From fcbc7eadaac9bb5e316aa831dba223e028eab922 Mon Sep 17 00:00:00 2001
From: Angel Fernando Quiroz Campos <angelfqc.18@gmail.com>
Date: Tue, 28 Mar 2017 11:45:21 -0500
Subject: [PATCH] Adding missing ChamiloApi class - refs BT#12212

---
 .../CoreBundle/Component/Utils/ChamiloApi.php | 175 ++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php

diff --git a/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php b/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php
new file mode 100644
index 0000000000..86a014108a
--- /dev/null
+++ b/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php
@@ -0,0 +1,175 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\CoreBundle\Component\Utils;
+
+/**
+ * Class ChamiloApi
+ * @package Chamilo\CoreBundle\Component
+ */
+class ChamiloApi
+{
+    private static $configuration;
+
+    /**
+     * ChamiloApi constructor.
+     * @param $configuration
+     */
+    public function __construct(array $configuration)
+    {
+        self::$configuration = $configuration;
+    }
+
+    /**
+     * @return array
+     */
+    public static function getConfigurationArray()
+    {
+        return self::$configuration;
+    }
+
+    /**
+     * @param string $variable
+     * @return bool|string
+     */
+    public static function getConfigurationValue($variable)
+    {
+        $configuration = self::getConfigurationArray();
+        if (array_key_exists($variable, $configuration)) {
+            return $configuration[$variable];
+        }
+
+        return false;
+    }
+
+
+    /**
+     * Returns an array of resolutions that can be used for the conversion of documents to images
+     * @return array
+     */
+    public static function getDocumentConversionSizes()
+    {
+        return array(
+            '540x405' => '540x405 (3/4)',
+            '640x480' => '640x480 (3/4)',
+            '720x540' => '720x540 (3/4)',
+            '800x600' => '800x600 (3/4)',
+            '1024x576' => '1024x576 (16/9)',
+            '1024x768' => '1000x750 (3/4)',
+            '1280x720' => '1280x720 (16/9)',
+            '1280x860' => '1280x960 (3/4)',
+            '1400x1050' => '1400x1050 (3/4)',
+            '1600x900' => '1600x900 (16/9)',
+        );
+    }
+
+    /**
+     * Get the platform logo path
+     * @return null|string
+     */
+    public static function getWebPlatformLogoPath()
+    {
+        $theme = api_get_visual_theme();
+        $accessUrlId = api_get_current_access_url_id();
+        $customLogoPath = "themes/$theme/images/header-logo-custom$accessUrlId.png";
+
+        if (file_exists(api_get_path(SYS_PUBLIC_PATH) . "css/$customLogoPath")) {
+            return api_get_path(WEB_CSS_PATH) . $customLogoPath;
+        }
+
+        $originalLogoPath = "themes/$theme/images/header-logo.png";
+
+        if (file_exists(api_get_path(SYS_CSS_PATH) . $originalLogoPath)) {
+            return api_get_path(WEB_CSS_PATH) . $originalLogoPath;
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the platform logo.
+     * Return a <img> if the logo image exists. Otherwise return a <h2> with the institution name.
+     * @param array $imageAttributes Optional.
+     * @return string
+     */
+    public static function getPlatformLogo($imageAttributes = [])
+    {
+        $logoPath = self::getWebPlatformLogoPath();
+        $institution = api_get_setting('Institution');
+        $institutionUrl = api_get_setting('InstitutionUrl');
+        $siteName = api_get_setting('siteName');
+
+        if ($logoPath === null) {
+            $headerLogo = \Display::url($siteName, api_get_path(WEB_PATH) . 'index.php');
+
+            if (!empty($institutionUrl) && !empty($institution)) {
+                $headerLogo .= ' - ' . \Display::url($institution, $institutionUrl);
+            }
+
+            $courseInfo = api_get_course_info();
+
+            if (isset($courseInfo['extLink']) && !empty($courseInfo['extLink']['name'])) {
+                $headerLogo .= '<span class="extLinkSeparator"> - </span>';
+
+                if (!empty($courseInfo['extLink']['url'])) {
+                    $headerLogo .= \Display::url(
+                        $courseInfo['extLink']['name'],
+                        $courseInfo['extLink']['url'],
+                        ['class' => 'extLink']
+                    );
+                } else if (!empty($courseInfo['extLink']['url'])) {
+                    $headerLogo .= $courseInfo['extLink']['url'];
+                }
+            }
+
+            return \Display::tag('h2', $headerLogo, ['class' => 'text-left']);
+        }
+
+        $image = \Display::img($logoPath, $institution, $imageAttributes);
+
+        return \Display::url($image, api_get_path(WEB_PATH) . 'index.php');
+    }
+
+    /**
+     * Like strip_tags(), but leaves an additional space and removes only the given tags
+     * @param string $string
+     * @param array $tags Tags to be removed
+     * @return  string The original string without the given tags
+     */
+    public static function stripGivenTags($string, $tags)
+    {
+        foreach ($tags as $tag) {
+            $string2 = preg_replace('#</' . $tag . '[^>]*>#i', ' ', $string);
+            if ($string2 != $string) {
+                $string = preg_replace('/<' . $tag . '[^>]*>/i', ' ', $string2);
+            }
+        }
+        return $string;
+    }
+    /**
+     * Adds or Subtract a time in hh:mm:ss to a datetime
+     * @param string $time Time in hh:mm:ss format
+     * @param string $datetime Datetime as accepted by the Datetime class constructor
+     * @param bool $operation True for Add, False to Subtract
+     * @return string
+     */
+    public static function addOrSubTimeToDateTime($time, $datetime = 'now', $operation = true)
+    {
+        $date = new \DateTime($datetime);
+
+        $hours = $minutes = $seconds = 0;
+
+        sscanf($time, "%d:%d:%d", $hours, $minutes, $seconds);
+
+        $timeSeconds = isset($seconds) ? $hours * 3600 + $minutes * 60 + $seconds : $hours * 60 + $minutes;
+
+        if ($operation) {
+            $date->add(new \DateInterval('PT' . $timeSeconds . 'S'));
+        } else {
+            $date->sub(new \DateInterval('PT' . $timeSeconds . 'S'));
+        }
+
+
+        return $date->format('Y-m-d H:i:s');
+    }
+}