firefly-iii/app/Repositories/PiggyBank/PiggyBankRepository.php
2019-09-14 18:02:24 +02:00

666 lines
20 KiB
PHP

<?php
/**
* PiggyBankRepository.php
* Copyright (c) 2017 thegrumpydictator@gmail.com
*
* This file is part of Firefly III.
*
* Firefly III is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Firefly III 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\Repositories\PiggyBank;
use Carbon\Carbon;
use Exception;
use FireflyIII\Models\Note;
use FireflyIII\Models\PiggyBank;
use FireflyIII\Models\PiggyBankEvent;
use FireflyIII\Models\PiggyBankRepetition;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Journal\JournalRepositoryInterface;
use FireflyIII\User;
use Illuminate\Support\Collection;
use Log;
/**
* Class PiggyBankRepository.
*
*/
class PiggyBankRepository implements PiggyBankRepositoryInterface
{
/** @var User */
private $user;
/**
* Constructor.
*/
public function __construct()
{
if ('testing' === config('app.env')) {
Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
}
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return bool
*/
public function addAmount(PiggyBank $piggyBank, string $amount): bool
{
$repetition = $this->getRepetition($piggyBank);
if (null === $repetition) {
return false;
}
$currentAmount = $repetition->currentamount ?? '0';
$repetition->currentamount = bcadd($currentAmount, $amount);
$repetition->save();
// create event
$this->createEvent($piggyBank, $amount);
return true;
}
/**
* @param PiggyBankRepetition $repetition
* @param string $amount
*
* @return string
*/
public function addAmountToRepetition(PiggyBankRepetition $repetition, string $amount): string
{
$newAmount = bcadd($repetition->currentamount, $amount);
$repetition->currentamount = $newAmount;
$repetition->save();
return $newAmount;
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return bool
*/
public function canAddAmount(PiggyBank $piggyBank, string $amount): bool
{
$leftOnAccount = $this->leftOnAccount($piggyBank, new Carbon);
$savedSoFar = (string)$this->getRepetition($piggyBank)->currentamount;
$leftToSave = bcsub($piggyBank->targetamount, $savedSoFar);
$maxAmount = (string)min(round($leftOnAccount, 12), round($leftToSave, 12));
return bccomp($amount, $maxAmount) <= 0;
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return bool
*/
public function canRemoveAmount(PiggyBank $piggyBank, string $amount): bool
{
$repetition = $this->getRepetition($piggyBank);
if (null === $repetition) {
return false;
}
$savedSoFar = $repetition->currentamount;
return bccomp($amount, $savedSoFar) <= 0;
}
/**
* Correct order of piggies in case of issues.
*/
public function correctOrder(): void
{
$set = $this->user->piggyBanks()->orderBy('order', 'ASC')->get();
$current = 1;
foreach ($set as $piggyBank) {
if ((int)$piggyBank->order !== $current) {
$piggyBank->order = $current;
$piggyBank->save();
}
$current++;
}
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return PiggyBankEvent
*/
public function createEvent(PiggyBank $piggyBank, string $amount): PiggyBankEvent
{
/** @var PiggyBankEvent $event */
$event = PiggyBankEvent::create(['date' => Carbon::now(), 'amount' => $amount, 'piggy_bank_id' => $piggyBank->id]);
return $event;
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
* @param TransactionJournal $journal
*
* @return PiggyBankEvent
*/
public function createEventWithJournal(PiggyBank $piggyBank, string $amount, TransactionJournal $journal): PiggyBankEvent
{
/** @var PiggyBankEvent $event */
$event = PiggyBankEvent::create(
[
'piggy_bank_id' => $piggyBank->id,
'transaction_journal_id' => $journal->id,
'date' => $journal->date->format('Y-m-d'),
'amount' => $amount]
);
return $event;
}
/**
* @param PiggyBank $piggyBank
*
* @return bool
* @throws \Exception
*/
public function destroy(PiggyBank $piggyBank): bool
{
$piggyBank->delete();
return true;
}
/**
* Find by name or return NULL.
*
* @param string $name
*
* @return PiggyBank|null
*/
public function findByName(string $name): ?PiggyBank
{
$set = $this->user->piggyBanks()->get(['piggy_banks.*']);
// TODO no longer need to loop like this
/** @var PiggyBank $piggy */
foreach ($set as $piggy) {
if ($piggy->name === $name) {
return $piggy;
}
}
return null;
}
/**
* @param int $piggyBankId
*
* @return PiggyBank|null
*/
public function findNull(int $piggyBankId): ?PiggyBank
{
$piggyBank = $this->user->piggyBanks()->where('piggy_banks.id', $piggyBankId)->first(['piggy_banks.*']);
if (null !== $piggyBank) {
return $piggyBank;
}
return null;
}
/**
* @param int|null $piggyBankId
* @param string|null $piggyBankName
*
* @return PiggyBank|null
*/
public function findPiggyBank(?int $piggyBankId, ?string $piggyBankName): ?PiggyBank
{
Log::debug('Searching for piggy information.');
if (null !== $piggyBankId) {
$searchResult = $this->findNull((int)$piggyBankId);
if (null !== $searchResult) {
Log::debug(sprintf('Found piggy based on #%d, will return it.', $piggyBankId));
return $searchResult;
}
}
if (null !== $piggyBankName) {
$searchResult = $this->findByName((string)$piggyBankName);
if (null !== $searchResult) {
Log::debug(sprintf('Found piggy based on "%s", will return it.', $piggyBankName));
return $searchResult;
}
}
Log::debug('Found nothing');
return null;
}
/**
* Get current amount saved in piggy bank.
*
* @param PiggyBank $piggyBank
*
* @return string
*/
public function getCurrentAmount(PiggyBank $piggyBank): string
{
$rep = $this->getRepetition($piggyBank);
if (null === $rep) {
return '0';
}
return (string)$rep->currentamount;
}
/**
* @param PiggyBank $piggyBank
*
* @return Collection
*/
public function getEvents(PiggyBank $piggyBank): Collection
{
return $piggyBank->piggyBankEvents()->orderBy('date', 'DESC')->orderBy('id', 'DESC')->get();
}
/**
* Used for connecting to a piggy bank.
*
* @param PiggyBank $piggyBank
* @param PiggyBankRepetition $repetition
* @param TransactionJournal $journal
*
* @return string
*
*/
public function getExactAmount(PiggyBank $piggyBank, PiggyBankRepetition $repetition, TransactionJournal $journal): string
{
Log::debug(sprintf('Now in getExactAmount(%d, %d, %d)', $piggyBank->id, $repetition->id, $journal->id));
$operator = null;
/** @var JournalRepositoryInterface $journalRepost */
$journalRepost = app(JournalRepositoryInterface::class);
$journalRepost->setUser($this->user);
/** @var AccountRepositoryInterface $accountRepos */
$accountRepos = app(AccountRepositoryInterface::class);
$accountRepos->setUser($this->user);
$defaultCurrency = app('amount')->getDefaultCurrencyByUser($this->user);
$piggyBankCurrency = $accountRepos->getAccountCurrency($piggyBank->account) ?? $defaultCurrency;
Log::debug(sprintf('Piggy bank #%d currency is %s', $piggyBank->id, $piggyBankCurrency->code));
/** @var Transaction $source */
$source = $journal->transactions()->with(['Account'])->where('amount', '<', 0)->first();
/** @var Transaction $destination */
$destination = $journal->transactions()->with(['Account'])->where('amount', '>', 0)->first();
// matches source, which means amount will be removed from piggy:
if ($source->account_id === $piggyBank->account_id) {
$operator = 'negative';
$currency = $accountRepos->getAccountCurrency($source->account) ?? $defaultCurrency;
Log::debug(sprintf('Currency will draw money out of piggy bank. Source currency is %s', $currency->code));
}
// matches destination, which means amount will be added to piggy.
if ($destination->account_id === $piggyBank->account_id) {
$operator = 'positive';
$currency = $accountRepos->getAccountCurrency($destination->account) ?? $defaultCurrency;
Log::debug(sprintf('Currency will add money to piggy bank. Destination currency is %s', $currency->code));
}
if (null === $operator || null === $currency) {
return '0';
}
// currency of the account + the piggy bank currency are almost the same.
// which amount from the transaction matches?
// $currency->id === $piggyBankCurrency->id
$amount = null;
if ($source->transaction_currency_id === $currency->id) {
Log::debug('Use normal amount');
$amount = app('steam')->$operator($source->amount);
}
if ($source->foreign_currency_id === $currency->id) {
Log::debug('Use foreign amount');
$amount = app('steam')->$operator($source->foreign_amount);
}
if (null === $amount) {
return '0';
}
Log::debug(sprintf('The currency is %s and the amount is %s', $currency->code, $amount));
$room = bcsub((string)$piggyBank->targetamount, (string)$repetition->currentamount);
$compare = bcmul($repetition->currentamount, '-1');
Log::debug(sprintf('Will add/remove %f to piggy bank #%d ("%s")', $amount, $piggyBank->id, $piggyBank->name));
// if the amount is positive, make sure it fits in piggy bank:
if (1 === bccomp($amount, '0') && bccomp($room, $amount) === -1) {
// amount is positive and $room is smaller than $amount
Log::debug(sprintf('Room in piggy bank for extra money is %f', $room));
Log::debug(sprintf('There is NO room to add %f to piggy bank #%d ("%s")', $amount, $piggyBank->id, $piggyBank->name));
Log::debug(sprintf('New amount is %f', $room));
return $room;
}
// amount is negative and $currentamount is smaller than $amount
if (bccomp($amount, '0') === -1 && 1 === bccomp($compare, $amount)) {
Log::debug(sprintf('Max amount to remove is %f', $repetition->currentamount));
Log::debug(sprintf('Cannot remove %f from piggy bank #%d ("%s")', $amount, $piggyBank->id, $piggyBank->name));
Log::debug(sprintf('New amount is %f', $compare));
return $compare;
}
return (string)$amount;
}
/**
* @return int
*/
public function getMaxOrder(): int
{
return (int)$this->user->piggyBanks()->max('order');
}
/**
* Return note for piggy bank.
*
* @param PiggyBank $piggyBank
*
* @return string
*/
public function getNoteText(PiggyBank $piggyBank): string
{
/** @var Note $note */
$note = $piggyBank->notes()->first();
if (null === $note) {
return '';
}
return $note->text;
}
/**
* @return Collection
*/
public function getPiggyBanks(): Collection
{
return $this->user->piggyBanks()->orderBy('order', 'ASC')->get();
}
/**
* Also add amount in name.
*
* @return Collection
*/
public function getPiggyBanksWithAmount(): Collection
{
$currency = app('amount')->getDefaultCurrency();
$set = $this->getPiggyBanks();
/** @var PiggyBank $piggy */
foreach ($set as $piggy) {
$currentAmount = $this->getRepetition($piggy)->currentamount ?? '0';
$piggy->name = $piggy->name . ' (' . app('amount')->formatAnything($currency, $currentAmount, false) . ')';
}
return $set;
}
/**
* @param PiggyBank $piggyBank
*
* @return PiggyBankRepetition|null
*/
public function getRepetition(PiggyBank $piggyBank): ?PiggyBankRepetition
{
return $piggyBank->piggyBankRepetitions()->first();
}
/**
* Returns the suggested amount the user should save per month, or "".
*
* @param PiggyBank $piggyBank
*
* @return string
*
*/
public function getSuggestedMonthlyAmount(PiggyBank $piggyBank): string
{
$savePerMonth = '0';
$repetition = $this->getRepetition($piggyBank);
if (null === $repetition) {
return $savePerMonth;
}
if (null !== $piggyBank->targetdate && $repetition->currentamount < $piggyBank->targetamount) {
$now = Carbon::now();
$diffInMonths = $now->diffInMonths($piggyBank->targetdate, false);
$remainingAmount = bcsub($piggyBank->targetamount, $repetition->currentamount);
// more than 1 month to go and still need money to save:
if ($diffInMonths > 0 && 1 === bccomp($remainingAmount, '0')) {
$savePerMonth = bcdiv($remainingAmount, (string)$diffInMonths);
}
// less than 1 month to go but still need money to save:
if (0 === $diffInMonths && 1 === bccomp($remainingAmount, '0')) {
$savePerMonth = $remainingAmount;
}
}
return $savePerMonth;
}
/**
* Get for piggy account what is left to put in piggies.
*
* @param PiggyBank $piggyBank
* @param Carbon $date
*
* @return string
*/
public function leftOnAccount(PiggyBank $piggyBank, Carbon $date): string
{
$balance = app('steam')->balanceIgnoreVirtual($piggyBank->account, $date);
/** @var Collection $piggies */
$piggies = $piggyBank->account->piggyBanks;
/** @var PiggyBank $current */
foreach ($piggies as $current) {
$repetition = $this->getRepetition($current);
if (null !== $repetition) {
$balance = bcsub($balance, $repetition->currentamount);
}
}
return $balance;
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return bool
*/
public function removeAmount(PiggyBank $piggyBank, string $amount): bool
{
$repetition = $this->getRepetition($piggyBank);
$repetition->currentamount = bcsub($repetition->currentamount, $amount);
$repetition->save();
// create event
$this->createEvent($piggyBank, bcmul($amount, '-1'));
return true;
}
/**
* set id of piggy bank.
*
* @param PiggyBank $piggyBank
* @param int $order
*
* @return bool
*/
public function setOrder(PiggyBank $piggyBank, int $order): bool
{
$piggyBank->order = $order;
$piggyBank->save();
return true;
}
/**
* @param User $user
*/
public function setUser(User $user): void
{
$this->user = $user;
}
/**
* @param array $data
*
* @return PiggyBank|null
*/
public function store(array $data): ?PiggyBank
{
$data['order'] = $this->getMaxOrder() + 1;
/** @var PiggyBank $piggyBank */
$piggyBank = PiggyBank::create($data);
$this->updateNote($piggyBank, $data['notes']);
// repetition is auto created.
$repetition = $this->getRepetition($piggyBank);
if (null !== $repetition && isset($data['current_amount'])) {
$repetition->currentamount = $data['current_amount'];
$repetition->save();
}
return $piggyBank;
}
/**
* @param PiggyBank $piggyBank
* @param array $data
*
* @return PiggyBank
*/
public function update(PiggyBank $piggyBank, array $data): PiggyBank
{
if (isset($data['name']) && '' !== $data['name']) {
$piggyBank->name = $data['name'];
}
if (isset($data['account_id']) && 0 !== $data['account_id']) {
$piggyBank->account_id = (int)$data['account_id'];
}
if (isset($data['targetamount']) && '' !== $data['targetamount']) {
$piggyBank->targetamount = $data['targetamount'];
}
if (isset($data['targetdate']) && '' !== $data['targetdate']) {
$piggyBank->targetdate = $data['targetdate'];
}
$piggyBank->startdate = $data['startdate'] ?? $piggyBank->startdate;
$piggyBank->save();
$this->updateNote($piggyBank, $data['notes'] ?? '');
// if the piggy bank is now smaller than the current relevant rep,
// remove money from the rep.
$repetition = $this->getRepetition($piggyBank);
if (null !== $repetition && $repetition->currentamount > $piggyBank->targetamount) {
$diff = bcsub($piggyBank->targetamount, $repetition->currentamount);
$this->createEvent($piggyBank, $diff);
$repetition->currentamount = $piggyBank->targetamount;
$repetition->save();
}
return $piggyBank;
}
/**
* @param PiggyBank $piggyBank
* @param string $amount
*
* @return PiggyBank
*/
public function setCurrentAmount(PiggyBank $piggyBank, string $amount): PiggyBank
{
$repetition = $this->getRepetition($piggyBank);
if (null === $repetition) {
return $piggyBank;
}
$max = $piggyBank->targetamount;
if (1 === bccomp($amount, $max)) {
$amount = $max;
}
$repetition->currentamount = $amount;
$repetition->save();
// create event
$this->createEvent($piggyBank, $amount);
return $piggyBank;
}
/**
* @param PiggyBank $piggyBank
* @param string $note
*
* @return bool
*/
private function updateNote(PiggyBank $piggyBank, string $note): bool
{
if ('' === $note) {
$dbNote = $piggyBank->notes()->first();
if (null !== $dbNote) {
try {
$dbNote->delete();
} catch (Exception $e) {
Log::debug(sprintf('Could not delete note: %s', $e->getMessage()));
}
}
return true;
}
$dbNote = $piggyBank->notes()->first();
if (null === $dbNote) {
$dbNote = new Note();
$dbNote->noteable()->associate($piggyBank);
}
$dbNote->text = trim($note);
$dbNote->save();
return true;
}
}