freeloader feature

config/config.default.php

@@ -26,6 +26,9 @@ define('MIN_PASSWORD_LENGTH', 8);
 // Wenn Engel beim Registrieren oder in ihrem Profil eine T-Shirt Größe angeben sollen, auf true setzen:
 $enable_tshirt_size = true;
 
+// Number of shifts to freeload until angel is locked for shift signup.
+$max_freeloadable_shifts = 2;
+
 // local timezone
 date_default_timezone_set("Europe/Berlin");
 
@@ -34,13 +37,13 @@ $PentabarfXMLhost = "cccv.pentabarf.org";
 $PentabarfXMLpath = "Xcal/conference/";
 $PentabarfXMLEventID = "31";
 
-// multiply "night shifts" (start or end between 2 and 6 exclusive) by 2
+// multiply "night shifts" and freeloaded shifts (start or end between 2 and 6 exclusive) by 2
 $shift_sum_formula = "SUM(
   (1+(
     (HOUR(FROM_UNIXTIME(`Shifts`.`end`)) > 2 AND HOUR(FROM_UNIXTIME(`Shifts`.`end`)) < 6)
     OR (HOUR(FROM_UNIXTIME(`Shifts`.`start`)) > 2 AND HOUR(FROM_UNIXTIME(`Shifts`.`start`)) < 6)
     OR (HOUR(FROM_UNIXTIME(`Shifts`.`start`)) <= 2 AND HOUR(FROM_UNIXTIME(`Shifts`.`end`)) >= 6)
-  ))*(`Shifts`.`end` - `Shifts`.`start`)
+  ))*(`Shifts`.`end` - `Shifts`.`start`)*(-2 * `ShiftEntry`.`freeloaded`)
 )";
 
 // weigh every shift the same

db/update.sql

@@ -1,3 +1,7 @@
+/* freeloader */
+ALTER TABLE `ShiftEntry` ADD `freeloaded` BOOLEAN NOT NULL, ADD INDEX ( `freeloaded` );
+ALTER TABLE `ShiftEntry` ADD `freeload_comment` TEXT NULL DEFAULT NULL;
+
 /* password recovery */
 ALTER TABLE `User` ADD `password_recovery_token` VARCHAR( 32 ) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL AFTER `Passwort` ,
 ADD INDEX ( `password_recovery_token` );

includes/model/ShiftEntry_model.php

@@ -14,4 +14,14 @@ function ShiftEntries_by_shift_and_angeltype($shift_id, $angeltype_id) {
       ");
 }
 
+/**
+ * Returns all freeloaded shifts for given user.
+ */
+function ShiftEntries_freeloaded_by_user($user) {
+  return sql_select("SELECT * 
+      FROM `ShiftEntry` 
+      WHERE `freeloaded` = 1 
+      AND `UID`=" . sql_escape($user['UID']));
+}
+
 ?>

includes/pages/user_myshifts.php

@@ -26,20 +26,45 @@ function user_myshifts() {
     return template_render('../templates/user_myshifts_reset.html', array());
   } elseif (isset($_REQUEST['edit']) && preg_match("/^[0-9]*$/", $_REQUEST['edit'])) {
     $id = $_REQUEST['edit'];
-    $shift = sql_select("SELECT `ShiftEntry`.`Comment`, `ShiftEntry`.`UID`, `Shifts`.*, `Room`.`Name`, `AngelTypes`.`name` as `angel_type` FROM `ShiftEntry` JOIN `AngelTypes` ON (`ShiftEntry`.`TID` = `AngelTypes`.`id`) JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) WHERE `ShiftEntry`.`id`=" . sql_escape($id) . " AND `UID`=" . sql_escape($shifts_user['UID']) . " LIMIT 1");
+    $shift = sql_select("SELECT 
+        `ShiftEntry`.`freeloaded`, 
+        `ShiftEntry`.`freeload_comment`, 
+        `ShiftEntry`.`Comment`, 
+        `ShiftEntry`.`UID`, 
+        `Shifts`.*, 
+        `Room`.`Name`, 
+        `AngelTypes`.`name` as `angel_type` 
+        FROM `ShiftEntry` 
+        JOIN `AngelTypes` ON (`ShiftEntry`.`TID` = `AngelTypes`.`id`) 
+        JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) 
+        JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) 
+        WHERE `ShiftEntry`.`id`=" . sql_escape($id) . " 
+        AND `UID`=" . sql_escape($shifts_user['UID']) . " LIMIT 1");
     if (count($shift) > 0) {
       $shift = $shift[0];
       
       if (isset($_REQUEST['submit'])) {
+        $freeloaded = $shift['freeloaded'];
+        $freeload_comment = $shift['freeload_comment'];
+        if (in_array("user_shifts_admin", $privileges)) {
+          $freeloaded = isset($_REQUEST['freeloaded']);
+          $freeload_comment = strip_request_item_nl('freeload_comment');
+        }
+        
         $comment = strip_request_item_nl('comment');
         $user_source = User($shift['UID']);
-        sql_query("UPDATE `ShiftEntry` SET `Comment`='" . sql_escape($comment) . "' WHERE `id`=" . sql_escape($id) . " LIMIT 1");
+        sql_query("UPDATE `ShiftEntry` SET 
+            `Comment`='" . sql_escape($comment) . "',
+            `freeloaded`=" . sql_escape($freeloaded ? 1 : 0) . ",
+            `freeload_comment`='" . sql_escape($freeload_comment) . "'
+            WHERE `id`=" . sql_escape($id) . " 
+            LIMIT 1");
         engelsystem_log("Updated " . User_Nick_render($user_source) . "'s shift " . $shift['name'] . " from " . date("y-m-d H:i", $shift['start']) . " to " . date("y-m-d H:i", $shift['end']) . " with comment " . $comment);
         success(_("Shift saved."));
         redirect(page_link_to('user_myshifts'));
       }
       
-      return ShiftEntry_edit_view(User_Nick_render($shifts_user), date("Y-m-d H:i", $shift['start']) . ', ' . shift_length($shift), $shift['Name'], $shift['name'], $shift['angel_type'], $shift['Comment']);
+      return ShiftEntry_edit_view(User_Nick_render($shifts_user), date("Y-m-d H:i", $shift['start']) . ', ' . shift_length($shift), $shift['Name'], $shift['name'], $shift['angel_type'], $shift['Comment'], $shift['freeloaded'], $shift['freeload_comment'], in_array("user_shifts_admin", $privileges));
     } else
       redirect(page_link_to('user_myshifts'));
   } elseif (isset($_REQUEST['cancel']) && preg_match("/^[0-9]*$/", $_REQUEST['cancel'])) {
@@ -51,7 +76,7 @@ function user_myshifts() {
         sql_query("DELETE FROM `ShiftEntry` WHERE `id`=" . sql_escape($id) . " LIMIT 1");
         $msg .= success(_("You have been signed off from the shift."), true);
       } else
-        $msg .= error(_("It's too late to sign yourself off the shift. If neccessary, as the dispatcher to do so."), true);
+        $msg .= error(_("It's too late to sign yourself off the shift. If neccessary, ask the dispatcher to do so."), true);
     } else
       redirect(page_link_to('user_myshifts'));
   }
@@ -66,13 +91,17 @@ function user_myshifts() {
     foreach ($needed_angel_types_source as $needed_angel_type) {
       $shift_info .= '<br><b>' . $needed_angel_type['name'] . ':</b> ';
       
-      $users_source = sql_select("SELECT `User`.* FROM `ShiftEntry` JOIN `User` ON `ShiftEntry`.`UID`=`User`.`UID` WHERE `ShiftEntry`.`SID`=" . sql_escape($shift['SID']) . " AND `ShiftEntry`.`TID`=" . sql_escape($needed_angel_type['id']));
+      $users_source = sql_select("SELECT `ShiftEntry`.`freeloaded`, `User`.* FROM `ShiftEntry` JOIN `User` ON `ShiftEntry`.`UID`=`User`.`UID` WHERE `ShiftEntry`.`SID`=" . sql_escape($shift['SID']) . " AND `ShiftEntry`.`TID`=" . sql_escape($needed_angel_type['id']));
       $shift_entries = array();
       foreach ($users_source as $user_source) {
         if ($user['UID'] == $user_source['UID'])
-          $shift_entries[] = '<b>' . $user_source['Nick'] . '</b>';
+          $member = '<b>' . $user_source['Nick'] . '</b>';
         else
-          $shift_entries[] = User_Nick_render($user_source);
+          $member = User_Nick_render($user_source);
+        if ($user_source['freeloaded'])
+          $member = '<strike>' . $member . '</strike>';
+        
+        $shift_entries[] = $member;
       }
       $shift_info .= join(", ", $shift_entries);
     }
@@ -85,12 +114,22 @@ function user_myshifts() {
         'comment' => $shift['Comment'] 
     );
     
+    if ($shift['freeloaded']) {
+      if (in_array("user_shifts_admin", $privileges))
+        $myshift['comment'] .= '<br /><p class="error">' . _("Freeloaded") . ': ' . $shift['freeload_comment'] . '</p>';
+      else
+        $myshift['comment'] .= '<br /><p class="error">' . _("Freeloaded") . '</p>';
+    }
+    
     $myshift['actions'] = "";
     if ($id == $user['UID'])
       $myshift['actions'] .= img_button(page_link_to('user_myshifts') . '&edit=' . $shift['id'], 'pencil', _("edit"));
     if (($shift['start'] > time() + $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges))
       $myshift['actions'] .= img_button(page_link_to('user_myshifts') . (($id != $user['UID']) ? '&id=' . $id : '') . '&cancel=' . $shift['id'], 'cross', _("sign off"));
     
+    if ($shift['freeloaded'])
+      $timesum += - 2 * ($shift['end'] - $shift['start']);
+    else
       $timesum += $shift['end'] - $shift['start'];
     $myshifts_table[] = $myshift;
   }

includes/pages/user_shifts.php

@@ -4,7 +4,10 @@ function shifts_title() {
 }
 
 function user_shifts() {
-  global $user, $privileges;
+  global $user, $privileges, $max_freeloadable_shifts;
+  
+  if (count(ShiftEntries_freeloaded_by_user($user)) >= $max_freeloadable_shifts)
+    redirect(page_link_to('user_myshifts'));
     
     // Löschen einzelner Schicht-Einträge (Also Belegung einer Schicht von Engeln) durch Admins
   if (isset($_REQUEST['entry_id']) && in_array('user_shifts_admin', $privileges)) {
@@ -239,8 +242,21 @@ function user_shifts() {
       if (sql_num_query("SELECT * FROM `ShiftEntry` WHERE `SID`='" . sql_escape($shift['SID']) . "' AND `UID` = '" . sql_escape($user_id) . "'"))
         return error("This angel does already have an entry for this shift.", true);
       
+      $freeloaded = $shift['freeloaded'];
+      $freeload_comment = $shift['freeload_comment'];
+      if (in_array("user_shifts_admin", $privileges)) {
+        $freeloaded = isset($_REQUEST['freeloaded']);
+        $freeload_comment = strip_request_item_nl('freeload_comment');
+      }
+      
       $comment = strip_request_item_nl('comment');
-      sql_query("INSERT INTO `ShiftEntry` SET `Comment`='" . sql_escape($comment) . "', `UID`=" . sql_escape($user_id) . ", `TID`=" . sql_escape($selected_type_id) . ", `SID`=" . sql_escape($shift_id));
+      sql_query("INSERT INTO `ShiftEntry` SET 
+          `Comment`='" . sql_escape($comment) . "', 
+          `freeloaded`=" . sql_escape($freeloaded ? 1 : 0) . ",
+          `freeload_comment`='" . sql_escape($freeload_comment) . "',
+          `UID`=" . sql_escape($user_id) . ", 
+          `TID`=" . sql_escape($selected_type_id) . ", 
+          `SID`=" . sql_escape($shift_id));
       if ($type['restricted'] == 0 && sql_num_query("SELECT * FROM `UserAngelTypes` INNER JOIN `AngelTypes` ON `AngelTypes`.`id` = `UserAngelTypes`.`angeltype_id` WHERE `angeltype_id` = '" . sql_escape($selected_type_id) . "' AND `user_id` = '" . sql_escape($user_id) . "' ") == 0)
         sql_query("INSERT INTO `UserAngelTypes` (`user_id`, `angeltype_id`) VALUES ('" . sql_escape($user_id) . "', '" . sql_escape($selected_type_id) . "')");
       
@@ -251,10 +267,11 @@ function user_shifts() {
     }
     
     if (in_array('user_shifts_admin', $privileges)) {
-      $users = sql_select("SELECT * FROM `User` ORDER BY `Nick`");
+      $users = sql_select("SELECT *, (SELECT count(*) FROM `ShiftEntry` WHERE `freeloaded`=1 AND `ShiftEntry`.`UID`=`User`.`UID`) AS `freeloaded` FROM `User` ORDER BY `Nick`");
       $users_select = array();
+      
       foreach ($users as $usr)
-        $users_select[$usr['UID']] = $usr['Nick'];
+        $users_select[$usr['UID']] = $usr['Nick'] . ($usr['freeloaded'] == 0 ? "" : " (" . _("Freeloader") . ")");
       $user_text = html_select_key('user_id', 'user_id', $users_select, $user['UID']);
       
       $angeltypes_source = sql_select("SELECT * FROM `AngelTypes` ORDER BY `name`");
@@ -267,7 +284,7 @@ function user_shifts() {
       $angeltyppe_select = $type['name'];
     }
     
-    return ShiftEntry_edit_view(date("Y-m-d H:i", $shift['start']) . ' – ' . date('Y-m-d H:i', $shift['end']) . ' (' . shift_length($shift) . ')', $shift['name'], $shift['Name'], $user_text, $angeltyppe_select, "");
+    return ShiftEntry_edit_view(date("Y-m-d H:i", $shift['start']) . ' – ' . date('Y-m-d H:i', $shift['end']) . ' (' . shift_length($shift) . ')', $shift['name'], $shift['Name'], $user_text, $angeltyppe_select, "", false, null, in_array('user_shifts_admin', $privileges));
   } else {
     return view_user_shifts();
   }
@@ -495,17 +512,22 @@ function view_user_shifts() {
                 foreach ($angeltypes as $angeltype) {
                   $entries = sql_select("SELECT * FROM `ShiftEntry` JOIN `User` ON (`ShiftEntry`.`UID` = `User`.`UID`) WHERE `SID`=" . sql_escape($shift['SID']) . " AND `TID`=" . sql_escape($angeltype['id']) . " ORDER BY `Nick`");
                   $entry_list = array();
+                  $freeloader = 0;
                   foreach ($entries as $entry) {
                     if ($entry['Gekommen'] == 1)
                       $style = "font-weight:bold;";
                     else
                       $style = "font-weight:normal;";
+                    if ($entry['freeloaded']) {
+                      $freeloader ++;
+                      $style .= " text-decoration: line-through;";
+                    }
                     if (in_array('user_shifts_admin', $privileges))
                       $entry_list[] = "<span style=\"$style\">" . User_Nick_render($entry) . ' ' . img_button(page_link_to('user_shifts') . '&entry_id=' . $entry['id'], 'bin', _("delete")) . '</span>';
                     else
                       $entry_list[] = "<span style=\"$style\">" . User_Nick_render($entry) . "</span>";
                   }
-                  if ($angeltype['count'] - count($entries) > 0) {
+                  if ($angeltype['count'] - count($entries) - $freeloader > 0) {
                     $inner_text = sprintf(ngettext("%d helper needed", "%d helpers needed", $angeltype['count'] - count($entries)), $angeltype['count'] - count($entries));
                     // is the shift still running or alternatively is the user shift admin?
                     $user_may_join_shift = true;
@@ -619,19 +641,26 @@ function view_user_shifts() {
       $angeltypes = sql_select($query);
       if (count($angeltypes) > 0) {
         $my_shift = sql_num_query("SELECT * FROM `ShiftEntry` WHERE `SID`=" . sql_escape($shift['SID']) . " AND `UID`=" . sql_escape($user['UID']) . " LIMIT 1") > 0;
+
         foreach ($angeltypes as &$angeltype) {
           $entries = sql_select("SELECT * FROM `ShiftEntry` JOIN `User` ON (`ShiftEntry`.`UID` = `User`.`UID`) WHERE `SID`=" . sql_escape($shift['SID']) . " AND `TID`=" . sql_escape($angeltype['id']) . " ORDER BY `Nick`");
           $entry_list = array();
+          $freeloader = 0;
           foreach ($entries as $entry) {
             if (in_array('user_shifts_admin', $privileges))
-              $entry_list[] = User_Nick_render($entry) . ' ' . img_button(page_link_to('user_shifts') . '&entry_id=' . $entry['id'], 'bin', _("delete"));
+              $member = User_Nick_render($entry) . ' ' . img_button(page_link_to('user_shifts') . '&entry_id=' . $entry['id'], 'bin', _("delete"));
             else
-              $entry_list[] = User_Nick_render($entry);
+              $member = User_Nick_render($entry);
+            if ($entry['freeloaded']) {
+              $member = '<strike>' . $member . '</strike>';
+              $freeloader ++;
             }
-          $angeltype['taken'] = count($entries);
+            $entry_list[] = $member;
+          }
+          $angeltype['taken'] = count($entries) - $freeloader;
           // do we need more angles of this type?
-          if ($angeltype['count'] - count($entries) > 0) {
-            $inner_text = sprintf(ngettext("%d helper needed", "%d helpers needed", $angeltype['count'] - count($entries)), $angeltype['count'] - count($entries));
+          if ($angeltype['count'] - count($entries) + $freeloader > 0) {
+            $inner_text = sprintf(ngettext("%d helper needed", "%d helpers needed", $angeltype['count'] - count($entries) + $freeloader), $angeltype['count'] - count($entries) + $freeloader);
             // is the shift still running or alternatively is the user shift admin?
             $user_may_join_shift = true;
             

includes/view/ShiftEntry_view.php

@@ -11,7 +11,15 @@
  * 
  * @return string
  */
-function ShiftEntry_edit_view($angel, $date, $location, $title, $type, $comment) {
+function ShiftEntry_edit_view($angel, $date, $location, $title, $type, $comment, $freeloaded, $freeload_comment, $user_admin_shifts = false) {
+  if ($user_admin_shifts) {
+    $freeload_form = array(
+        form_checkbox('freeloaded', _("Freeloaded"), $freeloaded),
+        form_textarea('freeload_comment', _("Freeload comment (Only for shift coordination):"), $freeload_comment) 
+    );
+  } else {
+    $freeload_form = $freeloaded ? "" : "";
+  }
   return page(array(
       form(array(
           form_info(_("Angel:"), $angel),
@@ -20,6 +28,7 @@ function ShiftEntry_edit_view($angel, $date, $location, $title, $type, $comment)
           form_info(_("Title:"), $title),
           form_info(_("Type:"), $type),
           form_textarea('comment', _("Comment (for your eyes only):"), $comment),
+          join("", $freeload_form),
           form_submit('submit', _("Save")) 
       )) 
   ));

public/index.php

@@ -196,6 +196,10 @@ if (isset($_REQUEST['p']) && preg_match("/^[a-z0-9_]*$/i", $_REQUEST['p']) && (i
 }
 
 if (isset($user)) {
+  $freeloaded_shifts_count = count(ShiftEntries_freeloaded_by_user($user));
+  if($freeloaded_shifts_count >= $max_freeloadable_shifts)
+    $content = error(sprintf(_("You freeloaded %s shifts. Shift signup is locked. Please go to heavens desk to be unlocked again."), $freeloaded_shifts_count), true) . $content;
+  
   // Hinweis für ungelesene Nachrichten
   if ($p != "user_messages")
     $content = user_unread_messages() . $content;