M2 Umsetzung

scripts/dev-db.php

@@ -31,12 +31,78 @@ function dev_pdo(): PDO
 
 function dev_apply_schema(PDO $pdo): void
 {
-    $schema = file_get_contents(__DIR__ . '/../database/mysql-dev-schema.sql');
-    if ($schema === false) {
-        fwrite(STDERR, "Could not read schema file.\n");
+    dev_apply_migrations($pdo);
+}
+
+function dev_migrations_dir(): string
+{
+    return __DIR__ . '/../database/migrations';
+}
+
+function dev_ensure_migration_table(PDO $pdo): void
+{
+    $pdo->exec(
+        'CREATE TABLE IF NOT EXISTS schema_migrations (
+            version VARCHAR(255) PRIMARY KEY,
+            applied_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci'
+    );
+}
+
+/**
+ * @return array<string, true>
+ */
+function dev_applied_migrations(PDO $pdo): array
+{
+    dev_ensure_migration_table($pdo);
+
+    $applied = [];
+    $stmt = $pdo->query('SELECT version FROM schema_migrations ORDER BY version');
+    foreach ($stmt->fetchAll(PDO::FETCH_COLUMN) as $version) {
+        $applied[(string)$version] = true;
+    }
+
+    return $applied;
+}
+
+/**
+ * @return list<string> Applied migration filenames.
+ */
+function dev_apply_migrations(PDO $pdo): array
+{
+    $dir = dev_migrations_dir();
+    $files = glob($dir . '/*.sql');
+    if ($files === false || $files === []) {
+        fwrite(STDERR, "No migration files found in {$dir}.\n");
         exit(1);
     }
 
-    $pdo->exec($schema);
-}
+    sort($files, SORT_STRING);
+    $applied = dev_applied_migrations($pdo);
+    $newlyApplied = [];
+    $insert = $pdo->prepare('INSERT INTO schema_migrations (version) VALUES (?)');
 
+    foreach ($files as $file) {
+        $version = basename($file);
+        if (isset($applied[$version])) {
+            continue;
+        }
+
+        $sql = file_get_contents($file);
+        if ($sql === false) {
+            fwrite(STDERR, "Could not read migration file {$version}.\n");
+            exit(1);
+        }
+
+        try {
+            $pdo->exec($sql);
+            $insert->execute([$version]);
+            $newlyApplied[] = $version;
+        } catch (Throwable $e) {
+            fwrite(STDERR, "Migration {$version} failed: {$e->getMessage()}\n");
+            exit(1);
+        }
+    }
+
+    return $newlyApplied;
+}

scripts/init-mysql-dev.php

@@ -2,35 +2,18 @@
 
 declare(strict_types=1);
 
-$required = ['DB_HOST', 'DB_NAME', 'DB_USER', 'DB_PASS', 'DEV_AUTH_EMAIL'];
-foreach ($required as $name) {
-    if ((getenv($name) ?: '') === '') {
-        fwrite(STDERR, "Missing environment variable: {$name}\n");
-        exit(1);
-    }
-}
+require __DIR__ . '/dev-db.php';
 
-$dsn = sprintf(
-    'mysql:host=%s;port=%s;dbname=%s;charset=utf8mb4',
-    getenv('DB_HOST'),
-    getenv('DB_PORT') ?: '3306',
-    getenv('DB_NAME')
-);
-
-$pdo = new PDO($dsn, getenv('DB_USER'), getenv('DB_PASS'), [
-    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
-    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
-]);
-
-$schema = file_get_contents(__DIR__ . '/../database/mysql-dev-schema.sql');
-if ($schema === false) {
-    fwrite(STDERR, "Could not read schema file.\n");
+$email = getenv('DEV_AUTH_EMAIL');
+if ($email === false || trim($email) === '') {
+    fwrite(STDERR, "Missing environment variable: DEV_AUTH_EMAIL\n");
     exit(1);
 }
 
-$pdo->exec($schema);
+$pdo = dev_pdo();
+dev_apply_schema($pdo);
 
-$email = strtolower(trim((string)getenv('DEV_AUTH_EMAIL')));
+$email = strtolower(trim((string)$email));
 $name = trim((string)(getenv('DEV_AUTH_NAME') ?: 'Test Admin'));
 
 $stmt = $pdo->prepare(
@@ -64,4 +47,3 @@ if ($noticeCount === 0) {
 }
 
 echo "MySQL dev schema is ready for {$email}.\n";
-

scripts/migrate.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+require __DIR__ . '/dev-db.php';
+
+$pdo = dev_pdo();
+$applied = dev_apply_migrations($pdo);
+
+if ($applied === []) {
+    echo "No new migrations. Database is up to date.\n";
+    exit(0);
+}
+
+foreach ($applied as $version) {
+    echo "Applied migration: {$version}\n";
+}
+
+echo "Applied " . count($applied) . " migration(s).\n";
+