Allow send OpenBadges to backpack - refs BT#9082

main/badge/assertion.php

@@ -0,0 +1,49 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Show information about a new assertion
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @package chamilo.badge
+ */
+header('Content-Type: application/json');
+
+require_once '../inc/global.inc.php';
+
+$userId = isset($_GET['user']) ? intval($_GET['user']) : 0;
+$skillId = isset($_GET['skill']) ? intval($_GET['skill']) : 0;
+
+if ($userId === 0 || $skillId === 0) {
+    exit;
+}
+
+$objSkill = new Skill();
+
+if (!$objSkill->user_has_skill($userId, $skillId)) {
+    exit;
+}
+
+$objSkillRelUser = new SkillRelUser();
+$userSkill = $objSkillRelUser->getByUserAndSkill($userId, $skillId);
+
+if ($userSkill == false) {
+    exit;
+}
+
+$user = api_get_user_info($userSkill['user_id']);
+
+$json = array(
+    'uid' => $userSkill['id'],
+    'recipient' => array(
+        'type' => 'email',
+        'hashed' => false,
+        'identity' => $user['email']
+    ),
+    'issuedOn' => strtotime($userSkill['acquired_skill_at']),
+    'badge' => api_get_path(WEB_CODE_PATH) . "badge/class.php?id=$skillId",
+    'verify' => array(
+        'type' => 'hosted',
+        'url' => api_get_path(WEB_CODE_PATH) . "badge/assertion.php?user=$userId&skill=$skillId"
+    )
+);
+
+echo json_encode($json);

main/badge/class.php

@@ -0,0 +1,25 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Show information about the OpenBadge class
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @package chamilo.badge
+ */
+header('Content-Type: application/json');
+
+require_once '../inc/global.inc.php';
+
+$skillId = isset($_GET['id']) ? intval($_GET['id']) : 0;
+
+$objSkill = new Skill();
+$skill = $objSkill->get($skillId);
+
+$json = array(
+    'name' => $skill['name'],
+    'description' => $skill['description'],
+    'image' => api_get_path(WEB_CODE_PATH) . $skill['icon'],
+    'criteria' => api_get_path(WEB_CODE_PATH) . "badge/criteria.php?id=$skillId",
+    'issuer' => api_get_path(WEB_CODE_PATH) . "badge/issuer.php",
+);
+
+echo json_encode($json);

main/badge/criteria.php

@@ -0,0 +1,17 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Show information about OpenBadge citeria
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @package chamilo.badge
+ */
+header('Content-Type: text/plain');
+
+require_once '../inc/global.inc.php';
+
+$skillId = isset($_GET['id']) ? intval($_GET['id']) : 0;
+
+$objSkill = new Skill();
+$skill = $objSkill->get($skillId);
+
+echo $skill['criteria'];

main/badge/issuer.php

@@ -0,0 +1,17 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Show information about the OpenBadge issuer
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @package chamilo.badge
+ */
+require_once '../inc/global.inc.php';
+
+header('Content-Type: application/json');
+
+$json = array(
+    'name' => api_get_setting('Institution'),
+    'url' => api_get_path(WEB_PATH)
+);
+
+echo json_encode($json);

main/gradebook/get_badges.php

@@ -0,0 +1,48 @@
+<?php
+/* For licensing terms, see /license.txt */
+/**
+ * Show the achieved badges by an user
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @package chamilo.badge
+ */
+$cidReset = true;
+
+require_once '../inc/global.inc.php';
+
+$userId = isset($_GET['user']) ? intval($_GET['user']) : 0;
+
+if ($userId === 0) {
+    exit;
+}
+
+$objSkillRelUser = new SkillRelUser();
+$userSkills = $objSkillRelUser->get_user_skills($userId);
+
+if (empty($userSkills)) {
+    exit;
+}
+
+$assertions = array();
+
+foreach ($userSkills as $skill) {
+    $skillId = current($skill);
+
+    $assertions[] = api_get_path(WEB_CODE_PATH) . "badge/assertion.php?user=$userId&skill=$skillId";
+}
+
+$backpack = 'https://backpack.openbadges.org/';
+
+if (array_key_exists('openbadges_backpack', $_configuration)) {
+    $backpack = $_configuration['openbadges_backpack'];
+}
+
+$htmlHeadXtra[] = '<script src="' . $backpack . 'issuer.js"></script>';
+
+$tpl = new Template(get_lang('Badges'), false, false);
+
+$tpl->assign(
+    'content',
+    "<script>OpenBadges.issue_no_modal(" . json_encode($assertions) . ");</script>"
+);
+
+$tpl->display_one_col_template();

main/gradebook/lib/be/category.class.php

@@ -1638,6 +1638,14 @@ class Category implements GradebookItem
                             'class' => 'btn'
                         )
                     );
+                    $badges = Display::url(
+                        get_lang('DownloadBadges'),
+                        api_get_path(WEB_CODE_PATH) . "gradebook/get_badges.php?user=$user_id",
+                        array(
+                            'target' => '_blank',
+                            'class' => 'btn'
+                        )
+                    );
                     $exportToPDF = Display::url(
                         Display::return_icon(
                             'pdf.png',
@@ -1648,6 +1656,7 @@ class Category implements GradebookItem
                         "$url&action=export"
                     );
                     $html = array(
+                        'badge_link' => $badges,
                         'certificate_link' => $certificates,
                         'pdf_link' => $exportToPDF
                     );

main/gradebook/lib/fe/displaygradebook.php

@@ -451,11 +451,14 @@ class DisplayGradebook
             $total_score = array($item_value_total, $item_total);
             $scorecourse_display = $scoredisplay->display_score($total_score, SCORE_DIV_PERCENT);
             if ((!$catobj->get_id() == '0') && (!isset($_GET['studentoverview'])) && (!isset($_GET['search']))) {
-                $certificateLink = null;
+                $aditionalButtons = null;
-                if (!empty($certificateLinkInfo) && isset($certificateLinkInfo['certificate_link'])) {
+                if (!empty($certificateLinkInfo)) {
-                    $certificateLink .= '<span style="float:right"> ' . $certificateLinkInfo['certificate_link']."</span>";
+                    $aditionalButtons = '<div class="btn-group pull-right">';
-                }
+                    $aditionalButtons .= isset($certificateLinkInfo['certificate_link']) ? $certificateLinkInfo['certificate_link'] : '';
-                $scoreinfo .= '<h4>' . get_lang('Total') . ' : ' . $scorecourse_display . $certificateLink. '</h4>';
+                    $aditionalButtons .= isset($certificateLinkInfo['badge_link']) ? $certificateLinkInfo['badge_link'] : '';
+                    $aditionalButtons .= '</div>';
+                }
+                $scoreinfo .= '<h4>' . get_lang('Total') . ' : ' . $scorecourse_display . $aditionalButtons. '</h4>';
 
             }
             Display :: display_normal_message($scoreinfo, false);

main/inc/lib/skill.lib.php

@@ -371,6 +371,24 @@ class SkillRelUser extends Model
         );
         return $result;
     }
+
+    /**
+     * Get the relation data between user and skill
+     * @param int $userId The user id
+     * @param int $skillId The skill id
+     * @return array The relation data. Otherwise return false
+     */
+    public function getByUserAndSkill($userId, $skillId)
+    {
+        $where = array(
+            'user_id = ? AND skill_id = ?' => array($userId, $skillId)
+        );
+
+        return Database::select('*', $this->table, array(
+            'where' => $where
+        ), 'first');
+    }
+
 }
 
 

main/install/configuration.dist.php

@@ -278,3 +278,5 @@ $_configuration['system_stable']     = NEW_VERSION_STABLE;
 //$_configuration['exercise_max_fckeditors_in_page'] = 0;
 // Default upload option
 //$_configuration['document_if_file_exists_option'] = 'rename'; // overwrite
+// Which OpenBadges backpack send the badges
+//$_configuration['openbadges_backpack'] = 'https://backpack.openbadges.org/';