firefly-iii/database/seeders/ExchangeRateSeeder.php
2022-12-29 19:43:43 +01:00

121 lines
3.5 KiB
PHP

<?php
/*
* ExchangeRateSeeder.php
* Copyright (c) 2022 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 Database\Seeders;
use FireflyIII\Models\CurrencyExchangeRate;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\User;
use Illuminate\Database\Seeder;
use Illuminate\Support\Collection;
use Log;
/**
* Class ExchangeRateSeeder
*/
class ExchangeRateSeeder extends Seeder
{
private Collection $users;
/**
* @return void
*/
public function run(): void
{
$count = User::count();
if (0 === $count) {
Log::debug('Will not seed exchange rates yet.');
return;
}
$users = User::get();
$date = config('cer.date');
$rates = config('cer.rates');
$usable = [];
foreach ($rates as $rate) {
$from = $this->getCurrency($rate[0]);
$to = $this->getCurrency($rate[1]);
if (null !== $from && null !== $to) {
$usable[] = [$from, $to, $rate[2]];
}
}
unset($rates, $from, $to, $rate);
/** @var User $user */
foreach ($users as $user) {
foreach ($usable as $rate) {
if (!$this->hasRate($user, $rate[0], $rate[1], $date)) {
$this->addRate($user, $rate[0], $rate[1], $date, $rate[2]);
}
}
}
}
/**
* @param string $code
* @return TransactionCurrency|null
*/
private function getCurrency(string $code): ?TransactionCurrency
{
return TransactionCurrency::whereNull('deleted_at')->where('code', $code)->first();
}
/**
* @param User $user
* @param TransactionCurrency $from
* @param TransactionCurrency $to
* @param string $date
* @return bool
*/
private function hasRate(User $user, TransactionCurrency $from, TransactionCurrency $to, string $date): bool
{
return $user->currencyExchangeRates()
->where('from_currency_id', $from->id)
->where('to_currency_id', $to->id)
->where('date', $date)
->count() > 0;
}
/**
* @param User $user
* @param TransactionCurrency $from
* @param TransactionCurrency $to
* @param string $date
* @param float $rate
* @return void
*/
private function addRate(User $user, TransactionCurrency $from, TransactionCurrency $to, string $date, float $rate): void
{
/** @var User $user */
CurrencyExchangeRate::create(
[
'user_id' => $user->id,
'from_currency_id' => $from->id,
'to_currency_id' => $to->id,
'date' => $date,
'rate' => $rate,
]
);
}
}