First attempt at account specific bill report.

app/Helpers/Report/ReportHelper.php

@@ -684,4 +684,52 @@ class ReportHelper implements ReportHelperInterface
 
         return $balance;
     }
+
+    /**
+     * This method generates a full report for the given period on all
+     * the users bills and their payments.
+     *
+     * Excludes bills which have not had a payment on the mentioned accounts.
+     *
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return BillCollection
+     */
+    public function getBillReportForList(Carbon $start, Carbon $end, Collection $accounts)
+    {
+        /** @var \FireflyIII\Repositories\Bill\BillRepositoryInterface $repository */
+        $repository = app('FireflyIII\Repositories\Bill\BillRepositoryInterface');
+        $bills      = $repository->getBillsForAccounts($accounts);
+        $collection = new BillCollection;
+
+        /** @var Bill $bill */
+        foreach ($bills as $bill) {
+            $billLine = new BillLine;
+            $billLine->setBill($bill);
+            $billLine->setActive(intval($bill->active) == 1);
+            $billLine->setMin($bill->amount_min);
+            $billLine->setMax($bill->amount_max);
+
+            // is hit in period?
+            bcscale(2);
+            $set = $repository->getJournalsInRange($bill, $start, $end);
+            if ($set->count() == 0) {
+                $billLine->setHit(false);
+            } else {
+                $billLine->setHit(true);
+                $amount = '0';
+                foreach ($set as $entry) {
+                    $amount = bcadd($amount, $entry->amount);
+                }
+                $billLine->setAmount($amount);
+            }
+
+            $collection->addBill($billLine);
+
+        }
+
+        return $collection;
+    }
 }

app/Helpers/Report/ReportHelperInterface.php

@@ -55,6 +55,20 @@ interface ReportHelperInterface
      */
     public function getBillReport(Carbon $start, Carbon $end);
 
+    /**
+     * This method generates a full report for the given period on all
+     * the users bills and their payments.
+     *
+     * Excludes bills which have not had a payment on the mentioned accounts.
+     *
+     * @param Carbon     $start
+     * @param Carbon     $end
+     * @param Collection $accounts
+     *
+     * @return BillCollection
+     */
+    public function getBillReportForList(Carbon $start, Carbon $end, Collection $accounts);
+
     /**
      * @param Carbon  $start
      * @param Carbon  $end
@@ -65,8 +79,8 @@ interface ReportHelperInterface
     public function getBalanceReport(Carbon $start, Carbon $end, $shared);
 
     /**
-     * @param Carbon  $start
-     * @param Carbon  $end
+     * @param Carbon     $start
+     * @param Carbon     $end
      * @param Collection $accounts
      *
      * @return Balance

app/Http/Controllers/ReportController.php

@@ -247,7 +247,7 @@ class ReportController extends Controller
         $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);
+        $bills      = $this->helper->getBillReportForList($start, $end, $list);
 
         // continue!
         return view(

app/Repositories/Bill/BillRepository.php

@@ -5,6 +5,7 @@ namespace FireflyIII\Repositories\Bill;
 use Auth;
 use Carbon\Carbon;
 use DB;
+use FireflyIII\Models\Account;
 use FireflyIII\Models\Bill;
 use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionJournal;
@@ -108,6 +109,46 @@ class BillRepository implements BillRepositoryInterface
         return $set;
     }
 
+    /**
+     * @param Collection $accounts
+     *
+     * @return Collection
+     */
+    public function getBillsForAccounts(Collection $accounts)
+    {
+        /** @var Collection $set */
+        $set = Auth::user()->bills()->orderBy('name', 'ASC')->get();
+
+        $ids = [];
+        /** @var Account $account */
+        foreach ($accounts as $account) {
+            $ids[] = $account->id;
+        }
+
+        $set = $set->filter(
+            function (Bill $bill) use ($ids) {
+                // get transaction journals from or to any of the mentioned accounts.
+                // if zero, return null.
+                $journals = $bill->transactionjournals()->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
+                                 ->whereIn('transactions.account_id', $ids)->count();
+
+                return ($journals > 0);
+
+            }
+        );
+
+        $set = $set->sortBy(
+            function (Bill $bill) {
+
+                $int = $bill->active == 1 ? 0 : 1;
+
+                return $int . strtolower($bill->name);
+            }
+        );
+
+        return $set;
+    }
+
     /**
      * @param Bill $bill
      *

app/Repositories/Bill/BillRepositoryInterface.php

@@ -77,6 +77,15 @@ interface BillRepositoryInterface
      */
     public function getBills();
 
+    /**
+     * Gets the bills which have some kind of relevance to the accounts mentioned.
+     *
+     * @param Collection $accounts
+     *
+     * @return Collection
+     */
+    public function getBillsForAccounts(Collection $accounts);
+
     /**
      * @param Bill $bill
      *