firefly-iii/app/Transformers/V2/PiggyBankTransformer.php
2024-03-09 19:46:16 +01:00

268 lines
12 KiB
PHP

<?php
/**
* PiggyBankTransformer.php
* Copyright (c) 2019 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\Transformers\V2;
use Carbon\Carbon;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountMeta;
use FireflyIII\Models\Note;
use FireflyIII\Models\ObjectGroup;
use FireflyIII\Models\PiggyBank;
use FireflyIII\Models\PiggyBankRepetition;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\Support\Http\Api\ExchangeRateConverter;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
/**
* Class PiggyBankTransformer
*/
class PiggyBankTransformer extends AbstractTransformer
{
// private AccountRepositoryInterface $accountRepos;
// private CurrencyRepositoryInterface $currencyRepos;
// private PiggyBankRepositoryInterface $piggyRepos;
private array $accounts;
private ExchangeRateConverter $converter;
private array $currencies;
private TransactionCurrency $default;
private array $groups;
private array $notes;
private array $repetitions;
/**
* PiggyBankTransformer constructor.
*/
public function __construct()
{
$this->notes = [];
$this->accounts = [];
$this->groups = [];
$this->currencies = [];
$this->repetitions = [];
// $this->
// $this->currencyRepos = app(CurrencyRepositoryInterface::class);
// $this->piggyRepos = app(PiggyBankRepositoryInterface::class);
}
public function collectMetaData(Collection $objects): Collection
{
// TODO move to repository (does not exist yet)
$piggyBanks = $objects->pluck('id')->toArray();
$accountInfo = Account::whereIn('id', $objects->pluck('account_id')->toArray())->get();
$currencyPreferences = AccountMeta::where('name', '"currency_id"')->whereIn('account_id', $objects->pluck('account_id')->toArray())->get();
$currencies = [];
/** @var Account $account */
foreach ($accountInfo as $account) {
$id = $account->id;
$this->accounts[$id] = [
'name' => $account->name,
];
}
/** @var AccountMeta $preference */
foreach ($currencyPreferences as $preference) {
$currencyId = (int)$preference->data;
$accountId = $preference->account_id;
$currencies[$currencyId] ??= TransactionJournal::find($currencyId);
$this->currencies[$accountId] = $currencies[$currencyId];
}
// grab object groups:
$set = DB::table('object_groupables')
->leftJoin('object_groups', 'object_groups.id', '=', 'object_groupables.object_group_id')
->where('object_groupables.object_groupable_type', PiggyBank::class)
->get(['object_groupables.*', 'object_groups.title', 'object_groups.order'])
;
/** @var ObjectGroup $entry */
foreach ($set as $entry) {
$piggyBankId = (int)$entry->object_groupable_id;
$id = (int)$entry->object_group_id;
$order = $entry->order;
$this->groups[$piggyBankId] = [
'object_group_id' => (string)$id,
'object_group_title' => $entry->title,
'object_group_order' => $order,
];
}
// grab repetitions (for current amount):
$repetitions = PiggyBankRepetition::whereIn('piggy_bank_id', $piggyBanks)->get();
/** @var PiggyBankRepetition $repetition */
foreach ($repetitions as $repetition) {
$this->repetitions[$repetition->piggy_bank_id] = [
'amount' => $repetition->currentamount,
];
}
// grab notes
// continue with notes
$notes = Note::whereNoteableType(PiggyBank::class)->whereIn('noteable_id', array_keys($piggyBanks))->get();
/** @var Note $note */
foreach ($notes as $note) {
$id = $note->noteable_id;
$this->notes[$id] = $note;
}
Log::debug(sprintf('Created new ExchangeRateConverter in %s', __METHOD__));
$this->default = app('amount')->getDefaultCurrencyByUserGroup(auth()->user()->userGroup);
$this->converter = new ExchangeRateConverter();
return $objects;
}
/**
* Transform the piggy bank.
*
* @throws FireflyException
*/
public function transform(PiggyBank $piggyBank): array
{
// $account = $piggyBank->account;
// $this->accountRepos->setUser($account->user);
// $this->currencyRepos->setUser($account->user);
// $this->piggyRepos->setUser($account->user);
// get currency from account, or use default.
// $currency = $this->accountRepos->getAccountCurrency($account) ?? app('amount')->getDefaultCurrencyByUser($account->user);
// note
// $notes = $this->piggyRepos->getNoteText($piggyBank);
// $notes = '' === $notes ? null : $notes;
// $objectGroupId = null;
// $objectGroupOrder = null;
// $objectGroupTitle = null;
// /** @var ObjectGroup $objectGroup */
// $objectGroup = $piggyBank->objectGroups->first();
// if (null !== $objectGroup) {
// $objectGroupId = (int)$objectGroup->id;
// $objectGroupOrder = (int)$objectGroup->order;
// $objectGroupTitle = $objectGroup->title;
// }
// get currently saved amount:
// $currentAmount = app('steam')->bcround($this->piggyRepos->getCurrentAmount($piggyBank), $currency->decimal_places);
$percentage = null;
$leftToSave = null;
$nativeLeftToSave = null;
$savePerMonth = null;
$nativeSavePerMonth = null;
$startDate = $piggyBank->startdate?->format('Y-m-d');
$targetDate = $piggyBank->targetdate?->format('Y-m-d');
$accountId = $piggyBank->account_id;
$accountName = $this->accounts[$accountId]['name'] ?? null;
$currency = $this->currencies[$accountId] ?? $this->default;
$currentAmount = app('steam')->bcround($this->repetitions[$piggyBank->id]['amount'] ?? '0', $currency->decimal_places);
$nativeCurrentAmount = $this->converter->convert($this->default, $currency, today(), $currentAmount);
$targetAmount = $piggyBank->targetamount;
$nativeTargetAmount = $this->converter->convert($this->default, $currency, today(), $targetAmount);
$note = $this->notes[$piggyBank->id] ?? null;
$group = $this->groups[$piggyBank->id] ?? null;
if (0 !== bccomp($targetAmount, '0')) { // target amount is not 0.00
$leftToSave = bcsub($targetAmount, $currentAmount);
$nativeLeftToSave = $this->converter->convert($this->default, $currency, today(), $leftToSave);
$percentage = (int)bcmul(bcdiv($currentAmount, $targetAmount), '100');
$savePerMonth = $this->getSuggestedMonthlyAmount($currentAmount, $targetAmount, $piggyBank->startdate, $piggyBank->targetdate);
$nativeSavePerMonth = $this->converter->convert($this->default, $currency, today(), $savePerMonth);
}
$this->converter->summarize();
return [
'id' => (string)$piggyBank->id,
'created_at' => $piggyBank->created_at->toAtomString(),
'updated_at' => $piggyBank->updated_at->toAtomString(),
'account_id' => (string)$piggyBank->account_id,
'account_name' => $accountName,
'name' => $piggyBank->name,
'currency_id' => (string)$currency->id,
'currency_code' => $currency->code,
'currency_symbol' => $currency->symbol,
'currency_decimal_places' => $currency->decimal_places,
'native_currency_id' => (string)$this->default->id,
'native_currency_code' => $this->default->code,
'native_currency_symbol' => $this->default->symbol,
'native_currency_decimal_places' => $this->default->decimal_places,
'current_amount' => $currentAmount,
'native_current_amount' => $nativeCurrentAmount,
'target_amount' => $targetAmount,
'native_target_amount' => $nativeTargetAmount,
'percentage' => $percentage,
'left_to_save' => $leftToSave,
'native_left_to_save' => $nativeLeftToSave,
'save_per_month' => $savePerMonth,
'native_save_per_month' => $nativeSavePerMonth,
'start_date' => $startDate,
'target_date' => $targetDate,
'order' => $piggyBank->order,
'active' => $piggyBank->active,
'notes' => $note,
'object_group_id' => $group ? $group['object_group_id'] : null,
'object_group_order' => $group ? $group['object_group_order'] : null,
'object_group_title' => $group ? $group['object_group_title'] : null,
'links' => [
[
'rel' => 'self',
'uri' => '/piggy_banks/'.$piggyBank->id,
],
],
];
}
private function getSuggestedMonthlyAmount(string $currentAmount, string $targetAmount, ?Carbon $startDate, ?Carbon $targetDate): string
{
$savePerMonth = '0';
if (null === $targetDate) {
return '0';
}
if (bccomp($currentAmount, $targetAmount) < 1) {
$now = today(config('app.timezone'));
$startDate = null !== $startDate && $startDate->gte($now) ? $startDate : $now;
$diffInMonths = $startDate->diffInMonths($targetDate, false);
$remainingAmount = bcsub($targetAmount, $currentAmount);
// more than 1 month to go and still need money to save:
if ($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;
}
}