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<?php |
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/** |
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* |
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* part-db version 0.1 |
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* Copyright (C) 2005 Christoph Lechner |
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* http://www.cl-projects.de/ |
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* |
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* part-db version 0.2+ |
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* Copyright (C) 2009 K. Jacobs and others (see authors.php) |
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* http://code.google.com/p/part-db/ |
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* |
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* Part-DB Version 0.4+ |
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* Copyright (C) 2016 - 2019 Jan Böhmer |
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* https://github.com/jbtronics |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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* |
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*/ |
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namespace App\Services; |
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use App\Entity\Parts\MeasurementUnit; |
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use Symfony\Component\OptionsResolver\Options; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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/** |
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* This service formats an part amout using a Measurement Unit. |
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* @package App\Services |
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*/ |
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class AmountFormatter |
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{ |
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protected $siFormatter; |
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public function __construct(SIFormatter $siFormatter) |
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{ |
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$this->siFormatter = $siFormatter; |
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} |
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protected function configureOptions(OptionsResolver $resolver) |
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{ |
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$resolver->setDefaults([ |
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'show_prefix' => function (Options $options) { |
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if ($options['measurement_unit'] !== null) { |
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/** @var MeasurementUnit $unit */ |
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$unit = $options['measurement_unit']; |
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return $unit->isUseSIPrefix(); |
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} |
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return true; |
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}, |
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'is_integer' => function (Options $options) { |
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if ($options['measurement_unit'] !== null) { |
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/** @var MeasurementUnit $unit */ |
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$unit = $options['measurement_unit']; |
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return $unit->isInteger(); |
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} |
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return true; |
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}, |
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'unit' => function (Options $options) { |
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if ($options['measurement_unit'] !== null) { |
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/** @var MeasurementUnit $unit */ |
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$unit = $options['measurement_unit']; |
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return $unit->getUnit(); |
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} |
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return ''; |
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}, |
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'decimals' => 2, |
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'error_mapping' => [ '.' => 'value'] |
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]); |
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$resolver->setAllowedTypes('decimals', 'int'); |
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$resolver->setNormalizer('decimals', function (Options $options, $value) { |
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// If the unit is integer based, then dont show any decimals |
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if ($options['is_integer']) { |
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return 0; |
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} |
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return $value; |
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}); |
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} |
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/** |
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* Formats the given value using the measurement unit and options. |
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* @param $value float|int The value that should be formatted. Must be numeric. |
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* @param MeasurementUnit|null $unit The measurement unit, whose unit symbol should be used for formatting. |
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* If set to null, it is assumed that the part amount is measured in pieces. |
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* @param array $options |
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* @return string The formatted string |
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* @throws \InvalidArgumentException Thrown if $value is not numeric. |
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*/ |
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public function format($value, ?MeasurementUnit $unit = null, array $options = []) |
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{ |
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if (!is_numeric($value)) { |
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throw new \InvalidArgumentException('$value must be an numeric value!'); |
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} |
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$value = (float) $value; |
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//Find out what options to use |
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$resolver = new OptionsResolver(); |
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$resolver->setDefault('measurement_unit', $unit); |
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$this->configureOptions($resolver); |
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$options = $resolver->resolve($options); |
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if ($options['is_integer']) { |
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$value = round($value); |
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} |
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//If the measurement unit uses a SI prefix format it that way. |
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if ($options['show_prefix']) { |
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return $this->siFormatter->format($value, $options['unit'], $options['decimals']); |
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} |
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//Otherwise just output it |
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$format_string = '%.' . $options['decimals'] . 'f ' . $options['unit']; |
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return sprintf($format_string, $value); |
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} |
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} |
Part-DB /
Part-DB-symfony
