firefly-iii/app/Validation/TransactionValidation.php
2018-08-06 19:14:30 +02:00

365 lines
15 KiB
PHP

<?php
/**
* TransactionValidation.php
* Copyright (c) 2018 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\Validation;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\Transaction;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\User;
use Illuminate\Validation\Validator;
use Log;
/**
* Trait TransactionValidation
*/
trait TransactionValidation
{
/**
* Validates the given account information. Switches on given transaction type.
*
* @param Validator $validator
*/
public function validateAccountInformation(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
$idField = 'description';
$transactionType = $data['type'] ?? 'invalid';
// get transaction type:
if (!isset($data['type'])) {
// the journal may exist in the request:
/** @var Transaction $transaction */
$transaction = $this->route()->parameter('transaction');
if (null !== $transaction) {
$transactionType = strtolower($transaction->transactionJournal->transactionType->type);
}
}
foreach ($transactions as $index => $transaction) {
$sourceId = isset($transaction['source_id']) ? (int)$transaction['source_id'] : null;
$sourceName = $transaction['source_name'] ?? null;
$destinationId = isset($transaction['destination_id']) ? (int)$transaction['destination_id'] : null;
$destinationName = $transaction['destination_name'] ?? null;
$sourceAccount = null;
$destinationAccount = null;
switch ($transactionType) {
case 'withdrawal':
$idField = 'transactions.' . $index . '.source_id';
$nameField = 'transactions.' . $index . '.source_name';
$sourceAccount = $this->assetAccountExists($validator, $sourceId, $sourceName, $idField, $nameField);
$idField = 'transactions.' . $index . '.destination_id';
$destinationAccount = $this->opposingAccountExists($validator, AccountType::EXPENSE, $destinationId, $destinationName, $idField);
break;
case 'deposit':
$idField = 'transactions.' . $index . '.source_id';
$sourceAccount = $this->opposingAccountExists($validator, AccountType::REVENUE, $sourceId, $sourceName, $idField);
$idField = 'transactions.' . $index . '.destination_id';
$nameField = 'transactions.' . $index . '.destination_name';
$destinationAccount = $this->assetAccountExists($validator, $destinationId, $destinationName, $idField, $nameField);
break;
case 'transfer':
$idField = 'transactions.' . $index . '.source_id';
$nameField = 'transactions.' . $index . '.source_name';
$sourceAccount = $this->assetAccountExists($validator, $sourceId, $sourceName, $idField, $nameField);
$idField = 'transactions.' . $index . '.destination_id';
$nameField = 'transactions.' . $index . '.destination_name';
$destinationAccount = $this->assetAccountExists($validator, $destinationId, $destinationName, $idField, $nameField);
break;
default:
$validator->errors()->add($idField, (string)trans('validation.invalid_account_info'));
return;
}
// add some errors in case of same account submitted:
if (null !== $sourceAccount && null !== $destinationAccount && $sourceAccount->id === $destinationAccount->id) {
$validator->errors()->add($idField, (string)trans('validation.source_equals_destination'));
}
}
}
/**
* Adds an error to the "description" field when the user has submitted no descriptions and no
* journal description.
*
* @param Validator $validator
*/
public function validateDescriptions(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
$journalDescription = (string)($data['description'] ?? null);
$validDescriptions = 0;
foreach ($transactions as $index => $transaction) {
if (\strlen((string)($transaction['description'] ?? null)) > 0) {
$validDescriptions++;
}
}
// no valid descriptions and empty journal description? error.
if (0 === $validDescriptions && '' === $journalDescription) {
$validator->errors()->add('description', (string)trans('validation.filled', ['attribute' => (string)trans('validation.attributes.description')]));
}
}
/**
* If the transactions contain foreign amounts, there must also be foreign currency information.
*
* @param Validator $validator
*/
public function validateForeignCurrencyInformation(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
foreach ($transactions as $index => $transaction) {
// must have currency info.
if (isset($transaction['foreign_amount'])
&& !(isset($transaction['foreign_currency_id'])
|| isset($transaction['foreign_currency_code']))) {
$validator->errors()->add(
'transactions.' . $index . '.foreign_amount',
(string)trans('validation.require_currency_info')
);
}
}
}
/**
* Adds an error to the validator when any transaction descriptions are equal to the journal description.
*
* @param Validator $validator
*/
public function validateJournalDescription(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
$journalDescription = (string)($data['description'] ?? null);
foreach ($transactions as $index => $transaction) {
$description = (string)($transaction['description'] ?? null);
// description cannot be equal to journal description.
if ($description === $journalDescription) {
$validator->errors()->add('transactions.' . $index . '.description', (string)trans('validation.equal_description'));
}
}
}
/**
* Adds an error to the validator when there are no transactions in the array of data.
*
* @param Validator $validator
*/
public function validateOneTransaction(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
// need at least one transaction
if (0 === \count($transactions)) {
$validator->errors()->add('description', (string)trans('validation.at_least_one_transaction'));
}
}
/**
* Make sure that all the splits accounts are valid in combination with each other.
*
* @param Validator $validator
*/
public function validateSplitAccounts(Validator $validator): void
{
$data = $validator->getData();
$count = isset($data['transactions']) ? \count($data['transactions']) : 0;
if ($count < 2) {
return;
}
// this is pretty much impossible:
// @codeCoverageIgnoreStart
if (!isset($data['type'])) {
// the journal may exist in the request:
/** @var Transaction $transaction */
$transaction = $this->route()->parameter('transaction');
if (null === $transaction) {
return;
}
$data['type'] = strtolower($transaction->transactionJournal->transactionType->type);
}
// @codeCoverageIgnoreEnd
// collect all source ID's and destination ID's, if present:
$sources = [];
$destinations = [];
foreach ($data['transactions'] as $transaction) {
$sources[] = isset($transaction['source_id']) ? (int)$transaction['source_id'] : 0;
$destinations[] = isset($transaction['destination_id']) ? (int)$transaction['destination_id'] : 0;
}
$destinations = array_unique($destinations);
$sources = array_unique($sources);
// switch on type:
switch ($data['type']) {
case 'withdrawal':
if (\count($sources) > 1) {
$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
}
break;
case 'deposit':
if (\count($destinations) > 1) {
$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
}
break;
case 'transfer':
if (\count($sources) > 1 || \count($destinations) > 1) {
$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
}
break;
}
}
/**
* Adds an error to the validator when the user submits a split transaction (more than 1 transactions)
* but does not give them a description.
*
* @param Validator $validator
*/
public function validateSplitDescriptions(Validator $validator): void
{
$data = $validator->getData();
$transactions = $data['transactions'] ?? [];
foreach ($transactions as $index => $transaction) {
$description = (string)($transaction['description'] ?? null);
// filled description is mandatory for split transactions.
if ('' === $description && \count($transactions) > 1) {
$validator->errors()->add(
'transactions.' . $index . '.description',
(string)trans('validation.filled', ['attribute' => (string)trans('validation.attributes.transaction_description')])
);
}
}
}
/**
* Throws an error when this asset account is invalid.
*
* @noinspection MoreThanThreeArgumentsInspection
*
* @param Validator $validator
* @param int|null $accountId
* @param null|string $accountName
* @param string $idField
* @param string $nameField
*
* @return null|Account
*/
protected function assetAccountExists(Validator $validator, ?int $accountId, ?string $accountName, string $idField, string $nameField): ?Account
{
/** @var User $admin */
$admin = auth()->user();
$accountId = (int)$accountId;
$accountName = (string)$accountName;
// both empty? hard exit.
if ($accountId < 1 && '' === $accountName) {
$validator->errors()->add($idField, (string)trans('validation.filled', ['attribute' => $idField]));
return null;
}
// ID belongs to user and is asset account:
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($admin);
$set = $repository->getAccountsById([$accountId]);
Log::debug(sprintf('Count of accounts found by ID %d is: %d', $accountId, $set->count()));
if (1 === $set->count()) {
/** @var Account $first */
$first = $set->first();
if ($first->accountType->type !== AccountType::ASSET) {
$validator->errors()->add($idField, (string)trans('validation.belongs_user'));
return null;
}
// we ignore the account name at this point.
return $first;
}
$account = $repository->findByName($accountName, [AccountType::ASSET]);
if (null === $account) {
$validator->errors()->add($nameField, (string)trans('validation.belongs_user'));
return null;
}
return $account;
}
/**
* Throws an error when the given opposing account (of type $type) is invalid.
* Empty data is allowed, system will default to cash.
*
* @noinspection MoreThanThreeArgumentsInspection
*
* @param Validator $validator
* @param string $type
* @param int|null $accountId
* @param null|string $accountName
* @param string $idField
*
* @return null|Account
*/
protected function opposingAccountExists(Validator $validator, string $type, ?int $accountId, ?string $accountName, string $idField): ?Account
{
/** @var User $admin */
$admin = auth()->user();
$accountId = (int)$accountId;
$accountName = (string)$accountName;
// both empty? done!
if ($accountId < 1 && '' === $accountName) {
return null;
}
if (0 !== $accountId) {
// ID belongs to user and is $type account:
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$repository->setUser($admin);
$set = $repository->getAccountsById([$accountId]);
if (1 === $set->count()) {
/** @var Account $first */
$first = $set->first();
if ($first->accountType->type !== $type) {
$validator->errors()->add($idField, (string)trans('validation.belongs_user'));
return null;
}
// we ignore the account name at this point.
return $first;
}
}
// not having an opposing account by this name is NOT a problem.
return null;
}
}