mirror of
https://github.com/firefly-iii/firefly-iii.git
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608 lines
23 KiB
PHP
608 lines
23 KiB
PHP
<?php
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/**
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* TransactionValidation.php
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* Copyright (c) 2019 james@firefly-iii.org
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*
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* This file is part of Firefly III (https://github.com/firefly-iii).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\Validation;
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use FireflyIII\Models\Account;
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use FireflyIII\Models\Transaction;
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use FireflyIII\Models\TransactionGroup;
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use FireflyIII\Models\TransactionJournal;
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use Illuminate\Validation\Validator;
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use Log;
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/**
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* Trait TransactionValidation
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*/
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trait TransactionValidation
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{
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/**
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* Validates the given account information. Switches on given transaction type.
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*
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* @param Validator $validator
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*/
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public function validateAccountInformation(Validator $validator): void
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{
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Log::debug('Now in validateAccountInformation()');
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$transactions = $this->getTransactionsArray($validator);
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$data = $validator->getData();
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$transactionType = $data['type'] ?? 'invalid';
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Log::debug(sprintf('Going to loop %d transaction(s)', count($transactions)));
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/**
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* @var int $index
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* @var array $transaction
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*/
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foreach ($transactions as $index => $transaction) {
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if (!is_int($index)) {
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continue;
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}
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$this->validateSingleAccount($validator, $index, $transactionType, $transaction);
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}
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}
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/**
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* @param Validator $validator
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*
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* @return array
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*/
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protected function getTransactionsArray(Validator $validator): array
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{
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$data = $validator->getData();
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$transactions = $data['transactions'] ?? [];
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if (!is_countable($transactions)) {
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Log::error(sprintf('Transactions array is not countable, because its a %s', gettype($transactions)));
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return [];
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}
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// a superfluous check but you never know.
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if (!is_array($transactions)) {
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Log::error(sprintf('Transactions array is not an array, because its a %s', gettype($transactions)));
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return [];
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}
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return $transactions;
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}
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/**
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* @param Validator $validator
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* @param int $index
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* @param string $transactionType
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* @param array $transaction
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*/
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protected function validateSingleAccount(Validator $validator, int $index, string $transactionType, array $transaction): void
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{
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/** @var AccountValidator $accountValidator */
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$accountValidator = app(AccountValidator::class);
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$transactionType = $transaction['type'] ?? $transactionType;
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$accountValidator->setTransactionType($transactionType);
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// validate source account.
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$sourceId = array_key_exists('source_id', $transaction) ? (int)$transaction['source_id'] : null;
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$sourceName = array_key_exists('source_name', $transaction) ? (string)$transaction['source_name'] : null;
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$sourceIban = array_key_exists('source_iban', $transaction) ? (string)$transaction['source_iban'] : null;
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$validSource = $accountValidator->validateSource($sourceId, $sourceName, $sourceIban);
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// do something with result:
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if (false === $validSource) {
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$validator->errors()->add(sprintf('transactions.%d.source_id', $index), $accountValidator->sourceError);
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$validator->errors()->add(sprintf('transactions.%d.source_name', $index), $accountValidator->sourceError);
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return;
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}
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// validate destination account
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$destinationId = array_key_exists('destination_id', $transaction) ? (int)$transaction['destination_id'] : null;
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$destinationName = array_key_exists('destination_name', $transaction) ? (string)$transaction['destination_name'] : null;
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$destinationIban = array_key_exists('destination_iban', $transaction) ? (string)$transaction['destination_iban'] : null;
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$validDestination = $accountValidator->validateDestination($destinationId, $destinationName, $destinationIban);
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// do something with result:
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if (false === $validDestination) {
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$validator->errors()->add(sprintf('transactions.%d.destination_id', $index), $accountValidator->destError);
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$validator->errors()->add(sprintf('transactions.%d.destination_name', $index), $accountValidator->destError);
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}
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}
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/**
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* Validates the given account information. Switches on given transaction type.
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*
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* @param Validator $validator
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* @param TransactionGroup $transactionGroup
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*/
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public function validateAccountInformationUpdate(Validator $validator, TransactionGroup $transactionGroup): void
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{
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Log::debug('Now in validateAccountInformationUpdate()');
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$transactions = $this->getTransactionsArray($validator);
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/**
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* @var int $index
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* @var array $transaction
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*/
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foreach ($transactions as $index => $transaction) {
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$this->validateSingleUpdate($validator, $index, $transaction, $transactionGroup);
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}
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}
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/**
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* @param Validator $validator
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* @param int $index
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* @param array $transaction
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* @param TransactionGroup $transactionGroup
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*/
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protected function validateSingleUpdate(Validator $validator, int $index, array $transaction, TransactionGroup $transactionGroup): void
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{
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Log::debug('Now validating single account update in validateSingleUpdate()');
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// if no account types are given, just skip the check.
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if (
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!array_key_exists('source_id', $transaction)
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&& !array_key_exists('source_name', $transaction)
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&& !array_key_exists('destination_id', $transaction)
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&& !array_key_exists('destination_name', $transaction)) {
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Log::debug('No account data has been submitted so will not validating account info.');
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return;
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}
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// create validator:
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/** @var AccountValidator $accountValidator */
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$accountValidator = app(AccountValidator::class);
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// get the transaction type using the original transaction group:
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$accountValidator->setTransactionType($this->getTransactionType($transactionGroup, []));
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// validate if the submitted source and / or name are valid
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if (array_key_exists('source_id', $transaction) || array_key_exists('source_name', $transaction)) {
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Log::debug('Will try to validate source account information.');
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$sourceId = (int)($transaction['source_id'] ?? 0);
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$sourceName = $transaction['source_name'] ?? null;
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$validSource = $accountValidator->validateSource($sourceId, $sourceName, null);
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// do something with result:
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if (false === $validSource) {
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Log::warning('Looks like the source account is not valid so complain to the user about it.');
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$validator->errors()->add(sprintf('transactions.%d.source_id', $index), $accountValidator->sourceError);
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$validator->errors()->add(sprintf('transactions.%d.source_name', $index), $accountValidator->sourceError);
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return;
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}
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Log::debug('Source account info is valid.');
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}
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if (array_key_exists('destination_id', $transaction) || array_key_exists('destination_name', $transaction)) {
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Log::debug('Will try to validate destination account information.');
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// at this point the validator may not have a source account, because it was never submitted for validation.
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// must add it ourselves or the validator can never check if the destination is correct.
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// the $transaction array must have a journal id or it's just one, this was validated before.
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if (null === $accountValidator->source) {
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Log::debug('Account validator has no source account, must find it.');
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$source = $this->getOriginalSource($transaction, $transactionGroup);
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if (null !== $source) {
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Log::debug('Found a source!');
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$accountValidator->source = $source;
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}
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}
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$destinationId = (int)($transaction['destination_id'] ?? 0);
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$destinationName = $transaction['destination_name'] ?? null;
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$validDestination = $accountValidator->validateDestination($destinationId, $destinationName, null);
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// do something with result:
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if (false === $validDestination) {
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Log::warning('Looks like the destination account is not valid so complain to the user about it.');
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$validator->errors()->add(sprintf('transactions.%d.destination_id', $index), $accountValidator->destError);
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$validator->errors()->add(sprintf('transactions.%d.destination_name', $index), $accountValidator->destError);
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}
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Log::debug('Destination account info is valid.');
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}
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Log::debug('Done with validateSingleUpdate().');
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}
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/**
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* @param TransactionGroup $group
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* @param array $transactions
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*
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* @return string
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*/
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private function getTransactionType(TransactionGroup $group, array $transactions): string
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{
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return $transactions[0]['type'] ?? strtolower($group->transactionJournals()->first()->transactionType->type);
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}
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/**
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* @param array $transaction
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* @param TransactionGroup $transactionGroup
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*
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* @return Account|null
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*/
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private function getOriginalSource(array $transaction, TransactionGroup $transactionGroup): ?Account
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{
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if (1 === $transactionGroup->transactionJournals->count()) {
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$journal = $transactionGroup->transactionJournals->first();
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return $journal->transactions()->where('amount', '<', 0)->first()->account;
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}
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/** @var TransactionJournal $journal */
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foreach ($transactionGroup->transactionJournals as $journal) {
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if ((int)$journal->id === (int)$transaction['transaction_journal_id']) {
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return $journal->transactions()->where('amount', '<', 0)->first()->account;
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}
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}
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return null;
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}
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/**
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* Adds an error to the validator when there are no transactions in the array of data.
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*
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* @param Validator $validator
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*/
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public function validateOneRecurrenceTransaction(Validator $validator): void
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{
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Log::debug('Now in validateOneRecurrenceTransaction()');
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$transactions = $this->getTransactionsArray($validator);
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// need at least one transaction
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if (0 === count($transactions)) {
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$validator->errors()->add('transactions', (string)trans('validation.at_least_one_transaction'));
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}
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}
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/**
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* Adds an error to the validator when there are no transactions in the array of data.
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*
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* @param Validator $validator
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*/
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public function validateOneTransaction(Validator $validator): void
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{
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Log::debug('Now in validateOneTransaction()');
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$transactions = $this->getTransactionsArray($validator);
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// need at least one transaction
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if (0 === count($transactions)) {
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$validator->errors()->add('transactions.0.description', (string)trans('validation.at_least_one_transaction'));
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Log::debug('Added error: at_least_one_transaction.');
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return;
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}
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Log::debug('Added NO errors.');
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}
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/**
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* @param Validator $validator
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*/
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public function validateTransactionArray(Validator $validator): void
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{
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$transactions = $this->getTransactionsArray($validator);
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foreach ($transactions as $key => $value) {
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if (!is_int($key)) {
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$validator->errors()->add('transactions.0.description', (string)trans('validation.at_least_one_transaction'));
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Log::debug('Added error: at_least_one_transaction.');
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return;
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}
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}
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}
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/**
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* All types of splits must be equal.
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*
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* @param Validator $validator
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*/
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public function validateTransactionTypes(Validator $validator): void
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{
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Log::debug('Now in validateTransactionTypes()');
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$transactions = $this->getTransactionsArray($validator);
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$types = [];
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foreach ($transactions as $transaction) {
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$types[] = $transaction['type'] ?? 'invalid';
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}
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$unique = array_unique($types);
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if (count($unique) > 1) {
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$validator->errors()->add('transactions.0.type', (string)trans('validation.transaction_types_equal'));
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return;
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}
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$first = $unique[0] ?? 'invalid';
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if ('invalid' === $first) {
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$validator->errors()->add('transactions.0.type', (string)trans('validation.invalid_transaction_type'));
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}
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}
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/**
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* All types of splits must be equal.
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*
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* @param Validator $validator
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* @param TransactionGroup $transactionGroup
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*/
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public function validateTransactionTypesForUpdate(Validator $validator, TransactionGroup $transactionGroup): void
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{
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Log::debug('Now in validateTransactionTypesForUpdate()');
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$transactions = $this->getTransactionsArray($validator);
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$types = [];
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foreach ($transactions as $transaction) {
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$originalType = $this->getOriginalType((int)($transaction['transaction_journal_id'] ?? 0));
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// if type is not set, fall back to the type of the journal, if one is given.
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$types[] = $transaction['type'] ?? $originalType;
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}
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$unique = array_unique($types);
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if (count($unique) > 1) {
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Log::warning('Add error for mismatch transaction types.');
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$validator->errors()->add('transactions.0.type', (string)trans('validation.transaction_types_equal'));
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return;
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}
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Log::debug('No errors in validateTransactionTypesForUpdate()');
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}
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/**
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* @param int $journalId
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*
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* @return string
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*/
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private function getOriginalType(int $journalId): string
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{
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if (0 === $journalId) {
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return 'invalid';
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}
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/** @var TransactionJournal|null $journal */
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$journal = TransactionJournal::with(['transactionType'])->find($journalId);
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if (null !== $journal) {
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return strtolower($journal->transactionType->type);
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}
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return 'invalid';
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}
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/**
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* @param Validator $validator
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*/
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private function validateEqualAccounts(Validator $validator): void
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{
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Log::debug('Now in validateEqualAccounts()');
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$transactions = $this->getTransactionsArray($validator);
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// needs to be split
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if (count($transactions) < 2) {
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return;
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}
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$type = $transactions[0]['type'] ?? 'withdrawal';
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$sources = [];
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$dests = [];
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foreach ($transactions as $transaction) {
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$sources[] = sprintf('%d-%s', $transaction['source_id'] ?? 0, $transaction['source_name'] ?? '');
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$dests[] = sprintf('%d-%s', $transaction['destination_id'] ?? 0, $transaction['destination_name'] ?? '');
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}
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$sources = array_unique($sources);
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$dests = array_unique($dests);
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switch ($type) {
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default:
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case 'withdrawal':
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if (count($sources) > 1) {
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$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
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}
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break;
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case 'deposit':
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if (count($dests) > 1) {
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$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
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}
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break;
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case'transfer':
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if (count($sources) > 1 || count($dests) > 1) {
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$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
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$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
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}
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break;
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}
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}
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/**
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* @param Validator $validator
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* @param TransactionGroup $transactionGroup
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*/
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private function validateEqualAccountsForUpdate(Validator $validator, TransactionGroup $transactionGroup): void
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{
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Log::debug('Now in validateEqualAccountsForUpdate()');
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$transactions = $this->getTransactionsArray($validator);
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if (2 !== count($transactions)) {
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Log::debug('Less than 2 transactions, do nothing.');
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return;
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}
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$type = $this->getTransactionType($transactionGroup, $transactions);
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// compare source ID's, destination ID's, source names and destination names.
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// I think I can get away with one combination being equal, as long as the rest
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// of the code picks up on this as well.
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// either way all fields must be blank or all equal
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// but if ID's are equal don't bother with the names.
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$comparison = $this->collectComparisonData($transactions);
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$result = $this->compareAccountData($type, $comparison);
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if (false === $result) {
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if ('withdrawal' === $type) {
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$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
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}
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if ('deposit' === $type) {
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$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
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}
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if ('transfer' === $type) {
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$validator->errors()->add('transactions.0.source_id', (string)trans('validation.all_accounts_equal'));
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$validator->errors()->add('transactions.0.destination_id', (string)trans('validation.all_accounts_equal'));
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}
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Log::warning('Add error about equal accounts.');
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return;
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}
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Log::debug('No errors found in validateEqualAccountsForUpdate');
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}
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/**
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* @param array $transactions
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*
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* @return array
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*/
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private function collectComparisonData(array $transactions): array
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{
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$fields = ['source_id', 'destination_id', 'source_name', 'destination_name'];
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$comparison = [];
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foreach ($fields as $field) {
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$comparison[$field] = [];
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/** @var array $transaction */
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foreach ($transactions as $transaction) {
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// source or destination may be omitted. If this is the case, use the original source / destination name + ID.
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$originalData = $this->getOriginalData((int)($transaction['transaction_journal_id'] ?? 0));
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// get field.
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$comparison[$field][] = $transaction[$field] ?? $originalData[$field];
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}
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}
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return $comparison;
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}
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/**
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* @param int $journalId
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*
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* @return array
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*/
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private function getOriginalData(int $journalId): array
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{
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$return = [
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'source_id' => 0,
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'source_name' => '',
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'destination_id' => 0,
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'destination_name' => '',
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];
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if (0 === $journalId) {
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return $return;
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}
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/** @var Transaction $source */
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$source = Transaction::where('transaction_journal_id', $journalId)->where('amount', '<', 0)->with(['account'])->first();
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if (null !== $source) {
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$return['source_id'] = $source->account_id;
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$return['source_name'] = $source->account->name;
|
|
}
|
|
/** @var Transaction $destination */
|
|
$destination = Transaction::where('transaction_journal_id', $journalId)->where('amount', '>', 0)->with(['account'])->first();
|
|
if (null !== $source) {
|
|
$return['destination_id'] = $destination->account_id;
|
|
$return['destination_name'] = $destination->account->name;
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* @param string $type
|
|
* @param array $comparison
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function compareAccountData(string $type, array $comparison): bool
|
|
{
|
|
switch ($type) {
|
|
default:
|
|
case 'withdrawal':
|
|
return $this->compareAccountDataWithdrawal($comparison);
|
|
case 'deposit':
|
|
return $this->compareAccountDataDeposit($comparison);
|
|
case 'transfer':
|
|
return $this->compareAccountDataTransfer($comparison);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param array $comparison
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function compareAccountDataWithdrawal(array $comparison): bool
|
|
{
|
|
if ($this->arrayEqual($comparison['source_id'])) {
|
|
// source ID's are equal, return void.
|
|
return true;
|
|
}
|
|
if ($this->arrayEqual($comparison['source_name'])) {
|
|
// source names are equal, return void.
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param array $array
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function arrayEqual(array $array): bool
|
|
{
|
|
return 1 === count(array_unique($array));
|
|
}
|
|
|
|
/**
|
|
* @param array $comparison
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function compareAccountDataDeposit(array $comparison): bool
|
|
{
|
|
if ($this->arrayEqual($comparison['destination_id'])) {
|
|
// destination ID's are equal, return void.
|
|
return true;
|
|
}
|
|
if ($this->arrayEqual($comparison['destination_name'])) {
|
|
// destination names are equal, return void.
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param array $comparison
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function compareAccountDataTransfer(array $comparison): bool
|
|
{
|
|
if ($this->arrayEqual($comparison['source_id'])) {
|
|
// source ID's are equal, return void.
|
|
return true;
|
|
}
|
|
if ($this->arrayEqual($comparison['source_name'])) {
|
|
// source names are equal, return void.
|
|
return true;
|
|
}
|
|
if ($this->arrayEqual($comparison['destination_id'])) {
|
|
// destination ID's are equal, return void.
|
|
return true;
|
|
}
|
|
if ($this->arrayEqual($comparison['destination_name'])) {
|
|
// destination names are equal, return void.
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|