Ims LTI add support for deep linking - refs BT#13469

plugin/ims_lti/Entity/ImsLtiTool.php

@@ -63,6 +63,20 @@ class ImsLtiTool
      * @ORM\Column(name="is_global", type="boolean")
      */
     private $isGlobal = false;
+    /**
+     * @var bool
+     *
+     * @ORM\Column(name="active_deep_linking", type="boolean", nullable=false, options={"default": false})
+     */
+    private $activeDeepLinking = false;
+
+    public function __construct()
+    {
+        $this->description = null;
+        $this->customParams = null;
+        $this->isGlobal = false;
+        $this->activeDeepLinking = false;
+    }
 
     /**
      * @return int
@@ -218,4 +232,24 @@ class ImsLtiTool
             'value' => $pairs[1]
         ];
     }
+
+    /**
+     * Set activeDeepLinking.
+     *
+     * @param bool $activeDeepLinking
+     */
+    public function setActiveDeepLinking($activeDeepLinking)
+    {
+        $this->activeDeepLinking = $activeDeepLinking;
+    }
+
+    /**
+     * Get activeDeepLinking.
+     *
+     * @return bool
+     */
+    public function isActiveDeepLinking()
+    {
+        return $this->activeDeepLinking;
+    }
 }

plugin/ims_lti/ImsLtiPlugin.php

@@ -260,7 +260,7 @@ class ImsLtiPlugin extends Plugin
         }
 
         if (!api_is_allowed_to_edit(false, true)) {
-            return 'Learner/Learner';
+            return 'Learner';
         }
 
         $roles = ['Instructor'];

plugin/ims_lti/form.php

@@ -9,7 +9,8 @@ use Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool;
 require_once __DIR__.'/../../main/inc/global.inc.php';
 require './OAuthSimple.php';
 
-api_protect_course_script();
+api_protect_course_script(false);
+api_block_anonymous_users(false);
 
 $em = Database::getManager();
 
@@ -33,11 +34,27 @@ $siteName = api_get_setting('siteName');
 $toolUserId = ImsLtiPlugin::generateToolUserId($user);
 
 $params = [];
-$params['lti_message_type'] = 'basic-lti-launch-request';
 $params['lti_version'] = 'LTI-1p0';
-$params['resource_link_id'] = $tool->getId();
-$params['resource_link_title'] = $tool->getName();
-$params['resource_link_description'] = $tool->getDescription();
+
+if ($tool->isActiveDeepLinking()) {
+    $params['lti_message_type'] = 'ContentItemSelectionRequest';
+    $params['content_item_return_url'] = api_get_path(WEB_PLUGIN_PATH).'ims_lti/item_return.php';
+    $params['accept_media_types'] = '*/*';
+    $params['accept_presentation_document_targets'] = 'iframe';
+    //$params['accept_unsigned'];
+    //$params['accept_multiple'];
+    //$params['accept_copy_advice'];
+    //$params['auto_create']';
+    $params['title'] = $tool->getName();
+    $params['text'] = $tool->getDescription();
+    $params['data'] = 'tool:'.$tool->getId();
+} else {
+    $params['lti_message_type'] = 'basic-lti-launch-request';
+    $params['resource_link_id'] = $tool->getId();
+    $params['resource_link_title'] = $tool->getName();
+    $params['resource_link_description'] = $tool->getDescription();
+}
+
 $params['user_id'] = ImsLtiPlugin::generateToolUserId($user->getId());
 $params['user_image'] = UserManager::getUserPicture($user->getId());
 $params['roles'] = ImsLtiPlugin::getUserRoles($user);

plugin/ims_lti/item_return.php

@@ -0,0 +1,62 @@
+<?php
+/* For license terms, see /license.txt */
+
+use Chamilo\CoreBundle\Entity\Session;
+use Chamilo\CoreBundle\Entity\Course;
+use Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool;
+
+require_once __DIR__.'/../../main/inc/global.inc.php';
+
+api_protect_course_script(false);
+api_block_anonymous_users(false);
+
+if (empty($_POST['content_items']) || empty($_POST['data'])) {
+    api_not_allowed(false);
+}
+
+$toolId = str_replace('tool:', '', $_POST['data']);
+
+$plugin = ImsLtiPlugin::create();
+$em = Database::getManager();
+/** @var Course $course */
+$course = $em->find('ChamiloCoreBundle:Course', api_get_course_int_id());
+/** @var Session|null $session */
+$session = $em->find('ChamiloCoreBundle:Session', api_get_session_id());
+/** @var ImsLtiTool|null $ltiTool */
+$ltiTool = $em->find('ChamiloPluginBundle:ImsLti\ImsLtiTool', $toolId);
+
+if (!$ltiTool) {
+    api_not_allowed(false);
+}
+
+$contentItems = json_decode($_POST['content_items'], true);
+$contentItems = $contentItems['@graph'];
+
+foreach ($contentItems as $contentItem) {
+    /** @var ImsLtiTool $newTool */
+    $newTool = clone $ltiTool;
+
+    switch ($contentItem['@type']) {
+        case 'LtiLinkItem':
+            $newTool
+                ->setName(
+                    !empty($contentItem['title']) ? $contentItem['title'] : $ltiTool->getName()
+                )
+                ->setDescription(
+                    !empty($contentItem['text']) ? $contentItem['text'] : null
+                )
+                ->setLaunchUrl(
+                    !empty($contentItem['url']) ? $contentItem['url'] : $ltiTool->getLaunchUrl()
+                )
+                ->setIsGlobal(false)
+                ->setActiveDeepLinking(false);
+
+            $em->persist($newTool);
+            $em->flush();
+
+            $plugin->addCourseTool($course, $newTool);
+
+            echo Display::return_message($plugin->get_lang('ToolAdded'), 'success');
+            break;
+    }
+}

plugin/ims_lti/view/add.tpl

@@ -5,7 +5,11 @@
             <ul class="nav nav-pills nav-stacked">
                 {% for tool in tools %}
                     <li class="{{ type == tool.id ? 'active' : '' }}">
-                        <a href="{{ _p.web_self }}?type={{ tool.id }}&{{ _p.web_cid_query }}">{{ tool.name }}</a>
+                        {% if tool.isActiveDeepLinking %}
+                            <a href="{{ _p.web_plugin }}ims_lti/start.php?id={{ tool.id }}&{{ _p.web_cid_query }}">{{ tool.name }}</a>
+                        {% else %}
+                            <a href="{{ _p.web_self }}?type={{ tool.id }}&{{ _p.web_cid_query }}">{{ tool.name }}</a>
+                        {% endif %}
                     </li>
                 {% endfor %}
             </ul>