/**
* @covers Model_Purchase_Item::group_by_brand_purchase
*/
public function test_group_by_brand_purchase()
{
$items = array(Jam::build('purchase_item', array('id' => 10, 'brand_purchase_id' => 1)), Jam::build('purchase_item', array('id' => 20, 'brand_purchase_id' => 1)), Jam::build('purchase_item', array('id' => 30, 'brand_purchase_id' => 12)), array('id' => 40, 'brand_purchase_id' => 13), array('id' => 50, 'brand_purchase_id' => 13), 1, array('id' => 2));
$groups = Model_Purchase_Item::group_by_brand_purchase($items);
$this->assertEquals(array('1', '12', '13'), array_keys($groups));
$this->assertEquals(array(10, 20, 1, 2), $this->ids($groups['1']));
$this->assertEquals(array(30), $this->ids($groups['12']));
$this->assertEquals(array(40, 50), $this->ids($groups['13']));
}
/**
* Replace the purchase items from a given type, removing old items
*
* @param array $items array of new items
* @param array $types filters
* @return Model_Purchase $this
*/
public function replace_items($items, $types = NULL)
{
$grouped = Model_Purchase_Item::group_by_brand_purchase($items);
$current = $this->brand_purchases->as_array('id');
$replaced = array_intersect_key($grouped, $current);
$removed = array_diff_key($current, $grouped);
foreach ($replaced as $index => $items) {
$current[$index]->replace_items($items, $types);
}
$this->brand_purchases->remove(array_values($removed));
return $this;
}
