Files
firefly-iii/app/TransactionRules/Actions/UpdatePiggyBank.php
2025-05-04 17:41:26 +02:00

235 lines
10 KiB
PHP

<?php
/**
* UpdatePiggyBank.php
* Copyright (c) 2020 james@firefly-iii.org
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\TransactionRules\Actions;
use FireflyIII\Events\Model\Rule\RuleActionFailedOnArray;
use FireflyIII\Events\TriggeredAuditLog;
use FireflyIII\Models\Account;
use FireflyIII\Models\PiggyBank;
use FireflyIII\Models\RuleAction;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
use FireflyIII\User;
use Illuminate\Support\Facades\Log;
class UpdatePiggyBank implements ActionInterface
{
/**
* TriggerInterface constructor.
*/
public function __construct(private readonly RuleAction $action) {}
public function actOnArray(array $journal): bool
{
$actionValue = $this->action->getValue($journal);
Log::debug(sprintf('Triggered rule action UpdatePiggyBank on journal #%d', $journal['transaction_journal_id']));
// refresh the transaction type.
/** @var User $user */
$user = User::find($journal['user_id']);
/** @var TransactionJournal $journalObj */
$journalObj = $user->transactionJournals()->find($journal['transaction_journal_id']);
$piggyBank = $this->findPiggyBank($user, $actionValue);
if (null === $piggyBank) {
Log::info(
sprintf('No piggy bank named "%s", cant execute action #%d of rule #%d', $actionValue, $this->action->id, $this->action->rule_id)
);
event(new RuleActionFailedOnArray($this->action, $journal, trans('rules.cannot_find_piggy', ['name' => $actionValue])));
return false;
}
Log::debug(sprintf('Found piggy bank #%d ("%s")', $piggyBank->id, $piggyBank->name));
/** @var Transaction $destination */
$destination = $journalObj->transactions()->where('amount', '>', 0)->first();
$accounts = $this->getAccounts($journalObj);
Log::debug(sprintf('Source account is #%d: "%s"', $accounts['source']->id, $accounts['source']->name));
Log::debug(sprintf('Destination account is #%d: "%s"', $accounts['destination']->id, $accounts['source']->name));
// if connected to source but not to destination, needs to be removed from source account connected to piggy bank.
if ($this->isConnected($piggyBank, $accounts['source']) && !$this->isConnected($piggyBank, $accounts['destination'])) {
Log::debug('Piggy bank account is linked to source, so remove amount from piggy bank.');
$this->removeAmount($piggyBank, $journal, $journalObj, $accounts['source'], $destination->amount);
event(
new TriggeredAuditLog(
$this->action->rule,
$journalObj,
'remove_from_piggy',
null,
[
'currency_symbol' => $journalObj->transactionCurrency->symbol,
'decimal_places' => $journalObj->transactionCurrency->decimal_places,
'amount' => $destination->amount,
'piggy' => $piggyBank->name,
]
)
);
return true;
}
// if connected to destination but not to source, needs to be removed from source account connected to piggy bank.
if (!$this->isConnected($piggyBank, $accounts['source']) && $this->isConnected($piggyBank, $accounts['destination'])) {
Log::debug('Piggy bank account is linked to source, so add amount to piggy bank.');
$this->addAmount($piggyBank, $journal, $journalObj, $accounts['destination'], $destination->amount);
event(
new TriggeredAuditLog(
$this->action->rule,
$journalObj,
'add_to_piggy',
null,
[
'currency_symbol' => $journalObj->transactionCurrency->symbol,
'decimal_places' => $journalObj->transactionCurrency->decimal_places,
'amount' => $destination->amount,
'piggy' => $piggyBank->name,
'piggy_id' => $piggyBank->id,
]
)
);
return true;
}
if ($this->isConnected($piggyBank, $accounts['source']) && $this->isConnected($piggyBank, $accounts['destination'])) {
Log::info(sprintf('Piggy bank is linked to BOTH source ("#%d") and destination ("#%d"), so no action will be taken.', $accounts['source']->id, $accounts['destination']->id));
event(new RuleActionFailedOnArray($this->action, $journal, trans('rules.no_link_piggy', ['name' => $actionValue])));
return false;
}
Log::info(sprintf('Piggy bank is not linked to source ("#%d") or destination ("#%d"), so no action will be taken.', $accounts['source']->id, $accounts['destination']->id));
event(new RuleActionFailedOnArray($this->action, $journal, trans('rules.no_link_piggy', ['name' => $actionValue])));
return false;
}
private function findPiggyBank(User $user, string $name): ?PiggyBank
{
/** @var PiggyBankRepositoryInterface $repository */
$repository = app(PiggyBankRepositoryInterface::class);
$repository->setUser($user);
return $repository->findByName($name);
}
private function getAccounts(TransactionJournal $journal): array
{
return [
'source' => $journal->transactions()->where('amount', '<', '0')->first()?->account,
'destination' => $journal->transactions()->where('amount', '>', '0')->first()?->account,
];
}
private function isConnected(PiggyBank $piggyBank, ?Account $link): bool
{
if (null === $link) {
return false;
}
foreach ($piggyBank->accounts as $account) {
if ($account->id === $link->id) {
return true;
}
}
Log::debug(sprintf('Piggy bank is not connected to account #%d "%s"', $link->id, $link->name));
return false;
}
private function removeAmount(PiggyBank $piggyBank, array $array, TransactionJournal $journal, Account $account, string $amount): void
{
$repository = app(PiggyBankRepositoryInterface::class);
$repository->setUser($journal->user);
// how much can we remove from this piggy bank?
$toRemove = $repository->getCurrentAmount($piggyBank, $account);
Log::debug(sprintf('Amount is %s, max to remove is %s', $amount, $toRemove));
// if $amount is bigger than $toRemove, shrink it.
$amount = -1 === bccomp($amount, $toRemove) ? $amount : $toRemove;
Log::debug(sprintf('Amount is now %s', $amount));
// if amount is zero, stop.
if (0 === bccomp('0', $amount)) {
Log::warning('Amount left is zero, stop.');
event(new RuleActionFailedOnArray($this->action, $array, trans('rules.cannot_remove_zero_piggy', ['name' => $piggyBank->name])));
return;
}
if (false === $repository->canRemoveAmount($piggyBank, $account, $amount)) {
Log::warning(sprintf('Cannot remove %s from piggy bank.', $amount));
event(new RuleActionFailedOnArray($this->action, $array, trans('rules.cannot_remove_from_piggy', ['amount' => $amount, 'name' => $piggyBank->name])));
return;
}
Log::debug(sprintf('Will now remove %s from piggy bank.', $amount));
$repository->removeAmount($piggyBank, $account, $amount, $journal);
}
private function addAmount(PiggyBank $piggyBank, array $array, TransactionJournal $journal, Account $account, string $amount): void
{
$repository = app(PiggyBankRepositoryInterface::class);
$repository->setUser($journal->user);
// how much can we add to the piggy bank?
if (0 !== bccomp($piggyBank->target_amount, '0')) {
$toAdd = bcsub($piggyBank->target_amount, $repository->getCurrentAmount($piggyBank, $account));
Log::debug(sprintf('Max amount to add to piggy bank is %s, amount is %s', $toAdd, $amount));
// update amount to fit:
$amount = -1 === bccomp($amount, $toAdd) ? $amount : $toAdd;
Log::debug(sprintf('Amount is now %s', $amount));
}
if (0 === bccomp($piggyBank->target_amount, '0')) {
Log::debug('Target amount is zero, can add anything.');
}
// if amount is zero, stop.
if (0 === bccomp('0', $amount)) {
Log::warning('Amount left is zero, stop.');
event(new RuleActionFailedOnArray($this->action, $array, trans('rules.cannot_add_zero_piggy', ['name' => $piggyBank->name])));
return;
}
if (false === $repository->canAddAmount($piggyBank, $account, $amount)) {
Log::warning(sprintf('Cannot add %s to piggy bank.', $amount));
event(new RuleActionFailedOnArray($this->action, $array, trans('rules.cannot_add_to_piggy', ['amount' => $amount, 'name' => $piggyBank->name])));
return;
}
Log::debug(sprintf('Will now add %s to piggy bank.', $amount));
$repository->addAmount($piggyBank, $account, $amount, $journal);
}
}