Merge pull request #11413 from annando/vote-preparation

[friendica.git] / src / Protocol / ActivityPub / Receiver.php

diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php
index 6797330442ab5b91bf1dc50e2b07dda97c7ac672..6cd0111ec0f59e2d3df5a1d1f6064c9db86cf33e 100644 (file)
--- a/src/Protocol/ActivityPub/Receiver.php
+++ b/src/Protocol/ActivityPub/Receiver.php
@@ -556,6 +556,9 @@ class Receiver
                switch ($type) {
                        case 'as:Create':
                                if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
+                                       if ($object_data['object_type'] == 'as:Question') {
+                                               self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+                                       }
                                        $item = ActivityPub\Processor::createItem($object_data);
                                        ActivityPub\Processor::postItem($object_data, $item);
                                } elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
@@ -1436,6 +1439,59 @@ class Receiver
                return $attachlist;
        }
 
+       /**
+        * Convert questions from JSON-LD format into a simplified format
+        *
+        * @param array $object
+        *
+        * @return array Questions in a simplified format
+        */
+       private static function processQuestion(array $object)
+       {
+               $question = [];
+
+               if (!empty($object['as:oneOf'])) {
+                       $question['multiple'] = false;
+                       $options = JsonLD::fetchElementArray($object, 'as:oneOf') ?? [];
+               } elseif (!empty($object['as:anyOf'])) {
+                       $question['multiple'] = true;
+                       $options = JsonLD::fetchElementArray($object, 'as:anyOf') ?? [];
+               } else {
+                       return [];
+               }
+
+               // @todo Check if "closed" is a thing, see here: https://www.w3.org/TR/activitystreams-vocabulary/#dfn-closed
+               $question['voters']  = (int)JsonLD::fetchElement($object, 'toot:votersCount', '@value');
+               $question['options'] = [];
+
+               $voters = 0;
+
+               foreach ($options as $option) {
+                       if (JsonLD::fetchElement($option, '@type') != 'as:Note') {
+                               continue;
+                       }
+
+                       $name = JsonLD::fetchElement($option, 'as:name', '@value');
+
+                       if (empty($option['as:replies'])) {
+                               continue;
+                       }
+
+                       $replies = JsonLD::fetchElement($option['as:replies'], 'as:totalItems', '@value');
+
+                       $question['options'][] = ['name' => $name, 'replies' => $replies];
+
+                       $voters += (int)$replies;
+               }
+
+               // For single choice question we can count the number of voters if not provided (like with Misskey)
+               if (empty($question['voters']) && !$question['multiple']) {
+                       $question['voters'] = $voters;
+               }
+
+               return $question;
+       }
+
        /**
         * Fetch the original source or content with the "language" Markdown or HTML
         *
@@ -1687,6 +1743,10 @@ class Receiver
                        $object_data['alternate-url'] = null;
                }
 
+               if ($object_data['object_type'] == 'as:Question') {
+                       $object_data['question'] = self::processQuestion($object);
+               }
+
                $receiverdata = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
                $receivers = $reception_types = [];
                foreach ($receiverdata as $key => $data) {