From 4c7bde1400820f36caf8b2a5374007384c3018f3 Mon Sep 17 00:00:00 2001
From: winter
Date: Mon, 9 Dec 2024 21:31:54 +0000
Subject: rename to Digitigrade / PawPub

:3
---
 Digitigrade/Db.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Digitigrade/Db.php

(limited to 'Digitigrade/Db.php')

diff --git a/Digitigrade/Db.php b/Digitigrade/Db.php
new file mode 100644
index 0000000..c9f9df9
--- /dev/null
+++ b/Digitigrade/Db.php
@@ -0,0 +1,42 @@
+<?php
+namespace Digitigrade;
+
+use Digitigrade\Model\Actor;
+
+class Db extends Singleton {
+    private const INIT_SCHEMA_PATH = __DIR__ . '/../schema.sql';
+
+    private \PDO $conn;
+
+    protected function __construct() {
+        $conf = GlobalConfig::getInstance();
+        $this->conn = new \PDO($conf->getDbConnection(), $conf->getDbUser(), $conf->getDbPassword(), [
+            \PDO::ATTR_PERSISTENT => true,
+        ]);
+    }
+
+    public function runInitialSchema() {
+        $this->conn->exec(file_get_contents(self::INIT_SCHEMA_PATH));
+    }
+
+    public function getDbVersion(): int {
+        $result = $this->conn->query('SELECT db_version FROM db_version');
+        return $result->fetch()['db_version'];
+    }
+
+    /**
+     * Changes the database schema version
+     * 
+     * CAREFUL! this shouldn't be used unless you absolutely know why
+     * @param int $newVersion the new version number
+     * @return void
+     */
+    public function setDbVersion(int $newVersion) {
+        $stmt = $this->conn->prepare('UPDATE db_version SET db_version = ?');
+        $stmt->execute([$newVersion]);
+    }
+
+    public function getPdo(): \PDO {
+        return $this->conn;
+    }
+}
\ No newline at end of file
-- 
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