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<?php |
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namespace FeiMx\Tax; |
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use FeiMx\Tax\Exceptions\TaxErrorException; |
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class TaxManager |
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{ |
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/** |
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* Amount for use when calculate taxes. |
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* |
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* @var int |
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*/ |
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public $amount; |
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/** |
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* List of taxes for calculate final amount. |
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* |
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* @var array |
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*/ |
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public $taxes = []; |
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/** |
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* @param int $amount |
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*/ |
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public function __construct($amount = 0) |
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{ |
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$this->amount = $amount; |
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} |
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/** |
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* @param string|FeiMx\Tax\Contracts\TaxContract $tax |
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* @param bool $retention |
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* |
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* @return mixed |
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*/ |
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public function addTax($tax, $retention = false) |
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{ |
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if (is_string($tax)) { |
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$className = $this->stringToClassName($tax); |
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$tax = new $className($retention); |
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} |
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if (! in_array($tax, $this->taxes)) { |
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$this->taxes[] = $tax; |
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} |
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return $this; |
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} |
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/** |
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* @param array|\ArrayAccess |
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*/ |
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public function addTaxes(...$taxes) |
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{ |
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if (is_array($taxes)) { |
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$taxes = array_flatten($taxes); |
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} |
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collect($taxes)->each(function ($tax) { |
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$this->addTax($tax); |
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}); |
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return $this; |
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} |
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/** |
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* Get total amount after taxes. |
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* |
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* @return float Total amount |
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*/ |
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public function total() |
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{ |
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$total = 0; |
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foreach ($this->taxes as $tax) { |
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$total += $tax->calculate($this->amount); |
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} |
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return number_format($this->amount + $total, 6, '.', ''); |
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} |
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/** |
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* Get a list of taxes with amount calculated. |
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* |
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* @return float Total amount |
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*/ |
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public function get() |
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{ |
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$taxes = array_map(function ($tax) { |
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return [ |
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'tax' => $tax->name, |
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'amount' => $tax->calculate($this->amount), |
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]; |
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}, $this->taxes); |
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return array_merge([ |
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'amount' => $this->amount, |
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'total' => $this->total, |
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'taxes' => $taxes, |
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]); |
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} |
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/** |
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* @param string $tax |
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* |
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* @return string $className |
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*/ |
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public function stringToClassName($tax) |
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{ |
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$className = 'FeiMx\\Tax\\Taxes\\'.strtoupper($tax); |
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if (! class_exists($className)) { |
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throw new TaxErrorException("The tax '{$tax}' is not valid"); |
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} |
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return $className; |
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} |
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public function __get($property) |
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{ |
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if ('total' == $property) { |
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return $this->total(); |
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} |
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if (property_exists($this, $property)) { |
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return $this->{$property}; |
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} |
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throw new \Exception('Property not exists'); |
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} |
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} |
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Since your code implements the magic getter
_get, this function will be called for any read access on an undefined variable. You can add the@propertyannotation to your class or interface to document the existence of this variable.If the property has read access only, you can use the @property-read annotation instead.
Of course, you may also just have mistyped another name, in which case you should fix the error.
See also the PhpDoc documentation for @property.