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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_tax |
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* @description: special tax rules for individual buyables |
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* |
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* |
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*/ |
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class GSTTaxDecorator extends DataExtension |
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{ |
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/** |
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* standard SS method |
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* @return Array |
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*/ |
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private static $many_many = array( |
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"ExcludedFrom" => "GSTTaxModifierOptions", |
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"AdditionalTax" => "GSTTaxModifierOptions" |
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); |
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/** |
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* for variations, use product for data |
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* @return DataList |
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*/ |
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View Code Duplication |
public function BuyableCalculatedExcludedFrom() |
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{ |
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if ($this->owner instanceof ProductVariation) { |
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if ($product = $this->owner->Product()) { |
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return $product->ExcludedFrom(); |
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} |
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} |
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return $this->owner->ExcludedFrom(); |
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} |
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/** |
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* for variations, use product for data |
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* @return DataList |
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*/ |
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View Code Duplication |
public function BuyableCalculatedAdditionalTax() |
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{ |
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if ($this->owner instanceof ProductVariation) { |
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if ($product = $this->owner->Product()) { |
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return $product->AdditionalTax(); |
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} |
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} |
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return $this->owner->AdditionalTax(); |
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} |
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/** |
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* standard SS method |
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* @param Object - $fields (FieldList) |
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* @return Object - FieldList |
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*/ |
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public function updateCMSFields(FieldList $fields) |
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{ |
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$additionalWhereForDefault = ""; |
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$fields->removeByName("ExcludedFrom"); |
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$fields->removeByName("AdditionalTax"); |
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$tabName = "Root.Tax"; |
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if ($this->owner instanceof ProductVariation) { |
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$fields->addFieldToTab( |
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$tabName, |
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new LiteralField( |
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"SeeProductForAdditionalTax", |
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_t("GSTTaxModifier.SEE_PARENT", "See parent Product for Additional Tax") |
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) |
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); |
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} else { |
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//additional taxes |
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$additionalOptions = GSTTaxModifierOptions::get()->filter(array("DoesNotApplyToAllProducts" => 1)); |
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if ($additionalOptions->count()) { |
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$additionalOptionsList = $additionalOptions->map()->toArray(); |
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$fields->addFieldToTab( |
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$tabName, |
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new CheckboxSetField( |
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"AdditionalTax", |
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_t("GSTTaxMofidifier.ADDITIONAL_TAXES", "Additional taxes ..."), |
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$additionalOptionsList |
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) |
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); |
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} |
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} |
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if ($this->owner instanceof ProductVariation) { |
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$fields->addFieldToTab( |
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$tabName, |
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new LiteralField( |
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"SeeProductForExcludedFrom", |
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_t("GSTTaxModifier.SEE_PARRENT", "See parent product for excluded taxes") |
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) |
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); |
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} else { |
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//excluded options |
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$excludedOptions = GSTTaxModifierOptions::get()->filter(array("DoesNotApplyToAllProducts" => 0)); |
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if ($excludedOptions->count()) { |
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$excludedOptionsList = $excludedOptions->map()->toArray(); |
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$fields->addFieldToTab( |
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$tabName, |
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new CheckboxSetField( |
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"ExcludedFrom", |
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_t("GSTTaxMofidifier.EXCLUDE_TAXES", "Taxes that do not apply ..."), |
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$excludedOptionsList |
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) |
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); |
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$additionalWhereForDefault = " \"GSTTaxModifierOptions\".\"ID\" NOT IN (".implode(", ", $excludedOptions->map("ID", "ID")->toArray()).")"; |
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} |
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} |
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//default options |
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$defaultOptions = GSTTaxModifierOptions::get() |
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->filter(array("DoesNotApplyToAllProducts" => 0)) |
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->where($additionalWhereForDefault); |
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if ($defaultOptions->count()) { |
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$fields->addFieldToTab( |
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$tabName, |
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new ReadonlyField("AlwaysApplies", "+ ".implode(", ", $defaultOptions->map()->toArray()).".") |
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); |
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} |
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} |
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/** |
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* returns the calculated price for the buyable including tax |
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* @return float |
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* |
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*/ |
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public function TaxInclusivePrice() |
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{ |
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user_error("to be completed"); |
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} |
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/** |
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* returns the calculated price for the buyable excluding tax |
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* @return float |
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* |
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*/ |
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public function TaxExclusivePrice() |
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{ |
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user_error("to be completed"); |
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} |
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} |
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sunnysideup /
silverstripe-ecommerce_tax
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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.