add software filtering

bootstrap needs update

module/schools/src/InputFilter/Software.php

+<?php
+/**
+ * gredu_labs
+ * 
+ * @link https://github.com/eellak/gredu_labs for the canonical source repository
+ * @copyright Copyright (c) 2008-2015 Greek Free/Open Source Software Society (https://gfoss.ellak.gr/)
+ * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
+ */
+
+namespace GrEduLabs\Schools\InputFilter;
+
+use Zend\Filter;
+use Zend\InputFilter\Input;
+use Zend\InputFilter\InputFilter;
+use Zend\Validator;
+
+class Software
+{
+    use InputFilterTrait;
+
+    public function __construct()
+    {
+        $id = new Input('id');
+        $id->setRequired(false)
+            ->getValidatorChain()
+            ->attach(new Validator\Digits());
+
+        $softwarecategory_id = new Input('softwarecategory_id');
+        $softwarecategory_id->setRequired(true)
+            ->getValidatorChain()
+            ->attach(new Validator\Digits());
+
+        $title = new Input('title');
+        $title->setRequired(true)
+            ->getFilterChain()
+            ->attach(new Filter\StringTrim());
+        $title->getValidatorChain()
+            ->attach(new Validator\NotEmpty())
+            ->attach(new Validator\StringLength(['min' => 3]));
+
+        $school_id = new Input('school_id');
+        $school_id->setRequired(true)
+            ->getValidatorChain()
+            ->attach(new Validator\Digits());
+        
+        $lab_id = new Input('lab_id');
+        $lab_id->setRequired(false)
+            ->getValidatorChain()
+            ->attach(new Validator\Digits());
+
+
+        $vendor = new Input('vendor');
+        $vendor->setRequired(false)
+            ->getFilterChain()
+            ->attach(new Filter\StringTrim());
+
+
+        $url = new Input('url');
+        $url->setRequired(false)
+            ->getValidatorChain()
+            ->attach(new Validator\Hostname());
+
+        $this->inputFilter = new InputFilter();
+        $this->inputFilter
+            ->add($id)
+            ->add($softwarecategory_id)
+            ->add($school_id)
+            ->add($lab_id)
+            ->add($title)
+            ->add($vendor)
+            ->add($url);
+    }
+}

module/schools/src/Middleware/InputFilterSoftware.php

+<?php
+/**
+ * gredu_labs.
+ *
+ * @link https://github.com/eellak/gredu_labs for the canonical source repository
+ *
+ * @copyright Copyright (c) 2008-2015 Greek Free/Open Source Software Society (https://gfoss.ellak.gr/)
+ * @license GNU GPLv3 http://www.gnu.org/licenses/gpl-3.0-standalone.html
+ */
+
+namespace GrEduLabs\Schools\Middleware;
+
+class InputFilterSoftware
+{
+    use InputFilterTrait;
+
+    public function __construct(callable $inputFilter)
+    {
+        $this->inputFilter = $inputFilter;
+    }
+}