Merge remote-tracking branch 'origin/1.1'

# Conflicts:
#	.travis.yml
#	code/extensions/MultiFormObjectDecorator.php
#	code/model/MultiForm.php
#	composer.json
#	tests/MultiFormTest.php

code/extensions/MultiFormObjectDecorator.php

@@ -24,15 +24,26 @@ class MultiFormObjectDecorator extends DataExtension {
 		'MultiFormSession' => 'MultiFormSession',
 	);
 
+	/**
+	 * Augment any queries to MultiFormObjectDecorator and only
+	 * return anything that isn't considered temporary.
+	 */
 	public function augmentSQL(SQLQuery &$query) {
-		// If you're querying by ID, ignore the sub-site - this is a bit ugly...
+		$where = $query->getWhere();
+		if(!$where && !$this->wantsTemporary($query)) {
+			$from = array_values($query->getFrom());
+			$query->addWhere("{$from[0]}.MultiFormIsTemporary = 0");
+			return;
+		}
+
 		if(
-			strpos($query->where[0], ".`ID` = ") === false
-			&& strpos($query->where[0], ".ID = ") === false
-			&& strpos($query->where[0], "ID = ") !== 0
+			strpos($where[0], ".`ID` = ") === false 
+			&& strpos($where[0], ".ID = ") === false 
+			&& strpos($where[0], "ID = ") !== 0
 			&& !$this->wantsTemporary($query)
 		) {
-			$query->where[] = "\"{$query->from[0]}\".\"MultiFormIsTemporary\" = 0";
+			$from = array_values($query->getFrom());
+			$query->addWhere("{$from[0]}.MultiFormIsTemporary = 0");
 		}
 	}
 
@@ -45,8 +56,10 @@ class MultiFormObjectDecorator extends DataExtension {
 	 * @return boolean
 	 */
 	protected function wantsTemporary($query) {
-		foreach($query->where as $whereClause) {
-			if($whereClause == "\"{$query->from[0]}\".\"MultiFormIsTemporary\" = 1") {
+		foreach($query->getWhere() as $whereClause) {
+			$from = array_values($query->getFrom());
+			// SQLQuery will automatically add double quotes and single quotes to values, so check against that.
+			if($whereClause == "{$from[0]}.\"MultiFormIsTemporary\" = '1'") {
 				return true;
 			}
 		}

code/model/MultiForm.php

@@ -50,6 +50,10 @@ abstract class MultiForm extends Form {
 		'CompletedPercent' => 'Float'
 	);
 
+	/**
+	 * @var string
+	 */
+	private static $get_var = 'MultiFormSessionID';
 	/**
 	 * These fields are ignored when saving the raw form data into session.
 	 * This ensures only field data is saved, and nothing else that's useless
@@ -60,7 +64,6 @@ abstract class MultiForm extends Form {
 	public static $ignored_fields = array(
 		'url',
 		'executeForm',
-		'MultiFormSessionID',
 		'SecurityID'
 	);
 
@@ -146,8 +149,10 @@ abstract class MultiForm extends Form {
 		// Give the fields, actions, and validation for the current step back to the parent Form class
 		parent::__construct($controller, $name, $fields, $actions, $validator);
 
+		$getVar = $this->config()->get_var;
+
 		// Set a hidden field in our form with an encrypted hash to identify this session.
-		$this->fields->push(new HiddenField('MultiFormSessionID', false, $this->session->Hash));
+		$this->fields->push(new HiddenField($getVar, false, $this->session->Hash));
 
 		// If there is saved data for the current step, we load it into the form it here
 		//(CAUTION: loadData() MUST unserialize first!)
@@ -157,6 +162,8 @@ abstract class MultiForm extends Form {
 
 		// Disable security token - we tie a form to a session ID instead
 		$this->disableSecurityToken();
+
+		self::$ignored_fields[] = $getVar;
 	}
 
 	/**
@@ -277,7 +284,7 @@ abstract class MultiForm extends Form {
 	 */
 	public function getCurrentSession() {
 		if(!$this->currentSessionHash) {
-			$this->currentSessionHash = $this->controller->request->getVar('MultiFormSessionID');
+			$this->currentSessionHash = $this->controller->request->getVar($this->config()->get_var);
 
 			if(!$this->currentSessionHash) {
 				return false;
@@ -360,11 +367,13 @@ abstract class MultiForm extends Form {
 		if($step->getPreviousStep() && $step->canGoBack()) {
 			// If there is a next step, insert the action before the next action
 			if($step->getNextStep()) {
-				$actions->insertBefore(new FormAction('prev', $step->getPrevText()), 'action_next');
+				$actions->insertBefore($prev = new FormAction('prev', $step->getPrevText()), 'action_next');
 			// Assume that this is the last step, insert the action before the finish action
 			} else {
-				$actions->insertBefore(new FormAction('prev', $step->getPrevText()), 'action_finish');
+				$actions->insertBefore($prev = new FormAction('prev', $step->getPrevText()), 'action_finish');
 			}
+			//remove browser validation from prev action
+			$prev->setAttribute("formnovalidate", "formnovalidate");
 		}
 
 		// Merge any extra action fields defined on the step
@@ -536,7 +545,7 @@ abstract class MultiForm extends Form {
 	public function FormAction() {
 		$action = parent::FormAction();
 		$action .= (strpos($action, '?')) ? '&' : '?';
-		$action .= "MultiFormSessionID={$this->session->Hash}";
+		$action .= "{$this->config()->get_var}={$this->session->Hash}";
 
 		return $action;
 	}

code/model/MultiFormStep.php

@@ -133,7 +133,8 @@ class MultiFormStep extends DataObject {
 	 * @return string Relative URL to this step
 	 */
 	public function Link() {
-		return Controller::join_links($this->form->getDisplayLink(), "?MultiFormSessionID={$this->Session()->Hash}");
+		$form = $this->form;
+		return Controller::join_links($form->getDisplayLink(), "?{$form->config()->get_var}={$this->Session()->Hash}");
 	}
 
 	/**

tests/MultiFormObjectDecoratorTest.php

@@ -0,0 +1,44 @@
+<?php
+class MultiFormObjectDecoratorTest extends SapphireTest {
+
+	protected static $fixture_file = 'MultiFormObjectDecoratorTest.yml';
+
+	protected $requiredExtensions = array(
+		'MultiFormObjectDecorator_DataObject' => array('MultiFormObjectDecorator')
+	);
+
+	protected $extraDataObjects = array(
+		'MultiFormObjectDecorator_DataObject'
+	);
+
+	public function testTemporaryDataFilteredQuery() {
+		$records = MultiFormObjectDecorator_DataObject::get()
+			->map('Name')
+			->toArray();
+
+		$this->assertContains('Test 1', $records);
+		$this->assertContains('Test 2', $records);
+		$this->assertNotContains('Test 3', $records);
+
+	}
+
+	public function testTemporaryDataQuery() {
+		$records = MultiFormObjectDecorator_DataObject::get()
+			->filter(array('MultiFormIsTemporary' => 1))
+			->map('Name')
+			->toArray();
+
+		$this->assertNotContains('Test 1', $records);
+		$this->assertNotContains('Test 2', $records);
+		$this->assertContains('Test 3', $records);
+	}
+
+}
+
+class MultiFormObjectDecorator_DataObject extends DataObject {
+
+	private static $db = array(
+		'Name' => 'Varchar'
+	);
+
+}

tests/MultiFormObjectDecoratorTest.yml

@@ -0,0 +1,10 @@
+MultiFormObjectDecorator_DataObject:
+  test-data-1:
+    Name: Test 1
+    MultiFormIsTemporary: 0
+  test-data-2:
+    Name: Test 2
+    MultiFormIsTemporary: 0
+  test-data-3:
+    Name: Test 3
+    MultiFormIsTemporary: 1

tests/MultiFormTest.php

@@ -79,6 +79,20 @@ class MultiFormTest extends FunctionalTest {
 		$this->assertInstanceOf('MultiFormSession', $this->form->session);
 	}
 
+	function testCustomGetVar() {
+		Config::nest();
+		Config::inst()->update('MultiForm', 'get_var', 'SuperSessionID');
+
+		$form = $this->controller->Form();
+		$this->assertContains('SuperSessionID', $form::$ignored_fields, "GET var wasn't added to ignored fields");
+		$this->assertContains('SuperSessionID', $form->FormAction(), "Form action doesn't contain correct session 
+			ID parameter");
+		$this->assertContains('SuperSessionID', $form->getCurrentStep()->Link(), "Form step doesn't contain correct 
+			session ID parameter");
+
+		Config::unnest();
+}
+	
 }
 
 /**