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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Dynamic\Products\Extension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Dynamic\Products\Page\Product;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Dynamic\Products\Page\ProductCategory;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\Forms\DropdownField;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\ORM\ArrayList;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SilverStripe\ORM\DataExtension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class ProductFileCollectionDataExtension extends DataExtension  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $object  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function updateCollectionObject(&$object)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if ($class = $this->owner->data()->ManagedClass) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $object = singleton((string) $class);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $form  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function updateCollectionForm(&$form)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fields = $form->Fields();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fields->insertAfter(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            DropdownField::create('CategoryID', 'Category', ProductCategory::get()->map()) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->setEmptyString('All categories'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'Title'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fields->insertAfter(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            DropdownField::create('Products__ID', 'Product', Product::get()->map()) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->setEmptyString('All products'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'CategoryID'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fields->removeByName([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'Title',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $collection  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $searchCriteria  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function updateCollectionItems(&$collection, &$searchCriteria)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $class = $this->owner->data()->ManagedClass;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($searchCriteria['CategoryID']) && $searchCriteria['CategoryID'] != '') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $category = ProductCategory::get()->byID($searchCriteria['CategoryID']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $products = $category->Products();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $docs = new ArrayList();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            foreach ($products as $product) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $records = $class::get()->filter(['Products.ID' => $product->ID]);  | 
            
                            
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                                foreach ($records as $record) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $docs->push($record);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $collection = $docs;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.