add inventory item changes

common/models/InventoryItem.php

@@ -2,10 +2,12 @@
 
 namespace common\models;
 
-use Yii;
+use /** @noinspection PhpMethodOrClassCallIsNotCaseSensitiveInspection */
+	Yii;
+use yii\db\Expression;
+use yii\db\Query;
 use yii\helpers\ArrayHelper;
 use common\components\UserAwareBehavior;
-use common\components\Helper;
 use common\components\ProductAwareBehavior;
 
 /**
@@ -28,6 +30,7 @@ use common\components\ProductAwareBehavior;
  * @property string $created_at
  * @property string $updated_at
  * @property mixed productName
+ * @property mixed product
  */
 class InventoryItem extends BaseFitnessActiveRecord
 {
@@ -36,7 +39,8 @@ class InventoryItem extends BaseFitnessActiveRecord
     public static $TYPE_INVENTORY_GROUP = 20;
     
     
-    public static $UPDATE_COUNT = "
+    public static /** @noinspection SqlResolve */
+		$UPDATE_COUNT = "
     		UPDATE product as p1
 			inner JOIN (  select  inventory_item.id_product as id_product  , inventory_item.count as count
  			from inventory_item 
@@ -113,7 +117,11 @@ class InventoryItem extends BaseFitnessActiveRecord
     public function getInventoryGroup(){
     	return $this->hasOne( Product::className() , [ 'id_inventory_group' => 'id_inventory_group' ]);
     }
-    
+
+	public function getInventoryItemPrev(){
+		return $this->hasOne( InventoryItem::className(),['id_inventory_item' => 'id_inventory_item_prev'] );
+	}
+
     public function getProductName(){
     	$result = "";
     	
@@ -136,10 +144,12 @@ class InventoryItem extends BaseFitnessActiveRecord
     	
     	return $result;
     }
-    
-    public function getName(){
-    	$name = "";
-    
+
+	/**
+	 * @return string
+     */
+	public function getName(){
+
     	if ( isset($this->id_product )){
     		$name = $this->getProductName();
     	}else{
@@ -170,7 +180,54 @@ class InventoryItem extends BaseFitnessActiveRecord
     	 
     	$this->total_price_brutto = $price * $diff;
     }
-    
+
+
+
+
+
+	public static function findNextItemAlphabetical($id_inventory_item){
+
+        $inventoryItem = InventoryItem::findOne($id_inventory_item);
+        $id_inventory = $inventoryItem->id_inventory;
+		$currentItemId = $id_inventory_item;
+
+		$query = new Query();
+		$query->select([
+			'inventory_item.id_inventory_item as inventory_item_id_inventory',
+			new Expression(
+				"case when inventory_item.type = " .InventoryItem::$TYPE_PRODUCT . " then product.name else inventory_group.name end as name"
+			)
+		]);
+
+		$query->from('inventory_item');
+		$query->leftJoin("product", 'product.id_product = inventory_item.id_product and inventory_item.type =' .InventoryItem::$TYPE_PRODUCT);
+		$query->leftJoin("inventory_group", 'inventory_group.id_inventory_group = inventory_item.id_product and inventory_item.type =' .InventoryItem::$TYPE_INVENTORY_GROUP);
+		$query->andWhere(['id_inventory' => $id_inventory]);
+		$query->orderBy("name");
+		$result = $query->all();
+
+		$currentItemIndex = null;
+		$size = count($result);
+		for ( $i = 0; $i < $size; $i++ ){
+			$item = $result[$i];
+            $id = $item['inventory_item_id_inventory'];
+			if ( $id == $currentItemId ){
+				$currentItemIndex = $i;
+				break;
+			}
+		}
+
+		if ( isset( $currentItemIndex ) ){
+			$next = ($currentItemIndex +1 );
+			if ($size > $next){
+				return  $result[$next]['inventory_item_id_inventory'];
+			}
+		}
+
+        return null;
+	}
+
+
     public function afterSave($insert, $changedAttributes){
     	if ( !$insert ){
 //     		if ( $this->type == 'product'){