upgrade

plugin/ims_lti/Entity/ImsLtiTool.php

@@ -0,0 +1,930 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\PluginBundle\Entity\ImsLti;
+
+use Chamilo\CoreBundle\Entity\Course;
+use Chamilo\CoreBundle\Entity\GradebookEvaluation;
+use Chamilo\CoreBundle\Entity\Session;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Criteria;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Class ImsLtiTool.
+ *
+ * @ORM\Table(name="plugin_ims_lti_tool")
+ * @ORM\Entity()
+ */
+class ImsLtiTool
+{
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="public_key", type="text", nullable=true)
+     */
+    public $publicKey;
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     */
+    protected $id;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="name", type="string")
+     */
+    private $name = '';
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="description", type="text", nullable=true)
+     */
+    private $description = null;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="launch_url", type="string")
+     */
+    private $launchUrl = '';
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="consumer_key", type="string", nullable=true)
+     */
+    private $consumerKey = '';
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="shared_secret", type="string", nullable=true)
+     */
+    private $sharedSecret = '';
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="custom_params", type="text", nullable=true)
+     */
+    private $customParams = null;
+    /**
+     * @var bool
+     *
+     * @ORM\Column(name="active_deep_linking", type="boolean", nullable=false, options={"default": false})
+     */
+    private $activeDeepLinking = false;
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="privacy", type="text", nullable=true, options={"default": null})
+     */
+    private $privacy = null;
+    /**
+     * @var Course|null
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\CoreBundle\Entity\Course")
+     * @ORM\JoinColumn(name="c_id", referencedColumnName="id")
+     */
+    private $course = null;
+    /**
+     * @var Session|null
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\CoreBundle\Entity\Session")
+     * @ORM\JoinColumn(name="session_id", referencedColumnName="id")
+     */
+    private $session = null;
+    /**
+     * @var GradebookEvaluation|null
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\CoreBundle\Entity\GradebookEvaluation")
+     * @ORM\JoinColumn(name="gradebook_eval_id", referencedColumnName="id", onDelete="SET NULL")
+     */
+    private $gradebookEval = null;
+    /**
+     * @var ImsLtiTool|null
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool", inversedBy="children")
+     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="CASCADE")
+     */
+    private $parent;
+    /**
+     * @var ArrayCollection
+     *
+     * @ORM\OneToMany(targetEntity="Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool", mappedBy="parent")
+     */
+    private $children;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="client_id", type="string", nullable=true)
+     */
+    private $clientId;
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="login_url", type="string", nullable=true)
+     */
+    private $loginUrl;
+
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="redirect_url", type="string", nullable=true)
+     */
+    private $redirectUrl;
+
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="jwks_url", type="string", nullable=true)
+     */
+    private $jwksUrl;
+
+    /**
+     * @var array
+     *
+     * @ORM\Column(name="advantage_services", type="json", nullable=true)
+     */
+    private $advantageServices;
+
+    /**
+     * @var ArrayCollection
+     *
+     * @ORM\OneToMany(targetEntity="Chamilo\PluginBundle\Entity\ImsLti\LineItem", mappedBy="tool")
+     */
+    private $lineItems;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="version", type="string", options={"default": "lti1p1"})
+     */
+    private $version;
+    /**
+     * @var array
+     *
+     * @ORM\Column(name="launch_presentation", type="json")
+     */
+    private $launchPresentation;
+
+    /**
+     * @var array
+     *
+     * @ORM\Column(name="replacement_params", type="json")
+     */
+    private $replacementParams;
+
+    /**
+     * ImsLtiTool constructor.
+     */
+    public function __construct()
+    {
+        $this->description = null;
+        $this->customParams = null;
+        $this->activeDeepLinking = false;
+        $this->course = null;
+        $this->gradebookEval = null;
+        $this->privacy = null;
+        $this->children = new ArrayCollection();
+        $this->consumerKey = null;
+        $this->sharedSecret = null;
+        $this->lineItems = new ArrayCollection();
+        $this->version = \ImsLti::V_1P3;
+        $this->launchPresentation = [
+            'document_target' => 'iframe',
+        ];
+        $this->replacementParams = [];
+    }
+
+    /**
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return ImsLtiTool
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getDescription()
+    {
+        return $this->description;
+    }
+
+    /**
+     * @param string|null $description
+     *
+     * @return ImsLtiTool
+     */
+    public function setDescription($description)
+    {
+        $this->description = $description;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getLaunchUrl()
+    {
+        return $this->launchUrl;
+    }
+
+    /**
+     * @param string $launchUrl
+     *
+     * @return ImsLtiTool
+     */
+    public function setLaunchUrl($launchUrl)
+    {
+        $this->launchUrl = $launchUrl;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getCustomParams()
+    {
+        return $this->customParams;
+    }
+
+    /**
+     * @param string|null $customParams
+     *
+     * @return ImsLtiTool
+     */
+    public function setCustomParams($customParams)
+    {
+        $this->customParams = $customParams;
+
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isGlobal()
+    {
+        return $this->course === null;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function encodeCustomParams(array $params)
+    {
+        if (empty($params)) {
+            return null;
+        }
+
+        $pairs = [];
+
+        foreach ($params as $key => $value) {
+            $pairs[] = "$key=$value";
+        }
+
+        return implode("\n", $pairs);
+    }
+
+    /**
+     * @return array
+     */
+    public function getCustomParamsAsArray()
+    {
+        $params = [];
+        $lines = explode("\n", $this->customParams);
+        $lines = array_filter($lines);
+
+        foreach ($lines as $line) {
+            list($key, $value) = explode('=', $line, 2);
+
+            $key = self::filterSpecialChars($key);
+            $value = self::filterSpaces($value);
+
+            $params[$key] = $value;
+        }
+
+        return $params;
+    }
+
+    /**
+     * @return array
+     */
+    public function parseCustomParams()
+    {
+        if (empty($this->customParams)) {
+            return [];
+        }
+
+        $params = [];
+        $strings = explode("\n", $this->customParams);
+
+        foreach ($strings as $string) {
+            if (empty($string)) {
+                continue;
+            }
+
+            $pairs = explode('=', $string, 2);
+            $key = self::filterSpecialChars($pairs[0]);
+            $value = $pairs[1];
+
+            $params['custom_'.$key] = $value;
+        }
+
+        return $params;
+    }
+
+    /**
+     * Get activeDeepLinking.
+     *
+     * @return bool
+     */
+    public function isActiveDeepLinking()
+    {
+        return $this->activeDeepLinking;
+    }
+
+    /**
+     * Set activeDeepLinking.
+     *
+     * @param bool $activeDeepLinking
+     *
+     * @return ImsLtiTool
+     */
+    public function setActiveDeepLinking($activeDeepLinking)
+    {
+        $this->activeDeepLinking = $activeDeepLinking;
+
+        return $this;
+    }
+
+    /**
+     * Get course.
+     *
+     * @return Course|null
+     */
+    public function getCourse()
+    {
+        return $this->course;
+    }
+
+    /**
+     * Set course.
+     *
+     * @return ImsLtiTool
+     */
+    public function setCourse(Course $course = null)
+    {
+        $this->course = $course;
+
+        return $this;
+    }
+
+    /**
+     * Get session.
+     *
+     * @return Session|null
+     */
+    public function getSession()
+    {
+        return $this->session;
+    }
+
+    /**
+     * Set session.
+     *
+     * @param Session|null $course
+     *
+     * @return ImsLtiTool
+     */
+    public function setSession(Session $session = null)
+    {
+        $this->session = $session;
+
+        return $this;
+    }
+
+    /**
+     * Get gradebookEval.
+     *
+     * @return GradebookEvaluation|null
+     */
+    public function getGradebookEval()
+    {
+        return $this->gradebookEval;
+    }
+
+    /**
+     * Set gradebookEval.
+     *
+     * @param GradebookEvaluation|null $gradebookEval
+     *
+     * @return ImsLtiTool
+     */
+    public function setGradebookEval($gradebookEval)
+    {
+        $this->gradebookEval = $gradebookEval;
+
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSharingName()
+    {
+        $unserialize = $this->unserializePrivacy();
+
+        return (bool) $unserialize['share_name'];
+    }
+
+    /**
+     * @return mixed
+     */
+    public function unserializePrivacy()
+    {
+        return \UnserializeApi::unserialize('not_allowed_classes', $this->privacy);
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSharingEmail()
+    {
+        $unserialize = $this->unserializePrivacy();
+
+        return (bool) $unserialize['share_email'];
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSharingPicture()
+    {
+        $unserialize = $this->unserializePrivacy();
+
+        return (bool) $unserialize['share_picture'];
+    }
+
+    /**
+     * @return ImsLtiTool|null
+     */
+    public function getParent()
+    {
+        return $this->parent;
+    }
+
+    /**
+     * @return ImsLtiTool
+     */
+    public function setParent(ImsLtiTool $parent)
+    {
+        $this->parent = $parent;
+
+        $this->sharedSecret = $parent->getSharedSecret();
+        $this->consumerKey = $parent->getConsumerKey();
+        $this->privacy = $parent->getPrivacy();
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSharedSecret()
+    {
+        return $this->sharedSecret;
+    }
+
+    /**
+     * @param string $sharedSecret
+     *
+     * @return ImsLtiTool
+     */
+    public function setSharedSecret($sharedSecret)
+    {
+        $this->sharedSecret = $sharedSecret;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getConsumerKey()
+    {
+        return $this->consumerKey;
+    }
+
+    /**
+     * @param string $consumerKey
+     *
+     * @return ImsLtiTool
+     */
+    public function setConsumerKey($consumerKey)
+    {
+        $this->consumerKey = $consumerKey;
+
+        return $this;
+    }
+
+    /**
+     * Get privacy.
+     *
+     * @return string|null
+     */
+    public function getPrivacy()
+    {
+        return $this->privacy;
+    }
+
+    /**
+     * Set privacy.
+     *
+     * @param bool $shareName
+     * @param bool $shareEmail
+     * @param bool $sharePicture
+     *
+     * @return ImsLtiTool
+     */
+    public function setPrivacy($shareName = false, $shareEmail = false, $sharePicture = false)
+    {
+        $this->privacy = serialize(
+            [
+                'share_name' => $shareName,
+                'share_email' => $shareEmail,
+                'share_picture' => $sharePicture,
+            ]
+        );
+
+        return $this;
+    }
+
+    /**
+     * Get loginUrl.
+     *
+     * @return string|null
+     */
+    public function getLoginUrl()
+    {
+        return $this->loginUrl;
+    }
+
+    /**
+     * Set loginUrl.
+     *
+     * @param string|null $loginUrl
+     *
+     * @return ImsLtiTool
+     */
+    public function setLoginUrl($loginUrl)
+    {
+        $this->loginUrl = $loginUrl;
+
+        return $this;
+    }
+
+    /**
+     * Get redirectUlr.
+     *
+     * @return string|null
+     */
+    public function getRedirectUrl()
+    {
+        return $this->redirectUrl;
+    }
+
+    /**
+     * Set redirectUrl.
+     *
+     * @param string|null $redirectUrl
+     *
+     * @return ImsLtiTool
+     */
+    public function setRedirectUrl($redirectUrl)
+    {
+        $this->redirectUrl = $redirectUrl;
+
+        return $this;
+    }
+
+    /**
+     * Get jwksUrl.
+     *
+     * @return string|null
+     */
+    public function getJwksUrl()
+    {
+        return $this->jwksUrl;
+    }
+
+    /**
+     * Set jwksUrl.
+     *
+     * @param string|null $jwksUrl
+     *
+     * @return ImsLtiTool
+     */
+    public function setJwksUrl($jwksUrl)
+    {
+        $this->jwksUrl = $jwksUrl;
+
+        return $this;
+    }
+
+    /**
+     * Get clientId.
+     *
+     * @return string
+     */
+    public function getClientId()
+    {
+        return $this->clientId;
+    }
+
+    /**
+     * Set clientId.
+     *
+     * @param string $clientId
+     *
+     * @return ImsLtiTool
+     */
+    public function setClientId($clientId)
+    {
+        $this->clientId = $clientId;
+
+        return $this;
+    }
+
+    /**
+     * Get advantageServices.
+     *
+     * @return array
+     */
+    public function getAdvantageServices()
+    {
+        if (empty($this->advantageServices)) {
+            $this->advantageServices = [];
+        }
+
+        return array_merge(
+            [
+                'ags' => \LtiAssignmentGradesService::AGS_NONE,
+                'nrps' => \LtiNamesRoleProvisioningService::NRPS_NONE,
+            ],
+            $this->advantageServices
+        );
+    }
+
+    /**
+     * Set advantageServices.
+     *
+     * @param array $advantageServices
+     *
+     * @return ImsLtiTool
+     */
+    public function setAdvantageServices($advantageServices)
+    {
+        $this->advantageServices = $advantageServices;
+
+        return $this;
+    }
+
+    /**
+     * Add LineItem to lineItems.
+     *
+     * @return $this
+     */
+    public function addLineItem(LineItem $lineItem)
+    {
+        $lineItem->setTool($this);
+
+        $this->lineItems[] = $lineItem;
+
+        return $this;
+    }
+
+    /**
+     * @param int    $resourceLinkId
+     * @param int    $resourceId
+     * @param string $tag
+     * @param int    $limit
+     * @param int    $page
+     *
+     * @return ArrayCollection
+     */
+    public function getLineItems($resourceLinkId = 0, $resourceId = 0, $tag = '', $limit = 0, $page = 1)
+    {
+        $criteria = Criteria::create();
+
+        if ($resourceLinkId) {
+            $criteria->andWhere(Criteria::expr()->eq('tool', $resourceId));
+        }
+
+        if ($resourceId) {
+            $criteria->andWhere(Criteria::expr()->eq('tool', $resourceId));
+        }
+
+        if (!empty($tag)) {
+            $criteria->andWhere(Criteria::expr()->eq('tag', $tag));
+        }
+
+        $limit = (int) $limit;
+        $page = (int) $page;
+
+        if ($limit > 0) {
+            $criteria->setMaxResults($limit);
+
+            if ($page > 0) {
+                $criteria->setFirstResult($page * $limit);
+            }
+        }
+
+        return $this->lineItems->matching($criteria);
+    }
+
+    /**
+     * Set lineItems.
+     *
+     * @return $this
+     */
+    public function setLineItems(ArrayCollection $lineItems)
+    {
+        $this->lineItems = $lineItems;
+
+        return $this;
+    }
+
+    /**
+     * Get version.
+     *
+     * @return string
+     */
+    public function getVersion()
+    {
+        return $this->version;
+    }
+
+    /**
+     * Set version.
+     *
+     * @param string $version
+     *
+     * @return ImsLtiTool
+     */
+    public function setVersion($version)
+    {
+        $this->version = $version;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getVersionName()
+    {
+        if (\ImsLti::V_1P1 === $this->version) {
+            return 'LTI 1.0 / 1.1';
+        }
+
+        return 'LTI 1.3';
+    }
+
+    /**
+     * @return ArrayCollection
+     */
+    public function getChildren()
+    {
+        return $this->children;
+    }
+
+    /**
+     * @param string $target
+     *
+     * @return $this
+     */
+    public function setDocumenTarget($target)
+    {
+        $this->launchPresentation['document_target'] = in_array($target, ['iframe', 'window']) ? $target : 'iframe';
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDocumentTarget()
+    {
+        return $this->launchPresentation['document_target'] ?: 'iframe';
+    }
+
+    /**
+     * @return array
+     */
+    public function getLaunchPresentation()
+    {
+        return $this->launchPresentation;
+    }
+
+    /**
+     * @param string $replacement
+     *
+     * @return ImsLtiTool
+     */
+    public function setReplacementForUserId($replacement)
+    {
+        $this->replacementParams['user_id'] = $replacement;
+
+        return $this;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getReplacementForUserId()
+    {
+        if (!empty($this->replacementParams['user_id'])) {
+            return $this->replacementParams['user_id'];
+        }
+
+        return null;
+    }
+
+    /**
+     * @return ArrayCollection
+     */
+    public function getChildrenInCourses(array $coursesId)
+    {
+        return $this->children->filter(
+            function (ImsLtiTool $child) use ($coursesId) {
+                return in_array($child->getCourse()->getId(), $coursesId);
+            }
+        );
+    }
+
+    /**
+     * Map the key from custom param.
+     *
+     * @param string $key
+     *
+     * @return string
+     */
+    private static function filterSpecialChars($key)
+    {
+        $newKey = '';
+        $key = strtolower($key);
+        $split = str_split($key);
+
+        foreach ($split as $char) {
+            if (
+                ($char >= 'a' && $char <= 'z') || ($char >= '0' && $char <= '9')
+            ) {
+                $newKey .= $char;
+
+                continue;
+            }
+
+            $newKey .= '_';
+        }
+
+        return $newKey;
+    }
+
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    private static function filterSpaces($value)
+    {
+        $newValue = preg_replace('/\s+/', ' ', $value);
+
+        return trim($newValue);
+    }
+}

plugin/ims_lti/Entity/LineItem.php

@@ -0,0 +1,241 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\PluginBundle\Entity\ImsLti;
+
+use Chamilo\CoreBundle\Entity\GradebookEvaluation;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Class LineItem.
+ *
+ * @package Chamilo\PluginBundle\Entity\ImsLti
+ *
+ * @ORM\Table(name="plugin_ims_lti_lineitem")
+ * @ORM\Entity()
+ */
+class LineItem
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     */
+    protected $id;
+    /**
+     * @var ImsLtiTool
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool", inversedBy="lineItems")
+     * @ORM\JoinColumn(name="tool_id", referencedColumnName="id", nullable=false, onDelete="CASCADE")
+     */
+    private $tool;
+    /**
+     * @var GradebookEvaluation
+     *
+     * @ORM\OneToOne(targetEntity="Chamilo\CoreBundle\Entity\GradebookEvaluation")
+     * @ORM\JoinColumn(name="evaluation", referencedColumnName="id", nullable=false, onDelete="CASCADE")
+     */
+    private $evaluation;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="resource_id", type="string", nullable=true)
+     */
+    private $resourceId;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="tag", type="string", nullable=true)
+     */
+    private $tag;
+    /**
+     * @var \DateTime
+     *
+     * @ORM\Column(name="start_date", type="datetime", nullable=true)
+     */
+    private $startDate;
+    /**
+     * @var \DateTime
+     *
+     * @ORM\Column(name="end_date", type="datetime", nullable=true)
+     */
+    private $endDate;
+
+    /**
+     * Get id.
+     *
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Get tool.
+     *
+     * @return ImsLtiTool
+     */
+    public function getTool()
+    {
+        return $this->tool;
+    }
+
+    /**
+     * Set tool.
+     *
+     * @param ImsLtiTool $tool
+     *
+     * @return LineItem
+     */
+    public function setTool($tool)
+    {
+        $this->tool = $tool;
+
+        return $this;
+    }
+
+    /**
+     * Get evaluation.
+     *
+     * @return GradebookEvaluation
+     */
+    public function getEvaluation()
+    {
+        return $this->evaluation;
+    }
+
+    /**
+     * Set evaluation.
+     *
+     * @param GradebookEvaluation $evaluation
+     *
+     * @return LineItem
+     */
+    public function setEvaluation($evaluation)
+    {
+        $this->evaluation = $evaluation;
+
+        return $this;
+    }
+
+    /**
+     * Get tag.
+     *
+     * @return string
+     */
+    public function getTag()
+    {
+        return $this->tag;
+    }
+
+    /**
+     * Set tag.
+     *
+     * @param string $tag
+     *
+     * @return LineItem
+     */
+    public function setTag($tag)
+    {
+        $this->tag = $tag;
+
+        return $this;
+    }
+
+    /**
+     * Get startDate.
+     *
+     * @return \DateTime
+     */
+    public function getStartDate()
+    {
+        return $this->startDate;
+    }
+
+    /**
+     * Set startDate.
+     *
+     * @param \DateTime $startDate
+     *
+     * @return LineItem
+     */
+    public function setStartDate($startDate)
+    {
+        $this->startDate = $startDate;
+
+        return $this;
+    }
+
+    /**
+     * Get endDate.
+     *
+     * @return \DateTime
+     */
+    public function getEndDate()
+    {
+        return $this->endDate;
+    }
+
+    /**
+     * Set endDate.
+     *
+     * @param \DateTime $endDate
+     *
+     * @return LineItem
+     */
+    public function setEndDate($endDate)
+    {
+        $this->endDate = $endDate;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getResourceId()
+    {
+        return $this->resourceId;
+    }
+
+    /**
+     * @param string $resourceId
+     *
+     * @return LineItem
+     */
+    public function setResourceId($resourceId)
+    {
+        $this->resourceId = $resourceId;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray()
+    {
+        $baseTool = $this->tool->getParent() ?: $this->tool;
+
+        $data = [
+            'scoreMaximum' => $this->evaluation->getMax(),
+            'label' => $this->evaluation->getName(),
+            'tag' => (string) $this->tag,
+            'resourceLinkId' => (string) $baseTool->getId(),
+            'resourceId' => (string) $this->resourceId,
+        ];
+
+        if ($this->startDate) {
+            $data['startDateTime'] = $this->startDate->format(\DateTime::ATOM);
+        }
+
+        if ($this->endDate) {
+            $data['endDateTime'] = $this->endDate->format(\DateTime::ATOM);
+        }
+
+        return $data;
+    }
+}

plugin/ims_lti/Entity/Platform.php

@@ -0,0 +1,112 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\PluginBundle\Entity\ImsLti;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Class Platform.
+ *
+ * @package Chamilo\PluginBundle\Entity\ImsLti
+ *
+ * @ORM\Table(name="plugin_ims_lti_platform")
+ * @ORM\Entity()
+ */
+class Platform
+{
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="public_key", type="text")
+     */
+    public $publicKey;
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id()
+     * @ORM\GeneratedValue()
+     */
+    protected $id;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="kid", type="string")
+     */
+    private $kid;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="private_key", type="text")
+     */
+    private $privateKey;
+
+    /**
+     * Get id.
+     *
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set id.
+     *
+     * @param int $id
+     *
+     * @return Platform
+     */
+    public function setId($id)
+    {
+        $this->id = $id;
+
+        return $this;
+    }
+
+    /**
+     * Get kid.
+     *
+     * @return string
+     */
+    public function getKid()
+    {
+        return $this->kid;
+    }
+
+    /**
+     * Set kid.
+     *
+     * @param string $kid
+     */
+    public function setKid($kid)
+    {
+        $this->kid = $kid;
+    }
+
+    /**
+     * Get privateKey.
+     *
+     * @return string
+     */
+    public function getPrivateKey()
+    {
+        return $this->privateKey;
+    }
+
+    /**
+     * Set privateKey.
+     *
+     * @param string $privateKey
+     *
+     * @return Platform
+     */
+    public function setPrivateKey($privateKey)
+    {
+        $this->privateKey = $privateKey;
+
+        return $this;
+    }
+}

plugin/ims_lti/Entity/Token.php

@@ -0,0 +1,187 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\PluginBundle\Entity\ImsLti;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Class Token.
+ *
+ * @package Chamilo\PluginBundle\Entity\ImsLti
+ *
+ * @ORM\Table(name="plugin_ims_lti_token")
+ * @ORM\Entity()
+ */
+class Token
+{
+    const TOKEN_LIFETIME = 3600;
+
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id()
+     * @ORM\GeneratedValue()
+     */
+    protected $id;
+    /**
+     * @var ImsLtiTool
+     *
+     * @ORM\ManyToOne(targetEntity="Chamilo\PluginBundle\Entity\ImsLti\ImsLtiTool")
+     * @ORM\JoinColumn(name="tool_id", referencedColumnName="id", onDelete="CASCADE")
+     */
+    private $tool;
+    /**
+     * @var array
+     *
+     * @ORM\Column(name="scope", type="json")
+     */
+    private $scope;
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="hash", type="string")
+     */
+    private $hash;
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="created_at", type="integer")
+     */
+    private $createdAt;
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="expires_at", type="integer")
+     */
+    private $expiresAt;
+
+    /**
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return ImsLtiTool
+     */
+    public function getTool()
+    {
+        return $this->tool;
+    }
+
+    /**
+     * @param ImsLtiTool $tool
+     *
+     * @return Token
+     */
+    public function setTool($tool)
+    {
+        $this->tool = $tool;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getScope()
+    {
+        return $this->scope;
+    }
+
+    /**
+     * @param array $scope
+     *
+     * @return Token
+     */
+    public function setScope($scope)
+    {
+        $this->scope = $scope;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHash()
+    {
+        return $this->hash;
+    }
+
+    /**
+     * @param string $hash
+     *
+     * @return Token
+     */
+    public function setHash($hash)
+    {
+        $this->hash = $hash;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getCreatedAt()
+    {
+        return $this->createdAt;
+    }
+
+    /**
+     * @param int $createdAt
+     *
+     * @return Token
+     */
+    public function setCreatedAt($createdAt)
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getExpiresAt()
+    {
+        return $this->expiresAt;
+    }
+
+    /**
+     * @param int $expiresAt
+     *
+     * @return Token
+     */
+    public function setExpiresAt($expiresAt)
+    {
+        $this->expiresAt = $expiresAt;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getScopeInString()
+    {
+        return implode(' ', $this->scope);
+    }
+
+    /**
+     * Generate unique hash.
+     *
+     * @return Token
+     */
+    public function generateHash()
+    {
+        $this->hash = sha1(uniqid(mt_rand()));
+
+        return $this;
+    }
+}