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<?php |
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/** |
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* @author Nicolaas [at] sunnysideup.co.nz |
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* @package: ecommerce |
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* @sub-package: ecommerce_delivery |
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* @description: allows you to add a modifier at checkout where the customer is prompted to |
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* add a donation rounding up to the next round number. |
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* |
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* The trick here is to work out the value of the donation |
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* from the total without the donation and then add it to the donation |
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* to get to a round numer. |
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* |
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*/ |
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class AnyPriceRoundUpDonationModifier extends OrderModifier |
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{ |
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// ######################################## *** model defining static variables (e.g. $db, $has_one) |
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/** |
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* add extra fields as you need them. |
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* |
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**/ |
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private static $db = array( |
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"ModifierTotalExcludingDonation" => "Currency", |
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"SubTotal" => "Currency", |
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"OtherValue" => "Currency", |
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"AddDonation" => "Boolean" |
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); |
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// ######################################## *** cms variables + functions (e.g. getCMSFields, $searchableFields) |
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public function getCMSFields() |
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{ |
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$fields = parent::getCMSFields(); |
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return $fields; |
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} |
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private static $singular_name = "Round Up Donation"; |
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public function i18n_singular_name() |
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{ |
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return _t("AnyPriceRoundUpDonationModifier.ROUNDUPDONATION", "Round Up Donation"); |
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} |
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private static $plural_name = "Round Up Donations"; |
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public function i18n_plural_name() |
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{ |
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return _t("AnyPriceRoundUpDonationModifier.ROUNDUPDONATIONS", "Round Up Donations"); |
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} |
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// ######################################## *** other (non) static variables (e.g. private static $special_name_for_something, protected $order) |
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/** |
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* Maximum Round Up |
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* to which the donation should round. |
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* +1 = nearest 10, e.g. 73.45 rounds to 80 |
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* 0 = nearest rounded integer - e.g. 73.45 rounds to 74 |
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* -1 = nearest 10 cents - e.g. 73.45 rounds to 73.50 |
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* |
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* @var Int |
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*/ |
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private static $precision = 1; |
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/** |
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* Maximum Round Up - modifier will ensure that the round up is no more |
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* than the number specified here. |
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* @var Int |
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*/ |
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private static $maximum_round_up = 5; |
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private static $round_up_even_if_there_is_nothing_to_round = true; |
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private static $include_form_in_order_table = true; |
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// ######################################## *** CRUD functions (e.g. canEdit) |
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// ######################################## *** init and update functions |
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/** |
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* For all modifers with their own database fields, we need to include this... |
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* It will update each of the fields. |
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* With this, we also need to create the methods |
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* Live{functionName} |
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* e.g LiveMyField() and LiveMyReduction() in this case... |
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* @param Bool $force - run it, even if it has run already |
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*/ |
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public function runUpdate($force = false) |
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{ |
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$this->checkField("AddDonation"); |
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$this->checkField("OtherValue"); |
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$this->checkField("SubTotal"); |
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$this->checkField("ModifierTotalExcludingDonation"); |
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parent::runUpdate($force); |
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} |
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/** |
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* allows you to save a new value AddDonation |
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* @param Boolean $b |
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*/ |
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public function updateAddDonation($b) |
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{ |
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$this->AddDonation = $b ? 1 : 0; |
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$this->write(); |
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} |
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/** |
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* allows you to save a new value OtherValue |
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* @param float |
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*/ |
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public function updateOtherValue($f) |
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{ |
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$this->OtherValue = $f; |
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$this->write(); |
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} |
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// ######################################## *** form functions (e. g. Showform and getform) |
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/** |
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* standard OrderModifier Method |
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* Should we show a form in the checkout page for this modifier? |
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*/ |
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public function ShowForm() |
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{ |
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/*$ajaxObject = $this->AJAXDefinitions(); |
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//TableValue is a database value |
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$tableID = $ajaxObject->TableID(); |
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if(!$this->hasDonation()) { |
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Requirements::customScript("jQuery(document).ready(function() {jQuery(\"#".$tableID."\").hide();});", "hide$tableID"); |
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}*/ |
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return $this->Order()->Items(); |
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} |
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/** |
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* Should the form be included in the editable form |
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* on the checkout page? |
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* @return Boolean |
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*/ |
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public function ShowFormInEditableOrderTable() |
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{ |
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return ($this->ShowForm() && self::$include_form_in_order_table) ? true : false; |
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} |
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/** |
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* standard OrderModifier Method |
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* This method returns the form for the checkout page. |
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* @param Object $controller = Controller object for form |
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* @return Object - AnyPriceRoundUpDonationModifier |
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*/ |
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public function getModifierForm(Controller $optionalController = null, Validator $optionalValidator = null) |
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{ |
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$fields = new FieldList(); |
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$fields->push($this->headingField()); |
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$fields->push($this->descriptionField()); |
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$maxRoundUpObject = DBField::create_field('Currency', Config::inst()->get("AnyPriceRoundUpDonationModifier", 'maximum_round_up')); |
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$checkFieldTitle = sprintf( |
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_t("AnyPriceRoundUpDonationModifier.ADDDONATION", "Add round up donation (maximum added %s)?"), |
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$maxRoundUpObject->Nice() |
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); |
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$checkField = new DropdownField( |
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'AddDonation', |
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$checkFieldTitle, |
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array( |
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_t("AnyPriceRoundUpDonationModifier.NO", 'No'), |
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_t("AnyPriceRoundUpDonationModifier.YES", 'Yes') |
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), |
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$this->AddDonation |
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); |
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$fields->push($checkField); |
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$fields->push(new NumericFIeld('OtherValue', _t("AnyPriceRoundUpDonationModifier.OTHERVALUE", "Other Value"), $this->OtherValue)); |
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$actions = new FieldList( |
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new FormAction('submit', 'Update Order') |
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); |
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return new AnyPriceRoundUpDonationModifier_Form($optionalController, 'AnyPriceRoundUpDonationModifier', $fields, $actions, $optionalValidator); |
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} |
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// ######################################## *** template functions (e.g. ShowInTable, TableTitle, etc...) ... USES DB VALUES |
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/** |
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* This has to be set to true, because it can be added by form using AJAX. |
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* @return Boolean |
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*/ |
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public function ShowInTable() |
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{ |
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if ($this->Order()->IsSubmitted()) { |
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return $this->TableValue > 0; |
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} |
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return true; |
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} |
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/** |
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* Removed via form instead. |
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* @return Boolean |
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*/ |
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public function CanBeRemoved() |
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{ |
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return false; |
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} |
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// ######################################## *** inner calculations.... USES CALCULATED VALUES |
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/** |
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* Works out if there is a donation at all. |
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* |
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*@return Boolean |
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*/ |
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protected function hasDonation() |
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{ |
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if (($this->LiveAddDonation() && Config::inst()->get("AnyPriceRoundUpDonationModifier", 'maximum_round_up') > 0) || $this->OtherValue > 0) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Works out the total round up amount, using both the |
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* sub-total and the modifier total. |
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* |
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*@return Float |
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*/ |
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protected function workOutRoundUpAmount() |
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{ |
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if ($this->hasDonation()) { |
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if ($this->OtherValue > 0) { |
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$actualAdditionToTotal = $this->OtherValue; |
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} else { |
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$totalExcludingDonation = $this->LiveSubTotal() + $this->LiveModifierTotalExcludingDonation(); |
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$precisionMultiplier = pow(10, Config::inst()->get('AnyPriceRoundUpDonationModifier', 'precision')); |
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$totalMultipliedByPrecision = $totalExcludingDonation / $precisionMultiplier; |
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$roundedTotalMultipliedByPrecision = ceil($totalMultipliedByPrecision); |
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$actualAdditionToTotal = ($roundedTotalMultipliedByPrecision * $precisionMultiplier) - $totalExcludingDonation; |
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while ($actualAdditionToTotal > Config::inst()->get("AnyPriceRoundUpDonationModifier", 'maximum_round_up') && $actualAdditionToTotal > 0) { |
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$actualAdditionToTotal = $actualAdditionToTotal - Config::inst()->get("AnyPriceRoundUpDonationModifier", 'maximum_round_up'); |
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} |
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if (Config::inst()->get('AnyPriceRoundUpDonationModifier', 'round_up_even_if_there_is_nothing_to_round') && $actualAdditionToTotal == 0) { |
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$actualAdditionToTotal = Config::inst()->get("AnyPriceRoundUpDonationModifier", 'maximum_round_up'); |
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} |
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} |
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} else { |
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$actualAdditionToTotal = 0; |
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} |
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return $actualAdditionToTotal; |
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} |
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// ######################################## *** calculate database fields: protected function Live[field name] ... USES CALCULATED VALUES |
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/** |
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* if we want to change the default value for the Name field |
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* (defined in the OrderModifer class) then we can do this |
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* as shown in the method below. |
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* You may choose to return an empty string or just a standard message. |
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* |
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* |
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**/ |
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protected function LiveName() |
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{ |
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if ($this->OtherValue > 0) { |
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return _t("AnyPriceRoundUpDonationModifier.DONATION", "Donation"); |
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} elseif ($this->hasDonation()) { |
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return _t("AnyPriceRoundUpDonationModifier.ROUNDUPDONATION", "Round up donation"); |
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} else { |
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return _t("AnyPriceRoundUpDonationModifier.NOROUNDUPDONATION", "No round up donation added"); |
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} |
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} |
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/** |
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* |
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* @return Boolean |
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**/ |
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protected function LiveAddDonation() |
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{ |
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return $this->AddDonation; |
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} |
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/** |
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* |
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* @return Float |
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**/ |
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protected function LiveOtherValue() |
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{ |
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return $this->OtherValue; |
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} |
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/** |
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* Work out sub total amount for order |
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* @return float |
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**/ |
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protected function LiveSubTotal() |
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{ |
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if ($this->hasDonation()) { |
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$order = $this->Order(); |
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return $order->SubTotal(); |
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} else { |
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return 0; |
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} |
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} |
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/** |
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* Work out modifier total excluding donation |
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* @return float |
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**/ |
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protected function LiveModifierTotalExcludingDonation() |
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{ |
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if ($this->hasDonation()) { |
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$modifiersTotal = 0; |
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$order = $this->Order(); |
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if ($order) { |
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if ($modifiers = $order->Modifiers()) { |
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foreach ($modifiers as $modifier) { |
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312
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if (!$modifier->IsRemoved()) { //we just doubledouble-check this... |
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313
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if ($modifier instanceof $this->ClassName) { |
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314
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$totalForModifier = 0; |
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315
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} else { |
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316
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$totalForModifier = $modifier->CalculationTotal(); |
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317
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} |
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318
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$modifiersTotal += floatval($totalForModifier); |
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319
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} |
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320
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} |
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321
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} |
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322
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} |
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323
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return $modifiersTotal; |
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324
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} else { |
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325
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return 0; |
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326
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} |
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327
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} |
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328
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|
329
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protected function LiveCalculatedTotal() |
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330
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{ |
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331
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if ($this->hasDonation()) { |
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332
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return $this->workOutRoundUpAmount(); |
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333
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} else { |
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334
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return 0; |
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335
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} |
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336
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|
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} |
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337
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|
|
338
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|
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public function LiveTableValue() |
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339
|
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{ |
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340
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return $this->LiveCalculatedTotal(); |
|
341
|
|
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} |
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342
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|
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|
|
343
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|
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|
|
344
|
|
|
// ######################################## *** Type Functions (IsChargeable, IsDeductable, IsNoChange, IsRemoved) |
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345
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|
|
|
|
346
|
|
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private static $table_sub_title; |
|
|
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|
|
|
347
|
|
|
|
|
348
|
|
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public function getTableSubTitle() |
|
349
|
|
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{ |
|
350
|
|
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return _t('AnyPriceRoundUpDonationModifier.TABLESUBTITLE', $this->stat('table_sub_title')); |
|
351
|
|
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} |
|
352
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|
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|
|
353
|
|
|
// ######################################## *** standard database related functions (e.g. onBeforeWrite, onAfterWrite, etc...) |
|
354
|
|
|
|
|
355
|
|
|
public function onBeforeWrite() |
|
356
|
|
|
{ |
|
357
|
|
|
parent::onBeforeWrite(); |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
|
|
361
|
|
|
// ######################################## *** AJAX related functions |
|
362
|
|
|
/** |
|
363
|
|
|
* some modifiers can be hidden after an ajax update (e.g. if someone enters a discount coupon and it does not exist). |
|
364
|
|
|
* There might be instances where ShowInTable (the starting point) is TRUE and HideInAjaxUpdate return false. |
|
365
|
|
|
*@return Boolean |
|
366
|
|
|
**/ |
|
367
|
|
|
public function HideInAjaxUpdate() |
|
368
|
|
|
{ |
|
369
|
|
|
//we check if the parent wants to hide it... |
|
370
|
|
|
//we need to do this first in case it is being removed. |
|
371
|
|
|
if (parent::HideInAjaxUpdate()) { |
|
372
|
|
|
return true; |
|
373
|
|
|
} |
|
374
|
|
|
// we do NOT hide it if values have been entered |
|
375
|
|
|
if ($this->hasDonation() || $this->ShowFormInEditableOrderTable()) { |
|
|
|
|
|
|
376
|
|
|
return false; |
|
377
|
|
|
} |
|
378
|
|
|
return true; |
|
379
|
|
|
} |
|
380
|
|
|
// ######################################## *** debug functions |
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
class AnyPriceRoundUpDonationModifier_Form extends OrderModifierForm |
|
|
|
|
|
|
384
|
|
|
{ |
|
385
|
|
|
public function __construct($optionalController = null, $name, $fields, $actions, $optionalValidator = null) |
|
|
|
|
|
|
386
|
|
|
{ |
|
387
|
|
|
parent::__construct($optionalController, $name, $fields, $actions, $optionalValidator); |
|
388
|
|
|
Requirements::javascript("ecommerce_anypriceproduct/javascript/AnyPriceRoundUpDonationModifier.js"); |
|
389
|
|
|
} |
|
390
|
|
|
|
|
391
|
|
|
public function submit(array $data, Form $form, $message = "order updated", $status = "good") |
|
|
|
|
|
|
392
|
|
|
{ |
|
393
|
|
|
$order = ShoppingCart::current_order(); |
|
394
|
|
|
if ($order) { |
|
395
|
|
|
if ($modifiers = $order->Modifiers("AnyPriceRoundUpDonationModifier")) { |
|
396
|
|
|
$msg = ""; |
|
397
|
|
|
foreach ($modifiers as $modifier) { |
|
398
|
|
|
if (isset($data['AddDonation']) && $data['AddDonation']) { |
|
399
|
|
|
$modifier->updateAddDonation(true); |
|
400
|
|
|
$msg .= _t("AnyPriceRoundUpDonationModifier.UPDATED", "Round up donation added - THANK YOU."); |
|
401
|
|
|
} else { |
|
402
|
|
|
$modifier->updateAddDonation(false); |
|
403
|
|
|
$msg .= _t("AnyPriceRoundUpDonationModifier.REMOVED", "Round up donation removed."); |
|
404
|
|
|
} |
|
405
|
|
View Code Duplication |
if (isset($data['OtherValue'])) { |
|
|
|
|
|
|
406
|
|
|
$modifier->updateOtherValue(floatval($data['OtherValue'])); |
|
407
|
|
|
if (floatval($data['OtherValue']) > 0) { |
|
408
|
|
|
//here we replace the message! |
|
409
|
|
|
$msg = _t("AnyPriceRoundUpDonationModifier.UPDATED_OTHER", "Added donation - THANK YOU."); |
|
410
|
|
|
} |
|
411
|
|
|
} else { |
|
412
|
|
|
$modifier->updateOtherValue(0); |
|
413
|
|
|
} |
|
414
|
|
|
$modifier->write(); |
|
415
|
|
|
} |
|
416
|
|
|
return ShoppingCart::singleton()->setMessageAndReturn($msg, "good"); |
|
417
|
|
|
} |
|
418
|
|
|
} |
|
419
|
|
|
return ShoppingCart::singleton()->setMessageAndReturn(_t("AnyPriceRoundUpDonationModifier.NOTUPDATED", "Could not update the round up donation status.", "bad")); |
|
420
|
|
|
} |
|
421
|
|
|
} |
|
422
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.