implement connection cache

src/Abstract/Model/Connection.php

@@ -4,15 +4,22 @@ declare(strict_types=1);
 
 namespace Yggverse\Yoda\Abstract\Model;
 
+use \Yggverse\Yoda\Model\Database;
 use \Yggverse\Yoda\Model\Pool;
 
 abstract class Connection implements \Yggverse\Yoda\Interface\Model\Connection
 {
+    private Database $_database;
+
     private Pool $_pool;
 
     public function __construct(
+        Database $database,
         ?Pool $pool = null
     ) {
+        // Init database connection to store cached results
+        $this->_database = $database;
+
         // Use shared memory pool for async operations
         $this->_pool = $pool ? $pool : new Pool;
 
@@ -228,6 +235,37 @@ abstract class Connection implements \Yggverse\Yoda\Interface\Model\Connection
         return null;
     }
 
+    public function getCache(
+        string $request
+    ): ?object
+    {
+        if ($cache = $this->_database->findCache($request))
+        {
+            if (empty($cache[0]))
+            {
+                throw new \Exception;
+            }
+
+            return $cache[0];
+        }
+
+        return null;
+    }
+
+    public function cache(
+        string $request
+    ): void
+    {
+        $this->_database->renewCache(
+            $request,
+            $this->getMime(),
+            $this->getTitle(),
+            $this->getSubtitle(),
+            $this->getTooltip(),
+            $this->getData()
+        );
+    }
+
     public function reset(): void
     {
         $this->_pool->reset();

src/Entity/Browser/Container/Page.php

@@ -160,7 +160,9 @@ class Page
         $this->response->hide();
 
         // Update content using multi-protocol driver
-        $connection = new Connection;
+        $connection = new Connection(
+            $this->container->browser->database
+        );
 
         // Async request
         $connection->request(

src/Interface/Model/Connection.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Yggverse\Yoda\Interface\Model;
 
+use \Yggverse\Yoda\Model\Database;
 use \Yggverse\Yoda\Model\Pool;
 
 /*
@@ -13,6 +14,7 @@ use \Yggverse\Yoda\Model\Pool;
 interface Connection
 {
     public function __construct(
+        Database $database,
         ?Pool $pool = null
     );
 
@@ -74,6 +76,14 @@ interface Connection
 
     public function getLength(): ?int;
 
+    public function getCache(
+        string $request
+    ): ?object;
+
+    public function cache(
+        string $request
+    ): void;
+
     public function reset(): void;
 
     public function close(): void;

src/Model/Connection/Gemini.php

@@ -109,11 +109,16 @@ class Gemini
                     $address->get()
                 );
 
-                // Update content data
+                // Set data
                 $this->_connection->setData(
                     $response->getBody()
                 );
 
+                // Cache
+                $this->_connection->cache(
+                    $address->get()
+                );
+
             break;
 
             case 31: // redirect
@@ -149,6 +154,35 @@ class Gemini
 
             default:
 
+                // Try cache
+                if ($cache = $this->_connection->getCache($address->get()))
+                {
+                    $this->_connection->setTitle(
+                        $cache->title
+                    );
+
+                    $this->_connection->setSubtitle(
+                        date(
+                            'c',
+                            $cache->time
+                        ) # $cache->subtitle
+                    );
+
+                    $this->_connection->setTooltip(
+                        $cache->tooltip
+                    );
+
+                    $this->_connection->setData(
+                        $cache->data
+                    );
+
+                    $this->_connection->setMime(
+                        $cache->mime
+                    );
+                }
+
+                else
+                {
                     $this->_connection->setTitle(
                         _('Oops!')
                     );
@@ -179,6 +213,7 @@ class Gemini
                         Filesystem::MIME_TEXT_GEMINI
                     );
                 }
+        }
 
         $this->_connection->setCompleted(
             true

src/Model/Connection/Nex.php

@@ -31,6 +31,7 @@ class Nex
             $timeout
         );
 
+        // Success
         if ($response)
         {
             // Detect MIME type
@@ -67,9 +68,42 @@ class Nex
                 $address->get()
             );
 
+            // Set data
             $this->_connection->setData(
                 $response
             );
+
+            // Cache
+            $this->_connection->cache(
+                $address->get()
+            );
+        }
+
+        // Try cache
+        if ($cache = $this->_connection->getCache())
+        {
+            $this->_connection->setTitle(
+                $cache->title
+            );
+
+            $this->_connection->setSubtitle(
+                date(
+                    'c',
+                    $cache->time
+                ) # $cache->subtitle
+            );
+
+            $this->_connection->setTooltip(
+                $cache->tooltip
+            );
+
+            $this->_connection->setData(
+                $cache->data
+            );
+
+            $this->_connection->setMime(
+                $cache->mime
+            );
         }
 
         else

src/Model/Database.php

@@ -6,7 +6,7 @@ namespace Yggverse\Yoda\Model;
 
 class Database
 {
-    private \PDO $_database;
+    private \PDO $_connection;
 
     private bool $_exists;
 
@@ -21,7 +21,7 @@ class Database
         );
 
         // Init database connection
-        $this->_database = new \PDO(
+        $this->_connection = new \PDO(
             sprintf(
                 'sqlite:%s',
                 $filename
@@ -30,28 +30,32 @@ class Database
             $password
         );
 
-        $this->_database->setAttribute(
+        $this->_connection->setAttribute(
             \PDO::ATTR_ERRMODE,
             \PDO::ERRMODE_EXCEPTION
         );
 
-        $this->_database->setAttribute(
+        $this->_connection->setAttribute(
             \PDO::ATTR_DEFAULT_FETCH_MODE,
             \PDO::FETCH_OBJ
         );
 
         // Init tables
-        $this->_database->query('
+        $this->_connection->query('
             CREATE TABLE IF NOT EXISTS `cache`
             (
                 `id`       INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 `time`     INTEGER NOT NULL,
                 `request`  VARCHAR(1024),
+                `mime`     VARCHAR(255),
+                `title`    VARCHAR(255),
+                `subtitle` VARCHAR(255),
+                `tooltip`  VARCHAR(255),
                 `data`     BLOB
             );
         ');
 
-        $this->_database->query('
+        $this->_connection->query('
             CREATE TABLE IF NOT EXISTS `history`
             (
                 `id`    INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
@@ -61,7 +65,7 @@ class Database
             )
         ');
 
-        $this->_database->query('
+        $this->_connection->query('
             CREATE TABLE IF NOT EXISTS `session`
             (
                 `id`      INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
@@ -83,24 +87,48 @@ class Database
     // Cache
     public function addCache(
         ?string $request = null,
+        ?string $mime = null,
+        ?string $title = null,
+        ?string $subtitle = null,
+        ?string $tooltip = null,
         ?string $data = null,
         ?int $time = null
     ): int
     {
-        $query = $this->_database->prepare(
-            'INSERT INTO `cache` (`time`, `request`, `data`) VALUES (:time, :request, :data)'
+        $query = $this->_connection->prepare(
+            'INSERT INTO `cache` (
+                `time`,
+                `request`,
+                `mime`,
+                `title`,
+                `subtitle`,
+                `tooltip`,
+                `data`
+            ) VALUES (
+                :time,
+                :request,
+                :mime,
+                :title,
+                :subtitle,
+                :tooltip,
+                :data
+            )'
         );
 
         $query->execute(
             [
                 ':time'     => $time ? $time : time(),
                 ':request'  => $request,
+                ':mime'     => $mime,
+                ':title'    => $title,
+                ':subtitle' => $subtitle,
+                ':tooltip'  => $tooltip,
                 ':data'     => $data
             ]
         );
 
         return intval(
-            $this->_database->lastInsertId()
+            $this->_connection->lastInsertId()
         );
     }
 
@@ -110,7 +138,7 @@ class Database
         int $limit = 1000
     ): array
     {
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             sprintf(
                 'SELECT * FROM `cache`
                           WHERE `request` LIKE :request
@@ -138,7 +166,7 @@ class Database
         int $id
     ): int
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             sprintf(
                 'DELETE FROM `cache` WHERE `id` = %d',
                 $id
@@ -152,7 +180,7 @@ class Database
         int $timeout = 0
     ): int
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             sprintf(
                 'DELETE FROM `cache` WHERE `time` + %d < %d',
                 $timeout,
@@ -165,11 +193,16 @@ class Database
 
     public function renewCache(
         string $request,
-        ?string $title = null
+        ?string $mime = null,
+        ?string $title = null,
+        ?string $subtitle = null,
+        ?string $tooltip = null,
+        ?string $data = null,
+        ?int $time = null
     ): void
     {
         // Find same records match URL
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             'SELECT * FROM `cache` WHERE `request` LIKE :request'
         );
 
@@ -190,7 +223,12 @@ class Database
         // Add new record
         $this->addCache(
             $request,
-            $data
+            $mime,
+            $title,
+            $subtitle,
+            $tooltip,
+            $data,
+            $time
         );
     }
 
@@ -200,7 +238,7 @@ class Database
         ?string $title = null
     ): int
     {
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             'INSERT INTO `history` (`time`, `url`, `title`) VALUES (:time, :url, :title)'
         );
 
@@ -213,7 +251,7 @@ class Database
         );
 
         return intval(
-            $this->_database->lastInsertId()
+            $this->_connection->lastInsertId()
         );
     }
 
@@ -223,7 +261,7 @@ class Database
         int $limit = 1000
     ): array
     {
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             sprintf(
                 'SELECT * FROM `history`
                           WHERE `url` LIKE :value OR `title` LIKE :value
@@ -250,7 +288,7 @@ class Database
         int $id
     ): int
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             sprintf(
                 'DELETE FROM `history` WHERE `id` = %d',
                 $id
@@ -264,7 +302,7 @@ class Database
         int $timeout = 0
     ): int
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             sprintf(
                 'DELETE FROM `history` WHERE `time` + %d < %d',
                 $timeout,
@@ -282,7 +320,7 @@ class Database
     ): void
     {
         // Find same records match URL
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             'SELECT * FROM `history` WHERE `url` LIKE :url'
         );
 
@@ -313,7 +351,7 @@ class Database
         ?int $time = null
     ): int
     {
-        $query = $this->_database->prepare(
+        $query = $this->_connection->prepare(
             'INSERT INTO `session` (`time`, `request`) VALUES (:time, :request)'
         );
 
@@ -325,13 +363,13 @@ class Database
         );
 
         return intval(
-            $this->_database->lastInsertId()
+            $this->_connection->lastInsertId()
         );
     }
 
     public function getSession(): array
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             'SELECT * FROM `session`'
         );
 
@@ -345,7 +383,7 @@ class Database
 
     public function cleanSession(): int
     {
-        $query = $this->_database->query(
+        $query = $this->_connection->query(
             'DELETE FROM `session`'
         );