firefly-iii/app/controllers/BudgetController.php

<?php

use Firefly\Storage\Budget\BudgetRepositoryInterface as BRI;

class BudgetController extends BaseController
{

    protected $_budgets;

    public function __construct(BRI $budgets)
    {
        $this->_budgets = $budgets;
        View::share('menu', 'budgets');
    }

    public function index()
    {
        $budgets = $this->_budgets->get();
        $today = new \Carbon\Carbon;


        return View::make('budgets.index')->with('budgets', $budgets)->with('today', $today);
    }

    public function create()
    {

        $periods = [
            'weekly'    => 'A week',
            'monthly'   => 'A month',
            'quarterly' => 'A quarter',
            'half-year' => 'Six months',
            'yearly'    => 'A year',
        ];

        return View::make('budgets.create')->with('periods', $periods);
    }

    public function store()
    {

        $data = [
            'name'        => Input::get('name'),
            'amount'      => floatval(Input::get('amount')),
            'repeat_freq' => Input::get('period'),
            'repeats'     => intval(Input::get('repeats'))
        ];

        $budget = $this->_budgets->create($data);
        Session::flash('success', 'Budget created!');
        return Redirect::route('budgets.index');
    }

    public function show($budgetId)
    {
        $budget = $this->_budgets->find($budgetId);

        $list = $budget->transactionjournals()->get();
        $return = [];
        /** @var \TransactionJournal $entry */
        foreach ($list as $entry) {
            $month = $entry->date->format('F Y');
            $return[$month] = isset($return[$month]) ? $return[$month] : [];

            $return[$month][] = $entry;

        }

        foreach ($return as $month => $set) {
            echo '<h1>' . $month . '</h1>';
            /** @var \TransactionJournal $tj */
            $sum = 0;
            foreach ($set as $tj) {
                echo '#' . $tj->id . ' ' . $tj->description . ': ';

                foreach ($tj->transactions as $index => $t) {
                    echo $t->amount . ', ';
                    if ($index == 0) {
                        $sum += $t->amount;

                    }
                }
                echo '<br>';

            }
            echo 'sum: ' . $sum . '<br><br>';
        }


        exit;

        return View::make('budgets.show');


    }

}