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efrain |
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<?php
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namespace Packback\Lti1p3;
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class LtiCourseGroupsService extends LtiAbstractService
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{
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public const CONTENTTYPE_CONTEXTGROUPCONTAINER = 'application/vnd.ims.lti-gs.v1.contextgroupcontainer+json';
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public function getScope(): array
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{
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return $this->getServiceData()['scope'];
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}
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public function getGroups(): array
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{
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$request = new ServiceRequest(
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ServiceRequest::METHOD_GET,
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$this->getServiceData()['context_groups_url'],
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ServiceRequest::TYPE_GET_GROUPS
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);
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$request->setAccept(static::CONTENTTYPE_CONTEXTGROUPCONTAINER);
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return $this->getAll($request, 'groups');
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}
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public function getSets(): array
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{
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// Sets are optional.
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if (!isset($this->getServiceData()['context_group_sets_url'])) {
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return [];
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}
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$request = new ServiceRequest(
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ServiceRequest::METHOD_GET,
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$this->getServiceData()['context_group_sets_url'],
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ServiceRequest::TYPE_GET_SETS
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);
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$request->setAccept(static::CONTENTTYPE_CONTEXTGROUPCONTAINER);
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return $this->getAll($request, 'sets');
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}
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public function getGroupsBySet(): array
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{
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$groups = $this->getGroups();
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$sets = $this->getSets();
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$groupsBySet = [];
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$unsetted = [];
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foreach ($sets as $key => $set) {
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$groupsBySet[$set['id']] = $set;
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$groupsBySet[$set['id']]['groups'] = [];
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}
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foreach ($groups as $key => $group) {
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if (isset($group['set_id']) && isset($groupsBySet[$group['set_id']])) {
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$groupsBySet[$group['set_id']]['groups'][$group['id']] = $group;
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} else {
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$unsetted[$group['id']] = $group;
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}
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}
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if (!empty($unsetted)) {
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$groupsBySet['none'] = [
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'name' => 'None',
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'id' => 'none',
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'groups' => $unsetted,
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];
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}
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return $groupsBySet;
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}
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}
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