firefly-iii/app/Helpers/Chart/MetaPieChart.php
2019-06-07 18:20:15 +02:00

398 lines
11 KiB
PHP

<?php
/**
* MetaPieChart.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\Helpers\Chart;
use Carbon\Carbon;
use FireflyIII\Helpers\Collector\GroupCollectorInterface;
use FireflyIII\Models\Tag;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Repositories\Category\CategoryRepositoryInterface;
use FireflyIII\Repositories\Tag\TagRepositoryInterface;
use FireflyIII\User;
use Illuminate\Support\Collection;
use Log;
/**
* Class MetaPieChart.
*/
class MetaPieChart implements MetaPieChartInterface
{
/** @var array The ways to group transactions, given the type of chart. */
static protected $grouping
= [
'account' => ['destination_account_id'],
'budget' => ['budget_id'],
'category' => ['category_id'],
'tag' => [],
];
/** @var Collection Involved accounts. */
protected $accounts;
/** @var Collection The budgets. */
protected $budgets;
/** @var Collection The categories. */
protected $categories;
/** @var bool Collect other objects. */
protected $collectOtherObjects = false;
/** @var Carbon The end date./ */
protected $end;
/** @var array The repositories. */
protected $repositories
= [
'account' => AccountRepositoryInterface::class,
'budget' => BudgetRepositoryInterface::class,
'category' => CategoryRepositoryInterface::class,
'tag' => TagRepositoryInterface::class,
];
/** @var Carbon The start date. */
protected $start;
/** @var Collection The involved tags/ */
protected $tags;
/** @var string The total amount. */
protected $total = '0';
/** @var User The user. */
protected $user;
/**
* MetaPieChart constructor.
*/
public function __construct()
{
$this->accounts = new Collection;
$this->budgets = new Collection;
$this->categories = new Collection;
$this->tags = new Collection;
if ('testing' === config('app.env')) {
Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
}
}
/**
* Generate the chart.
*
* @param string $direction
* @param string $group
*
* @return array
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
public function generate(string $direction, string $group): array
{
$transactions = $this->getTransactions($direction);
$grouped = $this->groupByFields($transactions, self::$grouping[$group]);
$chartData = $this->organizeByType($group, $grouped);
$key = (string)trans('firefly.everything_else');
// also collect all other transactions
if ($this->collectOtherObjects && 'expense' === $direction) {
/** @var GroupCollectorInterface $collector */
$collector = app(GroupCollectorInterface::class);
$collector->setUser($this->user);
$collector->setAccounts($this->accounts)->setRange($this->start, $this->end)->setTypes([TransactionType::WITHDRAWAL]);
$sum = $collector->getSum();
$sum = bcmul($sum, '-1');
$sum = bcsub($sum, $this->total);
$chartData[$key] = $sum;
}
if ($this->collectOtherObjects && 'income' === $direction) {
/** @var GroupCollectorInterface $collector */
$collector = app(GroupCollectorInterface::class);
$collector->setUser($this->user);
$collector->setAccounts($this->accounts)->setRange($this->start, $this->end)->setTypes([TransactionType::DEPOSIT]);
$sum = $collector->getSum();
$sum = bcsub($sum, $this->total);
$chartData[$key] = $sum;
}
return $chartData;
}
/**
* Get all transactions.
*
* @param string $direction
*
* @return array
*/
protected function getTransactions(string $direction): array
{
/** @var GroupCollectorInterface $collector */
$collector = app(GroupCollectorInterface::class);
$types = [TransactionType::DEPOSIT, TransactionType::TRANSFER];
if ('expense' === $direction) {
$types = [TransactionType::WITHDRAWAL, TransactionType::TRANSFER];
}
$collector->setUser($this->user);
$collector->setAccounts($this->accounts);
$collector->setRange($this->start, $this->end);
$collector->setTypes($types);
$collector->withAccountInformation();
$collector->setBudgets($this->budgets);
$collector->setCategories($this->categories);
$collector->withCategoryInformation();
$collector->withBudgetInformation();
// @codeCoverageIgnoreStart
if ($this->tags->count() > 0) {
$collector->setTags($this->tags);
}
// @codeCoverageIgnoreEnd
return $collector->getExtractedJournals();
}
/**
* Group by a specific field.
*
* @param array $array
* @param array $fields
*
* @return array
*
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*
*/
protected function groupByFields(array $array, array $fields): array
{
$grouped = [];
if (0 === count($fields) && $this->tags->count() > 0) {
// do a special group on tags:
$grouped = $this->groupByTag($array); // @codeCoverageIgnore
}
if (0 !== count($fields) || $this->tags->count() <= 0) {
$grouped = [];
/** @var array $journal */
foreach ($array as $journal) {
$values = [];
foreach ($fields as $field) {
$values[] = (int)$journal[$field];
}
$value = max($values);
$grouped[$value] = $grouped[$value] ?? '0';
$grouped[$value] = bcadd($journal['amount'], $grouped[$value]);
}
}
return $grouped;
}
/**
* Group by tag (slightly different).
*
* @codeCoverageIgnore
*
* @param array $array
*
* @return array
*/
private function groupByTag(array $array): array
{
$grouped = [];
/** @var array $journal */
foreach ($array as $journal) {
$tags = $journal['tags'] ?? [];
/** @var Tag $tag */
foreach ($tags as $id => $tag) {
$grouped[$id] = $grouped[$id] ?? '0';
$grouped[$id] = bcadd($journal['amount'], $grouped[$id]);
}
}
return $grouped;
}
/**
* Organise by certain type.
*
* @param string $type
* @param array $array
*
* @return array
*/
protected function organizeByType(string $type, array $array): array
{
$chartData = [];
$names = [];
$repository = app($this->repositories[$type]);
$repository->setUser($this->user);
foreach ($array as $objectId => $amount) {
if (!isset($names[$objectId])) {
$object = $repository->findNull((int)$objectId);
$name = null === $object ? '(no name)' : $object->name;
$names[$objectId] = $name ?? $object->tag;
}
$amount = app('steam')->positive($amount);
$this->total = bcadd($this->total, $amount);
$chartData[$names[$objectId]] = $amount;
}
return $chartData;
}
/**
* Accounts setter.
*
* @codeCoverageIgnore
*
* @param Collection $accounts
*
* @return MetaPieChartInterface
*/
public function setAccounts(Collection $accounts): MetaPieChartInterface
{
$this->accounts = $accounts;
return $this;
}
/**
* Budgets setter.
*
* @codeCoverageIgnore
*
* @param Collection $budgets
*
* @return MetaPieChartInterface
*/
public function setBudgets(Collection $budgets): MetaPieChartInterface
{
$this->budgets = $budgets;
return $this;
}
/**
* Categories setter.
*
* @codeCoverageIgnore
*
* @param Collection $categories
*
* @return MetaPieChartInterface
*/
public function setCategories(Collection $categories): MetaPieChartInterface
{
$this->categories = $categories;
return $this;
}
/**
* Set if other objects should be collected.
*
* @codeCoverageIgnore
*
* @param bool $collectOtherObjects
*
* @return MetaPieChartInterface
*/
public function setCollectOtherObjects(bool $collectOtherObjects): MetaPieChartInterface
{
$this->collectOtherObjects = $collectOtherObjects;
return $this;
}
/**
* Set the end date.
*
* @codeCoverageIgnore
*
* @param Carbon $end
*
* @return MetaPieChartInterface
*/
public function setEnd(Carbon $end): MetaPieChartInterface
{
$this->end = $end;
return $this;
}
/**
* Set the start date.
*
* @codeCoverageIgnore
*
* @param Carbon $start
*
* @return MetaPieChartInterface
*/
public function setStart(Carbon $start): MetaPieChartInterface
{
$this->start = $start;
return $this;
}
/**
* Set the tags.
*
* @codeCoverageIgnore
*
* @param Collection $tags
*
* @return MetaPieChartInterface
*/
public function setTags(Collection $tags): MetaPieChartInterface
{
$this->tags = $tags;
return $this;
}
/**
* Set the user.
*
* @codeCoverageIgnore
*
* @param User $user
*
* @return MetaPieChartInterface
*/
public function setUser(User $user): MetaPieChartInterface
{
$this->user = $user;
return $this;
}
}