// Add a lock on install process steps to be sure that a process can't be called if the first one isn't finished

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@12916 b9a71923-0436-4b27-9f14-aed3839534dd

install-dev/classes/session.php

@@ -45,9 +45,16 @@ class InstallSession
 		session_start();
 	}
 
-	public function __get($varname)
+	public function &__get($varname)
 	{
-		return isset($_SESSION[$varname]) ? $_SESSION[$varname] : null;
+		if (isset($_SESSION[$varname]))
+			$ref = &$_SESSION[$varname];
+		else
+		{
+			$null = null;
+			$ref = &$null;
+		}
+		return $ref;
 	}
 
 	public function __set($varname, $value)

install-dev/controllers/http/process.php

@@ -55,6 +55,20 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		return false;
 	}
 
+	public function initializeContext()
+	{
+		global $smarty;
+
+		Context::getContext()->shop = new Shop(1);
+		Configuration::loadConfiguration();
+		Context::getContext()->language = new Language(Configuration::get('PS_LANG_DEFAULT'));
+		Context::getContext()->country = new Country('PS_COUNTRY_DEFAULT');
+		Context::getContext()->cart = new Cart();
+
+		require_once _PS_ROOT_DIR_.'/config/smarty.config.inc.php';
+		Context::getContext()->smarty = $smarty;
+	}
+
 	public function process()
 	{
 		if (file_exists(_PS_ROOT_DIR_.'/'.self::SETTINGS_FILE))
@@ -62,18 +76,22 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 
 		if (Tools::getValue('installDatabase'))
 			$this->processInstallDatabase();
-		else if (Tools::getValue('populateDatabase'))
+		else if (Tools::getValue('populateDatabase') && !empty($this->session->process_validated['installDatabase']))
 			$this->processPopulateDatabase();
-		else if (Tools::getValue('configureShop'))
+		else if (Tools::getValue('configureShop') && !empty($this->session->process_validated['populateDatabase']))
 			$this->processConfigureShop();
-		else if (Tools::getValue('installModules'))
+		else if (Tools::getValue('installModules') && !empty($this->session->process_validated['configureShop']))
 			$this->processInstallModules();
-		else if (Tools::getValue('installFixtures'))
+		else if (Tools::getValue('installFixtures') && !empty($this->session->process_validated['installModules']))
 			$this->processInstallFixtures();
-		else if (Tools::getValue('installTheme'))
+		else if (Tools::getValue('installTheme') && !empty($this->session->process_validated['installFixtures']))
 			$this->processInstallTheme();
-		else if (Tools::getValue('preactivation'))
-			$this->processPreactivation();
+		else
+		{
+			// With no parameters, we consider that we are doing a new install, so session where the last process step
+			// was stored can be cleaned
+			$this->session->process_validated = array();
+		}
 	}
 
 	/**
@@ -94,6 +112,7 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 
 		if (!$success || $this->model_install->getErrors())
 			$this->ajaxJsonAnswer(false, $this->model_install->getErrors());
+		$this->session->process_validated['installDatabase'] = true;
 		$this->ajaxJsonAnswer(true);
 	}
 
@@ -113,6 +132,7 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		if (!$result || $this->model_install->getErrors())
 			$this->ajaxJsonAnswer(false, $this->model_install->getErrors());
 		$this->session->xml_loader_ids = $this->model_install->xml_loader_ids;
+		$this->session->process_validated['populateDatabase'] = true;
 		$this->ajaxJsonAnswer(true);
 	}
 
@@ -143,23 +163,10 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 
 		if (!$success || $this->model_install->getErrors())
 			$this->ajaxJsonAnswer(false, $this->model_install->getErrors());
+		$this->session->process_validated['configureShop'] = true;
 		$this->ajaxJsonAnswer(true);
 	}
 
-	public function initializeContext()
-	{
-		global $smarty;
-
-		Context::getContext()->shop = new Shop(1);
-		Configuration::loadConfiguration();
-		Context::getContext()->language = new Language(Configuration::get('PS_LANG_DEFAULT'));
-		Context::getContext()->country = new Country('PS_COUNTRY_DEFAULT');
-		Context::getContext()->cart = new Cart();
-
-		require_once _PS_ROOT_DIR_.'/config/smarty.config.inc.php';
-		Context::getContext()->smarty = $smarty;
-	}
-
 	/**
 	 * PROCESS : installModules
 	 * Install all modules in ~/modules/ directory
@@ -173,6 +180,7 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 
 		if (!$this->model_install->installModules() || $this->model_install->getErrors())
 			$this->ajaxJsonAnswer(false, $this->model_install->getErrors());
+		$this->session->process_validated['installModules'] = true;
 		$this->ajaxJsonAnswer(true);
 	}
 
@@ -187,6 +195,7 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		$this->model_install->xml_loader_ids = $this->session->xml_loader_ids;
 		if (!$this->model_install->installFixtures() || $this->model_install->getErrors())
 			$this->ajaxJsonAnswer(false, $this->model_install->getErrors());
+		$this->session->process_validated['installFixtures'] = true;
 		$this->ajaxJsonAnswer(true);
 	}
 
@@ -241,7 +250,8 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		$this->process_steps[] = array('key' => 'installModules', 'lang' => $this->l('Install modules'));
 		if ($this->session->install_type == 'full')
 			$this->process_steps[] = array('key' => 'installFixtures', 'lang' => $this->l('Install demonstration data'));
-		$this->process_steps[] = array('key' => 'installTheme', 'lang' => $this->l('CInstall theme'));
+		$this->process_steps[] = array('key' => 'installTheme', 'lang' => $this->l('Install theme'));
+
 		$this->displayTemplate('process');
 	}
 }

install-dev/theme/js/process.js

@@ -35,7 +35,7 @@ function process_install(step)
 		success: function(json)
 		{
 			// No error during this step
-			if (json && json.success)
+			if (json && json.success === true)
 			{
 				$('#process_step_'+step.key).show().addClass('success');
 				current_step++;