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<?php |
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/** |
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* Class DMSDocumentCartExtension |
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* |
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* @property Boolean AllowedInCart |
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* @property Int PrintRequestCount |
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* |
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* @property DMSDocument owner |
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*/ |
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class DMSDocumentCartExtension extends DataExtension |
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{ |
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/** |
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* @var DMSDocumentCartController |
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*/ |
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private $cartController; |
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private static $db = array( |
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'AllowedInCart' => 'Boolean', |
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// Running total of print requests on this document |
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'PrintRequestCount' => 'Int', |
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); |
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/** |
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* Returns if a Document is permitted to reflect in a cart |
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* |
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* @return boolean |
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*/ |
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public function isAllowedInCart() |
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{ |
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return $this->owner->AllowedInCart; |
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} |
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public function updateCMSFields(FieldList $fields) |
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{ |
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$fields->insertBefore( |
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'Description', |
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CheckboxField::create( |
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'AllowedInCart', |
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_t('DMSDocumentCart.ALLOWED_IN_CART', 'Allowed in document cart') |
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) |
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); |
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} |
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/** |
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* Increments the number of times a document was printed |
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* |
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* @return DMSDocument |
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*/ |
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public function incrementPrintRequest() |
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{ |
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$this->owner->PrintRequestCount++; |
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$this->owner->write(); |
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return $this->owner; |
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} |
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/** |
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* Checks if a given document already exists within the Cart. True if it does, false otherwise |
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* |
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* @return bool |
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*/ |
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public function isInCart() |
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{ |
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return (bool) $this->getCart()->isInCart($this->owner->ID); |
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} |
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/** |
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* Builds and returns a valid DMSDocumentController URL from the given $action link |
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* |
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* @param string $action Can be either 'add', 'remove' or 'checkout |
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* |
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* @return string |
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* |
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* @throws InvalidArgumentException if the provided $action is not allowed. |
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*/ |
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public function getActionLink($action = 'add') |
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{ |
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$action = strtolower($action); |
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$allowedActions = array_merge($this->getCartController()->allowedActions(), array('checkout')); |
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if (!in_array($action, $allowedActions)) { |
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throw new InvalidArgumentException("{$action} is not accepted for this method."); |
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} |
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if ($action !== 'checkout') { |
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$result = Controller::join_links('documentcart', $action, $this->owner->ID); |
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} else { |
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$result = SiteTree::get_one('DMSDocumentCartCheckoutPage')->Link(); |
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} |
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return $result; |
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} |
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/** |
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* Retrieves a DMSDocumentCartController handle |
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* |
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* @return DMSDocumentCartController |
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*/ |
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public function getCartController() |
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{ |
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if (!$this->cartController) { |
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$this->cartController = DMSDocumentCartController::create(); |
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} |
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return $this->cartController; |
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} |
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/** |
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* Retrieves a DMSDocumentCart handle |
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* |
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* @return DMSDocumentCart |
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*/ |
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public function getCart() |
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{ |
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return $this->getCartController()->getCart(); |
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} |
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} |
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silverstripe /
silverstripe-dms-cart
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You can fix this by adding a namespace to your class:
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