/**
  * Shows the view to edit a transaction.
  *
  * @param ARI                $repository
  * @param TransactionJournal $journal
  *
  * @return $this
  */
 public function edit(ARI $repository, TransactionJournal $journal)
 {
     // cannot edit opening balance
     if ($journal->isOpeningBalance()) {
         return view('error')->with('message', 'Cannot edit this transaction. Edit the account instead!');
     }
     $maxFileSize = Steam::phpBytes(ini_get('upload_max_filesize'));
     $maxPostSize = Steam::phpBytes(ini_get('post_max_size'));
     $uploadSize = min($maxFileSize, $maxPostSize);
     $what = strtolower($journal->getTransactionType());
     $accounts = ExpandedForm::makeSelectList($repository->getAccounts(['Default account', 'Asset account']));
     $budgets = ExpandedForm::makeSelectList(Auth::user()->budgets()->get());
     $budgets[0] = trans('form.noBudget');
     $piggies = ExpandedForm::makeSelectList(Auth::user()->piggyBanks()->get());
     $piggies[0] = trans('form.noPiggybank');
     $subTitle = trans('breadcrumbs.edit_journal', ['description' => $journal->description]);
     $preFilled = ['date' => $journal->date->format('Y-m-d'), 'category' => '', 'budget_id' => 0, 'piggy_bank_id' => 0];
     // get tags:
     $preFilled['tags'] = join(',', $journal->tags->pluck('tag')->toArray());
     $category = $journal->categories()->first();
     if (!is_null($category)) {
         $preFilled['category'] = $category->name;
     }
     $budget = $journal->budgets()->first();
     if (!is_null($budget)) {
         $preFilled['budget_id'] = $budget->id;
     }
     if ($journal->piggyBankEvents()->count() > 0) {
         $preFilled['piggy_bank_id'] = $journal->piggyBankEvents()->orderBy('date', 'DESC')->first()->piggy_bank_id;
     }
     $preFilled['amount'] = $journal->amount_positive;
     if ($journal->isWithdrawal()) {
         $preFilled['account_id'] = $journal->source_account->id;
         $preFilled['expense_account'] = $journal->destination_account->name_for_editform;
     } else {
         $preFilled['account_id'] = $journal->destination_account->id;
         $preFilled['revenue_account'] = $journal->source_account->name_for_editform;
     }
     $preFilled['account_from_id'] = $journal->source_account->id;
     $preFilled['account_to_id'] = $journal->destination_account->id;
     Session::flash('preFilled', $preFilled);
     Session::flash('gaEventCategory', 'transactions');
     Session::flash('gaEventAction', 'edit-' . $what);
     // put previous url in session if not redirect from store (not "return_to_edit").
     if (Session::get('transactions.edit.fromUpdate') !== true) {
         Session::put('transactions.edit.url', URL::previous());
     }
     Session::forget('transactions.edit.fromUpdate');
     return view('transactions.edit', compact('journal', 'uploadSize', 'accounts', 'what', 'budgets', 'piggies', 'subTitle'))->with('data', $preFilled);
 }
 /**
  * @param JournalFormRequest         $request
  * @param JournalRepositoryInterface $repository
  * @param AttachmentHelperInterface  $att
  * @param TransactionJournal         $journal
  *
  * @return $this|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
  */
 public function update(JournalFormRequest $request, JournalRepositoryInterface $repository, AttachmentHelperInterface $att, TransactionJournal $journal)
 {
     // cannot edit opening balance
     if ($journal->isOpeningBalance()) {
         return view('error')->with('message', 'Cannot edit this transaction. Edit the account instead!');
     }
     $journalData = $request->getJournalData();
     $repository->update($journal, $journalData);
     // save attachments:
     $att->saveAttachmentsForModel($journal);
     // flash errors
     if (count($att->getErrors()->get('attachments')) > 0) {
         Session::flash('error', $att->getErrors()->get('attachments'));
     }
     // flash messages
     if (count($att->getMessages()->get('attachments')) > 0) {
         Session::flash('info', $att->getMessages()->get('attachments'));
     }
     event(new JournalSaved($journal));
     // update, get events by date and sort DESC
     Session::flash('success', 'Transaction "' . e($journalData['description']) . '" updated.');
     Preferences::mark();
     if (intval(Input::get('return_to_edit')) === 1) {
         // set value so edit routine will not overwrite URL:
         Session::put('transactions.edit.fromUpdate', true);
         return redirect(route('transactions.edit', [$journal->id]))->withInput(['return_to_edit' => 1]);
     }
     // redirect to previous URL.
     return redirect(Session::get('transactions.edit.url'));
 }