/**
  * @param Carbon     $start
  * @param Carbon     $end
  * @param Collection $accounts
  *
  * @return BudgetCollection
  */
 public function getBudgetReport(Carbon $start, Carbon $end, Collection $accounts) : BudgetCollection
 {
     $object = new BudgetCollection();
     $set = $this->repository->getBudgets();
     /** @var Budget $budget */
     foreach ($set as $budget) {
         $repetitions = $budget->limitrepetitions()->before($end)->after($start)->get();
         // no repetition(s) for this budget:
         if ($repetitions->count() == 0) {
             // spent for budget in time range:
             $spent = $this->repository->spentInPeriod(new Collection([$budget]), $accounts, $start, $end);
             if ($spent > 0) {
                 $budgetLine = new BudgetLine();
                 $budgetLine->setBudget($budget)->setOverspent($spent);
                 $object->addOverspent($spent)->addBudgetLine($budgetLine);
             }
             continue;
         }
         // one or more repetitions for budget:
         /** @var LimitRepetition $repetition */
         foreach ($repetitions as $repetition) {
             $data = $this->calculateExpenses($budget, $repetition, $accounts);
             $budgetLine = new BudgetLine();
             $budgetLine->setBudget($budget)->setRepetition($repetition)->setLeft($data['left'])->setSpent($data['expenses'])->setOverspent($data['overspent'])->setBudgeted(strval($repetition->amount));
             $object->addBudgeted(strval($repetition->amount))->addSpent($data['spent'])->addLeft($data['left'])->addOverspent($data['overspent'])->addBudgetLine($budgetLine);
         }
     }
     // stuff outside of budgets:
     $noBudget = $this->repository->spentInPeriodWithoutBudget($accounts, $start, $end);
     $budgetLine = new BudgetLine();
     $budgetLine->setOverspent($noBudget)->setSpent($noBudget);
     $object->addOverspent($noBudget)->addBudgetLine($budgetLine);
     return $object;
 }
 /**
  * @param Collection $accounts
  * @param Carbon     $start
  * @param Carbon     $end
  *
  * @return BalanceLine
  */
 private function createNoBudgetLine(Collection $accounts, Carbon $start, Carbon $end) : BalanceLine
 {
     $empty = new BalanceLine();
     foreach ($accounts as $account) {
         $spent = $this->budgetRepository->spentInPeriodWithoutBudget(new Collection([$account]), $start, $end);
         // budget
         $budgetEntry = new BalanceEntry();
         $budgetEntry->setAccount($account);
         $budgetEntry->setSpent($spent);
         $empty->addBalanceEntry($budgetEntry);
     }
     return $empty;
 }