/**
* This method will search the user's transaction journal (with an upper limit of $range) for
* transaction journals matching the given $triggers. This is accomplished by trying to fire these
* triggers onto each transaction journal until enough matches are found ($limit).
*
* @return Collection
*
*/
public function findMatchingTransactions() : Collection
{
if (count($this->triggers) === 0) {
return new Collection();
}
$pagesize = min($this->range / 2, $this->limit * 2);
// Variables used within the loop
$processed = 0;
$page = 1;
$result = new Collection();
$processor = Processor::makeFromStringArray($this->triggers);
// Start a loop to fetch batches of transactions. The loop will finish if:
// - all transactions have been fetched from the database
// - the maximum number of transactions to return has been found
// - the maximum number of transactions to search in have been searched
do {
// Fetch a batch of transactions from the database
$paginator = $this->repository->getJournals($this->transactionTypes, $page, $pagesize);
$set = $paginator->getCollection();
// Filter transactions that match the given triggers.
$filtered = $set->filter(function (TransactionJournal $journal) use($processor) {
Log::debug(sprintf('Test these triggers on #%d', $journal->id));
return $processor->handleTransactionJournal($journal);
});
// merge:
/** @var Collection $result */
$result = $result->merge($filtered);
// Update counters
$page++;
$processed += count($set);
// Check for conditions to finish the loop
$reachedEndOfList = $set->count() < $pagesize;
$foundEnough = $result->count() >= $this->limit;
$searchedEnough = $processed >= $this->range;
} while (!$reachedEndOfList && !$foundEnough && !$searchedEnough);
// If the list of matchingTransactions is larger than the maximum number of results
// (e.g. if a large percentage of the transactions match), truncate the list
$result = $result->slice(0, $this->limit);
return $result;
}
/**
* @param Request $request
* @param JournalRepositoryInterface $repository
* @param string $what
*
* @return View
*/
public function index(Request $request, JournalRepositoryInterface $repository, string $what)
{
$pageSize = intval(Preferences::get('transactionPageSize', 50)->data);
$subTitleIcon = config('firefly.transactionIconsByWhat.' . $what);
$types = config('firefly.transactionTypesByWhat.' . $what);
$subTitle = trans('firefly.title_' . $what);
$page = intval($request->get('page'));
$journals = $repository->getJournals($types, $page, $pageSize);
$journals->setPath('transactions/' . $what);
return view('transactions.index', compact('subTitle', 'what', 'subTitleIcon', 'journals'));
}
/**
* @param JournalRepositoryInterface $repository
* @param $what
*
* @return \Symfony\Component\HttpFoundation\Response
*/
public function transactionJournals(JournalRepositoryInterface $repository, $what)
{
$descriptions = [];
$type = config('firefly.transactionTypesByWhat.' . $what);
$types = [$type];
$journals = $repository->getJournals($types, 1, 50);
foreach ($journals as $j) {
$descriptions[] = $j->description;
}
$descriptions = array_unique($descriptions);
sort($descriptions);
return Response::json($descriptions);
}
