Removed `User($id)` function :tada:

22 files changed, 215 insertions, 220 deletions

diff --git a/includes/controller/angeltypes_controller.php b/includes/controller/angeltypes_controller.php
index b161266d..82cbf935 100644
--- a/includes/controller/angeltypes_controller.php
+++ b/includes/controller/angeltypes_controller.php
@@ -105,7 +105,7 @@ function angeltype_delete_controller()
  */
 function angeltype_edit_controller()
 {
-    global $privileges, $user;
+    global $privileges;
 
     // In supporter mode only allow to modify description
     $supporter_mode = !in_array('admin_angel_types', $privileges);
@@ -115,7 +115,7 @@ function angeltype_edit_controller()
         // Edit existing angeltype
         $angeltype = load_angeltype();
 
-        if (!User_is_AngelType_supporter($user, $angeltype)) {
+        if (!User_is_AngelType_supporter(auth()->user(), $angeltype)) {
             redirect(page_link_to('angeltypes'));
         }
     } else {
@@ -178,15 +178,16 @@ function angeltype_edit_controller()
  */
 function angeltype_controller()
 {
-    global $privileges, $user;
+    global $privileges;
+    $user = auth()->user();
 
     if (!in_array('angeltypes', $privileges)) {
         redirect(page_link_to('/'));
     }
 
     $angeltype = load_angeltype();
-    $user_angeltype = UserAngelType_by_User_and_AngelType($user['UID'], $angeltype);
-    $user_driver_license = UserDriverLicense($user['UID']);
+    $user_angeltype = UserAngelType_by_User_and_AngelType($user->id, $angeltype);
+    $user_driver_license = UserDriverLicense($user->id);
     $members = Users_by_angeltype($angeltype);
 
     $days = angeltype_controller_shiftsFilterDays($angeltype);
diff --git a/includes/controller/shift_entries_controller.php b/includes/controller/shift_entries_controller.php
index 8fbee96e..2876991a 100644
--- a/includes/controller/shift_entries_controller.php
+++ b/includes/controller/shift_entries_controller.php
@@ -35,7 +35,8 @@ function shift_entries_controller()
  */
 function shift_entry_create_controller()
 {
-    global $privileges, $user;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     if (User_is_freeloader($user)) {
@@ -44,7 +45,7 @@ function shift_entry_create_controller()
 
     $shift = Shift($request->input('shift_id'));
     if (empty($shift)) {
-        redirect(user_link($user['UID']));
+        redirect(user_link($user->id));
     }
 
     $angeltype = AngelType($request->input('angeltype_id'));
@@ -54,7 +55,7 @@ function shift_entry_create_controller()
     }
 
     if (empty($angeltype)) {
-        redirect(user_link($user['UID']));
+        redirect(user_link($user->id));
     }
 
     if (User_is_AngelType_supporter($user, $angeltype)) {
@@ -138,14 +139,13 @@ function shift_entry_create_controller_admin($shift, $angeltype)
  */
 function shift_entry_create_controller_supporter($shift, $angeltype)
 {
-    global $user;
     $request = request();
+    $signup_user = auth()->user();
 
-    $signup_user = $user;
     if ($request->has('user_id')) {
-        $signup_user = User($request->input('user_id'));
+        $signup_user = User::find($request->input('user_id'));
     }
-    if (!UserAngelType_exists($signup_user['UID'], $angeltype)) {
+    if (!UserAngelType_exists($signup_user->id, $angeltype)) {
         error(__('User is not in angeltype.'));
         redirect(shift_link($shift));
     }
@@ -172,7 +172,7 @@ function shift_entry_create_controller_supporter($shift, $angeltype)
         ShiftEntry_create([
             'SID'              => $shift['SID'],
             'TID'              => $angeltype['id'],
-            'UID'              => $signup_user['UID'],
+            'UID'              => $signup_user->id,
             'Comment'          => '',
             'freeloaded'       => false,
             'freeload_comment' => ''
@@ -227,10 +227,9 @@ function shift_entry_error_message(ShiftSignupState $shift_signup_state)
  */
 function shift_entry_create_controller_user($shift, $angeltype)
 {
-    global $user;
     $request = request();
 
-    $signup_user = $user;
+    $signup_user = auth()->user();
     $needed_angeltype = NeededAngeltype_by_Shift_and_Angeltype($shift, $angeltype);
     $shift_entries = ShiftEntries_by_shift_and_angeltype($shift['SID'], $angeltype['id']);
     $shift_signup_state = Shift_signup_allowed(
@@ -253,14 +252,14 @@ function shift_entry_create_controller_user($shift, $angeltype)
         ShiftEntry_create([
             'SID'              => $shift['SID'],
             'TID'              => $angeltype['id'],
-            'UID'              => $signup_user['UID'],
+            'UID'              => $signup_user->id,
             'Comment'          => $comment,
             'freeloaded'       => false,
             'freeload_comment' => ''
         ]);
 
-        if ($angeltype['restricted'] == false && !UserAngelType_exists($signup_user['UID'], $angeltype)) {
-            UserAngelType_create($signup_user['UID'], $angeltype);
+        if ($angeltype['restricted'] == false && !UserAngelType_exists($signup_user->id, $angeltype)) {
+            UserAngelType_create($signup_user->id, $angeltype);
         }
 
         success(__('You are subscribed. Thank you!'));
@@ -342,10 +341,10 @@ function shift_entry_delete_controller()
 
     $shift = Shift($shiftEntry['SID']);
     $angeltype = AngelType($shiftEntry['TID']);
-    $signout_user = User($shiftEntry['UID']);
-    if (!Shift_signout_allowed($shift, $angeltype, $signout_user)) {
+    $signout_user = User::find($shiftEntry['UID']);
+    if (!Shift_signout_allowed($shift, $angeltype, $signout_user->id)) {
         error(__('You are not allowed to remove this shift entry. If necessary, ask your supporter or heaven to do so.'));
-        redirect(user_link($signout_user['UID']));
+        redirect(user_link($signout_user->id));
     }
 
     if ($request->has('continue')) {
@@ -354,10 +353,10 @@ function shift_entry_delete_controller()
         redirect(shift_link($shift));
     }
 
-    if ($user->id == $signout_user['UID']) {
+    if ($user->id == $signout_user->id) {
         return [
             ShiftEntry_delete_title(),
-            ShiftEntry_delete_view($shiftEntry, $shift, $angeltype, $signout_user)
+            ShiftEntry_delete_view($shiftEntry, $shift, $angeltype, $signout_user->id)
         ];
     }
 
diff --git a/includes/controller/shifts_controller.php b/includes/controller/shifts_controller.php
index 5454c648..b56440e5 100644
--- a/includes/controller/shifts_controller.php
+++ b/includes/controller/shifts_controller.php
@@ -252,7 +252,8 @@ function shift_delete_controller()
  */
 function shift_controller()
 {
-    global $user, $privileges;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     if (!in_array('user_shifts', $privileges)) {
@@ -272,7 +273,7 @@ function shift_controller()
     $shifttype = ShiftType($shift['shifttype_id']);
     $room = Room($shift['RID']);
     $angeltypes = AngelTypes();
-    $user_shifts = Shifts_by_user($user['UID']);
+    $user_shifts = Shifts_by_user($user->id);
 
     $shift_signup_state = new ShiftSignupState(ShiftSignupState::OCCUPIED, 0);
     foreach ($angeltypes as &$angeltype) {
diff --git a/includes/controller/user_angeltypes_controller.php b/includes/controller/user_angeltypes_controller.php
index ee1f93ee..a38adfec 100644
--- a/includes/controller/user_angeltypes_controller.php
+++ b/includes/controller/user_angeltypes_controller.php
@@ -43,7 +43,6 @@ function user_angeltypes_unconfirmed_hint()
  */
 function user_angeltypes_delete_all_controller()
 {
-    global $user;
     $request = request();
 
     if (!$request->has('angeltype_id')) {
@@ -57,7 +56,7 @@ function user_angeltypes_delete_all_controller()
         redirect(page_link_to('angeltypes'));
     }
 
-    if (!User_is_AngelType_supporter($user, $angeltype)) {
+    if (!User_is_AngelType_supporter(auth()->user(), $angeltype)) {
         error(__('You are not allowed to delete all users for this angeltype.'));
         redirect(page_link_to('angeltypes'));
     }
@@ -83,7 +82,8 @@ function user_angeltypes_delete_all_controller()
  */
 function user_angeltypes_confirm_all_controller()
 {
-    global $user, $privileges;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     if (!$request->has('angeltype_id')) {
@@ -103,7 +103,7 @@ function user_angeltypes_confirm_all_controller()
     }
 
     if ($request->has('confirmed')) {
-        UserAngelTypes_confirm_all($angeltype['id'], $user['UID']);
+        UserAngelTypes_confirm_all($angeltype['id'], $user->id);
 
         engelsystem_log(sprintf('Confirmed all users for angeltype %s', AngelType_name_render($angeltype)));
         success(sprintf(__('Confirmed all users for angeltype %s.'), AngelType_name_render($angeltype)));
@@ -123,7 +123,7 @@ function user_angeltypes_confirm_all_controller()
  */
 function user_angeltype_confirm_controller()
 {
-    global $user;
+    $user = auth()->user();
     $request = request();
 
     if (!$request->has('user_angeltype_id')) {
@@ -155,7 +155,7 @@ function user_angeltype_confirm_controller()
     }
 
     if ($request->has('confirmed')) {
-        UserAngelType_confirm($user_angeltype['id'], $user['UID']);
+        UserAngelType_confirm($user_angeltype['id'], $user->id);
 
         engelsystem_log(sprintf(
             '%s confirmed for angeltype %s',
@@ -183,8 +183,8 @@ function user_angeltype_confirm_controller()
  */
 function user_angeltype_delete_controller()
 {
-    global $user;
     $request = request();
+    $user = auth()->user();
 
     if (!$request->has('user_angeltype_id')) {
         error(__('User angeltype doesn\'t exist.'));
@@ -209,7 +209,7 @@ function user_angeltype_delete_controller()
         redirect(page_link_to('angeltypes'));
     }
 
-    if ($user['UID'] != $user_angeltype['user_id'] && !User_is_AngelType_supporter($user, $angeltype)) {
+    if ($user->id != $user_angeltype['user_id'] && !User_is_AngelType_supporter($user, $angeltype)) {
         error(__('You are not allowed to delete this users angeltype.'));
         redirect(page_link_to('angeltypes'));
     }
@@ -305,18 +305,17 @@ function user_angeltype_update_controller()
  */
 function user_angeltype_add_controller()
 {
-    global $user;
     $angeltype = load_angeltype();
 
     // User is joining by itself
-    if (!User_is_AngelType_supporter($user, $angeltype)) {
+    if (!User_is_AngelType_supporter(auth()->user(), $angeltype)) {
         return user_angeltype_join_controller($angeltype);
     }
 
     // Allow to add any user
 
     // Default selection
-    $user_source = $user;
+    $user_source = auth()->user();
 
     // Load possible users, that are not in the angeltype already
     $users_source = Users_by_angeltype_inverted($angeltype);
@@ -324,8 +323,8 @@ function user_angeltype_add_controller()
     if (request()->has('submit')) {
         $user_source = load_user();
 
-        if (!UserAngelType_exists($user_source['UID'], $angeltype)) {
-            $user_angeltype_id = UserAngelType_create($user_source['UID'], $angeltype);
+        if (!UserAngelType_exists($user_source->id, $angeltype)) {
+            $user_angeltype_id = UserAngelType_create($user_source->id, $angeltype);
 
             engelsystem_log(sprintf(
                 'User %s added to %s.',
@@ -338,7 +337,7 @@ function user_angeltype_add_controller()
                 AngelType_name_render($angeltype)
             ));
 
-            UserAngelType_confirm($user_angeltype_id, $user_source['UID']);
+            UserAngelType_confirm($user_angeltype_id, $user_source->id);
             engelsystem_log(sprintf(
                 'User %s confirmed as %s.',
                 User_Nick_render($user_source),
@@ -351,7 +350,7 @@ function user_angeltype_add_controller()
 
     return [
         __('Add user to angeltype'),
-        UserAngelType_add_view($angeltype, $users_source, $user_source['UID'])
+        UserAngelType_add_view($angeltype, $users_source, $user_source->id)
     ];
 }
 
diff --git a/includes/controller/user_driver_licenses_controller.php b/includes/controller/user_driver_licenses_controller.php
index 4c7c7fff..f836c74d 100644
--- a/includes/controller/user_driver_licenses_controller.php
+++ b/includes/controller/user_driver_licenses_controller.php
@@ -1,5 +1,7 @@
 <?php
 
+use Engelsystem\Models\User\User;
+
 /**
  * Generates a hint, if user joined angeltypes that require a driving license and the user has no driver license
  * information provided.
@@ -55,30 +57,31 @@ function user_driver_licenses_controller()
 /**
  * Link to user driver license edit page for given user.
  *
- * @param array $user
+ * @param User $user
  * @return string
  */
 function user_driver_license_edit_link($user = null)
 {
-    if (empty($user)) {
+    if (!$user) {
         return page_link_to('user_driver_licenses');
     }
-    return page_link_to('user_driver_licenses', ['user_id' => $user['UID']]);
+
+    return page_link_to('user_driver_licenses', ['user_id' => $user->id]);
 }
 
 /**
  * Loads the user for the driver license.
  *
- * @return array
+ * @return User
  */
 function user_driver_license_load_user()
 {
-    global $user;
+    $user = auth()->user();
     $request = request();
     $user_source = $user;
 
     if ($request->has('user_id')) {
-        $user_source = User($request->input('user_id'));
+        $user_source = User::find($request->input('user_id'));
         if (empty($user_source)) {
             redirect(user_driver_license_edit_link());
         }
@@ -100,11 +103,11 @@ function user_driver_license_edit_controller()
     $user_source = user_driver_license_load_user();
 
     // only privilege admin_user can edit other users driver license information
-    if ($user->id != $user_source['UID'] && !in_array('admin_user', $privileges)) {
+    if ($user->id != $user_source->id && !in_array('admin_user', $privileges)) {
         redirect(user_driver_license_edit_link());
     }
 
-    $user_driver_license = UserDriverLicense($user_source['UID']);
+    $user_driver_license = UserDriverLicense($user_source->id);
     if (empty($user_driver_license)) {
         $wants_to_drive = false;
         $user_driver_license = UserDriverLicense_new();
@@ -124,26 +127,26 @@ function user_driver_license_edit_controller()
 
             if (UserDriverLicense_valid($user_driver_license)) {
                 if (empty($user_driver_license['user_id'])) {
-                    $user_driver_license = UserDriverLicenses_create($user_driver_license, $user_source['UID']);
+                    $user_driver_license = UserDriverLicenses_create($user_driver_license, $user_source->id);
                 } else {
                     UserDriverLicenses_update($user_driver_license);
                 }
                 engelsystem_log('Driver license information updated.');
                 success(__('Your driver license information has been saved.'));
-                redirect(user_link($user_source['UID']));
+                redirect(user_link($user_source->id));
             } else {
                 error(__('Please select at least one driving license.'));
             }
         } elseif (!empty($user_driver_license['user_id'])) {
-            UserDriverLicenses_delete($user_source['UID']);
+            UserDriverLicenses_delete($user_source->id);
             engelsystem_log('Driver license information removed.');
             success(__('Your driver license information has been removed.'));
-            redirect(user_link($user_source['UID']));
+            redirect(user_link($user_source->id));
         }
     }
 
     return [
-        sprintf(__('Edit %s driving license information'), $user_source['Nick']),
+        sprintf(__('Edit %s driving license information'), $user_source->name),
         UserDriverLicense_edit_view($user_source, $wants_to_drive, $user_driver_license)
     ];
 }
diff --git a/includes/controller/user_worklog_controller.php b/includes/controller/user_worklog_controller.php
index e1b3ee86..51b70ba2 100644
--- a/includes/controller/user_worklog_controller.php
+++ b/includes/controller/user_worklog_controller.php
@@ -45,7 +45,7 @@ function user_worklog_edit_controller()
     if (empty($userWorkLog)) {
         redirect(user_link($user->id));
     }
-    $user_source = User($userWorkLog['user_id']);
+    $user_source = User::find($userWorkLog['user_id']);
 
     if ($request->has('submit')) {
         list ($valid, $userWorkLog) = user_worklog_from_request($userWorkLog);
@@ -54,7 +54,7 @@ function user_worklog_edit_controller()
             UserWorkLog_update($userWorkLog);
 
             success(__('Work log entry updated.'));
-            redirect(user_link($user_source['UID']));
+            redirect(user_link($user_source->id));
         }
     }
 
@@ -113,12 +113,12 @@ function user_worklog_add_controller()
     $user = auth()->user();
 
     $request = request();
-    $user_source = User($request->input('user_id'));
-    if (empty($user_source)) {
+    $user_source = User::find($request->input('user_id'));
+    if (!$user_source) {
         redirect(user_link($user->id));
     }
 
-    $userWorkLog = UserWorkLog_new($user_source['UID']);
+    $userWorkLog = UserWorkLog_new($user_source->id);
 
     if ($request->has('submit')) {
         list ($valid, $userWorkLog) = user_worklog_from_request($userWorkLog);
@@ -127,7 +127,7 @@ function user_worklog_add_controller()
             UserWorkLog_create($userWorkLog);
 
             success(__('Work log entry created.'));
-            redirect(user_link($user_source['UID']));
+            redirect(user_link($user_source->id));
         }
     }
 
@@ -140,7 +140,7 @@ function user_worklog_add_controller()
 /**
  * Link to work log entry add for given user.
  *
- * @param array $user
+ * @param User $user
  *
  * @return string
  */
@@ -148,7 +148,7 @@ function user_worklog_add_link($user)
 {
     return page_link_to('user_worklog', [
         'action'  => 'add',
-        'user_id' => $user['UID']
+        'user_id' => $user->id,
     ]);
 }
 
diff --git a/includes/controller/users_controller.php b/includes/controller/users_controller.php
index be78c1d7..3c05f596 100644
--- a/includes/controller/users_controller.php
+++ b/includes/controller/users_controller.php
@@ -135,11 +135,12 @@ function user_link($userId)
  */
 function user_edit_vouchers_controller()
 {
-    global $privileges, $user;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     if ($request->has('user_id')) {
-        $user_source = User($request->input('user_id'));
+        $user_source = User::find($request->input('user_id'));
     } else {
         $user_source = $user;
     }
@@ -164,20 +165,19 @@ function user_edit_vouchers_controller()
         }
 
         if ($valid) {
-            $user_source['got_voucher'] = $vouchers;
-
-            User_update($user_source);
+            $user_source->state->got_voucher = $vouchers;
+            $user->state->save();
 
             success(__('Saved the number of vouchers.'));
             engelsystem_log(User_Nick_render($user_source) . ': ' . sprintf('Got %s vouchers',
-                    $user_source['got_voucher']));
+                    $user_source->state->got_voucher));
 
-            redirect(user_link($user_source['UID']));
+            redirect(user_link($user_source->id));
         }
     }
 
     return [
-        sprintf(__('%s\'s vouchers'), $user_source['Nick']),
+        sprintf(__('%s\'s vouchers'), $user_source->name),
         User_edit_vouchers_view($user_source)
     ];
 }
@@ -187,19 +187,20 @@ function user_edit_vouchers_controller()
  */
 function user_controller()
 {
-    global $privileges, $user;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     $user_source = $user;
     if ($request->has('user_id')) {
-        $user_source = User($request->input('user_id'));
-        if (empty($user_source)) {
+        $user_source = User::find($request->input('user_id'));
+        if (!$user_source) {
             error(__('User not found.'));
             redirect(page_link_to('/'));
         }
     }
 
-    $shifts = Shifts_by_user($user_source['UID'], in_array('user_shifts_admin', $privileges));
+    $shifts = Shifts_by_user($user_source->id, in_array('user_shifts_admin', $privileges));
     foreach ($shifts as &$shift) {
         // TODO: Move queries to model
         $shift['needed_angeltypes'] = DB::select('
@@ -224,30 +225,30 @@ function user_controller()
         }
     }
 
-    if ($user_source['api_key'] == '') {
+    if (empty($user_source->api_key)) {
         User_reset_api_key($user_source, false);
     }
 
-    if ($user_source['force_active']) {
+    if ($user_source->state->force_active) {
         $tshirt_score = __('Enough');
     } else {
-        $tshirt_score = sprintf('%.2f', User_tshirt_score($user_source['UID'])) . '&nbsp;h';
+        $tshirt_score = sprintf('%.2f', User_tshirt_score($user_source->id)) . '&nbsp;h';
     }
 
     return [
-        $user_source['Nick'],
+        $user_source->name,
         User_view(
             $user_source,
             in_array('admin_user', $privileges),
             User_is_freeloader($user_source),
-            User_angeltypes($user_source['UID']),
-            User_groups($user_source['UID']),
+            User_angeltypes($user_source->id),
+            User_groups($user_source->id),
             $shifts,
-            $user['UID'] == $user_source['UID'],
+            $user->id == $user_source->id,
             $tshirt_score,
             in_array('admin_active', $privileges),
             in_array('admin_user_worklog', $privileges),
-            UserWorkLogsForUser($user_source['UID'])
+            UserWorkLogsForUser($user_source->id)
         )
     ];
 }
@@ -406,7 +407,7 @@ function user_password_recovery_title()
 /**
  * Loads a user from param user_id.
  *
- * return array
+ * @return User
  */
 function load_user()
 {
@@ -415,8 +416,8 @@ function load_user()
         redirect(page_link_to());
     }
 
-    $user = User($request->input('user_id'));
-    if (empty($user)) {
+    $user = User::find($request->input('user_id'));
+    if (!$user) {
         error(__('User doesn\'t exist.'));
         redirect(page_link_to());
     }
diff --git a/includes/model/Shifts_model.php b/includes/model/Shifts_model.php
index e03ca0bf..9e803efd 100644
--- a/includes/model/Shifts_model.php
+++ b/includes/model/Shifts_model.php
@@ -1,6 +1,7 @@
 <?php
 
 use Engelsystem\Database\DB;
+use Engelsystem\Models\User\User;
 use Engelsystem\ShiftsFilter;
 use Engelsystem\ShiftSignupState;
 
@@ -301,7 +302,7 @@ function Shift_free_entries($needed_angeltype, $shift_entries)
 /**
  * Check if shift signup is allowed from the end users point of view (no admin like privileges)
  *
- * @param array      $user
+ * @param User      $user
  * @param array      $shift       The shift
  * @param array      $angeltype   The angeltype to which the user wants to sign up
  * @param array|null $user_angeltype
@@ -321,12 +322,12 @@ function Shift_signup_allowed_angel(
 ) {
     $free_entries = Shift_free_entries($needed_angeltype, $shift_entries);
 
-    if (config('signup_requires_arrival') && !$user['Gekommen']) {
+    if (config('signup_requires_arrival') && !$user->state->arrived) {
         return new ShiftSignupState(ShiftSignupState::NOT_ARRIVED, $free_entries);
     }
 
     if (empty($user_shifts)) {
-        $user_shifts = Shifts_by_user($user['UID']);
+        $user_shifts = Shifts_by_user($user->id);
     }
 
     $signed_up = false;
@@ -352,7 +353,7 @@ function Shift_signup_allowed_angel(
     }
 
     if (empty($user_angeltype)) {
-        $user_angeltype = UserAngelType_by_User_and_AngelType($user['UID'], $angeltype);
+        $user_angeltype = UserAngelType_by_User_and_AngelType($user->id, $angeltype);
     }
 
     if (
@@ -415,14 +416,15 @@ function Shift_signup_allowed_admin($needed_angeltype, $shift_entries)
 /**
  * Check if an angel can signout from a shift.
  *
- * @param array $shift        The shift
- * @param array $angeltype    The angeltype
- * @param array $signout_user The user that was signed up for the shift
+ * @param array $shift           The shift
+ * @param array $angeltype       The angeltype
+ * @param int   $signout_user_id The user that was signed up for the shift
  * @return bool
  */
-function Shift_signout_allowed($shift, $angeltype, $signout_user)
+function Shift_signout_allowed($shift, $angeltype, $signout_user_id)
 {
-    global $user, $privileges;
+    global $privileges;
+    $user = auth()->user();
 
     // user shifts admin can sign out any user at any time
     if (in_array('user_shifts_admin', $privileges)) {
@@ -437,7 +439,7 @@ function Shift_signout_allowed($shift, $angeltype, $signout_user)
         return true;
     }
 
-    if ($signout_user['UID'] == $user['UID'] && $shift['start'] > time() + config('last_unsubscribe') * 3600) {
+    if ($signout_user_id == $user->id && $shift['start'] > time() + config('last_unsubscribe') * 3600) {
         return true;
     }
 
@@ -447,7 +449,7 @@ function Shift_signout_allowed($shift, $angeltype, $signout_user)
 /**
  * Check if an angel can sign up for given shift.
  *
- * @param array      $signup_user
+ * @param User       $signup_user
  * @param array      $shift       The shift
  * @param array      $angeltype   The angeltype to which the user wants to sign up
  * @param array|null $user_angeltype
@@ -465,7 +467,7 @@ function Shift_signup_allowed(
     $needed_angeltype,
     $shift_entries
 ) {
-    global $user, $privileges;
+    global $privileges;
 
     if (in_array('user_shifts_admin', $privileges)) {
         return Shift_signup_allowed_admin($needed_angeltype, $shift_entries);
@@ -473,7 +475,7 @@ function Shift_signup_allowed(
 
     if (
         in_array('shiftentry_edit_angeltype_supporter', $privileges)
-        && User_is_AngelType_supporter($user, $angeltype)
+        && User_is_AngelType_supporter(auth()->user(), $angeltype)
     ) {
         return Shift_signup_allowed_angeltype_supporter($needed_angeltype, $shift_entries);
     }
@@ -613,8 +615,8 @@ function Shift_create($shift)
 /**
  * Return users shifts.
  *
- * @param int $userId
- * @param bool  $include_freeload_comments
+ * @param int  $userId
+ * @param bool $include_freeload_comments
  * @return array[]
  */
 function Shifts_by_user($userId, $include_freeload_comments = false)
diff --git a/includes/model/UserAngelTypes_model.php b/includes/model/UserAngelTypes_model.php
index 943dbb5b..e18eaf1b 100644
--- a/includes/model/UserAngelTypes_model.php
+++ b/includes/model/UserAngelTypes_model.php
@@ -1,6 +1,7 @@
 <?php
 
 use Engelsystem\Database\DB;
+use Engelsystem\Models\User\User;
 
 /**
  * User angeltypes model
@@ -67,15 +68,13 @@ function User_unconfirmed_AngelTypes($userId)
 /**
  * Returns true if user is angeltype supporter or has privilege admin_user_angeltypes.
  *
- * @param array $user
+ * @param User  $user
  * @param array $angeltype
  * @return bool
  */
-function User_is_AngelType_supporter(&$user, $angeltype)
+function User_is_AngelType_supporter($user, $angeltype)
 {
-    if (!isset($user['privileges'])) {
-        $user['privileges'] = privileges_for_user($user['UID']);
-    }
+    $privileges = privileges_for_user($user->id);
 
     return (count(DB::select('
                       SELECT `id`
@@ -86,11 +85,11 @@ function User_is_AngelType_supporter(&$user, $angeltype)
                       LIMIT 1
                 ',
                 [
-                    $user['UID'],
+                    $user->id,
                     $angeltype['id']
                 ]
             )) > 0)
-        || in_array('admin_user_angeltypes', $user['privileges']);
+        || in_array('admin_user_angeltypes', $privileges);
 }
 
 /**
diff --git a/includes/model/UserWorkLog_model.php b/includes/model/UserWorkLog_model.php
index c7de3f9e..11f60901 100644
--- a/includes/model/UserWorkLog_model.php
+++ b/includes/model/UserWorkLog_model.php
@@ -2,6 +2,7 @@
 
 use Carbon\Carbon;
 use Engelsystem\Database\Db;
+use Engelsystem\Models\User\User;
 
 /**
  * Load a single work log entry.
@@ -39,7 +40,7 @@ function UserWorkLogsForUser($userId)
  */
 function UserWorkLog_delete($userWorkLog)
 {
-    $user_source = User($userWorkLog['user_id']);
+    $user_source = User::find($userWorkLog['user_id']);
     $result = Db::delete("DELETE FROM `UserWorkLog` WHERE `id`=?", [
         $userWorkLog['id']
     ]);
@@ -62,7 +63,7 @@ function UserWorkLog_delete($userWorkLog)
  */
 function UserWorkLog_update($userWorkLog)
 {
-    $user_source = User($userWorkLog['user_id']);
+    $user_source = User::find($userWorkLog['user_id']);
 
     $result = Db::update("UPDATE `UserWorkLog` SET
         `work_timestamp`=?,
@@ -95,7 +96,7 @@ function UserWorkLog_create($userWorkLog)
 {
     $user = Auth()->user();
 
-    $user_source = User($userWorkLog['user_id']);
+    $user_source = User::find($userWorkLog['user_id']);
 
     $result = Db::insert("INSERT INTO `UserWorkLog` (
             `user_id`,
diff --git a/includes/model/User_model.php b/includes/model/User_model.php
index bed6bf47..298ac18d 100644
--- a/includes/model/User_model.php
+++ b/includes/model/User_model.php
@@ -2,6 +2,7 @@
 
 use Carbon\Carbon;
 use Engelsystem\Database\DB;
+use Engelsystem\Models\User\User;
 use Engelsystem\ValidationResult;
 
 /**
@@ -238,14 +239,12 @@ function Users($order_by = 'Nick')
 /**
  * Returns true if user is freeloader
  *
- * @param array $user
+ * @param User $user
  * @return bool
  */
 function User_is_freeloader($user)
 {
-    global $user;
-
-    return count(ShiftEntries_freeloaded_by_user($user['UID'])) >= config('max_freeloadable_shifts');
+    return count(ShiftEntries_freeloaded_by_user($user->id)) >= config('max_freeloadable_shifts');
 }
 
 /**
@@ -419,19 +418,6 @@ function User_validate_planned_departure_date($planned_arrival_date, $planned_de
 }
 
 /**
- * Returns user by id.
- *
- * @param int $user_id UID
- * @return array|null
- */
-function User($user_id)
-{
-    $user = DB::selectOne('SELECT * FROM `User` WHERE `UID`=? LIMIT 1', [$user_id]);
-
-    return empty($user) ? null : $user;
-}
-
-/**
  * Returns User by api_key.
  *
  * @param string $api_key User api key
@@ -473,23 +459,13 @@ function User_by_password_recovery_token($token)
 /**
  * Generates a new api key for given user.
  *
- * @param array $user
- * @param bool  $log
+ * @param User $user
+ * @param bool $log
  */
-function User_reset_api_key(&$user, $log = true)
+function User_reset_api_key($user, $log = true)
 {
-    $user['api_key'] = md5($user['Nick'] . time() . rand());
-    DB::update('
-            UPDATE `User`
-            SET `api_key`=?
-            WHERE `UID`=?
-            LIMIT 1
-        ',
-        [
-            $user['api_key'],
-            $user['UID']
-        ]
-    );
+    $user->api_key = md5($user->name . time() . rand());
+    $user->save();
 
     if ($log) {
         engelsystem_log(sprintf('API key resetted (%s).', User_Nick_render($user)));
@@ -523,15 +499,15 @@ function User_generate_password_recovery_token(&$user)
 }
 
 /**
- * @param array $user
+ * @param User $user
  * @return float
  */
 function User_get_eligable_voucher_count($user)
 {
     $voucher_settings = config('voucher_settings');
-    $shifts_done = count(ShiftEntries_finished_by_user($user['UID']));
+    $shifts_done = count(ShiftEntries_finished_by_user($user->id));
 
-    $earned_vouchers = $user['got_voucher'] - $voucher_settings['initial_vouchers'];
+    $earned_vouchers = $user->state->got_voucher - $voucher_settings['initial_vouchers'];
     $eligable_vouchers = $shifts_done / $voucher_settings['shifts_per_voucher'] - $earned_vouchers;
     if ($eligable_vouchers < 0) {
         return 0;
diff --git a/includes/pages/admin_questions.php b/includes/pages/admin_questions.php
index 02f53d93..85d62362 100644
--- a/includes/pages/admin_questions.php
+++ b/includes/pages/admin_questions.php
@@ -68,7 +68,7 @@ function admin_questions()
         $questions = DB::select('SELECT * FROM `Questions` WHERE NOT `AID` IS NULL');
         foreach ($questions as $question) {
             $user_source = User::find($question['UID']);
-            $answer_user_source = User($question['AID']);
+            $answer_user_source = User::find($question['AID']);
             $answered_questions_table[] = [
                 'from'        => User_Nick_render($user_source),
                 'question'    => str_replace("\n", '<br />', $question['Question']),
diff --git a/includes/pages/user_myshifts.php b/includes/pages/user_myshifts.php
index ab4b00b6..7f20139c 100644
--- a/includes/pages/user_myshifts.php
+++ b/includes/pages/user_myshifts.php
@@ -18,7 +18,8 @@ function myshifts_title()
  */
 function user_myshifts()
 {
-    global $user, $privileges;
+    global $privileges;
+    $user = auth()->user();
     $request = request();
 
     if (
@@ -29,7 +30,7 @@ function user_myshifts()
     ) {
         $shift_entry_id = $request->input('id');
     } else {
-        $shift_entry_id = $user['UID'];
+        $shift_entry_id = $user->id;
     }
 
     $shifts_user = User::find($shift_entry_id);
diff --git a/includes/pages/user_shifts.php b/includes/pages/user_shifts.php
index 350394be..3e300e3c 100644
--- a/includes/pages/user_shifts.php
+++ b/includes/pages/user_shifts.php
@@ -22,10 +22,9 @@ function shifts_title()
  */
 function user_shifts()
 {
-    global $user;
     $request = request();
 
-    if (User_is_freeloader($user)) {
+    if (User_is_freeloader(auth()->user())) {
         redirect(page_link_to('user_myshifts'));
     }
 
@@ -169,7 +168,8 @@ function load_types()
  */
 function view_user_shifts()
 {
-    global $user, $privileges, $ical_shifts;
+    global $privileges, $ical_shifts;
+    $user = auth()->user();
 
     $session = session();
     $ical_shifts = [];
@@ -193,7 +193,7 @@ function view_user_shifts()
 
     $shiftCalendarRenderer = shiftCalendarRendererByShiftFilter($shiftsFilter);
 
-    if ($user['api_key'] == '') {
+    if (empty($user->api_key)) {
         User_reset_api_key($user, false);
     }
 
@@ -212,12 +212,12 @@ function view_user_shifts()
     $end_day = date('Y-m-d', $shiftsFilter->getEndTime());
     $end_time = date('H:i', $shiftsFilter->getEndTime());
 
-    if (config('signup_requires_arrival') && !$user['Gekommen']) {
+    if (config('signup_requires_arrival') && !$user->state->arrived) {
         info(render_user_arrived_hint());
     }
 
     $ownTypes = [];
-    foreach (UserAngelTypes_by_User($user['UID']) as $type) {
+    foreach (UserAngelTypes_by_User($user->id) as $type) {
         $ownTypes[] = (int)$type['angeltype_id'];
     }
 
diff --git a/includes/view/AngelTypes_view.php b/includes/view/AngelTypes_view.php
index c64297c2..be79cbb9 100644
--- a/includes/view/AngelTypes_view.php
+++ b/includes/view/AngelTypes_view.php
@@ -1,5 +1,6 @@
 <?php
 
+use Engelsystem\Models\User\User;
 use Engelsystem\ShiftCalendarRenderer;
 use Engelsystem\ShiftsFilterRenderer;
 
@@ -129,7 +130,7 @@ function AngelType_edit_view($angeltype, $supporter_mode)
  * @param bool       $admin_angeltypes
  * @param bool       $supporter
  * @param array|null $user_driver_license
- * @param array|null $user
+ * @param User|null  $user
  * @return string
  */
 function AngelType_view_buttons($angeltype, $user_angeltype, $admin_angeltypes, $supporter, $user_driver_license, $user)
@@ -322,7 +323,7 @@ function AngelType_view_table_headers($angeltype, $supporter, $admin_angeltypes)
  * @param bool                  $admin_angeltypes
  * @param bool                  $supporter
  * @param array                 $user_driver_license
- * @param array                 $user
+ * @param User                  $user
  * @param ShiftsFilterRenderer  $shiftsFilterRenderer
  * @param ShiftCalendarRenderer $shiftCalendarRenderer
  * @param int                   $tab The selected tab
diff --git a/includes/view/ShiftCalendarRenderer.php b/includes/view/ShiftCalendarRenderer.php
index fc099d7d..dfc55d54 100644
--- a/includes/view/ShiftCalendarRenderer.php
+++ b/includes/view/ShiftCalendarRenderer.php
@@ -176,8 +176,6 @@ class ShiftCalendarRenderer
      */
     private function renderLane(ShiftCalendarLane $lane)
     {
-        global $user;
-
         $shift_renderer = new ShiftCalendarShiftRenderer();
         $html = '';
         $rendered_until = $this->getFirstBlockStartTime();
@@ -192,7 +190,7 @@ class ShiftCalendarRenderer
                 $shift,
                 $this->needed_angeltypes[$shift['SID']],
                 $this->shift_entries[$shift['SID']],
-                $user
+                auth()->user()
             );
             $html .= $shift_html;
             $rendered_until += $shift_height * ShiftCalendarRenderer::SECONDS_PER_ROW;
diff --git a/includes/view/ShiftCalendarShiftRenderer.php b/includes/view/ShiftCalendarShiftRenderer.php
index 80cea241..f1847698 100644
--- a/includes/view/ShiftCalendarShiftRenderer.php
+++ b/includes/view/ShiftCalendarShiftRenderer.php
@@ -2,6 +2,8 @@
 
 namespace Engelsystem;
 
+use Engelsystem\Models\User\User;
+
 /**
  * Renders a single shift for the shift calendar
  */
@@ -13,7 +15,7 @@ class ShiftCalendarShiftRenderer
      * @param array $shift The shift to render
      * @param array $needed_angeltypes
      * @param array $shift_entries
-     * @param array $user  The user who is viewing the shift calendar
+     * @param User  $user  The user who is viewing the shift calendar
      * @return array
      */
     public function render($shift, $needed_angeltypes, $shift_entries, $user)
@@ -90,7 +92,7 @@ class ShiftCalendarShiftRenderer
      * @param array   $shift
      * @param array[] $needed_angeltypes
      * @param array[] $shift_entries
-     * @param array   $user
+     * @param User    $user
      * @return array
      */
     private function renderShiftNeededAngeltypes($shift, $needed_angeltypes, $shift_entries, $user)
@@ -156,7 +158,7 @@ class ShiftCalendarShiftRenderer
      * @param array[] $shift_entries
      * @param array[] $angeltype The angeltype, containing information about needed angeltypes
      *                           and already signed up angels
-     * @param array   $user      The user who is viewing the shift calendar
+     * @param User    $user      The user who is viewing the shift calendar
      * @return array
      */
     private function renderShiftNeededAngeltype($shift, $shift_entries, $angeltype, $user)
diff --git a/includes/view/ShiftEntry_view.php b/includes/view/ShiftEntry_view.php
index 1d6ba3a3..51f02cce 100644
--- a/includes/view/ShiftEntry_view.php
+++ b/includes/view/ShiftEntry_view.php
@@ -1,12 +1,14 @@
 <?php
 
+use Engelsystem\Models\User\User;
+
 /**
  * Sign off from an user from a shift with admin permissions, asking for ack.
  *
  * @param array $shiftEntry
  * @param array $shift
  * @param array $angeltype
- * @param array $signoff_user
+ * @param User  $signoff_user
  *
  * @return string HTML
  */
@@ -22,7 +24,7 @@ function ShiftEntry_delete_view_admin($shiftEntry, $shift, $angeltype, $signoff_
             $angeltype['name']
         ), true),
         buttons([
-            button(user_link($signoff_user['UID']), glyph('remove') . __('cancel')),
+            button(user_link($signoff_user->id), glyph('remove') . __('cancel')),
             button(shift_entry_delete_link($shiftEntry, [
                 'continue' => 1
             ]), glyph('ok') . __('delete'), 'btn-danger')
@@ -36,11 +38,11 @@ function ShiftEntry_delete_view_admin($shiftEntry, $shift, $angeltype, $signoff_
  * @param array $shiftEntry
  * @param array $shift
  * @param array $angeltype
- * @param array $signoff_user
+ * @param int   $signoff_user_id
  *
  * @return string HTML
  */
-function ShiftEntry_delete_view($shiftEntry, $shift, $angeltype, $signoff_user)
+function ShiftEntry_delete_view($shiftEntry, $shift, $angeltype, $signoff_user_id)
 {
     return page_with_title(ShiftEntry_delete_title(), [
         info(sprintf(
@@ -51,7 +53,7 @@ function ShiftEntry_delete_view($shiftEntry, $shift, $angeltype, $signoff_user)
             $angeltype['name']
         ), true),
         buttons([
-            button(user_link($signoff_user['UID']), glyph('remove') . __('cancel')),
+            button(user_link($signoff_user_id), glyph('remove') . __('cancel')),
             button(shift_entry_delete_link($shiftEntry, [
                 'continue' => 1
             ]), glyph('ok') . __('delete'), 'btn-danger')
@@ -100,7 +102,7 @@ function ShiftEntry_create_view_admin($shift, $room, $angeltype, $angeltypes_sel
  * @param array $shift
  * @param array $room
  * @param array $angeltype
- * @param array $signup_user
+ * @param User  $signup_user
  * @param array $users_select
  * @return string
  */
@@ -113,7 +115,7 @@ function ShiftEntry_create_view_supporter($shift, $room, $angeltype, $signup_use
             info(sprintf(__('Do you want to sign up the following user for this shift as %s?'),
                 AngelType_name_render($angeltype)), true),
             form([
-                form_select('user_id', __('User'), $users_select, $signup_user['UID']),
+                form_select('user_id', __('User'), $users_select, $signup_user->id),
                 form_submit('submit', glyph('ok') . __('Save'))
             ])
         ]);
diff --git a/includes/view/Shifts_view.php b/includes/view/Shifts_view.php
index bd13a390..2485ec67 100644
--- a/includes/view/Shifts_view.php
+++ b/includes/view/Shifts_view.php
@@ -1,5 +1,6 @@
 <?php
 
+use Engelsystem\Models\User\User;
 use Engelsystem\ShiftSignupState;
 
 /**
@@ -54,14 +55,14 @@ function Shift_editor_info_render($shift)
         $info[] = sprintf(
             glyph('plus') . __('created at %s by %s'),
             date('Y-m-d H:i', $shift['created_at_timestamp']),
-            User_Nick_render(User($shift['created_by_user_id']))
+            User_Nick_render(User::find($shift['created_by_user_id']))
         );
     }
     if (!empty($shift['edited_by_user_id'])) {
         $info[] = sprintf(
             glyph('pencil') . __('edited at %s by %s'),
             date('Y-m-d H:i', $shift['edited_at_timestamp']),
-            User_Nick_render(User($shift['edited_by_user_id']))
+            User_Nick_render(User::find($shift['edited_by_user_id']))
         );
     }
     return join('<br />', $info);
@@ -176,10 +177,8 @@ function Shift_view($shift, $shifttype, $room, $angeltypes_source, ShiftSignupSt
  */
 function Shift_view_render_needed_angeltype($needed_angeltype, $angeltypes, $shift, $user_shift_admin)
 {
-    global $user;
-
     $angeltype = $angeltypes[$needed_angeltype['TID']];
-    $angeltype_supporter = User_is_AngelType_supporter($user, $angeltype);
+    $angeltype_supporter = User_is_AngelType_supporter(auth()->user(), $angeltype);
 
     $needed_angels = '';
 
@@ -226,7 +225,7 @@ function Shift_view_render_needed_angeltype($needed_angeltype, $angeltypes, $shi
  */
 function Shift_view_render_shift_entry($shift_entry, $user_shift_admin, $angeltype_supporter)
 {
-    $entry = User_Nick_render(User($shift_entry['UID']));
+    $entry = User_Nick_render(User::find($shift_entry['UID']));
     if ($shift_entry['freeloaded']) {
         $entry = '<del>' . $entry . '</del>';
     }
diff --git a/includes/view/UserDriverLicenses_view.php b/includes/view/UserDriverLicenses_view.php
index 664a5d58..32977d31 100644
--- a/includes/view/UserDriverLicenses_view.php
+++ b/includes/view/UserDriverLicenses_view.php
@@ -1,9 +1,11 @@
 <?php
 
+use Engelsystem\Models\User\User;
+
 /**
  * Edit a user's driving license information.
  *
- * @param array $user_source         The user
+ * @param User  $user_source         The user
  * @param bool  $wants_to_drive      true, if the user wants to drive
  * @param array $user_driver_license The user driver license
  * @return string
@@ -12,7 +14,7 @@ function UserDriverLicense_edit_view($user_source, $wants_to_drive, $user_driver
 {
     return page_with_title(sprintf(__('Edit %s driving license information'), User_Nick_render($user_source)), [
         buttons([
-            button(user_link($user_source['UID']), __('Back to profile'), 'back')
+            button(user_link($user_source->id), __('Back to profile'), 'back')
         ]),
         msg(),
         form([
diff --git a/includes/view/UserWorkLog_view.php b/includes/view/UserWorkLog_view.php
index e930e9e5..ee35350b 100644
--- a/includes/view/UserWorkLog_view.php
+++ b/includes/view/UserWorkLog_view.php
@@ -36,7 +36,7 @@ function UserWorkLog_delete_title()
 /**
  * Render edit table.
  *
- * @param array $user_source
+ * @param User $user_source
  * @param array $userWorkLog
  * @return string
  */
@@ -54,7 +54,7 @@ function UserWorkLog_edit_form($user_source, $userWorkLog)
 /**
  * Form for edit a user work log entry.
  *
- * @param array $user_source
+ * @param User $user_source
  * @param array $userWorkLog
  * @return string
  */
@@ -62,7 +62,7 @@ function UserWorkLog_edit_view($user_source, $userWorkLog)
 {
     return page_with_title(UserWorkLog_edit_title(), [
         buttons([
-            button(user_link($user_source['UID']), __('back'))
+            button(user_link($user_source->id), __('back'))
         ]),
         msg(),
         UserWorkLog_edit_form($user_source, $userWorkLog)
@@ -72,7 +72,7 @@ function UserWorkLog_edit_view($user_source, $userWorkLog)
 /**
  * Form for adding a user work log entry.
  *
- * @param array $user_source
+ * @param User $user_source
  * @param array $userWorkLog
  * @return string
  */
@@ -80,7 +80,7 @@ function UserWorkLog_add_view($user_source, $userWorkLog)
 {
     return page_with_title(UserWorkLog_add_title(), [
         buttons([
-            button(user_link($user_source['UID']), __('back'))
+            button(user_link($user_source->id), __('back'))
         ]),
         msg(),
         UserWorkLog_edit_form($user_source, $userWorkLog)
diff --git a/includes/view/User_view.php b/includes/view/User_view.php
index 6243d26e..1c1aa30a 100644
--- a/includes/view/User_view.php
+++ b/includes/view/User_view.php
@@ -169,7 +169,7 @@ function User_delete_view($user)
 /**
  * View for editing the number of given vouchers
  *
- * @param array $user
+ * @param User $user
  * @return string
  */
 function User_edit_vouchers_view($user)
@@ -177,7 +177,7 @@ function User_edit_vouchers_view($user)
     return page_with_title(sprintf(__('%s\'s vouchers'), User_Nick_render($user)), [
         msg(),
         buttons([
-            button(user_link($user['UID']), glyph('chevron-left') . __('back'))
+            button(user_link($user->id), glyph('chevron-left') . __('back'))
         ]),
         info(sprintf(
             __('Angel should receive at least  %d vouchers.'),
@@ -185,10 +185,10 @@ function User_edit_vouchers_view($user)
         ), true),
         form(
             [
-                form_spinner('vouchers', __('Number of vouchers given out'), $user['got_voucher']),
+                form_spinner('vouchers', __('Number of vouchers given out'), $user->state->got_voucher),
                 form_submit('submit', __('Save'))
             ],
-            page_link_to('users', ['action' => 'edit_vouchers', 'user_id' => $user['UID']])
+            page_link_to('users', ['action' => 'edit_vouchers', 'user_id' => $user->id])
         )
     ]);
 }
@@ -275,7 +275,7 @@ function Users_table_header_link($column, $label, $order_by)
 }
 
 /**
- * @param array $user
+ * @param User|array $user
  * @return string|false
  */
 function User_shift_state_render($user)
@@ -349,7 +349,7 @@ function User_view_shiftentries($needed_angel_type)
  * Helper that renders a shift line for user view
  *
  * @param array $shift
- * @param array $user_source
+ * @param User  $user_source
  * @param bool  $its_me
  * @return array
  */
@@ -398,12 +398,12 @@ function User_view_myshift($shift, $user_source, $its_me)
     ];
     if ($its_me || in_array('user_shifts_admin', $privileges)) {
         $myshift['actions'][] = button(
-            page_link_to('user_myshifts', ['edit' => $shift['id'], 'id' => $user_source['UID']]),
+            page_link_to('user_myshifts', ['edit' => $shift['id'], 'id' => $user_source->id]),
             glyph('edit') . __('edit'),
             'btn-xs'
         );
     }
-    if (Shift_signout_allowed($shift, ['id' => $shift['TID']], $user_source)) {
+    if (Shift_signout_allowed($shift, ['id' => $shift['TID']], $user_source->id)) {
         $myshift['actions'][] = button(
             shift_entry_delete_link($shift),
             glyph('trash') . __('sign off'),
@@ -419,7 +419,7 @@ function User_view_myshift($shift, $user_source, $its_me)
  * Helper that prepares the shift table for user view
  *
  * @param array[] $shifts
- * @param array   $user_source
+ * @param User    $user_source
  * @param bool    $its_me
  * @param int     $tshirt_score
  * @param bool    $tshirt_admin
@@ -510,7 +510,7 @@ function User_view_worklog($worklog, $admin_user_worklog_privilege)
         'comment'    => $worklog['comment'] . '<br>'
             . sprintf(
                 __('Added by %s at %s'),
-                User_Nick_render(User($worklog['created_user_id'])),
+                User_Nick_render(User::find($worklog['created_user_id'])),
                 date('Y-m-d H:i', $worklog['created_timestamp'])
             ),
         'actions'    => $actions
@@ -520,7 +520,7 @@ function User_view_worklog($worklog, $admin_user_worklog_privilege)
 /**
  * Renders view for a single user
  *
- * @param array   $user_source
+ * @param User    $user_source
  * @param bool    $admin_user_privilege
  * @param bool    $freeloader
  * @param array[] $user_angeltypes
@@ -547,7 +547,9 @@ function User_view(
     $user_worklogs
 ) {
     $nightShiftsConfig = config('night_shifts');
-    $user_name = htmlspecialchars($user_source['Vorname']) . ' ' . htmlspecialchars($user_source['Name']);
+    $user_name = htmlspecialchars(
+            $user_source->personalData->first_name) . ' ' . htmlspecialchars($user_source->personalData->last_name
+        );
     $myshifts_table = '';
     if ($its_me || $admin_user_privilege) {
         $my_shifts = User_view_myshifts(
@@ -568,14 +570,14 @@ function User_view(
                 'comment'    => __('Comment'),
                 'actions'    => __('Action')
             ], $my_shifts);
-        } elseif ($user_source['force_active']) {
+        } elseif ($user_source->state->force_active) {
             $myshifts_table = success(__('You have done enough to get a t-shirt.'), true);
         }
     }
 
     return page_with_title(
         '<span class="icon-icon_angel"></span> '
-        . htmlspecialchars($user_source['Nick'])
+        . htmlspecialchars($user_source->name)
         . ' <small>' . $user_name . '</small>',
         [
             msg(),
@@ -583,21 +585,21 @@ function User_view(
                 div('col-md-12', [
                     buttons([
                         $admin_user_privilege ? button(
-                            page_link_to('admin_user', ['id' => $user_source['UID']]),
+                            page_link_to('admin_user', ['id' => $user_source->id]),
                             glyph('edit') . __('edit')
                         ) : '',
                         $admin_user_privilege ? button(
                             user_driver_license_edit_link($user_source),
                             glyph('road') . __('driving license')
                         ) : '',
-                        ($admin_user_privilege && !$user_source['Gekommen']) ? button(
-                            page_link_to('admin_arrive', ['arrived' => $user_source['UID']]),
+                        ($admin_user_privilege && !$user_source->state->arrived) ? button(
+                            page_link_to('admin_arrive', ['arrived' => $user_source->id]),
                             __('arrived')
                         ) : '',
                         $admin_user_privilege ? button(
                             page_link_to(
                                 'users',
-                                ['action' => 'edit_vouchers', 'user_id' => $user_source['UID']]
+                                ['action' => 'edit_vouchers', 'user_id' => $user_source->id]
                             ),
                             glyph('cutlery') . __('Edit vouchers')
                         ) : '',
@@ -610,11 +612,11 @@ function User_view(
                             glyph('list-alt') . __('Settings')
                         ) : '',
                         $its_me ? button(
-                            page_link_to('ical', ['key' => $user_source['api_key']]),
+                            page_link_to('ical', ['key' => $user_source->api_key]),
                             glyph('calendar') . __('iCal Export')
                         ) : '',
                         $its_me ? button(
-                            page_link_to('shifts_json_export', ['key' => $user_source['api_key']]),
+                            page_link_to('shifts_json_export', ['key' => $user_source->api_key]),
                             glyph('export') . __('JSON Export')
                         ) : '',
                         $its_me ? button(
@@ -626,7 +628,7 @@ function User_view(
             ]),
             div('row', [
                 div('col-md-3', [
-                    heading(glyph('phone') . $user_source['DECT'], 1)
+                    heading(glyph('phone') . $user_source->contact->dect, 1)
                 ]),
                 User_view_state($admin_user_privilege, $freeloader, $user_source),
                 User_angeltypes_render($user_angeltypes),
@@ -656,9 +658,9 @@ function User_view(
 /**
  * Render the state section of user view
  *
- * @param bool  $admin_user_privilege
- * @param bool  $freeloader
- * @param array $user_source
+ * @param bool $admin_user_privilege
+ * @param bool $freeloader
+ * @param User $user_source
  * @return string
  */
 function User_view_state($admin_user_privilege, $freeloader, $user_source)
@@ -678,7 +680,7 @@ function User_view_state($admin_user_privilege, $freeloader, $user_source)
 /**
  * Render the state section of user view for users.
  *
- * @param array $user_source
+ * @param User $user_source
  * @return array
  */
 function User_view_state_user($user_source)
@@ -687,7 +689,7 @@ function User_view_state_user($user_source)
         User_shift_state_render($user_source)
     ];
 
-    if ($user_source['Gekommen']) {
+    if ($user_source->state->arrived) {
         $state[] = '<span class="text-success">' . glyph('home') . __('Arrived') . '</span>';
     } else {
         $state[] = '<span class="text-danger">' . __('Not arrived') . '</span>';
@@ -700,8 +702,8 @@ function User_view_state_user($user_source)
 /**
  * Render the state section of user view for admins.
  *
- * @param bool  $freeloader
- * @param array $user_source
+ * @param bool $freeloader
+ * @param User $user_source
  * @return array
  */
 function User_view_state_admin($freeloader, $user_source)
@@ -714,29 +716,37 @@ function User_view_state_admin($freeloader, $user_source)
 
     $state[] = User_shift_state_render($user_source);
 
-    if ($user_source['Gekommen']) {
+    if ($user_source->state->arrived) {
         $state[] = '<span class="text-success">' . glyph('home')
-            . sprintf(__('Arrived at %s'), date('Y-m-d', $user_source['arrival_date']))
+            . sprintf(
+                __('Arrived at %s'),
+                $user_source->personalData->arrival_date ? $user_source->personalData->arrival_date->format('Y-m-d') : ''
+            )
             . '</span>';
 
-        if ($user_source['force_active']) {
+        if ($user_source->state->force_active) {
             $state[] = '<span class="text-success">' . __('Active (forced)') . '</span>';
-        } elseif ($user_source['Aktiv']) {
+        } elseif ($user_source->state->active) {
             $state[] = '<span class="text-success">' . __('Active') . '</span>';
         }
-        if ($user_source['Tshirt']) {
+        if ($user_source->personalData->shirt_size) {
             $state[] = '<span class="text-success">' . __('T-Shirt') . '</span>';
         }
     } else {
+        $arrivalDate = $user_source->personalData->planned_arrival_date;
         $state[] = '<span class="text-danger">'
-            . sprintf(__('Not arrived (Planned: %s)'), date('Y-m-d', $user_source['planned_arrival_date']))
+            . sprintf(
+                __('Not arrived (Planned: %s)'),
+                $arrivalDate ? $arrivalDate->format('Y-m-d') : ''
+            )
             . '</span>';
     }
 
-    if ($user_source['got_voucher'] > 0) {
+    if ($user_source->state->got_voucher > 0) {
+        $voucherCount = $user_source->state->got_voucher;
         $state[] = '<span class="text-success">'
             . glyph('cutlery')
-            . _e('Got %s voucher', 'Got %s vouchers', $user_source['got_voucher'], [$user_source['got_voucher']])
+            . _e('Got %s voucher', 'Got %s vouchers', $voucherCount, [$voucherCount])
             . '</span>';
     } else {
         $state[] = '<span class="text-danger">' . __('Got no vouchers') . '</span>';
@@ -884,9 +894,7 @@ function render_user_departure_date_hint()
  */
 function render_user_freeloader_hint()
 {
-    global $user;
-
-    if (User_is_freeloader($user)) {
+    if (User_is_freeloader(auth()->user())) {
         return sprintf(
             __('You freeloaded at least %s shifts. Shift signup is locked. Please go to heavens desk to be unlocked again.'),
             config('max_freeloadable_shifts')