Merge pull request #216 from eversionsystems/master

Fix #20 Get Media Likes
postaddictme · Nov 19, 2017 · b84a101 · b84a101
2 parents 980b1ce + 5c813db
commit b84a101
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diff --git a/src/InstagramScraper/Endpoints.php b/src/InstagramScraper/Endpoints.php
@@ -17,6 +17,7 @@ class Endpoints
     const ACCOUNT_JSON_INFO_BY_ID = 'ig_user({userId}){id,username,external_url,full_name,profile_pic_url,biography,followed_by{count},follows{count},media{count},is_private,is_verified}';
     const COMMENTS_BEFORE_COMMENT_ID_BY_CODE = 'https://www.instagram.com/graphql/query/?query_id=17852405266163336&shortcode={{shortcode}}&first={{count}}&after={{commentId}}';
     const LAST_LIKES_BY_CODE = 'ig_shortcode({{code}}){likes{nodes{id,user{id,profile_pic_url,username,follows{count},followed_by{count},biography,full_name,media{count},is_private,external_url,is_verified}},page_info}}';
+	const LIKES_BY_SHORTCODE =  'https://www.instagram.com/graphql/query/?query_id=17864450716183058&variables={"shortcode":"{{shortcode}}","first":{{count}},"after":"{{likeId}}"}';
     const FOLLOWING_URL = 'https://www.instagram.com/graphql/query/?query_id=17874545323001329&id={{accountId}}&first={{count}}';
     const FOLLOWERS_URL = 'https://www.instagram.com/graphql/query/?query_id=17851374694183129&id={{accountId}}&first={{count}}&after={{after}}';
     const FOLLOW_URL = 'https://www.instagram.com/web/friendships/{{accountId}}/follow/';
@@ -94,6 +95,14 @@ public static function getLastLikesByCodeLink($code)
         $url = str_replace('{{code}}', urlencode($code), static::LAST_LIKES_BY_CODE);
         return $url;
     }
+
+	public static function getLastLikesByCode($code, $count, $lastLikeID) {
+		$url = str_replace('{{shortcode}}', urlencode($code), static::LIKES_BY_SHORTCODE);
+		$url = str_replace('{{count}}', urlencode($count), $url);
+		$url = str_replace('{{likeId}}', urlencode($lastLikeID), $url);
+
+        return $url;
+	}
 
     public static function getGraphQlUrl($queryId, $parameters)
     {

diff --git a/src/InstagramScraper/Instagram.php b/src/InstagramScraper/Instagram.php
@@ -7,6 +7,7 @@
 use InstagramScraper\Exception\InstagramNotFoundException;
 use InstagramScraper\Model\Account;
 use InstagramScraper\Model\Comment;
+use InstagramScraper\Model\Like;
 use InstagramScraper\Model\Location;
 use InstagramScraper\Model\Media;
 use InstagramScraper\Model\Tag;
@@ -18,6 +19,7 @@ class Instagram
     const HTTP_NOT_FOUND = 404;
     const HTTP_OK = 200;
     const MAX_COMMENTS_PER_REQUEST = 300;
+	const MAX_LIKES_PER_REQUEST = 300;
 
     private static $instanceCache;
     private $sessionUsername;
@@ -387,6 +389,63 @@ public function getMediaCommentsByCode($code, $count = 10, $maxId = null)
         }
         return $comments;
     }
+
+	/**
+     * @param      $code
+     * @param int  $count
+     * @param null $maxId
+     *
+     * @return array
+     * @throws InstagramException
+     */
+    public function getMediaLikesByCode($code, $count = 10, $maxId = null)
+    {
+        $remain = $count;
+        $likes = [];
+        $index = 0;
+        $hasPrevious = true;
+        while ($hasPrevious && $index < $count) {
+            if ($remain > self::MAX_LIKES_PER_REQUEST) {
+                $numberOfLikesToRetreive = self::MAX_LIKES_PER_REQUEST;
+                $remain -= self::MAX_LIKES_PER_REQUEST;
+                $index += self::MAX_LIKES_PER_REQUEST;
+            } else {
+                $numberOfLikesToRetreive = $remain;
+                $index += $remain;
+                $remain = 0;
+            }
+            if (!isset($maxId)) {
+                $maxId = '';
+
+            }
+            $commentsUrl = Endpoints::getLastLikesByCode($code, $numberOfLikesToRetreive, $maxId);
+            $response = Request::get($commentsUrl, $this->generateHeaders($this->userSession));
+            if ($response->code !== 200) {
+                throw new InstagramException('Response code is ' . $response->code . '. Body: ' . $response->body . ' Something went wrong. Please report issue.');
+            }
+            $cookies = self::parseCookies($response->headers['Set-Cookie']);
+            $this->userSession['csrftoken'] = $cookies['csrftoken'];
+            $jsonResponse = json_decode($response->raw_body, true);
+
+			$nodes = $jsonResponse['data']['shortcode_media']['edge_liked_by']['edges'];
+
+            foreach ($nodes as $likesArray) {
+                $likes[] = Like::create($likesArray['node']);
+            }
+
+            $hasPrevious = $jsonResponse['data']['shortcode_media']['edge_liked_by']['page_info']['has_next_page'];
+            $numberOfLikes = $jsonResponse['data']['shortcode_media']['edge_liked_by']['count'];
+            if ($count > $numberOfLikes) {
+                $count = $numberOfLikes;
+            }
+            if (sizeof($nodes) == 0) {
+                return $likes;
+            }
+            $maxId = $jsonResponse['data']['shortcode_media']['edge_liked_by']['page_info']['end_cursor'];
+        }
+
+		return $likes;
+    }
 
     /**
      * @param string $rawCookies

diff --git a/src/InstagramScraper/Model/Like.php b/src/InstagramScraper/Model/Like.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace InstagramScraper\Model;
+
+
+class Like extends AbstractModel
+{
+    /**
+     * @var
+     */
+    protected $id;
+
+    /**
+     * @var Account
+     */
+    protected $username;
+
+    /**
+     * @return mixed
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+	/**
+     * @return mixed
+     */
+    public function getUserName()
+    {
+        return $this->username;
+    }
+
+    /**
+     * @param $value
+     * @param $prop
+     */
+    protected function initPropertiesCustom($value, $prop)
+    {
+        switch ($prop) {
+            case 'id':
+                $this->id = $value;
+                break;
+            case 'username':
+                $this->username = $value;
+                break;
+        }
+    }
+
+}