First attempt at including a budget report.

app/Helpers/Report/ReportHelper.php

@@ -227,6 +227,7 @@ class ReportHelper implements ReportHelperInterface
 
     }
 
+
     /**
      * @param Carbon  $start
      * @param Carbon  $end
@@ -494,4 +495,73 @@ class ReportHelper implements ReportHelperInterface
 
         return $object;
     }
+
+    /**
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return BudgetCollection
+     */
+    public function getBudgetReportForList(Carbon $start, Carbon $end, Collection $accounts)
+    {
+        $object = new BudgetCollection;
+        /** @var \FireflyIII\Repositories\Budget\BudgetRepositoryInterface $repository */
+        $repository = app('FireflyIII\Repositories\Budget\BudgetRepositoryInterface');
+        $set        = $repository->getBudgets();
+
+        bcscale(2);
+
+        foreach ($set as $budget) {
+
+            $repetitions = $repository->getBudgetLimitRepetitions($budget, $start, $end);
+
+            // no repetition(s) for this budget:
+            if ($repetitions->count() == 0) {
+                $spent      = $repository->balanceInPeriodForList($budget, $start, $end, $accounts);
+                $budgetLine = new BudgetLine;
+                $budgetLine->setBudget($budget);
+                $budgetLine->setOverspent($spent);
+                $object->addOverspent($spent);
+                $object->addBudgetLine($budgetLine);
+                continue;
+            }
+
+            // one or more repetitions for budget:
+            /** @var LimitRepetition $repetition */
+            foreach ($repetitions as $repetition) {
+                $budgetLine = new BudgetLine;
+                $budgetLine->setBudget($budget);
+                $budgetLine->setRepetition($repetition);
+                $expenses  = $repository->balanceInPeriodForList($budget, $repetition->startdate, $repetition->enddate, $accounts);
+                $expenses  = $expenses * -1;
+                $left      = $expenses < $repetition->amount ? bcsub($repetition->amount, $expenses) : 0;
+                $spent     = $expenses > $repetition->amount ? 0 : $expenses;
+                $overspent = $expenses > $repetition->amount ? bcsub($expenses, $repetition->amount) : 0;
+
+                $budgetLine->setLeft($left);
+                $budgetLine->setSpent($spent);
+                $budgetLine->setOverspent($overspent);
+                $budgetLine->setBudgeted($repetition->amount);
+
+                $object->addBudgeted($repetition->amount);
+                $object->addSpent($spent);
+                $object->addLeft($left);
+                $object->addOverspent($overspent);
+                $object->addBudgetLine($budgetLine);
+
+            }
+
+        }
+
+        // stuff outside of budgets:
+        $noBudget   = $repository->getWithoutBudgetSum($start, $end);
+        $budgetLine = new BudgetLine;
+        $budgetLine->setOverspent($noBudget);
+        $budgetLine->setSpent($noBudget);
+        $object->addOverspent($noBudget);
+        $object->addBudgetLine($budgetLine);
+
+        return $object;
+    }
 }

app/Helpers/Report/ReportHelperInterface.php

@@ -73,6 +73,15 @@ interface ReportHelperInterface
      */
     public function getBudgetReport(Carbon $start, Carbon $end, $shared);
 
+    /**
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return BudgetCollection
+     */
+    public function getBudgetReportForList(Carbon $start, Carbon $end, Collection $accounts);
+
     /**
      * @param Carbon  $start
      * @param Carbon  $end

app/Http/Controllers/ReportController.php

@@ -244,7 +244,7 @@ class ReportController extends Controller
         $accounts = $this->helper->getAccountReportForList($start, $end, $list);
         $incomes  = $this->helper->getIncomeReportForList($start, $end, $list);
         $expenses = $this->helper->getExpenseReportForList($start, $end, $list);
-        //        $budgets    = $this->helper->getBudgetReportForList($start, $end, $list);
+        $budgets  = $this->helper->getBudgetReportForList($start, $end, $list);
         //        $categories = $this->helper->getCategoryReportForList($start, $end, $list);
         //        $balance    = $this->helper->getBalanceReportForList($start, $end, $list);
         //        $bills      = $this->helper->getBillReportForList($start, $end);

app/Repositories/Budget/BudgetRepository.php

@@ -315,6 +315,19 @@ class BudgetRepository extends ComponentRepository implements BudgetRepositoryIn
         return bcmul($noBudgetSet, -1);
     }
 
+    /**
+     * @param Budget $budget
+     * @param Carbon $start
+     * @param Carbon $end
+     * @param Collection $accounts
+     *
+     * @return string
+     */
+    public function balanceInPeriodForList(Budget $budget, Carbon $start, Carbon $end, Collection $accounts)
+    {
+        return $this->commonBalanceInPeriodForList($budget, $start, $end, $accounts);
+    }
+
     /**
      * @param Budget $budget
      * @param Carbon $start

app/Repositories/Budget/BudgetRepositoryInterface.php

@@ -139,6 +139,19 @@ interface BudgetRepositoryInterface
      */
     public function balanceInPeriod(Budget $budget, Carbon $start, Carbon $end, $shared = true);
 
+    /**
+     *
+     * Same as ::spentInPeriod but corrects journals for a set of accounts
+     *
+     * @param Budget     $budget
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return string
+     */
+    public function balanceInPeriodForList(Budget $budget, Carbon $start, Carbon $end, Collection $accounts);
+
     /**
      * @param array $data
      *

app/Repositories/Shared/ComponentRepository.php

@@ -3,9 +3,11 @@
 namespace FireflyIII\Repositories\Shared;
 
 use Carbon\Carbon;
+use FireflyIII\Models\Account;
 use FireflyIII\Models\TransactionType;
 use FireflyIII\Support\CacheProperties;
 use Illuminate\Database\Query\JoinClause;
+use Illuminate\Support\Collection;
 
 /**
  * Class ComponentRepository
@@ -63,4 +65,46 @@ class ComponentRepository
 
         return $sum;
     }
+
+    /**
+     * @param            $object
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return string
+     */
+    protected function commonBalanceInPeriodForList($object, Carbon $start, Carbon $end, Collection $accounts)
+    {
+        $cache = new CacheProperties; // we must cache this.
+        $cache->addProperty($object->id);
+        $cache->addProperty(get_class($object));
+        $cache->addProperty($start);
+        $cache->addProperty($end);
+        $cache->addProperty($accounts);
+        $cache->addProperty('balanceInPeriodList');
+
+        $ids = [];
+        /** @var Account $account */
+        foreach ($accounts as $account) {
+            $ids[] = $account->id;
+        }
+
+        if ($cache->has()) {
+            return $cache->get(); // @codeCoverageIgnore
+        }
+
+        $sum = $object->transactionjournals()
+                      ->transactionTypes([TransactionType::WITHDRAWAL, TransactionType::DEPOSIT, TransactionType::OPENING_BALANCE])
+                      ->before($end)
+                      ->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
+                      ->leftJoin('accounts', 'accounts.id', '=', 'transactions.account_id')
+                      ->whereIn('accounts.id', $ids)
+                      ->after($start)
+                      ->get(['transaction_journals.*'])->sum('amount');
+
+        $cache->store($sum);
+
+        return $sum;
+    }
 }