LOG_LEVEL'] ?? 'WARNING'); // DEBUG, INFO, WARNING, ERROR, CRITICAL
     define('LOG_DAYS_TO_KEEP', 7);

app/inc/Cache.php

@@ -5,7 +5,7 @@ namespace Inc;
 use Inc\Cache\CacheStorageInterface;
 use Inc\Cache\DiskStorage;
 use Inc\Cache\S3Storage;
-use Inc\Cache\RedisStorage;
+use Inc\Cache\SQLiteStorage;
 
 /**
  * System cache management with multiple storage backends (disk/S3)
@@ -17,18 +17,18 @@ class Cache
     /** @var CacheStorageInterface Cache storage implementation */
     private $storage;
 
-    /** @var RedisStorage Redis instance for file counting */
-    private $redisStorage;
+    /** @var SQLiteStorage SQLite instance for file counting */
+    private $sqliteStorage;
 
     /**
      * Initializes storage based on configuration
      * Uses S3Storage if configured and enabled
-     * Defaults to DiskStorage otherwise
+     * Defaults to SQLiteStorage otherwise (which delegates to DiskStorage)
      */
     public function __construct()
     {
-        $this->redisStorage = new RedisStorage(CACHE_DIR);
-
+        $this->sqliteStorage = new SQLiteStorage(CACHE_DIR);
+        
         if (defined('S3_CACHE_ENABLED') && S3_CACHE_ENABLED === true) {
             $this->storage = new S3Storage([
                 'key'      => S3_ACCESS_KEY,
@@ -40,14 +40,14 @@ class Cache
                 'endpoint' => defined('S3_ENDPOINT') ? S3_ENDPOINT : null
             ]);
         } else {
-            $this->storage = new DiskStorage(CACHE_DIR);
+            $this->storage = $this->sqliteStorage;
         }
     }
 
     /** Gets total number of cached files */
     public function getCacheFileCount(): int
     {
-        return $this->redisStorage->countCacheFiles();
+        return $this->sqliteStorage->countCacheFiles();
     }
 
     /**

app/inc/Cache/RedisStorage.php

@@ -1,128 +0,0 @@
-<?php
-
-namespace Inc\Cache;
-
-use Redis;
-
-/**
- * Redis-based cache storage implementation
- * Provides cache storage and file counting functionality using Redis
- */
-class RedisStorage implements CacheStorageInterface
-{
-    /**
-     * @var \Redis|null Redis client instance
-     */
-    private $redis;
-
-    /**
-     * @var string Cache directory for file counting
-     */
-    private $cacheDir;
-
-    /**
-     * Class constructor
-     * @param string $cacheDir Base directory for cache storage
-     */
-    public function __construct(string $cacheDir)
-    {
-        $this->cacheDir = $cacheDir;
-
-        // Try to initialize Redis connection
-        try {
-            $this->redis = new \Redis();
-            $this->redis->connect(REDIS_HOST, REDIS_PORT, 2.5);
-            $this->redis->setOption(\Redis::OPT_PREFIX, REDIS_PREFIX);
-        } catch (\Exception $e) {
-            $this->redis = null;
-        }
-    }
-
-    /**
-     * Counts the number of files in the cache directory
-     * @return int Number of files in the cache directory
-     */
-    public function countCacheFiles(): int
-    {
-        $cacheCountKey = 'cache_file_count';
-
-        if ($this->redis !== null) {
-            $cachedCount = $this->redis->get($cacheCountKey);
-            if ($cachedCount !== false) {
-                return (int)$cachedCount;
-            }
-        }
-
-        $fileCount = 0;
-        $iterator = new \FilesystemIterator($this->cacheDir);
-        foreach ($iterator as $file) {
-            if ($file->isFile() && $file->getExtension() === 'gz') {
-                $fileCount++;
-            }
-        }
-
-        if ($this->redis !== null) {
-            $this->redis->set($cacheCountKey, $fileCount);
-        }
-
-        return $fileCount;
-    }
-
-    /**
-     * Updates the file count in Redis
-     * @param int $count Number of files
-     */
-    public function updateCacheFileCount(int $count): void
-    {
-        if ($this->redis !== null) {
-            $this->redis->set('cache_file_count', $count);
-        }
-    }
-
-    /**
-     * Checks if cache exists for a given ID
-     * @param string $id Cache ID
-     * @return bool True if cache exists, false otherwise
-     */
-    public function exists(string $id): bool
-    {
-        return $this->redis !== null ? $this->redis->exists($id) : false;
-    }
-
-    /**
-     * Retrieves cached content
-     * @param string $id Cache ID
-     * @return string|null Cached content or null if not found
-     */
-    public function get(string $id): ?string
-    {
-        if ($this->redis === null) {
-            return null;
-        }
-        
-        $content = $this->redis->get($id);
-        return $content === false ? null : $content;
-    }
-
-    /**
-     * Stores content in cache
-     * @param string $id Cache ID
-     * @param string $content Content to be stored
-     * @return bool True if successful, false otherwise
-     */
-    public function set(string $id, string $content): bool
-    {
-        if ($this->redis === null) {
-            return false;
-        }
-
-        $result = $this->redis->set($id, $content);
-        
-        if ($result) {
-            $currentCount = $this->redis->get('cache_file_count') ?: 0;
-            $this->redis->set('cache_file_count', $currentCount + 1);
-        }
-
-        return $result;
-    }
-}

app/inc/Cache/SQLiteStorage.php

@@ -0,0 +1,177 @@
+<?php
+
+namespace Inc\Cache;
+
+use PDO;
+use PDOException;
+
+/**
+ * SQLite-based cache storage implementation
+ * Provides file counting functionality using SQLite
+ * Delegates actual cache storage to DiskStorage
+ */
+class SQLiteStorage implements CacheStorageInterface
+{
+    /**
+     * @var PDO|null SQLite connection
+     */
+    private $db;
+
+    /**
+     * @var string Cache directory for file counting
+     */
+    private $cacheDir;
+
+    /**
+     * @var string Path to SQLite database file
+     */
+    private $dbPath;
+
+    /**
+     * @var DiskStorage Disk storage for cache entries
+     */
+    private $diskStorage;
+
+    /**
+     * Class constructor
+     * @param string $cacheDir Base directory for cache storage
+     */
+    public function __construct(string $cacheDir)
+    {
+        $this->cacheDir = $cacheDir;
+        $this->diskStorage = new DiskStorage($cacheDir);
+        
+        // Ensure database directory exists
+        $dbDir = $cacheDir . '/database';
+        if (!is_dir($dbDir)) {
+            mkdir($dbDir, 0755, true);
+        }
+        
+        $this->dbPath = $dbDir . '/.sqlite';
+        
+        // Try to initialize SQLite connection
+        try {
+            $this->db = new PDO('sqlite:' . $this->dbPath);
+            $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+            
+            // Create tables if they don't exist
+            $this->initDatabase();
+            
+            // If database file was just created, count cache files
+            if (!file_exists($this->dbPath) || filesize($this->dbPath) < 1024) {
+                $this->countCacheFiles();
+            }
+        } catch (PDOException $e) {
+            $this->db = null;
+        }
+    }
+    
+    /**
+     * Initialize database tables
+     */
+    private function initDatabase(): void
+    {
+        $this->db->exec("
+            CREATE TABLE IF NOT EXISTS stats (
+                key TEXT PRIMARY KEY,
+                value INTEGER NOT NULL
+            )
+        ");
+    }
+
+    /**
+     * Counts the number of files in the cache directory
+     * @return int Number of files in the cache directory
+     */
+    public function countCacheFiles(): int
+    {
+        if ($this->db !== null) {
+            try {
+                $stmt = $this->db->query("SELECT value FROM stats WHERE key = 'count'");
+                $result = $stmt->fetch(PDO::FETCH_ASSOC);
+                
+                if ($result) {
+                    return (int)$result['value'];
+                }
+            } catch (PDOException $e) {
+                // Continue to count files if query fails
+            }
+        }
+
+        $fileCount = 0;
+        $iterator = new \FilesystemIterator($this->cacheDir);
+        foreach ($iterator as $file) {
+            if ($file->isFile() && $file->getExtension() === 'gz') {
+                $fileCount++;
+            }
+        }
+
+        if ($this->db !== null) {
+            $this->updateCacheFileCount($fileCount);
+        }
+
+        return $fileCount;
+    }
+
+    /**
+     * Updates the file count in SQLite
+     * @param int $count Number of files
+     */
+    public function updateCacheFileCount(int $count): void
+    {
+        if ($this->db !== null) {
+            try {
+                $stmt = $this->db->prepare("
+                    INSERT OR REPLACE INTO stats (key, value)
+                    VALUES ('count', :count)
+                ");
+                $stmt->bindParam(':count', $count, PDO::PARAM_INT);
+                $stmt->execute();
+            } catch (PDOException $e) {
+                // Silently fail if update fails
+            }
+        }
+    }
+
+    /**
+     * Checks if cache exists for a given ID
+     * Delegates to DiskStorage
+     * @param string $id Cache ID
+     * @return bool True if cache exists, false otherwise
+     */
+    public function exists(string $id): bool
+    {
+        return $this->diskStorage->exists($id);
+    }
+
+    /**
+     * Retrieves cached content
+     * Delegates to DiskStorage
+     * @param string $id Cache ID
+     * @return string|null Cached content or null if not found
+     */
+    public function get(string $id): ?string
+    {
+        return $this->diskStorage->get($id);
+    }
+
+    /**
+     * Stores content in cache
+     * Delegates to DiskStorage and updates file count
+     * @param string $id Cache ID
+     * @param string $content Content to be stored
+     * @return bool True if successful, false otherwise
+     */
+    public function set(string $id, string $content): bool
+    {
+        $result = $this->diskStorage->set($id, $content);
+        
+        if ($result) {
+            // Increment cache file count
+            $currentCount = $this->countCacheFiles();
+            $this->updateCacheFileCount($currentCount + 1);
+        }
+        
+        return $result;
+    }
+}

docker-entrypoint.sh

@@ -54,6 +54,7 @@ log_success "Environment variables configured"
 log_info "Adjusting directory permissions..."
 
 mkdir -p /app/cache /app/logs # Ensures directories exist
+mkdir -p /app/cache/database
 chown -R www-data:www-data /app/cache /app/logs
 chmod -R 775 /app/cache /app/logs