From 1e4fc681f09b2074cf0307a2f7b30910976a8711 Mon Sep 17 00:00:00 2001
From: Steve Binkowski <binkowsk@nysenate.gov>
Date: Fri, 7 Jan 2022 15:28:48 -0500
Subject: [PATCH] Add access to pagination from last response

---
 disqusapi/disqusapi.php | 104 +++++++++++++++++++++++++---------------
 1 file changed, 65 insertions(+), 39 deletions(-)

diff --git a/disqusapi/disqusapi.php b/disqusapi/disqusapi.php
index 00ff7eb..d2ff352 100644
--- a/disqusapi/disqusapi.php
+++ b/disqusapi/disqusapi.php
@@ -4,11 +4,11 @@
  *
  * http://disqus.com/api/
  *
- * @author		DISQUS <team@disqus.com>
- * @copyright	2007-2010 Big Head Labs
- * @link		http://disqus.com/
- * @package		disqusapi
- * @version		0.1.1
+ * @author    DISQUS <team@disqus.com>
+ * @copyright  2007-2010 Big Head Labs
+ * @link    http://disqus.com/
+ * @package    disqusapi
+ * @version    0.1.1
  *
  * $disqus = new DisqusAPI($secret_key)
  * $disqus->trends->listThreads()
@@ -23,23 +23,27 @@
 require_once(dirname(__FILE__) . '/url.php');
 
 if (!extension_loaded('json')) {
-	require_once(dirname(__FILE__) . '/json.php');
-	function dsq_json_decode($data) {
-		$json = new JSON;
-		return $json->unserialize($data);
-	}
+    require_once(dirname(__FILE__) . '/json.php');
+    function dsq_json_decode($data) {
+        $json = new JSON;
+        return $json->unserialize($data);
+    }
 } else {
-	function dsq_json_decode($data) {
-		return json_decode($data);
-	}
+    function dsq_json_decode($data) {
+        return json_decode($data);
+    }
 }
 
 global $DISQUS_API_INTERFACES;
 
 $DISQUS_API_INTERFACES = dsq_json_decode(file_get_contents(dirname(__FILE__) . '/interfaces.json'));
 
-class DisqusInterfaceNotDefined extends Exception {}
+class DisqusInterfaceNotDefined extends Exception {
+
+}
+
 class DisqusAPIError extends Exception {
+
     public function __construct($code, $message) {
         $this->code = $code;
         $this->message = $message;
@@ -47,7 +51,11 @@ public function __construct($code, $message) {
 }
 
 class DisqusResource {
-    public function __construct($api, $interface=null, $node=null, $tree=array()) {
+
+    // For access to cursor information from the last call.
+    public $cursor = NULL;
+
+    public function __construct($api, $interface = NULL, $node = NULL, $tree = []) {
         global $DISQUS_API_INTERFACES;
 
         if (!$interface) {
@@ -62,14 +70,6 @@ public function __construct($api, $interface=null, $node=null, $tree=array()) {
         $this->tree = $tree;
     }
 
-    public function __get($attr) {
-        $interface = $this->interface->$attr;
-        if (!$interface) {
-            throw new DisqusInterfaceNotDefined();
-        }
-        return new DisqusResource($this->api, $interface, $attr, $this->tree);
-    }
-
     public function __call($name, $args) {
         $resource = $this->interface->$name;
         if (!$resource) {
@@ -79,7 +79,7 @@ public function __call($name, $args) {
 
         foreach ((array)$resource->required as $k) {
             if (empty($kwargs[$k])) {
-                throw new Exception('Missing required argument: '.$k);
+                throw new Exception('Missing required argument: ' . $k);
             }
         }
 
@@ -94,38 +94,48 @@ public function __call($name, $args) {
         $format = (!empty($kwargs['format']) ? $kwargs['format'] : $api->format);
         unset($kwargs['version'], $kwargs['format']);
 
-        $url = 'https://'.DISQUS_API_HOST;
-        $path = '/api/'.$version.'/'.implode('/', $this->tree).'/'.$name.'.'.$format;
+        $url = 'https://' . DISQUS_API_HOST;
+        $path = '/api/' . $version . '/' . implode('/', $this->tree) . '/' . $name . '.' . $format;
 
         if (!empty($kwargs)) {
             if ($resource->method == 'POST') {
                 $post_data = $kwargs;
             } else {
-                $post_data = false;
-                $path .= '?'.dsq_get_query_string($kwargs);
+                $post_data = FALSE;
+                $path .= '?' . dsq_get_query_string($kwargs);
             }
         }
 
 
-        $response = dsq_urlopen($url.$path, $post_data);
-
+        $response = dsq_urlopen($url . $path, $post_data);
         $data = call_user_func($api->formats[$format], $response['data']);
 
         if ($response['code'] != 200) {
             throw new DisqusAPIError($data->code, $data->response);
         }
 
+        DisqusAPICursor::setCursor(isset($data->cursor) ? $data->cursor : NULL);
+
         return $data->response;
     }
+
+    public function __get($attr) {
+        $interface = $this->interface->$attr;
+        if (!$interface) {
+            throw new DisqusInterfaceNotDefined();
+        }
+        return new DisqusResource($this->api, $interface, $attr, $this->tree);
+    }
 }
 
 
 class DisqusAPI extends DisqusResource {
-    public $formats = array(
-        'json' => 'dsq_json_decode'
-    );
 
-    public function __construct($key=null, $format='json', $version='3.0') {
+    public $formats = [
+        'json' => 'dsq_json_decode',
+    ];
+
+    public function __construct($key = NULL, $format = 'json', $version = '3.0') {
         $this->key = $key;
         $this->format = $format;
         $this->version = $version;
@@ -136,15 +146,31 @@ public function __invoke() {
         throw new Exception('You cannot call the API without a resource.');
     }
 
-    public function setKey($key) {
-        $this->key = $key;
-    }
-
     public function setFormat($format) {
         $this->format = $format;
     }
 
+    public function setKey($key) {
+        $this->key = $key;
+    }
+
     public function setVersion($version) {
         $this->version = $version;
     }
-}
\ No newline at end of file
+}
+
+class DisqusAPICursor {
+
+    private static $cursor = NULL;
+
+    private function __construct() {
+    }
+
+    public static function getCursor() {
+        return static::$cursor;
+    }
+
+    public static function setCursor($cursor) {
+        static::$cursor = $cursor;
+    }
+}