From 677953067f2bb5502a70f0d004f1ac844b18a128 Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Mon, 16 Jan 2017 22:04:43 +0100
Subject:  * Facebook support

---
 .../src/Facebook/GraphNodes/GraphNode.php          | 185 +++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 lib/facebook-graph-sdk/src/Facebook/GraphNodes/GraphNode.php

(limited to 'lib/facebook-graph-sdk/src/Facebook/GraphNodes/GraphNode.php')

diff --git a/lib/facebook-graph-sdk/src/Facebook/GraphNodes/GraphNode.php b/lib/facebook-graph-sdk/src/Facebook/GraphNodes/GraphNode.php
new file mode 100644
index 0000000..0d2f504
--- /dev/null
+++ b/lib/facebook-graph-sdk/src/Facebook/GraphNodes/GraphNode.php
@@ -0,0 +1,185 @@
+<?php
+/**
+ * Copyright 2014 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\GraphNodes;
+
+/**
+ * Class GraphNode
+ *
+ * @package Facebook
+ */
+class GraphNode extends Collection
+{
+    /**
+     * @var array Maps object key names to Graph object types.
+     */
+    protected static $graphObjectMap = [];
+
+    /**
+     * Init this Graph object.
+     *
+     * @param array $data
+     */
+    public function __construct(array $data = [])
+    {
+        parent::__construct($this->castItems($data));
+    }
+
+    /**
+     * Iterates over an array and detects the types each node
+     * should be cast to and returns all the items as an array.
+     *
+     * @TODO Add auto-casting to AccessToken entities.
+     *
+     * @param array $data The array to iterate over.
+     *
+     * @return array
+     */
+    public function castItems(array $data)
+    {
+        $items = [];
+
+        foreach ($data as $k => $v) {
+            if ($this->shouldCastAsDateTime($k)
+                && (is_numeric($v)
+                    || $k === 'birthday'
+                    || $this->isIso8601DateString($v))
+            ) {
+                $items[$k] = $this->castToDateTime($v);
+            } else {
+                $items[$k] = $v;
+            }
+        }
+
+        return $items;
+    }
+
+    /**
+     * Uncasts any auto-casted datatypes.
+     * Basically the reverse of castItems().
+     *
+     * @return array
+     */
+    public function uncastItems()
+    {
+        $items = $this->asArray();
+
+        return array_map(function ($v) {
+            if ($v instanceof \DateTime) {
+                return $v->format(\DateTime::ISO8601);
+            }
+
+            return $v;
+        }, $items);
+    }
+
+    /**
+     * Get the collection of items as JSON.
+     *
+     * @param int $options
+     *
+     * @return string
+     */
+    public function asJson($options = 0)
+    {
+        return json_encode($this->uncastItems(), $options);
+    }
+
+    /**
+     * Detects an ISO 8601 formatted string.
+     *
+     * @param string $string
+     *
+     * @return boolean
+     *
+     * @see https://developers.facebook.com/docs/graph-api/using-graph-api/#readmodifiers
+     * @see http://www.cl.cam.ac.uk/~mgk25/iso-time.html
+     * @see http://en.wikipedia.org/wiki/ISO_8601
+     */
+    public function isIso8601DateString($string)
+    {
+        // This insane regex was yoinked from here:
+        // http://www.pelagodesign.com/blog/2009/05/20/iso-8601-date-validation-that-doesnt-suck/
+        // ...and I'm all like:
+        // http://thecodinglove.com/post/95378251969/when-code-works-and-i-dont-know-why
+        $crazyInsaneRegexThatSomehowDetectsIso8601 = '/^([\+-]?\d{4}(?!\d{2}\b))'
+            . '((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?'
+            . '|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d'
+            . '|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])'
+            . '((:?)[0-5]\d)?|24\:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d'
+            . '([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/';
+
+        return preg_match($crazyInsaneRegexThatSomehowDetectsIso8601, $string) === 1;
+    }
+
+    /**
+     * Determines if a value from Graph should be cast to DateTime.
+     *
+     * @param string $key
+     *
+     * @return boolean
+     */
+    public function shouldCastAsDateTime($key)
+    {
+        return in_array($key, [
+            'created_time',
+            'updated_time',
+            'start_time',
+            'end_time',
+            'backdated_time',
+            'issued_at',
+            'expires_at',
+            'birthday',
+            'publish_time'
+        ], true);
+    }
+
+    /**
+     * Casts a date value from Graph to DateTime.
+     *
+     * @param int|string $value
+     *
+     * @return \DateTime
+     */
+    public function castToDateTime($value)
+    {
+        if (is_int($value)) {
+            $dt = new \DateTime();
+            $dt->setTimestamp($value);
+        } else {
+            $dt = new \DateTime($value);
+        }
+
+        return $dt;
+    }
+
+    /**
+     * Getter for $graphObjectMap.
+     *
+     * @return array
+     */
+    public static function getObjectMap()
+    {
+        return static::$graphObjectMap;
+    }
+}
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