- Working on revamping Ulmus bases classes

src/Pdo/SqlitePdoTrait.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Ulmus\Pdo;
+
+trait SqlitePdoTrait
+{
+    use SqlPdoTrait;
+
+    public bool $inTransaction = false;
+
+    public function inTransaction(): bool
+    {
+        return $this->openedTransaction > 0;
+    }
+
+    public function commit(): bool
+    {
+        if ( 0 === --$this->openedTransaction) {
+            return $this->exec("COMMIT") !== false;
+        }
+
+        return $this->exec("RELEASE SAVEPOINT transaction_{$this->openedTransaction}") !== false;
+    }
+
+    public function rollback() : bool
+    {
+        if ($this->openedTransaction > 1) {
+            return $this->exec('ROLLBACK TO transaction_' . $this->openedTransaction--) !== false;
+        }
+        elseif ($this->openedTransaction-- === 1) {
+            # We must do it manually since opening a transaction manually stucks PDO into thinking we've got no transaction opened
+            return $this->exec('ROLLBACK') !== false;
+        }
+
+        return false;
+    }
+
+    protected function openTransaction(): bool
+    {
+        return $this->exec("BEGIN IMMEDIATE TRANSACTION") !== false;
+    }
+}