Files
firefly-iii/app/Support/Http/Api/AccountBalanceGrouped.php
2025-09-07 14:49:49 +02:00

302 lines
13 KiB
PHP

<?php
/*
* AccountBalanceGrouped.php
* Copyright (c) 2023 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\Support\Http\Api;
use Carbon\Carbon;
use FireflyIII\Enums\TransactionTypeEnum;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Support\Facades\Amount;
use FireflyIII\Support\Facades\Navigation;
use FireflyIII\Support\Facades\Steam;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Log;
/**
* Class AccountBalanceGrouped
*/
class AccountBalanceGrouped
{
private array $accountIds;
private string $carbonFormat;
private readonly ExchangeRateConverter $converter;
private array $currencies = [];
private array $data = [];
private TransactionCurrency $primary;
private Carbon $end;
private array $journals = [];
private string $preferredRange;
private Carbon $start;
public function __construct()
{
$this->accountIds = [];
$this->converter = app(ExchangeRateConverter::class);
}
/**
* Convert the given input to a chart compatible array.
*/
public function convertToChartData(): array
{
$chartData = [];
// loop2: loop this data, make chart bars for each currency:
/** @var array $currency */
foreach ($this->data as $currency) {
// income and expense array prepped:
$income = [
'label' => 'earned',
'currency_id' => (string)$currency['currency_id'],
'currency_symbol' => $currency['currency_symbol'],
'currency_code' => $currency['currency_code'],
'currency_decimal_places' => $currency['currency_decimal_places'],
'primary_currency_id' => (string)$currency['primary_currency_id'],
'primary_currency_symbol' => $currency['primary_currency_symbol'],
'primary_currency_code' => $currency['primary_currency_code'],
'primary_currency_decimal_places' => $currency['primary_currency_decimal_places'],
'date' => $this->start->toAtomString(),
'start_date' => $this->start->toAtomString(),
'end_date' => $this->end->toAtomString(),
'yAxisID' => 0,
'type' => 'line',
'period' => $this->preferredRange,
'entries' => [],
'pc_entries' => [],
];
$expense = [
'label' => 'spent',
'currency_id' => (string)$currency['currency_id'],
'currency_symbol' => $currency['currency_symbol'],
'currency_code' => $currency['currency_code'],
'currency_decimal_places' => $currency['currency_decimal_places'],
'primary_currency_id' => (string)$currency['primary_currency_id'],
'primary_currency_symbol' => $currency['primary_currency_symbol'],
'primary_currency_code' => $currency['primary_currency_code'],
'primary_currency_decimal_places' => $currency['primary_currency_decimal_places'],
'date' => $this->start->toAtomString(),
'start_date' => $this->start->toAtomString(),
'end_date' => $this->end->toAtomString(),
'type' => 'line',
'yAxisID' => 0,
'period' => $this->preferredRange,
'entries' => [],
'pc_entries' => [],
];
// loop all possible periods between $start and $end, and add them to the correct dataset.
$currentStart = clone $this->start;
while ($currentStart <= $this->end) {
$key = $currentStart->format($this->carbonFormat);
$label = $currentStart->toAtomString();
// normal entries
$income['entries'][$label] = Steam::bcround($currency[$key]['earned'] ?? '0', $currency['currency_decimal_places']);
$expense['entries'][$label] = Steam::bcround($currency[$key]['spent'] ?? '0', $currency['currency_decimal_places']);
// converted entries
$income['pc_entries'][$label] = Steam::bcround($currency[$key]['pc_earned'] ?? '0', $currency['primary_currency_decimal_places']);
$expense['pc_entries'][$label] = Steam::bcround($currency[$key]['pc_spent'] ?? '0', $currency['primary_currency_decimal_places']);
// next loop
$currentStart = Navigation::addPeriod($currentStart, $this->preferredRange, 0);
}
$chartData[] = $income;
$chartData[] = $expense;
}
return $chartData;
}
/**
* Group the given journals by currency and then by period.
* If they are part of a set of accounts this basically means it's balance chart.
*/
public function groupByCurrencyAndPeriod(): void
{
Log::debug(sprintf('Created new ExchangeRateConverter in %s', __METHOD__));
$converter = new ExchangeRateConverter();
// loop. group by currency and by period.
/** @var array $journal */
foreach ($this->journals as $journal) {
$this->processJournal($journal);
}
$converter->summarize();
}
private function processJournal(array $journal): void
{
// format the date according to the period
$period = $journal['date']->format($this->carbonFormat);
$currencyId = (int)$journal['currency_id'];
$currency = $this->findCurrency($currencyId);
// set the array with monetary info, if it does not exist.
$this->createDefaultDataEntry($journal);
// set the array (in monetary info) with spent/earned in this $period, if it does not exist.
$this->createDefaultPeriodEntry($journal);
// is this journal's amount in- our outgoing?
$key = $this->getDataKey($journal);
$amount = 'spent' === $key ? Steam::negative($journal['amount']) : Steam::positive($journal['amount']);
// get conversion rate
$rate = $this->getRate($currency, $journal['date']);
$amountConverted = bcmul($amount, $rate);
// perhaps transaction already has the foreign amount in the primary currency.
if ((int)$journal['foreign_currency_id'] === $this->primary->id) {
$amountConverted = $journal['foreign_amount'] ?? '0';
$amountConverted = 'earned' === $key ? Steam::positive($amountConverted) : Steam::negative($amountConverted);
}
// add normal entry
$this->data[$currencyId][$period][$key] = bcadd((string)$this->data[$currencyId][$period][$key], $amount);
// add converted entry
$convertedKey = sprintf('pc_%s', $key);
$this->data[$currencyId][$period][$convertedKey] = bcadd((string)$this->data[$currencyId][$period][$convertedKey], $amountConverted);
}
private function findCurrency(int $currencyId): TransactionCurrency
{
if (array_key_exists($currencyId, $this->currencies)) {
return $this->currencies[$currencyId];
}
$this->currencies[$currencyId] = Amount::getTransactionCurrencyById($currencyId);
return $this->currencies[$currencyId];
}
private function createDefaultDataEntry(array $journal): void
{
$currencyId = (int)$journal['currency_id'];
$this->data[$currencyId] ??= [
'currency_id' => (string)$currencyId,
'currency_symbol' => $journal['currency_symbol'],
'currency_code' => $journal['currency_code'],
'currency_name' => $journal['currency_name'],
'currency_decimal_places' => $journal['currency_decimal_places'],
// primary currency info (could be the same)
'primary_currency_id' => (string)$this->primary->id,
'primary_currency_code' => $this->primary->code,
'primary_currency_symbol' => $this->primary->symbol,
'primary_currency_decimal_places' => $this->primary->decimal_places,
];
}
private function createDefaultPeriodEntry(array $journal): void
{
$currencyId = (int)$journal['currency_id'];
$period = $journal['date']->format($this->carbonFormat);
$this->data[$currencyId][$period] ??= [
'period' => $period,
'spent' => '0',
'earned' => '0',
'pc_spent' => '0',
'pc_earned' => '0',
];
}
private function getDataKey(array $journal): string
{
// deposit = incoming
// transfer or reconcile or opening balance, and these accounts are the destination.
if (
TransactionTypeEnum::DEPOSIT->value === $journal['transaction_type_type']
|| (
(
TransactionTypeEnum::TRANSFER->value === $journal['transaction_type_type']
|| TransactionTypeEnum::RECONCILIATION->value === $journal['transaction_type_type']
|| TransactionTypeEnum::OPENING_BALANCE->value === $journal['transaction_type_type']
)
&& in_array($journal['destination_account_id'], $this->accountIds, true)
)
) {
return 'earned';
}
return 'spent';
}
private function getRate(TransactionCurrency $currency, Carbon $date): string
{
try {
$rate = $this->converter->getCurrencyRate($currency, $this->primary, $date);
} catch (FireflyException $e) {
app('log')->error($e->getMessage());
$rate = '1';
}
return $rate;
}
public function setAccounts(Collection $accounts): void
{
$this->accountIds = $accounts->pluck('id')->toArray();
}
public function setPrimary(TransactionCurrency $primary): void
{
$this->primary = $primary;
$primaryCurrencyId = $primary->id;
$this->currencies = [$primary->id => $primary]; // currency cache
$this->data[$primaryCurrencyId] = [
'currency_id' => (string)$primaryCurrencyId,
'currency_symbol' => $primary->symbol,
'currency_code' => $primary->code,
'currency_name' => $primary->name,
'currency_decimal_places' => $primary->decimal_places,
'primary_currency_id' => (string)$primaryCurrencyId,
'primary_currency_symbol' => $primary->symbol,
'primary_currency_code' => $primary->code,
'primary_currency_name' => $primary->name,
'primary_currency_decimal_places' => $primary->decimal_places,
];
}
public function setEnd(Carbon $end): void
{
$this->end = $end;
}
public function setJournals(array $journals): void
{
$this->journals = $journals;
}
public function setPreferredRange(string $preferredRange): void
{
$this->preferredRange = $preferredRange;
$this->carbonFormat = Navigation::preferredCarbonFormatByPeriod($preferredRange);
}
public function setStart(Carbon $start): void
{
$this->start = $start;
}
}