upgrade

main/badge/assertion.php

@@ -0,0 +1,61 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Show information about a new assertion.
+ *
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$userId = isset($_GET['user']) ? (int) $_GET['user'] : 0;
+$skillId = isset($_GET['skill']) ? (int) $_GET['skill'] : 0;
+$courseId = isset($_GET['course']) ? (int) $_GET['course'] : 0;
+$sessionId = isset($_GET['session']) ? (int) $_GET['session'] : 0;
+
+if (0 === $userId || 0 === $skillId) {
+    exit;
+}
+
+$objSkill = new Skill();
+if (!$objSkill->userHasSkill($userId, $skillId, $courseId, $sessionId)) {
+    exit;
+}
+
+$objSkillRelUser = new SkillRelUser();
+$userSkill = $objSkillRelUser->getByUserAndSkill(
+    $userId,
+    $skillId,
+    $courseId,
+    $sessionId
+);
+
+if (false == $userSkill) {
+    exit;
+}
+
+$user = api_get_user_info($userSkill['user_id']);
+
+$json = [
+    'uid' => $userSkill['id'],
+    'recipient' => [
+        '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' => [
+        'type' => 'hosted',
+        'url' => api_get_path(WEB_CODE_PATH)."badge/assertion.php?".http_build_query([
+            'user' => $userId,
+            'skill' => $skillId,
+            'course' => $courseId,
+            'session' => $sessionId,
+        ]),
+    ],
+];
+
+header('Content-Type: application/json');
+
+echo json_encode($json);

main/badge/assign.php

@@ -0,0 +1,432 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CoreBundle\Entity\Skill;
+use Skill as SkillManager;
+
+/**
+ * Page for assign skills to a user.
+ *
+ * @author: Jose Loguercio <jose.loguercio@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$userId = isset($_REQUEST['user']) ? (int) $_REQUEST['user'] : 0;
+
+if (empty($userId)) {
+    api_not_allowed(true);
+}
+
+SkillManager::isAllowed($userId);
+
+$user = api_get_user_entity($userId);
+
+if (!$user) {
+    api_not_allowed(true);
+}
+
+$entityManager = Database::getManager();
+$skillManager = new SkillManager();
+$skillRepo = $entityManager->getRepository('ChamiloCoreBundle:Skill');
+$skillRelSkill = $entityManager->getRepository('ChamiloCoreBundle:SkillRelSkill');
+$skillLevelRepo = $entityManager->getRepository('ChamiloSkillBundle:Level');
+$skillUserRepo = $entityManager->getRepository('ChamiloCoreBundle:SkillRelUser');
+
+$skillLevels = api_get_configuration_value('skill_levels_names');
+
+$skillsOptions = ['' => get_lang('Select')];
+$acquiredLevel = ['' => get_lang('None')];
+$formDefaultValues = [];
+
+if (empty($skillLevels)) {
+    $skills = $skillRepo->findBy([
+        'status' => Skill::STATUS_ENABLED,
+    ]);
+    /** @var Skill $skill */
+    foreach ($skills as $skill) {
+        $skillsOptions[$skill->getId()] = $skill->getName();
+    }
+} else {
+    // Get only root elements
+    $skills = $skillManager->getChildren(1);
+    foreach ($skills as $skill) {
+        $skillsOptions[$skill['data']['id']] = $skill['data']['name'];
+    }
+}
+$skillIdFromGet = isset($_REQUEST['id']) ? (int) $_REQUEST['id'] : 0;
+$currentValue = isset($_REQUEST['current_value']) ? (int) $_REQUEST['current_value'] : 0;
+$currentLevel = isset($_REQUEST['current']) ? (int) str_replace('sub_skill_id_', '', $_REQUEST['current']) : 0;
+
+$subSkillList = isset($_REQUEST['sub_skill_list']) ? explode(',', $_REQUEST['sub_skill_list']) : [];
+$subSkillList = array_unique($subSkillList);
+
+if (!empty($subSkillList)) {
+    // Compare asked skill with current level
+    $correctLevel = false;
+    if (isset($subSkillList[$currentLevel]) && $subSkillList[$currentLevel] == $currentValue) {
+        $correctLevel = true;
+    }
+
+    // Level is wrong probably user change the level. Fix the subSkillList array
+    if (!$correctLevel) {
+        $newSubSkillList = [];
+        $counter = 0;
+        foreach ($subSkillList as $subSkillId) {
+            if ($counter == $currentLevel) {
+                $subSkillId = $currentValue;
+            }
+            $newSubSkillList[$counter] = $subSkillId;
+            if ($counter == $currentLevel) {
+                break;
+            }
+            $counter++;
+        }
+        $subSkillList = $newSubSkillList;
+    }
+}
+
+if (!empty($currentLevel)) {
+    $level = $currentLevel + 1;
+    if ($level < count($subSkillList)) {
+        $remove = count($subSkillList) - $currentLevel;
+        $newSubSkillList = array_slice($subSkillList, 0, count($subSkillList) - $level);
+        $subSkillList = $newSubSkillList;
+    }
+}
+
+$skillId = isset($_REQUEST['id']) ? (int) $_REQUEST['id'] : key($skillsOptions);
+$skill = $skillRepo->find($skillId);
+$profile = false;
+if ($skill) {
+    $profile = $skill->getProfile();
+}
+
+if (!empty($subSkillList)) {
+    $skillFromLastSkill = $skillRepo->find(end($subSkillList));
+    if ($skillFromLastSkill) {
+        $profile = $skillFromLastSkill->getProfile();
+    }
+}
+
+if (!$profile) {
+    $skillRelSkill = new SkillRelSkill();
+    $parents = $skillRelSkill->getSkillParents($skillId);
+    krsort($parents);
+    foreach ($parents as $parent) {
+        $skillParentId = $parent['skill_id'];
+        $profile = $skillRepo->find($skillParentId)->getProfile();
+
+        if ($profile) {
+            break;
+        }
+
+        if (!$profile && $parent['parent_id'] == 0) {
+            $profile = $skillLevelRepo->findAll();
+            $profile = isset($profile[0]) ? $profile[0] : false;
+        }
+    }
+}
+
+if ($profile) {
+    $profileId = $profile->getId();
+    $levels = $skillLevelRepo->findBy([
+        'profile' => $profileId,
+    ]);
+    $profileLevels = [];
+    foreach ($levels as $level) {
+        $profileLevels[$level->getPosition()][$level->getId()] = $level->getName();
+    }
+
+    ksort($profileLevels); // Sort the array by Position.
+
+    foreach ($profileLevels as $profileLevel) {
+        $profileId = key($profileLevel);
+        $acquiredLevel[$profileId] = $profileLevel[$profileId];
+    }
+}
+
+$formDefaultValues = ['skill' => $skillId];
+$newSubSkillList = [];
+$disableList = [];
+
+$currentUrl = api_get_self().'?user='.$userId.'&current='.$currentLevel;
+
+$form = new FormValidator('assign_skill', 'POST', $currentUrl);
+$form->addHeader(get_lang('AssignSkill'));
+$form->addText('user_name', get_lang('UserName'), false);
+
+$levelName = get_lang('Skill');
+if (!empty($skillLevels)) {
+    if (isset($skillLevels['levels'][1])) {
+        $levelName = get_lang($skillLevels['levels'][1]);
+    }
+}
+
+$form->addSelect('skill', $levelName, $skillsOptions, ['id' => 'skill']);
+
+if (!empty($skillIdFromGet)) {
+    if (empty($subSkillList)) {
+        $subSkillList[] = $skillIdFromGet;
+    }
+    $oldSkill = $skillRepo->find($skillIdFromGet);
+    $counter = 0;
+    foreach ($subSkillList as $subSkillId) {
+        $children = $skillManager->getChildren($subSkillId);
+
+        if (isset($subSkillList[$counter - 1])) {
+            $oldSkill = $skillRepo->find($subSkillList[$counter]);
+        }
+        $skillsOptions = [];
+        if ($oldSkill) {
+            $skillsOptions = [$oldSkill->getId() => ' -- '.$oldSkill->getName()];
+        }
+
+        if ($counter < count($subSkillList) - 1) {
+            $disableList[] = 'sub_skill_id_'.($counter + 1);
+        }
+
+        foreach ($children as $child) {
+            $skillsOptions[$child['id']] = $child['data']['name'];
+        }
+
+        $levelName = get_lang('SubSkill');
+        if (!empty($skillLevels)) {
+            if (isset($skillLevels['levels'][$counter + 2])) {
+                $levelName = get_lang($skillLevels['levels'][$counter + 2]);
+            }
+        }
+
+        $form->addSelect(
+            'sub_skill_id_'.($counter + 1),
+            $levelName,
+            $skillsOptions,
+            [
+                'id' => 'sub_skill_id_'.($counter + 1),
+                'class' => 'sub_skill',
+            ]
+        );
+
+        if (isset($subSkillList[$counter + 1])) {
+            $nextSkill = $skillRepo->find($subSkillList[$counter + 1]);
+            if ($nextSkill) {
+                $formDefaultValues['sub_skill_id_'.($counter + 1)] = $nextSkill->getId();
+            }
+        }
+        $newSubSkillList[] = $subSkillId;
+        $counter++;
+    }
+    $subSkillList = $newSubSkillList;
+}
+
+$subSkillListToString = implode(',', $subSkillList);
+
+$currentUrl = api_get_self().'?user='.$userId.'&current='.$currentLevel.'&sub_skill_list='.$subSkillListToString;
+
+$form->addHidden('sub_skill_list', $subSkillListToString);
+$form->addHidden('user', $user->getId());
+$form->addHidden('id', $skillId);
+$form->addRule('skill', get_lang('ThisFieldIsRequired'), 'required');
+
+$showLevels = api_get_configuration_value('hide_skill_levels') === false;
+
+if ($showLevels) {
+    $form->addSelect('acquired_level', get_lang('AcquiredLevel'), $acquiredLevel);
+    //$form->addRule('acquired_level', get_lang('ThisFieldIsRequired'), 'required');
+}
+
+$form->addTextarea('argumentation', get_lang('Argumentation'), ['rows' => 6]);
+$form->addRule('argumentation', get_lang('ThisFieldIsRequired'), 'required');
+$form->addRule(
+    'argumentation',
+    sprintf(get_lang('ThisTextShouldBeAtLeastXCharsLong'), 10),
+    'mintext',
+    10
+);
+$form->applyFilter('argumentation', 'trim');
+$form->addButtonSave(get_lang('Save'));
+$form->setDefaults($formDefaultValues);
+
+if ($form->validate()) {
+    $values = $form->exportValues();
+    $skillToProcess = $values['id'];
+    if (!empty($subSkillList)) {
+        $counter = 1;
+        foreach ($subSkillList as $subSkill) {
+            if (isset($values["sub_skill_id_$counter"])) {
+                $skillToProcess = $values["sub_skill_id_$counter"];
+            }
+            $counter++;
+        }
+    }
+    $skill = $skillRepo->find($skillToProcess);
+
+    if (!$skill) {
+        Display::addFlash(
+            Display::return_message(get_lang('SkillNotFound'), 'error')
+        );
+
+        header('Location: '.api_get_self().'?'.$currentUrl);
+        exit;
+    }
+
+    if ($user->hasSkill($skill)) {
+        Display::addFlash(
+            Display::return_message(
+                sprintf(
+                    get_lang('TheUserXHasAlreadyAchievedTheSkillY'),
+                    UserManager::formatUserFullName($user),
+                    $skill->getName()
+                ),
+                'warning'
+            )
+        );
+
+        header('Location: '.$currentUrl);
+        exit;
+    }
+
+    $skillUser = $skillManager->addSkillToUserBadge(
+        $user,
+        $skill,
+        $values['acquired_level'],
+        $values['argumentation'],
+        api_get_user_id()
+    );
+
+    // Send email depending of children_auto_threshold
+    $skillRelSkill = new SkillRelSkill();
+    $skillModel = new \Skill();
+    $parents = $skillModel->getDirectParents($skillToProcess);
+
+    $extraFieldValue = new ExtraFieldValue('skill');
+    foreach ($parents as $parentInfo) {
+        $parentId = $parentInfo['skill_id'];
+        $parentData = $skillModel->get($parentId);
+
+        $data = $extraFieldValue->get_values_by_handler_and_field_variable($parentId, 'children_auto_threshold');
+        if (!empty($data) && !empty($data['value'])) {
+            // Search X children
+            $requiredSkills = $data['value'];
+            $children = $skillRelSkill->getChildren($parentId);
+            $counter = 0;
+            foreach ($children as $child) {
+                if ($skillModel->userHasSkill($userId, $child['id'])) {
+                    $counter++;
+                }
+            }
+
+            if ($counter >= $requiredSkills) {
+                $bossList = UserManager::getStudentBossList($userId);
+                if (!empty($bossList)) {
+                    Display::addFlash(Display::return_message(get_lang('MessageSent')));
+                    $url = api_get_path(WEB_CODE_PATH).'badge/assign.php?user='.$userId.'&id='.$parentId;
+                    $link = Display::url($url, $url);
+                    $subject = get_lang('StudentHadEnoughSkills');
+                    $message = sprintf(
+                        get_lang('StudentXHadEnoughSkillsToGetSkillXToAssignClickHereX'),
+                        UserManager::formatUserFullName($user),
+                        $parentData['name'],
+                        $link
+                    );
+                    foreach ($bossList as $boss) {
+                        MessageManager::send_message_simple(
+                            $boss['boss_id'],
+                            $subject,
+                            $message
+                        );
+                    }
+                }
+                break;
+            }
+        }
+    }
+
+    Display::addFlash(
+        Display::return_message(
+            sprintf(
+                get_lang('SkillXAssignedToUserY'),
+                $skill->getName(),
+                UserManager::formatUserFullName($user)
+            ),
+            'success'
+        )
+    );
+
+    Display::addFlash(
+        Display::return_message(
+            sprintf(
+                get_lang('ToAssignNewSkillToUserClickLinkX'),
+                api_get_self().'?'.http_build_query(['user' => $user->getId()])
+            ),
+            'info',
+            false
+        )
+    );
+
+    header('Location: '.api_get_path(WEB_PATH)."badge/{$skillUser->getId()}");
+    exit;
+}
+
+$form->setDefaults(['user_name' => UserManager::formatUserFullName($user, true)]);
+$form->freeze(['user_name']);
+
+if (api_is_drh()) {
+    $interbreadcrumb[] = [
+        'url' => api_get_path(WEB_CODE_PATH).'mySpace/index.php',
+        "name" => get_lang('MySpace'),
+    ];
+    if ($user->getStatus() == COURSEMANAGER) {
+        $interbreadcrumb[] = [
+            "url" => api_get_path(WEB_CODE_PATH).'mySpace/teachers.php',
+            'name' => get_lang('Teachers'),
+        ];
+    } else {
+        $interbreadcrumb[] = [
+            "url" => api_get_path(WEB_CODE_PATH).'mySpace/student.php',
+            'name' => get_lang('MyStudents'),
+        ];
+    }
+    $interbreadcrumb[] = [
+        'url' => api_get_path(WEB_CODE_PATH).'mySpace/myStudents.php?student='.$userId,
+        'name' => UserManager::formatUserFullName($user),
+    ];
+} else {
+    $interbreadcrumb[] = [
+        'url' => api_get_path(WEB_CODE_PATH).'admin/index.php',
+        'name' => get_lang('PlatformAdmin'),
+    ];
+    $interbreadcrumb[] = [
+        'url' => api_get_path(WEB_CODE_PATH).'admin/user_list.php',
+        'name' => get_lang('UserList'),
+    ];
+    $interbreadcrumb[] = [
+        'url' => api_get_path(WEB_CODE_PATH).'admin/user_information.php?user_id='.$userId,
+        'name' => UserManager::formatUserFullName($user),
+    ];
+}
+
+$url = api_get_path(WEB_CODE_PATH).'badge/assign.php?user='.$userId;
+
+$disableSelect = '';
+if ($disableList) {
+    foreach ($disableList as $name) {
+        //$disableSelect .= "$('#".$name."').prop('disabled', true);";
+        //$disableSelect .= "$('#".$name."').selectpicker('refresh');";
+    }
+}
+
+$htmlHeadXtra[] = '<script>
+$(function() {
+    $("#skill").on("change", function() {
+        $(location).attr("href", "'.$url.'&id="+$(this).val());
+    });
+    $(".sub_skill").on("change", function() {
+        $(location).attr("href", "'.$url.'&id='.$skillIdFromGet.'&current_value="+$(this).val()+"&current="+$(this).attr("id")+"&sub_skill_list='.$subSkillListToString.',"+$(this).val());
+    });
+    '.$disableSelect.'
+});
+</script>';
+
+$template = new Template(get_lang('AddSkill'));
+$template->assign('content', $form->returnForm());
+$template->display_one_col_template();

main/badge/class.php

@@ -0,0 +1,28 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Show information about the OpenBadge class.
+ *
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$skillId = isset($_GET['id']) ? (int) $_GET['id'] : 0;
+$objSkill = new Skill();
+$skill = $objSkill->get($skillId);
+$json = [];
+
+if ($skill) {
+    $json = [
+        'name' => $skill['name'],
+        'description' => $skill['description'],
+        'image' => api_get_path(WEB_UPLOAD_PATH)."badges/{$skill['icon']}",
+        'criteria' => api_get_path(WEB_CODE_PATH)."badge/criteria.php?id=$skillId",
+        'issuer' => api_get_path(WEB_CODE_PATH).'badge/issuer.php',
+    ];
+}
+
+header('Content-Type: application/json');
+
+echo json_encode($json);

main/badge/criteria.php

@@ -0,0 +1,47 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Show information about OpenBadge criteria.
+ *
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$skillId = isset($_GET['id']) ? $_GET['id'] : 0;
+
+if (empty($skillId)) {
+    exit;
+}
+
+$entityManager = Database::getManager();
+/** @var \Chamilo\CoreBundle\Entity\Skill $skill */
+$skill = $entityManager->find('ChamiloCoreBundle:Skill', $_GET['id']);
+
+if ($skill) {
+    $skillInfo = [
+        'name' => $skill->getName(),
+        'short_code' => $skill->getShortCode(),
+        'description' => $skill->getDescription(),
+        'criteria' => $skill->getCriteria(),
+        'badge_image' => Skill::getWebIconPath($skill),
+    ];
+
+    $template = new Template();
+    $template->assign('skill_info', $skillInfo);
+
+    $content = $template->fetch(
+        $template->get_template('skill/criteria.tpl')
+    );
+
+    $template->assign('content', $content);
+    $template->display_one_col_template();
+    exit;
+}
+
+Display::addFlash(
+    Display::return_message(get_lang('SkillNotFound'), 'error')
+);
+
+header('Location: '.api_get_path(WEB_PATH));
+exit;

main/badge/issued.php

@@ -0,0 +1,311 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CoreBundle\Entity\SkillRelUser;
+use Chamilo\CoreBundle\Entity\SkillRelUserComment;
+use SkillRelUser as SkillRelUserManager;
+
+/**
+ * Show information about the issued badge.
+ *
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ * @author José Loguercio Silva <jose.loguercio@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$issue = isset($_REQUEST['issue']) ? (int) $_REQUEST['issue'] : 0;
+
+if (empty($issue)) {
+    api_not_allowed(true);
+}
+
+$entityManager = Database::getManager();
+/** @var SkillRelUser $skillIssue */
+$skillIssue = $entityManager->find('ChamiloCoreBundle:SkillRelUser', $issue);
+
+if (!$skillIssue) {
+    Display::addFlash(
+        Display::return_message(
+            get_lang('SkillNotFound'),
+            'warning'
+        )
+    );
+    header('Location: '.api_get_path(WEB_PATH));
+    exit;
+}
+
+$skillRepo = $entityManager->getRepository('ChamiloCoreBundle:Skill');
+$skillLevelRepo = $entityManager->getRepository('ChamiloSkillBundle:Level');
+
+$user = $skillIssue->getUser();
+$skill = $skillIssue->getSkill();
+
+if (!$user || !$skill) {
+    Display::addFlash(
+        Display::return_message(get_lang('NoResults'), 'warning')
+    );
+
+    header('Location: '.api_get_path(WEB_PATH));
+    exit;
+}
+
+if (!Skill::isToolAvailable()) {
+    api_not_allowed(true);
+}
+
+$showLevels = api_get_configuration_value('hide_skill_levels') === false;
+
+$skillInfo = [
+    'id' => $skill->getId(),
+    'name' => $skill->getName(),
+    'short_code' => $skill->getShortCode(),
+    'description' => $skill->getDescription(),
+    'criteria' => $skill->getCriteria(),
+    'badge_image' => Skill::getWebIconPath($skill),
+    'courses' => [],
+];
+
+$titleContent = sprintf(get_lang('IHaveObtainedSkillXOnY'), $skillInfo['name'], api_get_setting('siteName'));
+
+// Open Graph Markup
+$htmlHeadXtra[] = "
+    <meta property='og:type' content='article' />
+    <meta property='og:title' content='".$titleContent."' />
+    <meta property='og:url' content='".api_get_path(WEB_PATH)."badge/".$issue."' />
+    <meta property='og:description' content='".$skillInfo['description']."' />
+    <meta property='og:image' content='".$skillInfo['badge_image']."' />
+";
+
+$currentUserId = api_get_user_id();
+$currentUser = api_get_user_entity($currentUserId);
+$allowExport = $currentUser ? $currentUser->getId() === $user->getId() : false;
+
+$allowComment = $currentUser ? Skill::userCanAddFeedbackToUser($currentUser, $user) : false;
+$skillIssueDate = api_get_local_time($skillIssue->getAcquiredSkillAt());
+$currentSkillLevel = get_lang('NoLevelAcquiredYet');
+if ($skillIssue->getAcquiredLevel()) {
+    $currentSkillLevel = $skillLevelRepo->find(['id' => $skillIssue->getAcquiredLevel()])->getName();
+}
+
+$author = api_get_user_info($skillIssue->getArgumentationAuthorId());
+$tempDate = DateTime::createFromFormat('Y-m-d H:i:s', $skillIssueDate);
+$linkedinOrganizationId = api_get_configuration_value('linkedin_organization_id');
+if (($linkedinOrganizationId === false)) {
+    $linkedinOrganizationId = null;
+}
+
+$skillIssueInfo = [
+    'id' => $skillIssue->getId(),
+    'datetime' => api_format_date($skillIssueDate, DATE_TIME_FORMAT_SHORT),
+    'year' => $tempDate->format('Y'),
+    'month' => $tempDate->format('m'),
+    'linkedin_organization_id' => $linkedinOrganizationId,
+    'acquired_level' => $currentSkillLevel,
+    'argumentation_author_id' => $skillIssue->getArgumentationAuthorId(),
+    'argumentation_author_name' => $author['complete_name'],
+    'argumentation' => $skillIssue->getArgumentation(),
+    'source_name' => $skillIssue->getSourceName(),
+    'user_id' => $skillIssue->getUser()->getId(),
+    'user_complete_name' => UserManager::formatUserFullName($skillIssue->getUser()),
+    'skill_id' => $skillIssue->getSkill()->getId(),
+    'skill_badge_image' => Skill::getWebIconPath($skillIssue->getSkill()),
+    'skill_name' => $skillIssue->getSkill()->getName(),
+    'skill_short_code' => $skillIssue->getSkill()->getShortCode(),
+    'skill_description' => $skillIssue->getSkill()->getDescription(),
+    'skill_criteria' => $skillIssue->getSkill()->getCriteria(),
+    'badge_assertion' => SkillRelUserManager::getAssertionUrl($skillIssue),
+    'comments' => [],
+    'feedback_average' => $skillIssue->getAverage(),
+];
+
+$skillIssueComments = $skillIssue->getComments(true);
+
+$userId = $skillIssueInfo['user_id'];
+$skillId = $skillIssueInfo['skill_id'];
+
+/** @var SkillRelUserComment $comment */
+foreach ($skillIssueComments as $comment) {
+    $commentDate = api_get_local_time($comment->getFeedbackDateTime());
+    $skillIssueInfo['comments'][] = [
+        'text' => $comment->getFeedbackText(),
+        'value' => $comment->getFeedbackValue(),
+        'giver_complete_name' => UserManager::formatUserFullName($comment->getFeedbackGiver()),
+        'datetime' => api_format_date($commentDate, DATE_TIME_FORMAT_SHORT),
+    ];
+}
+
+$acquiredLevel = [];
+$profile = $skillRepo->find($skillId)->getProfile();
+
+if (!$profile) {
+    $skillRelSkill = new SkillRelSkill();
+    $parents = $skillRelSkill->getSkillParents($skillId);
+
+    krsort($parents);
+
+    foreach ($parents as $parent) {
+        $skillParentId = $parent['skill_id'];
+        $profile = $skillRepo->find($skillParentId)->getProfile();
+
+        if ($profile) {
+            break;
+        }
+
+        if (!$profile && $parent['parent_id'] == 0) {
+            $profile = $skillLevelRepo->findAll();
+            if ($profile) {
+                $profile = $profile[0];
+            }
+        }
+    }
+}
+
+if ($profile) {
+    $profileId = $profile->getId();
+    $levels = $skillLevelRepo->findBy([
+        'profile' => $profileId,
+    ]);
+
+    $profileLevels = [];
+    foreach ($levels as $level) {
+        $profileLevels[$level->getPosition()][$level->getId()] = $level->getName();
+    }
+
+    ksort($profileLevels); // Sort the array by Position.
+    foreach ($profileLevels as $profileLevel) {
+        $profileId = key($profileLevel);
+        $acquiredLevel[$profileId] = $profileLevel[$profileId];
+    }
+}
+
+$allowToEdit = Skill::isAllowed($user->getId(), false);
+
+if ($showLevels && $allowToEdit) {
+    $formAcquiredLevel = new FormValidator('acquired_level');
+    $formAcquiredLevel->addSelect('acquired_level', get_lang('AcquiredLevel'), $acquiredLevel);
+    $formAcquiredLevel->addHidden('user', $skillIssue->getUser()->getId());
+    $formAcquiredLevel->addHidden('issue', $skillIssue->getId());
+    $formAcquiredLevel->addButtonSave(get_lang('Save'));
+
+    if ($formAcquiredLevel->validate() && $allowComment) {
+        $values = $formAcquiredLevel->exportValues();
+        $level = $skillLevelRepo->find($values['acquired_level']);
+        $skillIssue->setAcquiredLevel($level);
+
+        $entityManager->persist($skillIssue);
+        $entityManager->flush();
+        Display::addFlash(Display::return_message(get_lang('Saved')));
+
+        header('Location: '.SkillRelUserManager::getIssueUrl($skillIssue));
+        exit;
+    }
+}
+
+$form = new FormValidator('comment');
+$form->addTextarea('comment', get_lang('NewComment'), ['rows' => 4]);
+$form->applyFilter('comment', 'trim');
+$form->addRule('comment', get_lang('ThisFieldIsRequired'), 'required');
+$form->addSelect(
+    'value',
+    [get_lang('Value'), get_lang('RateTheSkillInPractice')],
+    ['-', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+);
+$form->addHidden('user', $skillIssue->getUser()->getId());
+$form->addHidden('issue', $skillIssue->getId());
+$form->addButtonSend(get_lang('Send'));
+
+if ($form->validate() && $allowComment && $allowToEdit) {
+    $values = $form->exportValues();
+    $skillUserComment = new SkillRelUserComment();
+    $skillUserComment
+        ->setFeedbackDateTime(new DateTime())
+        ->setFeedbackGiver($currentUser)
+        ->setFeedbackText($values['comment'])
+        ->setFeedbackValue($values['value'] ? $values['value'] : null)
+        ->setSkillRelUser($skillIssue)
+    ;
+
+    $entityManager->persist($skillUserComment);
+    $entityManager->flush();
+    Display::addFlash(Display::return_message(get_lang('Added')));
+
+    header('Location: '.SkillRelUserManager::getIssueUrl($skillIssue));
+    exit;
+}
+
+$badgeInfoError = '';
+$personalBadge = '';
+if ($allowExport) {
+    $backpack = 'https://backpack.openbadges.org/';
+    $configBackpack = api_get_setting('openbadges_backpack');
+
+    if (0 !== strcmp($backpack, $configBackpack)) {
+        $backpack = $configBackpack;
+        if (substr($backpack, -1) !== '/') {
+            $backpack .= '/';
+        }
+    }
+
+    $htmlHeadXtra[] = '<script src="'.$backpack.'issuer.js"></script>';
+    $objSkill = new Skill();
+    $assertionUrl = $skillIssueInfo['badge_assertion'];
+    $skills = $objSkill->get($skillId);
+    $unbakedBadge = api_get_path(SYS_UPLOAD_PATH).'badges/'.$skills['icon'];
+    if (!is_file($unbakedBadge)) {
+        $unbakedBadge = api_get_path(SYS_CODE_PATH).'img/icons/128/badges-default.png';
+    }
+
+    $unbakedBadge = file_get_contents($unbakedBadge);
+    $badgeInfoError = false;
+    $personalBadge = '';
+    $png = new PNGImageBaker($unbakedBadge);
+
+    if ($png->checkChunks("tEXt", "openbadges")) {
+        $bakedInfo = $png->addChunk("tEXt", "openbadges", $assertionUrl);
+        $bakedBadge = UserManager::getUserPathById($userId, "system");
+        $bakedBadge = $bakedBadge.'badges';
+        if (!file_exists($bakedBadge)) {
+            mkdir($bakedBadge, api_get_permissions_for_new_directories(), true);
+        }
+        $skillRelUserId = $skillIssueInfo['id'];
+        if (!file_exists($bakedBadge."/badge_".$skillRelUserId)) {
+            file_put_contents($bakedBadge."/badge_".$skillRelUserId.".png", $bakedInfo);
+        }
+
+        // Process to validate a baked badge
+        $badgeContent = file_get_contents($bakedBadge."/badge_".$skillRelUserId.".png");
+        $verifyBakedBadge = $png->extractBadgeInfo($badgeContent);
+        if (!is_array($verifyBakedBadge)) {
+            $badgeInfoError = true;
+        }
+
+        if (!$badgeInfoError) {
+            $personalBadge = UserManager::getUserPathById($userId, 'web');
+            $personalBadge = $personalBadge."badges/badge_".$skillRelUserId.".png";
+        }
+    }
+}
+
+$template = new Template(get_lang('IssuedBadgeInformation'));
+$template->assign('issue_info', $skillIssueInfo);
+$template->assign('allow_comment', $allowComment);
+$template->assign('allow_export', $allowExport);
+
+$commentForm = '';
+if ($allowComment && $allowToEdit) {
+    $commentForm = $form->returnForm();
+}
+$template->assign('comment_form', $commentForm);
+
+$levelForm = '';
+if ($showLevels && $allowToEdit) {
+    $levelForm = $formAcquiredLevel->returnForm();
+}
+$template->assign('acquired_level_form', $levelForm);
+$template->assign('badge_error', $badgeInfoError);
+$template->assign('personal_badge', $personalBadge);
+$template->assign('show_level', $showLevels);
+$content = $template->fetch($template->get_template('skill/issued.tpl'));
+$template->assign('header', get_lang('IssuedBadgeInformation'));
+$template->assign('content', $content);
+$template->display_one_col_template();

main/badge/issued_all.php

@@ -0,0 +1,296 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CoreBundle\Entity\SkillRelUser;
+use Chamilo\CoreBundle\Entity\SkillRelUserComment;
+use SkillRelUser as SkillRelUserManager;
+
+/**
+ * Show information about all issued badges with same skill by user.
+ *
+ * @author José Loguercio Silva <jose.loguercio@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$userId = isset($_GET['user']) ? (int) $_GET['user'] : 0;
+$skillId = isset($_GET['skill']) ? (int) $_GET['skill'] : 0;
+
+if (!$userId || !$skillId) {
+    api_not_allowed(true);
+}
+
+Skill::isAllowed($userId);
+
+$em = Database::getManager();
+$user = api_get_user_entity($userId);
+$skill = $em->find('ChamiloCoreBundle:Skill', $skillId);
+$currentUserId = api_get_user_id();
+
+if (!$user || !$skill) {
+    Display::addFlash(
+        Display::return_message(get_lang('NoResults'), 'error')
+    );
+
+    header('Location: '.api_get_path(WEB_PATH));
+    exit;
+}
+
+$skillRepo = $em->getRepository('ChamiloCoreBundle:Skill');
+$skillUserRepo = $em->getRepository('ChamiloCoreBundle:SkillRelUser');
+$skillLevelRepo = $em->getRepository('ChamiloSkillBundle:Level');
+
+$userSkills = $skillUserRepo->findBy([
+    'user' => $user,
+    'skill' => $skill,
+]);
+
+$userInfo = [
+    'id' => $user->getId(),
+    'complete_name' => UserManager::formatUserFullName($user),
+];
+
+$skillInfo = [
+    'id' => $skill->getId(),
+    'name' => $skill->getName(),
+    'short_code' => $skill->getShortCode(),
+    'description' => $skill->getDescription(),
+    'criteria' => $skill->getCriteria(),
+    'badge_image' => Skill::getWebIconPath($skill),
+    'courses' => [],
+];
+
+$allUserBadges = [];
+/** @var SkillRelUser $skillIssue */
+foreach ($userSkills as $index => $skillIssue) {
+    $currentUser = api_get_user_entity($currentUserId);
+    $allowDownloadExport = $currentUser ? $currentUser->getId() === $user->getId() : false;
+    $allowComment = $currentUser ? Skill::userCanAddFeedbackToUser($currentUser, $user) : false;
+    $skillIssueDate = api_get_local_time($skillIssue->getAcquiredSkillAt());
+    $currentSkillLevel = get_lang('NoLevelAcquiredYet');
+    if ($skillIssue->getAcquiredLevel()) {
+        $currentSkillLevel = $skillLevelRepo->find(['id' => $skillIssue->getAcquiredLevel()])->getName();
+    }
+    $argumentationAuthor = api_get_user_info($skillIssue->getArgumentationAuthorId());
+
+    $tempDate = DateTime::createFromFormat('Y-m-d H:i:s', $skillIssueDate);
+    $linkedinOrganizationId = api_get_configuration_value('linkedin_organization_id');
+    if (($linkedinOrganizationId === false)) {
+        $linkedinOrganizationId = null;
+    }
+
+    $skillIssueInfo = [
+        'id' => $skillIssue->getId(),
+        'datetime' => api_format_date($skillIssueDate, DATE_TIME_FORMAT_SHORT),
+        'year' => $tempDate->format('Y'),
+        'month' => $tempDate->format('m'),
+        'linkedin_organization_id' => $linkedinOrganizationId,
+        'acquired_level' => $currentSkillLevel,
+        'argumentation_author_id' => $skillIssue->getArgumentationAuthorId(),
+        'argumentation_author_name' => api_get_person_name(
+            $argumentationAuthor['firstname'],
+            $argumentationAuthor['lastname']
+        ),
+        'argumentation' => $skillIssue->getArgumentation(),
+        'source_name' => $skillIssue->getSourceName(),
+        'user_id' => $skillIssue->getUser()->getId(),
+        'user_complete_name' => UserManager::formatUserFullName($skillIssue->getUser()),
+        'skill_id' => $skillIssue->getSkill()->getId(),
+        'skill_badge_image' => Skill::getWebIconPath($skillIssue->getSkill()),
+        'skill_name' => $skillIssue->getSkill()->getName(),
+        'skill_short_code' => $skillIssue->getSkill()->getShortCode(),
+        'skill_description' => $skillIssue->getSkill()->getDescription(),
+        'skill_criteria' => $skillIssue->getSkill()->getCriteria(),
+        'badge_assertion' => SkillRelUserManager::getAssertionUrl($skillIssue),
+        'comments' => [],
+        'feedback_average' => $skillIssue->getAverage(),
+    ];
+
+    $skillIssueComments = $skillIssue->getComments(true);
+
+    $userId = $skillIssueInfo['user_id'];
+    $skillId = $skillIssueInfo['skill_id'];
+
+    foreach ($skillIssueComments as $comment) {
+        $commentDate = api_get_local_time($comment->getFeedbackDateTime());
+        $skillIssueInfo['comments'][] = [
+            'text' => $comment->getFeedbackText(),
+            'value' => $comment->getFeedbackValue(),
+            'giver_complete_name' => UserManager::formatUserFullName($comment->getFeedbackGiver()),
+            'datetime' => api_format_date($commentDate, DATE_TIME_FORMAT_SHORT),
+        ];
+    }
+
+    $acquiredLevel = [];
+    $profile = $skillRepo->find($skillId)->getProfile();
+
+    if (!$profile) {
+        $skillRelSkill = new SkillRelSkill();
+        $parents = $skillRelSkill->getSkillParents($skillId);
+
+        krsort($parents);
+
+        foreach ($parents as $parent) {
+            $skillParentId = $parent['skill_id'];
+            $profile = $skillRepo->find($skillParentId)->getProfile();
+
+            if ($profile) {
+                break;
+            }
+
+            if (!$profile && $parent['parent_id'] == 0) {
+                $profile = $skillLevelRepo->findAll();
+                $profile = !empty($profile) ? $profile[0] : [];
+            }
+        }
+    }
+
+    if ($profile) {
+        $profileId = $profile->getId();
+        $levels = $skillLevelRepo->findBy([
+            'profile' => $profileId,
+        ]);
+
+        foreach ($levels as $level) {
+            $profileLevels[$level->getPosition()][$level->getId()] = $level->getName();
+        }
+
+        ksort($profileLevels); // Sort the array by Position.
+
+        foreach ($profileLevels as $profileLevel) {
+            $profileId = key($profileLevel);
+            $acquiredLevel[$profileId] = $profileLevel[$profileId];
+        }
+    }
+
+    $formAcquiredLevel = new FormValidator(
+        'acquired_level'.$skillIssue->getId(),
+        'post',
+        SkillRelUserManager::getIssueUrlAll($skillIssue)
+    );
+    $formAcquiredLevel->addSelect('acquired_level', get_lang('AcquiredLevel'), $acquiredLevel);
+    $formAcquiredLevel->addHidden('user', $skillIssue->getUser()->getId());
+    $formAcquiredLevel->addHidden('issue', $skillIssue->getId());
+    $formAcquiredLevel->addButtonSend(get_lang('Save'));
+
+    if ($formAcquiredLevel->validate() && $allowComment) {
+        $values = $formAcquiredLevel->exportValues();
+
+        $level = $skillLevelRepo->find($values['acquired_level']);
+        $skillIssue->setAcquiredLevel($level);
+
+        $em->persist($skillIssue);
+        $em->flush();
+
+        header('Location: '.SkillRelUserManager::getIssueUrlAll($skillIssue));
+        exit;
+    }
+
+    $form = new FormValidator(
+        'comment'.$skillIssue->getId(),
+        'post',
+        SkillRelUserManager::getIssueUrlAll($skillIssue)
+    );
+    $form->addTextarea('comment', get_lang('NewComment'), ['rows' => 4]);
+    $form->applyFilter('comment', 'trim');
+    $form->addRule('comment', get_lang('ThisFieldIsRequired'), 'required');
+    $form->addSelect(
+        'value',
+        [get_lang('Value'), get_lang('RateTheSkillInPractice')],
+        ['-', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+    );
+    $form->addHidden('user', $skillIssue->getUser()->getId());
+    $form->addHidden('issue', $skillIssue->getId());
+    $form->addButtonSend(get_lang('Send'));
+
+    if ($form->validate() && $allowComment) {
+        $values = $form->exportValues();
+
+        $skillUserComment = new SkillRelUserComment();
+        $skillUserComment
+            ->setFeedbackDateTime(new DateTime())
+            ->setFeedbackGiver($currentUser)
+            ->setFeedbackText($values['comment'])
+            ->setFeedbackValue($values['value'] ? $values['value'] : null)
+            ->setSkillRelUser($skillIssue);
+
+        $em->persist($skillUserComment);
+        $em->flush();
+
+        header('Location: '.SkillRelUserManager::getIssueUrlAll($skillIssue));
+        exit;
+    }
+
+    $badgeInfoError = '';
+    $personalBadge = '';
+
+    if ($allowDownloadExport) {
+        $backpack = 'https://backpack.openbadges.org/';
+        $configBackpack = api_get_setting('openbadges_backpack');
+
+        if (0 !== strcmp($backpack, $configBackpack)) {
+            $backpack = $configBackpack;
+            if (substr($backpack, -1) !== '/') {
+                $backpack .= '/';
+            }
+        }
+
+        $htmlHeadXtra[] = '<script src="'.$backpack.'issuer.js"></script>';
+        $objSkill = new Skill();
+        $assertionUrl = $skillIssueInfo['badge_assertion'];
+        $skills = $objSkill->get($skillId);
+        $unbakedBadge = api_get_path(SYS_UPLOAD_PATH)."badges/".$skills['icon'];
+        if (!is_file($unbakedBadge)) {
+            $unbakedBadge = api_get_path(WEB_CODE_PATH).'img/icons/128/badges-default.png';
+        }
+
+        $unbakedBadge = file_get_contents($unbakedBadge);
+        $badgeInfoError = false;
+        $personalBadge = "";
+        $png = new PNGImageBaker($unbakedBadge);
+
+        if ($png->checkChunks("tEXt", "openbadges")) {
+            $bakedInfo = $png->addChunk("tEXt", "openbadges", $assertionUrl);
+            $bakedBadge = UserManager::getUserPathById($userId, "system");
+            $bakedBadge = $bakedBadge.'badges';
+            if (!file_exists($bakedBadge)) {
+                mkdir($bakedBadge, api_get_permissions_for_new_directories(), true);
+            }
+            $skillRelUserId = $skillIssueInfo['id'];
+            if (!file_exists($bakedBadge."/badge_".$skillRelUserId)) {
+                file_put_contents($bakedBadge."/badge_".$skillRelUserId.".png", $bakedInfo);
+            }
+
+            //Process to validate a baked badge
+            $badgeContent = file_get_contents($bakedBadge."/badge_".$skillRelUserId.".png");
+            $verifyBakedBadge = $png->extractBadgeInfo($badgeContent);
+            if (!is_array($verifyBakedBadge)) {
+                $badgeInfoError = true;
+            }
+
+            if (!$badgeInfoError) {
+                $personalBadge = UserManager::getUserPathById($userId, "web");
+                $personalBadge = $personalBadge."badges/badge_".$skillRelUserId.".png";
+            }
+        }
+    }
+
+    $allUserBadges[$index]['issue_info'] = $skillIssueInfo;
+    $allUserBadges[$index]['allow_comment'] = $allowComment;
+    $allUserBadges[$index]['allow_download_export'] = $allowDownloadExport;
+    $allUserBadges[$index]['comment_form'] = $form->returnForm();
+    $allUserBadges[$index]['acquired_level_form'] = $formAcquiredLevel->returnForm();
+    $allUserBadges[$index]['badge_error'] = $badgeInfoError;
+    $allUserBadges[$index]['personal_badge'] = $personalBadge;
+}
+
+$template = new Template(get_lang('IssuedBadgeInformation'));
+$template->assign('user_badges', $allUserBadges);
+$template->assign('show_level', api_get_configuration_value('hide_skill_levels') == false);
+
+$content = $template->fetch(
+    $template->get_template('skill/issued_all.tpl')
+);
+
+$template->assign('header', get_lang('IssuedBadgeInformation'));
+$template->assign('content', $content);
+$template->display_one_col_template();

main/badge/issuer.php

@@ -0,0 +1,18 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Show information about the OpenBadge issuer.
+ *
+ * @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+
+$json = [
+    'name' => api_get_setting('Institution'),
+    'url' => api_get_path(WEB_PATH),
+];
+
+header('Content-Type: application/json');
+
+echo json_encode($json);