listing modifications + added description to segments

lib/Models/Segment.php

@@ -14,6 +14,13 @@ class Segment extends Model {
     ));
   }
 
+  function delete() {
+    // delete all relations to subscribers
+    SubscriberSegment::where('segment_id', $this->id)->deleteMany();
+
+    return parent::delete();
+  }
+
   function subscribers() {
     return $this->has_many_through(
       __NAMESPACE__.'\Subscriber',
@@ -41,12 +48,22 @@ class Segment extends Model {
       array(
         'name' => 'all',
         'label' => __('All'),
-        'count' => Segment::count()
+        'count' => Segment::whereNull('deleted_at')->count()
+      ),
+      array(
+        'name' => 'trash',
+        'label' => __('Trash'),
+        'count' => Segment::whereNotNull('deleted_at')->count()
       )
     );
   }
 
-  static function group($orm, $group = null) {
+  static function groupBy($orm, $group = null) {
+    if($group === 'trash') {
+      return $orm->whereNotNull('deleted_at');
+    } else {
+      $orm = $orm->whereNull('deleted_at');
+    }
   }
 
   static function createOrUpdate($data = array()) {
@@ -77,7 +94,45 @@ class Segment extends Model {
     return false;
   }
 
-  static function trash($listing) {
-    return $listing->getSelection()->deleteMany();
+  static function trash($listing, $data = array()) {
+    $confirm_delete = filter_var($data['confirm'], FILTER_VALIDATE_BOOLEAN);
+    if($confirm_delete) {
+      // delete relations with all segments
+      $segments = $listing->getSelection()->findResultSet();
+
+      if(!empty($segments)) {
+        $segments_count = 0;
+        foreach($segments as $segment) {
+          if($segment->delete()) {
+            $segments_count++;
+          }
+        }
+        return array(
+          'segments' => $segments_count
+        );
+      }
+      return false;
+    } else {
+      // soft delete
+      $segments = $listing->getSelection()
+        ->findResultSet()
+        ->set_expr('deleted_at', 'NOW()')
+        ->save();
+
+      return array(
+        'segments' => $segments->count()
+      );
+    }
+  }
+
+  static function restore($listing, $data = array()) {
+    $segments = $listing->getSelection()
+      ->findResultSet()
+      ->set_expr('deleted_at', 'NULL')
+      ->save();
+
+    return array(
+      'segments' => $segments->count()
+    );
   }
 }