There's a giant mix brewing between "old" code, bad code and not implemented exceptions. I suspect the next change will be to cut out all old stuff, throw a lot of NotImplementedExceptions and get going.

app/lib/FireflyIII/Database/Ifaces/RecurringTransactionInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+use Illuminate\Support\Collection;
+
+/**
+ * Interface AccountInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface RecurringTransactionInterface
+{
+} 

app/lib/FireflyIII/Database/RecurringTransaction.php

@@ -0,0 +1,139 @@
+<?php
+
+namespace FireflyIII\Database;
+
+use Carbon\Carbon;
+use FireflyIII\Database\Ifaces\RecurringTransactionInterface;
+use FireflyIII\Database\Ifaces\CommonDatabaseCalls;
+use FireflyIII\Database\Ifaces\CUD;
+use FireflyIII\Exception\NotImplementedException;
+use Illuminate\Support\MessageBag;
+use LaravelBook\Ardent\Ardent;
+use Illuminate\Support\Collection;
+
+/**
+ * Class Account
+ *
+ * @package FireflyIII\Database
+ */
+class RecurringTransaction implements CUD, CommonDatabaseCalls, RecurringTransactionInterface
+{
+    use SwitchUser;
+
+    /**
+     *
+     */
+    public function __construct()
+    {
+        $this->setUser(\Auth::user());
+    }
+
+    /**
+     * @param Ardent $model
+     *
+     * @return bool
+     */
+    public function destroy(Ardent $model)
+    {
+        // TODO: Implement destroy() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * Validates a model. Returns an array containing MessageBags
+     * errors/warnings/successes.
+     *
+     * @param Ardent $model
+     *
+     * @return array
+     */
+    public function validateObject(Ardent $model)
+    {
+        // TODO: Implement validateObject() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * Validates an array. Returns an array containing MessageBags
+     * errors/warnings/successes.
+     *
+     * @param array $model
+     *
+     * @return array
+     */
+    public function validate(array $model)
+    {
+        // TODO: Implement validate() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return Ardent
+     */
+    public function store(array $data)
+    {
+        // TODO: Implement store() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * @param Ardent $model
+     * @param array  $data
+     *
+     * @return bool
+     */
+    public function update(Ardent $model, array $data)
+    {
+        // TODO: Implement update() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * Returns an object with id $id.
+     *
+     * @param int $id
+     *
+     * @return Ardent
+     */
+    public function find($id)
+    {
+        // TODO: Implement find() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * Returns all objects.
+     *
+     * @return Collection
+     */
+    public function get()
+    {
+        return $this->getUser()->recurringtransactions()->get();
+    }
+
+    /**
+     * @param array $ids
+     *
+     * @return Collection
+     */
+    public function getByIds(array $ids)
+    {
+        // TODO: Implement getByIds() method.
+        throw new NotImplementedException;
+    }
+
+    /**
+     * Finds an account type using one of the "$what"'s: expense, asset, revenue, opening, etc.
+     *
+     * @param $what
+     *
+     * @return \AccountType|null
+     */
+    public function findByWhat($what)
+    {
+        // TODO: Implement findByWhat() method.
+        throw new NotImplementedException;
+    }
+}

app/lib/FireflyIII/Database/User.php

@@ -5,6 +5,7 @@ namespace FireflyIII\Database;
 
 /**
  * Class User
+ *
  * @package FireflyIII\Database
  */
 class User
@@ -12,14 +13,15 @@ class User
 
     /**
      * @param array $data
+     *
      * @return bool|\User
      */
     public function register(array $data)
     {
-        $user = new \User;
-        $user->email = isset($data['email']) ? $data['email'] : null;
+        $user           = new \User;
+        $user->email    = isset($data['email']) ? $data['email'] : null;
         $user->migrated = 0;
-        $user->reset = \Str::random(32);
+        $user->reset    = \Str::random(32);
         $user->password = \Hash::make(\Str::random(12));
 
         if (!$user->save()) {
@@ -34,6 +36,20 @@ class User
 
     }
 
+    /**
+     * @param \User $user
+     * @param       $password
+     *
+     * @return bool
+     */
+    public function updatePassword(\User $user, $password)
+    {
+        $user->password = $password;
+        $user->forceSave();
+
+        return true;
+    }
+
     /**
      * @param $mail
      *

app/lib/FireflyIII/Shared/Toolkit/Filter.php

@@ -24,7 +24,7 @@ class Filter
      *
      * @return string
      */
-    protected function setSessionRangeValue()
+    public function setSessionRangeValue()
     {
         if (!is_null(\Session::get('range'))) {
             $range = \Session::get('range');
@@ -221,7 +221,7 @@ class Filter
      * @return Carbon
      * @throws FireflyException
      */
-    protected function previous($range, Carbon $date)
+    public function previous($range, Carbon $date)
     {
         switch ($range) {
             default:
@@ -262,7 +262,7 @@ class Filter
      * @return Carbon
      * @throws FireflyException
      */
-    protected function next($range, Carbon $date)
+    public function next($range, Carbon $date)
     {
         switch ($range) {
             case '1D':

app/lib/FireflyIII/Shared/Toolkit/Navigation.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace FireflyIII\Shared\Toolkit;
+
+/**
+ * Class Navigation
+ *
+ * @package FireflyIII\Shared\Toolkit
+ */
+class Navigation
+{
+    /**
+     * @return bool
+     * @throws \Firefly\Exception\FireflyException
+     */
+    public function next()
+    {
+        /*
+         * Get the start date and the range from the session
+         */
+
+        $filter = new Filter;
+
+        $range = $filter->setSessionRangeValue();
+        $start = \Session::get('start');
+
+        /*
+         * Add some period to $start.
+         */
+        $next = $filter->next($range, clone $start);
+
+        /*
+         * Save in session:
+         */
+        \Session::put('start', $next);
+        return true;
+    }
+
+    /**
+     * @return bool
+     * @throws \Firefly\Exception\FireflyException
+     */
+    public function prev()
+    {
+        /*
+         * Get the start date and the range from the session
+         */
+        $filter = new Filter;
+
+        $range = $filter->setSessionRangeValue();
+        $start = \Session::get('start');
+
+        /*
+         * Substract some period to $start.
+         */
+        $prev = $filter->previous($range, clone $start);
+
+        /*
+         * Save in session:
+         */
+        \Session::put('start', $prev);
+        return true;
+    }
+}