From 6b2c36c65dfb59061d5fa9d8bd3fc513a8d779c4 Mon Sep 17 00:00:00 2001
From: Ferdinand Kuhl <f.kuhl@digital-competence.de>
Date: Mon, 7 Apr 2014 15:25:16 +0200
Subject: [PATCH] Initial commit

---
 .gitignore                                    |  1 +
 .../Command/SequenceCommandController.php     | 34 +++++++
 .../DigiComp/Sequence/Domain/Model/Insert.php | 73 ++++++++++++++
 .../DigiComp/Sequence/Service/Exception.php   | 15 +++
 .../Sequence/Service/SequenceGenerator.php    | 96 +++++++++++++++++++
 composer.json                                 | 21 ++++
 6 files changed, 240 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Classes/DigiComp/Sequence/Command/SequenceCommandController.php
 create mode 100644 Classes/DigiComp/Sequence/Domain/Model/Insert.php
 create mode 100644 Classes/DigiComp/Sequence/Service/Exception.php
 create mode 100644 Classes/DigiComp/Sequence/Service/SequenceGenerator.php
 create mode 100644 composer.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..90ec22b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.svn
diff --git a/Classes/DigiComp/Sequence/Command/SequenceCommandController.php b/Classes/DigiComp/Sequence/Command/SequenceCommandController.php
new file mode 100644
index 0000000..dc28358
--- /dev/null
+++ b/Classes/DigiComp/Sequence/Command/SequenceCommandController.php
@@ -0,0 +1,34 @@
+<?php
+namespace DigiComp\Sequence\Command;
+
+/*                                                                        *
+ * This script belongs to the FLOW3 package "DigiComp.Sequence".          *
+ *                                                                        *
+ *                                                                        */
+
+use Doctrine\DBAL\DBALException;
+use TYPO3\Flow\Annotations as Flow;
+
+/**
+ * A SequenceNumber generator (should be DB-agnostic)
+ *
+ * @Flow\Scope("singleton")
+ */
+class SequenceCommandController extends \TYPO3\Flow\Cli\CommandController {
+
+	/**
+	 * @var \DigiComp\Sequence\Service\SequenceGenerator
+	 * @Flow\Inject
+	 */
+	protected $sequenceGenerator;
+
+	/**
+	 * Sets minimum number for sequence generator
+	 *
+	 * @param int $to
+	 * @param string $type
+	 */
+	public function advanceCommand($to, $type) {
+		$this->sequenceGenerator->advanceTo($to, $type);
+	}
+}
diff --git a/Classes/DigiComp/Sequence/Domain/Model/Insert.php b/Classes/DigiComp/Sequence/Domain/Model/Insert.php
new file mode 100644
index 0000000..7cad0b1
--- /dev/null
+++ b/Classes/DigiComp/Sequence/Domain/Model/Insert.php
@@ -0,0 +1,73 @@
+<?php
+namespace DigiComp\Sequence\Domain\Model;
+
+/*                                                                        *
+ * This script belongs to the FLOW3 package "DigiComp.Sequence".          *
+ *                                                                        *
+ *                                                                        */
+
+use TYPO3\Flow\Annotations as Flow;
+use Doctrine\ORM\Mapping as ORM;
+/**
+ * SequenceInsert
+ *
+ * @author fcool
+ * @Flow\Scope("prototype")
+ * @Flow\Entity
+ */
+class Insert {
+
+	/**
+	 * @var int
+	 * @ORM\Id
+	 * @Flow\Identity
+	 */
+	protected $number;
+
+	/**
+	 * @var string
+	 * @ORM\Id
+	 * @Flow\Identity
+	 */
+	protected $type;
+
+	/**
+	 * @param int $number
+	 * @param string $type
+	 */
+	public function __construct($number, $type) {
+		$this->setType($type);
+		$this->setNumber($number);
+	}
+
+	/**
+	 * @param int $number
+	 */
+	public function setNumber($number) {
+		$this->number = $number;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getNumber() {
+		return $this->number;
+	}
+
+	/**
+	 * @param string|object $type
+	 */
+	public function setType($type) {
+		if (is_object($type)) {
+			$type = get_class($type);
+		}
+		$this->type = $type;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getType() {
+		return $this->type;
+	}
+}
\ No newline at end of file
diff --git a/Classes/DigiComp/Sequence/Service/Exception.php b/Classes/DigiComp/Sequence/Service/Exception.php
new file mode 100644
index 0000000..ae9d6c3
--- /dev/null
+++ b/Classes/DigiComp/Sequence/Service/Exception.php
@@ -0,0 +1,15 @@
+<?php
+namespace DigiComp\Sequence\Service;
+
+/*                                                                        *
+ * This script belongs to the FLOW3 package "DigiComp.Sequence".          *
+ *                                                                        *
+ *                                                                        */
+
+use TYPO3\Flow\Annotations as Flow;
+/**
+ * SequenceException
+ */
+class Exception extends \Exception {
+
+}
diff --git a/Classes/DigiComp/Sequence/Service/SequenceGenerator.php b/Classes/DigiComp/Sequence/Service/SequenceGenerator.php
new file mode 100644
index 0000000..6a73074
--- /dev/null
+++ b/Classes/DigiComp/Sequence/Service/SequenceGenerator.php
@@ -0,0 +1,96 @@
+<?php
+namespace DigiComp\Sequence\Service;
+
+/*                                                                        *
+ * This script belongs to the FLOW3 package "DigiComp.Sequence".          *
+ *                                                                        *
+ *                                                                        */
+
+use Doctrine\DBAL\DBALException;
+use TYPO3\Flow\Annotations as Flow;
+
+/**
+ * A SequenceNumber generator (should be DB-agnostic)
+ *
+ * @Flow\Scope("singleton")
+ */
+class SequenceGenerator {
+
+	/**
+	 * @var \Doctrine\Common\Persistence\ObjectManager
+	 * @Flow\Inject
+	 */
+	protected $_em;
+
+	/**
+	 * @var \TYPO3\Flow\Reflection\ReflectionService
+	 * @Flow\Inject
+	 */
+	protected $reflectionService;
+
+	/**
+	 * @var \TYPO3\Flow\Log\SystemLoggerInterface
+	 * @Flow\Inject
+	 */
+	protected $systemLogger;
+
+	/**
+	 * @param string|object $type
+	 * @throws \DigiComp\Sequence\Service\Exception
+	 * @return int
+	 */
+	public function getNextNumberFor($type) {
+		if (is_object($type)) {
+			$type = $this->reflectionService->getClassNameByObject($type);
+		}
+		if (!$type) {
+			throw new Exception('No Type given');
+		}
+		$count = $this->getLastNumberFor($type);
+
+		//TODO: Check for maximal tries, or similar
+		do {
+			$count = $count+1;
+		} while (! $this->validateFreeNumber($count, $type));
+		return $count;
+	}
+
+	protected function validateFreeNumber($count, $type) {
+		$em = $this->_em;
+		/** @var $em \Doctrine\ORM\EntityManager */
+		try {
+			$em->getConnection()->insert('digicomp_sequence_domain_model_insert', array('number' => $count, 'type' => $type));
+			return true;
+		} catch (\PDOException $e) {
+			return false;
+		} catch (DBALException $e) {
+			if ($e->getPrevious() && $e->getPrevious() instanceof \PDOException) {
+				// Do nothing, new Doctrine handling hides the above error
+			} else {
+				$this->systemLogger->logException($e);
+			}
+		} catch (\Exception $e) {
+			$this->systemLogger->logException($e);
+		}
+		return false;
+	}
+
+	public function advanceTo($to, $type) {
+		return ($this->validateFreeNumber($to, $type));
+	}
+
+	/**
+	 * @param $type
+	 * @return int
+	 */
+	public function getLastNumberFor($type) {
+		/** @var $em \Doctrine\ORM\EntityManager */
+		$em = $this->_em;
+
+		$result = $em->getConnection()->executeQuery('SELECT MAX(number) AS count FROM digicomp_sequence_domain_model_insert WHERE type=:type', array('type' => $type));
+		$count = $result->fetchAll();
+		$count = $count[0]['count'];
+		return $count;
+	}
+
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..0943c86
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,21 @@
+{
+	"name":"digicomp/sequence",
+	"type":"typo3-flow-package",
+	"description":"",
+	"require":{
+        "typo3/flow":"~2.0"
+	},
+	"require-dev":{
+		"phpunit/phpunit": "3.7.*"
+	},
+	"autoload":{
+		"psr-0":{
+			"DigiComp\\Sequence":"Classes"
+		}
+	},
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
+}
\ No newline at end of file