diff --git a/app/Http/Middleware/Range.php b/app/Http/Middleware/Range.php
new file mode 100644
index 0000000000..e4b082dca7
--- /dev/null
+++ b/app/Http/Middleware/Range.php
@@ -0,0 +1,293 @@
+<?php
+
+
+namespace FireflyIII\Http\Middleware;
+
+use Carbon\Carbon;
+use Closure;
+use FireflyIII\Exception\FireflyException;
+use Illuminate\Contracts\Auth\Guard;
+use Illuminate\Http\RedirectResponse;
+use Preferences;
+use Session;
+
+/**
+ * Class SessionFilter
+ *
+ * @package FireflyIII\Http\Middleware
+ */
+class Range
+{
+    /**
+     * The Guard implementation.
+     *
+     * @var Guard
+     */
+    protected $auth;
+
+    /**
+     * Create a new filter instance.
+     *
+     * @param  Guard $auth
+     *
+     * @return void
+     */
+    public function __construct(Guard $auth)
+    {
+        $this->auth = $auth;
+    }
+
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request $request
+     * @param  \Closure                 $theNext
+     *
+     * @return mixed
+     */
+    public function handle($request, Closure $theNext)
+    {
+        if ($this->auth->check()) {
+            // user's view range comes from preferences, gets set in session:
+            /** @var \FireflyIII\Models\Preference $viewRange */
+            $viewRange = Preferences::get('viewRange', '1M');
+
+
+            // the start and end date are checked and stored:
+            $start  = Session::has('start') ? Session::get('start') : new Carbon;
+            $start  = $this->updateStartDate($viewRange->data, $start);
+            $end    = $this->updateEndDate($viewRange->data, $start);
+            $period = $this->periodName($viewRange->data, $start);
+            $prev   = $this->previous($viewRange->data, clone $start);
+            $next   = $this->next($viewRange->data, clone $start);
+
+            Session::put('range', $viewRange->data);
+            Session::put('start', $start);
+            Session::put('end', $end);
+            Session::put('period', $period);
+            Session::put('prev', $this->periodName($viewRange->data, $prev));
+            Session::put('next', $this->periodName($viewRange->data, $next));
+
+        }
+
+        return $theNext($request);
+
+    }
+
+    /**
+     * @param        $range
+     * @param Carbon $start
+     *
+     * @return Carbon
+     * @throws FireflyException
+     * @codeCoverageIgnore
+     */
+    protected function updateStartDate($range, Carbon $start)
+    {
+        $functionMap = [
+            '1D' => 'startOfDay',
+            '1W' => 'startOfWeek',
+            '1M' => 'startOfMonth',
+            '3M' => 'firstOfQuarter',
+            '1Y' => 'startOfYear',
+        ];
+        if (isset($functionMap[$range])) {
+            $function = $functionMap[$range];
+            $start->$function();
+
+            return $start;
+        }
+        if ($range == '6M') {
+            if (intval($start->format('m')) >= 7) {
+                $start->startOfYear()->addMonths(6);
+            } else {
+                $start->startOfYear();
+            }
+
+            return $start;
+        }
+        throw new FireflyException('updateStartDate cannot handle $range ' . $range);
+    }
+
+    /**
+     * @param        $range
+     * @param Carbon $start
+     *
+     * @return Carbon
+     * @throws FireflyException
+     * @codeCoverageIgnore
+     */
+    protected function updateEndDate($range, Carbon $start)
+    {
+        $functionMap = [
+            '1D' => 'endOfDay',
+            '1W' => 'endOfWeek',
+            '1M' => 'endOfMonth',
+            '3M' => 'lastOfQuarter',
+            '1Y' => 'endOfYear',
+        ];
+        $end         = clone $start;
+
+        if (isset($functionMap[$range])) {
+            $function = $functionMap[$range];
+            $end->$function();
+
+            return $end;
+        }
+        if ($range == '6M') {
+            if (intval($start->format('m')) >= 7) {
+                $end->endOfYear();
+            } else {
+                $end->startOfYear()->addMonths(6);
+            }
+
+            return $end;
+        }
+        throw new FireflyException('updateEndDate cannot handle $range ' . $range);
+    }
+
+    /**
+     * @SuppressWarnings("CyclomaticComplexity") // It's exactly 5. So I don't mind.
+     *
+     * @param        $range
+     * @param Carbon $date
+     *
+     * @return string
+     * @throws FireflyException
+     * @codeCoverageIgnore
+     */
+    protected function periodName($range, Carbon $date)
+    {
+        $formatMap = [
+            '1D' => 'jS F Y',
+            '1W' => '\w\e\ek W, Y',
+            '1M' => 'F Y',
+            '1Y' => 'Y',
+        ];
+        if (isset($formatMap[$range])) {
+            return $date->format($formatMap[$range]);
+        }
+        if ($range == '3M') {
+            $month = intval($date->format('m'));
+
+            return 'Q' . ceil(($month / 12) * 4) . ' ' . $date->format('Y');
+        }
+        if ($range == '6M') {
+            $month    = intval($date->format('m'));
+            $half     = ceil(($month / 12) * 2);
+            $halfName = $half == 1 ? 'first' : 'second';
+
+            return $halfName . ' half of ' . $date->format('d-m-Y');
+        }
+        throw new FireflyException('No _periodName() for range "' . $range . '"');
+    }
+
+    /**
+     * @param        $range
+     * @param Carbon $date
+     *
+     * @return Carbon
+     * @throws FireflyException
+     */
+    public function previous($range, Carbon $date)
+    {
+        $functionMap = [
+            '1D' => 'Day',
+            '1W' => 'Week',
+            '1M' => 'Month',
+            '1Y' => 'Year'
+        ];
+
+        if (isset($functionMap[$range])) {
+            $startFunction = 'startOf' . $functionMap[$range];
+            $subFunction   = 'sub' . $functionMap[$range];
+            $date->$startFunction()->$subFunction();
+
+            return $date;
+        }
+        if ($range == '3M') {
+            $date->firstOfQuarter()->subMonths(3)->firstOfQuarter();
+
+            return $date;
+        }
+        if ($range == '6M') {
+            $month = intval($date->format('m'));
+            $date->startOfYear();
+            if ($month <= 6) {
+                $date->subMonths(6);
+            }
+
+            return $date;
+        }
+        throw new FireflyException('Cannot do _previous() on ' . $range);
+    }
+
+    /**
+     * @param        $range
+     * @param Carbon $date
+     *
+     * @return Carbon
+     * @throws FireflyException
+     */
+    public function next($range, Carbon $date)
+    {
+        switch ($range) {
+            case '1D':
+                $date->endOfDay()->addDay();
+                break;
+            case '1W':
+                $date->endOfWeek()->addDay()->startOfWeek();
+                break;
+            case '1M':
+                $date->endOfMonth()->addDay()->startOfMonth();
+                break;
+            case '3M':
+                $date->lastOfQuarter()->addDay();
+                break;
+            case '6M':
+                if (intval($date->format('m')) >= 7) {
+                    $date->startOfYear()->addYear();
+                } else {
+                    $date->startOfYear()->addMonths(6);
+                }
+                break;
+            case '1Y':
+                $date->startOfYear()->addYear();
+                break;
+            default:
+                throw new FireflyException('Cannot do _next() on ' . $range);
+                break;
+        }
+
+        return $date;
+    }
+
+    /**
+     * Checks and sets the currently set 'range' or defaults to a session
+     * and if that fails, defaults to 1M. Always returns the final value.
+     *
+     * @return string
+     */
+    public function setSessionRangeValue()
+    {
+        $viewRange = Preferences::get('viewRange', '1M');
+        if (!is_null(Session::get('range'))) {
+            // @codeCoverageIgnoreStart
+            $range = Session::get('range');
+            // @codeCoverageIgnoreEnd
+        } else {
+            Preferences::get('viewRange', '1M');
+            //            /** @var \FireflyIII\Shared\Preferences\PreferencesInterface $preferences */
+            //            $preferences = \App::make('FireflyIII\Shared\Preferences\PreferencesInterface');
+            //            $viewRange   = $preferences->get('viewRange', '1M');
+            //            $range = $viewRange->data;
+            $range = '1M';
+            Session::put('range', $range);
+        }
+
+        return $range;
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/Providers/FireflyServiceProvider.php b/app/Providers/FireflyServiceProvider.php
new file mode 100644
index 0000000000..c15d4985cb
--- /dev/null
+++ b/app/Providers/FireflyServiceProvider.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace FireflyIII\Providers;
+
+use Illuminate\Support\ServiceProvider;
+
+class FireflyServiceProvider extends ServiceProvider
+{
+    public function register()
+    {
+        $this->app->bind(
+            'preferences', function () {
+            return new \FireflyIII\Support\Preferences;
+        }
+        );
+    }
+
+}
\ No newline at end of file
diff --git a/app/Support/Facades/Preferences.php b/app/Support/Facades/Preferences.php
new file mode 100644
index 0000000000..70ef74965b
--- /dev/null
+++ b/app/Support/Facades/Preferences.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace FireflyIII\Support\Facades;
+
+use Illuminate\Support\Facades\Facade;
+/**
+ * Class Preferences
+ *
+ * @package FireflyIII\Support\Facades
+ */
+class Preferences extends Facade
+{
+    /**
+     * Get the registered name of the component.
+     *
+     * @return string
+     */
+    protected static function getFacadeAccessor()
+    {
+        return 'preferences';
+    }
+
+}
\ No newline at end of file
diff --git a/app/Support/Preferences.php b/app/Support/Preferences.php
new file mode 100644
index 0000000000..32d47ad1ec
--- /dev/null
+++ b/app/Support/Preferences.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace FireflyIII\Support;
+
+use \FireflyIII\Models\Preference;
+use Auth;
+
+/**
+ * Class Preferences
+ *
+ * @package FireflyIII\Support
+ */
+class Preferences
+{
+    /**
+     * @param      $name
+     * @param null $default
+     *
+     * @return null|\Preference
+     */
+    public function get($name, $default = null)
+    {
+        $pref = Preference::where('user_id', Auth::user()->id)->where('name', $name)->first();
+        if (is_null($pref) && is_null($default)) {
+            // return NULL
+            return null;
+        }
+        if (!is_null($pref)) {
+            return $pref;
+        }
+
+        return $this->set($name, $default);
+
+    }
+
+    /**
+     * @param $name
+     * @param $value
+     *
+     * @return \Preference
+     */
+    public function set($name, $value)
+    {
+        $pref = Preference::where('user_id', Auth::user()->id)->where('name', $name)->first();
+        if (is_null($pref)) {
+            $pref       = new Preference;
+            $pref->name = $name;
+            $pref->user()->associate(Auth::user());
+
+        }
+        $pref->data = $value;
+        $pref->save();
+
+
+        return $pref;
+
+    }
+}
\ No newline at end of file
diff --git a/config/app.php b/config/app.php
index 5dc7850701..2f946b781e 100644
--- a/config/app.php
+++ b/config/app.php
@@ -136,6 +136,7 @@ return [
         'Illuminate\Validation\ValidationServiceProvider',
         'Illuminate\View\ViewServiceProvider',
         'Illuminate\Html\HtmlServiceProvider',
+        'Barryvdh\Debugbar\ServiceProvider',
         'Barryvdh\LaravelIdeHelper\IdeHelperServiceProvider',
 
         /*
diff --git a/storage/debugbar/.gitignore b/storage/debugbar/.gitignore
new file mode 100644
index 0000000000..c96a04f008
--- /dev/null
+++ b/storage/debugbar/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
\ No newline at end of file