From aa19ac70447506b64c78ab38a6a3031f7effa31a Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Thu, 31 Jan 2019 18:57:20 +0100
Subject: Instagram provider added

---
 providers/Facebook.php  |  1 -
 providers/Instagram.php | 67 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 providers/Instagram.php

diff --git a/providers/Facebook.php b/providers/Facebook.php
index 6ef7898..b1a6291 100644
--- a/providers/Facebook.php
+++ b/providers/Facebook.php
@@ -19,7 +19,6 @@ class Facebook extends \Providers\HtmlFeed {
 
     protected function _parseFeedContent($tree) {
         $items = [];
-        $parents = [];
         foreach ($tree->find('div[data-ft]') as $div) {
             $data = json_decode($div->attr()['data-ft'], TRUE);
             if (isset($data['mf_story_key'])) {
diff --git a/providers/Instagram.php b/providers/Instagram.php
new file mode 100644
index 0000000..1fc9c53
--- /dev/null
+++ b/providers/Instagram.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace Providers;
+
+require_once('HtmlFeed.php');
+require_once('Item.php');
+
+class Instagram extends \Providers\HtmlFeed {
+
+    protected function _getCachePath() {
+        return '../cache/instagram.%s';
+    }
+
+    const JS_VAR = 'window._sharedData = ';
+
+    protected function _getFeedUrl($feed) {
+        return sprintf('https://instagram.com/%s', $feed);
+    }
+
+    protected function _parseFeedContent($tree) {
+        $items = [];
+        foreach ($tree->find('script') as $script) {
+            $scriptContent = $script->text();
+            if (strpos($scriptContent, self::JS_VAR) !== FALSE) {
+                $data = json_decode(trim(str_replace(self::JS_VAR, '', $scriptContent), ';'), TRUE);
+                $edges = $data['entry_data']['ProfilePage'][0]['graphql']['user']['edge_owner_to_timeline_media']['edges'];
+                foreach ($edges as $edge) {
+                    $items[] = $edge['node'];
+                }
+            }
+        }
+        return $items;
+    }
+
+    protected function _mapItems($content) {
+        return array_map(
+            function ($obj) {
+                $item = new Item();
+                $item->ID = $obj['id'];
+                $item->Link = sprintf(
+                    'https://instagram.com/p/%s',
+                    $obj['shortcode']
+                );
+                $texts = array_filter(
+                    explode(PHP_EOL, $obj['edge_media_to_caption']['edges'][0]['node']['text']),
+                    function($t) { return $t != '.'; }
+                );
+                $thumbs = $obj['thumbnail_resources'];
+                if (count($thumbs)) {
+                    $texts[] = sprintf('<img src="%s" />', end($obj['thumbnail_resources'])['src']);
+                }
+                $item->Title = $texts[0];
+                $item->Text = implode('<br />', $texts);
+                $item->Time = $obj['taken_at_timestamp'];
+                return $item;
+            },
+            $content
+        );
+    }
+
+    public function title() {
+        return sprintf("%s's instagram posts", $this->_feed);
+    }
+
+}
+
+?>
-- 
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