mirror of
https://github.com/invoiceninja/invoiceninja.git
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144 lines
4.5 KiB
PHP
144 lines
4.5 KiB
PHP
<?php
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/**
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* Invoice Ninja (https://invoiceninja.com).
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*
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* @link https://github.com/invoiceninja/invoiceninja source repository
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*
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* @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
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*
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* @license https://www.elastic.co/licensing/elastic-license
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*/
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namespace App\Helpers\Invoice;
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use App\Models\Invoice;
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use App\Models\RecurringInvoice;
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use Carbon\Exceptions\InvalidFormatException;
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use Exception;
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use Illuminate\Contracts\Container\BindingResolutionException;
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use Illuminate\Support\Carbon;
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class ProRata
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{
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/**
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* Returns the amount to refund based on
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* the time interval and the frequency duration
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*
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* @param float $amount
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* @param Carbon $from_date
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* @param Carbon $to_date
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* @param int $frequency
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* @return float
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*/
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public function refund(float $amount, Carbon $from_date, Carbon $to_date, int $frequency) :float
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{
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$days = $from_date->copy()->diffInDays($to_date);
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$days_in_frequency = $this->getDaysInFrequency($frequency);
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return round( (($days/$days_in_frequency) * $amount),2);
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}
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/**
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* Returns the amount to charge based on
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* the time interval and the frequency duration
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*
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* @param float $amount
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* @param Carbon $from_date
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* @param Carbon $to_date
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* @param int $frequency
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* @return float
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*/
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public function charge(float $amount, Carbon $from_date, Carbon $to_date, int $frequency) :float
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{
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$days = $from_date->copy()->diffInDays($to_date);
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$days_in_frequency = $this->getDaysInFrequency($frequency);
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nlog($from_date->format('Y-m-d'));
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nlog($days);
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nlog($days_in_frequency);
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nlog($amount);
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return round( (($days/$days_in_frequency) * $amount),2);
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}
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/**
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* Prepares the line items of an invoice
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* to be pro rata refunded.
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*
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* @param Invoice $invoice
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* @param bool $is_credit
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* @return array
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* @throws Exception
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*/
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public function refundItems(Invoice $invoice, $is_credit = false) :array
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{
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if(!$invoice)
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return [];
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$recurring_invoice = RecurringInvoice::find($invoice->recurring_id)->first();
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if(!$recurring_invoice)
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throw new \Exception("Invoice isn't attached to a recurring invoice");
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/* depending on whether we are creating an invoice or a credit*/
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$multiplier = $is_credit ? 1 : -1;
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$start_date = Carbon::parse($invoice->date);
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$line_items = [];
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foreach($invoice->line_items as $item)
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{
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if($item->product_key != ctrans('texts.refund'))
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{
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$item->quantity = 1;
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$item->cost = $this->refund($item->cost*$multiplier, $start_date, now(), $recurring_invoice->frequency_id);
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$item->product_key = ctrans('texts.refund');
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$item->notes = ctrans('texts.refund') . ": ". $item->notes;
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$line_items[] = $item;
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}
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}
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return $line_items;
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}
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private function getDaysInFrequency($frequency)
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{
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switch ($frequency) {
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case RecurringInvoice::FREQUENCY_DAILY:
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return 1;
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case RecurringInvoice::FREQUENCY_WEEKLY:
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return 7;
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case RecurringInvoice::FREQUENCY_TWO_WEEKS:
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return 14;
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case RecurringInvoice::FREQUENCY_FOUR_WEEKS:
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return now()->diffInDays(now()->addWeeks(4));
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case RecurringInvoice::FREQUENCY_MONTHLY:
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return now()->diffInDays(now()->addMonthNoOverflow());
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case RecurringInvoice::FREQUENCY_TWO_MONTHS:
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return now()->diffInDays(now()->addMonthNoOverflow(2));
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case RecurringInvoice::FREQUENCY_THREE_MONTHS:
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return now()->diffInDays(now()->addMonthNoOverflow(3));
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case RecurringInvoice::FREQUENCY_FOUR_MONTHS:
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return now()->diffInDays(now()->addMonthNoOverflow(4));
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case RecurringInvoice::FREQUENCY_SIX_MONTHS:
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return now()->diffInDays(now()->addMonthNoOverflow(6));
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case RecurringInvoice::FREQUENCY_ANNUALLY:
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return now()->diffInDays(now()->addYear());
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case RecurringInvoice::FREQUENCY_TWO_YEARS:
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return now()->diffInDays(now()->addYears(2));
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case RecurringInvoice::FREQUENCY_THREE_YEARS:
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return now()->diffInDays(now()->addYears(3));
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default:
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return 0;
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}
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}
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} |