firefly-iii/app/Import/ImportValidator.php
2017-02-05 16:16:15 +01:00

439 lines
14 KiB
PHP

<?php
/**
* ImportValidator.php
* Copyright (C) 2016 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;
use Carbon\Carbon;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\ImportJob;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
use FireflyIII\User;
use Illuminate\Support\Collection;
use Log;
use Preferences;
/**
* Class ImportValidator
*
* @package FireflyIII\Import
*/
class ImportValidator
{
/** @var ImportJob */
public $job;
/** @var Account */
protected $defaultImportAccount;
/** @var Collection */
protected $entries;
/** @var User */
protected $user;
/**
* ImportValidator constructor.
*
* @param Collection $entries
*/
public function __construct(Collection $entries)
{
$this->entries = $entries;
}
/**
* Clean collection by filling in all the blanks.
*/
public function clean(): Collection
{
Log::notice(sprintf('Started validating %d entry(ies).', $this->entries->count()));
$newCollection = new Collection;
/** @var ImportEntry $entry */
foreach ($this->entries as $index => $entry) {
Log::debug(sprintf('--- import validator start for row %d ---', $index));
/*
* X Adds the date (today) if no date is present.
* X Determins the types of accounts involved (asset, expense, revenue).
* X Determins the type of transaction (withdrawal, deposit, transfer).
* - Determins the currency of the transaction.
* X Adds a default description if there isn't one present.
*/
$entry = $this->checkAmount($entry);
$entry = $this->setDate($entry);
$entry = $this->setAssetAccount($entry);
$entry = $this->setOpposingAccount($entry);
$entry = $this->cleanDescription($entry);
$entry = $this->setTransactionType($entry);
$entry = $this->setTransactionCurrency($entry);
$newCollection->put($index, $entry);
$this->job->addStepsDone(1);
}
Log::notice(sprintf('Finished validating %d entry(ies).', $newCollection->count()));
return $newCollection;
}
/**
* @param Account $defaultImportAccount
*/
public function setDefaultImportAccount(Account $defaultImportAccount)
{
$this->defaultImportAccount = $defaultImportAccount;
}
/**
* @param ImportJob $job
*/
public function setJob(ImportJob $job)
{
$this->job = $job;
}
/**
* @param User $user
*/
public function setUser(User $user)
{
$this->user = $user;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function checkAmount(ImportEntry $entry): ImportEntry
{
if ($entry->fields['amount'] == 0) {
$entry->valid = false;
$entry->errors->push('Amount of transaction is zero, cannot handle.');
Log::warning('Amount of transaction is zero, cannot handle.');
return $entry;
}
Log::debug('Amount is OK.');
return $entry;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function cleanDescription(ImportEntry $entry): ImportEntry
{
if (!isset($entry->fields['description'])) {
Log::debug('Set empty transaction description because field was not set.');
$entry->fields['description'] = '(empty transaction description)';
return $entry;
}
if (is_null($entry->fields['description'])) {
Log::debug('Set empty transaction description because field was null.');
$entry->fields['description'] = '(empty transaction description)';
return $entry;
}
$entry->fields['description'] = trim($entry->fields['description']);
if (strlen($entry->fields['description']) == 0) {
Log::debug('Set empty transaction description because field was empty.');
$entry->fields['description'] = '(empty transaction description)';
return $entry;
}
Log::debug('Transaction description is OK.', ['description' => $entry->fields['description']]);
return $entry;
}
/**
* @param Account $account
* @param string $type
*
* @return Account
*/
private function convertAccount(Account $account, string $type): Account
{
$accountType = $account->accountType->type;
if ($accountType === $type) {
Log::debug(sprintf('Account %s already of type %s', $account->name, $type));
return $account;
}
// find it first by new type:
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($this->user);
$result = $repository->findByName($account->name, [$type]);
if (is_null($result->id)) {
// can convert account:
Log::debug(sprintf('No account named %s of type %s, create new account.', $account->name, $type));
$result = $repository->store(
[
'user' => $this->user->id,
'accountType' => config('firefly.shortNamesByFullName.' . $type),
'name' => $account->name,
'virtualBalance' => 0,
'active' => true,
'iban' => null,
'openingBalance' => 0,
]
);
}
Log::debug(
sprintf(
'Using another account named %s (#%d) of type %s, will use that one instead of %s (#%d)', $account->name, $result->id, $type, $account->name,
$account->id
)
);
return $result;
}
/**
* @return Account
*/
private function fallbackExpenseAccount(): Account
{
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($this->user);
$name = 'Unknown expense account';
$result = $repository->findByName($name, [AccountType::EXPENSE]);
if (is_null($result->id)) {
$result = $repository->store(
['name' => $name, 'iban' => null, 'openingBalance' => 0, 'user' => $this->user->id, 'accountType' => 'expense', 'virtualBalance' => 0,
'active' => true]
);
}
return $result;
}
/**
* @return Account
*/
private function fallbackRevenueAccount(): Account
{
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($this->user);
$name = 'Unknown revenue account';
$result = $repository->findByName($name, [AccountType::REVENUE]);
if (is_null($result->id)) {
$result = $repository->store(
['name' => $name, 'iban' => null, 'openingBalance' => 0, 'user' => $this->user->id, 'accountType' => 'revenue', 'virtualBalance' => 0,
'active' => true]
);
}
return $result;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function setAssetAccount(ImportEntry $entry): ImportEntry
{
if (is_null($entry->fields['asset-account'])) {
if (!is_null($this->defaultImportAccount)) {
Log::debug('Set asset account from default asset account');
$entry->fields['asset-account'] = $this->defaultImportAccount;
return $entry;
}
// default import is null? should not happen. Entry cannot be imported.
// set error message and block.
$entry->valid = false;
Log::warning('Cannot import entry. Asset account is NULL and import account is also NULL.');
return $entry;
}
Log::debug('Asset account is OK.', ['id' => $entry->fields['asset-account']->id, 'name' => $entry->fields['asset-account']->name]);
return $entry;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function setDate(ImportEntry $entry): ImportEntry
{
if (is_null($entry->fields['date-transaction']) || $entry->certain['date-transaction'] == 0) {
// empty date field? find alternative.
$alternatives = ['date-book', 'date-interest', 'date-process'];
foreach ($alternatives as $alternative) {
if (!is_null($entry->fields[$alternative])) {
Log::debug(sprintf('Copied date-transaction from %s.', $alternative));
$entry->fields['date-transaction'] = clone $entry->fields[$alternative];
return $entry;
}
}
// date is still null at this point
Log::debug('Set date-transaction to today.');
$entry->fields['date-transaction'] = new Carbon;
return $entry;
}
// confidence is zero?
Log::debug('Date-transaction is OK');
return $entry;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function setOpposingAccount(ImportEntry $entry): ImportEntry
{
// empty opposing account. Create one based on amount.
if (is_null($entry->fields['opposing-account'])) {
if ($entry->fields['amount'] < 0) {
// create or find general opposing expense account.
Log::debug('Created fallback expense account');
$entry->fields['opposing-account'] = $this->fallbackExpenseAccount();
return $entry;
}
Log::debug('Created fallback revenue account');
$entry->fields['opposing-account'] = $this->fallbackRevenueAccount();
return $entry;
}
// opposing is of type "import". Convert to correct type (by amount):
$type = $entry->fields['opposing-account']->accountType->type;
if ($type == AccountType::IMPORT && $entry->fields['amount'] < 0) {
$account = $this->convertAccount($entry->fields['opposing-account'], AccountType::EXPENSE);
$entry->fields['opposing-account'] = $account;
Log::debug('Converted import account to expense account');
return $entry;
}
if ($type == AccountType::IMPORT && $entry->fields['amount'] > 0) {
$account = $this->convertAccount($entry->fields['opposing-account'], AccountType::REVENUE);
$entry->fields['opposing-account'] = $account;
Log::debug('Converted import account to revenue account');
return $entry;
}
// amount < 0, but opposing is revenue
if ($type == AccountType::REVENUE && $entry->fields['amount'] < 0) {
$account = $this->convertAccount($entry->fields['opposing-account'], AccountType::EXPENSE);
$entry->fields['opposing-account'] = $account;
Log::debug('Converted revenue account to expense account');
return $entry;
}
// amount > 0, but opposing is expense
if ($type == AccountType::EXPENSE && $entry->fields['amount'] > 0) {
$account = $this->convertAccount($entry->fields['opposing-account'], AccountType::REVENUE);
$entry->fields['opposing-account'] = $account;
Log::debug('Converted expense account to revenue account');
return $entry;
}
// account type is OK
Log::debug('Opposing account is OK.');
return $entry;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function setTransactionCurrency(ImportEntry $entry): ImportEntry
{
if (is_null($entry->fields['currency'])) {
/** @var CurrencyRepositoryInterface $repository */
$repository = app(CurrencyRepositoryInterface::class);
$repository->setUser($this->user);
// is the default currency for the user or the system
$defaultCode = Preferences::getForUser($this->user, 'currencyPreference', config('firefly.default_currency', 'EUR'))->data;
$entry->fields['currency'] = $repository->findByCode($defaultCode);
Log::debug(sprintf('Set currency to %s', $defaultCode));
return $entry;
}
Log::debug(sprintf('Currency is OK: %s', $entry->fields['currency']->code));
return $entry;
}
/**
* @param ImportEntry $entry
*
* @return ImportEntry
*/
private function setTransactionType(ImportEntry $entry): ImportEntry
{
Log::debug(sprintf('Opposing account is of type %s', $entry->fields['opposing-account']->accountType->type));
$type = $entry->fields['opposing-account']->accountType->type;
switch ($type) {
case AccountType::EXPENSE:
$entry->fields['transaction-type'] = TransactionType::whereType(TransactionType::WITHDRAWAL)->first();
Log::debug('Transaction type is now withdrawal.');
return $entry;
case AccountType::REVENUE:
$entry->fields['transaction-type'] = TransactionType::whereType(TransactionType::DEPOSIT)->first();
Log::debug('Transaction type is now deposit.');
return $entry;
case AccountType::DEFAULT:
case AccountType::ASSET:
$entry->fields['transaction-type'] = TransactionType::whereType(TransactionType::TRANSFER)->first();
Log::debug('Transaction type is now transfer.');
return $entry;
}
Log::warning(sprintf('Opposing account is of type %s, cannot handle this.', $type));
$entry->valid = false;
$entry->errors->push(sprintf('Opposing account is of type %s, cannot handle this.', $type));
return $entry;
}
}