add inventory

frontend/models/ProductInventorySearch.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace frontend\models;
+
+use Yii;
+use yii\base\Model;
+use yii\data\ActiveDataProvider;
+use common\models\Product;
+use common\components\ProductInventory;
+
+/**
+ * ProductSearch represents the model behind the search form about `common\models\Product`.
+ */
+class ProductInventorySearch extends Product
+{
+	public $output = '';
+	public $account = null;
+	
+    /**
+     * @inheritdoc
+     */
+    public function rules()
+    {
+        return [
+            [[ 'output'], 'safe'],
+        ];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function scenarios()
+    {
+        // bypass scenarios() implementation in the parent class
+        return Model::scenarios();
+    }
+
+    /**
+     * Creates data provider instance with search query applied
+     *
+     * @param array $params
+     *
+     * @return ActiveDataProvider
+     */
+    public function search($params)
+    {
+       
+    	 $this->load($params);
+
+         $this->validate() ;
+		
+		$inventory = new ProductInventory([
+			'account' => $this->account
+		]);
+		if ( $this->output == 'xls'){
+			$inventory->pagination = false;
+		}
+		
+		$inventory->createDataProvider();
+		$dp = $inventory->dataProvider;
+
+        return $dp;
+    }
+}