DatabaseExtension: detects Tracy by presence of service @tracy\BlueScreen [Closes nette/di#245]

Author: dg

src/Bridges/DatabaseDI/DatabaseExtension.php

@@ -36,7 +36,7 @@ public function getConfigSchema(): Nette\Schema\Schema
 				'user' => Expect::string()->nullable()->dynamic(),
 				'password' => Expect::string()->nullable()->dynamic(),
 				'options' => Expect::array(),
-				'debugger' => Expect::bool(true),
+				'debugger' => Expect::bool(),
 				'explain' => Expect::bool(true),
 				'reflection' => Expect::string(), // BC
 				'conventions' => Expect::string('discovered'), // Nette\Database\Conventions\DiscoveredConventions
@@ -61,6 +61,24 @@ public function loadConfiguration()
 	}
 
 
+	public function beforeCompile()
+	{
+		$builder = $this->getContainerBuilder();
+
+		foreach ($this->config as $name => $config) {
+			if ($config->debugger ?? $builder->getByType(\Tracy\BlueScreen::class)) {
+				$connection = $builder->getDefinition($this->prefix("$name.connection"));
+				$connection->addSetup('@Tracy\BlueScreen::addPanel', [
+					[Nette\Bridges\DatabaseTracy\ConnectionPanel::class, 'renderException'],
+				]);
+				if ($this->debugMode) {
+					$connection->addSetup([Nette\Database\Helpers::class, 'createDebugPanel'], [$connection, !empty($config->explain), $name]);
+				}
+			}
+		}
+	}
+
+
 	private function setupDatabase(\stdClass $config, string $name): void
 	{
 		$builder = $this->getContainerBuilder();
@@ -113,15 +131,6 @@ private function setupDatabase(\stdClass $config, string $name): void
 			->setFactory(Nette\Database\Context::class, [$connection, $structure, $conventions])
 			->setAutowired($config->autowired);
 
-		if ($config->debugger) {
-			$connection->addSetup('@Tracy\BlueScreen::addPanel', [
-				[Nette\Bridges\DatabaseTracy\ConnectionPanel::class, 'renderException'],
-			]);
-			if ($this->debugMode) {
-				$connection->addSetup([Nette\Database\Helpers::class, 'createDebugPanel'], [$connection, !empty($config->explain), $name]);
-			}
-		}
-
 		if ($this->name === 'database') {
 			$builder->addAlias($this->prefix($name), $this->prefix("$name.connection"));
 			$builder->addAlias("nette.database.$name", $this->prefix($name));