New code.

app/Repositories/Budget/BudgetRepository.php

@@ -6,6 +6,7 @@ use Carbon\Carbon;
 use FireflyIII\Models\Budget;
 use FireflyIII\Models\BudgetLimit;
 use FireflyIII\Models\LimitRepetition;
+use Illuminate\Pagination\LengthAwarePaginator;
 
 /**
  * Class BudgetRepository
@@ -15,6 +16,51 @@ use FireflyIII\Models\LimitRepetition;
 class BudgetRepository implements BudgetRepositoryInterface
 {
 
+    /**
+     * @param Budget $budget
+     *
+     * @return boolean
+     */
+    public function destroy(Budget $budget)
+    {
+        $budget->delete();
+
+        return true;
+    }
+
+    /**
+     * Returns all the transaction journals for a limit, possibly limited by a limit repetition.
+     *
+     * @param Budget          $budget
+     * @param LimitRepetition $repetition
+     * @param int             $take
+     *
+     * @return \Illuminate\Pagination\Paginator
+     */
+    public function getJournals(Budget $budget, LimitRepetition $repetition = null, $take = 50)
+    {
+        $offset = intval(\Input::get('page')) > 0 ? intval(\Input::get('page')) * $take : 0;
+
+
+        $setQuery   = $budget->transactionJournals()->withRelevantData()->take($take)->offset($offset)->orderBy('date', 'DESC');
+        $countQuery = $budget->transactionJournals();
+
+
+        if (!is_null($repetition->id)) {
+            $setQuery->after($repetition->startdate)->before($repetition->enddate);
+            $countQuery->after($repetition->startdate)->before($repetition->enddate);
+        }
+
+
+        $set   = $setQuery->get(['transaction_journals.*']);
+        $count = $countQuery->count();
+        $items = [];
+        foreach ($set as $entry) {
+            $items[] = $entry;
+        }
+        return new LengthAwarePaginator($items, $count, $take, $offset);
+    }
+
     /**
      * @param Budget $budget
      * @param Carbon $date
@@ -31,6 +77,39 @@ class BudgetRepository implements BudgetRepositoryInterface
         return $sum;
     }
 
+    /**
+     * @param array $data
+     *
+     * @return Budget
+     */
+    public function store(array $data)
+    {
+        $newBudget = new Budget(
+            [
+                'user_id' => $data['user'],
+                'name'    => $data['name'],
+            ]
+        );
+        $newBudget->save();
+
+        return $newBudget;
+    }
+
+    /**
+     * @param Budget $budget
+     * @param array  $data
+     *
+     * @return Budget
+     */
+    public function update(Budget $budget, array $data)
+    {
+        // update the account:
+        $budget->name = $data['name'];
+        $budget->save();
+
+        return $budget;
+    }
+
     /**
      * @param Budget $budget
      * @param Carbon $date
@@ -59,6 +138,7 @@ class BudgetRepository implements BudgetRepositoryInterface
                 $limit->delete();
             }
         }
+
         return $limit;
 
 

app/Repositories/Budget/BudgetRepositoryInterface.php

@@ -2,6 +2,7 @@
 
 namespace FireflyIII\Repositories\Budget;
 use FireflyIII\Models\Budget;
+use FireflyIII\Models\LimitRepetition;
 use Carbon\Carbon;
 /**
  * Interface BudgetRepositoryInterface
@@ -10,6 +11,12 @@ use Carbon\Carbon;
  */
 interface BudgetRepositoryInterface
 {
+    /**
+     * @param Budget $budget
+     *
+     * @return boolean
+     */
+    public function destroy(Budget $budget);
 
     /**
      * @param Budget $budget
@@ -28,4 +35,30 @@ interface BudgetRepositoryInterface
      */
     public function updateLimitAmount(Budget $budget, Carbon $date, $amount);
 
+    /**
+     * @param array $data
+     *
+     * @return Budget
+     */
+    public function store(array $data);
+
+    /**
+     * @param Budget $budget
+     * @param array   $data
+     *
+     * @return Budget
+     */
+    public function update(Budget $budget, array $data);
+
+    /**
+     * Returns all the transaction journals for a limit, possibly limited by a limit repetition.
+     *
+     * @param Budget          $budget
+     * @param LimitRepetition $repetition
+     * @param int              $take
+     *
+     * @return \Illuminate\Pagination\Paginator
+     */
+    public function getJournals(Budget $budget, LimitRepetition $repetition = null, $take = 50);
+
 }