new: [API] added count returnformat for the REST api, fixes #6233

- simply counts the number of attributes/events found (on each respective scope)

app/Lib/Export/CountExport.php

@@ -0,0 +1,36 @@
+<?php
+// You can count on me. Raiders roll.
+class CountExport
+{
+    public $additional_params = array(
+        'flatten' => 1
+    );
+    private $__count = 0;
+    public $non_restrictive_export = true;
+
+    public function handler($data, $options = array())
+    {
+        if ($options['scope'] === 'Attribute') {
+            $this->__count++;
+        }
+        if ($options['scope'] === 'Event') {
+            $this->__count++;
+        }
+        return '';
+    }
+
+    public function header($options = array())
+    {
+        return '';
+    }
+
+    public function footer()
+    {
+        return $this->__count;
+    }
+
+    public function separator()
+    {
+        return "";
+    }
+}

app/Model/Attribute.php

@@ -420,6 +420,7 @@ class Attribute extends AppModel
     public $validFormats = array(
         'attack-sightings' => array('json', 'AttackSightingsExport', 'json'),
         'cache' => array('txt', 'CacheExport', 'cache'),
+        'count' => array('txt', 'CountExport', 'txt'),
         'csv' => array('csv', 'CsvExport', 'csv'),
         'hashes' => array('txt', 'HashesExport', 'txt'),
         'json' => array('json', 'JsonExport', 'json'),

app/Model/Event.php

@@ -176,6 +176,7 @@ class Event extends AppModel
         'attack' => array('html', 'AttackExport', 'html'),
         'attack-sightings' => array('json', 'AttackSightingsExport', 'json'),
         'cache' => array('txt', 'CacheExport', 'cache'),
+        'count' => array('txt', 'CountExport', 'txt'),
         'csv' => array('csv', 'CsvExport', 'csv'),
         'hashes' => array('txt', 'HashesExport', 'txt'),
         'json' => array('json', 'JsonExport', 'json'),