diff --git a/app/Helpers/Help/Help.php b/app/Helpers/Help/Help.php
index 787d4710fe..1831591db4 100644
--- a/app/Helpers/Help/Help.php
+++ b/app/Helpers/Help/Help.php
@@ -76,8 +76,8 @@ class Help implements HelpInterface
             $statusCode = $res->getStatusCode();
             $content    = trim($res->getBody()->getContents());
         } catch (GuzzleException|Exception $e) {
-            Log::error($e->getMessage());
-            Log::error($e->getTraceAsString());
+            Log::info($e->getMessage());
+            Log::info($e->getTraceAsString());
         }
 
         Log::debug(sprintf('Status code is %d', $statusCode));
diff --git a/app/Http/Controllers/Auth/RegisterController.php b/app/Http/Controllers/Auth/RegisterController.php
index 59b0ccaf30..f1703a1884 100644
--- a/app/Http/Controllers/Auth/RegisterController.php
+++ b/app/Http/Controllers/Auth/RegisterController.php
@@ -25,6 +25,7 @@ namespace FireflyIII\Http\Controllers\Auth;
 
 use FireflyConfig;
 use FireflyIII\Http\Controllers\Controller;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use FireflyIII\User;
 use Illuminate\Auth\Events\Registered;
 use Illuminate\Contracts\Validation\Validator as ValidatorContract;
@@ -43,7 +44,7 @@ use Illuminate\Support\Facades\Validator;
  */
 class RegisterController extends Controller
 {
-    use RegistersUsers;
+    use RegistersUsers, RequestInformation;
 
     /**
      * Where to redirect users after registration.
@@ -135,22 +136,4 @@ class RegisterController extends Controller
             ]
         );
     }
-
-    /**
-     * Get a validator for an incoming registration request.
-     *
-     * @param array $data
-     *
-     * @return ValidatorContract
-     */
-    protected function validator(array $data): ValidatorContract
-    {
-        return Validator::make(
-            $data,
-            [
-                'email'    => 'required|string|email|max:255|unique:users',
-                'password' => 'required|string|secure_password|confirmed',
-            ]
-        );
-    }
 }
diff --git a/app/Http/Controllers/Budget/IndexController.php b/app/Http/Controllers/Budget/IndexController.php
index 882fe1d63a..78bd66d719 100644
--- a/app/Http/Controllers/Budget/IndexController.php
+++ b/app/Http/Controllers/Budget/IndexController.php
@@ -25,13 +25,11 @@ namespace FireflyIII\Http\Controllers\Budget;
 
 
 use Carbon\Carbon;
-use Exception;
 use FireflyIII\Http\Controllers\Controller;
 use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
 use FireflyIII\Support\Http\Controllers\DateCalculation;
 use Illuminate\Http\Request;
 use Illuminate\Pagination\LengthAwarePaginator;
-use Log;
 
 /**
  *
diff --git a/app/Http/Controllers/Category/NoCategoryController.php b/app/Http/Controllers/Category/NoCategoryController.php
index 24af122196..19ab68dd4e 100644
--- a/app/Http/Controllers/Category/NoCategoryController.php
+++ b/app/Http/Controllers/Category/NoCategoryController.php
@@ -105,7 +105,7 @@ class NoCategoryController extends Controller
     /**
      * Show all transactions without a category.
      *
-     * @param Request     $request
+     * @param Request $request
      *
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
diff --git a/app/Http/Controllers/Category/ShowController.php b/app/Http/Controllers/Category/ShowController.php
index fed7bd8f07..bc03dc6f22 100644
--- a/app/Http/Controllers/Category/ShowController.php
+++ b/app/Http/Controllers/Category/ShowController.php
@@ -151,7 +151,7 @@ class ShowController extends Controller
         $transactions = $collector->getPaginatedJournals();
         $transactions->setPath($path);
 
-        return view('categories.show', compact('category',  'transactions', 'periods', 'subTitle', 'subTitleIcon', 'start', 'end'));
+        return view('categories.show', compact('category', 'transactions', 'periods', 'subTitle', 'subTitleIcon', 'start', 'end'));
     }
 
     /**
diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index 24bd8c6157..8b6e7e8a9c 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 namespace FireflyIII\Http\Controllers;
 
 use FireflyConfig;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use FireflyIII\Support\Http\Controllers\UserNavigation;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Foundation\Bus\DispatchesJobs;
@@ -38,7 +39,7 @@ use Route;
  */
 class Controller extends BaseController
 {
-    use AuthorizesRequests, DispatchesJobs, ValidatesRequests, UserNavigation;
+    use AuthorizesRequests, DispatchesJobs, ValidatesRequests, UserNavigation, RequestInformation;
 
     /** @var string Format for date and time. */
     protected $dateTimeFormat;
@@ -90,62 +91,4 @@ class Controller extends BaseController
         );
     }
 
-
-    /**
-     * Get user's language.
-     *
-     * @return string
-     */
-    protected function getLanguage(): string // get preference
-    {
-        /** @var string $language */
-        $language = app('preferences')->get('language', config('firefly.default_language', 'en_US'))->data;
-
-        return $language;
-    }
-
-    /**
-     * @return string
-     */
-    protected function getPageName(): string // get request info
-    {
-        return str_replace('.', '_', Route::currentRouteName());
-    }
-
-    /**
-     * Get the specific name of a page for intro.
-     *
-     * @return string
-     */
-    protected function getSpecificPageName(): string // get request info
-    {
-        return null === Route::current()->parameter('what') ? '' : '_' . Route::current()->parameter('what');
-    }
-
-    /**
-     * Returns if user has seen demo.
-     *
-     * @return bool
-     */
-    protected function hasSeenDemo(): bool // get request info + get preference
-    {
-        $page         = $this->getPageName();
-        $specificPage = $this->getSpecificPageName();
-
-        // indicator if user has seen the help for this page ( + special page):
-        $key = 'shown_demo_' . $page . $specificPage;
-        // is there an intro for this route?
-        $intro        = config('intro.' . $page) ?? [];
-        $specialIntro = config('intro.' . $page . $specificPage) ?? [];
-        // some routes have a "what" parameter, which indicates a special page:
-
-        $shownDemo = true;
-        // both must be array and either must be > 0
-        if (\count($intro) > 0 || \count($specialIntro) > 0) {
-            $shownDemo = app('preferences')->get($key, false)->data;
-            Log::debug(sprintf('Check if user has already seen intro with key "%s". Result is %d', $key, $shownDemo));
-        }
-
-        return $shownDemo;
-    }
 }
diff --git a/app/Http/Controllers/DebugController.php b/app/Http/Controllers/DebugController.php
index bb153411b0..ab401b393d 100644
--- a/app/Http/Controllers/DebugController.php
+++ b/app/Http/Controllers/DebugController.php
@@ -241,6 +241,31 @@ class DebugController extends Controller
         return redirect(route('home'));
     }
 
+    /**
+     * All packages that are installed.
+     *
+     * @return array
+     */
+    protected function collectPackages(): array  // get configuration
+    {
+        $packages = [];
+        $file     = \dirname(__DIR__, 3) . '/vendor/composer/installed.json';
+        if (file_exists($file)) {
+            // file exists!
+            $content = file_get_contents($file);
+            $json    = json_decode($content, true);
+            foreach ($json as $package) {
+                $packages[]
+                    = [
+                    'name'    => $package['name'],
+                    'version' => $package['version'],
+                ];
+            }
+        }
+
+        return $packages;
+    }
+
     /**
      * Some common combinations.
      *
@@ -266,29 +291,4 @@ class DebugController extends Controller
 
         return $result;
     }
-
-    /**
-     * All packages that are installed.
-     *
-     * @return array
-     */
-    protected function collectPackages(): array  // get configuration
-    {
-        $packages = [];
-        $file     = \dirname(__DIR__, 3) . '/vendor/composer/installed.json';
-        if (file_exists($file)) {
-            // file exists!
-            $content = file_get_contents($file);
-            $json    = json_decode($content, true);
-            foreach ($json as $package) {
-                $packages[]
-                    = [
-                    'name'    => $package['name'],
-                    'version' => $package['version'],
-                ];
-            }
-        }
-
-        return $packages;
-    }
 }
diff --git a/app/Http/Controllers/HelpController.php b/app/Http/Controllers/HelpController.php
index bfd6742556..7ca1e7909a 100644
--- a/app/Http/Controllers/HelpController.php
+++ b/app/Http/Controllers/HelpController.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 namespace FireflyIII\Http\Controllers;
 
 use FireflyIII\Helpers\Help\HelpInterface;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use Illuminate\Http\JsonResponse;
 use Log;
 
@@ -31,24 +32,7 @@ use Log;
  */
 class HelpController extends Controller
 {
-    /** @var HelpInterface Help interface. */
-    private $help;
-
-    /**
-     * HelpController constructor.
-     */
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->middleware(
-            function ($request, $next) {
-                $this->help = app(HelpInterface::class);
-
-                return $next($request);
-            }
-        );
-    }
+    use RequestInformation;
 
     /**
      * Show help for a route.
@@ -66,61 +50,4 @@ class HelpController extends Controller
         return response()->json(['html' => $html]);
     }
 
-    /**
-     * Gets the help text.
-     *
-     * @param string $route
-     * @param string $language
-     *
-     * @return string
-     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
-     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
-     */
-    protected function getHelpText(string $route, string $language): string // get from internet.
-    {
-        // get language and default variables.
-        $content = '<p>' . trans('firefly.route_has_no_help') . '</p>';
-
-        // if no such route, log error and return default text.
-        if (!$this->help->hasRoute($route)) {
-            Log::error('No such route: ' . $route);
-
-            return $content;
-        }
-
-        // help content may be cached:
-        if ($this->help->inCache($route, $language)) {
-            $content = $this->help->getFromCache($route, $language);
-            Log::debug(sprintf('Help text %s was in cache.', $language));
-
-            return $content;
-        }
-
-        // get help content from Github:
-        $content = $this->help->getFromGitHub($route, $language);
-
-        // content will have 0 length when Github failed. Try en_US when it does:
-        if ('' === $content) {
-            $language = 'en_US';
-
-            // also check cache first:
-            if ($this->help->inCache($route, $language)) {
-                Log::debug(sprintf('Help text %s was in cache.', $language));
-                $content = $this->help->getFromCache($route, $language);
-
-                return $content;
-            }
-
-            $content = $this->help->getFromGitHub($route, $language);
-        }
-
-        // help still empty?
-        if ('' !== $content) {
-            $this->help->putInCache($route, $language, $content);
-
-            return $content;
-        }
-
-        return '<p>' . trans('firefly.route_has_no_help') . '</p>';
-    }
 }
diff --git a/app/Http/Controllers/Json/BoxController.php b/app/Http/Controllers/Json/BoxController.php
index b9cb4c092c..6e162f4640 100644
--- a/app/Http/Controllers/Json/BoxController.php
+++ b/app/Http/Controllers/Json/BoxController.php
@@ -35,6 +35,7 @@ use FireflyIII\Repositories\Bill\BillRepositoryInterface;
 use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
 use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
 use FireflyIII\Support\CacheProperties;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use Illuminate\Http\JsonResponse;
 
 /**
@@ -42,6 +43,7 @@ use Illuminate\Http\JsonResponse;
  */
 class BoxController extends Controller
 {
+    use RequestInformation;
 
     /**
      * How much money user has available.
@@ -322,29 +324,5 @@ class BoxController extends Controller
         return $accountCurrency;
     }
 
-    /**
-     * Check if date is outside session range.
-     *
-     * @param Carbon $date
-     *
-     * @return bool
-     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
-     */
-    protected function notInSessionRange(Carbon $date): bool // Validate a preference
-    {
-        /** @var Carbon $start */
-        $start = session('start', Carbon::now()->startOfMonth());
-        /** @var Carbon $end */
-        $end    = session('end', Carbon::now()->endOfMonth());
-        $result = false;
-        if ($start->greaterThanOrEqualTo($date) && $end->greaterThanOrEqualTo($date)) {
-            $result = true;
-        }
-        // start and end in the past? use $end
-        if ($start->lessThanOrEqualTo($date) && $end->lessThanOrEqualTo($date)) {
-            $result = true;
-        }
 
-        return $result;
-    }
 }
diff --git a/app/Http/Controllers/PiggyBankController.php b/app/Http/Controllers/PiggyBankController.php
index 087f227379..bc23632b74 100644
--- a/app/Http/Controllers/PiggyBankController.php
+++ b/app/Http/Controllers/PiggyBankController.php
@@ -208,7 +208,7 @@ class PiggyBankController extends Controller
                       'targetamount' => $piggyBank->targetamount,
                       'targetdate'   => $targetDate,
                       'startdate'    => $startDate,
-                      'notes'         => null === $note ? '' : $note->text,
+                      'notes'        => null === $note ? '' : $note->text,
         ];
         session()->flash('preFilled', $preFilled);
 
diff --git a/app/Http/Controllers/Popup/ReportController.php b/app/Http/Controllers/Popup/ReportController.php
index 452733f4c9..b1204fb5f1 100644
--- a/app/Http/Controllers/Popup/ReportController.php
+++ b/app/Http/Controllers/Popup/ReportController.php
@@ -30,6 +30,7 @@ use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
 use FireflyIII\Repositories\Category\CategoryRepositoryInterface;
 use FireflyIII\Support\Binder\AccountList;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Routing\Route;
@@ -44,6 +45,7 @@ use Throwable;
  */
 class ReportController extends Controller
 {
+    use RequestInformation;
     /** @var AccountRepositoryInterface The account repository */
     private $accountRepository;
     /** @var BudgetRepositoryInterface The budget repository */
@@ -260,33 +262,5 @@ class ReportController extends Controller
         return $view;
     }
 
-    /**
-     * Parses attributes from URI.
-     *
-     * @param array $attributes
-     *
-     * @return array
-     */
-    protected function parseAttributes(array $attributes): array // parse input + return result
-    {
-        $attributes['location'] = $attributes['location'] ?? '';
-        $attributes['accounts'] = AccountList::routeBinder($attributes['accounts'] ?? '', new Route('get', '', []));
-        try {
-            $attributes['startDate'] = Carbon::createFromFormat('Ymd', $attributes['startDate']);
-        } catch (InvalidArgumentException $e) {
-            Log::debug(sprintf('Not important error message: %s', $e->getMessage()));
-            $date                    = Carbon::now()->startOfMonth();
-            $attributes['startDate'] = $date;
-        }
 
-        try {
-            $attributes['endDate'] = Carbon::createFromFormat('Ymd', $attributes['endDate']);
-        } catch (InvalidArgumentException $e) {
-            Log::debug(sprintf('Not important error message: %s', $e->getMessage()));
-            $date                  = Carbon::now()->startOfMonth();
-            $attributes['endDate'] = $date;
-        }
-
-        return $attributes;
-    }
 }
diff --git a/app/Http/Controllers/ProfileController.php b/app/Http/Controllers/ProfileController.php
index 2219b128ce..2d4c9ad0db 100644
--- a/app/Http/Controllers/ProfileController.php
+++ b/app/Http/Controllers/ProfileController.php
@@ -35,6 +35,7 @@ use FireflyIII\Http\Requests\ProfileFormRequest;
 use FireflyIII\Http\Requests\TokenFormRequest;
 use FireflyIII\Models\Preference;
 use FireflyIII\Repositories\User\UserRepositoryInterface;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use FireflyIII\User;
 use Google2FA;
 use Hash;
@@ -54,6 +55,7 @@ use phpseclib\Crypt\RSA;
  */
 class ProfileController extends Controller
 {
+    use RequestInformation;
     /**
      * ProfileController constructor.
      */
@@ -439,30 +441,6 @@ class ProfileController extends Controller
         return redirect(route('login'));
     }
 
-    /**
-     * Validate users new password.
-     *
-     * @param User   $user
-     * @param string $current
-     * @param string $new
-     *
-     * @return bool
-     *
-     * @throws ValidationException
-     */
-    protected function validatePassword(User $user, string $current, string $new): bool //get request info
-    {
-        if (!Hash::check($current, $user->password)) {
-            throw new ValidationException((string)trans('firefly.invalid_current_password'));
-        }
-
-        if ($current === $new) {
-            throw new ValidationException((string)trans('firefly.should_change'));
-        }
-
-        return true;
-    }
-
     /**
      * Create new RSA keys.
      */
@@ -485,18 +463,5 @@ class ProfileController extends Controller
         file_put_contents($publicKey, array_get($keys, 'publickey'));
         file_put_contents($privateKey, array_get($keys, 'privatekey'));
     }
-    // @codeCoverageIgnoreEnd
 
-    /**
-     * Get the domain of FF system.
-     *
-     * @return string
-     */
-    protected function getDomain(): string // get request info
-    {
-        $url   = url()->to('/');
-        $parts = parse_url($url);
-
-        return $parts['host'];
-    }
 }
diff --git a/app/Http/Controllers/Recurring/IndexController.php b/app/Http/Controllers/Recurring/IndexController.php
index a939b63a46..5981e82c1e 100644
--- a/app/Http/Controllers/Recurring/IndexController.php
+++ b/app/Http/Controllers/Recurring/IndexController.php
@@ -96,7 +96,8 @@ class IndexController extends Controller
         }
         $paginator = new LengthAwarePaginator($recurring, $total, $pageSize, $page);
         $paginator->setPath(route('recurring.index'));
-        return view('recurring.index', compact('paginator', 'page', 'pageSize','total'));
+
+        return view('recurring.index', compact('paginator', 'page', 'pageSize', 'total'));
     }
 
     /**
diff --git a/app/Http/Controllers/Report/OperationsController.php b/app/Http/Controllers/Report/OperationsController.php
index 4a5fa1061c..383629446b 100644
--- a/app/Http/Controllers/Report/OperationsController.php
+++ b/app/Http/Controllers/Report/OperationsController.php
@@ -113,7 +113,7 @@ class OperationsController extends Controller
         $entries = $this->tasker->getIncomeReport($start, $end, $accounts);
         $type    = 'income-entry';
         try {
-        $result  = view('reports.partials.income-expenses', compact('entries', 'type'))->render();
+            $result = view('reports.partials.income-expenses', compact('entries', 'type'))->render();
         } catch (Throwable $e) {
             Log::debug(sprintf('Could not render reports.partials.income-expenses: %s', $e->getMessage()));
             $result = 'Could not render view.';
@@ -165,7 +165,7 @@ class OperationsController extends Controller
             )
         );
         try {
-        $result = view('reports.partials.operations', compact('incomeSum', 'expensesSum'))->render();
+            $result = view('reports.partials.operations', compact('incomeSum', 'expensesSum'))->render();
         } catch (Throwable $e) {
             Log::debug(sprintf('Could not render reports.partials.operations: %s', $e->getMessage()));
             $result = 'Could not render view.';
diff --git a/app/Http/Controllers/Rule/SelectController.php b/app/Http/Controllers/Rule/SelectController.php
index 56af135847..4de34985ed 100644
--- a/app/Http/Controllers/Rule/SelectController.php
+++ b/app/Http/Controllers/Rule/SelectController.php
@@ -32,6 +32,7 @@ use FireflyIII\Http\Requests\TestRuleFormRequest;
 use FireflyIII\Jobs\ExecuteRuleOnExistingTransactions;
 use FireflyIII\Models\Rule;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use FireflyIII\Support\Http\Controllers\RuleManagement;
 use FireflyIII\TransactionRules\TransactionMatcher;
 use FireflyIII\User;
@@ -48,7 +49,7 @@ use Throwable;
  */
 class SelectController extends Controller
 {
-    use RuleManagement;
+    use RuleManagement, RequestInformation;
     /** @var AccountRepositoryInterface The account repository */
     private $accountRepos;
 
@@ -256,27 +257,4 @@ class SelectController extends Controller
     }
 
 
-    /**
-     * Get a list of triggers.
-     *
-     * @param TestRuleFormRequest $request
-     *
-     * @return array
-     */
-    protected function getValidTriggerList(TestRuleFormRequest $request): array // process input
-    {
-        $triggers = [];
-        $data     = $request->get('rule_triggers');
-        if (\is_array($data)) {
-            foreach ($data as $index => $triggerInfo) {
-                $triggers[] = [
-                    'type'            => $triggerInfo['name'] ?? '',
-                    'value'           => $triggerInfo['value'] ?? '',
-                    'stop_processing' => 1 === (int)($triggerInfo['stop_processing'] ?? '0'),
-                ];
-            }
-        }
-
-        return $triggers;
-    }
 }
diff --git a/app/Http/Controllers/Transaction/SplitController.php b/app/Http/Controllers/Transaction/SplitController.php
index f0420a20a6..7f6b27707a 100644
--- a/app/Http/Controllers/Transaction/SplitController.php
+++ b/app/Http/Controllers/Transaction/SplitController.php
@@ -35,6 +35,7 @@ use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
 use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
 use FireflyIII\Repositories\Journal\JournalRepositoryInterface;
 use FireflyIII\Support\Http\Controllers\ModelInformation;
+use FireflyIII\Support\Http\Controllers\RequestInformation;
 use FireflyIII\Transformers\TransactionTransformer;
 use Illuminate\Http\Request;
 use Illuminate\Support\Collection;
@@ -48,7 +49,7 @@ use View;
  */
 class SplitController extends Controller
 {
-    use ModelInformation;
+    use ModelInformation, RequestInformation;
 
     /** @var AttachmentHelperInterface Attachment helper */
     private $attachments;
@@ -176,95 +177,7 @@ class SplitController extends Controller
         return redirect($this->getPreviousUri('transactions.edit-split.uri'));
     }
 
-    /**
-     * Create data-array from a journal.
-     *
-     * @param SplitJournalFormRequest|Request $request
-     * @param TransactionJournal              $journal
-     *
-     * @return array
-     * @throws FireflyException
-     */
-    protected function arrayFromJournal(Request $request, TransactionJournal $journal): array // convert user input.
-    {
-        $sourceAccounts      = $this->repository->getJournalSourceAccounts($journal);
-        $destinationAccounts = $this->repository->getJournalDestinationAccounts($journal);
-        $array               = [
-            'journal_description'    => $request->old('journal_description', $journal->description),
-            'journal_amount'         => '0',
-            'journal_foreign_amount' => '0',
-            'sourceAccounts'         => $sourceAccounts,
-            'journal_source_id'      => $request->old('journal_source_id', $sourceAccounts->first()->id),
-            'journal_source_name'    => $request->old('journal_source_name', $sourceAccounts->first()->name),
-            'journal_destination_id' => $request->old('journal_destination_id', $destinationAccounts->first()->id),
-            'destinationAccounts'    => $destinationAccounts,
-            'what'                   => strtolower($this->repository->getTransactionType($journal)),
-            'date'                   => $request->old('date', $this->repository->getJournalDate($journal, null)),
-            'tags'                   => implode(',', $journal->tags->pluck('tag')->toArray()),
 
-            // all custom fields:
-            'interest_date'          => $request->old('interest_date', $this->repository->getMetaField($journal, 'interest_date')),
-            'book_date'              => $request->old('book_date', $this->repository->getMetaField($journal, 'book_date')),
-            'process_date'           => $request->old('process_date', $this->repository->getMetaField($journal, 'process_date')),
-            'due_date'               => $request->old('due_date', $this->repository->getMetaField($journal, 'due_date')),
-            'payment_date'           => $request->old('payment_date', $this->repository->getMetaField($journal, 'payment_date')),
-            'invoice_date'           => $request->old('invoice_date', $this->repository->getMetaField($journal, 'invoice_date')),
-            'internal_reference'     => $request->old('internal_reference', $this->repository->getMetaField($journal, 'internal_reference')),
-            'notes'                  => $request->old('notes', $this->repository->getNoteText($journal)),
-
-            // transactions.
-            'transactions'           => $this->getTransactionDataFromJournal($journal),
-        ];
-        // update transactions array with old request data.
-        $array['transactions'] = $this->updateWithPrevious($array['transactions'], $request->old());
-
-        // update journal amount and foreign amount:
-        $array['journal_amount']         = array_sum(array_column($array['transactions'], 'amount'));
-        $array['journal_foreign_amount'] = array_sum(array_column($array['transactions'], 'foreign_amount'));
-
-        return $array;
-    }
-
-    /**
-     * Get transaction overview from journal.
-     *
-     * @param TransactionJournal $journal
-     *
-     * @return array
-     * @throws FireflyException
-     *
-     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
-     */
-    protected function getTransactionDataFromJournal(TransactionJournal $journal): array // convert object
-    {
-        // use collector to collect transactions.
-        $collector = app(JournalCollectorInterface::class);
-        $collector->setUser(auth()->user());
-        $collector->withOpposingAccount()->withCategoryInformation()->withBudgetInformation();
-        // filter on specific journals.
-        $collector->setJournals(new Collection([$journal]));
-        $set          = $collector->getJournals();
-        $transactions = [];
-        $transformer  = new TransactionTransformer(new ParameterBag);
-        /** @var Transaction $transaction */
-        foreach ($set as $transaction) {
-            $res = [];
-            if ((float)$transaction->transaction_amount > 0 && $journal->transactionType->type === TransactionType::DEPOSIT) {
-                $res = $transformer->transform($transaction);
-            }
-            if ((float)$transaction->transaction_amount < 0 && $journal->transactionType->type !== TransactionType::DEPOSIT) {
-                $res = $transformer->transform($transaction);
-            }
-
-            if (\count($res) > 0) {
-                $res['amount']         = app('steam')->positive((string)$res['amount']);
-                $res['foreign_amount'] = app('steam')->positive((string)$res['foreign_amount']);
-                $transactions[]        = $res;
-            }
-        }
-
-        return $transactions;
-    }
 
     /**
      * Get info from old input.
diff --git a/app/Support/Http/Controllers/RequestInformation.php b/app/Support/Http/Controllers/RequestInformation.php
new file mode 100644
index 0000000000..93caf0b424
--- /dev/null
+++ b/app/Support/Http/Controllers/RequestInformation.php
@@ -0,0 +1,399 @@
+<?php
+/**
+ * RequestInformation.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Support\Http\Controllers;
+
+use Carbon\Carbon;
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Exceptions\ValidationException;
+use FireflyIII\Helpers\Collector\JournalCollectorInterface;
+use FireflyIII\Helpers\Help\HelpInterface;
+use FireflyIII\Http\Requests\SplitJournalFormRequest;
+use FireflyIII\Http\Requests\TestRuleFormRequest;
+use FireflyIII\Models\Transaction;
+use FireflyIII\Models\TransactionJournal;
+use FireflyIII\Models\TransactionType;
+use FireflyIII\Support\Binder\AccountList;
+use FireflyIII\Transformers\TransactionTransformer;
+use FireflyIII\User;
+use Hash;
+use Illuminate\Contracts\Validation\Validator as ValidatorContract;
+use Illuminate\Http\Request;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\Validator;
+use InvalidArgumentException;
+use Log;
+use Route;
+use Symfony\Component\HttpFoundation\ParameterBag;
+
+/**
+ * Trait RequestInformation
+ *
+ * @package FireflyIII\Support\Http\Controllers
+ */
+trait RequestInformation
+{
+
+    /**
+     * Create data-array from a journal.
+     *
+     * @param SplitJournalFormRequest|Request $request
+     * @param TransactionJournal              $journal
+     *
+     * @return array
+     * @throws FireflyException
+     */
+    protected function arrayFromJournal(Request $request, TransactionJournal $journal): array // convert user input.
+    {
+        $sourceAccounts      = $this->repository->getJournalSourceAccounts($journal);
+        $destinationAccounts = $this->repository->getJournalDestinationAccounts($journal);
+        $array               = [
+            'journal_description'    => $request->old('journal_description', $journal->description),
+            'journal_amount'         => '0',
+            'journal_foreign_amount' => '0',
+            'sourceAccounts'         => $sourceAccounts,
+            'journal_source_id'      => $request->old('journal_source_id', $sourceAccounts->first()->id),
+            'journal_source_name'    => $request->old('journal_source_name', $sourceAccounts->first()->name),
+            'journal_destination_id' => $request->old('journal_destination_id', $destinationAccounts->first()->id),
+            'destinationAccounts'    => $destinationAccounts,
+            'what'                   => strtolower($this->repository->getTransactionType($journal)),
+            'date'                   => $request->old('date', $this->repository->getJournalDate($journal, null)),
+            'tags'                   => implode(',', $journal->tags->pluck('tag')->toArray()),
+
+            // all custom fields:
+            'interest_date'          => $request->old('interest_date', $this->repository->getMetaField($journal, 'interest_date')),
+            'book_date'              => $request->old('book_date', $this->repository->getMetaField($journal, 'book_date')),
+            'process_date'           => $request->old('process_date', $this->repository->getMetaField($journal, 'process_date')),
+            'due_date'               => $request->old('due_date', $this->repository->getMetaField($journal, 'due_date')),
+            'payment_date'           => $request->old('payment_date', $this->repository->getMetaField($journal, 'payment_date')),
+            'invoice_date'           => $request->old('invoice_date', $this->repository->getMetaField($journal, 'invoice_date')),
+            'internal_reference'     => $request->old('internal_reference', $this->repository->getMetaField($journal, 'internal_reference')),
+            'notes'                  => $request->old('notes', $this->repository->getNoteText($journal)),
+
+            // transactions.
+            'transactions'           => $this->getTransactionDataFromJournal($journal),
+        ];
+        // update transactions array with old request data.
+        $array['transactions'] = $this->updateWithPrevious($array['transactions'], $request->old());
+
+        // update journal amount and foreign amount:
+        $array['journal_amount']         = array_sum(array_column($array['transactions'], 'amount'));
+        $array['journal_foreign_amount'] = array_sum(array_column($array['transactions'], 'foreign_amount'));
+
+        return $array;
+    }
+
+    /**
+     * Get the domain of FF system.
+     *
+     * @return string
+     */
+    protected function getDomain(): string // get request info
+    {
+        $url   = url()->to('/');
+        $parts = parse_url($url);
+
+        return $parts['host'];
+    }
+
+    /**
+     * Gets the help text.
+     *
+     * @param string $route
+     * @param string $language
+     *
+     * @return string
+     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    protected function getHelpText(string $route, string $language): string // get from internet.
+    {
+        $help = app(HelpInterface::class);
+        // get language and default variables.
+        $content = '<p>' . trans('firefly.route_has_no_help') . '</p>';
+
+        // if no such route, log error and return default text.
+        if (!$help->hasRoute($route)) {
+            Log::error('No such route: ' . $route);
+
+            return $content;
+        }
+
+        // help content may be cached:
+        if ($help->inCache($route, $language)) {
+            $content = $help->getFromCache($route, $language);
+            Log::debug(sprintf('Help text %s was in cache.', $language));
+
+            return $content;
+        }
+
+        // get help content from Github:
+        $content = $help->getFromGitHub($route, $language);
+
+        // content will have 0 length when Github failed. Try en_US when it does:
+        if ('' === $content) {
+            $language = 'en_US';
+
+            // also check cache first:
+            if ($help->inCache($route, $language)) {
+                Log::debug(sprintf('Help text %s was in cache.', $language));
+                $content = $help->getFromCache($route, $language);
+
+                return $content;
+            }
+
+            $content = $help->getFromGitHub($route, $language);
+        }
+
+        // help still empty?
+        if ('' !== $content) {
+            $help->putInCache($route, $language, $content);
+
+            return $content;
+        }
+
+        return '<p>' . trans('firefly.route_has_no_help') . '</p>';
+    }
+
+    /**
+     * Get user's language.
+     *
+     * @return string
+     */
+    protected function getLanguage(): string // get preference
+    {
+        /** @var string $language */
+        $language = app('preferences')->get('language', config('firefly.default_language', 'en_US'))->data;
+
+        return $language;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getPageName(): string // get request info
+    {
+        return str_replace('.', '_', Route::currentRouteName());
+    }
+
+    /**
+     * Get the specific name of a page for intro.
+     *
+     * @return string
+     */
+    protected function getSpecificPageName(): string // get request info
+    {
+        return null === Route::current()->parameter('what') ? '' : '_' . Route::current()->parameter('what');
+    }
+
+    /**
+     * Get transaction overview from journal.
+     *
+     * @param TransactionJournal $journal
+     *
+     * @return array
+     * @throws FireflyException
+     *
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    protected function getTransactionDataFromJournal(TransactionJournal $journal): array // convert object
+    {
+        // use collector to collect transactions.
+        $collector = app(JournalCollectorInterface::class);
+        $collector->setUser(auth()->user());
+        $collector->withOpposingAccount()->withCategoryInformation()->withBudgetInformation();
+        // filter on specific journals.
+        $collector->setJournals(new Collection([$journal]));
+        $set          = $collector->getJournals();
+        $transactions = [];
+        $transformer  = new TransactionTransformer(new ParameterBag);
+        /** @var Transaction $transaction */
+        foreach ($set as $transaction) {
+            $res = [];
+            if ((float)$transaction->transaction_amount > 0 && $journal->transactionType->type === TransactionType::DEPOSIT) {
+                $res = $transformer->transform($transaction);
+            }
+            if ((float)$transaction->transaction_amount < 0 && $journal->transactionType->type !== TransactionType::DEPOSIT) {
+                $res = $transformer->transform($transaction);
+            }
+
+            if (\count($res) > 0) {
+                $res['amount']         = app('steam')->positive((string)$res['amount']);
+                $res['foreign_amount'] = app('steam')->positive((string)$res['foreign_amount']);
+                $transactions[]        = $res;
+            }
+        }
+
+        return $transactions;
+    }
+
+    /**
+     * Get a list of triggers.
+     *
+     * @param TestRuleFormRequest $request
+     *
+     * @return array
+     */
+    protected function getValidTriggerList(TestRuleFormRequest $request): array // process input
+    {
+        $triggers = [];
+        $data     = $request->get('rule_triggers');
+        if (\is_array($data)) {
+            foreach ($data as $index => $triggerInfo) {
+                $triggers[] = [
+                    'type'            => $triggerInfo['name'] ?? '',
+                    'value'           => $triggerInfo['value'] ?? '',
+                    'stop_processing' => 1 === (int)($triggerInfo['stop_processing'] ?? '0'),
+                ];
+            }
+        }
+
+        return $triggers;
+    }
+
+    /**
+     * Returns if user has seen demo.
+     *
+     * @return bool
+     */
+    protected function hasSeenDemo(): bool // get request info + get preference
+    {
+        $page         = $this->getPageName();
+        $specificPage = $this->getSpecificPageName();
+
+        // indicator if user has seen the help for this page ( + special page):
+        $key = 'shown_demo_' . $page . $specificPage;
+        // is there an intro for this route?
+        $intro        = config('intro.' . $page) ?? [];
+        $specialIntro = config('intro.' . $page . $specificPage) ?? [];
+        // some routes have a "what" parameter, which indicates a special page:
+
+        $shownDemo = true;
+        // both must be array and either must be > 0
+        if (\count($intro) > 0 || \count($specialIntro) > 0) {
+            $shownDemo = app('preferences')->get($key, false)->data;
+            Log::debug(sprintf('Check if user has already seen intro with key "%s". Result is %d', $key, $shownDemo));
+        }
+
+        return $shownDemo;
+    }
+
+    /**
+     * Check if date is outside session range.
+     *
+     * @param Carbon $date
+     *
+     * @return bool
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    protected function notInSessionRange(Carbon $date): bool // Validate a preference
+    {
+        /** @var Carbon $start */
+        $start = session('start', Carbon::now()->startOfMonth());
+        /** @var Carbon $end */
+        $end    = session('end', Carbon::now()->endOfMonth());
+        $result = false;
+        if ($start->greaterThanOrEqualTo($date) && $end->greaterThanOrEqualTo($date)) {
+            $result = true;
+        }
+        // start and end in the past? use $end
+        if ($start->lessThanOrEqualTo($date) && $end->lessThanOrEqualTo($date)) {
+            $result = true;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Parses attributes from URI.
+     *
+     * @param array $attributes
+     *
+     * @return array
+     */
+    protected function parseAttributes(array $attributes): array // parse input + return result
+    {
+        $attributes['location'] = $attributes['location'] ?? '';
+        $attributes['accounts'] = AccountList::routeBinder($attributes['accounts'] ?? '', new Route('get', '', []));
+        try {
+            $attributes['startDate'] = Carbon::createFromFormat('Ymd', $attributes['startDate']);
+        } catch (InvalidArgumentException $e) {
+            Log::debug(sprintf('Not important error message: %s', $e->getMessage()));
+            $date                    = Carbon::now()->startOfMonth();
+            $attributes['startDate'] = $date;
+        }
+
+        try {
+            $attributes['endDate'] = Carbon::createFromFormat('Ymd', $attributes['endDate']);
+        } catch (InvalidArgumentException $e) {
+            Log::debug(sprintf('Not important error message: %s', $e->getMessage()));
+            $date                  = Carbon::now()->startOfMonth();
+            $attributes['endDate'] = $date;
+        }
+
+        return $attributes;
+    }
+
+    /**
+     * Validate users new password.
+     *
+     * @param User   $user
+     * @param string $current
+     * @param string $new
+     *
+     * @return bool
+     *
+     * @throws ValidationException
+     */
+    protected function validatePassword(User $user, string $current, string $new): bool //get request info
+    {
+        if (!Hash::check($current, $user->password)) {
+            throw new ValidationException((string)trans('firefly.invalid_current_password'));
+        }
+
+        if ($current === $new) {
+            throw new ValidationException((string)trans('firefly.should_change'));
+        }
+
+        return true;
+    }
+
+    /**
+     * Get a validator for an incoming registration request.
+     *
+     * @param array $data
+     *
+     * @return ValidatorContract
+     */
+    protected function validator(array $data): ValidatorContract
+    {
+        return Validator::make(
+            $data,
+            [
+                'email'    => 'required|string|email|max:255|unique:users',
+                'password' => 'required|string|secure_password|confirmed',
+            ]
+        );
+    }
+
+}
\ No newline at end of file
diff --git a/app/Support/Http/Controllers/UserNavigation.php b/app/Support/Http/Controllers/UserNavigation.php
index 0425cd1db7..bbc9eb145b 100644
--- a/app/Support/Http/Controllers/UserNavigation.php
+++ b/app/Support/Http/Controllers/UserNavigation.php
@@ -23,9 +23,12 @@ declare(strict_types=1);
 
 namespace FireflyIII\Support\Http\Controllers;
 
+use FireflyIII\Models\Account;
 use FireflyIII\Models\AccountType;
 use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionJournal;
+use Illuminate\Http\RedirectResponse;
+use Log;
 use URL;
 
 /**
@@ -93,4 +96,32 @@ trait UserNavigation
     {
         session()->put($identifier, URL::previous());
     }
+
+    /**
+     * @param Account $account
+     *
+     * @return RedirectResponse|\Illuminate\Routing\Redirector
+     */
+    protected function redirectToOriginalAccount(Account $account)
+    {
+        /** @var Transaction $transaction */
+        $transaction = $account->transactions()->first();
+        if (null === $transaction) {
+            app('session')->flash('error', trans('firefly.account_missing_transaction', ['name' => $account->name, 'id' => $account->id]));
+            Log::error(sprintf('Expected a transaction. Account #%d has none. BEEP, error.', $account->id));
+
+            return redirect(route('index'));
+        }
+
+        $journal = $transaction->transactionJournal;
+        /** @var Transaction $opposingTransaction */
+        $opposingTransaction = $journal->transactions()->where('transactions.id', '!=', $transaction->id)->first();
+
+        if (null === $opposingTransaction) {
+            app('session')->flash('error', trans('firefly.account_missing_transaction', ['name' => $account->name, 'id' => $account->id]));
+            Log::error(sprintf('Expected an opposing transaction. Account #%d has none. BEEP, error.', $account->id));
+        }
+
+        return redirect(route('accounts.show', [$opposingTransaction->account_id]));
+    }
 }
\ No newline at end of file