Files
firefly-iii/app/Support/Report/Budget/BudgetReportGenerator.php
2024-12-22 20:37:54 +01:00

353 lines
16 KiB
PHP

<?php
/*
* BudgetReportGenerator.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\Support\Report\Budget;
use Carbon\Carbon;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\Budget;
use FireflyIII\Models\BudgetLimit;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Repositories\Budget\BudgetLimitRepositoryInterface;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Repositories\Budget\NoBudgetRepositoryInterface;
use FireflyIII\Repositories\Budget\OperationsRepositoryInterface;
use FireflyIII\User;
use Illuminate\Support\Collection;
/**
* Class BudgetReportGenerator
*
* This class is basically a very long for-each loop disguised as a class. It's readable but not really OOP.
*/
class BudgetReportGenerator
{
private Collection $accounts;
private BudgetLimitRepositoryInterface $blRepository;
private Collection $budgets;
private TransactionCurrency $currency;
private Carbon $end;
private NoBudgetRepositoryInterface $nbRepository;
private OperationsRepositoryInterface $opsRepository;
private array $report;
private BudgetRepositoryInterface $repository;
private Carbon $start;
/**
* BudgetReportGenerator constructor.
*/
public function __construct()
{
$this->repository = app(BudgetRepositoryInterface::class);
$this->blRepository = app(BudgetLimitRepositoryInterface::class);
$this->opsRepository = app(OperationsRepositoryInterface::class);
$this->nbRepository = app(NoBudgetRepositoryInterface::class);
$this->report = [];
}
/**
* Returns the data necessary for the "account per budget" block on the budget report.
*/
public function accountPerBudget(): void
{
$spent = $this->opsRepository->listExpenses($this->start, $this->end, $this->accounts, $this->budgets);
$this->report = [];
/** @var Account $account */
foreach ($this->accounts as $account) {
$accountId = $account->id;
$this->report[$accountId] ??= [
'name' => $account->name,
'id' => $account->id,
'iban' => $account->iban,
'currencies' => [],
];
}
// loop expenses.
foreach ($spent as $currency) {
$this->processExpenses($currency);
}
}
/**
* Process each row of expenses collected for the "Account per budget" partial
*/
private function processExpenses(array $expenses): void
{
foreach ($expenses['budgets'] as $budget) {
$this->processBudgetExpenses($expenses, $budget);
}
}
/**
* Process each set of transactions for each row of expenses.
*/
private function processBudgetExpenses(array $expenses, array $budget): void
{
$budgetId = (int) $budget['id'];
$currencyId = (int) $expenses['currency_id'];
foreach ($budget['transaction_journals'] as $journal) {
$sourceAccountId = $journal['source_account_id'];
$this->report[$sourceAccountId]['currencies'][$currencyId]
??= [
'currency_id' => $expenses['currency_id'],
'currency_symbol' => $expenses['currency_symbol'],
'currency_name' => $expenses['currency_name'],
'currency_decimal_places' => $expenses['currency_decimal_places'],
'budgets' => [],
];
$this->report[$sourceAccountId]['currencies'][$currencyId]['budgets'][$budgetId]
??= '0';
$this->report[$sourceAccountId]['currencies'][$currencyId]['budgets'][$budgetId]
= bcadd($this->report[$sourceAccountId]['currencies'][$currencyId]['budgets'][$budgetId], $journal['amount']);
}
}
/**
* Generates the data necessary to create the card that displays
* the budget overview in the general report.
*/
public function general(): void
{
$this->report = [
'budgets' => [],
'sums' => [],
];
$this->generalBudgetReport();
$this->noBudgetReport();
$this->percentageReport();
}
/**
* Start the budgets block on the default report by processing every budget.
*/
private function generalBudgetReport(): void
{
$budgetList = $this->repository->getBudgets();
/** @var Budget $budget */
foreach ($budgetList as $budget) {
$this->processBudget($budget);
}
}
/**
* Process expenses etc. for a single budget for the budgets block on the default report.
*/
private function processBudget(Budget $budget): void
{
$budgetId = $budget->id;
$this->report['budgets'][$budgetId] ??= [
'budget_id' => $budgetId,
'budget_name' => $budget->name,
'no_budget' => false,
'budget_limits' => [],
];
// get all budget limits for budget in period:
$limits = $this->blRepository->getBudgetLimits($budget, $this->start, $this->end);
/** @var BudgetLimit $limit */
foreach ($limits as $limit) {
$this->processLimit($budget, $limit);
}
}
/**
* Process a single budget limit for the budgets block on the default report.
*/
private function processLimit(Budget $budget, BudgetLimit $limit): void
{
$budgetId = $budget->id;
$limitId = $limit->id;
$limitCurrency = $limit->transactionCurrency ?? $this->currency;
$currencyId = $limitCurrency->id;
$expenses = $this->opsRepository->sumExpenses($limit->start_date, $limit->end_date, $this->accounts, new Collection([$budget]));
$spent = $expenses[$currencyId]['sum'] ?? '0';
$left = -1 === bccomp(bcadd($limit->amount, $spent), '0') ? '0' : bcadd($limit->amount, $spent);
$overspent = 1 === bccomp(bcmul($spent, '-1'), $limit->amount) ? bcadd($spent, $limit->amount) : '0';
$this->report['budgets'][$budgetId]['budget_limits'][$limitId] ??= [
'budget_limit_id' => $limitId,
'start_date' => $limit->start_date,
'end_date' => $limit->end_date,
'budgeted' => $limit->amount,
'budgeted_pct' => '0',
'spent' => $spent,
'spent_pct' => '0',
'left' => $left,
'overspent' => $overspent,
'currency_id' => $currencyId,
'currency_code' => $limitCurrency->code,
'currency_name' => $limitCurrency->name,
'currency_symbol' => $limitCurrency->symbol,
'currency_decimal_places' => $limitCurrency->decimal_places,
];
// make sum information:
$this->report['sums'][$currencyId]
??= [
'budgeted' => '0',
'spent' => '0',
'left' => '0',
'overspent' => '0',
'currency_id' => $currencyId,
'currency_code' => $limitCurrency->code,
'currency_name' => $limitCurrency->name,
'currency_symbol' => $limitCurrency->symbol,
'currency_decimal_places' => $limitCurrency->decimal_places,
];
$this->report['sums'][$currencyId]['budgeted'] = bcadd($this->report['sums'][$currencyId]['budgeted'], $limit->amount);
$this->report['sums'][$currencyId]['spent'] = bcadd($this->report['sums'][$currencyId]['spent'], $spent);
$this->report['sums'][$currencyId]['left'] = bcadd($this->report['sums'][$currencyId]['left'], bcadd($limit->amount, $spent));
$this->report['sums'][$currencyId]['overspent'] = bcadd($this->report['sums'][$currencyId]['overspent'], $overspent);
}
/**
* Calculate the expenses for transactions without a budget. Part of the "budgets" block of the default report.
*/
private function noBudgetReport(): void
{
// add no budget info.
$this->report['budgets'][0] = [
'budget_id' => null,
'budget_name' => null,
'no_budget' => true,
'budget_limits' => [],
];
$noBudget = $this->nbRepository->sumExpenses($this->start, $this->end, $this->accounts);
foreach ($noBudget as $noBudgetEntry) {
// currency information:
$nbCurrencyId = (int) ($noBudgetEntry['currency_id'] ?? $this->currency->id);
$nbCurrencyCode = $noBudgetEntry['currency_code'] ?? $this->currency->code;
$nbCurrencyName = $noBudgetEntry['currency_name'] ?? $this->currency->name;
$nbCurrencySymbol = $noBudgetEntry['currency_symbol'] ?? $this->currency->symbol;
$nbCurrencyDp = $noBudgetEntry['currency_decimal_places'] ?? $this->currency->decimal_places;
$this->report['budgets'][0]['budget_limits'][] = [
'budget_limit_id' => null,
'start_date' => $this->start,
'end_date' => $this->end,
'budgeted' => '0',
'budgeted_pct' => '0',
'spent' => $noBudgetEntry['sum'],
'spent_pct' => '0',
'left' => '0',
'overspent' => '0',
'currency_id' => $nbCurrencyId,
'currency_code' => $nbCurrencyCode,
'currency_name' => $nbCurrencyName,
'currency_symbol' => $nbCurrencySymbol,
'currency_decimal_places' => $nbCurrencyDp,
];
$this->report['sums'][$nbCurrencyId]['spent'] = bcadd($this->report['sums'][$nbCurrencyId]['spent'] ?? '0', $noBudgetEntry['sum']);
// append currency info because it may be missing:
$this->report['sums'][$nbCurrencyId]['currency_id'] = $nbCurrencyId;
$this->report['sums'][$nbCurrencyId]['currency_code'] = $nbCurrencyCode;
$this->report['sums'][$nbCurrencyId]['currency_name'] = $nbCurrencyName;
$this->report['sums'][$nbCurrencyId]['currency_symbol'] = $nbCurrencySymbol;
$this->report['sums'][$nbCurrencyId]['currency_decimal_places'] = $nbCurrencyDp;
// append other sums because they might be missing:
$this->report['sums'][$nbCurrencyId]['overspent'] ??= '0';
$this->report['sums'][$nbCurrencyId]['left'] ??= '0';
$this->report['sums'][$nbCurrencyId]['budgeted'] ??= '0';
}
}
/**
* Calculate the percentages for each budget. Part of the "budgets" block on the default report.
*/
private function percentageReport(): void
{
// make percentages based on total amount.
foreach ($this->report['budgets'] as $budgetId => $data) {
foreach ($data['budget_limits'] as $limitId => $entry) {
$budgetId = (int) $budgetId;
$limitId = (int) $limitId;
$currencyId = (int) $entry['currency_id'];
$spent = $entry['spent'];
$totalSpent = $this->report['sums'][$currencyId]['spent'] ?? '0';
$spentPct = '0';
$budgeted = $entry['budgeted'];
$totalBudgeted = $this->report['sums'][$currencyId]['budgeted'] ?? '0';
$budgetedPct = '0';
if (0 !== bccomp($spent, '0') && 0 !== bccomp($totalSpent, '0')) {
$spentPct = round((float) bcmul(bcdiv($spent, $totalSpent), '100'));
}
if (0 !== bccomp($budgeted, '0') && 0 !== bccomp($totalBudgeted, '0')) {
$budgetedPct = round((float) bcmul(bcdiv($budgeted, $totalBudgeted), '100'));
}
$this->report['sums'][$currencyId]['budgeted'] ??= '0';
$this->report['budgets'][$budgetId]['budget_limits'][$limitId]['spent_pct'] = $spentPct;
$this->report['budgets'][$budgetId]['budget_limits'][$limitId]['budgeted_pct'] = $budgetedPct;
}
}
}
public function getReport(): array
{
return $this->report;
}
public function setAccounts(Collection $accounts): void
{
$this->accounts = $accounts;
}
public function setBudgets(Collection $budgets): void
{
$this->budgets = $budgets;
}
public function setEnd(Carbon $end): void
{
$this->end = $end;
}
public function setStart(Carbon $start): void
{
$this->start = $start;
}
/**
* @throws FireflyException
*/
public function setUser(User $user): void
{
$this->repository->setUser($user);
$this->blRepository->setUser($user);
$this->opsRepository->setUser($user);
$this->nbRepository->setUser($user);
$this->currency = app('amount')->getDefaultCurrencyByUserGroup($user->userGroup);
}
}