mirror of
https://github.com/firefly-iii/firefly-iii.git
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227 lines
7.8 KiB
PHP
227 lines
7.8 KiB
PHP
<?php
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/**
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* UpdatePiggybank.php
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* Copyright (c) 2020 james@firefly-iii.org
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*
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* This file is part of Firefly III (https://github.com/firefly-iii).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\TransactionRules\Actions;
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use FireflyIII\Events\TriggeredAuditLog;
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use FireflyIII\Models\PiggyBank;
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use FireflyIII\Models\RuleAction;
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use FireflyIII\Models\Transaction;
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use FireflyIII\Models\TransactionJournal;
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use FireflyIII\Models\TransactionType;
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use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
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use FireflyIII\User;
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use Illuminate\Support\Facades\Log;
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/**
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* Class UpdatePiggybank
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*/
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class UpdatePiggybank implements ActionInterface
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{
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private RuleAction $action;
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/**
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* TriggerInterface constructor.
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*
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* @param RuleAction $action
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*/
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public function __construct(RuleAction $action)
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{
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$this->action = $action;
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}
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/**
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* @inheritDoc
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*/
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public function actOnArray(array $journal): bool
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{
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Log::debug(sprintf('Triggered rule action UpdatePiggybank on journal #%d', $journal['transaction_journal_id']));
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// refresh the transaction type.
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$user = User::find($journal['user_id']);
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/** @var TransactionJournal $journalObj */
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$journalObj = $user->transactionJournals()->find($journal['transaction_journal_id']);
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$type = TransactionType::find((int)$journalObj->transaction_type_id);
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$journal['transaction_type_type'] = $type->type;
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$piggyBank = $this->findPiggyBank($user);
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if (null === $piggyBank) {
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Log::info(
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sprintf('No piggy bank named "%s", cant execute action #%d of rule #%d', $this->action->action_value, $this->action->id, $this->action->rule_id)
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);
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return false;
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}
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Log::debug(sprintf('Found piggy bank #%d ("%s")', $piggyBank->id, $piggyBank->name));
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/** @var Transaction $source */
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$source = $journalObj->transactions()->where('amount', '<', 0)->first();
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/** @var Transaction $destination */
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$destination = $journalObj->transactions()->where('amount', '>', 0)->first();
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if ((int)$source->account_id === (int)$piggyBank->account_id) {
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Log::debug('Piggy bank account is linked to source, so remove amount from piggy bank.');
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$this->removeAmount($piggyBank, $journalObj, $destination->amount);
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event(
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new TriggeredAuditLog(
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$this->action->rule,
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$journalObj,
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'remove_from_piggy',
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null,
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[
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'currency_symbol' => $journalObj->transactionCurrency->symbol,
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'decimal_places' => $journalObj->transactionCurrency->decimal_places,
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'amount' => $destination->amount,
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'piggy' => $piggyBank->name,
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]
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)
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);
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return true;
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}
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if ((int)$destination->account_id === (int)$piggyBank->account_id) {
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Log::debug('Piggy bank account is linked to source, so add amount to piggy bank.');
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$this->addAmount($piggyBank, $journalObj, $destination->amount);
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event(
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new TriggeredAuditLog(
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$this->action->rule,
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$journalObj,
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'add_to_piggy',
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null,
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[
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'currency_symbol' => $journalObj->transactionCurrency->symbol,
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'decimal_places' => $journalObj->transactionCurrency->decimal_places,
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'amount' => $destination->amount,
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'piggy' => $piggyBank->name,
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]
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)
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);
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return true;
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}
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Log::info(
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sprintf(
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'Piggy bank is not linked to source ("#%d") or destination ("#%d"), so no action will be taken.',
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$source->account_id,
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$destination->account_id
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)
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);
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return false;
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}
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/**
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* @param PiggyBank $piggyBank
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* @param TransactionJournal $journal
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* @param string $amount
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* @return void
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*/
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private function addAmount(PiggyBank $piggyBank, TransactionJournal $journal, string $amount): void
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{
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$repository = app(PiggyBankRepositoryInterface::class);
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$repository->setUser($journal->user);
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// how much can we add to the piggy bank?
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if (0 !== bccomp($piggyBank->targetamount, '0')) {
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$toAdd = bcsub($piggyBank->targetamount, $repository->getCurrentAmount($piggyBank));
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Log::debug(sprintf('Max amount to add to piggy bank is %s, amount is %s', $toAdd, $amount));
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// update amount to fit:
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$amount = -1 === bccomp($amount, $toAdd) ? $amount : $toAdd;
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Log::debug(sprintf('Amount is now %s', $amount));
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}
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if (0 === bccomp($piggyBank->targetamount, '0')) {
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Log::debug('Target amount is zero, can add anything.');
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}
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// if amount is zero, stop.
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if (0 === bccomp('0', $amount)) {
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app('log')->warning('Amount left is zero, stop.');
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return;
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}
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// make sure we can add amount:
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if (false === $repository->canAddAmount($piggyBank, $amount)) {
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app('log')->warning(sprintf('Cannot add %s to piggy bank.', $amount));
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return;
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}
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Log::debug(sprintf('Will now add %s to piggy bank.', $amount));
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$repository->addAmount($piggyBank, $amount, $journal);
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}
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/**
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* @param User $user
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*
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* @return PiggyBank|null
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*/
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private function findPiggyBank(User $user): ?PiggyBank
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{
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return $user->piggyBanks()->where('piggy_banks.name', $this->action->action_value)->first();
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}
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/**
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* @param PiggyBank $piggyBank
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* @param TransactionJournal $journal
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* @param string $amount
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* @return void
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*/
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private function removeAmount(PiggyBank $piggyBank, TransactionJournal $journal, string $amount): void
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{
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$repository = app(PiggyBankRepositoryInterface::class);
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$repository->setUser($journal->user);
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// how much can we remove from this piggy bank?
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$toRemove = $repository->getCurrentAmount($piggyBank);
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Log::debug(sprintf('Amount is %s, max to remove is %s', $amount, $toRemove));
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// if $amount is bigger than $toRemove, shrink it.
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$amount = -1 === bccomp($amount, $toRemove) ? $amount : $toRemove;
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Log::debug(sprintf('Amount is now %s', $amount));
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// if amount is zero, stop.
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if (0 === bccomp('0', $amount)) {
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app('log')->warning('Amount left is zero, stop.');
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return;
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}
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// make sure we can remove amount:
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if (false === $repository->canRemoveAmount($piggyBank, $amount)) {
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app('log')->warning(sprintf('Cannot remove %s from piggy bank.', $amount));
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return;
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}
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Log::debug(sprintf('Will now remove %s from piggy bank.', $amount));
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$repository->removeAmount($piggyBank, $amount, $journal);
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}
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}
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