When creating a feed or folder the it should purge the deleted

Edit
fix #176

businesslayer/feedbusinesslayer.php

@@ -261,9 +261,21 @@ class FeedBusinessLayer extends BusinessLayer {
 	}
 
 
-	public function purgeDeleted($userId=null) {
-		$now = $this->timeFactory->getTime();
-		$deleteOlderThan = $now - $this->autoPurgeMinimumInterval;
+	/**
+	 * Deletes all deleted feeds
+	 * @param string $userId if given it purges only feeds of that user
+	 * @param boolean $useInterval defaults to true, if true it only purges
+	 * entries in a given interval to give the user a chance to undo the 
+	 * deletion
+	 */
+	public function purgeDeleted($userId=null, $useInterval=true) {
+		$deleteOlderThan = null;
+
+		if ($useInterval) {
+			$now = $this->timeFactory->getTime();
+			$deleteOlderThan = $now - $this->autoPurgeMinimumInterval;
+		}
+
 		$toDelete = $this->mapper->getToDelete($deleteOlderThan, $userId);	
 
 		foreach ($toDelete as $feed) {

businesslayer/folderbusinesslayer.php

@@ -123,11 +123,20 @@ class FolderBusinessLayer extends BusinessLayer {
 
 
 	/**
-	 * Purges marked as deleted folders
+	 * Deletes all deleted folders
+	 * @param string $userId if given it purges only folders of that user
+	 * @param boolean $useInterval defaults to true, if true it only purges
+	 * entries in a given interval to give the user a chance to undo the 
+	 * deletion
 	 */
-	public function purgeDeleted($userId=null) {
-		$now = $this->timeFactory->getTime();
-		$deleteOlderThan = $now - $this->autoPurgeMinimumInterval;
+	public function purgeDeleted($userId=null, $useInterval=true) {
+		$deleteOlderThan = null;
+		
+		if ($useInterval) {
+			$now = $this->timeFactory->getTime();
+			$deleteOlderThan = $now - $this->autoPurgeMinimumInterval;
+		}
+
 		$toDelete = $this->mapper->getToDelete($deleteOlderThan, $userId);	
 
 		foreach ($toDelete as $folder) {

controller/feedcontroller.php

@@ -135,7 +135,7 @@ class FeedController extends Controller {
 		try {
 			// we need to purge deleted feeds if a feed is created to 
 			// prevent already exists exceptions
-			$this->feedBusinessLayer->purgeDeleted($userId);
+			$this->feedBusinessLayer->purgeDeleted($userId, false);
 
 			$feed = $this->feedBusinessLayer->create($url, $parentFolderId, $userId);
 			$params = array(

controller/foldercontroller.php

@@ -116,7 +116,7 @@ class FolderController extends Controller {
 		try {
 			// we need to purge deleted folders if a folder is created to 
 			// prevent already exists exceptions
-			$this->folderBusinessLayer->purgeDeleted($userId);
+			$this->folderBusinessLayer->purgeDeleted($userId, false);
 
 			$folder = $this->folderBusinessLayer->create($folderName, $userId);
 

db/feedmapper.php

@@ -147,15 +147,26 @@ class FeedMapper extends Mapper implements IMapper {
 	}
 
 
-	public function getToDelete($deleteOlderThan, $userId=null) {
+	/**
+	 * @param int $deleteOlderThan if given gets all entries with a delete date
+	 * older than that timestamp
+	 * @param string $userId if given returns only entries from the given user
+	 * @return array with the database rows
+	 */
+	public function getToDelete($deleteOlderThan=null, $userId=null) {
 		$sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
-			'WHERE `deleted_at` > 0 ' .
-			'AND `deleted_at` < ?';
-		$params = array($deleteOlderThan);
+			'WHERE `deleted_at` > 0 ';
+		$params = array();
+
+		// sometimes we want to delete all entries
+		if ($deleteOlderThan !== null) {
+			$sql .= 'AND `deleted_at` < ? ';
+			array_push($params, $deleteOlderThan);
+		}
 
 		// we need to sometimes only delete feeds of a user
 		if($userId !== null) {
-			$sql .= ' AND `user_id` = ?';
+			$sql .= 'AND `user_id` = ?';
 			array_push($params, $userId);
 		}
 

db/foldermapper.php

@@ -97,15 +97,26 @@ class FolderMapper extends Mapper implements IMapper {
 	}
 
 
-	public function getToDelete($deleteOlderThan, $userId=null) {
+	/**
+	 * @param int $deleteOlderThan if given gets all entries with a delete date
+	 * older than that timestamp
+	 * @param string $userId if given returns only entries from the given user
+	 * @return array with the database rows
+	 */
+	public function getToDelete($deleteOlderThan=null, $userId=null) {
 		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
-			'WHERE `deleted_at` > 0 ' .
-			'AND `deleted_at` < ?';
-		$params = array($deleteOlderThan);
+			'WHERE `deleted_at` > 0 ';
+		$params = array();
+
+		// sometimes we want to delete all entries
+		if ($deleteOlderThan !== null) {
+			$sql .= 'AND `deleted_at` < ? ';
+			array_push($params, $deleteOlderThan);
+		}
 
 		// we need to sometimes only delete feeds of a user
 		if($userId !== null) {
-			$sql .= ' AND `user_id` = ?';
+			$sql .= 'AND `user_id` = ?';
 			array_push($params, $userId);
 		}
 		

external/feedapi.php

@@ -82,7 +82,7 @@ class FeedAPI extends Controller {
 		$folderId = (int) $this->params('folderId', 0);
 
 		try {
-			$this->feedBusinessLayer->purgeDeleted($userId);
+			$this->feedBusinessLayer->purgeDeleted($userId, false);
 			
 			$feed = $this->feedBusinessLayer->create($feedUrl, $folderId, $userId);
 			$result = array(

external/folderapi.php

@@ -72,7 +72,7 @@ class FolderAPI extends Controller {
 		);
 
 		try {
-			$this->folderBusinessLayer->purgeDeleted($userId);
+			$this->folderBusinessLayer->purgeDeleted($userId, false);
 			$folder = $this->folderBusinessLayer->create($folderName, $userId);
 			array_push($result['folders'], $folder->toAPI());
 

tests/unit/businesslayer/FeedBusinessLayerTest.php

@@ -740,4 +740,24 @@ class FeedBusinessLayerTest extends \OCA\AppFramework\Utility\TestUtility {
 	}
 
 
+	public function testPurgeDeletedWithoutInterval(){
+		$feed1 = new Feed();
+		$feed1->setId(3);
+		$feed2 = new Feed();
+		$feed2->setId(5);
+		$feeds = array($feed1, $feed2);
+
+		$this->feedMapper->expects($this->once())
+			->method('getToDelete')
+			->with($this->equalTo(null), $this->equalTo($this->user))
+			->will($this->returnValue($feeds));
+		$this->feedMapper->expects($this->at(1))
+			->method('delete')
+			->with($this->equalTo($feed1));
+		$this->feedMapper->expects($this->at(2))
+			->method('delete')
+			->with($this->equalTo($feed2));
+
+		$this->feedBusinessLayer->purgeDeleted($this->user, false);
+	}
 }

tests/unit/businesslayer/FolderBusinessLayerTest.php

@@ -232,4 +232,25 @@ class FolderBusinessLayerTest extends \OCA\AppFramework\Utility\TestUtility {
 		$this->folderBusinessLayer->purgeDeleted($this->user);
 	}
 
+
+	public function testPurgeDeletedNoInterval(){
+		$folder1 = new Folder();
+		$folder1->setId(3);
+		$folder2 = new Folder();
+		$folder2->setId(5);
+		$feeds = array($folder1, $folder2);
+
+		$this->folderMapper->expects($this->once())
+			->method('getToDelete')
+			->with($this->equalTo(null), $this->equalTo($this->user))
+			->will($this->returnValue($feeds));
+		$this->folderMapper->expects($this->at(1))
+			->method('delete')
+			->with($this->equalTo($folder1));
+		$this->folderMapper->expects($this->at(2))
+			->method('delete')
+			->with($this->equalTo($folder2));
+
+		$this->folderBusinessLayer->purgeDeleted($this->user, false);
+	}
 }

tests/unit/controller/FeedControllerTest.php

@@ -318,7 +318,7 @@ class FeedControllerTest extends ControllerTestUtility {
 			->will($this->returnValue($result['newestItemId']));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('create')
 			->with($this->equalTo($post['url']),
@@ -349,7 +349,7 @@ class FeedControllerTest extends ControllerTestUtility {
 			->will($this->returnValue($this->user));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 
 		$this->itemBusinessLayer->expects($this->once())
 			->method('getNewestItemId')
@@ -377,7 +377,7 @@ class FeedControllerTest extends ControllerTestUtility {
 			->will($this->returnValue($this->user));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('create')
 			->will($this->throwException($ex));

tests/unit/controller/FolderControllerTest.php

@@ -240,7 +240,7 @@ class FolderControllerTest extends ControllerTestUtility {
 			->will($this->returnValue($this->user));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('create')
 			->with($this->equalTo($post['folderName']), 
@@ -262,7 +262,7 @@ class FolderControllerTest extends ControllerTestUtility {
 			->will($this->returnValue($this->user));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('create')
 			->will($this->throwException($ex));

tests/unit/db/FeedMapperTest.php

@@ -289,7 +289,7 @@ class FeedMapperTest extends \OCA\AppFramework\Utility\MapperTestUtility {
 		$deleteOlderThan = 110;
 		$sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
 			'WHERE `deleted_at` > 0 ' .
-			'AND `deleted_at` < ?';
+			'AND `deleted_at` < ? ';
 		$this->setMapperResult($sql, array($deleteOlderThan), $rows);
 		$result = $this->mapper->getToDelete($deleteOlderThan);
 
@@ -314,4 +314,18 @@ class FeedMapperTest extends \OCA\AppFramework\Utility\MapperTestUtility {
 	}
 
 	
+	public function testGetAllPurgeDeletedFromUser(){
+		$rows = array(
+			array('id' => $this->feeds[0]->getId()),
+			array('id' => $this->feeds[1]->getId())
+		);
+		$deleteOlderThan = 110;
+		$sql = 'SELECT * FROM `*PREFIX*news_feeds` ' .
+			'WHERE `deleted_at` > 0 ' .
+			'AND `user_id` = ?';
+		$this->setMapperResult($sql, array($this->user), $rows);
+		$result = $this->mapper->getToDelete(null, $this->user);
+
+		$this->assertEquals($this->feeds, $result);
+	}	
 }

tests/unit/db/FolderMapperTest.php

@@ -187,7 +187,7 @@ class FolderMapperTest extends \OCA\AppFramework\Utility\MapperTestUtility {
 		$deleteOlderThan = 110;
 		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
 			'WHERE `deleted_at` > 0 ' .
-			'AND `deleted_at` < ?';
+			'AND `deleted_at` < ? ';
 		$this->setMapperResult($sql, array($deleteOlderThan), $rows);
 		$result = $this->folderMapper->getToDelete($deleteOlderThan);
 
@@ -213,4 +213,19 @@ class FolderMapperTest extends \OCA\AppFramework\Utility\MapperTestUtility {
 	}
 
 
+	public function testGetAllPurgeDeletedUser(){
+		$rows = array(
+			array('id' => $this->folders[0]->getId()),
+			array('id' => $this->folders[1]->getId())
+		);
+		$deleteOlderThan = 110;
+		$sql = 'SELECT * FROM `*PREFIX*news_folders` ' .
+			'WHERE `deleted_at` > 0 ' .
+			'AND `user_id` = ?';
+		$this->setMapperResult($sql, array($this->user), $rows);
+		$result = $this->folderMapper->getToDelete(null, $this->user);
+
+		$this->assertEquals($this->folders, $result);
+	}
+
 }

tests/unit/external/FeedAPITest.php

@@ -211,7 +211,7 @@ class FeedAPITest extends \PHPUnit_Framework_TestCase {
 
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('create')
 			->with(
@@ -253,7 +253,7 @@ class FeedAPITest extends \PHPUnit_Framework_TestCase {
 
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('create')
 			->with(
@@ -280,7 +280,7 @@ class FeedAPITest extends \PHPUnit_Framework_TestCase {
 	public function testCreateExists() {
 		$this->feedBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->feedBusinessLayer->expects($this->once())
 			->method('create')
 			->will($this->throwException(new BusinessLayerExistsException($this->msg)));

tests/unit/external/FolderAPITest.php

@@ -114,7 +114,7 @@ class FolderAPITest extends \PHPUnit_Framework_TestCase {
 
 		$this->folderBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('create')
 			->with($this->equalTo($folderName), $this->equalTo($this->user))
@@ -132,7 +132,7 @@ class FolderAPITest extends \PHPUnit_Framework_TestCase {
 		$msg = 'exists';
 		$this->folderBusinessLayer->expects($this->once())
 			->method('purgeDeleted')
-			->with($this->equalTo($this->user));
+			->with($this->equalTo($this->user), $this->equalTo(false));
 		$this->folderBusinessLayer->expects($this->once())
 			->method('create')
 			->will($this->throwException(new BusinessLayerExistsException($msg)));