filter only future categories

pdir · Aug 3, 2016 · 9b40fe4 · 9b40fe4
1 parent aaaa691
commit 9b40fe4
Show file tree

Hide file tree

Showing 5 changed files with 49 additions and 6 deletions.
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
@@ -1,6 +1,7 @@
 mae_event_categories Changelog
 ==============================
 
+Version 1.5.0        (2016-08-03) added 'only filter by categories, assigned to future events' to the event filter module
 Version 1.4.0 RC1    (2016-04-29) added sortable cat filter list and filter url friendlieness
 Version 1.3.0        (2016-01-08) added categories to calendar and eventmenu modules
 Version 1.2.0        (2015-12-16) added default categories in user/group

diff --git a/dca/tl_module.php b/dca/tl_module.php
@@ -29,5 +29,12 @@
     'eval'                    => array('maxlength'=>50, 'tl_class'=>'w50', 'rgxp'=>'alias'),
     'sql'                     => "varchar(50) NOT NULL default ''"
 );
-$GLOBALS['TL_DCA']['tl_module']['palettes']['mae_event_filter'] = '{title_legend},name,type;{mae_setup_legend},mae_event_list,headline,mae_event_catname;{event_cat_legend:hide},event_categories';
+$GLOBALS['TL_DCA']['tl_module']['fields']['mae_only_future_cat'] = array(
+    'label'                   => &$GLOBALS['TL_LANG']['tl_module']['mae_only_future_cat'],
+    'exclude'                 => true,
+    'inputType'               => 'checkbox',
+    'eval'                    => array('tl_class'=>'clr'),
+    'sql'                     => "char(1) NOT NULL default ''"
+);
+$GLOBALS['TL_DCA']['tl_module']['palettes']['mae_event_filter'] = '{title_legend},name,type;{mae_setup_legend},mae_event_list,headline,mae_event_catname,mae_only_future_cat;{event_cat_legend:hide},event_categories';
 ?>
diff --git a/languages/de/tl_module.php b/languages/de/tl_module.php
@@ -3,4 +3,5 @@
 $GLOBALS['TL_LANG']['tl_module']['event_cat_legend'] = 'Eventkategorien';
 $GLOBALS['TL_LANG']['tl_module']['mae_event_list'] = array('Eventliste', 'Das Eventlistenmodul, das gefiltert werden soll');
 $GLOBALS['TL_LANG']['tl_module']['mae_setup_legend'] = 'Einstellungen';
-$GLOBALS['TL_LANG']['tl_module']['mae_event_catname'] = array('Filter URL Parameter', 'Falls nichts angegeben wird, lautet der Filter-Parameter "category"');
+$GLOBALS['TL_LANG']['tl_module']['mae_event_catname'] = array('Filter URL Parameter', 'Falls nichts angegeben wird, lautet der Filter-Parameter "category"');
+$GLOBALS['TL_LANG']['tl_module']['mae_only_future_cat'] = array('Nur Kategorien aus zukünftigen Events auflisten', 'Sollen nur Kategorien im Filter aufgelistet werden, die mindestens einem zukünftigen Event zugewiesen sind');
diff --git a/languages/en/tl_module.php b/languages/en/tl_module.php
@@ -3,4 +3,5 @@
 $GLOBALS['TL_LANG']['tl_module']['event_cat_legend'] = 'Event categories';
 $GLOBALS['TL_LANG']['tl_module']['mae_event_list'] = array('Event list', 'The event list module which has to be filtered');
 $GLOBALS['TL_LANG']['tl_module']['mae_setup_legend'] = 'Setup';
-$GLOBALS['TL_LANG']['tl_module']['mae_event_catname'] = array('Filter URL Parameter', 'if nothing specified, it will be "category"');
+$GLOBALS['TL_LANG']['tl_module']['mae_event_catname'] = array('Filter URL Parameter', 'if nothing specified, it will be "category"');
+$GLOBALS['TL_LANG']['tl_module']['mae_only_future_cat'] = array('List categories of future events, only', 'Should only categories be listed in the filter, which are assigned to at least one event in the future');
diff --git a/modules/ModuleFilter.php b/modules/ModuleFilter.php
@@ -34,9 +34,12 @@ public function generate()
      */
     protected function compile()
     {
-        $allowAllCats = false;
-        $paramName = empty($this->mae_event_catname) ? "category" : $this->mae_event_catname;
-        $selectedCat = Input::get($paramName);
+        $allowAllCats   = false;
+        $paramName      = empty($this->mae_event_catname) ? "category" : $this->mae_event_catname;
+        $selectedCat    = Input::get($paramName);
+        $onlyFutureCats = $this->mae_only_future_cat == '1';
+        $futureCats     = array();
+
         $this->Template->selectedCategory = empty($selectedCat) ? "all" : $selectedCat;
         $this->Template->showAllHref = $this->addToUrl($paramName . '=all');
 
@@ -57,6 +60,9 @@ protected function compile()
                 $allowAllCats = true;
             }
         }
+        if($onlyFutureCats) {
+            $futureCats = $this->getFutureCategories();
+        }
 
         $item_ar = array();
         if(count($filterCats) > 0 || $allowAllCats) {
@@ -76,6 +82,9 @@ protected function compile()
                 }
             }
             foreach ($item_ar as $item) {
+                if($onlyFutureCats && !in_array($item['id'], $futureCats)) {
+                    continue;
+                }
                 if($selectedCat == $item['id'] || $selectedCat == $item['alias']) {
                     $item['cssClass'] = $item['cssClass'] . " active";
                 }
@@ -91,4 +100,28 @@ protected function compile()
         } // if have categories
         $this->Template->items = $items;
     }
+
+    /**
+     * get all categories, assigned to published events in the future
+     * @return array an array of category ids
+     */
+    protected function getFutureCategories()
+    {
+        $result = array();
+        $now = time();
+        $sqlCat = "SELECT categories FROM tl_calendar_events WHERE published='1' AND (startTime >= " . $now . " OR endTime >= " . $now . ")";
+        $objCat = $this->Database->execute($sqlCat);
+        while ($cat = $objCat->fetchAssoc()) {
+            $eventCats = $cat['categories'];
+            if(!empty($eventCats)) {
+                $eventCats = deserialize($eventCats, true);
+                foreach ($eventCats as $eventCatId) {
+                    if(!in_array($eventCatId, $result)) {
+                        $result[] = (int)$eventCatId;
+                    }
+                }
+            }
+        }
+        return $result;
+    }
 }