firefly-iii/app/Jobs/CreateAutoBudgetLimits.php
2021-09-19 08:28:10 +02:00

308 lines
11 KiB
PHP

<?php
/**
* CreateAutoBudgetLimits.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\Jobs;
use Carbon\Carbon;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\AutoBudget;
use FireflyIII\Models\Budget;
use FireflyIII\Models\BudgetLimit;
use FireflyIII\Repositories\Budget\OperationsRepositoryInterface;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Collection;
use Log;
/**
* Class CreateAutoBudgetLimits
*/
class CreateAutoBudgetLimits implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
private Carbon $date;
/**
* Create a new job instance.
*
* @codeCoverageIgnore
*
* @param Carbon|null $date
*/
public function __construct(?Carbon $date)
{
if (null !== $date) {
$newDate = clone $date;
$newDate->startOfDay();
$this->date = $newDate;
Log::debug(sprintf('Created new CreateAutoBudgetLimits("%s")', $this->date->format('Y-m-d')));
}
}
/**
* Execute the job.
*
* @throws FireflyException
*/
public function handle(): void
{
Log::debug(sprintf('Now at start of CreateAutoBudgetLimits() job for %s.', $this->date->format('D d M Y')));
$autoBudgets = AutoBudget::get();
Log::debug(sprintf('Found %d auto budgets.', $autoBudgets->count()));
foreach ($autoBudgets as $autoBudget) {
$this->handleAutoBudget($autoBudget);
}
}
/**
* @param AutoBudget $autoBudget
*
* @throws FireflyException
*/
private function handleAutoBudget(AutoBudget $autoBudget): void
{
if (null === $autoBudget->budget) {
Log::info(sprintf('Auto budget #%d is associated with a deleted budget.', $autoBudget->id));
$autoBudget->delete();
return;
}
if (false === $autoBudget->budget->active) {
Log::info(sprintf('Auto budget #%d is associated with an inactive budget.', $autoBudget->id));
return;
}
if (!$this->isMagicDay($autoBudget)) {
Log::info(
sprintf(
'Today (%s) is not a magic day for %s auto-budget #%d (part of budget #%d "%s")',
$this->date->format('Y-m-d'),
$autoBudget->period,
$autoBudget->id,
$autoBudget->budget->id,
$autoBudget->budget->name
)
);
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
return;
}
Log::info(
sprintf(
'Today (%s) is a magic day for %s auto-budget #%d (part of budget #%d "%s")',
$this->date->format('Y-m-d'),
$autoBudget->period,
$autoBudget->id,
$autoBudget->budget->id,
$autoBudget->budget->name
)
);
// get date range for budget limit, based on range in auto-budget
$start = app('navigation')->startOfPeriod($this->date, $autoBudget->period);
$end = app('navigation')->endOfPeriod($start, $autoBudget->period);
// find budget limit:
$budgetLimit = $this->findBudgetLimit($autoBudget->budget, $start, $end);
if (null === $budgetLimit && AutoBudget::AUTO_BUDGET_RESET === (int)$autoBudget->auto_budget_type) {
// that's easy: create one.
// do nothing else.
$this->createBudgetLimit($autoBudget, $start, $end);
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
return;
}
if (null === $budgetLimit && AutoBudget::AUTO_BUDGET_ROLLOVER === (int)$autoBudget->auto_budget_type) {
// budget limit exists already,
$this->createRollover($autoBudget);
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
return;
}
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
}
/**
* @param AutoBudget $autoBudget
*
* @return bool
* @throws FireflyException
*/
private function isMagicDay(AutoBudget $autoBudget): bool
{
switch ($autoBudget->period) {
default:
throw new FireflyException(sprintf('isMagicDay() can\'t handle period "%s"', $autoBudget->period));
case 'daily':
// every day is magic!
return true;
case 'weekly':
// fire on Monday.
return $this->date->isMonday();
case 'monthly':
return 1 === $this->date->day;
case 'quarterly':
$format = 'm-d';
$value = $this->date->format($format);
return in_array($value, ['01-01', '04-01', '07-01', '10-01'], true);
case 'half_year':
$format = 'm-d';
$value = $this->date->format($format);
return in_array($value, ['01-01', '07-01'], true);
case 'yearly':
$format = 'm-d';
$value = $this->date->format($format);
return '01-01' === $value;
}
}
/**
* @param Budget $budget
* @param Carbon $start
* @param Carbon $end
*
* @return BudgetLimit|null
*/
private function findBudgetLimit(Budget $budget, Carbon $start, Carbon $end): ?BudgetLimit
{
Log::debug(
sprintf(
'Going to find a budget limit for budget #%d ("%s") between %s and %s',
$budget->id,
$budget->name,
$start->format('Y-m-d'),
$end->format('Y-m-d')
)
);
return $budget->budgetlimits()
->where('start_date', $start->format('Y-m-d'))
->where('end_date', $end->format('Y-m-d'))->first();
}
/**
* @param AutoBudget $autoBudget
* @param Carbon $start
* @param Carbon $end
* @param string|null $amount
*/
private function createBudgetLimit(AutoBudget $autoBudget, Carbon $start, Carbon $end, ?string $amount = null)
{
Log::debug(sprintf('No budget limit exist. Must create one for auto-budget #%d', $autoBudget->id));
if (null !== $amount) {
Log::debug(sprintf('Amount is overruled and will be set to %s', $amount));
}
$budgetLimit = new BudgetLimit;
$budgetLimit->budget()->associate($autoBudget->budget);
$budgetLimit->transactionCurrency()->associate($autoBudget->transactionCurrency);
$budgetLimit->start_date = $start;
$budgetLimit->end_date = $end;
$budgetLimit->amount = $amount ?? $autoBudget->amount;
$budgetLimit->period = $autoBudget->period;
$budgetLimit->generated = true;
$budgetLimit->save();
Log::debug(sprintf('Created budget limit #%d.', $budgetLimit->id));
}
/**
* @param AutoBudget $autoBudget
*
* @throws FireflyException
*/
private function createRollover(AutoBudget $autoBudget): void
{
Log::debug(sprintf('Will now manage rollover for auto budget #%d', $autoBudget->id));
// current period:
$start = app('navigation')->startOfPeriod($this->date, $autoBudget->period);
$end = app('navigation')->endOfPeriod($start, $autoBudget->period);
// which means previous period:
$previousStart = app('navigation')->subtractPeriod($start, $autoBudget->period);
$previousEnd = app('navigation')->endOfPeriod($previousStart, $autoBudget->period);
Log::debug(
sprintf(
'Current period is %s-%s, so previous period is %s-%s',
$start->format('Y-m-d'),
$end->format('Y-m-d'),
$previousStart->format('Y-m-d'),
$previousEnd->format('Y-m-d')
)
);
// has budget limit in previous period?
$budgetLimit = $this->findBudgetLimit($autoBudget->budget, $previousStart, $previousEnd);
if (null === $budgetLimit) {
Log::debug('No budget limit exists in previous period, so create one.');
// if not, create it and we're done.
$this->createBudgetLimit($autoBudget, $start, $end);
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
return;
}
Log::debug('Budget limit exists for previous period.');
// if has one, calculate expenses and use that as a base.
$repository = app(OperationsRepositoryInterface::class);
$repository->setUser($autoBudget->budget->user);
$spent = $repository->sumExpenses($previousStart, $previousEnd, null, new Collection([$autoBudget->budget]), $autoBudget->transactionCurrency);
$currencyId = (int)$autoBudget->transaction_currency_id;
$spentAmount = $spent[$currencyId]['sum'] ?? '0';
Log::debug(sprintf('Spent in previous budget period (%s-%s) is %s', $previousStart->format('Y-m-d'), $previousEnd->format('Y-m-d'), $spentAmount));
// previous budget limit + this period + spent
$totalAmount = bcadd(bcadd($budgetLimit->amount, $autoBudget->amount), $spentAmount);
Log::debug(sprintf('Total amount for current budget period will be %s', $totalAmount));
if (1 !== bccomp($totalAmount, '0')) {
Log::info(sprintf('The total amount is negative, so it will be reset to %s.', $totalAmount));
$totalAmount = $autoBudget->amount;
}
// create budget limit:
$this->createBudgetLimit($autoBudget, $start, $end, $totalAmount);
Log::debug(sprintf('Done with auto budget #%d', $autoBudget->id));
}
/**
* @param Carbon $date
*/
public function setDate(Carbon $date): void
{
$newDate = clone $date;
$newDate->startOfDay();
$this->date = $newDate;
}
}