add asset service files

module/schools/src/Service/AssetService.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\Service;
+
+use RedBeanPHP\R;
+
+class AssetService implements AssetServiceInterface
+{
+    protected $schoolService;
+    protected $labService;
+
+    public function __construct(
+        SchoolServiceInterface $schoolservice, 
+        LabService $labservice
+    ) {
+        $this->schoolservice = $schoolservice;
+        $this->labservice = $labservice;
+    }
+
+    public function createItemCategory($name){
+        $item_category = R::dispense('itemcategory');
+        $item_category->name = $name;
+        $id = R::store($item_category);
+        return $id;
+    }
+    public function getAllItemCategories(){
+        $categories = R::findAll('itemcategory');
+        return $categories;
+    }
+    public function getItemCategoryByName($name){
+        $cat = R::findOne('itemcategory', 'name = ?', [$name]);
+        return $cat;
+    }
+    public function getItemCategoryById($id){
+        $cat = R::load('itemcategory', $id);
+        return $cat;
+    }
+    //Software Category Actions
+    public function createSoftwareCategory(array $data){
+        $soft_category = R::dispense('softwarecategory');
+        $soft_category->name = $data['name'];
+        $soft_category->manufacturer = $data['manufacturer'];
+        $soft_category->website = $data['website'];
+        $id = R::store($soft_category);
+        return $id;
+    }
+    public function getAllSoftwareCategories(){
+        $categories = R::findAll('softwarecategory');
+        return $categories;
+    }
+    public function getSoftwareCategoryByName($name){
+        $cat = R::findOne('softwarecategory', 'name = ?', [$name]);
+        return $cat;
+    }
+    public function getSoftwareCategoryById($id){
+        $cat = R::load('softwarecategory', $id);
+        return $cat;
+    }
+    //Existing Item Actions
+    public function createExistingItem(array $data){
+        required = ['location', 'category', 'description', 'qty', 'lab', 'purchasedate' ];
+        $item = R::dispense('existingitem');
+        foreach ($required as $value){
+            if (array_key_exists($value, $data))
+            {
+                $item[$value] = data[$value];
+            }
+            else
+            {
+                return -1;
+            }
+            if (array_key_exists('comments', $data))
+            {
+                $item['comments'] = $data['comments'];
+            }
+            else
+            {
+                $item['comments'] = '';
+            }
+            R::store($item);
+        }
+    }
+}

module/schools/src/Service/AssetServiceInterface.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\Service;
+
+interface AssetServiceInterface
+{
+    public function createItemCategory($name);
+    public function getAllItemCategories();
+    public function getItemCategoryByName($name);
+    public function getItemCategoryById($id);
+    public function createSoftwareCategory(array $data);
+    public function getAllSoftwareCategories();
+    public function getSoftwareCategoryByName($name);
+    public function getSoftwareCategoryById($id);
+    public function createExistingItem(array $data);
+}