firefly-iii/app/Import/Storage/ImportStorage.php
2017-07-28 14:52:01 +02:00

544 lines
19 KiB
PHP

<?php
/**
* ImportStorage.php
* Copyright (c) 2017 thegrumpydictator@gmail.com
* This software may be modified and distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.
*
* See the LICENSE file for details.
*/
declare(strict_types=1);
namespace FireflyIII\Import\Storage;
use Amount;
use Carbon\Carbon;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Import\Object\ImportAccount;
use FireflyIII\Import\Object\ImportJournal;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\Bill;
use FireflyIII\Models\Budget;
use FireflyIII\Models\Category;
use FireflyIII\Models\ImportJob;
use FireflyIII\Models\Rule;
use FireflyIII\Models\Transaction;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Models\TransactionJournal;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
use FireflyIII\Repositories\Tag\TagRepositoryInterface;
use FireflyIII\Rules\Processor;
use Illuminate\Database\Query\JoinClause;
use Illuminate\Support\Collection;
use Log;
use Steam;
/**
* Is capable of storing individual ImportJournal objects.
* Class ImportStorage
*
* @package FireflyIII\Import\Storage
*/
class ImportStorage
{
/** @var Collection */
public $errors;
/** @var Collection */
public $journals;
/** @var CurrencyRepositoryInterface */
private $currencyRepository;
/** @var string */
private $dateFormat = 'Ymd';
/** @var TransactionCurrency */
private $defaultCurrency;
/** @var ImportJob */
private $job;
/** @var Collection */
private $objects;
/** @var Collection */
private $rules;
/** @var TagRepositoryInterface */
private $tagRepository;
/**
* ImportStorage constructor.
*/
public function __construct()
{
$this->objects = new Collection;
$this->journals = new Collection;
$this->errors = new Collection;
}
/**
* @param string $dateFormat
*/
public function setDateFormat(string $dateFormat)
{
$this->dateFormat = $dateFormat;
}
/**
* @param ImportJob $job
*/
public function setJob(ImportJob $job)
{
$this->job = $job;
$repository = app(CurrencyRepositoryInterface::class);
$repository->setUser($job->user);
$this->currencyRepository = $repository;
$repository = app(TagRepositoryInterface::class);
$repository->setUser($job->user);
$this->tagRepository = $repository;
$this->rules = $this->getUserRules();
}
/**
* @param Collection $objects
*/
public function setObjects(Collection $objects)
{
$this->objects = $objects;
}
/**
* Do storage of import objects.
*/
public function store()
{
$this->defaultCurrency = Amount::getDefaultCurrencyByUser($this->job->user);
/**
* @var int $index
* @var ImportJournal $object
*/
foreach ($this->objects as $index => $object) {
try {
$this->storeImportJournal($index, $object);
} catch (FireflyException $e) {
$this->errors->push($e->getMessage());
Log::error(sprintf('Cannot import row #%d because: %s', $index, $e->getMessage()));
}
}
Log::info('ImportStorage has finished.');
return true;
}
/**
* @param TransactionJournal $journal
*
* @return bool
*/
protected function applyRules(TransactionJournal $journal): bool
{
if ($this->rules->count() > 0) {
/** @var Rule $rule */
foreach ($this->rules as $rule) {
Log::debug(sprintf('Going to apply rule #%d to journal %d.', $rule->id, $journal->id));
$processor = Processor::make($rule);
$processor->handleTransactionJournal($journal);
if ($rule->stop_processing) {
return true;
}
}
}
return true;
}
/**
* @param int $journalId
* @param int $accountId
* @param int $currencyId
* @param string $amount
*
* @return bool
* @throws FireflyException
*/
private function createTransaction(int $journalId, int $accountId, int $currencyId, string $amount): bool
{
$transaction = new Transaction;
$transaction->account_id = $accountId;
$transaction->transaction_journal_id = $journalId;
$transaction->transaction_currency_id = $currencyId;
$transaction->amount = $amount;
$transaction->save();
if (is_null($transaction->id)) {
$errorText = join(', ', $transaction->getErrors()->all());
throw new FireflyException($errorText);
}
Log::debug(sprintf('Created transaction with ID #%d, account #%d, amount %s', $transaction->id, $accountId, $amount));
return true;
}
/**
* @param Collection $set
* @param ImportJournal $importJournal
*
* @return bool
*/
private function filterTransferSet(Collection $set, ImportJournal $importJournal): bool
{
$amount = Steam::positive($importJournal->getAmount());
$asset = $importJournal->asset->getAccount();
$opposing = $this->getOpposingAccount($importJournal->opposing, $amount);
$description = $importJournal->getDescription();
$filtered = $set->filter(
function (TransactionJournal $journal) use ($asset, $opposing, $description) {
$match = true;
$original = [app('steam')->tryDecrypt($journal->source_name), app('steam')->tryDecrypt($journal->destination_name)];
$compare = [$asset->name, $opposing->name];
sort($original);
sort($compare);
// description does not match? Then cannot be duplicate.
if ($journal->description !== $description) {
$match = false;
}
// not both accounts in journal? Then cannot be duplicate.
if ($original !== $compare) {
$match = false;
}
if ($match) {
return $journal;
}
return null;
}
);
if (count($filtered) > 0) {
return true;
}
return false;
}
/**
* @param ImportJournal $importJournal
*
* @param Account $account
*
* @return TransactionCurrency
*/
private function getCurrency(ImportJournal $importJournal, Account $account): TransactionCurrency
{
// start with currency pref of account, if any:
$currency = $this->currencyRepository->find(intval($account->getMeta('currency_id')));
if (!is_null($currency->id)) {
return $currency;
}
// use given currency
$currency = $importJournal->getCurrency()->getTransactionCurrency();
if (!is_null($currency->id)) {
return $currency;
}
// backup to default
$currency = $this->defaultCurrency;
return $currency;
}
/**
* @param ImportAccount $account
* @param $amount
*
* @return Account
*/
private function getOpposingAccount(ImportAccount $account, $amount): Account
{
if (bccomp($amount, '0') === -1) {
Log::debug(sprintf('%s is negative, create opposing expense account.', $amount));
$account->setExpectedType(AccountType::EXPENSE);
return $account->getAccount();
}
Log::debug(sprintf('%s is positive, create opposing revenue account.', $amount));
// amount is positive, it's a deposit, opposing is an revenue:
$account->setExpectedType(AccountType::REVENUE);
$databaseAccount = $account->getAccount();
return $databaseAccount;
}
/**
* @param string $amount
*
* @return TransactionType
*/
private function getTransactionType(string $amount): TransactionType
{
$transactionType = new TransactionType();
// amount is negative, it's a withdrawal, opposing is an expense:
if (bccomp($amount, '0') === -1) {
$transactionType = TransactionType::whereType(TransactionType::WITHDRAWAL)->first();
}
if (bccomp($amount, '0') === 1) {
$transactionType = TransactionType::whereType(TransactionType::DEPOSIT)->first();
}
return $transactionType;
}
/**
* @return Collection
*/
private function getUserRules(): Collection
{
$set = Rule::distinct()
->where('rules.user_id', $this->job->user->id)
->leftJoin('rule_groups', 'rule_groups.id', '=', 'rules.rule_group_id')
->leftJoin('rule_triggers', 'rules.id', '=', 'rule_triggers.rule_id')
->where('rule_groups.active', 1)
->where('rule_triggers.trigger_type', 'user_action')
->where('rule_triggers.trigger_value', 'store-journal')
->where('rules.active', 1)
->orderBy('rule_groups.order', 'ASC')
->orderBy('rules.order', 'ASC')
->get(['rules.*', 'rule_groups.order']);
Log::debug(sprintf('Found %d user rules.', $set->count()));
return $set;
}
/**
* @param TransactionJournal $journal
* @param Bill $bill
*/
private function storeBill(TransactionJournal $journal, Bill $bill)
{
if (!is_null($bill->id)) {
Log::debug(sprintf('Linked bill #%d to journal #%d', $bill->id, $journal->id));
$journal->bill()->associate($bill);
$journal->save();
}
}
/**
* @param TransactionJournal $journal
* @param Budget $budget
*/
private function storeBudget(TransactionJournal $journal, Budget $budget)
{
if (!is_null($budget->id)) {
Log::debug(sprintf('Linked budget #%d to journal #%d', $budget->id, $journal->id));
$journal->budgets()->save($budget);
}
}
/**
* @param TransactionJournal $journal
* @param Category $category
*/
private function storeCategory(TransactionJournal $journal, Category $category)
{
if (!is_null($category->id)) {
Log::debug(sprintf('Linked category #%d to journal #%d', $category->id, $journal->id));
$journal->categories()->save($category);
}
}
private function storeImportJournal(int $index, ImportJournal $importJournal): bool
{
Log::debug(sprintf('Going to store object #%d with description "%s"', $index, $importJournal->getDescription()));
$importJournal->asset->setDefaultAccountId($this->job->configuration['import-account']);
$asset = $importJournal->asset->getAccount();
$amount = $importJournal->getAmount();
$currency = $this->getCurrency($importJournal, $asset);
$date = $importJournal->getDate($this->dateFormat);
$transactionType = $this->getTransactionType($amount);
$opposing = $this->getOpposingAccount($importJournal->opposing, $amount);
// if opposing is an asset account, it's a transfer:
if ($opposing->accountType->type === AccountType::ASSET) {
Log::debug(sprintf('Opposing account #%d %s is an asset account, make transfer.', $opposing->id, $opposing->name));
$transactionType = TransactionType::whereType(TransactionType::TRANSFER)->first();
}
// verify that opposing account is of the correct type:
if ($opposing->accountType->type === AccountType::EXPENSE && $transactionType->type !== TransactionType::WITHDRAWAL) {
$message = sprintf('Row #%d is imported as a %s but opposing is an expense account. This cannot be!', $index, $transactionType->type);
Log::error($message);
throw new FireflyException($message);
}
/*** First step done! */
$this->job->addStepsDone(1);
// could be that transfer is double: verify this.
if ($this->verifyDoubleTransfer($transactionType, $importJournal)) {
// add three steps:
$this->job->addStepsDone(3);
// throw error
throw new FireflyException('Detected a possible duplicate, skip this one.');
}
// create a journal:
$journal = new TransactionJournal;
$journal->user_id = $this->job->user_id;
$journal->transaction_type_id = $transactionType->id;
$journal->transaction_currency_id = $currency->id;
$journal->description = $importJournal->getDescription();
$journal->date = $date->format('Y-m-d');
$journal->order = 0;
$journal->tag_count = 0;
$journal->completed = false;
if (!$journal->save()) {
$errorText = join(', ', $journal->getErrors()->all());
// add three steps:
$this->job->addStepsDone(3);
// throw error
throw new FireflyException($errorText);
}
// save meta data:
$journal->setMeta('importHash', $importJournal->hash);
Log::debug(sprintf('Created journal with ID #%d', $journal->id));
// create transactions:
$this->createTransaction($journal->id, $asset->id, $currency->id, $amount);
$this->createTransaction($journal->id, $opposing->id, $currency->id, Steam::opposite($amount));
/*** Another step done! */
$this->job->addStepsDone(1);
// store meta object things:
$this->storeCategory($journal, $importJournal->category->getCategory());
$this->storeBudget($journal, $importJournal->budget->getBudget());
$this->storeBill($journal, $importJournal->bill->getBill());
$this->storeMeta($journal, $importJournal->metaDates);
// sepa thing as note:
if (strlen($importJournal->notes) > 0) {
$journal->setMeta('notes', $importJournal->notes);
}
// store tags
$this->storeTags($importJournal->tags, $journal);
// set journal completed:
$journal->completed = true;
$journal->save();
$this->job->addStepsDone(1);
// run rules:
$this->applyRules($journal);
$this->job->addStepsDone(1);
$this->journals->push($journal);
Log::info(
sprintf(
'Imported new journal #%d with description "%s" and amount %s %s.', $journal->id, $journal->description, $journal->transactionCurrency->code,
$amount
)
);
return true;
}
/**
* @param TransactionJournal $journal
* @param array $dates
*/
private function storeMeta(TransactionJournal $journal, array $dates)
{
// all other date fields as meta thing:
foreach ($dates as $name => $value) {
try {
$date = new Carbon($value);
$journal->setMeta($name, $date);
} catch (\Exception $e) {
// don't care, ignore:
Log::warning(sprintf('Could not parse "%s" into a valid Date object for field %s', $value, $name));
}
}
}
/**
* @param array $tags
* @param TransactionJournal $journal
*/
private function storeTags(array $tags, TransactionJournal $journal): void
{
foreach ($tags as $tag) {
$dbTag = $this->tagRepository->findByTag($tag);
if (is_null($dbTag->id)) {
$dbTag = $this->tagRepository->store(
['tag' => $tag, 'date' => null, 'description' => null, 'latitude' => null, 'longitude' => null,
'zoomLevel' => null, 'tagMode' => 'nothing']
);
}
$journal->tags()->save($dbTag);
Log::debug(sprintf('Linked tag %d ("%s") to journal #%d', $dbTag->id, $dbTag->tag, $journal->id));
}
return;
}
/**
* This method checks if the given transaction is a transfer and if so, if it might be a duplicate of an already imported transfer.
* This is important for import files that cover multiple accounts (and include both A<>B and B<>A transactions).
*
* @param TransactionType $transactionType
* @param ImportJournal $importJournal
*
* @return bool
*/
private function verifyDoubleTransfer(TransactionType $transactionType, ImportJournal $importJournal): bool
{
if ($transactionType->type === TransactionType::TRANSFER) {
$amount = Steam::positive($importJournal->getAmount());
$date = $importJournal->getDate($this->dateFormat);
$set = TransactionJournal::leftJoin('transaction_types', 'transaction_types.id', '=', 'transaction_journals.transaction_type_id')
->leftJoin(
'transactions AS source', function (JoinClause $join) {
$join->on('transaction_journals.id', '=', 'source.transaction_journal_id')->where('source.amount', '<', 0);
}
)
->leftJoin(
'transactions AS destination', function (JoinClause $join) {
$join->on('transaction_journals.id', '=', 'destination.transaction_journal_id')->where(
'destination.amount', '>', 0
);
}
)
->leftJoin('accounts as source_accounts', 'source.account_id', '=', 'source_accounts.id')
->leftJoin('accounts as destination_accounts', 'destination.account_id', '=', 'destination_accounts.id')
->where('transaction_journals.user_id', $this->job->user_id)
->where('transaction_types.type', TransactionType::TRANSFER)
->where('transaction_journals.date', $date->format('Y-m-d'))
->where('destination.amount', $amount)
->get(
['transaction_journals.id', 'transaction_journals.encrypted', 'transaction_journals.description',
'source_accounts.name as source_name', 'destination_accounts.name as destination_name']
);
return $this->filterTransferSet($set, $importJournal);
}
return false;
}
}