firefly-iii/app/Http/Controllers/Chart/BudgetReportController.php
2017-12-17 14:41:58 +01:00

274 lines
10 KiB
PHP

<?php
/**
* BudgetReportController.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\Http\Controllers\Chart;
use Carbon\Carbon;
use FireflyIII\Generator\Chart\Basic\GeneratorInterface;
use FireflyIII\Helpers\Chart\MetaPieChartInterface;
use FireflyIII\Helpers\Collector\JournalCollectorInterface;
use FireflyIII\Helpers\Filter\OpposingAccountFilter;
use FireflyIII\Helpers\Filter\PositiveAmountFilter;
use FireflyIII\Helpers\Filter\TransferFilter;
use FireflyIII\Http\Controllers\Controller;
use FireflyIII\Models\Budget;
use FireflyIII\Models\BudgetLimit;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Support\CacheProperties;
use Illuminate\Support\Collection;
use Response;
/**
* Separate controller because many helper functions are shared.
*
* Class BudgetReportController
*/
class BudgetReportController extends Controller
{
/** @var BudgetRepositoryInterface */
private $budgetRepository;
/** @var GeneratorInterface */
private $generator;
/**
*
*/
public function __construct()
{
parent::__construct();
$this->middleware(
function ($request, $next) {
$this->generator = app(GeneratorInterface::class);
$this->budgetRepository = app(BudgetRepositoryInterface::class);
return $next($request);
}
);
}
/**
* @param Collection $accounts
* @param Collection $budgets
* @param Carbon $start
* @param Carbon $end
* @param string $others
*
* @return \Illuminate\Http\JsonResponse
*/
public function accountExpense(Collection $accounts, Collection $budgets, Carbon $start, Carbon $end, string $others)
{
/** @var MetaPieChartInterface $helper */
$helper = app(MetaPieChartInterface::class);
$helper->setAccounts($accounts);
$helper->setBudgets($budgets);
$helper->setStart($start);
$helper->setEnd($end);
$helper->setCollectOtherObjects(1 === intval($others));
$chartData = $helper->generate('expense', 'account');
$data = $this->generator->pieChart($chartData);
return Response::json($data);
}
/**
* @param Collection $accounts
* @param Collection $budgets
* @param Carbon $start
* @param Carbon $end
* @param string $others
*
* @return \Illuminate\Http\JsonResponse
*/
public function budgetExpense(Collection $accounts, Collection $budgets, Carbon $start, Carbon $end, string $others)
{
/** @var MetaPieChartInterface $helper */
$helper = app(MetaPieChartInterface::class);
$helper->setAccounts($accounts);
$helper->setBudgets($budgets);
$helper->setStart($start);
$helper->setEnd($end);
$helper->setCollectOtherObjects(1 === intval($others));
$chartData = $helper->generate('expense', 'budget');
$data = $this->generator->pieChart($chartData);
return Response::json($data);
}
/**
* @param Collection $accounts
* @param Collection $budgets
* @param Carbon $start
* @param Carbon $end
*
* @return \Illuminate\Http\JsonResponse
*/
public function mainChart(Collection $accounts, Collection $budgets, Carbon $start, Carbon $end)
{
$cache = new CacheProperties;
$cache->addProperty('chart.budget.report.main');
$cache->addProperty($accounts);
$cache->addProperty($budgets);
$cache->addProperty($start);
$cache->addProperty($end);
if ($cache->has()) {
return Response::json($cache->get()); // @codeCoverageIgnore
}
$format = app('navigation')->preferredCarbonLocalizedFormat($start, $end);
$function = app('navigation')->preferredEndOfPeriod($start, $end);
$chartData = [];
$currentStart = clone $start;
// prep chart data:
foreach ($budgets as $budget) {
$chartData[$budget->id] = [
'label' => strval(trans('firefly.spent_in_specific_budget', ['budget' => $budget->name])),
'type' => 'bar',
'yAxisID' => 'y-axis-0',
'entries' => [],
];
$chartData[$budget->id . '-sum'] = [
'label' => strval(trans('firefly.sum_of_expenses_in_budget', ['budget' => $budget->name])),
'type' => 'line',
'fill' => false,
'yAxisID' => 'y-axis-1',
'entries' => [],
];
$chartData[$budget->id . '-left'] = [
'label' => strval(trans('firefly.left_in_budget_limit', ['budget' => $budget->name])),
'type' => 'bar',
'fill' => false,
'yAxisID' => 'y-axis-0',
'entries' => [],
];
}
$allBudgetLimits = $this->budgetRepository->getAllBudgetLimits($start, $end);
$sumOfExpenses = [];
$leftOfLimits = [];
while ($currentStart < $end) {
$currentEnd = clone $currentStart;
$currentEnd = $currentEnd->$function();
$expenses = $this->groupByBudget($this->getExpenses($accounts, $budgets, $currentStart, $currentEnd));
$label = $currentStart->formatLocalized($format);
/** @var Budget $budget */
foreach ($budgets as $budget) {
// get budget limit(s) for this period):
$budgetLimits = $this->filterBudgetLimits($allBudgetLimits, $budget, $currentStart, $currentEnd);
$currentExpenses = $expenses[$budget->id] ?? '0';
$sumOfExpenses[$budget->id] = $sumOfExpenses[$budget->id] ?? '0';
$sumOfExpenses[$budget->id] = bcadd($currentExpenses, $sumOfExpenses[$budget->id]);
$chartData[$budget->id]['entries'][$label] = bcmul($currentExpenses, '-1');
$chartData[$budget->id . '-sum']['entries'][$label] = bcmul($sumOfExpenses[$budget->id], '-1');
if (count($budgetLimits) > 0) {
$budgetLimitId = $budgetLimits->first()->id;
$leftOfLimits[$budgetLimitId] = $leftOfLimits[$budgetLimitId] ?? strval($budgetLimits->sum('amount'));
$leftOfLimits[$budgetLimitId] = bcadd($leftOfLimits[$budgetLimitId], $currentExpenses);
$chartData[$budget->id . '-left']['entries'][$label] = $leftOfLimits[$budgetLimitId];
}
}
$currentStart = clone $currentEnd;
$currentStart->addDay();
}
$data = $this->generator->multiSet($chartData);
$cache->store($data);
return Response::json($data);
}
/**
* Returns the budget limits belonging to the given budget and valid on the given day.
*
* @param Collection $budgetLimits
* @param Budget $budget
* @param Carbon $start
* @param Carbon $end
*
* @return Collection
*/
private function filterBudgetLimits(Collection $budgetLimits, Budget $budget, Carbon $start, Carbon $end): Collection
{
$set = $budgetLimits->filter(
function (BudgetLimit $budgetLimit) use ($budget, $start, $end) {
if ($budgetLimit->budget_id === $budget->id
&& $budgetLimit->start_date->lte($start) // start of budget limit is on or before start
&& $budgetLimit->end_date->gte($end) // end of budget limit is on or after end
) {
return $budgetLimit;
}
return false;
}
);
return $set;
}
/**
* @param Collection $accounts
* @param Collection $budgets
* @param Carbon $start
* @param Carbon $end
*
* @return Collection
*/
private function getExpenses(Collection $accounts, Collection $budgets, Carbon $start, Carbon $end): Collection
{
/** @var JournalCollectorInterface $collector */
$collector = app(JournalCollectorInterface::class);
$collector->setAccounts($accounts)->setRange($start, $end)->setTypes([TransactionType::WITHDRAWAL, TransactionType::TRANSFER])
->setBudgets($budgets)->withOpposingAccount();
$collector->removeFilter(TransferFilter::class);
$collector->addFilter(OpposingAccountFilter::class);
$collector->addFilter(PositiveAmountFilter::class);
$transactions = $collector->getJournals();
return $transactions;
}
/**
* @param Collection $set
*
* @return array
*/
private function groupByBudget(Collection $set): array
{
// group by category ID:
$grouped = [];
/** @var Transaction $transaction */
foreach ($set as $transaction) {
$jrnlBudId = intval($transaction->transaction_journal_budget_id);
$transBudId = intval($transaction->transaction_budget_id);
$budgetId = max($jrnlBudId, $transBudId);
$grouped[$budgetId] = $grouped[$budgetId] ?? '0';
$grouped[$budgetId] = bcadd($transaction->transaction_amount, $grouped[$budgetId]);
}
return $grouped;
}
}