Some experiments with a cache control thing. [skip ci]

app/Http/Controllers/AccountController.php

@@ -86,6 +86,7 @@ class AccountController extends Controller
         $repository->destroy($account);
 
         Session::flash('success', trans('firefly.' . $typeName . '_deleted', ['name' => $name]));
+        Preferences::mark();
 
         return Redirect::to(Session::get('accounts.delete.url'));
     }
@@ -206,6 +207,7 @@ class AccountController extends Controller
         $account = $repository->store($accountData);
 
         Session::flash('success', 'New account "' . $account->name . '" stored!');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             // set value so create routine will not overwrite URL:
@@ -246,6 +248,7 @@ class AccountController extends Controller
         $repository->update($account, $accountData);
 
         Session::flash('success', 'Account "' . $account->name . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             // set value so edit routine will not overwrite URL:

app/Http/Controllers/BillController.php

@@ -6,6 +6,7 @@ use FireflyIII\Models\Bill;
 use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Repositories\Bill\BillRepositoryInterface;
 use Input;
+use Preferences;
 use Redirect;
 use Session;
 use URL;
@@ -75,6 +76,7 @@ class BillController extends Controller
         $repository->destroy($bill);
 
         Session::flash('success', 'The bill was deleted.');
+        Preferences::mark();
 
         return Redirect::to(Session::get('bills.delete.url'));
 
@@ -141,6 +143,7 @@ class BillController extends Controller
 
 
         Session::flash('success', 'Rescanned everything.');
+        Preferences::mark();
 
         return Redirect::to(URL::previous());
     }
@@ -172,6 +175,7 @@ class BillController extends Controller
         $billData = $request->getBillData();
         $bill     = $repository->store($billData);
         Session::flash('success', 'Bill "' . e($bill->name) . '" stored.');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             // set value so create routine will not overwrite URL:
@@ -198,6 +202,7 @@ class BillController extends Controller
         $bill     = $repository->update($bill, $billData);
 
         Session::flash('success', 'Bill "' . e($bill->name) . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             // set value so edit routine will not overwrite URL:

app/Http/Controllers/BudgetController.php

@@ -49,6 +49,7 @@ class BudgetController extends Controller
         if ($amount == 0) {
             $limitRepetition = null;
         }
+        Preferences::mark();
 
         return Response::json(['name' => $budget->name, 'repetition' => $limitRepetition ? $limitRepetition->id : 0]);
 
@@ -102,6 +103,7 @@ class BudgetController extends Controller
 
 
         Session::flash('success', 'The  budget "' . e($name) . '" was deleted.');
+        Preferences::mark();
 
 
         return Redirect::to(Session::get('budgets.delete.url'));
@@ -196,6 +198,7 @@ class BudgetController extends Controller
 
         $date = Session::get('start', Carbon::now()->startOfMonth())->format('FY');
         Preferences::set('budgetIncomeTotal' . $date, intval(Input::get('amount')));
+        Preferences::mark();
 
         return Redirect::route('budgets.index');
     }
@@ -242,6 +245,7 @@ class BudgetController extends Controller
         $budget = $repository->store($budgetData);
 
         Session::flash('success', 'New budget "' . $budget->name . '" stored!');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             // set value so create routine will not overwrite URL:
@@ -272,6 +276,7 @@ class BudgetController extends Controller
         $repository->update($budget, $budgetData);
 
         Session::flash('success', 'Budget "' . $budget->name . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             // set value so edit routine will not overwrite URL:

app/Http/Controllers/CategoryController.php

@@ -7,6 +7,7 @@ use FireflyIII\Models\Category;
 use FireflyIII\Repositories\Category\CategoryRepositoryInterface;
 use Illuminate\Pagination\LengthAwarePaginator;
 use Input;
+use Preferences;
 use Redirect;
 use Session;
 use URL;
@@ -77,6 +78,7 @@ class CategoryController extends Controller
         $repository->destroy($category);
 
         Session::flash('success', 'The  category "' . e($name) . '" was deleted.');
+        Preferences::mark();
 
         return Redirect::to(Session::get('categories.delete.url'));
     }
@@ -168,6 +170,7 @@ class CategoryController extends Controller
         $category = $repository->store($categoryData);
 
         Session::flash('success', 'New category "' . $category->name . '" stored!');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             Session::put('categories.create.fromStore', true);
@@ -195,6 +198,7 @@ class CategoryController extends Controller
         $repository->update($category, $categoryData);
 
         Session::flash('success', 'Category "' . $category->name . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             Session::put('categories.edit.fromUpdate', true);

app/Http/Controllers/Chart/AccountController.php

@@ -2,6 +2,7 @@
 
 namespace FireflyIII\Http\Controllers\Chart;
 
+use Auth;
 use Cache;
 use Carbon\Carbon;
 use FireflyIII\Http\Controllers\Controller;
@@ -10,11 +11,11 @@ use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Support\ChartProperties;
 use Grumpydictator\Gchart\GChart;
 use Illuminate\Support\Collection;
+use Log;
 use Preferences;
 use Response;
 use Session;
 use Steam;
-use Auth;
 
 /**
  * Class AccountController
@@ -40,6 +41,23 @@ class AccountController extends Controller
         $start = new Carbon($year . '-' . $month . '-01');
         $end   = clone $start;
         $end->endOfMonth();
+
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('all');
+        $chartProperties->addProperty('accounts');
+        $md5 = $chartProperties->md5();
+
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
+
         $chart->addColumn(trans('firefly.dayOfMonth'), 'date');
 
         /** @var Collection $accounts */
@@ -76,7 +94,10 @@ class AccountController extends Controller
         }
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
     }
 
     /**
@@ -98,22 +119,17 @@ class AccountController extends Controller
 
         // chart properties for cache:
         $chartProperties = new ChartProperties();
-        $chartProperties->addProperty(Auth::user()->id);
-        $chartProperties->addProperty($frontPage);
         $chartProperties->addProperty($start);
         $chartProperties->addProperty($end);
         $chartProperties->addProperty('frontpage');
         $chartProperties->addProperty('accounts');
-
-        /** @var Account $account */
-        foreach($accounts as $account) {
-            $chartProperties->addProperty($repository->getLastActivity($account));
-        }
-
         $md5 = $chartProperties->md5();
 
+
         if (Cache::has($md5)) {
-            return Cache::get($md5);
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
         }
 
 
@@ -165,6 +181,24 @@ class AccountController extends Controller
         $current = clone $start;
         $today   = new Carbon;
 
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('frontpage');
+        $chartProperties->addProperty('single');
+        $chartProperties->addProperty($account->id);
+        $md5 = $chartProperties->md5();
+
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
+
+
         while ($end >= $current) {
             $certain = $current < $today;
             $chart->addRow(clone $current, Steam::balance($account, $current), $certain);
@@ -174,6 +208,9 @@ class AccountController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
     }
 }

app/Http/Controllers/Chart/BillController.php

@@ -8,12 +8,14 @@ use FireflyIII\Models\Bill;
 use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Repositories\Bill\BillRepositoryInterface;
+use FireflyIII\Support\ChartProperties;
 use Grumpydictator\Gchart\GChart;
 use Illuminate\Support\Collection;
 use Response;
 use Session;
 use Steam;
-
+use Cache;
+use Log;
 /**
  * Class BillController
  *
@@ -38,6 +40,18 @@ class BillController extends Controller
         $chart->addColumn(trans('firefly.minAmount'), 'number');
         $chart->addColumn(trans('firefly.billEntry'), 'number');
 
+        $chartProperties = new ChartProperties;
+        $chartProperties->addProperty('single');
+        $chartProperties->addProperty('bill');
+        $chartProperties->addProperty($bill->id);
+        $md5 = $chartProperties->md5();
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
         // get first transaction or today for start:
         $results = $repository->getJournals($bill);
         /** @var TransactionJournal $result */
@@ -47,8 +61,10 @@ class BillController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
 
+        return Response::json($data);
     }
 
     /**
@@ -68,6 +84,22 @@ class BillController extends Controller
 
         $start  = Session::get('start', Carbon::now()->startOfMonth());
         $end    = Session::get('end', Carbon::now()->endOfMonth());
+
+
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('bills');
+        $chartProperties->addProperty('frontpage');
+        $md5 = $chartProperties->md5();
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
         $bills  = $repository->getActiveBills();
         $paid   = new Collection; // journals.
         $unpaid = new Collection; // bills
@@ -133,8 +165,12 @@ class BillController extends Controller
 
         $chart->addRow(trans('firefly.unpaid') . ': ' . join(', ', $unpaidDescriptions), $unpaidAmount);
         $chart->addRow(trans('firefly.paid') . ': ' . join(', ', $paidDescriptions), $paidAmount);
+
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
     }
 }

app/Http/Controllers/Chart/BudgetController.php

@@ -2,7 +2,7 @@
 
 namespace FireflyIII\Http\Controllers\Chart;
 
-use Auth;
+use Cache;
 use Carbon\Carbon;
 use FireflyIII\Http\Controllers\Controller;
 use FireflyIII\Models\Budget;
@@ -11,6 +11,7 @@ use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
 use FireflyIII\Support\ChartProperties;
 use Grumpydictator\Gchart\GChart;
 use Illuminate\Support\Collection;
+use Log;
 use Navigation;
 use Preferences;
 use Response;
@@ -43,6 +44,21 @@ class BudgetController extends Controller
         $final->addYears(2);
         $last = Navigation::endOfX($last, $range, $final);
 
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($first);
+        $chartProperties->addProperty($last);
+        $chartProperties->addProperty('budget');
+        $chartProperties->addProperty('budget');
+        $md5 = $chartProperties->md5();
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
+
         while ($first < $last) {
             $end = Navigation::addPeriod($first, $range, 0);
 
@@ -55,7 +71,10 @@ class BudgetController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
     }
 
     /**
@@ -73,6 +92,22 @@ class BudgetController extends Controller
         $start = clone $repetition->startdate;
         $end   = $repetition->enddate;
 
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('budget');
+        $chartProperties->addProperty('limit');
+        $chartProperties->addProperty($budget->id);
+        $chartProperties->addProperty($repetition->id);
+        $md5 = $chartProperties->md5();
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
         $chart->addColumn(trans('firefly.day'), 'date');
         $chart->addColumn(trans('firefly.left'), 'number');
 
@@ -90,7 +125,10 @@ class BudgetController extends Controller
         }
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
 
     }
 
@@ -114,6 +152,20 @@ class BudgetController extends Controller
         $end        = Session::get('end', Carbon::now()->endOfMonth());
         $allEntries = new Collection;
 
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('budget');
+        $chartProperties->addProperty('all');
+        $md5 = $chartProperties->md5();
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
 
         /** @var Budget $budget */
         foreach ($budgets as $budget) {
@@ -150,7 +202,10 @@ class BudgetController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
 
     }
 
@@ -171,6 +226,21 @@ class BudgetController extends Controller
         $shared  = $shared == 'shared' ? true : false;
         $budgets = $repository->getBudgets();
 
+        // chart properties for cache:
+        $chartProperties = new ChartProperties();
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('budget');
+        $chartProperties->addProperty('year');
+        $md5 = $chartProperties->md5();
+
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
         // add columns:
         $chart->addColumn(trans('firefly.month'), 'date');
         foreach ($budgets as $budget) {
@@ -196,6 +266,9 @@ class BudgetController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
     }
 }

app/Http/Controllers/Chart/CategoryController.php

@@ -3,11 +3,14 @@
 namespace FireflyIII\Http\Controllers\Chart;
 
 
+use Cache;
 use Carbon\Carbon;
 use FireflyIII\Http\Controllers\Controller;
 use FireflyIII\Models\Category;
 use FireflyIII\Repositories\Category\CategoryRepositoryInterface;
+use FireflyIII\Support\ChartProperties;
 use Grumpydictator\Gchart\GChart;
+use Log;
 use Navigation;
 use Preferences;
 use Response;
@@ -75,6 +78,22 @@ class CategoryController extends Controller
 
         $start = Session::get('start', Carbon::now()->startOfMonth());
         $end   = Session::get('end', Carbon::now()->endOfMonth());
+
+        // chart properties for cache:
+        $chartProperties = new ChartProperties;
+        $chartProperties->addProperty($start);
+        $chartProperties->addProperty($end);
+        $chartProperties->addProperty('category');
+        $chartProperties->addProperty('frontpage');
+        $md5 = $chartProperties->md5();
+
+
+        if (Cache::has($md5)) {
+            Log::debug('Successfully returned cached chart [' . $md5 . '].');
+
+            return Response::json(Cache::get($md5));
+        }
+
         $set   = $repository->getCategoriesAndExpensesCorrected($start, $end);
 
         // sort by callback:
@@ -99,7 +118,10 @@ class CategoryController extends Controller
 
         $chart->generate();
 
-        return Response::json($chart->getData());
+        $data = $chart->getData();
+        Cache::forever($md5, $data);
+
+        return Response::json($data);
 
     }
 

app/Http/Controllers/CurrencyController.php

@@ -59,6 +59,7 @@ class CurrencyController extends Controller
     {
 
         Preferences::set('currencyPreference', $currency->code);
+        Preferences::mark();
 
         Session::flash('success', $currency->name . ' is now the default currency.');
         Cache::forget('FFCURRENCYSYMBOL');
@@ -170,6 +171,7 @@ class CurrencyController extends Controller
         if (Auth::user()->hasRole('owner')) {
             $currency = $repository->store($data);
             Session::flash('success', 'Currency "' . $currency->name . '" created');
+
         }
 
         if (intval(Input::get('create_another')) === 1) {
@@ -198,6 +200,7 @@ class CurrencyController extends Controller
             $currency = $repository->update($currency, $data);
         }
         Session::flash('success', 'Currency "' . e($currency->name) . '" updated.');
+        Preferences::mark();
 
 
         if (intval(Input::get('return_to_edit')) === 1) {

app/Http/Controllers/NewUserController.php

@@ -6,6 +6,7 @@ use Config;
 use FireflyIII\Http\Requests\NewUserFormRequest;
 use FireflyIII\Models\AccountMeta;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
+use Preferences;
 use Redirect;
 use Session;
 use View;
@@ -113,6 +114,7 @@ class NewUserController extends Controller
 
         }
         Session::flash('success', 'New account(s) created!');
+        Preferences::mark();
 
         return Redirect::route('home');
     }

app/Http/Controllers/PiggyBankController.php

@@ -10,6 +10,7 @@ use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
 use Illuminate\Support\Collection;
 use Input;
+use Preferences;
 use Redirect;
 use Session;
 use Steam;
@@ -108,6 +109,7 @@ class PiggyBankController extends Controller
 
 
         Session::flash('success', 'Piggy bank "' . e($piggyBank->name) . '" deleted.');
+        Preferences::mark();
         $repository->destroy($piggyBank);
 
         return Redirect::to(Session::get('piggy-banks.delete.url'));
@@ -208,6 +210,7 @@ class PiggyBankController extends Controller
         // set all users piggy banks to zero:
         $repository->reset();
 
+
         if (is_array($data)) {
             foreach ($data as $order => $id) {
                 $repository->setOrder(intval($id), (intval($order) + 1));
@@ -240,6 +243,7 @@ class PiggyBankController extends Controller
             $repository->createEvent($piggyBank, $amount);
 
             Session::flash('success', 'Added ' . Amount::format($amount, false) . ' to "' . e($piggyBank->name) . '".');
+            Preferences::mark();
         } else {
             Session::flash('error', 'Could not add ' . Amount::format($amount, false) . ' to "' . e($piggyBank->name) . '".');
         }
@@ -268,6 +272,7 @@ class PiggyBankController extends Controller
             $repository->createEvent($piggyBank, $amount * -1);
 
             Session::flash('success', 'Removed ' . Amount::format($amount, false) . ' from "' . e($piggyBank->name) . '".');
+            Preferences::mark();
         } else {
             Session::flash('error', 'Could not remove ' . Amount::format($amount, false) . ' from "' . e($piggyBank->name) . '".');
         }
@@ -328,6 +333,7 @@ class PiggyBankController extends Controller
         $piggyBank = $repository->store($piggyBankData);
 
         Session::flash('success', 'Stored piggy bank "' . e($piggyBank->name) . '".');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             Session::put('piggy-banks.create.fromStore', true);
@@ -362,6 +368,7 @@ class PiggyBankController extends Controller
         $piggyBank = $repository->update($piggyBank, $piggyBankData);
 
         Session::flash('success', 'Updated piggy bank "' . e($piggyBank->name) . '".');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             Session::put('piggy-banks.edit.fromUpdate', true);

app/Http/Controllers/PreferencesController.php

@@ -77,6 +77,7 @@ class PreferencesController extends Controller
 
 
         Session::flash('success', 'Preferences saved!');
+        Preferences::mark();
 
         return Redirect::route('preferences');
     }

app/Http/Controllers/TagController.php

@@ -106,6 +106,7 @@ class TagController extends Controller
         $repository->destroy($tag);
 
         Session::flash('success', 'Tag "' . e($tagName) . '" was deleted.');
+        Preferences::mark();
 
         return Redirect::to(route('tags.index'));
     }
@@ -226,6 +227,7 @@ class TagController extends Controller
         $repository->store($data);
 
         Session::flash('success', 'The tag has been created!');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             // set value so create routine will not overwrite URL:
@@ -271,6 +273,7 @@ class TagController extends Controller
         $repository->update($tag, $data);
 
         Session::flash('success', 'Tag "' . e($data['tag']) . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             // set value so edit routine will not overwrite URL:

app/Http/Controllers/TransactionController.php

@@ -11,6 +11,7 @@ use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Repositories\Journal\JournalRepositoryInterface;
 use Input;
+use Preferences;
 use Redirect;
 use Response;
 use Session;
@@ -104,6 +105,8 @@ class TransactionController extends Controller
 
         $repository->delete($transactionJournal);
 
+        Preferences::mark();
+
         // redirect to previous URL:
         return Redirect::to(Session::get('transactions.delete.url'));
     }
@@ -235,6 +238,7 @@ class TransactionController extends Controller
                 }
             }
         }
+        Preferences::mark();
 
         return Response::json([true]);
 
@@ -281,6 +285,7 @@ class TransactionController extends Controller
         $repository->deactivateReminder($request->get('reminder_id'));
 
         Session::flash('success', 'New transaction "' . $journal->description . '" stored!');
+        Preferences::mark();
 
         if (intval(Input::get('create_another')) === 1) {
             // set value so create routine will not overwrite URL:
@@ -312,6 +317,7 @@ class TransactionController extends Controller
         // update, get events by date and sort DESC
 
         Session::flash('success', 'Transaction "' . e($journalData['description']) . '" updated.');
+        Preferences::mark();
 
         if (intval(Input::get('return_to_edit')) === 1) {
             // set value so edit routine will not overwrite URL:

app/Support/ChartProperties.php

@@ -3,9 +3,11 @@
 namespace FireflyIII\Support;
 
 
+use Auth;
 use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Collection as EloquentCollection;
 use Illuminate\Support\Collection;
+use Preferences;
 
 /**
  * Class ChartProperties
@@ -24,6 +26,8 @@ class ChartProperties
     public function __construct()
     {
         $this->properties = new Collection;
+        $this->addProperty(Auth::user()->id);
+        $this->addProperty(Preferences::lastActivity());
     }
 
     /**
@@ -41,25 +45,33 @@ class ChartProperties
     public function md5()
     {
         $string = '';
+        //Log::debug('--- building string ---');
         foreach ($this->properties as $property) {
 
             if ($property instanceof Collection || $property instanceof EloquentCollection) {
                 $string .= print_r($property->toArray(), true);
+                //                Log::debug('added collection (size=' . $property->count() . ')');
                 continue;
             }
             if ($property instanceof Carbon) {
                 $string .= $property->toRfc3339String();
+                //                Log::debug('Added time: ' . $property->toRfc3339String());
                 continue;
             }
             if (is_object($property)) {
                 $string .= $property->__toString();
+                //                Log::debug('Added object of class ' . get_class($property));
             }
             if (is_array($property)) {
                 $string .= print_r($property, true);
+                //                Log::debug('Added array (size=' . count($property) . ')');
             }
             $string .= (string)$property;
+            //            Log::debug('Added cast to string: ' . $property);
         }
 
+        //        Log::debug('--- done building string ---');
+
         return md5($string);
     }
 }

app/Support/Preferences.php

@@ -4,7 +4,7 @@ namespace FireflyIII\Support;
 
 use Auth;
 use FireflyIII\Models\Preference;
-
+use Log;
 /**
  * Class Preferences
  *
@@ -12,6 +12,25 @@ use FireflyIII\Models\Preference;
  */
 class Preferences
 {
+    /**
+     * @return string
+     */
+    public function lastActivity()
+    {
+        $preference = $this->get('lastActivity', microtime())->data;
+
+        return md5($preference);
+    }
+
+    /**
+     * @return bool
+     */
+    public function mark() {
+        Log::debug('MARK!');
+        $this->set('lastActivity',microtime());
+        return true;
+    }
+
     /**
      * @param      $name
      * @param null $default